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diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h new file mode 100644 index 000000000..5fbcb10d5 --- /dev/null +++ b/MdePkg/Include/Library/BaseLib.h @@ -0,0 +1,7138 @@ +/** @file + Memory-only library functions with no library constructor/destructor + + Copyright (c) 2006 - 2007, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: BaseLib.h + +**/ + +#ifndef __BASE_LIB__ +#define __BASE_LIB__ + +// +// Definitions for architecture specific types +// These include SPIN_LOCK and BASE_LIBRARY_JUMP_BUFFER +// + +// +// SPIN_LOCK +// +typedef volatile UINTN SPIN_LOCK; + +#if defined (MDE_CPU_IA32) +// +// IA32 context buffer used by SetJump() and LongJump() +// +typedef struct { + UINT32 Ebx; + UINT32 Esi; + UINT32 Edi; + UINT32 Ebp; + UINT32 Esp; + UINT32 Eip; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#elif defined (MDE_CPU_IPF) +// +// IPF context buffer used by SetJump() and LongJump() +// +typedef struct { + UINT64 F2[2]; + UINT64 F3[2]; + UINT64 F4[2]; + UINT64 F5[2]; + UINT64 F16[2]; + UINT64 F17[2]; + UINT64 F18[2]; + UINT64 F19[2]; + UINT64 F20[2]; + UINT64 F21[2]; + UINT64 F22[2]; + UINT64 F23[2]; + UINT64 F24[2]; + UINT64 F25[2]; + UINT64 F26[2]; + UINT64 F27[2]; + UINT64 F28[2]; + UINT64 F29[2]; + UINT64 F30[2]; + UINT64 F31[2]; + UINT64 R4; + UINT64 R5; + UINT64 R6; + UINT64 R7; + UINT64 SP; + UINT64 BR0; + UINT64 BR1; + UINT64 BR2; + UINT64 BR3; + UINT64 BR4; + UINT64 BR5; + UINT64 InitialUNAT; + UINT64 AfterSpillUNAT; + UINT64 PFS; + UINT64 BSP; + UINT64 Predicates; + UINT64 LoopCount; + UINT64 FPSR; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 0x10 + +#elif defined (MDE_CPU_X64) +// +// X64 context buffer used by SetJump() and LongJump() +// +typedef struct { + UINT64 Rbx; + UINT64 Rsp; + UINT64 Rbp; + UINT64 Rdi; + UINT64 Rsi; + UINT64 R12; + UINT64 R13; + UINT64 R14; + UINT64 R15; + UINT64 Rip; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#elif defined (MDE_CPU_EBC) +// +// EBC context buffer used by SetJump() and LongJump() +// +typedef struct { + UINT64 R0; + UINT64 R1; + UINT64 R2; + UINT64 R3; + UINT64 IP; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#else +#error Unknown Processor Type +#endif + +// +// String Services +// + +/** + Copies one Null-terminated Unicode string to another Null-terminated Unicode + string and returns the new Unicode string. + + This function copies the contents of the Unicode string Source to the Unicode + string Destination, and returns Destination. If Source and Destination + overlap, then the results are undefined. + + If Destination is NULL, then ASSERT(). + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Destination Pointer to a Null-terminated Unicode string. + @param Source Pointer to a Null-terminated Unicode string. + + @return Destiantion + +**/ +CHAR16 * +EFIAPI +StrCpy ( + OUT CHAR16 *Destination, + IN CONST CHAR16 *Source + ); + + +/** + Copies one Null-terminated Unicode string with a maximum length to another + Null-terminated Unicode string with a maximum length and returns the new + Unicode string. + + This function copies the contents of the Unicode string Source to the Unicode + string Destination, and returns Destination. At most, Length Unicode + characters are copied from Source to Destination. If Length is 0, then + Destination is returned unmodified. If Length is greater that the number of + Unicode characters in Source, then Destination is padded with Null Unicode + characters. If Source and Destination overlap, then the results are + undefined. + + If Length > 0 and Destination is NULL, then ASSERT(). + If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If Length > 0 and Source is not aligned on a 16-bit bounadry, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Destination Pointer to a Null-terminated Unicode string. + @param Source Pointer to a Null-terminated Unicode string. + @param Length Maximum number of Unicode characters to copy. + + @return Destination + +**/ +CHAR16 * +EFIAPI +StrnCpy ( + OUT CHAR16 *Destination, + IN CONST CHAR16 *Source, + IN UINTN Length + ); + + +/** + Returns the length of a Null-terminated Unicode string. + + This function returns the number of Unicode characters in the Null-terminated + Unicode string specified by String. + + If String is NULL, then ASSERT(). + If String is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @return The length of String. + +**/ +UINTN +EFIAPI +StrLen ( + IN CONST CHAR16 *String + ); + + +/** + Returns the size of a Null-terminated Unicode string in bytes, including the + Null terminator. + + This function returns the size, in bytes, of the Null-terminated Unicode + string specified by String. + + If String is NULL, then ASSERT(). + If String is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @return The size of String. + +**/ +UINTN +EFIAPI +StrSize ( + IN CONST CHAR16 *String + ); + + +/** + Compares two Null-terminated Unicode strings, and returns the difference + between the first mismatched Unicode characters. + + This function compares the Null-terminated Unicode string FirstString to the + Null-terminated Unicode string SecondString. If FirstString is identical to + SecondString, then 0 is returned. Otherwise, the value returned is the first + mismatched Unicode character in SecondString subtracted from the first + mismatched Unicode character in FirstString. + + If FirstString is NULL, then ASSERT(). + If FirstString is not aligned on a 16-bit boundary, then ASSERT(). + If SecondString is NULL, then ASSERT(). + If SecondString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param FirstString Pointer to a Null-terminated Unicode string. + @param SecondString Pointer to a Null-terminated Unicode string. + + @retval 0 FirstString is identical to SecondString. + @retval !=0 FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +StrCmp ( + IN CONST CHAR16 *FirstString, + IN CONST CHAR16 *SecondString + ); + + +/** + Compares two Null-terminated Unicode strings with maximum lengths, and + returns the difference between the first mismatched Unicode characters. + + This function compares the Null-terminated Unicode string FirstString to the + Null-terminated Unicode string SecondString. At most, Length Unicode + characters will be compared. If Length is 0, then 0 is returned. If + FirstString is identical to SecondString, then 0 is returned. Otherwise, the + value returned is the first mismatched Unicode character in SecondString + subtracted from the first mismatched Unicode character in FirstString. + + If Length > 0 and FirstString is NULL, then ASSERT(). + If Length > 0 and FirstString is not aligned on a 16-bit bounadary, then ASSERT(). + If Length > 0 and SecondString is NULL, then ASSERT(). + If Length > 0 and SecondString is not aligned on a 16-bit bounadary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param FirstString Pointer to a Null-terminated Unicode string. + @param SecondString Pointer to a Null-terminated Unicode string. + @param Length Maximum number of Unicode characters to compare. + + @retval 0 FirstString is identical to SecondString. + @retval !=0 FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +StrnCmp ( + IN CONST CHAR16 *FirstString, + IN CONST CHAR16 *SecondString, + IN UINTN Length + ); + + +/** + Concatenates one Null-terminated Unicode string to another Null-terminated + Unicode string, and returns the concatenated Unicode string. + + This function concatenates two Null-terminated Unicode strings. The contents + of Null-terminated Unicode string Source are concatenated to the end of + Null-terminated Unicode string Destination. The Null-terminated concatenated + Unicode String is returned. If Source and Destination overlap, then the + results are undefined. + + If Destination is NULL, then ASSERT(). + If Destination is not aligned on a 16-bit bounadary, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source is not aligned on a 16-bit bounadary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Destination contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination + and Source results in a Unicode string with more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Destination Pointer to a Null-terminated Unicode string. + @param Source Pointer to a Null-terminated Unicode string. + + @return Destination + +**/ +CHAR16 * +EFIAPI +StrCat ( + IN OUT CHAR16 *Destination, + IN CONST CHAR16 *Source + ); + + +/** + Concatenates one Null-terminated Unicode string with a maximum length to the + end of another Null-terminated Unicode string, and returns the concatenated + Unicode string. + + This function concatenates two Null-terminated Unicode strings. The contents + of Null-terminated Unicode string Source are concatenated to the end of + Null-terminated Unicode string Destination, and Destination is returned. At + most, Length Unicode characters are concatenated from Source to the end of + Destination, and Destination is always Null-terminated. If Length is 0, then + Destination is returned unmodified. If Source and Destination overlap, then + the results are undefined. + + If Destination is NULL, then ASSERT(). + If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Destination contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination + and Source results in a Unicode string with more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Destination Pointer to a Null-terminated Unicode string. + @param Source Pointer to a Null-terminated Unicode string. + @param Length Maximum number of Unicode characters to concatenate from + Source. + + @return Destination + +**/ +CHAR16 * +EFIAPI +StrnCat ( + IN OUT CHAR16 *Destination, + IN CONST CHAR16 *Source, + IN UINTN Length + ); + +/** + Returns the first occurance of a Null-terminated Unicode sub-string + in a Null-terminated Unicode string. + + This function scans the contents of the Null-terminated Unicode string + specified by String and returns the first occurrence of SearchString. + If SearchString is not found in String, then NULL is returned. If + the length of SearchString is zero, then String is + returned. + + If String is NULL, then ASSERT(). + If String is not aligned on a 16-bit boundary, then ASSERT(). + If SearchString is NULL, then ASSERT(). + If SearchString is not aligned on a 16-bit boundary, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and SearchString + or String contains more than PcdMaximumUnicodeStringLength Unicode + characters not including the Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + @param SearchString Pointer to a Null-terminated Unicode string to search for. + + @retval NULL If the SearchString does not appear in String. + @retval !NULL If there is a match. + +**/ +CHAR16 * +EFIAPI +StrStr ( + IN CONST CHAR16 *String, + IN CONST CHAR16 *SearchString + ); + +/** + Convert a Null-terminated Unicode decimal string to a value of + type UINTN. + + This function returns a value of type UINTN by interpreting the contents + of the Unicode string specified by String as a decimal number. The format + of the input Unicode string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The + function will ignore the pad space, which includes spaces or + tab characters, before [decimal digits]. The running zero in the + beginning of [decimal digits] will be ignored. Then, the function + stops at the first character that is a not a valid decimal character + or a Null-terminator, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, + then 0 is returned. + If the number represented by String overflows according + to the range defined by UINTN, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and String contains + more than PcdMaximumUnicodeStringLength Unicode characters not including + the Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @retval UINTN + +**/ +UINTN +EFIAPI +StrDecimalToUintn ( + IN CONST CHAR16 *String + ); + +/** + Convert a Null-terminated Unicode decimal string to a value of + type UINT64. + + This function returns a value of type UINT64 by interpreting the contents + of the Unicode string specified by String as a decimal number. The format + of the input Unicode string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The + function will ignore the pad space, which includes spaces or + tab characters, before [decimal digits]. The running zero in the + beginning of [decimal digits] will be ignored. Then, the function + stops at the first character that is a not a valid decimal character + or a Null-terminator, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, + then 0 is returned. + If the number represented by String overflows according + to the range defined by UINT64, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and String contains + more than PcdMaximumUnicodeStringLength Unicode characters not including + the Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @retval UINT64 + +**/ +UINT64 +EFIAPI +StrDecimalToUint64 ( + IN CONST CHAR16 *String + ); + + +/** + Convert a Null-terminated Unicode hexadecimal string to a value of type UINTN. + + This function returns a value of type UINTN by interpreting the contents + of the Unicode string specified by String as a hexadecimal number. + The format of the input Unicode string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. + If "x" appears in the input string, it must be prefixed with at least one 0. + The function will ignore the pad space, which includes spaces or tab characters, + before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or + [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the + first valid hexadecimal digit. Then, the function stops at the first character that is + a not a valid hexadecimal character or NULL, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then zero is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, + then zero is returned. + If the number represented by String overflows according to the range defined by + UINTN, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, + then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @retval UINTN + +**/ +UINTN +EFIAPI +StrHexToUintn ( + IN CONST CHAR16 *String + ); + + +/** + Convert a Null-terminated Unicode hexadecimal string to a value of type UINT64. + + This function returns a value of type UINT64 by interpreting the contents + of the Unicode string specified by String as a hexadecimal number. + The format of the input Unicode string String is + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. + If "x" appears in the input string, it must be prefixed with at least one 0. + The function will ignore the pad space, which includes spaces or tab characters, + before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or + [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the + first valid hexadecimal digit. Then, the function stops at the first character that is + a not a valid hexadecimal character or NULL, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then zero is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, + then zero is returned. + If the number represented by String overflows according to the range defined by + UINT64, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, + then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @retval UINT64 + +**/ +UINT64 +EFIAPI +StrHexToUint64 ( + IN CONST CHAR16 *String + ); + + +/** + Convert one Null-terminated Unicode string to a Null-terminated + ASCII string and returns the ASCII string. + + This function converts the content of the Unicode string Source + to the ASCII string Destination by copying the lower 8 bits of + each Unicode character. It returns Destination. + + If any Unicode characters in Source contain non-zero value in + the upper 8 bits, then ASSERT(). + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and Source contains + more than PcdMaximumUnicodeStringLength Unicode characters not including + the Null-terminator, then ASSERT(). + + If PcdMaximumAsciiStringLength is not zero, and Source contains more + than PcdMaximumAsciiStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Source Pointer to a Null-terminated Unicode string. + @param Destination Pointer to a Null-terminated ASCII string. + + @reture Destination + +**/ +CHAR8 * +EFIAPI +UnicodeStrToAsciiStr ( + IN CONST CHAR16 *Source, + OUT CHAR8 *Destination + ); + + +/** + Copies one Null-terminated ASCII string to another Null-terminated ASCII + string and returns the new ASCII string. + + This function copies the contents of the ASCII string Source to the ASCII + string Destination, and returns Destination. If Source and Destination + overlap, then the results are undefined. + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param Destination Pointer to a Null-terminated ASCII string. + @param Source Pointer to a Null-terminated ASCII string. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrCpy ( + OUT CHAR8 *Destination, + IN CONST CHAR8 *Source + ); + + +/** + Copies one Null-terminated ASCII string with a maximum length to another + Null-terminated ASCII string with a maximum length and returns the new ASCII + string. + + This function copies the contents of the ASCII string Source to the ASCII + string Destination, and returns Destination. At most, Length ASCII characters + are copied from Source to Destination. If Length is 0, then Destination is + returned unmodified. If Length is greater that the number of ASCII characters + in Source, then Destination is padded with Null ASCII characters. If Source + and Destination overlap, then the results are undefined. + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param Destination Pointer to a Null-terminated ASCII string. + @param Source Pointer to a Null-terminated ASCII string. + @param Length Maximum number of ASCII characters to copy. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrnCpy ( + OUT CHAR8 *Destination, + IN CONST CHAR8 *Source, + IN UINTN Length + ); + + +/** + Returns the length of a Null-terminated ASCII string. + + This function returns the number of ASCII characters in the Null-terminated + ASCII string specified by String. + + If Length > 0 and Destination is NULL, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + + @return The length of String. + +**/ +UINTN +EFIAPI +AsciiStrLen ( + IN CONST CHAR8 *String + ); + + +/** + Returns the size of a Null-terminated ASCII string in bytes, including the + Null terminator. + + This function returns the size, in bytes, of the Null-terminated ASCII string + specified by String. + + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + + @return The size of String. + +**/ +UINTN +EFIAPI +AsciiStrSize ( + IN CONST CHAR8 *String + ); + + +/** + Compares two Null-terminated ASCII strings, and returns the difference + between the first mismatched ASCII characters. + + This function compares the Null-terminated ASCII string FirstString to the + Null-terminated ASCII string SecondString. If FirstString is identical to + SecondString, then 0 is returned. Otherwise, the value returned is the first + mismatched ASCII character in SecondString subtracted from the first + mismatched ASCII character in FirstString. + + If FirstString is NULL, then ASSERT(). + If SecondString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and FirstString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and SecondString contains more + than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param FirstString Pointer to a Null-terminated ASCII string. + @param SecondString Pointer to a Null-terminated ASCII string. + + @retval 0 FirstString is identical to SecondString. + @retval !=0 FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +AsciiStrCmp ( + IN CONST CHAR8 *FirstString, + IN CONST CHAR8 *SecondString + ); + + +/** + Performs a case insensitive comparison of two Null-terminated ASCII strings, + and returns the difference between the first mismatched ASCII characters. + + This function performs a case insensitive comparison of the Null-terminated + ASCII string FirstString to the Null-terminated ASCII string SecondString. If + FirstString is identical to SecondString, then 0 is returned. Otherwise, the + value returned is the first mismatched lower case ASCII character in + SecondString subtracted from the first mismatched lower case ASCII character + in FirstString. + + If FirstString is NULL, then ASSERT(). + If SecondString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and FirstString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and SecondString contains more + than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param FirstString Pointer to a Null-terminated ASCII string. + @param SecondString Pointer to a Null-terminated ASCII string. + + @retval 0 FirstString is identical to SecondString using case insensitive + comparisons. + @retval !=0 FirstString is not identical to SecondString using case + insensitive comparisons. + +**/ +INTN +EFIAPI +AsciiStriCmp ( + IN CONST CHAR8 *FirstString, + IN CONST CHAR8 *SecondString + ); + + +/** + Compares two Null-terminated ASCII strings with maximum lengths, and returns + the difference between the first mismatched ASCII characters. + + This function compares the Null-terminated ASCII string FirstString to the + Null-terminated ASCII string SecondString. At most, Length ASCII characters + will be compared. If Length is 0, then 0 is returned. If FirstString is + identical to SecondString, then 0 is returned. Otherwise, the value returned + is the first mismatched ASCII character in SecondString subtracted from the + first mismatched ASCII character in FirstString. + + If Length > 0 and FirstString is NULL, then ASSERT(). + If Length > 0 and SecondString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and FirstString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and SecondString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param FirstString Pointer to a Null-terminated ASCII string. + @param SecondString Pointer to a Null-terminated ASCII string. + + @retval 0 FirstString is identical to SecondString. + @retval !=0 FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +AsciiStrnCmp ( + IN CONST CHAR8 *FirstString, + IN CONST CHAR8 *SecondString, + IN UINTN Length + ); + + +/** + Concatenates one Null-terminated ASCII string to another Null-terminated + ASCII string, and returns the concatenated ASCII string. + + This function concatenates two Null-terminated ASCII strings. The contents of + Null-terminated ASCII string Source are concatenated to the end of Null- + terminated ASCII string Destination. The Null-terminated concatenated ASCII + String is returned. + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and Destination contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and concatenating Destination and + Source results in a ASCII string with more than PcdMaximumAsciiStringLength + ASCII characters, then ASSERT(). + + @param Destination Pointer to a Null-terminated ASCII string. + @param Source Pointer to a Null-terminated ASCII string. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrCat ( + IN OUT CHAR8 *Destination, + IN CONST CHAR8 *Source + ); + + +/** + Concatenates one Null-terminated ASCII string with a maximum length to the + end of another Null-terminated ASCII string, and returns the concatenated + ASCII string. + + This function concatenates two Null-terminated ASCII strings. The contents + of Null-terminated ASCII string Source are concatenated to the end of Null- + terminated ASCII string Destination, and Destination is returned. At most, + Length ASCII characters are concatenated from Source to the end of + Destination, and Destination is always Null-terminated. If Length is 0, then + Destination is returned unmodified. If Source and Destination overlap, then + the results are undefined. + + If Length > 0 and Destination is NULL, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Destination contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and concatenating Destination and + Source results in a ASCII string with more than PcdMaximumAsciiStringLength + ASCII characters not including the Null-terminator, then ASSERT(). + + @param Destination Pointer to a Null-terminated ASCII string. + @param Source Pointer to a Null-terminated ASCII string. + @param Length Maximum number of ASCII characters to concatenate from + Source. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrnCat ( + IN OUT CHAR8 *Destination, + IN CONST CHAR8 *Source, + IN UINTN Length + ); + + +/** + Returns the first occurance of a Null-terminated ASCII sub-string + in a Null-terminated ASCII string. + + This function scans the contents of the ASCII string specified by String + and returns the first occurrence of SearchString. If SearchString is not + found in String, then NULL is returned. If the length of SearchString is zero, + then String is returned. + + If String is NULL, then ASSERT(). + If SearchString is NULL, then ASSERT(). + + If PcdMaximumAsciiStringLength is not zero, and SearchString or + String contains more than PcdMaximumAsciiStringLength Unicode characters + not including the Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + @param SearchString Pointer to a Null-terminated ASCII string to search for. + + @retval NULL If the SearchString does not appear in String. + @retval !NULL If there is a match. + +**/ +CHAR8 * +EFIAPI +AsciiStrStr ( + IN CONST CHAR8 *String, + IN CONST CHAR8 *SearchString + ); + + +/** + Convert a Null-terminated ASCII decimal string to a value of type + UINTN. + + This function returns a value of type UINTN by interpreting the contents + of the ASCII string String as a decimal number. The format of the input + ASCII string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before the digits. + The running zero in the beginning of [decimal digits] will be ignored. Then, the + function stops at the first character that is a not a valid decimal character or + Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, then 0 is returned. + If the number represented by String overflows according to the range defined by + UINTN, then ASSERT(). + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + + @retval UINTN + +**/ +UINTN +EFIAPI +AsciiStrDecimalToUintn ( + IN CONST CHAR8 *String + ); + + +/** + Convert a Null-terminated ASCII decimal string to a value of type + UINT64. + + This function returns a value of type UINT64 by interpreting the contents + of the ASCII string String as a decimal number. The format of the input + ASCII string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before the digits. + The running zero in the beginning of [decimal digits] will be ignored. Then, the + function stops at the first character that is a not a valid decimal character or + Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, then 0 is returned. + If the number represented by String overflows according to the range defined by + UINT64, then ASSERT(). + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + + @retval UINT64 + +**/ +UINT64 +EFIAPI +AsciiStrDecimalToUint64 ( + IN CONST CHAR8 *String + ); + + +/** + Convert a Null-terminated ASCII hexadecimal string to a value of type UINTN. + + This function returns a value of type UINTN by interpreting the contents of + the ASCII string String as a hexadecimal number. The format of the input ASCII + string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x" + appears in the input string, it must be prefixed with at least one 0. The function + will ignore the pad space, which includes spaces or tab characters, before [zeros], + [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits] + will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal + digit. Then, the function stops at the first character that is a not a valid + hexadecimal character or Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then + 0 is returned. + + If the number represented by String overflows according to the range defined by UINTN, + then ASSERT(). + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, + and String contains more than PcdMaximumAsciiStringLength ASCII characters not including + the Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + + @retval UINTN + +**/ +UINTN +EFIAPI +AsciiStrHexToUintn ( + IN CONST CHAR8 *String + ); + + +/** + Convert a Null-terminated ASCII hexadecimal string to a value of type UINT64. + + This function returns a value of type UINT64 by interpreting the contents of + the ASCII string String as a hexadecimal number. The format of the input ASCII + string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x" + appears in the input string, it must be prefixed with at least one 0. The function + will ignore the pad space, which includes spaces or tab characters, before [zeros], + [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits] + will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal + digit. Then, the function stops at the first character that is a not a valid + hexadecimal character or Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then + 0 is returned. + + If the number represented by String overflows according to the range defined by UINT64, + then ASSERT(). + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, + and String contains more than PcdMaximumAsciiStringLength ASCII characters not including + the Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated ASCII string. + + @retval UINT64 + +**/ +UINT64 +EFIAPI +AsciiStrHexToUint64 ( + IN CONST CHAR8 *String + ); + + +/** + Convert one Null-terminated ASCII string to a Null-terminated + Unicode string and returns the Unicode string. + + This function converts the contents of the ASCII string Source to the Unicode + string Destination, and returns Destination. The function terminates the + Unicode string Destination by appending a Null-terminator character at the end. + The caller is responsible to make sure Destination points to a buffer with size + equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes. + + If Destination is NULL, then ASSERT(). + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param Source Pointer to a Null-terminated ASCII string. + @param Destination Pointer to a Null-terminated Unicode string. + + @reture Destination + +**/ +CHAR16 * +EFIAPI +AsciiStrToUnicodeStr ( + IN CONST CHAR8 *Source, + OUT CHAR16 *Destination + ); + + +/** + Converts an 8-bit value to an 8-bit BCD value. + + Converts the 8-bit value specified by Value to BCD. The BCD value is + returned. + + If Value >= 100, then ASSERT(). + + @param Value The 8-bit value to convert to BCD. Range 0..99. + + @return The BCD value + +**/ +UINT8 +EFIAPI +DecimalToBcd8 ( + IN UINT8 Value + ); + + +/** + Converts an 8-bit BCD value to an 8-bit value. + + Converts the 8-bit BCD value specified by Value to an 8-bit value. The 8-bit + value is returned. + + If Value >= 0xA0, then ASSERT(). + If (Value & 0x0F) >= 0x0A, then ASSERT(). + + @param Value The 8-bit BCD value to convert to an 8-bit value. + + @return The 8-bit value is returned. + +**/ +UINT8 +EFIAPI +BcdToDecimal8 ( + IN UINT8 Value + ); + + +// +// Linked List Functions and Macros +// + +/** + Initializes the head node of a doubly linked list that is declared as a + global variable in a module. + + Initializes the forward and backward links of a new linked list. After + initializing a linked list with this macro, the other linked list functions + may be used to add and remove nodes from the linked list. This macro results + in smaller executables by initializing the linked list in the data section, + instead if calling the InitializeListHead() function to perform the + equivalent operation. + + @param ListHead The head note of a list to initiailize. + +**/ +#define INITIALIZE_LIST_HEAD_VARIABLE(ListHead) {&ListHead, &ListHead} + + +/** + Initializes the head node of a doubly linked list, and returns the pointer to + the head node of the doubly linked list. + + Initializes the forward and backward links of a new linked list. After + initializing a linked list with this function, the other linked list + functions may be used to add and remove nodes from the linked list. It is up + to the caller of this function to allocate the memory for ListHead. + + If ListHead is NULL, then ASSERT(). + + @param ListHead A pointer to the head node of a new doubly linked list. + + @return ListHead + +**/ +LIST_ENTRY * +EFIAPI +InitializeListHead ( + IN LIST_ENTRY *ListHead + ); + + +/** + Adds a node to the beginning of a doubly linked list, and returns the pointer + to the head node of the doubly linked list. + + Adds the node Entry at the beginning of the doubly linked list denoted by + ListHead, and returns ListHead. + + If ListHead is NULL, then ASSERT(). + If Entry is NULL, then ASSERT(). + If ListHead was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number + of nodes in ListHead, including the ListHead node, is greater than or + equal to PcdMaximumLinkedListLength, then ASSERT(). + + @param ListHead A pointer to the head node of a doubly linked list. + @param Entry A pointer to a node that is to be inserted at the beginning + of a doubly linked list. + + @return ListHead + +**/ +LIST_ENTRY * +EFIAPI +InsertHeadList ( + IN LIST_ENTRY *ListHead, + IN LIST_ENTRY *Entry + ); + + +/** + Adds a node to the end of a doubly linked list, and returns the pointer to + the head node of the doubly linked list. + + Adds the node Entry to the end of the doubly linked list denoted by ListHead, + and returns ListHead. + + If ListHead is NULL, then ASSERT(). + If Entry is NULL, then ASSERT(). + If ListHead was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number + of nodes in ListHead, including the ListHead node, is greater than or + equal to PcdMaximumLinkedListLength, then ASSERT(). + + @param ListHead A pointer to the head node of a doubly linked list. + @param Entry A pointer to a node that is to be added at the end of the + doubly linked list. + + @return ListHead + +**/ +LIST_ENTRY * +EFIAPI +InsertTailList ( + IN LIST_ENTRY *ListHead, + IN LIST_ENTRY *Entry + ); + + +/** + Retrieves the first node of a doubly linked list. + + Returns the first node of a doubly linked list. List must have been + initialized with InitializeListHead(). If List is empty, then NULL is + returned. + + If List is NULL, then ASSERT(). + If List was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + + @return The first node of a doubly linked list. + @retval NULL The list is empty. + +**/ +LIST_ENTRY * +EFIAPI +GetFirstNode ( + IN CONST LIST_ENTRY *List + ); + + +/** + Retrieves the next node of a doubly linked list. + + Returns the node of a doubly linked list that follows Node. List must have + been initialized with InitializeListHead(). If List is empty, then List is + returned. + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and List contains more than + PcdMaximumLinkedListLenth nodes, then ASSERT(). + If Node is not a node in List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @return Pointer to the next node if one exists. Otherwise a null value which + is actually List is returned. + +**/ +LIST_ENTRY * +EFIAPI +GetNextNode ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Checks to see if a doubly linked list is empty or not. + + Checks to see if the doubly linked list is empty. If the linked list contains + zero nodes, this function returns TRUE. Otherwise, it returns FALSE. + + If ListHead is NULL, then ASSERT(). + If ListHead was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + + @param ListHead A pointer to the head node of a doubly linked list. + + @retval TRUE The linked list is empty. + @retval FALSE The linked list is not empty. + +**/ +BOOLEAN +EFIAPI +IsListEmpty ( + IN CONST LIST_ENTRY *ListHead + ); + + +/** + Determines if a node in a doubly linked list is null. + + Returns FALSE if Node is one of the nodes in the doubly linked list specified + by List. Otherwise, TRUE is returned. List must have been initialized with + InitializeListHead(). + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + If Node is not a node in List and Node is not equal to List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @retval TRUE Node is one of the nodes in the doubly linked list. + @retval FALSE Node is not one of the nodes in the doubly linked list. + +**/ +BOOLEAN +EFIAPI +IsNull ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Determines if a node the last node in a doubly linked list. + + Returns TRUE if Node is the last node in the doubly linked list specified by + List. Otherwise, FALSE is returned. List must have been initialized with + InitializeListHead(). + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLenth is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + If Node is not a node in List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @retval TRUE Node is the last node in the linked list. + @retval FALSE Node is not the last node in the linked list. + +**/ +BOOLEAN +EFIAPI +IsNodeAtEnd ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Swaps the location of two nodes in a doubly linked list, and returns the + first node after the swap. + + If FirstEntry is identical to SecondEntry, then SecondEntry is returned. + Otherwise, the location of the FirstEntry node is swapped with the location + of the SecondEntry node in a doubly linked list. SecondEntry must be in the + same double linked list as FirstEntry and that double linked list must have + been initialized with InitializeListHead(). SecondEntry is returned after the + nodes are swapped. + + If FirstEntry is NULL, then ASSERT(). + If SecondEntry is NULL, then ASSERT(). + If SecondEntry and FirstEntry are not in the same linked list, then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes in the + linked list containing the FirstEntry and SecondEntry nodes, including + the FirstEntry and SecondEntry nodes, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + + @param FirstEntry A pointer to a node in a linked list. + @param SecondEntry A pointer to another node in the same linked list. + +**/ +LIST_ENTRY * +EFIAPI +SwapListEntries ( + IN LIST_ENTRY *FirstEntry, + IN LIST_ENTRY *SecondEntry + ); + + +/** + Removes a node from a doubly linked list, and returns the node that follows + the removed node. + + Removes the node Entry from a doubly linked list. It is up to the caller of + this function to release the memory used by this node if that is required. On + exit, the node following Entry in the doubly linked list is returned. If + Entry is the only node in the linked list, then the head node of the linked + list is returned. + + If Entry is NULL, then ASSERT(). + If Entry is the head node of an empty list, then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes in the + linked list containing Entry, including the Entry node, is greater than + or equal to PcdMaximumLinkedListLength, then ASSERT(). + + @param Entry A pointer to a node in a linked list + + @return Entry + +**/ +LIST_ENTRY * +EFIAPI +RemoveEntryList ( + IN CONST LIST_ENTRY *Entry + ); + +// +// Math Services +// + +/** + Shifts a 64-bit integer left between 0 and 63 bits. The low bits are filled + with zeros. The shifted value is returned. + + This function shifts the 64-bit value Operand to the left by Count bits. The + low Count bits are set to zero. The shifted value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to shift left. + @param Count The number of bits to shift left. + + @return Operand << Count + +**/ +UINT64 +EFIAPI +LShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Shifts a 64-bit integer right between 0 and 63 bits. This high bits are + filled with zeros. The shifted value is returned. + + This function shifts the 64-bit value Operand to the right by Count bits. The + high Count bits are set to zero. The shifted value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to shift right. + @param Count The number of bits to shift right. + + @return Operand >> Count + +**/ +UINT64 +EFIAPI +RShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled + with original integer's bit 63. The shifted value is returned. + + This function shifts the 64-bit value Operand to the right by Count bits. The + high Count bits are set to bit 63 of Operand. The shifted value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to shift right. + @param Count The number of bits to shift right. + + @return Operand >> Count + +**/ +UINT64 +EFIAPI +ARShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Rotates a 32-bit integer left between 0 and 31 bits, filling the low bits + with the high bits that were rotated. + + This function rotates the 32-bit value Operand to the left by Count bits. The + low Count bits are fill with the high Count bits of Operand. The rotated + value is returned. + + If Count is greater than 31, then ASSERT(). + + @param Operand The 32-bit operand to rotate left. + @param Count The number of bits to rotate left. + + @return Operand <<< Count + +**/ +UINT32 +EFIAPI +LRotU32 ( + IN UINT32 Operand, + IN UINTN Count + ); + + +/** + Rotates a 32-bit integer right between 0 and 31 bits, filling the high bits + with the low bits that were rotated. + + This function rotates the 32-bit value Operand to the right by Count bits. + The high Count bits are fill with the low Count bits of Operand. The rotated + value is returned. + + If Count is greater than 31, then ASSERT(). + + @param Operand The 32-bit operand to rotate right. + @param Count The number of bits to rotate right. + + @return Operand >>> Count + +**/ +UINT32 +EFIAPI +RRotU32 ( + IN UINT32 Operand, + IN UINTN Count + ); + + +/** + Rotates a 64-bit integer left between 0 and 63 bits, filling the low bits + with the high bits that were rotated. + + This function rotates the 64-bit value Operand to the left by Count bits. The + low Count bits are fill with the high Count bits of Operand. The rotated + value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to rotate left. + @param Count The number of bits to rotate left. + + @return Operand <<< Count + +**/ +UINT64 +EFIAPI +LRotU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits + with the high low bits that were rotated. + + This function rotates the 64-bit value Operand to the right by Count bits. + The high Count bits are fill with the low Count bits of Operand. The rotated + value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to rotate right. + @param Count The number of bits to rotate right. + + @return Operand >>> Count + +**/ +UINT64 +EFIAPI +RRotU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Returns the bit position of the lowest bit set in a 32-bit value. + + This function computes the bit position of the lowest bit set in the 32-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 31 is returned. + + @param Operand The 32-bit operand to evaluate. + + @return Position of the lowest bit set in Operand if found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +LowBitSet32 ( + IN UINT32 Operand + ); + + +/** + Returns the bit position of the lowest bit set in a 64-bit value. + + This function computes the bit position of the lowest bit set in the 64-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 63 is returned. + + @param Operand The 64-bit operand to evaluate. + + @return Position of the lowest bit set in Operand if found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +LowBitSet64 ( + IN UINT64 Operand + ); + + +/** + Returns the bit position of the highest bit set in a 32-bit value. Equivalent + to log2(x). + + This function computes the bit position of the highest bit set in the 32-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 31 is returned. + + @param Operand The 32-bit operand to evaluate. + + @return Position of the highest bit set in Operand if found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +HighBitSet32 ( + IN UINT32 Operand + ); + + +/** + Returns the bit position of the highest bit set in a 64-bit value. Equivalent + to log2(x). + + This function computes the bit position of the highest bit set in the 64-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 63 is returned. + + @param Operand The 64-bit operand to evaluate. + + @return Position of the highest bit set in Operand if found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +HighBitSet64 ( + IN UINT64 Operand + ); + + +/** + Returns the value of the highest bit set in a 32-bit value. Equivalent to + 1 << HighBitSet32(x). + + This function computes the value of the highest bit set in the 32-bit value + specified by Operand. If Operand is zero, then zero is returned. + + @param Operand The 32-bit operand to evaluate. + + @return 1 << HighBitSet32(Operand) + @retval 0 Operand is zero. + +**/ +UINT32 +EFIAPI +GetPowerOfTwo32 ( + IN UINT32 Operand + ); + + +/** + Returns the value of the highest bit set in a 64-bit value. Equivalent to + 1 << HighBitSet64(x). + + This function computes the value of the highest bit set in the 64-bit value + specified by Operand. If Operand is zero, then zero is returned. + + @param Operand The 64-bit operand to evaluate. + + @return 1 << HighBitSet64(Operand) + @retval 0 Operand is zero. + +**/ +UINT64 +EFIAPI +GetPowerOfTwo64 ( + IN UINT64 Operand + ); + + +/** + Switches the endianess of a 16-bit integer. + + This function swaps the bytes in a 16-bit unsigned value to switch the value + from little endian to big endian or vice versa. The byte swapped value is + returned. + + @param Operand A 16-bit unsigned value. + + @return The byte swaped Operand. + +**/ +UINT16 +EFIAPI +SwapBytes16 ( + IN UINT16 Value + ); + + +/** + Switches the endianess of a 32-bit integer. + + This function swaps the bytes in a 32-bit unsigned value to switch the value + from little endian to big endian or vice versa. The byte swapped value is + returned. + + @param Operand A 32-bit unsigned value. + + @return The byte swaped Operand. + +**/ +UINT32 +EFIAPI +SwapBytes32 ( + IN UINT32 Value + ); + + +/** + Switches the endianess of a 64-bit integer. + + This function swaps the bytes in a 64-bit unsigned value to switch the value + from little endian to big endian or vice versa. The byte swapped value is + returned. + + @param Operand A 64-bit unsigned value. + + @return The byte swaped Operand. + +**/ +UINT64 +EFIAPI +SwapBytes64 ( + IN UINT64 Value + ); + + +/** + Multiples a 64-bit unsigned integer by a 32-bit unsigned integer and + generates a 64-bit unsigned result. + + This function multiples the 64-bit unsigned value Multiplicand by the 32-bit + unsigned value Multiplier and generates a 64-bit unsigned result. This 64- + bit unsigned result is returned. + + If the result overflows, then ASSERT(). + + @param Multiplicand A 64-bit unsigned value. + @param Multiplier A 32-bit unsigned value. + + @return Multiplicand * Multiplier + +**/ +UINT64 +EFIAPI +MultU64x32 ( + IN UINT64 Multiplicand, + IN UINT32 Multiplier + ); + + +/** + Multiples a 64-bit unsigned integer by a 64-bit unsigned integer and + generates a 64-bit unsigned result. + + This function multiples the 64-bit unsigned value Multiplicand by the 64-bit + unsigned value Multiplier and generates a 64-bit unsigned result. This 64- + bit unsigned result is returned. + + If the result overflows, then ASSERT(). + + @param Multiplicand A 64-bit unsigned value. + @param Multiplier A 64-bit unsigned value. + + @return Multiplicand * Multiplier + +**/ +UINT64 +EFIAPI +MultU64x64 ( + IN UINT64 Multiplicand, + IN UINT64 Multiplier + ); + + +/** + Multiples a 64-bit signed integer by a 64-bit signed integer and generates a + 64-bit signed result. + + This function multiples the 64-bit signed value Multiplicand by the 64-bit + signed value Multiplier and generates a 64-bit signed result. This 64-bit + signed result is returned. + + If the result overflows, then ASSERT(). + + @param Multiplicand A 64-bit signed value. + @param Multiplier A 64-bit signed value. + + @return Multiplicand * Multiplier + +**/ +INT64 +EFIAPI +MultS64x64 ( + IN INT64 Multiplicand, + IN INT64 Multiplier + ); + + +/** + Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates + a 64-bit unsigned result. + + This function divides the 64-bit unsigned value Dividend by the 32-bit + unsigned value Divisor and generates a 64-bit unsigned quotient. This + function returns the 64-bit unsigned quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 32-bit unsigned value. + + @return Dividend / Divisor + +**/ +UINT64 +EFIAPI +DivU64x32 ( + IN UINT64 Dividend, + IN UINT32 Divisor + ); + + +/** + Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates + a 32-bit unsigned remainder. + + This function divides the 64-bit unsigned value Dividend by the 32-bit + unsigned value Divisor and generates a 32-bit remainder. This function + returns the 32-bit unsigned remainder. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 32-bit unsigned value. + + @return Dividend % Divisor + +**/ +UINT32 +EFIAPI +ModU64x32 ( + IN UINT64 Dividend, + IN UINT32 Divisor + ); + + +/** + Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates + a 64-bit unsigned result and an optional 32-bit unsigned remainder. + + This function divides the 64-bit unsigned value Dividend by the 32-bit + unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder + is not NULL, then the 32-bit unsigned remainder is returned in Remainder. + This function returns the 64-bit unsigned quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 32-bit unsigned value. + @param Remainder A pointer to a 32-bit unsigned value. This parameter is + optional and may be NULL. + + @return Dividend / Divisor + +**/ +UINT64 +EFIAPI +DivU64x32Remainder ( + IN UINT64 Dividend, + IN UINT32 Divisor, + OUT UINT32 *Remainder OPTIONAL + ); + + +/** + Divides a 64-bit unsigned integer by a 64-bit unsigned integer and generates + a 64-bit unsigned result and an optional 64-bit unsigned remainder. + + This function divides the 64-bit unsigned value Dividend by the 64-bit + unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder + is not NULL, then the 64-bit unsigned remainder is returned in Remainder. + This function returns the 64-bit unsigned quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 64-bit unsigned value. + @param Remainder A pointer to a 64-bit unsigned value. This parameter is + optional and may be NULL. + + @return Dividend / Divisor + +**/ +UINT64 +EFIAPI +DivU64x64Remainder ( + IN UINT64 Dividend, + IN UINT64 Divisor, + OUT UINT64 *Remainder OPTIONAL + ); + + +/** + Divides a 64-bit signed integer by a 64-bit signed integer and generates a + 64-bit signed result and a optional 64-bit signed remainder. + + This function divides the 64-bit signed value Dividend by the 64-bit signed + value Divisor and generates a 64-bit signed quotient. If Remainder is not + NULL, then the 64-bit signed remainder is returned in Remainder. This + function returns the 64-bit signed quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit signed value. + @param Divisor A 64-bit signed value. + @param Remainder A pointer to a 64-bit signed value. This parameter is + optional and may be NULL. + + @return Dividend / Divisor + +**/ +INT64 +EFIAPI +DivS64x64Remainder ( + IN INT64 Dividend, + IN INT64 Divisor, + OUT INT64 *Remainder OPTIONAL + ); + + +/** + Reads a 16-bit value from memory that may be unaligned. + + This function returns the 16-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 16-bit value that may be unaligned. + + @return *Uint16 + +**/ +UINT16 +EFIAPI +ReadUnaligned16 ( + IN CONST UINT16 *Uint16 + ); + + +/** + Writes a 16-bit value to memory that may be unaligned. + + This function writes the 16-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 16-bit value that may be unaligned. + @param Value 16-bit value to write to Buffer. + + @return Value + +**/ +UINT16 +EFIAPI +WriteUnaligned16 ( + OUT UINT16 *Uint16, + IN UINT16 Value + ); + + +/** + Reads a 24-bit value from memory that may be unaligned. + + This function returns the 24-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 24-bit value that may be unaligned. + + @return The value read. + +**/ +UINT32 +EFIAPI +ReadUnaligned24 ( + IN CONST UINT32 *Buffer + ); + + +/** + Writes a 24-bit value to memory that may be unaligned. + + This function writes the 24-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 24-bit value that may be unaligned. + @param Value 24-bit value to write to Buffer. + + @return The value written. + +**/ +UINT32 +EFIAPI +WriteUnaligned24 ( + OUT UINT32 *Buffer, + IN UINT32 Value + ); + + +/** + Reads a 32-bit value from memory that may be unaligned. + + This function returns the 32-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 32-bit value that may be unaligned. + + @return *Uint32 + +**/ +UINT32 +EFIAPI +ReadUnaligned32 ( + IN CONST UINT32 *Uint32 + ); + + +/** + Writes a 32-bit value to memory that may be unaligned. + + This function writes the 32-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 32-bit value that may be unaligned. + @param Value 32-bit value to write to Buffer. + + @return Value + +**/ +UINT32 +EFIAPI +WriteUnaligned32 ( + OUT UINT32 *Uint32, + IN UINT32 Value + ); + + +/** + Reads a 64-bit value from memory that may be unaligned. + + This function returns the 64-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 64-bit value that may be unaligned. + + @return *Uint64 + +**/ +UINT64 +EFIAPI +ReadUnaligned64 ( + IN CONST UINT64 *Uint64 + ); + + +/** + Writes a 64-bit value to memory that may be unaligned. + + This function writes the 64-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer Pointer to a 64-bit value that may be unaligned. + @param Value 64-bit value to write to Buffer. + + @return Value + +**/ +UINT64 +EFIAPI +WriteUnaligned64 ( + OUT UINT64 *Uint64, + IN UINT64 Value + ); + + +// +// Bit Field Functions +// + +/** + Returns a bit field from an 8-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The bit field read. + +**/ +UINT8 +EFIAPI +BitFieldRead8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to an 8-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 8-bit value is + returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldWrite8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + + +/** + Reads a bit field from an 8-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise inclusive OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 8-bit value is returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the read value from the value + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldOr8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + + +/** + Reads a bit field from an 8-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 8-bit value is returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the value. + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldAnd8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + + +/** + Reads a bit field from an 8-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + inclusive OR with value specified by OrData. All other bits in Operand are + preserved. The new 8-bit value is returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldAndThenOr8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + + +/** + Returns a bit field from a 16-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The bit field read. + +**/ +UINT16 +EFIAPI +BitFieldRead16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to a 16-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 16-bit value is + returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldWrite16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + + +/** + Reads a bit field from a 16-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise inclusive OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 16-bit value is returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the read value from the value + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldOr16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + + +/** + Reads a bit field from a 16-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 16-bit value is returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the value + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldAnd16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + + +/** + Reads a bit field from a 16-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + inclusive OR with value specified by OrData. All other bits in Operand are + preserved. The new 16-bit value is returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldAndThenOr16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + + +/** + Returns a bit field from a 32-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The bit field read. + +**/ +UINT32 +EFIAPI +BitFieldRead32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to a 32-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 32-bit value is + returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldWrite32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + + +/** + Reads a bit field from a 32-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise inclusive OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 32-bit value is returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the read value from the value + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldOr32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + + +/** + Reads a bit field from a 32-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 32-bit value is returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the value + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldAnd32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + + +/** + Reads a bit field from a 32-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + inclusive OR with value specified by OrData. All other bits in Operand are + preserved. The new 32-bit value is returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldAndThenOr32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + + +/** + Returns a bit field from a 64-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The bit field read. + +**/ +UINT64 +EFIAPI +BitFieldRead64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to a 64-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 64-bit value is + returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldWrite64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + + +/** + Reads a bit field from a 64-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise inclusive OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 64-bit value is returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with the read value from the value + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldOr64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + + +/** + Reads a bit field from a 64-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 64-bit value is returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the value + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldAnd64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + + +/** + Reads a bit field from a 64-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + inclusive OR with value specified by OrData. All other bits in Operand are + preserved. The new 64-bit value is returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldAndThenOr64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + + +// +// Base Library Synchronization Functions +// + +/** + Retrieves the architecture specific spin lock alignment requirements for + optimal spin lock performance. + + This function retrieves the spin lock alignment requirements for optimal + performance on a given CPU architecture. The spin lock alignment must be a + power of two and is returned by this function. If there are no alignment + requirements, then 1 must be returned. The spin lock synchronization + functions must function correctly if the spin lock size and alignment values + returned by this function are not used at all. These values are hints to the + consumers of the spin lock synchronization functions to obtain optimal spin + lock performance. + + @return The architecture specific spin lock alignment. + +**/ +UINTN +EFIAPI +GetSpinLockProperties ( + VOID + ); + + +/** + Initializes a spin lock to the released state and returns the spin lock. + + This function initializes the spin lock specified by SpinLock to the released + state, and returns SpinLock. Optimal performance can be achieved by calling + GetSpinLockProperties() to determine the size and alignment requirements for + SpinLock. + + If SpinLock is NULL, then ASSERT(). + + @param SpinLock A pointer to the spin lock to initialize to the released + state. + + @return SpinLock + +**/ +SPIN_LOCK * +EFIAPI +InitializeSpinLock ( + IN SPIN_LOCK *SpinLock + ); + + +/** + Waits until a spin lock can be placed in the acquired state. + + This function checks the state of the spin lock specified by SpinLock. If + SpinLock is in the released state, then this function places SpinLock in the + acquired state and returns SpinLock. Otherwise, this function waits + indefinitely for the spin lock to be released, and then places it in the + acquired state and returns SpinLock. All state transitions of SpinLock must + be performed using MP safe mechanisms. + + If SpinLock is NULL, then ASSERT(). + If SpinLock was not initialized with InitializeSpinLock(), then ASSERT(). + If PcdSpinLockTimeout is not zero, and SpinLock is can not be acquired in + PcdSpinLockTimeout microseconds, then ASSERT(). + + @param SpinLock A pointer to the spin lock to place in the acquired state. + + @return SpinLock + +**/ +SPIN_LOCK * +EFIAPI +AcquireSpinLock ( + IN SPIN_LOCK *SpinLock + ); + + +/** + Attempts to place a spin lock in the acquired state. + + This function checks the state of the spin lock specified by SpinLock. If + SpinLock is in the released state, then this function places SpinLock in the + acquired state and returns TRUE. Otherwise, FALSE is returned. All state + transitions of SpinLock must be performed using MP safe mechanisms. + + If SpinLock is NULL, then ASSERT(). + If SpinLock was not initialized with InitializeSpinLock(), then ASSERT(). + + @param SpinLock A pointer to the spin lock to place in the acquired state. + + @retval TRUE SpinLock was placed in the acquired state. + @retval FALSE SpinLock could not be acquired. + +**/ +BOOLEAN +EFIAPI +AcquireSpinLockOrFail ( + IN SPIN_LOCK *SpinLock + ); + + +/** + Releases a spin lock. + + This function places the spin lock specified by SpinLock in the release state + and returns SpinLock. + + If SpinLock is NULL, then ASSERT(). + If SpinLock was not initialized with InitializeSpinLock(), then ASSERT(). + + @param SpinLock A pointer to the spin lock to release. + + @return SpinLock + +**/ +SPIN_LOCK * +EFIAPI +ReleaseSpinLock ( + IN SPIN_LOCK *SpinLock + ); + + +/** + Performs an atomic increment of an 32-bit unsigned integer. + + Performs an atomic increment of the 32-bit unsigned integer specified by + Value and returns the incremented value. The increment operation must be + performed using MP safe mechanisms. The state of the return value is not + guaranteed to be MP safe. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 32-bit value to increment. + + @return The incremented value. + +**/ +UINT32 +EFIAPI +InterlockedIncrement ( + IN UINT32 *Value + ); + + +/** + Performs an atomic decrement of an 32-bit unsigned integer. + + Performs an atomic decrement of the 32-bit unsigned integer specified by + Value and returns the decremented value. The decrement operation must be + performed using MP safe mechanisms. The state of the return value is not + guaranteed to be MP safe. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 32-bit value to decrement. + + @return The decremented value. + +**/ +UINT32 +EFIAPI +InterlockedDecrement ( + IN UINT32 *Value + ); + + +/** + Performs an atomic compare exchange operation on a 32-bit unsigned integer. + + Performs an atomic compare exchange operation on the 32-bit unsigned integer + specified by Value. If Value is equal to CompareValue, then Value is set to + ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue, + then Value is returned. The compare exchange operation must be performed using + MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 32-bit value for the compare exchange + operation. + @param CompareValue 32-bit value used in compare operation. + @param ExchangeValue 32-bit value used in exchange operation. + + @return The original *Value before exchange. + +**/ +UINT32 +EFIAPI +InterlockedCompareExchange32 ( + IN OUT UINT32 *Value, + IN UINT32 CompareValue, + IN UINT32 ExchangeValue + ); + + +/** + Performs an atomic compare exchange operation on a 64-bit unsigned integer. + + Performs an atomic compare exchange operation on the 64-bit unsigned integer specified + by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and + CompareValue is returned. If Value is not equal to CompareValue, then Value is returned. + The compare exchange operation must be performed using MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 64-bit value for the compare exchange + operation. + @param CompareValue 64-bit value used in compare operation. + @param ExchangeValue 64-bit value used in exchange operation. + + @return The original *Value before exchange. + +**/ +UINT64 +EFIAPI +InterlockedCompareExchange64 ( + IN OUT UINT64 *Value, + IN UINT64 CompareValue, + IN UINT64 ExchangeValue + ); + + +/** + Performs an atomic compare exchange operation on a pointer value. + + Performs an atomic compare exchange operation on the pointer value specified + by Value. If Value is equal to CompareValue, then Value is set to + ExchangeValue and CompareValue is returned. If Value is not equal to + CompareValue, then Value is returned. The compare exchange operation must be + performed using MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the pointer value for the compare exchange + operation. + @param CompareValue Pointer value used in compare operation. + @param ExchangeValue Pointer value used in exchange operation. + +**/ +VOID * +EFIAPI +InterlockedCompareExchangePointer ( + IN OUT VOID **Value, + IN VOID *CompareValue, + IN VOID *ExchangeValue + ); + + +// +// Base Library Checksum Functions +// + +/** + Calculate the sum of all elements in a buffer in unit of UINT8. + During calculation, the carry bits are dropped. + + This function calculates the sum of all elements in a buffer + in unit of UINT8. The carry bits in result of addition are dropped. + The result is returned as UINT8. If Length is Zero, then Zero is + returned. + + If Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer . + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT8 +EFIAPI +CalculateSum8 ( + IN CONST UINT8 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer + of 8-bit values. + + This function first calculates the sum of the 8-bit values in the + buffer specified by Buffer and Length. The carry bits in the result + of addition are dropped. Then, the two's complement of the sum is + returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + + @param Buffer Pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The 2's complement checksum of Buffer. + +**/ +UINT8 +EFIAPI +CalculateCheckSum8 ( + IN CONST UINT8 *Buffer, + IN UINTN Length + ); + + +/** + Returns the sum of all elements in a buffer of 16-bit values. During + calculation, the carry bits are dropped. + + This function calculates the sum of the 16-bit values in the buffer + specified by Buffer and Length. The carry bits in result of addition are dropped. + The 16-bit result is returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT16 +EFIAPI +CalculateSum16 ( + IN CONST UINT16 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer of + 16-bit values. + + This function first calculates the sum of the 16-bit values in the buffer + specified by Buffer and Length. The carry bits in the result of addition + are dropped. Then, the two's complement of the sum is returned. If Length + is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The 2's complement checksum of Buffer. + +**/ +UINT16 +EFIAPI +CalculateCheckSum16 ( + IN CONST UINT16 *Buffer, + IN UINTN Length + ); + + +/** + Returns the sum of all elements in a buffer of 32-bit values. During + calculation, the carry bits are dropped. + + This function calculates the sum of the 32-bit values in the buffer + specified by Buffer and Length. The carry bits in result of addition are dropped. + The 32-bit result is returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT32 +EFIAPI +CalculateSum32 ( + IN CONST UINT32 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer of + 32-bit values. + + This function first calculates the sum of the 32-bit values in the buffer + specified by Buffer and Length. The carry bits in the result of addition + are dropped. Then, the two's complement of the sum is returned. If Length + is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The 2's complement checksum of Buffer. + +**/ +UINT32 +EFIAPI +CalculateCheckSum32 ( + IN CONST UINT32 *Buffer, + IN UINTN Length + ); + + +/** + Returns the sum of all elements in a buffer of 64-bit values. During + calculation, the carry bits are dropped. + + This function calculates the sum of the 64-bit values in the buffer + specified by Buffer and Length. The carry bits in result of addition are dropped. + The 64-bit result is returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT64 +EFIAPI +CalculateSum64 ( + IN CONST UINT64 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer of + 64-bit values. + + This function first calculates the sum of the 64-bit values in the buffer + specified by Buffer and Length. The carry bits in the result of addition + are dropped. Then, the two's complement of the sum is returned. If Length + is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer Pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The 2's complement checksum of Buffer. + +**/ +UINT64 +EFIAPI +CalculateCheckSum64 ( + IN CONST UINT64 *Buffer, + IN UINTN Length + ); + + +// +// Base Library CPU Functions +// +typedef +VOID +(EFIAPI *SWITCH_STACK_ENTRY_POINT) ( + IN VOID *Context1, OPTIONAL + IN VOID *Context2 OPTIONAL + ); + + +/** + Used to serialize load and store operations. + + All loads and stores that proceed calls to this function are guaranteed to be + globally visible when this function returns. + +**/ +VOID +EFIAPI +MemoryFence ( + VOID + ); + + +/** + Saves the current CPU context that can be restored with a call to LongJump() + and returns 0. + + Saves the current CPU context in the buffer specified by JumpBuffer and + returns 0. The initial call to SetJump() must always return 0. Subsequent + calls to LongJump() cause a non-zero value to be returned by SetJump(). + + If JumpBuffer is NULL, then ASSERT(). + For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT(). + + @param JumpBuffer A pointer to CPU context buffer. + + @retval 0 Indicates a return from SetJump(). + +**/ +UINTN +EFIAPI +SetJump ( + OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer + ); + + +/** + Restores the CPU context that was saved with SetJump(). + + Restores the CPU context from the buffer specified by JumpBuffer. This + function never returns to the caller. Instead is resumes execution based on + the state of JumpBuffer. + + If JumpBuffer is NULL, then ASSERT(). + For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT(). + If Value is 0, then ASSERT(). + + @param JumpBuffer A pointer to CPU context buffer. + @param Value The value to return when the SetJump() context is + restored and must be non-zero. + +**/ +VOID +EFIAPI +LongJump ( + IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, + IN UINTN Value + ); + + +/** + Enables CPU interrupts. + + Enables CPU interrupts. + +**/ +VOID +EFIAPI +EnableInterrupts ( + VOID + ); + + +/** + Disables CPU interrupts. + + Disables CPU interrupts. + +**/ +VOID +EFIAPI +DisableInterrupts ( + VOID + ); + + +/** + Disables CPU interrupts and returns the interrupt state prior to the disable + operation. + + Disables CPU interrupts and returns the interrupt state prior to the disable + operation. + + @retval TRUE CPU interrupts were enabled on entry to this call. + @retval FALSE CPU interrupts were disabled on entry to this call. + +**/ +BOOLEAN +EFIAPI +SaveAndDisableInterrupts ( + VOID + ); + + +/** + Enables CPU interrupts for the smallest window required to capture any + pending interrupts. + + Enables CPU interrupts for the smallest window required to capture any + pending interrupts. + +**/ +VOID +EFIAPI +EnableDisableInterrupts ( + VOID + ); + + +/** + Retrieves the current CPU interrupt state. + + Retrieves the current CPU interrupt state. Returns TRUE is interrupts are + currently enabled. Otherwise returns FALSE. + + @retval TRUE CPU interrupts are enabled. + @retval FALSE CPU interrupts are disabled. + +**/ +BOOLEAN +EFIAPI +GetInterruptState ( + VOID + ); + + +/** + Set the current CPU interrupt state. + + Sets the current CPU interrupt state to the state specified by + InterruptState. If InterruptState is TRUE, then interrupts are enabled. If + InterruptState is FALSE, then interrupts are disabled. InterruptState is + returned. + + @param InterruptState TRUE if interrupts should enabled. FALSE if + interrupts should be disabled. + + @return InterruptState + +**/ +BOOLEAN +EFIAPI +SetInterruptState ( + IN BOOLEAN InterruptState + ); + + +/** + Places the CPU in a sleep state until an interrupt is received. + + Places the CPU in a sleep state until an interrupt is received. If interrupts + are disabled prior to calling this function, then the CPU will be placed in a + sleep state indefinitely. + +**/ +VOID +EFIAPI +CpuSleep ( + VOID + ); + + +/** + Requests CPU to pause for a short period of time. + + Requests CPU to pause for a short period of time. Typically used in MP + systems to prevent memory starvation while waiting for a spin lock. + +**/ +VOID +EFIAPI +CpuPause ( + VOID + ); + + +/** + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + +**/ +VOID +EFIAPI +CpuFlushTlb ( + VOID + ); + + +/** + Transfers control to a function starting with a new stack. + + Transfers control to the function specified by EntryPoint using the + new stack specified by NewStack and passing in the parameters specified + by Context1 and Context2. Context1 and Context2 are optional and may + be NULL. The function EntryPoint must never return. This function + supports a variable number of arguments following the NewStack parameter. + These additional arguments are ignored on IA-32, x64, and EBC. + IPF CPUs expect one additional parameter of type VOID * that specifies + the new backing store pointer. + + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + @param EntryPoint A pointer to function to call with the new stack. + @param Context1 A pointer to the context to pass into the EntryPoint + function. + @param Context2 A pointer to the context to pass into the EntryPoint + function. + @param NewStack A pointer to the new stack to use for the EntryPoint + function. + +**/ +VOID +EFIAPI +SwitchStack ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack, + ... + ); + + +/** + Generates a breakpoint on the CPU. + + Generates a breakpoint on the CPU. The breakpoint must be implemented such + that code can resume normal execution after the breakpoint. + +**/ +VOID +EFIAPI +CpuBreakpoint ( + VOID + ); + + +/** + Executes an infinite loop. + + Forces the CPU to execute an infinite loop. A debugger may be used to skip + past the loop and the code that follows the loop must execute properly. This + implies that the infinite loop must not cause the code that follow it to be + optimized away. + +**/ +VOID +EFIAPI +CpuDeadLoop ( + VOID + ); + + +#if defined (MDE_CPU_IPF) + +/** + Flush a range of cache lines in the cache coherency domain of the calling + CPU. + + Invalidates the cache lines specified by Address and Length. If Address is + not aligned on a cache line boundary, then entire cache line containing + Address is invalidated. If Address + Length is not aligned on a cache line + boundary, then the entire instruction cache line containing Address + Length + -1 is invalidated. This function may choose to invalidate the entire + instruction cache if that is more efficient than invalidating the specified + range. If Length is 0, the no instruction cache lines are invalidated. + Address is returned. + + If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT(). + + @param Address The base address of the instruction lines to invalidate. If + the CPU is in a physical addressing mode, then Address is a + physical address. If the CPU is in a virtual addressing mode, + then Address is a virtual address. + + @param Length The number of bytes to invalidate from the instruction cache. + + @return Address + +**/ +VOID * +EFIAPI +IpfFlushCacheRange ( + IN VOID *Address, + IN UINTN Length + ); + + +/** + Executes a FC instruction + Executes a FC instruction on the cache line specified by Address. + The cache line size affected is at least 32-bytes (aligned on a 32-byte boundary). + An implementation may flush a larger region. This function is only available on IPF. + + @param Address The Address of cache line to be flushed. + + @return The address of FC instruction executed. + +**/ +UINT64 +EFIAPI +AsmFc ( + IN UINT64 Address + ); + + +/** + Executes a FC.I instruction. + Executes a FC.I instruction on the cache line specified by Address. + The cache line size affected is at least 32-bytes (aligned on a 32-byte boundary). + An implementation may flush a larger region. This function is only available on IPF. + + @param Address The Address of cache line to be flushed. + + @return The address of FC.I instruction executed. + +**/ +UINT64 +EFIAPI +AsmFci ( + IN UINT64 Address + ); + + +/** + Reads the current value of a Processor Identifier Register (CPUID). + The Index of largest implemented CPUID (One less than the number of implemented CPUID + registers) is determined by CPUID [3] bits {7:0}. + No parameter checking is performed on Index. If the Index value is beyond the + implemented CPUID register range, a Reserved Register/Field fault may occur. The caller + must either guarantee that Index is valid, or the caller must set up fault handlers to + catch the faults. This function is only available on IPF. + + @param Index The 8-bit Processor Identifier Register index to read. + + @return The current value of Processor Identifier Register specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadCpuid ( + IN UINT8 Index + ); + + +/** + Reads the current value of 64-bit Processor Status Register (PSR). + This function is only available on IPF. + + @return The current value of PSR. + +**/ +UINT64 +EFIAPI +AsmReadPsr ( + VOID + ); + + +/** + Writes the current value of 64-bit Processor Status Register (PSR). + No parameter checking is performed on Value. All bits of Value corresponding to + reserved fields of PSR must be 0 or a Reserved Register/Field fault may occur. The caller must either guarantee that Value is valid, or the caller must set up fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to PSR. + + @return The 64-bit value written to the PSR. + +**/ +UINT64 +EFIAPI +AsmWritePsr ( + IN UINT64 Value + ); + + +/** + Reads the current value of 64-bit Kernel Register #0 (KR0). + This function is only available on IPF. + + @return The current value of KR0. + +**/ +UINT64 +EFIAPI +AsmReadKr0 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #1 (KR1). + This function is only available on IPF. + + @return The current value of KR1. + +**/ +UINT64 +EFIAPI +AsmReadKr1 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #2 (KR2). + This function is only available on IPF. + + @return The current value of KR2. + +**/ +UINT64 +EFIAPI +AsmReadKr2 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #3 (KR3). + This function is only available on IPF. + + @return The current value of KR3. + +**/ +UINT64 +EFIAPI +AsmReadKr3 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #4 (KR4). + This function is only available on IPF. + + @return The current value of KR4. + +**/ +UINT64 +EFIAPI +AsmReadKr4 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #5 (KR5). + This function is only available on IPF. + + @return The current value of KR5. + +**/ +UINT64 +EFIAPI +AsmReadKr5 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #6 (KR6). + This function is only available on IPF. + + @return The current value of KR6. + +**/ +UINT64 +EFIAPI +AsmReadKr6 ( + VOID + ); + + +/** + Reads the current value of 64-bit Kernel Register #7 (KR7). + This function is only available on IPF. + + @return The current value of KR7. + +**/ +UINT64 +EFIAPI +AsmReadKr7 ( + VOID + ); + + +/** + Write the current value of 64-bit Kernel Register #0 (KR0). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR0. + + @return The 64-bit value written to the KR0. + +**/ +UINT64 +EFIAPI +AsmWriteKr0 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #1 (KR1). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR1. + + @return The 64-bit value written to the KR1. + +**/ +UINT64 +EFIAPI +AsmWriteKr1 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #2 (KR2). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR2. + + @return The 64-bit value written to the KR2. + +**/ +UINT64 +EFIAPI +AsmWriteKr2 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #3 (KR3). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR3. + + @return The 64-bit value written to the KR3. + +**/ +UINT64 +EFIAPI +AsmWriteKr3 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #4 (KR4). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR4. + + @return The 64-bit value written to the KR4. + +**/ +UINT64 +EFIAPI +AsmWriteKr4 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #5 (KR5). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR5. + + @return The 64-bit value written to the KR5. + +**/ +UINT64 +EFIAPI +AsmWriteKr5 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #6 (KR6). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR6. + + @return The 64-bit value written to the KR6. + +**/ +UINT64 +EFIAPI +AsmWriteKr6 ( + IN UINT64 Value + ); + + +/** + Write the current value of 64-bit Kernel Register #7 (KR7). + This function is only available on IPF. + + @param Value The 64-bit value to write to KR7. + + @return The 64-bit value written to the KR7. + +**/ +UINT64 +EFIAPI +AsmWriteKr7 ( + IN UINT64 Value + ); + + +/** + Reads the current value of Interval Timer Counter Register (ITC). + This function is only available on IPF. + + @return The current value of ITC. + +**/ +UINT64 +EFIAPI +AsmReadItc ( + VOID + ); + + +/** + Reads the current value of Interval Timer Vector Register (ITV). + This function is only available on IPF. + + @return The current value of ITV. + +**/ +UINT64 +EFIAPI +AsmReadItv ( + VOID + ); + + +/** + Reads the current value of Interval Timer Match Register (ITM). + This function is only available on IPF. + + @return The current value of ITM. +**/ +UINT64 +EFIAPI +AsmReadItm ( + VOID + ); + + +/** + Writes the current value of 64-bit Interval Timer Counter Register (ITC). + This function is only available on IPF. + + @param Value The 64-bit value to write to ITC. + + @return The 64-bit value written to the ITC. + +**/ +UINT64 +EFIAPI +AsmWriteItc ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Interval Timer Match Register (ITM). + This function is only available on IPF. + + @param Value The 64-bit value to write to ITM. + + @return The 64-bit value written to the ITM. + +**/ +UINT64 +EFIAPI +AsmWriteItm ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Interval Timer Vector Register (ITV). + No parameter checking is performed on Value. All bits of Value corresponding to + reserved fields of ITV must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to ITV. + + @return The 64-bit value written to the ITV. + +**/ +UINT64 +EFIAPI +AsmWriteItv ( + IN UINT64 Value + ); + + +/** + Reads the current value of Default Control Register (DCR). + This function is only available on IPF. + + @return The current value of DCR. + +**/ +UINT64 +EFIAPI +AsmReadDcr ( + VOID + ); + + +/** + Reads the current value of Interruption Vector Address Register (IVA). + This function is only available on IPF. + + @return The current value of IVA. +**/ +UINT64 +EFIAPI +AsmReadIva ( + VOID + ); + + +/** + Reads the current value of Page Table Address Register (PTA). + This function is only available on IPF. + + @return The current value of PTA. + +**/ +UINT64 +EFIAPI +AsmReadPta ( + VOID + ); + + +/** + Writes the current value of 64-bit Default Control Register (DCR). + No parameter checking is performed on Value. All bits of Value corresponding to + reserved fields of DCR must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to DCR. + + @return The 64-bit value written to the DCR. + +**/ +UINT64 +EFIAPI +AsmWriteDcr ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Interruption Vector Address Register (IVA). + The size of vector table is 32 K bytes and is 32 K bytes aligned + the low 15 bits of Value is ignored when written. + This function is only available on IPF. + + @param Value The 64-bit value to write to IVA. + + @return The 64-bit value written to the IVA. + +**/ +UINT64 +EFIAPI +AsmWriteIva ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Page Table Address Register (PTA). + No parameter checking is performed on Value. All bits of Value corresponding to + reserved fields of DCR must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to PTA. + + @return The 64-bit value written to the PTA. +**/ +UINT64 +EFIAPI +AsmWritePta ( + IN UINT64 Value + ); + + +/** + Reads the current value of Local Interrupt ID Register (LID). + This function is only available on IPF. + + @return The current value of LID. + +**/ +UINT64 +EFIAPI +AsmReadLid ( + VOID + ); + + +/** + Reads the current value of External Interrupt Vector Register (IVR). + This function is only available on IPF. + + @return The current value of IVR. + +**/ +UINT64 +EFIAPI +AsmReadIvr ( + VOID + ); + + +/** + Reads the current value of Task Priority Register (TPR). + This function is only available on IPF. + + @return The current value of TPR. + +**/ +UINT64 +EFIAPI +AsmReadTpr ( + VOID + ); + + +/** + Reads the current value of External Interrupt Request Register #0 (IRR0). + This function is only available on IPF. + + @return The current value of IRR0. + +**/ +UINT64 +EFIAPI +AsmReadIrr0 ( + VOID + ); + + +/** + Reads the current value of External Interrupt Request Register #1 (IRR1). + This function is only available on IPF. + + @return The current value of IRR1. + +**/ +UINT64 +EFIAPI +AsmReadIrr1 ( + VOID + ); + + +/** + Reads the current value of External Interrupt Request Register #2 (IRR2). + This function is only available on IPF. + + @return The current value of IRR2. + +**/ +UINT64 +EFIAPI +AsmReadIrr2 ( + VOID + ); + + +/** + Reads the current value of External Interrupt Request Register #3 (IRR3). + This function is only available on IPF. + + @return The current value of IRR3. + +**/ +UINT64 +EFIAPI +AsmReadIrr3 ( + VOID + ); + + +/** + Reads the current value of Performance Monitor Vector Register (PMV). + This function is only available on IPF. + + @return The current value of PMV. + +**/ +UINT64 +EFIAPI +AsmReadPmv ( + VOID + ); + + +/** + Reads the current value of Corrected Machine Check Vector Register (CMCV). + This function is only available on IPF. + + @return The current value of CMCV. + +**/ +UINT64 +EFIAPI +AsmReadCmcv ( + VOID + ); + + +/** + Reads the current value of Local Redirection Register #0 (LRR0). + This function is only available on IPF. + + @return The current value of LRR0. + +**/ +UINT64 +EFIAPI +AsmReadLrr0 ( + VOID + ); + + +/** + Reads the current value of Local Redirection Register #1 (LRR1). + This function is only available on IPF. + + @return The current value of LRR1. + +**/ +UINT64 +EFIAPI +AsmReadLrr1 ( + VOID + ); + + +/** + Writes the current value of 64-bit Page Local Interrupt ID Register (LID). + No parameter checking is performed on Value. All bits of Value corresponding to + reserved fields of LID must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to LID. + + @return The 64-bit value written to the LID. + +**/ +UINT64 +EFIAPI +AsmWriteLid ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Task Priority Register (TPR). + No parameter checking is performed on Value. All bits of Value corresponding to + reserved fields of TPR must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to TPR. + + @return The 64-bit value written to the TPR. + +**/ +UINT64 +EFIAPI +AsmWriteTpr ( + IN UINT64 Value + ); + + +/** + Performs a write operation on End OF External Interrupt Register (EOI). + Writes a value of 0 to the EOI Register. This function is only available on IPF. + +**/ +VOID +EFIAPI +AsmWriteEoi ( + VOID + ); + + +/** + Writes the current value of 64-bit Performance Monitor Vector Register (PMV). + No parameter checking is performed on Value. All bits of Value corresponding + to reserved fields of PMV must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to PMV. + + @return The 64-bit value written to the PMV. + +**/ +UINT64 +EFIAPI +AsmWritePmv ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Corrected Machine Check Vector Register (CMCV). + No parameter checking is performed on Value. All bits of Value corresponding + to reserved fields of CMCV must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to CMCV. + + @return The 64-bit value written to the CMCV. + +**/ +UINT64 +EFIAPI +AsmWriteCmcv ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Local Redirection Register #0 (LRR0). + No parameter checking is performed on Value. All bits of Value corresponding + to reserved fields of LRR0 must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to LRR0. + + @return The 64-bit value written to the LRR0. + +**/ +UINT64 +EFIAPI +AsmWriteLrr0 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Local Redirection Register #1 (LRR1). + No parameter checking is performed on Value. All bits of Value corresponding + to reserved fields of LRR1 must be 0 or a Reserved Register/Field fault may occur. + The caller must either guarantee that Value is valid, or the caller must + set up fault handlers to catch the faults. + This function is only available on IPF. + + @param Value The 64-bit value to write to LRR1. + + @return The 64-bit value written to the LRR1. + +**/ +UINT64 +EFIAPI +AsmWriteLrr1 ( + IN UINT64 Value + ); + + +/** + Reads the current value of Instruction Breakpoint Register (IBR). + + The Instruction Breakpoint Registers are used in pairs. The even numbered + registers contain breakpoint addresses, and the odd numbered registers contain + breakpoint mask conditions. At least 4 instruction registers pairs are implemented + on all processor models. Implemented registers are contiguous starting with + register 0. No parameter checking is performed on Index, and if the Index value + is beyond the implemented IBR register range, a Reserved Register/Field fault may + occur. The caller must either guarantee that Index is valid, or the caller must + set up fault handlers to catch the faults. + This function is only available on IPF. + + @param Index The 8-bit Instruction Breakpoint Register index to read. + + @return The current value of Instruction Breakpoint Register specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadIbr ( + IN UINT8 Index + ); + + +/** + Reads the current value of Data Breakpoint Register (DBR). + + The Data Breakpoint Registers are used in pairs. The even numbered registers + contain breakpoint addresses, and odd numbered registers contain breakpoint + mask conditions. At least 4 data registers pairs are implemented on all processor + models. Implemented registers are contiguous starting with register 0. + No parameter checking is performed on Index. If the Index value is beyond + the implemented DBR register range, a Reserved Register/Field fault may occur. + The caller must either guarantee that Index is valid, or the caller must set up + fault handlers to catch the faults. + This function is only available on IPF. + + @param Index The 8-bit Data Breakpoint Register index to read. + + @return The current value of Data Breakpoint Register specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadDbr ( + IN UINT8 Index + ); + + +/** + Reads the current value of Performance Monitor Configuration Register (PMC). + + All processor implementations provide at least 4 performance counters + (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter overflow + status registers (PMC [0]¡ PMC [3]). Processor implementations may provide + additional implementation-dependent PMC and PMD to increase the number of + ¡®generic¡¯ performance counters (PMC/PMD pairs). The remainder of PMC and PMD + register set is implementation dependent. No parameter checking is performed + on Index. If the Index value is beyond the implemented PMC register range, + zero value will be returned. + This function is only available on IPF. + + @param Index The 8-bit Performance Monitor Configuration Register index to read. + + @return The current value of Performance Monitor Configuration Register + specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadPmc ( + IN UINT8 Index + ); + + +/** + Reads the current value of Performance Monitor Data Register (PMD). + + All processor implementations provide at least 4 performance counters + (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter + overflow status registers (PMC [0]¡ PMC [3]). Processor implementations may + provide additional implementation-dependent PMC and PMD to increase the number + of ¡®generic¡¯ performance counters (PMC/PMD pairs). The remainder of PMC and PMD + register set is implementation dependent. No parameter checking is performed + on Index. If the Index value is beyond the implemented PMD register range, + zero value will be returned. + This function is only available on IPF. + + @param Index The 8-bit Performance Monitor Data Register index to read. + + @return The current value of Performance Monitor Data Register specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadPmd ( + IN UINT8 Index + ); + + +/** + Writes the current value of 64-bit Instruction Breakpoint Register (IBR). + + Writes current value of Instruction Breakpoint Register specified by Index. + The Instruction Breakpoint Registers are used in pairs. The even numbered + registers contain breakpoint addresses, and odd numbered registers contain + breakpoint mask conditions. At least 4 instruction registers pairs are implemented + on all processor models. Implemented registers are contiguous starting with + register 0. No parameter checking is performed on Index. If the Index value + is beyond the implemented IBR register range, a Reserved Register/Field fault may + occur. The caller must either guarantee that Index is valid, or the caller must + set up fault handlers to catch the faults. + This function is only available on IPF. + + @param Index The 8-bit Instruction Breakpoint Register index to write. + @param Value The 64-bit value to write to IBR. + + @return The 64-bit value written to the IBR. + +**/ +UINT64 +EFIAPI +AsmWriteIbr ( + IN UINT8 Index, + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Data Breakpoint Register (DBR). + + Writes current value of Data Breakpoint Register specified by Index. + The Data Breakpoint Registers are used in pairs. The even numbered registers + contain breakpoint addresses, and odd numbered registers contain breakpoint + mask conditions. At least 4 data registers pairs are implemented on all processor + models. Implemented registers are contiguous starting with register 0. No parameter + checking is performed on Index. If the Index value is beyond the implemented + DBR register range, a Reserved Register/Field fault may occur. The caller must + either guarantee that Index is valid, or the caller must set up fault handlers to + catch the faults. + This function is only available on IPF. + + @param Index The 8-bit Data Breakpoint Register index to write. + @param Value The 64-bit value to write to DBR. + + @return The 64-bit value written to the DBR. + +**/ +UINT64 +EFIAPI +AsmWriteDbr ( + IN UINT8 Index, + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Performance Monitor Configuration Register (PMC). + + Writes current value of Performance Monitor Configuration Register specified by Index. + All processor implementations provide at least 4 performance counters + (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter overflow status + registers (PMC [0]¡ PMC [3]). Processor implementations may provide additional + implementation-dependent PMC and PMD to increase the number of ¡®generic¡¯ performance + counters (PMC/PMD pairs). The remainder of PMC and PMD register set is implementation + dependent. No parameter checking is performed on Index. If the Index value is + beyond the implemented PMC register range, the write is ignored. + This function is only available on IPF. + + @param Index The 8-bit Performance Monitor Configuration Register index to write. + @param Value The 64-bit value to write to PMC. + + @return The 64-bit value written to the PMC. + +**/ +UINT64 +EFIAPI +AsmWritePmc ( + IN UINT8 Index, + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit Performance Monitor Data Register (PMD). + + Writes current value of Performance Monitor Data Register specified by Index. + All processor implementations provide at least 4 performance counters + (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter overflow + status registers (PMC [0]¡ PMC [3]). Processor implementations may provide + additional implementation-dependent PMC and PMD to increase the number of ¡®generic¡¯ + performance counters (PMC/PMD pairs). The remainder of PMC and PMD register set + is implementation dependent. No parameter checking is performed on Index. If the + Index value is beyond the implemented PMD register range, the write is ignored. + This function is only available on IPF. + + @param Index The 8-bit Performance Monitor Data Register index to write. + @param Value The 64-bit value to write to PMD. + + @return The 64-bit value written to the PMD. + +**/ +UINT64 +EFIAPI +AsmWritePmd ( + IN UINT8 Index, + IN UINT64 Value + ); + + +/** + Reads the current value of 64-bit Global Pointer (GP). + + Reads and returns the current value of GP. + This function is only available on IPF. + + @return The current value of GP. + +**/ +UINT64 +EFIAPI +AsmReadGp ( + VOID + ); + + +/** + Write the current value of 64-bit Global Pointer (GP). + + Writes the current value of GP. The 64-bit value written to the GP is returned. + No parameter checking is performed on Value. + This function is only available on IPF. + + @param Value The 64-bit value to write to GP. + + @return The 64-bit value written to the GP. + +**/ +UINT64 +EFIAPI +AsmWriteGp ( + IN UINT64 Value + ); + + +/** + Reads the current value of 64-bit Stack Pointer (SP). + + Reads and returns the current value of SP. + This function is only available on IPF. + + @return The current value of SP. + +**/ +UINT64 +EFIAPI +AsmReadSp ( + VOID + ); + + +/** + Determines if the CPU is currently executing in virtual, physical, or mixed mode. + + Determines the current execution mode of the CPU. + If the CPU is in virtual mode(PSR.RT=1, PSR.DT=1, PSR.IT=1), then 1 is returned. + If the CPU is in physical mode(PSR.RT=0, PSR.DT=0, PSR.IT=0), then 0 is returned. + If the CPU is not in physical mode or virtual mode, then it is in mixed mode, + and -1 is returned. + This function is only available on IPF. + + @return 1 The CPU is in virtual mode. + @return 0 The CPU is in physical mode. + @return -1 The CPU is in mixed mode. + +**/ +INT64 +EFIAPI +AsmCpuVirtual ( + VOID + ); + + +/** + Makes a PAL procedure call. + + This is a wrapper function to make a PAL procedure call. Based on the Index + value this API will make static or stacked PAL call. The following table + describes the usage of PAL Procedure Index Assignment. Architected procedures + may be designated as required or optional. If a PAL procedure is specified + as optional, a unique return code of 0xFFFFFFFFFFFFFFFF is returned in the + Status field of the PAL_CALL_RETURN structure. + This indicates that the procedure is not present in this PAL implementation. + It is the caller¡¯s responsibility to check for this return code after calling + any optional PAL procedure. + No parameter checking is performed on the 5 input parameters, but there are + some common rules that the caller should follow when making a PAL call. Any + address passed to PAL as buffers for return parameters must be 8-byte aligned. + Unaligned addresses may cause undefined results. For those parameters defined + as reserved or some fields defined as reserved must be zero filled or the invalid + argument return value may be returned or undefined result may occur during the + execution of the procedure. If the PalEntryPoint does not point to a valid + PAL entry point then the system behavior is undefined. This function is only + available on IPF. + + @param PalEntryPoint The PAL procedure calls entry point. + @param Index The PAL procedure Index number. + @param Arg2 The 2nd parameter for PAL procedure calls. + @param Arg3 The 3rd parameter for PAL procedure calls. + @param Arg4 The 4th parameter for PAL procedure calls. + + @return structure returned from the PAL Call procedure, including the status and return value. + +**/ +PAL_CALL_RETURN +EFIAPI +AsmPalCall ( + IN UINT64 PalEntryPoint, + IN UINT64 Index, + IN UINT64 Arg2, + IN UINT64 Arg3, + IN UINT64 Arg4 + ); + + +/** + Transfers control to a function starting with a new stack. + + Transfers control to the function specified by EntryPoint using the new stack + specified by NewStack and passing in the parameters specified by Context1 and + Context2. Context1 and Context2 are optional and may be NULL. The function + EntryPoint must never return. + + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + @param EntryPoint A pointer to function to call with the new stack. + @param Context1 A pointer to the context to pass into the EntryPoint + function. + @param Context2 A pointer to the context to pass into the EntryPoint + function. + @param NewStack A pointer to the new stack to use for the EntryPoint + function. + @param NewBsp A pointer to the new memory location for RSE backing + store. + +**/ +VOID +EFIAPI +AsmSwitchStackAndBackingStore ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack, + IN VOID *NewBsp + ); + + +// +// Bugbug: This call should be removed after +// the PalCall Instance issue has been fixed. +// +/** + Performs a PAL call using static calling convention. + + An internal function to perform a PAL call using static calling convention. + + @param PalEntryPoint The entry point address of PAL. The address in ar.kr5 + would be used if this parameter were NULL on input. + @param Arg1 The first argument of a PAL call. + @param Arg1 The second argument of a PAL call. + @param Arg1 The third argument of a PAL call. + @param Arg1 The fourth argument of a PAL call. + + @return The values returned in r8, r9, r10 and r11. + +**/ +PAL_CALL_RETURN +PalCallStatic ( + IN CONST VOID *PalEntryPoint, + IN UINT64 Arg1, + IN UINT64 Arg2, + IN UINT64 Arg3, + IN UINT64 Arg4 + ); + + +#elif defined (MDE_CPU_IA32) || defined (MDE_CPU_X64) +// +// IA32 and X64 Specific Functions +// +// +// Byte packed structure for 16-bit Real Mode EFLAGS +// +typedef union { + struct { + UINT32 CF:1; // Carry Flag + UINT32 Reserved_0:1; // Reserved + UINT32 PF:1; // Parity Flag + UINT32 Reserved_1:1; // Reserved + UINT32 AF:1; // Auxiliary Carry Flag + UINT32 Reserved_2:1; // Reserved + UINT32 ZF:1; // Zero Flag + UINT32 SF:1; // Sign Flag + UINT32 TF:1; // Trap Flag + UINT32 IF:1; // Interrupt Enable Flag + UINT32 DF:1; // Direction Flag + UINT32 OF:1; // Overflow Flag + UINT32 IOPL:2; // I/O Privilege Level + UINT32 NT:1; // Nested Task + UINT32 Reserved_3:1; // Reserved + } Bits; + UINT16 Uint16; +} IA32_FLAGS16; + +// +// Byte packed structure for EFLAGS/RFLAGS +// 32-bits on IA-32 +// 64-bits on X64. The upper 32-bits on X64 are reserved +// +typedef union { + struct { + UINT32 CF:1; // Carry Flag + UINT32 Reserved_0:1; // Reserved + UINT32 PF:1; // Parity Flag + UINT32 Reserved_1:1; // Reserved + UINT32 AF:1; // Auxiliary Carry Flag + UINT32 Reserved_2:1; // Reserved + UINT32 ZF:1; // Zero Flag + UINT32 SF:1; // Sign Flag + UINT32 TF:1; // Trap Flag + UINT32 IF:1; // Interrupt Enable Flag + UINT32 DF:1; // Direction Flag + UINT32 OF:1; // Overflow Flag + UINT32 IOPL:2; // I/O Privilege Level + UINT32 NT:1; // Nested Task + UINT32 Reserved_3:1; // Reserved + UINT32 RF:1; // Resume Flag + UINT32 VM:1; // Virtual 8086 Mode + UINT32 AC:1; // Alignment Check + UINT32 VIF:1; // Virtual Interrupt Flag + UINT32 VIP:1; // Virtual Interrupt Pending + UINT32 ID:1; // ID Flag + UINT32 Reserved_4:10; // Reserved + } Bits; + UINTN UintN; +} IA32_EFLAGS32; + +// +// Byte packed structure for Control Register 0 (CR0) +// 32-bits on IA-32 +// 64-bits on X64. The upper 32-bits on X64 are reserved +// +typedef union { + struct { + UINT32 PE:1; // Protection Enable + UINT32 MP:1; // Monitor Coprocessor + UINT32 EM:1; // Emulation + UINT32 TS:1; // Task Switched + UINT32 ET:1; // Extension Type + UINT32 NE:1; // Numeric Error + UINT32 Reserved_0:10; // Reserved + UINT32 WP:1; // Write Protect + UINT32 Reserved_1:1; // Reserved + UINT32 AM:1; // Alignment Mask + UINT32 Reserved_2:10; // Reserved + UINT32 NW:1; // Mot Write-through + UINT32 CD:1; // Cache Disable + UINT32 PG:1; // Paging + } Bits; + UINTN UintN; +} IA32_CR0; + +// +// Byte packed structure for Control Register 4 (CR4) +// 32-bits on IA-32 +// 64-bits on X64. The upper 32-bits on X64 are reserved +// +typedef union { + struct { + UINT32 VME:1; // Virtual-8086 Mode Extensions + UINT32 PVI:1; // Protected-Mode Virtual Interrupts + UINT32 TSD:1; // Time Stamp Disable + UINT32 DE:1; // Debugging Extensions + UINT32 PSE:1; // Page Size Extensions + UINT32 PAE:1; // Physical Address Extension + UINT32 MCE:1; // Machine Check Enable + UINT32 PGE:1; // Page Global Enable + UINT32 PCE:1; // Performance Monitoring Counter + // Enable + UINT32 OSFXSR:1; // Operating System Support for + // FXSAVE and FXRSTOR instructions + UINT32 OSXMMEXCPT:1; // Operating System Support for + // Unmasked SIMD Floating Point + // Exceptions + UINT32 Reserved_0:2; // Reserved + UINT32 VMXE:1; // VMX Enable + UINT32 Reserved_1:18; // Reseved + } Bits; + UINTN UintN; +} IA32_CR4; + +// +// Byte packed structure for an IDTR, GDTR, LDTR descriptor +/// @bug How to make this structure byte-packed in a compiler independent way? +// +#pragma pack (1) +typedef struct { + UINT16 Limit; + UINTN Base; +} IA32_DESCRIPTOR; +#pragma pack () + +#define IA32_IDT_GATE_TYPE_TASK 0x85 +#define IA32_IDT_GATE_TYPE_INTERRUPT_16 0x86 +#define IA32_IDT_GATE_TYPE_TRAP_16 0x87 +#define IA32_IDT_GATE_TYPE_INTERRUPT_32 0x8E +#define IA32_IDT_GATE_TYPE_TRAP_32 0x8F + +// +// Byte packed structure for an Interrupt Gate Descriptor +// +typedef union { + struct { + UINT32 OffsetLow:16; // Offset bits 15..0 + UINT32 Selector:16; // Selector + UINT32 Reserved_0:8; // Reserved + UINT32 GateType:8; // Gate Type. See #defines above + UINT32 OffsetHigh:16; // Offset bits 31..16 + } Bits; + UINT64 Uint64; +} IA32_IDT_GATE_DESCRIPTOR; + +// +// Byte packed structure for an FP/SSE/SSE2 context +// +typedef struct { + UINT8 Buffer[512]; +} IA32_FX_BUFFER; + +// +// Structures for the 16-bit real mode thunks +// +typedef struct { + UINT32 Reserved1; + UINT32 Reserved2; + UINT32 Reserved3; + UINT32 Reserved4; + UINT8 BL; + UINT8 BH; + UINT16 Reserved5; + UINT8 DL; + UINT8 DH; + UINT16 Reserved6; + UINT8 CL; + UINT8 CH; + UINT16 Reserved7; + UINT8 AL; + UINT8 AH; + UINT16 Reserved8; +} IA32_BYTE_REGS; + +typedef struct { + UINT16 DI; + UINT16 Reserved1; + UINT16 SI; + UINT16 Reserved2; + UINT16 BP; + UINT16 Reserved3; + UINT16 SP; + UINT16 Reserved4; + UINT16 BX; + UINT16 Reserved5; + UINT16 DX; + UINT16 Reserved6; + UINT16 CX; + UINT16 Reserved7; + UINT16 AX; + UINT16 Reserved8; +} IA32_WORD_REGS; + +typedef struct { + UINT32 EDI; + UINT32 ESI; + UINT32 EBP; + UINT32 ESP; + UINT32 EBX; + UINT32 EDX; + UINT32 ECX; + UINT32 EAX; + UINT16 DS; + UINT16 ES; + UINT16 FS; + UINT16 GS; + IA32_EFLAGS32 EFLAGS; + UINT32 Eip; + UINT16 CS; + UINT16 SS; +} IA32_DWORD_REGS; + +typedef union { + IA32_DWORD_REGS E; + IA32_WORD_REGS X; + IA32_BYTE_REGS H; +} IA32_REGISTER_SET; + +// +// Byte packed structure for an 16-bit real mode thunks +// +typedef struct { + IA32_REGISTER_SET *RealModeState; + VOID *RealModeBuffer; + UINT32 RealModeBufferSize; + UINT32 ThunkAttributes; +} THUNK_CONTEXT; + +#define THUNK_ATTRIBUTE_BIG_REAL_MODE 0x00000001 +#define THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 0x00000002 +#define THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL 0x00000004 + +/** + Retrieves CPUID information. + + Executes the CPUID instruction with EAX set to the value specified by Index. + This function always returns Index. + If Eax is not NULL, then the value of EAX after CPUID is returned in Eax. + If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx. + If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx. + If Edx is not NULL, then the value of EDX after CPUID is returned in Edx. + This function is only available on IA-32 and X64. + + @param Index The 32-bit value to load into EAX prior to invoking the CPUID + instruction. + @param Eax Pointer to the 32-bit EAX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + @param Ebx Pointer to the 32-bit EBX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + @param Ecx Pointer to the 32-bit ECX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + @param Edx Pointer to the 32-bit EDX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + + @return Index + +**/ +UINT32 +EFIAPI +AsmCpuid ( + IN UINT32 Index, + OUT UINT32 *Eax, OPTIONAL + OUT UINT32 *Ebx, OPTIONAL + OUT UINT32 *Ecx, OPTIONAL + OUT UINT32 *Edx OPTIONAL + ); + + +/** + Retrieves CPUID information using an extended leaf identifier. + + Executes the CPUID instruction with EAX set to the value specified by Index + and ECX set to the value specified by SubIndex. This function always returns + Index. This function is only available on IA-32 and x64. + + If Eax is not NULL, then the value of EAX after CPUID is returned in Eax. + If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx. + If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx. + If Edx is not NULL, then the value of EDX after CPUID is returned in Edx. + + @param Index The 32-bit value to load into EAX prior to invoking the + CPUID instruction. + @param SubIndex The 32-bit value to load into ECX prior to invoking the + CPUID instruction. + @param Eax Pointer to the 32-bit EAX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + @param Ebx Pointer to the 32-bit EBX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + @param Ecx Pointer to the 32-bit ECX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + @param Edx Pointer to the 32-bit EDX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + + @return Index + +**/ +UINT32 +EFIAPI +AsmCpuidEx ( + IN UINT32 Index, + IN UINT32 SubIndex, + OUT UINT32 *Eax, OPTIONAL + OUT UINT32 *Ebx, OPTIONAL + OUT UINT32 *Ecx, OPTIONAL + OUT UINT32 *Edx OPTIONAL + ); + + +/** + Returns the lower 32-bits of a Machine Specific Register(MSR). + + Reads and returns the lower 32-bits of the MSR specified by Index. + No parameter checking is performed on Index, and some Index values may cause + CPU exceptions. The caller must either guarantee that Index is valid, or the + caller must set up exception handlers to catch the exceptions. This function + is only available on IA-32 and X64. + + @param Index The 32-bit MSR index to read. + + @return The lower 32 bits of the MSR identified by Index. + +**/ +UINT32 +EFIAPI +AsmReadMsr32 ( + IN UINT32 Index + ); + + +/** + Zero-extend a 32-bit value and writes it to a Machine Specific Register(MSR). + + Writes the 32-bit value specified by Value to the MSR specified by Index. The + upper 32-bits of the MSR write are set to zero. The 32-bit value written to + the MSR is returned. No parameter checking is performed on Index or Value, + and some of these may cause CPU exceptions. The caller must either guarantee + that Index and Value are valid, or the caller must establish proper exception + handlers. This function is only available on IA-32 and X64. + + @param Index The 32-bit MSR index to write. + @param Value The 32-bit value to write to the MSR. + + @return Value + +**/ +UINT32 +EFIAPI +AsmWriteMsr32 ( + IN UINT32 Index, + IN UINT32 Value + ); + + +/** + Reads a 64-bit MSR, performs a bitwise inclusive OR on the lower 32-bits, and + writes the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise inclusive OR + between the lower 32-bits of the read result and the value specified by + OrData, and writes the result to the 64-bit MSR specified by Index. The lower + 32-bits of the value written to the MSR is returned. No parameter checking is + performed on Index or OrData, and some of these may cause CPU exceptions. The + caller must either guarantee that Index and OrData are valid, or the caller + must establish proper exception handlers. This function is only available on + IA-32 and X64. + + @param Index The 32-bit MSR index to write. + @param OrData The value to OR with the read value from the MSR. + + @return The lower 32-bit value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrOr32 ( + IN UINT32 Index, + IN UINT32 OrData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND on the lower 32-bits, and writes + the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + lower 32-bits of the read result and the value specified by AndData, and + writes the result to the 64-bit MSR specified by Index. The lower 32-bits of + the value written to the MSR is returned. No parameter checking is performed + on Index or AndData, and some of these may cause CPU exceptions. The caller + must either guarantee that Index and AndData are valid, or the caller must + establish proper exception handlers. This function is only available on IA-32 + and X64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + + @return The lower 32-bit value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrAnd32 ( + IN UINT32 Index, + IN UINT32 AndData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise inclusive OR + on the lower 32-bits, and writes the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + lower 32-bits of the read result and the value specified by AndData + preserving the upper 32-bits, performs a bitwise inclusive OR between the + result of the AND operation and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Address. The lower 32-bits of the value + written to the MSR is returned. No parameter checking is performed on Index, + AndData, or OrData, and some of these may cause CPU exceptions. The caller + must either guarantee that Index, AndData, and OrData are valid, or the + caller must establish proper exception handlers. This function is only + available on IA-32 and X64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + @param OrData The value to OR with the result of the AND operation. + + @return The lower 32-bit value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrAndThenOr32 ( + IN UINT32 Index, + IN UINT32 AndData, + IN UINT32 OrData + ); + + +/** + Reads a bit field of an MSR. + + Reads the bit field in the lower 32-bits of a 64-bit MSR. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. The caller must either guarantee that Index is valid, or the caller + must set up exception handlers to catch the exceptions. This function is only + available on IA-32 and X64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The bit field read from the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldRead32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to an MSR. + + Writes Value to a bit field in the lower 32-bits of a 64-bit MSR. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination MSR are preserved. The lower 32-bits of the MSR written is + returned. Extra left bits in Value are stripped. The caller must either + guarantee that Index and the data written is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and X64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldWrite32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise OR, and writes the + result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Index. The lower 32-bits of the value + written to the MSR are returned. Extra left bits in OrData are stripped. The + caller must either guarantee that Index and the data written is valid, or + the caller must set up exception handlers to catch the exceptions. This + function is only available on IA-32 and X64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the read value from the MSR. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldOr32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the + result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + read result and the value specified by AndData, and writes the result to the + 64-bit MSR specified by Index. The lower 32-bits of the value written to the + MSR are returned. Extra left bits in AndData are stripped. The caller must + either guarantee that Index and the data written is valid, or the caller must + set up exception handlers to catch the exceptions. This function is only + available on IA-32 and X64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the MSR. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldAnd32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a + bitwise inclusive OR, and writes the result back to the bit field in the + 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by a + bitwise inclusive OR between the read result and the value specified by + AndData, and writes the result to the 64-bit MSR specified by Index. The + lower 32-bits of the value written to the MSR are returned. Extra left bits + in both AndData and OrData are stripped. The caller must either guarantee + that Index and the data written is valid, or the caller must set up exception + handlers to catch the exceptions. This function is only available on IA-32 + and X64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the MSR. + @param OrData The value to OR with the result of the AND operation. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldAndThenOr32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + + +/** + Returns a 64-bit Machine Specific Register(MSR). + + Reads and returns the 64-bit MSR specified by Index. No parameter checking is + performed on Index, and some Index values may cause CPU exceptions. The + caller must either guarantee that Index is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and X64. + + @param Index The 32-bit MSR index to read. + + @return The value of the MSR identified by Index. + +**/ +UINT64 +EFIAPI +AsmReadMsr64 ( + IN UINT32 Index + ); + + +/** + Writes a 64-bit value to a Machine Specific Register(MSR), and returns the + value. + + Writes the 64-bit value specified by Value to the MSR specified by Index. The + 64-bit value written to the MSR is returned. No parameter checking is + performed on Index or Value, and some of these may cause CPU exceptions. The + caller must either guarantee that Index and Value are valid, or the caller + must establish proper exception handlers. This function is only available on + IA-32 and X64. + + @param Index The 32-bit MSR index to write. + @param Value The 64-bit value to write to the MSR. + + @return Value + +**/ +UINT64 +EFIAPI +AsmWriteMsr64 ( + IN UINT32 Index, + IN UINT64 Value + ); + + +/** + Reads a 64-bit MSR, performs a bitwise inclusive OR, and writes the result + back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Index. The value written to the MSR is + returned. No parameter checking is performed on Index or OrData, and some of + these may cause CPU exceptions. The caller must either guarantee that Index + and OrData are valid, or the caller must establish proper exception handlers. + This function is only available on IA-32 and X64. + + @param Index The 32-bit MSR index to write. + @param OrData The value to OR with the read value from the MSR. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrOr64 ( + IN UINT32 Index, + IN UINT64 OrData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND, and writes the result back to the + 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + read result and the value specified by OrData, and writes the result to the + 64-bit MSR specified by Index. The value written to the MSR is returned. No + parameter checking is performed on Index or OrData, and some of these may + cause CPU exceptions. The caller must either guarantee that Index and OrData + are valid, or the caller must establish proper exception handlers. This + function is only available on IA-32 and X64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrAnd64 ( + IN UINT32 Index, + IN UINT64 AndData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise inclusive + OR, and writes the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between read + result and the value specified by AndData, performs a bitwise inclusive OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 64-bit MSR specified by Index. The value written + to the MSR is returned. No parameter checking is performed on Index, AndData, + or OrData, and some of these may cause CPU exceptions. The caller must either + guarantee that Index, AndData, and OrData are valid, or the caller must + establish proper exception handlers. This function is only available on IA-32 + and X64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrAndThenOr64 ( + IN UINT32 Index, + IN UINT64 AndData, + IN UINT64 OrData + ); + + +/** + Reads a bit field of an MSR. + + Reads the bit field in the 64-bit MSR. The bit field is specified by the + StartBit and the EndBit. The value of the bit field is returned. The caller + must either guarantee that Index is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and X64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read from the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldRead64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to an MSR. + + Writes Value to a bit field in a 64-bit MSR. The bit field is specified by + the StartBit and the EndBit. All other bits in the destination MSR are + preserved. The MSR written is returned. Extra left bits in Value are + stripped. The caller must either guarantee that Index and the data written is + valid, or the caller must set up exception handlers to catch the exceptions. + This function is only available on IA-32 and X64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldWrite64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise inclusive OR, and + writes the result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Index. The value written to the MSR is + returned. Extra left bits in OrData are stripped. The caller must either + guarantee that Index and the data written is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and X64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with the read value from the bit field. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldOr64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the + result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + read result and the value specified by AndData, and writes the result to the + 64-bit MSR specified by Index. The value written to the MSR is returned. + Extra left bits in AndData are stripped. The caller must either guarantee + that Index and the data written is valid, or the caller must set up exception + handlers to catch the exceptions. This function is only available on IA-32 + and X64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the bit field. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldAnd64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a + bitwise inclusive OR, and writes the result back to the bit field in the + 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by + a bitwise inclusive OR between the read result and the value specified by + AndData, and writes the result to the 64-bit MSR specified by Index. The + value written to the MSR is returned. Extra left bits in both AndData and + OrData are stripped. The caller must either guarantee that Index and the data + written is valid, or the caller must set up exception handlers to catch the + exceptions. This function is only available on IA-32 and X64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the bit field. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldAndThenOr64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + + +/** + Reads the current value of the EFLAGS register. + + Reads and returns the current value of the EFLAGS register. This function is + only available on IA-32 and X64. This returns a 32-bit value on IA-32 and a + 64-bit value on X64. + + @return EFLAGS on IA-32 or RFLAGS on X64. + +**/ +UINTN +EFIAPI +AsmReadEflags ( + VOID + ); + + +/** + Reads the current value of the Control Register 0 (CR0). + + Reads and returns the current value of CR0. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of the Control Register 0 (CR0). + +**/ +UINTN +EFIAPI +AsmReadCr0 ( + VOID + ); + + +/** + Reads the current value of the Control Register 2 (CR2). + + Reads and returns the current value of CR2. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of the Control Register 2 (CR2). + +**/ +UINTN +EFIAPI +AsmReadCr2 ( + VOID + ); + + +/** + Reads the current value of the Control Register 3 (CR3). + + Reads and returns the current value of CR3. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of the Control Register 3 (CR3). + +**/ +UINTN +EFIAPI +AsmReadCr3 ( + VOID + ); + + +/** + Reads the current value of the Control Register 4 (CR4). + + Reads and returns the current value of CR4. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of the Control Register 4 (CR4). + +**/ +UINTN +EFIAPI +AsmReadCr4 ( + VOID + ); + + +/** + Writes a value to Control Register 0 (CR0). + + Writes and returns a new value to CR0. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Cr0 The value to write to CR0. + + @return The value written to CR0. + +**/ +UINTN +EFIAPI +AsmWriteCr0 ( + UINTN Cr0 + ); + + +/** + Writes a value to Control Register 2 (CR2). + + Writes and returns a new value to CR2. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Cr2 The value to write to CR2. + + @return The value written to CR2. + +**/ +UINTN +EFIAPI +AsmWriteCr2 ( + UINTN Cr2 + ); + + +/** + Writes a value to Control Register 3 (CR3). + + Writes and returns a new value to CR3. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Cr3 The value to write to CR3. + + @return The value written to CR3. + +**/ +UINTN +EFIAPI +AsmWriteCr3 ( + UINTN Cr3 + ); + + +/** + Writes a value to Control Register 4 (CR4). + + Writes and returns a new value to CR4. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Cr4 The value to write to CR4. + + @return The value written to CR4. + +**/ +UINTN +EFIAPI +AsmWriteCr4 ( + UINTN Cr4 + ); + + +/** + Reads the current value of Debug Register 0 (DR0). + + Reads and returns the current value of DR0. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 0 (DR0). + +**/ +UINTN +EFIAPI +AsmReadDr0 ( + VOID + ); + + +/** + Reads the current value of Debug Register 1 (DR1). + + Reads and returns the current value of DR1. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 1 (DR1). + +**/ +UINTN +EFIAPI +AsmReadDr1 ( + VOID + ); + + +/** + Reads the current value of Debug Register 2 (DR2). + + Reads and returns the current value of DR2. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 2 (DR2). + +**/ +UINTN +EFIAPI +AsmReadDr2 ( + VOID + ); + + +/** + Reads the current value of Debug Register 3 (DR3). + + Reads and returns the current value of DR3. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 3 (DR3). + +**/ +UINTN +EFIAPI +AsmReadDr3 ( + VOID + ); + + +/** + Reads the current value of Debug Register 4 (DR4). + + Reads and returns the current value of DR4. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 4 (DR4). + +**/ +UINTN +EFIAPI +AsmReadDr4 ( + VOID + ); + + +/** + Reads the current value of Debug Register 5 (DR5). + + Reads and returns the current value of DR5. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 5 (DR5). + +**/ +UINTN +EFIAPI +AsmReadDr5 ( + VOID + ); + + +/** + Reads the current value of Debug Register 6 (DR6). + + Reads and returns the current value of DR6. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 6 (DR6). + +**/ +UINTN +EFIAPI +AsmReadDr6 ( + VOID + ); + + +/** + Reads the current value of Debug Register 7 (DR7). + + Reads and returns the current value of DR7. This function is only available + on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on + X64. + + @return The value of Debug Register 7 (DR7). + +**/ +UINTN +EFIAPI +AsmReadDr7 ( + VOID + ); + + +/** + Writes a value to Debug Register 0 (DR0). + + Writes and returns a new value to DR0. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr0 The value to write to Dr0. + + @return The value written to Debug Register 0 (DR0). + +**/ +UINTN +EFIAPI +AsmWriteDr0 ( + UINTN Dr0 + ); + + +/** + Writes a value to Debug Register 1 (DR1). + + Writes and returns a new value to DR1. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr1 The value to write to Dr1. + + @return The value written to Debug Register 1 (DR1). + +**/ +UINTN +EFIAPI +AsmWriteDr1 ( + UINTN Dr1 + ); + + +/** + Writes a value to Debug Register 2 (DR2). + + Writes and returns a new value to DR2. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr2 The value to write to Dr2. + + @return The value written to Debug Register 2 (DR2). + +**/ +UINTN +EFIAPI +AsmWriteDr2 ( + UINTN Dr2 + ); + + +/** + Writes a value to Debug Register 3 (DR3). + + Writes and returns a new value to DR3. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr3 The value to write to Dr3. + + @return The value written to Debug Register 3 (DR3). + +**/ +UINTN +EFIAPI +AsmWriteDr3 ( + UINTN Dr3 + ); + + +/** + Writes a value to Debug Register 4 (DR4). + + Writes and returns a new value to DR4. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr4 The value to write to Dr4. + + @return The value written to Debug Register 4 (DR4). + +**/ +UINTN +EFIAPI +AsmWriteDr4 ( + UINTN Dr4 + ); + + +/** + Writes a value to Debug Register 5 (DR5). + + Writes and returns a new value to DR5. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr5 The value to write to Dr5. + + @return The value written to Debug Register 5 (DR5). + +**/ +UINTN +EFIAPI +AsmWriteDr5 ( + UINTN Dr5 + ); + + +/** + Writes a value to Debug Register 6 (DR6). + + Writes and returns a new value to DR6. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr6 The value to write to Dr6. + + @return The value written to Debug Register 6 (DR6). + +**/ +UINTN +EFIAPI +AsmWriteDr6 ( + UINTN Dr6 + ); + + +/** + Writes a value to Debug Register 7 (DR7). + + Writes and returns a new value to DR7. This function is only available on + IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64. + + @param Dr7 The value to write to Dr7. + + @return The value written to Debug Register 7 (DR7). + +**/ +UINTN +EFIAPI +AsmWriteDr7 ( + UINTN Dr7 + ); + + +/** + Reads the current value of Code Segment Register (CS). + + Reads and returns the current value of CS. This function is only available on + IA-32 and X64. + + @return The current value of CS. + +**/ +UINT16 +EFIAPI +AsmReadCs ( + VOID + ); + + +/** + Reads the current value of Data Segment Register (DS). + + Reads and returns the current value of DS. This function is only available on + IA-32 and X64. + + @return The current value of DS. + +**/ +UINT16 +EFIAPI +AsmReadDs ( + VOID + ); + + +/** + Reads the current value of Extra Segment Register (ES). + + Reads and returns the current value of ES. This function is only available on + IA-32 and X64. + + @return The current value of ES. + +**/ +UINT16 +EFIAPI +AsmReadEs ( + VOID + ); + + +/** + Reads the current value of FS Data Segment Register (FS). + + Reads and returns the current value of FS. This function is only available on + IA-32 and X64. + + @return The current value of FS. + +**/ +UINT16 +EFIAPI +AsmReadFs ( + VOID + ); + + +/** + Reads the current value of GS Data Segment Register (GS). + + Reads and returns the current value of GS. This function is only available on + IA-32 and X64. + + @return The current value of GS. + +**/ +UINT16 +EFIAPI +AsmReadGs ( + VOID + ); + + +/** + Reads the current value of Stack Segment Register (SS). + + Reads and returns the current value of SS. This function is only available on + IA-32 and X64. + + @return The current value of SS. + +**/ +UINT16 +EFIAPI +AsmReadSs ( + VOID + ); + + +/** + Reads the current value of Task Register (TR). + + Reads and returns the current value of TR. This function is only available on + IA-32 and X64. + + @return The current value of TR. + +**/ +UINT16 +EFIAPI +AsmReadTr ( + VOID + ); + + +/** + Reads the current Global Descriptor Table Register(GDTR) descriptor. + + Reads and returns the current GDTR descriptor and returns it in Gdtr. This + function is only available on IA-32 and X64. + + If Gdtr is NULL, then ASSERT(). + + @param Gdtr Pointer to a GDTR descriptor. + +**/ +VOID +EFIAPI +AsmReadGdtr ( + OUT IA32_DESCRIPTOR *Gdtr + ); + + +/** + Writes the current Global Descriptor Table Register (GDTR) descriptor. + + Writes and the current GDTR descriptor specified by Gdtr. This function is + only available on IA-32 and X64. + + If Gdtr is NULL, then ASSERT(). + + @param Gdtr Pointer to a GDTR descriptor. + +**/ +VOID +EFIAPI +AsmWriteGdtr ( + IN CONST IA32_DESCRIPTOR *Gdtr + ); + + +/** + Reads the current Interrupt Descriptor Table Register(GDTR) descriptor. + + Reads and returns the current IDTR descriptor and returns it in Idtr. This + function is only available on IA-32 and X64. + + If Idtr is NULL, then ASSERT(). + + @param Idtr Pointer to a IDTR descriptor. + +**/ +VOID +EFIAPI +AsmReadIdtr ( + OUT IA32_DESCRIPTOR *Idtr + ); + + +/** + Writes the current Interrupt Descriptor Table Register(GDTR) descriptor. + + Writes the current IDTR descriptor and returns it in Idtr. This function is + only available on IA-32 and X64. + + If Idtr is NULL, then ASSERT(). + + @param Idtr Pointer to a IDTR descriptor. + +**/ +VOID +EFIAPI +AsmWriteIdtr ( + IN CONST IA32_DESCRIPTOR *Idtr + ); + + +/** + Reads the current Local Descriptor Table Register(LDTR) selector. + + Reads and returns the current 16-bit LDTR descriptor value. This function is + only available on IA-32 and X64. + + @return The current selector of LDT. + +**/ +UINT16 +EFIAPI +AsmReadLdtr ( + VOID + ); + + +/** + Writes the current Local Descriptor Table Register (GDTR) selector. + + Writes and the current LDTR descriptor specified by Ldtr. This function is + only available on IA-32 and X64. + + @param Ldtr 16-bit LDTR selector value. + +**/ +VOID +EFIAPI +AsmWriteLdtr ( + IN UINT16 Ldtr + ); + + +/** + Save the current floating point/SSE/SSE2 context to a buffer. + + Saves the current floating point/SSE/SSE2 state to the buffer specified by + Buffer. Buffer must be aligned on a 16-byte boundary. This function is only + available on IA-32 and X64. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-byte boundary, then ASSERT(). + + @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context. + +**/ +VOID +EFIAPI +AsmFxSave ( + OUT IA32_FX_BUFFER *Buffer + ); + + +/** + Restores the current floating point/SSE/SSE2 context from a buffer. + + Restores the current floating point/SSE/SSE2 state from the buffer specified + by Buffer. Buffer must be aligned on a 16-byte boundary. This function is + only available on IA-32 and X64. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-byte boundary, then ASSERT(). + If Buffer was not saved with AsmFxSave(), then ASSERT(). + + @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context. + +**/ +VOID +EFIAPI +AsmFxRestore ( + IN CONST IA32_FX_BUFFER *Buffer + ); + + +/** + Reads the current value of 64-bit MMX Register #0 (MM0). + + Reads and returns the current value of MM0. This function is only available + on IA-32 and X64. + + @return The current value of MM0. + +**/ +UINT64 +EFIAPI +AsmReadMm0 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #1 (MM1). + + Reads and returns the current value of MM1. This function is only available + on IA-32 and X64. + + @return The current value of MM1. + +**/ +UINT64 +EFIAPI +AsmReadMm1 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #2 (MM2). + + Reads and returns the current value of MM2. This function is only available + on IA-32 and X64. + + @return The current value of MM2. + +**/ +UINT64 +EFIAPI +AsmReadMm2 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #3 (MM3). + + Reads and returns the current value of MM3. This function is only available + on IA-32 and X64. + + @return The current value of MM3. + +**/ +UINT64 +EFIAPI +AsmReadMm3 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #4 (MM4). + + Reads and returns the current value of MM4. This function is only available + on IA-32 and X64. + + @return The current value of MM4. + +**/ +UINT64 +EFIAPI +AsmReadMm4 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #5 (MM5). + + Reads and returns the current value of MM5. This function is only available + on IA-32 and X64. + + @return The current value of MM5. + +**/ +UINT64 +EFIAPI +AsmReadMm5 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #6 (MM6). + + Reads and returns the current value of MM6. This function is only available + on IA-32 and X64. + + @return The current value of MM6. + +**/ +UINT64 +EFIAPI +AsmReadMm6 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #7 (MM7). + + Reads and returns the current value of MM7. This function is only available + on IA-32 and X64. + + @return The current value of MM7. + +**/ +UINT64 +EFIAPI +AsmReadMm7 ( + VOID + ); + + +/** + Writes the current value of 64-bit MMX Register #0 (MM0). + + Writes the current value of MM0. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM0. + +**/ +VOID +EFIAPI +AsmWriteMm0 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #1 (MM1). + + Writes the current value of MM1. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM1. + +**/ +VOID +EFIAPI +AsmWriteMm1 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #2 (MM2). + + Writes the current value of MM2. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM2. + +**/ +VOID +EFIAPI +AsmWriteMm2 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #3 (MM3). + + Writes the current value of MM3. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM3. + +**/ +VOID +EFIAPI +AsmWriteMm3 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #4 (MM4). + + Writes the current value of MM4. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM4. + +**/ +VOID +EFIAPI +AsmWriteMm4 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #5 (MM5). + + Writes the current value of MM5. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM5. + +**/ +VOID +EFIAPI +AsmWriteMm5 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #6 (MM6). + + Writes the current value of MM6. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM6. + +**/ +VOID +EFIAPI +AsmWriteMm6 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #7 (MM7). + + Writes the current value of MM7. This function is only available on IA32 and + X64. + + @param Value The 64-bit value to write to MM7. + +**/ +VOID +EFIAPI +AsmWriteMm7 ( + IN UINT64 Value + ); + + +/** + Reads the current value of Time Stamp Counter (TSC). + + Reads and returns the current value of TSC. This function is only available + on IA-32 and X64. + + @return The current value of TSC + +**/ +UINT64 +EFIAPI +AsmReadTsc ( + VOID + ); + + +/** + Reads the current value of a Performance Counter (PMC). + + Reads and returns the current value of performance counter specified by + Index. This function is only available on IA-32 and X64. + + @param Index The 32-bit Performance Counter index to read. + + @return The value of the PMC specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadPmc ( + IN UINT32 Index + ); + + +/** + Sets up a monitor buffer that is used by AsmMwait(). + + Executes a MONITOR instruction with the register state specified by Eax, Ecx + and Edx. Returns Eax. This function is only available on IA-32 and X64. + + @param Eax The value to load into EAX or RAX before executing the MONITOR + instruction. + @param Ecx The value to load into ECX or RCX before executing the MONITOR + instruction. + @param Edx The value to load into EDX or RDX before executing the MONITOR + instruction. + + @return Eax + +**/ +UINTN +EFIAPI +AsmMonitor ( + IN UINTN Eax, + IN UINTN Ecx, + IN UINTN Edx + ); + + +/** + Executes an MWAIT instruction. + + Executes an MWAIT instruction with the register state specified by Eax and + Ecx. Returns Eax. This function is only available on IA-32 and X64. + + @param Eax The value to load into EAX or RAX before executing the MONITOR + instruction. + @param Ecx The value to load into ECX or RCX before executing the MONITOR + instruction. + + @return Eax + +**/ +UINTN +EFIAPI +AsmMwait ( + IN UINTN Eax, + IN UINTN Ecx + ); + + +/** + Executes a WBINVD instruction. + + Executes a WBINVD instruction. This function is only available on IA-32 and + X64. + +**/ +VOID +EFIAPI +AsmWbinvd ( + VOID + ); + + +/** + Executes a INVD instruction. + + Executes a INVD instruction. This function is only available on IA-32 and + X64. + +**/ +VOID +EFIAPI +AsmInvd ( + VOID + ); + + +/** + Flushes a cache line from all the instruction and data caches within the + coherency domain of the CPU. + + Flushed the cache line specified by LinearAddress, and returns LinearAddress. + This function is only available on IA-32 and X64. + + @param LinearAddress The address of the cache line to flush. If the CPU is + in a physical addressing mode, then LinearAddress is a + physical address. If the CPU is in a virtual + addressing mode, then LinearAddress is a virtual + address. + + @return LinearAddress +**/ +VOID * +EFIAPI +AsmFlushCacheLine ( + IN VOID *LinearAddress + ); + + +/** + Enables the 32-bit paging mode on the CPU. + + Enables the 32-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables + must be properly initialized prior to calling this service. This function + assumes the current execution mode is 32-bit protected mode. This function is + only available on IA-32. After the 32-bit paging mode is enabled, control is + transferred to the function specified by EntryPoint using the new stack + specified by NewStack and passing in the parameters specified by Context1 and + Context2. Context1 and Context2 are optional and may be NULL. The function + EntryPoint must never return. + + If the current execution mode is not 32-bit protected mode, then ASSERT(). + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + There are a number of constraints that must be followed before calling this + function: + 1) Interrupts must be disabled. + 2) The caller must be in 32-bit protected mode with flat descriptors. This + means all descriptors must have a base of 0 and a limit of 4GB. + 3) CR0 and CR4 must be compatible with 32-bit protected mode with flat + descriptors. + 4) CR3 must point to valid page tables that will be used once the transition + is complete, and those page tables must guarantee that the pages for this + function and the stack are identity mapped. + + @param EntryPoint A pointer to function to call with the new stack after + paging is enabled. + @param Context1 A pointer to the context to pass into the EntryPoint + function as the first parameter after paging is enabled. + @param Context2 A pointer to the context to pass into the EntryPoint + function as the second parameter after paging is enabled. + @param NewStack A pointer to the new stack to use for the EntryPoint + function after paging is enabled. + +**/ +VOID +EFIAPI +AsmEnablePaging32 ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack + ); + + +/** + Disables the 32-bit paging mode on the CPU. + + Disables the 32-bit paging mode on the CPU and returns to 32-bit protected + mode. This function assumes the current execution mode is 32-paged protected + mode. This function is only available on IA-32. After the 32-bit paging mode + is disabled, control is transferred to the function specified by EntryPoint + using the new stack specified by NewStack and passing in the parameters + specified by Context1 and Context2. Context1 and Context2 are optional and + may be NULL. The function EntryPoint must never return. + + If the current execution mode is not 32-bit paged mode, then ASSERT(). + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + There are a number of constraints that must be followed before calling this + function: + 1) Interrupts must be disabled. + 2) The caller must be in 32-bit paged mode. + 3) CR0, CR3, and CR4 must be compatible with 32-bit paged mode. + 4) CR3 must point to valid page tables that guarantee that the pages for + this function and the stack are identity mapped. + + @param EntryPoint A pointer to function to call with the new stack after + paging is disabled. + @param Context1 A pointer to the context to pass into the EntryPoint + function as the first parameter after paging is disabled. + @param Context2 A pointer to the context to pass into the EntryPoint + function as the second parameter after paging is + disabled. + @param NewStack A pointer to the new stack to use for the EntryPoint + function after paging is disabled. + +**/ +VOID +EFIAPI +AsmDisablePaging32 ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack + ); + + +/** + Enables the 64-bit paging mode on the CPU. + + Enables the 64-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables + must be properly initialized prior to calling this service. This function + assumes the current execution mode is 32-bit protected mode with flat + descriptors. This function is only available on IA-32. After the 64-bit + paging mode is enabled, control is transferred to the function specified by + EntryPoint using the new stack specified by NewStack and passing in the + parameters specified by Context1 and Context2. Context1 and Context2 are + optional and may be 0. The function EntryPoint must never return. + + If the current execution mode is not 32-bit protected mode with flat + descriptors, then ASSERT(). + If EntryPoint is 0, then ASSERT(). + If NewStack is 0, then ASSERT(). + + @param Cs The 16-bit selector to load in the CS before EntryPoint + is called. The descriptor in the GDT that this selector + references must be setup for long mode. + @param EntryPoint The 64-bit virtual address of the function to call with + the new stack after paging is enabled. + @param Context1 The 64-bit virtual address of the context to pass into + the EntryPoint function as the first parameter after + paging is enabled. + @param Context2 The 64-bit virtual address of the context to pass into + the EntryPoint function as the second parameter after + paging is enabled. + @param NewStack The 64-bit virtual address of the new stack to use for + the EntryPoint function after paging is enabled. + +**/ +VOID +EFIAPI +AsmEnablePaging64 ( + IN UINT16 CodeSelector, + IN UINT64 EntryPoint, + IN UINT64 Context1, OPTIONAL + IN UINT64 Context2, OPTIONAL + IN UINT64 NewStack + ); + + +/** + Disables the 64-bit paging mode on the CPU. + + Disables the 64-bit paging mode on the CPU and returns to 32-bit protected + mode. This function assumes the current execution mode is 64-paging mode. + This function is only available on X64. After the 64-bit paging mode is + disabled, control is transferred to the function specified by EntryPoint + using the new stack specified by NewStack and passing in the parameters + specified by Context1 and Context2. Context1 and Context2 are optional and + may be 0. The function EntryPoint must never return. + + If the current execution mode is not 64-bit paged mode, then ASSERT(). + If EntryPoint is 0, then ASSERT(). + If NewStack is 0, then ASSERT(). + + @param Cs The 16-bit selector to load in the CS before EntryPoint + is called. The descriptor in the GDT that this selector + references must be setup for 32-bit protected mode. + @param EntryPoint The 64-bit virtual address of the function to call with + the new stack after paging is disabled. + @param Context1 The 64-bit virtual address of the context to pass into + the EntryPoint function as the first parameter after + paging is disabled. + @param Context2 The 64-bit virtual address of the context to pass into + the EntryPoint function as the second parameter after + paging is disabled. + @param NewStack The 64-bit virtual address of the new stack to use for + the EntryPoint function after paging is disabled. + +**/ +VOID +EFIAPI +AsmDisablePaging64 ( + IN UINT16 CodeSelector, + IN UINT32 EntryPoint, + IN UINT32 Context1, OPTIONAL + IN UINT32 Context2, OPTIONAL + IN UINT32 NewStack + ); + + +// +// 16-bit thunking services +// + +/** + Retrieves the properties for 16-bit thunk functions. + + Computes the size of the buffer and stack below 1MB required to use the + AsmPrepareThunk16(), AsmThunk16() and AsmPrepareAndThunk16() functions. This + buffer size is returned in RealModeBufferSize, and the stack size is returned + in ExtraStackSize. If parameters are passed to the 16-bit real mode code, + then the actual minimum stack size is ExtraStackSize plus the maximum number + of bytes that need to be passed to the 16-bit real mode code. + + If RealModeBufferSize is NULL, then ASSERT(). + If ExtraStackSize is NULL, then ASSERT(). + + @param RealModeBufferSize A pointer to the size of the buffer below 1MB + required to use the 16-bit thunk functions. + @param ExtraStackSize A pointer to the extra size of stack below 1MB + that the 16-bit thunk functions require for + temporary storage in the transition to and from + 16-bit real mode. + +**/ +VOID +EFIAPI +AsmGetThunk16Properties ( + OUT UINT32 *RealModeBufferSize, + OUT UINT32 *ExtraStackSize + ); + + +/** + Prepares all structures a code required to use AsmThunk16(). + + Prepares all structures and code required to use AsmThunk16(). + + If ThunkContext is NULL, then ASSERT(). + + @param ThunkContext A pointer to the context structure that describes the + 16-bit real mode code to call. + +**/ +VOID +EFIAPI +AsmPrepareThunk16 ( + OUT THUNK_CONTEXT *ThunkContext + ); + + +/** + Transfers control to a 16-bit real mode entry point and returns the results. + + Transfers control to a 16-bit real mode entry point and returns the results. + AsmPrepareThunk16() must be called with ThunkContext before this function is + used. + + If ThunkContext is NULL, then ASSERT(). + If AsmPrepareThunk16() was not previously called with ThunkContext, then ASSERT(). + + @param ThunkContext A pointer to the context structure that describes the + 16-bit real mode code to call. + +**/ +VOID +EFIAPI +AsmThunk16 ( + IN OUT THUNK_CONTEXT *ThunkContext + ); + + +/** + Prepares all structures and code for a 16-bit real mode thunk, transfers + control to a 16-bit real mode entry point, and returns the results. + + Prepares all structures and code for a 16-bit real mode thunk, transfers + control to a 16-bit real mode entry point, and returns the results. If the + caller only need to perform a single 16-bit real mode thunk, then this + service should be used. If the caller intends to make more than one 16-bit + real mode thunk, then it is more efficient if AsmPrepareThunk16() is called + once and AsmThunk16() can be called for each 16-bit real mode thunk. + + If ThunkContext is NULL, then ASSERT(). + + @param ThunkContext A pointer to the context structure that describes the + 16-bit real mode code to call. + +**/ +VOID +EFIAPI +AsmPrepareAndThunk16 ( + IN OUT THUNK_CONTEXT *ThunkContext + ); + +#else + +#endif + +#endif + diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h new file mode 100644 index 000000000..66051525e --- /dev/null +++ b/MdePkg/Include/Library/BaseMemoryLib.h @@ -0,0 +1,377 @@ +/** @file
+ Memory-only library functions with no library constructor/destructor
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: BaseMemoryLib.h
+
+**/
+
+#ifndef __BASE_MEMORY_LIB__
+#define __BASE_MEMORY_LIB__
+
+/**
+ Copies a source buffer to a destination buffer, and returns the destination buffer.
+
+ This function copies Length bytes from SourceBuffer to DestinationBuffer, and returns
+ DestinationBuffer. The implementation must be reentrant, and it must handle the case
+ where SourceBuffer overlaps DestinationBuffer.
+ If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().
+
+ @param DestinationBuffer Pointer to the destination buffer of the memory copy.
+ @param SourceBuffer Pointer to the source buffer of the memory copy.
+ @param Length Number of bytes to copy from SourceBuffer to DestinationBuffer.
+
+ @return DestinationBuffer.
+
+**/
+VOID *
+EFIAPI
+CopyMem (
+ OUT VOID *DestinationBuffer,
+ IN CONST VOID *SourceBuffer,
+ IN UINTN Length
+ );
+
+/**
+ Fills a target buffer with a byte value, and returns the target buffer.
+
+ This function fills Length bytes of Buffer with Value, and returns Buffer.
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Memory to set.
+ @param Length Number of bytes to set.
+ @param Value Value of the set operation.
+
+ @return Buffer.
+
+**/
+VOID *
+EFIAPI
+SetMem (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT8 Value
+ );
+
+/**
+ Fills a target buffer with a 16-bit value, and returns the target buffer.
+
+ This function fills Length bytes of Buffer with the 16-bit value specified by
+ Value, and returns Buffer. Value is repeated every 16-bits in for Length
+ bytes of Buffer.
+
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().
+ If Length is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Buffer Pointer to the target buffer to fill.
+ @param Length Number of bytes in Buffer to fill.
+ @param Value Value with which to fill Length bytes of Buffer.
+
+ @return Buffer.
+
+**/
+VOID *
+EFIAPI
+SetMem16 (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT16 Value
+ );
+
+/**
+ Fills a target buffer with a 32-bit value, and returns the target buffer.
+
+ This function fills Length bytes of Buffer with the 32-bit value specified by
+ Value, and returns Buffer. Value is repeated every 32-bits in for Length
+ bytes of Buffer.
+
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+ If Length is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Buffer Pointer to the target buffer to fill.
+ @param Length Number of bytes in Buffer to fill.
+ @param Value Value with which to fill Length bytes of Buffer.
+
+ @return Buffer.
+
+**/
+VOID *
+EFIAPI
+SetMem32 (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT32 Value
+ );
+
+/**
+ Fills a target buffer with a 64-bit value, and returns the target buffer.
+
+ This function fills Length bytes of Buffer with the 64-bit value specified by
+ Value, and returns Buffer. Value is repeated every 64-bits in for Length
+ bytes of Buffer.
+
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+ If Length is not aligned on a 64-bit boundary, then ASSERT().
+
+ @param Buffer Pointer to the target buffer to fill.
+ @param Length Number of bytes in Buffer to fill.
+ @param Value Value with which to fill Length bytes of Buffer.
+
+ @return Buffer.
+
+**/
+VOID *
+EFIAPI
+SetMem64 (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT64 Value
+ );
+
+/**
+ Fills a target buffer with zeros, and returns the target buffer.
+
+ This function fills Length bytes of Buffer with zeros, and returns Buffer.
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to fill with zeros.
+ @param Length Number of bytes in Buffer to fill with zeros.
+
+ @return Buffer.
+
+**/
+VOID *
+EFIAPI
+ZeroMem (
+ OUT VOID *Buffer,
+ IN UINTN Length
+ );
+
+/**
+ Compares the contents of two buffers.
+
+ This function compares Length bytes of SourceBuffer to Length bytes of DestinationBuffer.
+ If all Length bytes of the two buffers are identical, then 0 is returned. Otherwise, the
+ value returned is the first mismatched byte in SourceBuffer subtracted from the first
+ mismatched byte in DestinationBuffer.
+ If Length > 0 and DestinationBuffer is NULL and Length > 0, then ASSERT().
+ If Length > 0 and SourceBuffer is NULL and Length > 0, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().
+
+ @param DestinationBuffer Pointer to the destination buffer to compare.
+ @param SourceBuffer Pointer to the source buffer to compare.
+ @param Length Number of bytes to compare.
+
+ @return 0 All Length bytes of the two buffers are identical.
+ @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
+ mismatched byte in DestinationBuffer.
+
+**/
+INTN
+EFIAPI
+CompareMem (
+ IN CONST VOID *DestinationBuffer,
+ IN CONST VOID *SourceBuffer,
+ IN UINTN Length
+ );
+
+/**
+ Scans a target buffer for an 8-bit value, and returns a pointer to the matching 8-bit value
+ in the target buffer.
+
+ This function searches target the buffer specified by Buffer and Length from the lowest
+ address to the highest address for an 8-bit value that matches Value. If a match is found,
+ then a pointer to the matching byte in the target buffer is returned. If no match is found,
+ then NULL is returned. If Length is 0, then NULL is returned.
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to scan.
+ @param Length Number of bytes in Buffer to scan.
+ @param Value Value to search for in the target buffer.
+
+ @return A pointer to the matching byte in the target buffer or NULL otherwise.
+
+**/
+VOID *
+EFIAPI
+ScanMem8 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT8 Value
+ );
+
+/**
+ Scans a target buffer for a 16-bit value, and returns a pointer to the matching 16-bit value
+ in the target buffer.
+
+ This function searches target the buffer specified by Buffer and Length from the lowest
+ address to the highest address for a 16-bit value that matches Value. If a match is found,
+ then a pointer to the matching byte in the target buffer is returned. If no match is found,
+ then NULL is returned. If Length is 0, then NULL is returned.
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().
+ If Length is not aligned on a 16-bit boundary, then ASSERT().
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to scan.
+ @param Length Number of bytes in Buffer to scan.
+ @param Value Value to search for in the target buffer.
+
+ @return A pointer to the matching byte in the target buffer or NULL otherwise.
+
+**/
+VOID *
+EFIAPI
+ScanMem16 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT16 Value
+ );
+
+/**
+ Scans a target buffer for a 32-bit value, and returns a pointer to the matching 32-bit value
+ in the target buffer.
+
+ This function searches target the buffer specified by Buffer and Length from the lowest
+ address to the highest address for a 32-bit value that matches Value. If a match is found,
+ then a pointer to the matching byte in the target buffer is returned. If no match is found,
+ then NULL is returned. If Length is 0, then NULL is returned.
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+ If Length is not aligned on a 32-bit boundary, then ASSERT().
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to scan.
+ @param Length Number of bytes in Buffer to scan.
+ @param Value Value to search for in the target buffer.
+
+ @return A pointer to the matching byte in the target buffer or NULL otherwise.
+
+**/
+VOID *
+EFIAPI
+ScanMem32 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT32 Value
+ );
+
+/**
+ Scans a target buffer for a 64-bit value, and returns a pointer to the matching 64-bit value
+ in the target buffer.
+
+ This function searches target the buffer specified by Buffer and Length from the lowest
+ address to the highest address for a 64-bit value that matches Value. If a match is found,
+ then a pointer to the matching byte in the target buffer is returned. If no match is found,
+ then NULL is returned. If Length is 0, then NULL is returned.
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+ If Length is not aligned on a 64-bit boundary, then ASSERT().
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to scan.
+ @param Length Number of bytes in Buffer to scan.
+ @param Value Value to search for in the target buffer.
+
+ @return A pointer to the matching byte in the target buffer or NULL otherwise.
+
+**/
+VOID *
+EFIAPI
+ScanMem64 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT64 Value
+ );
+
+/**
+ Copies a source GUID to a destination GUID.
+
+ This function copies the contents of the 128-bit GUID specified by SourceGuid to
+ DestinationGuid, and returns DestinationGuid.
+ If DestinationGuid is NULL, then ASSERT().
+ If SourceGuid is NULL, then ASSERT().
+
+ @param DestinationGuid Pointer to the destination GUID.
+ @param SourceGuid Pointer to the source GUID.
+
+ @return DestinationGuid.
+
+**/
+GUID *
+EFIAPI
+CopyGuid (
+ OUT GUID *DestinationGuid,
+ IN CONST GUID *SourceGuid
+ );
+
+/**
+ Compares two GUIDs.
+
+ This function compares Guid1 to Guid2. If the GUIDs are identical then TRUE is returned.
+ If there are any bit differences in the two GUIDs, then FALSE is returned.
+ If Guid1 is NULL, then ASSERT().
+ If Guid2 is NULL, then ASSERT().
+
+ @param Guid1 A pointer to a 128 bit GUID.
+ @param Guid2 A pointer to a 128 bit GUID.
+
+ @retval TRUE Guid1 and Guid2 are identical.
+ @retval FALSE Guid1 and Guid2 are not identical.
+
+**/
+BOOLEAN
+EFIAPI
+CompareGuid (
+ IN CONST GUID *Guid1,
+ IN CONST GUID *Guid2
+ );
+
+/**
+ Scans a target buffer for a GUID, and returns a pointer to the matching GUID
+ in the target buffer.
+
+ This function searches target the buffer specified by Buffer and Length from
+ the lowest address to the highest address at 128-bit increments for the 128-bit
+ GUID value that matches Guid. If a match is found, then a pointer to the matching
+ GUID in the target buffer is returned. If no match is found, then NULL is returned.
+ If Length is 0, then NULL is returned.
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+ If Length is not aligned on a 128-bit boundary, then ASSERT().
+ If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to scan.
+ @param Length Number of bytes in Buffer to scan.
+ @param Guid Value to search for in the target buffer.
+
+ @return A pointer to the matching Guid in the target buffer or NULL otherwise.
+
+**/
+VOID *
+EFIAPI
+ScanGuid (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN CONST GUID *Guid
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/CacheMaintenanceLib.h b/MdePkg/Include/Library/CacheMaintenanceLib.h new file mode 100644 index 000000000..91e55cf14 --- /dev/null +++ b/MdePkg/Include/Library/CacheMaintenanceLib.h @@ -0,0 +1,214 @@ +/** @file
+ Cache Maintenance Functions
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: CacheMaintenanceLib.h
+
+**/
+
+#ifndef __CACHE_MAINTENANCE_LIB__
+#define __CACHE_MAINTENANCE_LIB__
+
+/**
+ Invalidates the entire instruction cache in cache coherency domain of the
+ calling CPU.
+
+ Invalidates the entire instruction cache in cache coherency domain of the
+ calling CPU.
+
+**/
+VOID
+EFIAPI
+InvalidateInstructionCache (
+ VOID
+ );
+
+/**
+ Invalidates a range of instruction cache lines in the cache coherency domain
+ of the calling CPU.
+
+ Invalidates the instruction cache lines specified by Address and Length. If
+ Address is not aligned on a cache line boundary, then entire instruction
+ cache line containing Address is invalidated. If Address + Length is not
+ aligned on a cache line boundary, then the entire instruction cache line
+ containing Address + Length -1 is invalidated. This function may choose to
+ invalidate the entire instruction cache if that is more efficient than
+ invalidating the specified range. If Length is 0, the no instruction cache
+ lines are invalidated. Address is returned.
+
+ If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT().
+
+ @param Address The base address of the instruction cache lines to
+ invalidate. If the CPU is in a physical addressing mode, then
+ Address is a physical address. If the CPU is in a virtual
+ addressing mode, then Address is a virtual address.
+
+ @param Length The number of bytes to invalidate from the instruction cache.
+
+ @return Address
+
+**/
+VOID *
+EFIAPI
+InvalidateInstructionCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ );
+
+/**
+ Writes Back and Invalidates the entire data cache in cache coherency domain
+ of the calling CPU.
+
+ Writes Back and Invalidates the entire data cache in cache coherency domain
+ of the calling CPU. This function guarantees that all dirty cache lines are
+ written back to system memory, and also invalidates all the data cache lines
+ in the cache coherency domain of the calling CPU.
+
+**/
+VOID
+EFIAPI
+WriteBackInvalidateDataCache (
+ VOID
+ );
+
+/**
+ Writes Back and Invalidates a range of data cache lines in the cache
+ coherency domain of the calling CPU.
+
+ Writes Back and Invalidate the data cache lines specified by Address and
+ Length. If Address is not aligned on a cache line boundary, then entire data
+ cache line containing Address is written back and invalidated. If Address +
+ Length is not aligned on a cache line boundary, then the entire data cache
+ line containing Address + Length -1 is written back and invalidated. This
+ function may choose to write back and invalidate the entire data cache if
+ that is more efficient than writing back and invalidating the specified
+ range. If Length is 0, the no data cache lines are written back and
+ invalidated. Address is returned.
+
+ If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT().
+
+ @param Address The base address of the data cache lines to write back and
+ invalidate. If the CPU is in a physical addressing mode, then
+ Address is a physical address. If the CPU is in a virtual
+ addressing mode, then Address is a virtual address.
+ @param Length The number of bytes to write back and invalidate from the
+ data cache.
+
+ @return Address
+
+**/
+VOID *
+EFIAPI
+WriteBackInvalidateDataCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ );
+
+/**
+ Writes Back the entire data cache in cache coherency domain of the calling
+ CPU.
+
+ Writes Back the entire data cache in cache coherency domain of the calling
+ CPU. This function guarantees that all dirty cache lines are written back to
+ system memory. This function may also invalidate all the data cache lines in
+ the cache coherency domain of the calling CPU.
+
+**/
+VOID
+EFIAPI
+WriteBackDataCache (
+ VOID
+ );
+
+/**
+ Writes Back a range of data cache lines in the cache coherency domain of the
+ calling CPU.
+
+ Writes Back the data cache lines specified by Address and Length. If Address
+ is not aligned on a cache line boundary, then entire data cache line
+ containing Address is written back. If Address + Length is not aligned on a
+ cache line boundary, then the entire data cache line containing Address +
+ Length -1 is written back. This function may choose to write back the entire
+ data cache if that is more efficient than writing back the specified range.
+ If Length is 0, the no data cache lines are written back. This function may
+ also invalidate all the data cache lines in the specified range of the cache
+ coherency domain of the calling CPU. Address is returned.
+
+ If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT().
+
+ @param Address The base address of the data cache lines to write back. If
+ the CPU is in a physical addressing mode, then Address is a
+ physical address. If the CPU is in a virtual addressing
+ mode, then Address is a virtual address.
+ @param Length The number of bytes to write back from the data cache.
+
+ @return Address
+
+**/
+VOID *
+EFIAPI
+WriteBackDataCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ );
+
+/**
+ Invalidates the entire data cache in cache coherency domain of the calling
+ CPU.
+
+ Invalidates the entire data cache in cache coherency domain of the calling
+ CPU. This function must be used with care because dirty cache lines are not
+ written back to system memory. It is typically used for cache diagnostics. If
+ the CPU does not support invalidation of the entire data cache, then a write
+ back and invalidate operation should be performed on the entire data cache.
+
+**/
+VOID
+EFIAPI
+InvalidateDataCache (
+ VOID
+ );
+
+/**
+ Invalidates a range of data cache lines in the cache coherency domain of the
+ calling CPU.
+
+ Invalidates the data cache lines specified by Address and Length. If Address
+ is not aligned on a cache line boundary, then entire data cache line
+ containing Address is invalidated. If Address + Length is not aligned on a
+ cache line boundary, then the entire data cache line containing Address +
+ Length -1 is invalidated. This function must never invalidate any cache lines
+ outside the specified range. If Length is 0, the no data cache lines are
+ invalidated. Address is returned. This function must be used with care
+ because dirty cache lines are not written back to system memory. It is
+ typically used for cache diagnostics. If the CPU does not support
+ invalidation of a data cache range, then a write back and invalidate
+ operation should be performed on the data cache range.
+
+ If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT().
+
+ @param Address The base address of the data cache lines to invalidate. If
+ the CPU is in a physical addressing mode, then Address is a
+ physical address. If the CPU is in a virtual addressing mode,
+ then Address is a virtual address.
+ @param Length The number of bytes to invalidate from the data cache.
+
+ @return Address
+
+**/
+VOID *
+EFIAPI
+InvalidateDataCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h new file mode 100644 index 000000000..02eed1c13 --- /dev/null +++ b/MdePkg/Include/Library/CpuLib.h @@ -0,0 +1,20 @@ +/** @file
+ Library that provides processor specific library services
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: CpuLib.h
+
+**/
+
+#ifndef __CPU_LIB_H__
+#define __CPU_LIB_H__
+
+#endif
\ No newline at end of file diff --git a/MdePkg/Include/Library/DebugLib.h b/MdePkg/Include/Library/DebugLib.h new file mode 100644 index 000000000..47ac3dc4f --- /dev/null +++ b/MdePkg/Include/Library/DebugLib.h @@ -0,0 +1,458 @@ +/** @file
+ Public include file for the Debug Library
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __DEBUG_LIB_H__
+#define __DEBUG_LIB_H__
+
+//
+// Declare bits for PcdDebugPropertyMask
+//
+#define DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED 0x01
+#define DEBUG_PROPERTY_DEBUG_PRINT_ENABLED 0x02
+#define DEBUG_PROPERTY_DEBUG_CODE_ENABLED 0x04
+#define DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED 0x08
+#define DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED 0x10
+#define DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED 0x20
+
+//
+// Declare bits for PcdDebugPrintErrorLevel and the ErrorLevel parameter of DebugPrint()
+//
+#define DEBUG_INIT 0x00000001 // Initialization
+#define DEBUG_WARN 0x00000002 // Warnings
+#define DEBUG_LOAD 0x00000004 // Load events
+#define DEBUG_FS 0x00000008 // EFI File system
+#define DEBUG_POOL 0x00000010 // Alloc & Free's
+#define DEBUG_PAGE 0x00000020 // Alloc & Free's
+#define DEBUG_INFO 0x00000040 // Verbose
+#define DEBUG_VARIABLE 0x00000100 // Variable
+#define DEBUG_BM 0x00000400 // Boot Manager
+#define DEBUG_BLKIO 0x00001000 // BlkIo Driver
+#define DEBUG_NET 0x00004000 // SNI Driver
+#define DEBUG_UNDI 0x00010000 // UNDI Driver
+#define DEBUG_LOADFILE 0x00020000 // UNDI Driver
+#define DEBUG_EVENT 0x00080000 // Event messages
+#define DEBUG_ERROR 0x80000000 // Error
+
+//
+// Aliases of debug message mask bits
+//
+#define EFI_D_INIT DEBUG_INIT
+#define EFI_D_WARN DEBUG_WARN
+#define EFI_D_LOAD DEBUG_LOAD
+#define EFI_D_FS DEBUG_FS
+#define EFI_D_POOL DEBUG_POOL
+#define EFI_D_PAGE DEBUG_PAGE
+#define EFI_D_INFO DEBUG_INFO
+#define EFI_D_VARIABLE DEBUG_VARIABLE
+#define EFI_D_BM DEBUG_BM
+#define EFI_D_BLKIO DEBUG_BLKIO
+#define EFI_D_NET DEBUG_NET
+#define EFI_D_UNDI DEBUG_UNDI
+#define EFI_D_LOADFILE DEBUG_LOADFILE
+#define EFI_D_EVENT DEBUG_EVENT
+#define EFI_D_ERROR DEBUG_ERROR
+
+/**
+
+ Prints a debug message to the debug output device if the specified error level is enabled.
+
+ If any bit in ErrorLevel is also set in PcdDebugPrintErrorLevel, then print
+ the message specified by Format and the associated variable argument list to
+ the debug output device.
+
+ If Format is NULL, then ASSERT().
+
+ @param ErrorLevel The error level of the debug message.
+ @param Format Format string for the debug message to print.
+
+**/
+VOID
+EFIAPI
+DebugPrint (
+ IN UINTN ErrorLevel,
+ IN CONST CHAR8 *Format,
+ ...
+ );
+
+
+/**
+
+ Prints an assert message containing a filename, line number, and description.
+ This may be followed by a breakpoint or a dead loop.
+
+ Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n"
+ to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of
+ PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if
+ DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then
+ CpuDeadLoop() is called. If neither of these bits are set, then this function
+ returns immediately after the message is printed to the debug output device.
+ DebugAssert() must actively prevent recusrsion. If DebugAssert() is called while
+ processing another DebugAssert(), then DebugAssert() must return immediately.
+
+ If FileName is NULL, then a <FileName> string of ?NULL) Filename?is printed.
+
+ If Description is NULL, then a <Description> string of ?NULL) Description?is printed.
+
+ @param FileName Pointer to the name of the source file that generated the assert condition.
+ @param LineNumber The line number in the source file that generated the assert condition
+ @param Description Pointer to the description of the assert condition.
+
+**/
+VOID
+EFIAPI
+DebugAssert (
+ IN CONST CHAR8 *FileName,
+ IN UINTN LineNumber,
+ IN CONST CHAR8 *Description
+ );
+
+
+/**
+
+ Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer.
+
+ This function fills Length bytes of Buffer with the value specified by
+ PcdDebugClearMemoryValue, and returns Buffer.
+
+ If Buffer is NULL, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS ?Buffer + 1), then ASSERT().
+
+ @param Buffer Pointer to the target buffer to fill with PcdDebugClearMemoryValue.
+ @param Length Number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+DebugClearMemory (
+ OUT VOID *Buffer,
+ IN UINTN Length
+ );
+
+
+/**
+
+ Returns TRUE if ASSERT() macros are enabled.
+
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of
+ PcdDebugProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set.
+ @retval FALSE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+DebugAssertEnabled (
+ VOID
+ );
+
+
+/**
+
+ Returns TRUE if DEBUG()macros are enabled.
+
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of
+ PcdDebugProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set.
+ @retval FALSE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+DebugPrintEnabled (
+ VOID
+ );
+
+
+/**
+
+ Returns TRUE if DEBUG_CODE()macros are enabled.
+
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of
+ PcdDebugProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set.
+ @retval FALSE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+DebugCodeEnabled (
+ VOID
+ );
+
+
+/**
+
+ Returns TRUE if DEBUG_CLEAR_MEMORY()macro is enabled.
+
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of
+ PcdDebugProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.
+ @retval FALSE The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+DebugClearMemoryEnabled (
+ VOID
+ );
+
+
+/**
+
+ Internal worker macro that calls DebugAssert().
+
+ This macro calls DebugAssert() passing in the filename, line number, and
+ expression that evailated to FALSE.
+
+ @param Expression Boolean expression that evailated to FALSE
+
+**/
+#define _ASSERT(Expression) DebugAssert (__FILE__, __LINE__, #Expression)
+
+
+/**
+
+ Internal worker macro that calls DebugPrint().
+
+ This macro calls DebugPrint() passing in the debug error level, a format
+ string, and a variable argument list.
+
+ @param Expression Expression containing an error level, a format string,
+ and a variable argument list based on the format string.
+
+**/
+#define _DEBUG(Expression) DebugPrint Expression
+
+
+/**
+
+ Macro that calls DebugAssert() if a expression evaluates to FALSE.
+
+ If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro evaluates the Boolean expression specified by Expression. If
+ Expression evaluates to FALSE, then DebugAssert() is called passing in the
+ source filename, source line number, and Expression.
+
+ @param Expression Boolean expression
+
+**/
+#define ASSERT(Expression) \
+ do { \
+ if (DebugAssertEnabled ()) { \
+ if (!(Expression)) { \
+ _ASSERT (Expression); \
+ } \
+ } \
+ } while (FALSE)
+
+
+/**
+
+ Macro that calls DebugPrint().
+
+ If the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro passes Expression to DebugPrint().
+
+ @param Expression Expression containing an error level, a format string,
+ and a variable argument list based on the format string.
+
+
+**/
+#define DEBUG(Expression) \
+ do { \
+ if (DebugPrintEnabled ()) { \
+ _DEBUG (Expression); \
+ } \
+ } while (FALSE)
+
+
+/**
+
+ Macro that calls DebugAssert() if an EFI_STATUS evaluates to an error code.
+
+ If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro evaluates the EFI_STATUS value specified by StatusParameter.
+ If StatusParameter is an error code, then DebugAssert() is called passing in
+ the source filename, source line number, and StatusParameter.
+
+ @param StatusParameter EFI_STATUS value to evaluate.
+
+**/
+#define ASSERT_EFI_ERROR(StatusParameter) \
+ do { \
+ if (DebugAssertEnabled ()) { \
+ if (EFI_ERROR (StatusParameter)) { \
+ DEBUG ((EFI_D_ERROR, "\nASSERT_EFI_ERROR (Status = %r)\n", StatusParameter)); \
+ _ASSERT (!EFI_ERROR (StatusParameter)); \
+ } \
+ } \
+ } while (FALSE)
+
+
+/**
+
+ Macro that calls DebugAssert() if a protocol is already installed in the
+ handle database.
+
+ If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear,
+ then return.
+
+ If Handle is NULL, then a check is made to see if the protocol specified by Guid
+ is present on any handle in the handle database. If Handle is not NULL, then
+ a check is made to see if the protocol specified by Guid is present on the
+ handle specified by Handle. If the check finds the protocol, then DebugAssert()
+ is called passing in the source filename, source line number, and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param Handle The handle to check for the protocol. This is an optional
+ parameter that may be NULL. If it is NULL, then the entire
+ handle database is searched.
+
+ @param Guid Pointer to a protocol GUID.
+
+**/
+#define ASSERT_PROTOCOL_ALREADY_INSTALLED(Handle, Guid) \
+ do { \
+ if (DebugAssertEnabled ()) { \
+ VOID *Instance; \
+ ASSERT (Guid != NULL); \
+ if (Handle == NULL) { \
+ if (!EFI_ERROR (gBS->LocateProtocol ((EFI_GUID *)Guid, NULL, &Instance))) { \
+ _ASSERT (Guid already installed in database); \
+ } \
+ } else { \
+ if (!EFI_ERROR (gBS->HandleProtocol (Handle, (EFI_GUID *)Guid, &Instance))) { \
+ _ASSERT (Guid already installed on Handle); \
+ } \
+ } \
+ } \
+ } while (FALSE)
+
+
+/**
+ Macro that marks the beginning of debug source code.
+
+ If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro marks the beginning of source code that is included in a module.
+ Otherwise, the source lines between DEBUG_CODE_BEGIN() and DEBUG_CODE_END()
+ are not included in a module.
+
+**/
+#define DEBUG_CODE_BEGIN() do { if (DebugCodeEnabled ()) { UINT8 __DebugCodeLocal
+
+
+/**
+
+ Macro that marks the end of debug source code.
+
+ If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro marks the end of source code that is included in a module.
+ Otherwise, the source lines between DEBUG_CODE_BEGIN() and DEBUG_CODE_END()
+ are not included in a module.
+
+**/
+#define DEBUG_CODE_END() __DebugCodeLocal = 0; __DebugCodeLocal++; } } while (FALSE)
+
+
+/**
+
+ Macro that declares a section of debug source code.
+
+ If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set,
+ then the source code specified by Expression is included in a module.
+ Otherwise, the source specified by Expression is not included in a module.
+
+**/
+#define DEBUG_CODE(Expression) \
+ DEBUG_CODE_BEGIN (); \
+ Expression \
+ DEBUG_CODE_END ()
+
+
+/**
+
+ Macro that calls DebugClearMemory() to clear a buffer to a default value.
+
+ If the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro calls DebugClearMemory() passing in Address and Length.
+
+ @param Address Pointer to a buffer.
+ @param Length The number of bytes in the buffer to set.
+
+**/
+#define DEBUG_CLEAR_MEMORY(Address, Length) \
+ do { \
+ if (DebugClearMemoryEnabled ()) { \
+ DebugClearMemory (Address, Length); \
+ } \
+ } while (FALSE)
+
+
+/**
+
+ Macro that calls DebugAssert() if the containing record does not have a
+ matching signature. If the signatures matches, then a pointer to the data
+ structure that contains a specified field of that data structure is returned.
+ This is a light weight method hide information by placing a public data
+ structure inside a larger private data structure and using a pointer to the
+ public data structure to retrieve a pointer to the private data structure.
+
+ If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear,
+ then this macro computes the offset, in bytes, of field specified by Field
+ from the beginning of the data structure specified by TYPE. This offset is
+ subtracted from Record, and is used to return a pointer to a data structure
+ of the type specified by TYPE.
+
+ If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro computes the offset, in bytes, of field specified by Field from
+ the beginning of the data structure specified by TYPE. This offset is
+ subtracted from Record, and is used to compute a pointer to a data structure of
+ the type specified by TYPE. The Signature field of the data structure specified
+ by TYPE is compared to TestSignature. If the signatures match, then a pointer
+ to the pointer to a data structure of the type specified by TYPE is returned.
+ If the signatures do not match, then DebugAssert() is called with a description
+ of "CR has a bad signature" and Record is returned.
+
+ If the data type specified by TYPE does not contain the field specified by Field,
+ then the module will not compile.
+
+ If TYPE does not contain a field called Signature, then the module will not
+ compile.
+
+ @param Record Pointer to the field specified by Field within a data
+ structure of type TYPE.
+
+ @param TYPE The name of the data structure type to return This
+ data structure must contain the field specified by Field.
+
+ @param Field The name of the field in the data structure specified
+ by TYPE to which Record points.
+
+ @param TestSignature The 32-bit signature value to match.
+
+**/
+#define CR(Record, TYPE, Field, TestSignature) \
+ (DebugAssertEnabled () && (_CR (Record, TYPE, Field)->Signature != TestSignature)) ? \
+ (TYPE *) (_ASSERT (CR has Bad Signature), Record) : \
+ _CR (Record, TYPE, Field)
+
+#endif
diff --git a/MdePkg/Include/Library/DevicePathLib.h b/MdePkg/Include/Library/DevicePathLib.h new file mode 100644 index 000000000..aee5426ca --- /dev/null +++ b/MdePkg/Include/Library/DevicePathLib.h @@ -0,0 +1,251 @@ +/** @file
+ Entry point to a DXE Boot Services Driver
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: DevicePathLib.h
+
+**/
+
+#ifndef __DEVICE_PATH_LIB_H__
+#define __DEVICE_PATH_LIB_H__
+
+/**
+ Returns the size of a device path in bytes.
+
+ This function returns the size, in bytes, of the device path data structure specified by
+ DevicePath including the end of device path node. If DevicePath is NULL, then 0 is returned.
+
+ @param DevicePath A pointer to a device path data structure.
+
+ @return The size of a device path in bytes.
+
+**/
+UINTN
+EFIAPI
+GetDevicePathSize (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+/**
+ Creates a new device path by appending a second device path to a first device path.
+
+ This function allocates space for a new copy of the device path specified by DevicePath. If
+ DevicePath is NULL, then NULL is returned. If the memory is successfully allocated, then the
+ contents of DevicePath are copied to the newly allocated buffer, and a pointer to that buffer
+ is returned. Otherwise, NULL is returned.
+
+ @param DevicePath A pointer to a device path data structure.
+
+ @return A pointer to the duplicated device path.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+DuplicateDevicePath (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+/**
+ Creates a new device path by appending a second device path to a first device path.
+
+ This function creates a new device path by appending a copy of SecondDevicePath to a copy of
+ FirstDevicePath in a newly allocated buffer. Only the end-of-device-path device node from
+ SecondDevicePath is retained. The newly created device path is returned.
+ If FirstDevicePath is NULL, then it is ignored, and a duplicate of SecondDevicePath is returned.
+ If SecondDevicePath is NULL, then it is ignored, and a duplicate of FirstDevicePath is returned.
+ If both FirstDevicePath and SecondDevicePath are NULL, then NULL is returned.
+ If there is not enough memory for the newly allocated buffer, then NULL is returned.
+ The memory for the new device path is allocated from EFI boot services memory. It is the
+ responsibility of the caller to free the memory allocated.
+
+ @param FirstDevicePath A pointer to a device path data structure.
+ @param SecondDevicePath A pointer to a device path data structure.
+
+ @return A pointer to the new device path.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+AppendDevicePath (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL
+ );
+
+/**
+ Creates a new path by appending the device node to the device path.
+
+ This function creates a new device path by appending a copy of the device node specified by
+ DevicePathNode to a copy of the device path specified by DevicePath in an allocated buffer.
+ The end-of-device-path device node is moved after the end of the appended device node.
+ If DevicePath is NULL, then NULL is returned.
+ If DevicePathNode is NULL, then NULL is returned.
+ If there is not enough memory to allocate space for the new device path, then NULL is returned.
+ The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
+ free the memory allocated.
+
+ @param DevicePath A pointer to a device path data structure.
+ @param DevicePathNode A pointer to a single device path node.
+
+ @return A pointer to the new device path.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+AppendDevicePathNode (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL
+ );
+
+/**
+ Creates a new device path by appending the specified device path instance to the specified device
+ path.
+
+ This function creates a new device path by appending a copy of the device path instance specified
+ by DevicePathInstance to a copy of the device path secified by DevicePath in a allocated buffer.
+ The end-of-device-path device node is moved after the end of the appended device path instance
+ and a new end-of-device-path-instance node is inserted between.
+ If DevicePath is NULL, then a copy if DevicePathInstance is returned.
+ If DevicePathInstance is NULL, then NULL is returned.
+ If there is not enough memory to allocate space for the new device path, then NULL is returned.
+ The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
+ free the memory allocated.
+
+ @param DevicePath A pointer to a device path data structure.
+ @param DevicePathInstance A pointer to a device path instance.
+
+ @return A pointer to the new device path.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+AppendDevicePathInstance (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL
+ );
+
+/**
+ Creates a copy of the current device path instance and returns a pointer to the next device path
+ instance.
+
+ This function creates a copy of the current device path instance. It also updates DevicePath to
+ point to the next device path instance in the device path (or NULL if no more) and updates Size
+ to hold the size of the device path instance copy.
+ If DevicePath is NULL, then NULL is returned.
+ If there is not enough memory to allocate space for the new device path, then NULL is returned.
+ The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
+ free the memory allocated.
+ If Size is NULL, then ASSERT().
+
+ @param DevicePath On input, this holds the pointer to the current device path
+ instance. On output, this holds the pointer to the next device
+ path instance or NULL if there are no more device path
+ instances in the device path pointer to a device path data
+ structure.
+ @param Size On output, this holds the size of the device path instance, in
+ bytes or zero, if DevicePath is NULL.
+
+ @return A pointer to the current device path instance.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+GetNextDevicePathInstance (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
+ OUT UINTN *Size
+ );
+
+/**
+ Creates a copy of the current device path instance and returns a pointer to the next device path
+ instance.
+
+ This function creates a new device node in a newly allocated buffer of size NodeLength and
+ initializes the device path node header with NodeType and NodeSubType. The new device path node
+ is returned.
+ If NodeLength is smaller than a device path header, then NULL is returned.
+ If there is not enough memory to allocate space for the new device path, then NULL is returned.
+ The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
+ free the memory allocated.
+
+ @param NodeType The device node type for the new device node.
+ @param NodeSubType The device node sub-type for the new device node.
+ @param NodeLength The length of the new device node.
+
+ @return The new device path.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+CreateDeviceNode (
+ IN UINT8 NodeType,
+ IN UINT8 NodeSubType,
+ IN UINT16 NodeLength
+ );
+
+/**
+ Determines if a device path is single or multi-instance.
+
+ This function returns TRUE if the device path specified by DevicePath is multi-instance.
+ Otherwise, FALSE is returned. If DevicePath is NULL, then FALSE is returned.
+
+ @param DevicePath A pointer to a device path data structure.
+
+ @retval TRUE DevicePath is multi-instance.
+ @retval FALSE DevicePath is not multi-instance or DevicePath is NULL.
+
+**/
+BOOLEAN
+EFIAPI
+IsDevicePathMultiInstance (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+/**
+ Retrieves the device path protocol from a handle.
+
+ This function returns the device path protocol from the handle specified by Handle. If Handle is
+ NULL or Handle does not contain a device path protocol, then NULL is returned.
+
+ @param Handle The handle from which to retrieve the device path protocol.
+
+ @return The device path protocol from the handle specified by Handle.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+DevicePathFromHandle (
+ IN EFI_HANDLE Handle
+ );
+
+/**
+ Allocates a device path for a file and appends it to an existing device path.
+
+ If Device is a valid device handle that contains a device path protocol, then a device path for
+ the file specified by FileName is allocated and appended to the device path associated with the
+ handle Device. The allocated device path is returned. If Device is NULL or Device is a handle
+ that does not support the device path protocol, then a device path containing a single device
+ path node for the file specified by FileName is allocated and returned.
+ If FileName is NULL, then ASSERT().
+
+ @param Device A pointer to a device handle. This parameter is optional and
+ may be NULL.
+ @param FileName A pointer to a Null-terminated Unicode string.
+
+ @return The allocated device path.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+FileDevicePath (
+ IN EFI_HANDLE Device, OPTIONAL
+ IN CONST CHAR16 *FileName
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/DxeCoreEntryPoint.h b/MdePkg/Include/Library/DxeCoreEntryPoint.h new file mode 100644 index 000000000..2317dd484 --- /dev/null +++ b/MdePkg/Include/Library/DxeCoreEntryPoint.h @@ -0,0 +1,90 @@ +/** @file
+ Entry point to the DXE Core
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __MODULE_ENTRY_POINT_H__
+#define __MODULE_ENTRY_POINT_H__
+
+//
+// Declare the cache of copy of HobList.
+//
+extern VOID *gHobList;
+
+
+/**
+ Enrty point to DXE core.
+
+ @param HobStart Pointer of HobList.
+
+**/
+VOID
+EFIAPI
+_ModuleEntryPoint (
+ IN VOID *HobStart
+ );
+
+
+/**
+ Wrapper of enrty point to DXE CORE.
+
+ @param HobStart Pointer of HobList.
+
+**/
+VOID
+EFIAPI
+EfiMain (
+ IN VOID *HobStart
+ );
+
+
+/**
+ Call constructs for all libraries. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Call destructors for all libraries. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Call the list of driver entry points. Automatics Generated by tool.
+
+ @param HobStart Pointer to HobList.
+
+**/
+VOID
+EFIAPI
+ProcessModuleEntryPointList (
+ IN VOID *HobStart
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/DxeServicesTableLib.h b/MdePkg/Include/Library/DxeServicesTableLib.h new file mode 100644 index 000000000..9d3f7c888 --- /dev/null +++ b/MdePkg/Include/Library/DxeServicesTableLib.h @@ -0,0 +1,26 @@ +/** @file
+ Library that provides a global pointer to the DXE Services Table
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: DxeServicesTableLib.h
+
+**/
+
+#ifndef __DXE_SERVICES_TABLE_LIB_H__
+#define __DXE_SERVICES_TABLE_LIB_H__
+
+//
+// Cache copy of the DXE Services Table
+//
+extern EFI_DXE_SERVICES *gDS;
+
+#endif
+
diff --git a/MdePkg/Include/Library/DxeSmmDriverEntryPoint.h b/MdePkg/Include/Library/DxeSmmDriverEntryPoint.h new file mode 100644 index 000000000..12d35d5f5 --- /dev/null +++ b/MdePkg/Include/Library/DxeSmmDriverEntryPoint.h @@ -0,0 +1,140 @@ +/** @file
+ Entry point to a DXE SMM Driver
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __MODULE_ENTRY_POINT_H__
+#define __MODULE_ENTRY_POINT_H__
+
+//
+// Declare the EFI/UEFI Specification Revision to which this driver is implemented
+//
+extern const UINT32 _gUefiDriverRevision;
+
+//
+// Declare the number of entry points in the image.
+//
+extern const UINT8 _gDriverEntryPointCount;
+
+//
+// Declare the number of unload handler in the image.
+//
+extern const UINT8 _gDriverUnloadImageCount;
+
+/**
+ Enrty point to DXE SMM Driver.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Enrty point wrapper of DXE SMM Driver.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Computes the cummulative return status for the driver entry point and perform
+ a long jump back into DriverEntryPoint().
+
+ @param Status Status returned by the driver that is exiting.
+
+**/
+VOID
+EFIAPI
+ExitDriver (
+ IN EFI_STATUS Status
+ );
+
+/**
+ Call constructs for all libraries. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Call destructors for all libraries. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Call the list of driver entry points. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @return Status returned by entry points of drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Call the unload handlers for all the modules. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+
+ @return Status returned by unload handlers of drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+ProcessModuleUnloadList (
+ IN EFI_HANDLE ImageHandle
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/FvbServiceLib.h b/MdePkg/Include/Library/FvbServiceLib.h new file mode 100644 index 000000000..16e00d3a8 --- /dev/null +++ b/MdePkg/Include/Library/FvbServiceLib.h @@ -0,0 +1,250 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ EdkFvbServiceLib.h
+
+Abstract:
+
+--*/
+#ifndef __EDK_FVB_SERVICE_LIB_H__
+#define __EDK_FVB_SERVICE_LIB_H__
+
+EFI_STATUS
+EfiFvbReadBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+/*++
+
+Routine Description:
+ Reads specified number of bytes into a buffer from the specified block
+
+Arguments:
+ Instance - The FV instance to be read from
+ Lba - The logical block address to be read from
+ Offset - Offset into the block at which to begin reading
+ NumBytes - Pointer that on input contains the total size of
+ the buffer. On output, it contains the total number
+ of bytes read
+ Buffer - Pointer to a caller allocated buffer that will be
+ used to hold the data read
+
+Returns:
+
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbWriteBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+/*++
+
+Routine Description:
+ Writes specified number of bytes from the input buffer to the block
+
+Arguments:
+ Instance - The FV instance to be written to
+ Lba - The starting logical block index to write to
+ Offset - Offset into the block at which to begin writing
+ NumBytes - Pointer that on input contains the total size of
+ the buffer. On output, it contains the total number
+ of bytes actually written
+ Buffer - Pointer to a caller allocated buffer that contains
+ the source for the write
+
+Returns:
+
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbEraseBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a firmware volume block
+
+Arguments:
+ Instance - The FV instance to be erased
+ Lba - The logical block index to be erased
+
+Returns:
+
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbGetVolumeAttributes (
+ IN UINTN Instance,
+ OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+/*++
+
+Routine Description:
+ Retrieves attributes, insures positive polarity of attribute bits, returns
+ resulting attributes in output parameter
+
+Arguments:
+ Instance - The FV instance whose attributes is going to be
+ returned
+ Attributes - Output buffer which contains attributes
+
+Returns:
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbSetVolumeAttributes (
+ IN UINTN Instance,
+ IN EFI_FVB_ATTRIBUTES Attributes
+ )
+/*++
+
+Routine Description:
+ Modifies the current settings of the firmware volume according to the
+ input parameter, and returns the new setting of the volume
+
+Arguments:
+ Instance - The FV instance whose attributes is going to be
+ modified
+ Attributes - On input, it is a pointer to EFI_FVB_ATTRIBUTES
+ containing the desired firmware volume settings.
+ On successful return, it contains the new settings
+ of the firmware volume
+
+Returns:
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbGetPhysicalAddress (
+ IN UINTN Instance,
+ OUT EFI_PHYSICAL_ADDRESS *BaseAddress
+ )
+/*++
+
+Routine Description:
+ Retrieves the physical address of a memory mapped FV
+
+Arguments:
+ Instance - The FV instance whose base address is going to be
+ returned
+ BaseAddress - Pointer to a caller allocated EFI_PHYSICAL_ADDRESS
+ that on successful return, contains the base address
+ of the firmware volume.
+
+Returns:
+
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbGetBlockSize (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ OUT UINTN *BlockSize,
+ OUT UINTN *NumOfBlocks
+ )
+/*++
+
+Routine Description:
+ Retrieve the size of a logical block
+
+Arguments:
+ Instance - The FV instance whose block size is going to be
+ returned
+ Lba - Indicates which block to return the size for.
+ BlockSize - A pointer to a caller allocated UINTN in which
+ the size of the block is returned
+ NumOfBlocks - a pointer to a caller allocated UINTN in which the
+ number of consecutive blocks starting with Lba is
+ returned. All blocks in this range have a size of
+ BlockSize
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+--*/
+;
+
+EFI_STATUS
+EfiFvbEraseCustomBlockRange (
+ IN UINTN Instance,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a specified range of a firmware volume
+
+Arguments:
+ Instance - The FV instance to be erased
+ StartLba - The starting logical block index to be erased
+ OffsetStartLba - Offset into the starting block at which to
+ begin erasing
+ LastLba - The last logical block index to be erased
+ OffsetLastLba - Offset into the last block at which to end erasing
+
+Returns:
+
+ Status code
+
+ EFI_INVALID_PARAMETER - invalid parameter
+
+ EFI_UNSUPPORTED - not support
+
+--*/
+;
+
+#endif
diff --git a/MdePkg/Include/Library/HiiLib.h b/MdePkg/Include/Library/HiiLib.h new file mode 100644 index 000000000..4d3e18db6 --- /dev/null +++ b/MdePkg/Include/Library/HiiLib.h @@ -0,0 +1,46 @@ +/** @file
+ Public include file for the HII Library
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: HiiLib.h
+
+**/
+
+#ifndef __HII_LIB_H__
+#define __HII_LIB_H__
+
+#include <Protocol/HiiDatabase.h>
+
+/**
+ This function allocates pool for an EFI_HII_PACKAGES structure
+ with enough space for the variable argument list of package pointers.
+ The allocated structure is initialized using NumberOfPackages, Guid,
+ and the variable length argument list of package pointers.
+
+ @param NumberOfPackages The number of HII packages to prepare.
+ @param Guid Package GUID.
+
+ @return
+ The allocated and initialized packages.
+
+**/
+EFI_HII_PACKAGE_LIST_HEADER*
+EFIAPI
+PreparePackages (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *Guid OPTIONAL,
+ ...
+ )
+;
+
+
+
+#endif
diff --git a/MdePkg/Include/Library/HobLib.h b/MdePkg/Include/Library/HobLib.h new file mode 100644 index 000000000..3b753a7af --- /dev/null +++ b/MdePkg/Include/Library/HobLib.h @@ -0,0 +1,371 @@ +/** @file
+ Public include file for the HOB Library
+
+ Copyright (c) 2006 - 2007, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: HobLib.h
+
+**/
+
+#ifndef __HOB_LIB_H__
+#define __HOB_LIB_H__
+
+/**
+ Returns the pointer to the HOB list.
+
+ This function returns the pointer to first HOB in the list.
+
+ @return The pointer to the HOB list.
+
+**/
+VOID *
+EFIAPI
+GetHobList (
+ VOID
+ )
+;
+
+/**
+ Returns the next instance of a HOB type from the starting HOB.
+
+ This function searches the first instance of a HOB type from the starting HOB pointer.
+ If there does not exist such HOB type from the starting HOB pointer, it will return NULL.
+ In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer
+ unconditionally: it returns HobStart back if HobStart itself meets the requirement;
+ caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.
+ If HobStart is NULL, then ASSERT().
+
+ @param Type The HOB type to return.
+ @param HobStart The starting HOB pointer to search from.
+
+ @return The next instance of a HOB type from the starting HOB.
+
+**/
+VOID *
+EFIAPI
+GetNextHob (
+ IN UINT16 Type,
+ IN CONST VOID *HobStart
+ )
+;
+
+/**
+ Returns the first instance of a HOB type among the whole HOB list.
+
+ This function searches the first instance of a HOB type among the whole HOB list.
+ If there does not exist such HOB type in the HOB list, it will return NULL.
+
+ @param Type The HOB type to return.
+
+ @return The next instance of a HOB type from the starting HOB.
+
+**/
+VOID *
+EFIAPI
+GetFirstHob (
+ IN UINT16 Type
+ )
+;
+
+/**
+ This function searches the first instance of a HOB from the starting HOB pointer.
+ Such HOB should satisfy two conditions:
+ its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid.
+ If there does not exist such HOB from the starting HOB pointer, it will return NULL.
+ Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()
+ to extract the data section and its size info respectively.
+ In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer
+ unconditionally: it returns HobStart back if HobStart itself meets the requirement;
+ caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.
+ If Guid is NULL, then ASSERT().
+ If HobStart is NULL, then ASSERT().
+
+ @param Guid The GUID to match with in the HOB list.
+ @param HobStart A pointer to a Guid.
+
+ @return The next instance of the matched GUID HOB from the starting HOB.
+
+**/
+VOID *
+EFIAPI
+GetNextGuidHob (
+ IN CONST EFI_GUID *Guid,
+ IN CONST VOID *HobStart
+ )
+;
+
+/**
+ This function searches the first instance of a HOB among the whole HOB list.
+ Such HOB should satisfy two conditions:
+ its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid.
+ If there does not exist such HOB from the starting HOB pointer, it will return NULL.
+ Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()
+ to extract the data section and its size info respectively.
+ If Guid is NULL, then ASSERT().
+
+ @param Guid The GUID to match with in the HOB list.
+
+ @return The first instance of the matched GUID HOB among the whole HOB list.
+
+**/
+VOID *
+EFIAPI
+GetFirstGuidHob (
+ IN CONST EFI_GUID *Guid
+ )
+;
+
+/**
+ Get the Boot Mode from the HOB list.
+
+ This function returns the system boot mode information from the
+ PHIT HOB in HOB list.
+
+ @param VOID
+
+ @return The Boot Mode.
+
+**/
+EFI_BOOT_MODE
+EFIAPI
+GetBootModeHob (
+ VOID
+ )
+;
+
+/**
+ Builds a HOB for a loaded PE32 module.
+
+ This function builds a HOB for a loaded PE32 module.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If ModuleName is NULL, then ASSERT().
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param ModuleName The GUID File Name of the module.
+ @param MemoryAllocationModule The 64 bit physical address of the module.
+ @param ModuleLength The length of the module in bytes.
+ @param EntryPoint The 64 bit physical address of the module entry point.
+
+**/
+VOID
+EFIAPI
+BuildModuleHob (
+ IN CONST EFI_GUID *ModuleName,
+ IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule,
+ IN UINT64 ModuleLength,
+ IN EFI_PHYSICAL_ADDRESS EntryPoint
+ )
+;
+
+/**
+ Builds a HOB that describes a chunk of system memory.
+
+ This function builds a HOB that describes a chunk of system memory.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param ResourceType The type of resource described by this HOB.
+ @param ResourceAttribute The resource attributes of the memory described by this HOB.
+ @param PhysicalStart The 64 bit physical address of memory described by this HOB.
+ @param NumberOfBytes The length of the memory described by this HOB in bytes.
+
+**/
+VOID
+EFIAPI
+BuildResourceDescriptorHob (
+ IN EFI_RESOURCE_TYPE ResourceType,
+ IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,
+ IN EFI_PHYSICAL_ADDRESS PhysicalStart,
+ IN UINT64 NumberOfBytes
+ )
+;
+
+/**
+ Builds a GUID HOB with a certain data length.
+
+ This function builds a customized HOB tagged with a GUID for identification
+ and returns the start address of GUID HOB data so that caller can fill the customized data.
+ The HOB Header and Name field is already stripped.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If Guid is NULL, then ASSERT().
+ If there is no additional space for HOB creation, then ASSERT().
+ If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
+
+ @param Guid The GUID to tag the customized HOB.
+ @param DataLength The size of the data payload for the GUID HOB.
+
+ @return The start address of GUID HOB data.
+
+**/
+VOID *
+EFIAPI
+BuildGuidHob (
+ IN CONST EFI_GUID *Guid,
+ IN UINTN DataLength
+ )
+;
+
+/**
+ Copies a data buffer to a newly-built HOB.
+
+ This function builds a customized HOB tagged with a GUID for identification,
+ copies the input data to the HOB data field and returns the start address of the GUID HOB data.
+ The HOB Header and Name field is already stripped.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If Guid is NULL, then ASSERT().
+ If Data is NULL and DataLength > 0, then ASSERT().
+ If there is no additional space for HOB creation, then ASSERT().
+ If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
+
+ @param Guid The GUID to tag the customized HOB.
+ @param Data The data to be copied into the data field of the GUID HOB.
+ @param DataLength The size of the data payload for the GUID HOB.
+
+ @return The start address of GUID HOB data.
+
+**/
+VOID *
+EFIAPI
+BuildGuidDataHob (
+ IN CONST EFI_GUID *Guid,
+ IN VOID *Data,
+ IN UINTN DataLength
+ )
+;
+
+/**
+ Builds a Firmware Volume HOB.
+
+ This function builds a Firmware Volume HOB.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param BaseAddress The base address of the Firmware Volume.
+ @param Length The size of the Firmware Volume in bytes.
+
+**/
+VOID
+EFIAPI
+BuildFvHob (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ )
+;
+
+/**
+ Builds a Capsule Volume HOB.
+
+ This function builds a Capsule Volume HOB.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param BaseAddress The base address of the Capsule Volume.
+ @param Length The size of the Capsule Volume in bytes.
+
+**/
+VOID
+EFIAPI
+BuildCvHob (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ )
+;
+
+/**
+ Builds a HOB for the CPU.
+
+ This function builds a HOB for the CPU.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param SizeOfMemorySpace The maximum physical memory addressability of the processor.
+ @param SizeOfIoSpace The maximum physical I/O addressability of the processor.
+
+**/
+VOID
+EFIAPI
+BuildCpuHob (
+ IN UINT8 SizeOfMemorySpace,
+ IN UINT8 SizeOfIoSpace
+ )
+;
+
+/**
+ Builds a HOB for the Stack.
+
+ This function builds a HOB for the stack.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param BaseAddress The 64 bit physical address of the Stack.
+ @param Length The length of the stack in bytes.
+
+**/
+VOID
+EFIAPI
+BuildStackHob (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ )
+;
+
+/**
+ Builds a HOB for the BSP store.
+
+ This function builds a HOB for BSP store.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param BaseAddress The 64 bit physical address of the BSP.
+ @param Length The length of the BSP store in bytes.
+ @param MemoryType Type of memory allocated by this HOB.
+
+**/
+VOID
+EFIAPI
+BuildBspStoreHob (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length,
+ IN EFI_MEMORY_TYPE MemoryType
+ )
+;
+
+/**
+ Builds a HOB for the memory allocation.
+
+ This function builds a HOB for the memory allocation.
+ It can only be invoked during PEI phase;
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+ If there is no additional space for HOB creation, then ASSERT().
+
+ @param BaseAddress The 64 bit physical address of the memory.
+ @param Length The length of the memory allocation in bytes.
+ @param MemoryType Type of memory allocated by this HOB.
+
+**/
+VOID
+EFIAPI
+BuildMemoryAllocationHob (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length,
+ IN EFI_MEMORY_TYPE MemoryType
+ )
+;
+
+#endif
diff --git a/MdePkg/Include/Library/IfrSupportLib.h b/MdePkg/Include/Library/IfrSupportLib.h new file mode 100644 index 000000000..d2a1ff5ee --- /dev/null +++ b/MdePkg/Include/Library/IfrSupportLib.h @@ -0,0 +1,1270 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ IfrSupportLib.h
+
+Abstract:
+
+ The file contain all library function for Ifr Operations.
+
+--*/
+
+#ifndef _IFRSUPPORTLIBRARY_H
+#define _IFRSUPPORTLIBRARY_H
+
+#define DEFAULT_FORM_BUFFER_SIZE 0xFFFF
+#define DEFAULT_STRING_BUFFER_SIZE 0xFFFF
+
+#pragma pack(1)
+typedef struct {
+ CHAR16 *OptionString; // Passed in string to generate a token for in a truly dynamic form creation
+ STRING_REF StringToken; // This is used when creating a single op-code without generating a StringToken (have one already)
+ UINT16 Value;
+ UINT8 Flags;
+ UINT16 Key;
+} IFR_OPTION;
+#pragma pack()
+
+EFI_STATUS
+GetCurrentLanguage (
+ OUT CHAR16 *Lang
+ )
+/*++
+
+Routine Description:
+
+ Determine what is the current language setting
+
+Arguments:
+
+ Lang - Pointer of system language
+
+Returns:
+
+ Status code
+
+--*/
+;
+
+EFI_STATUS
+AddString (
+ IN VOID *StringBuffer,
+ IN CHAR16 *Language,
+ IN CHAR16 *String,
+ IN OUT STRING_REF *StringToken
+ )
+/*++
+
+Routine Description:
+
+ Add a string to the incoming buffer and return the token and offset data
+
+Arguments:
+
+ StringBuffer - The incoming buffer
+
+ Language - Currrent language
+
+ String - The string to be added
+
+ StringToken - The index where the string placed
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+ EFI_SUCCESS - String successfully added to the incoming buffer
+
+--*/
+;
+
+EFI_STATUS
+AddOpCode (
+ IN VOID *FormBuffer,
+ IN OUT VOID *OpCodeData
+ )
+/*++
+
+Routine Description:
+
+ Add op-code data to the FormBuffer
+
+Arguments:
+
+ FormBuffer - Form buffer to be inserted to
+
+ OpCodeData - Op-code data to be inserted
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+ EFI_SUCCESS - Op-code data successfully inserted
+
+--*/
+;
+
+EFI_STATUS
+CreateFormSet (
+ IN CHAR16 *FormSetTitle,
+ IN EFI_GUID *Guid,
+ IN UINT8 Class,
+ IN UINT8 SubClass,
+ IN OUT VOID **FormBuffer,
+ IN OUT VOID **StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a formset
+
+Arguments:
+
+ FormSetTitle - Title of formset
+
+ Guid - Guid of formset
+
+ Class - Class of formset
+
+ SubClass - Sub class of formset
+
+ FormBuffer - Pointer of the formset created
+
+ StringBuffer - Pointer of FormSetTitile string created
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+ EFI_SUCCESS - Formset successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateForm (
+ IN CHAR16 *FormTitle,
+ IN UINT16 FormId,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a form
+
+Arguments:
+
+ FormTitle - Title of the form
+
+ FormId - Id of the form
+
+ FormBuffer - Pointer of the form created
+
+ StringBuffer - Pointer of FormTitil string created
+
+Returns:
+
+ EFI_SUCCESS - Form successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateSubTitle (
+ IN CHAR16 *SubTitle,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a SubTitle
+
+Arguments:
+
+ SubTitle - Sub title to be created
+
+ FormBuffer - Where this subtitle to add to
+
+ StringBuffer - String buffer created for subtitle
+
+Returns:
+
+ EFI_SUCCESS - Subtitle successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateText (
+ IN CHAR16 *String,
+ IN CHAR16 *String2,
+ IN CHAR16 *String3,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a line of text
+
+Arguments:
+
+ String - First string of the text
+
+ String2 - Second string of the text
+
+ String3 - Help string of the text
+
+ Flags - Flag of the text
+
+ Key - Key of the text
+
+ FormBuffer - The form where this text adds to
+
+ StringBuffer - String buffer created for String, String2 and String3
+
+Returns:
+
+ EFI_SUCCESS - Text successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateGoto (
+ IN UINT16 FormId,
+ IN CHAR16 *Prompt,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a hyperlink
+
+Arguments:
+
+ FormId - Form ID of the hyperlink
+
+ Prompt - Prompt of the hyperlink
+
+ FormBuffer - The form where this hyperlink adds to
+
+ StringBuffer - String buffer created for Prompt
+
+Returns:
+
+ EFI_SUCCESS - Hyperlink successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateOneOf (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a one-of question with a set of options to choose from. The
+ OptionsList is a pointer to a null-terminated list of option descriptions.
+
+Arguments:
+
+ QuestionId - Question ID of the one-of box
+
+ DataWidth - DataWidth of the one-of box
+
+ Prompt - Prompt of the one-of box
+
+ Help - Help of the one-of box
+
+ OptionsList - Each string in it is an option of the one-of box
+
+ OptionCount - Option string count
+
+ FormBuffer - The form where this one-of box adds to
+
+ StringBuffer - String buffer created for Prompt, Help and Option strings
+
+Returns:
+
+ EFI_DEVICE_ERROR - DataWidth > 2
+
+ EFI_SUCCESS - One-Of box successfully created.
+
+--*/
+;
+
+EFI_STATUS
+CreateOrderedList (
+ IN UINT16 QuestionId,
+ IN UINT8 MaxEntries,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a one-of question with a set of options to choose from. The
+ OptionsList is a pointer to a null-terminated list of option descriptions.
+
+Arguments:
+
+ QuestionId - Question ID of the ordered list
+
+ MaxEntries - MaxEntries of the ordered list
+
+ Prompt - Prompt of the ordered list
+
+ Help - Help of the ordered list
+
+ OptionsList - Each string in it is an option of the ordered list
+
+ OptionCount - Option string count
+
+ FormBuffer - The form where this ordered list adds to
+
+ StringBuffer - String buffer created for Prompt, Help and Option strings
+
+Returns:
+
+ EFI_SUCCESS - Ordered list successfully created.
+
+--*/
+;
+
+EFI_STATUS
+CreateCheckBox (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN UINT8 Flags,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a checkbox
+
+Arguments:
+
+ QuestionId - Question ID of the check box
+
+ DataWidth - DataWidth of the check box
+
+ Prompt - Prompt of the check box
+
+ Help - Help of the check box
+
+ Flags - Flags of the check box
+
+ FormBuffer - The form where this check box adds to
+
+ StringBuffer - String buffer created for Prompt and Help.
+
+Returns:
+
+ EFI_DEVICE_ERROR - DataWidth > 1
+
+ EFI_SUCCESS - Check box successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateNumeric (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN UINT16 Minimum,
+ IN UINT16 Maximum,
+ IN UINT16 Step,
+ IN UINT16 Default,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a numeric
+
+Arguments:
+
+ QuestionId - Question ID of the numeric
+
+ DataWidth - DataWidth of the numeric
+
+ Prompt - Prompt of the numeric
+
+ Help - Help of the numeric
+
+ Minimum - Minumun boundary of the numeric
+
+ Maximum - Maximum boundary of the numeric
+
+ Step - Step of the numeric
+
+ Default - Default value
+
+ Flags - Flags of the numeric
+
+ Key - Key of the numeric
+
+ FormBuffer - The form where this numeric adds to
+
+ StringBuffer - String buffer created for Prompt and Help.
+
+Returns:
+
+ EFI_DEVICE_ERROR - DataWidth > 2
+
+ EFI_SUCCESS - Numeric is successfully created
+
+--*/
+;
+
+EFI_STATUS
+CreateString (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN UINT8 MinSize,
+ IN UINT8 MaxSize,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a string
+
+Arguments:
+
+ QuestionId - Question ID of the string
+
+ DataWidth - DataWidth of the string
+
+ Prompt - Prompt of the string
+
+ Help - Help of the string
+
+ MinSize - Min size boundary of the string
+
+ MaxSize - Max size boundary of the string
+
+ Flags - Flags of the string
+
+ Key - Key of the string
+
+ FormBuffer - The form where this string adds to
+
+ StringBuffer - String buffer created for Prompt and Help.
+
+Returns:
+
+ EFI_SUCCESS - String successfully created.
+
+--*/
+;
+
+EFI_STATUS
+ExtractDataFromHiiHandle (
+ IN EFI_HII_HANDLE HiiHandle,
+ IN OUT UINT16 *ImageLength,
+ OUT UINT8 *DefaultImage,
+ OUT EFI_GUID *Guid
+ )
+/*++
+
+Routine Description:
+
+ Extract information pertaining to the HiiHandle
+
+Arguments:
+
+ HiiHandle - Hii handle
+
+ ImageLength - For input, length of DefaultImage;
+ For output, length of actually required
+
+ DefaultImage - Image buffer prepared by caller
+
+ Guid - Guid information about the form
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+ EFI_BUFFER_TOO_SMALL - DefualtImage has no enough ImageLength
+
+ EFI_SUCCESS - Successfully extract data from Hii database.
+
+
+--*/
+;
+
+EFI_HII_HANDLE
+FindHiiHandle (
+ IN OUT EFI_HII_PROTOCOL **HiiProtocol, OPTIONAL
+ IN EFI_GUID *Guid
+ )
+/*++
+
+Routine Description:
+ Finds HII handle for given pack GUID previously registered with the HII.
+
+Arguments:
+ HiiProtocol - pointer to pointer to HII protocol interface.
+ If NULL, the interface will be found but not returned.
+ If it points to NULL, the interface will be found and
+ written back to the pointer that is pointed to.
+ Guid - The GUID of the pack that registered with the HII.
+
+Returns:
+ Handle to the HII pack previously registered by the memory driver.
+
+--*/
+;
+
+EFI_STATUS
+CreateSubTitleOpCode (
+ IN STRING_REF StringToken,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a SubTitle opcode independent of string creation
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+Arguments:
+
+ StringToken - StringToken of the subtitle
+
+ FormBuffer - Output of subtitle as a form
+
+Returns:
+
+ EFI_SUCCESS - Subtitle created to be a form
+
+--*/
+;
+
+EFI_STATUS
+CreateTextOpCode (
+ IN STRING_REF StringToken,
+ IN STRING_REF StringTokenTwo,
+ IN STRING_REF StringTokenThree,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a Text opcode independent of string creation
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+Arguments:
+
+ StringToken - First string token of the text
+
+ StringTokenTwo - Second string token of the text
+
+ StringTokenThree - Help string token of the text
+
+ Flags - Flag of the text
+
+ Key - Key of the text
+
+ FormBuffer - Output of text as a form
+
+Returns:
+
+ EFI_SUCCESS - Text created to be a form
+
+--*/
+;
+
+EFI_STATUS
+CreateGotoOpCode (
+ IN UINT16 FormId,
+ IN STRING_REF StringToken,
+ IN STRING_REF StringTokenTwo,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a hyperlink opcode independent of string creation
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+Arguments:
+
+ FormId - Form ID of the hyperlink
+
+ StringToken - Prompt string token of the hyperlink
+
+ StringTokenTwo - Help string token of the hyperlink
+
+ Flags - Flags of the hyperlink
+
+ Key - Key of the hyperlink
+
+ FormBuffer - Output of hyperlink as a form
+
+Returns:
+
+ EFI_SUCCESS - Hyperlink created to be a form
+
+--*/
+;
+
+EFI_STATUS
+CreateOneOfOpCode (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN STRING_REF PromptToken,
+ IN STRING_REF HelpToken,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a one-of opcode with a set of option op-codes to choose from independent of string creation.
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+ OptionsList is a pointer to a null-terminated list of option descriptions. Ensure that OptionsList[x].StringToken
+ has been filled in since this routine will not generate StringToken values.
+
+Arguments:
+
+ QuestionId - Question ID of the one-of box
+
+ DataWidth - DataWidth of the one-of box
+
+ PromptToken - Prompt string token of the one-of box
+
+ HelpToken - Help string token of the one-of box
+
+ OptionsList - Each string in it is an option of the one-of box
+
+ OptionCount - Option string count
+
+ FormBuffer - Output of One-Of box as a form
+
+Returns:
+
+ EFI_SUCCESS - One-Of box created to be a form
+
+ EFI_DEVICE_ERROR - DataWidth > 2
+
+--*/
+;
+
+EFI_STATUS
+CreateOrderedListOpCode (
+ IN UINT16 QuestionId,
+ IN UINT8 MaxEntries,
+ IN STRING_REF PromptToken,
+ IN STRING_REF HelpToken,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a ordered list opcode with a set of option op-codes to choose from independent of string creation.
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+ OptionsList is a pointer to a null-terminated list of option descriptions. Ensure that OptionsList[x].StringToken
+ has been filled in since this routine will not generate StringToken values.
+
+Arguments:
+
+ QuestionId - Question ID of the ordered list
+
+ MaxEntries - MaxEntries of the ordered list
+
+ PromptToken - Prompt string token of the ordered list
+
+ HelpToken - Help string token of the ordered list
+
+ OptionsList - Each string in it is an option of the ordered list
+
+ OptionCount - Option string count
+
+ FormBuffer - Output of ordered list as a form
+
+Returns:
+
+ EFI_SUCCESS - Ordered list created to be a form
+
+--*/
+;
+
+EFI_STATUS
+CreateCheckBoxOpCode (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN STRING_REF PromptToken,
+ IN STRING_REF HelpToken,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a checkbox opcode independent of string creation
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+Arguments:
+
+ QuestionId - Question ID of the check box
+
+ DataWidth - DataWidth of the check box
+
+ PromptToken - Prompt string token of the check box
+
+ HelpToken - Help string token of the check box
+
+ Flags - Flags of the check box
+
+ Key - Key of the check box
+
+ FormBuffer - Output of the check box as a form
+
+Returns:
+
+ EFI_SUCCESS - Checkbox created to be a form
+
+ EFI_DEVICE_ERROR - DataWidth > 1
+
+--*/
+;
+
+EFI_STATUS
+CreateNumericOpCode (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN STRING_REF PromptToken,
+ IN STRING_REF HelpToken,
+ IN UINT16 Minimum,
+ IN UINT16 Maximum,
+ IN UINT16 Step,
+ IN UINT16 Default,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a numeric opcode independent of string creation
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+Arguments:
+
+ QuestionId - Question ID of the numeric
+
+ DataWidth - DataWidth of the numeric
+
+ PromptToken - Prompt string token of the numeric
+
+ HelpToken - Help string token of the numeric
+
+ Minimum - Minumun boundary of the numeric
+
+ Maximum - Maximum boundary of the numeric
+
+ Step - Step of the numeric
+
+ Default - Default value of the numeric
+
+ Flags - Flags of the numeric
+
+ Key - Key of the numeric
+
+ FormBuffer - Output of the numeric as a form
+
+Returns:
+
+ EFI_SUCCESS - The numeric created to be a form.
+
+ EFI_DEVICE_ERROR - DataWidth > 2
+
+--*/
+;
+
+EFI_STATUS
+CreateStringOpCode (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN STRING_REF PromptToken,
+ IN STRING_REF HelpToken,
+ IN UINT8 MinSize,
+ IN UINT8 MaxSize,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a numeric opcode independent of string creation
+ This is used primarily by users who need to create just one particular valid op-code and the string
+ data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
+ location to pre-defined forms in HII)
+
+Arguments:
+
+ QuestionId - Question ID of the string
+
+ DataWidth - DataWidth of the string
+
+ PromptToken - Prompt token of the string
+
+ HelpToken - Help token of the string
+
+ MinSize - Min size boundary of the string
+
+ MaxSize - Max size boundary of the string
+
+ Flags - Flags of the string
+
+ Key - Key of the string
+
+ FormBuffer - Output of the string as a form
+
+Returns:
+
+ EFI_SUCCESS - String created to be a form.
+
+--*/
+;
+
+EFI_STATUS
+ValidateDataFromHiiHandle (
+ IN EFI_HII_HANDLE HiiHandle,
+ OUT BOOLEAN *Results
+ )
+/*++
+
+Routine Description:
+
+ Validate that the data associated with the HiiHandle in NVRAM is within
+ the reasonable parameters for that FormSet. Values for strings and passwords
+ are not verified due to their not having the equivalent of valid range settings.
+
+Arguments:
+
+ HiiHandle - Handle of the HII database entry to query
+
+ Results - If return Status is EFI_SUCCESS, Results provides valid data
+ TRUE = NVRAM Data is within parameters
+ FALSE = NVRAM Data is NOT within parameters
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+ EFI_SUCCESS - Data successfully validated
+--*/
+;
+
+EFI_STATUS
+CreateBannerOpCode (
+ IN UINT16 Title,
+ IN UINT16 LineNumber,
+ IN UINT8 Alignment,
+ IN OUT VOID *FormBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a banner opcode. This is primarily used by the FrontPage implementation from BDS.
+
+Arguments:
+
+ Title - Title of the banner
+
+ LineNumber - LineNumber of the banner
+
+ Alignment - Alignment of the banner
+
+ FormBuffer - Output of banner as a form
+
+Returns:
+
+ EFI_SUCCESS - Banner created to be a form.
+
+--*/
+;
+
+VOID
+EfiLibHiiVariablePackGetMap (
+ IN EFI_HII_VARIABLE_PACK *Pack,
+ OUT CHAR16 **Name, OPTIONAL
+ OUT EFI_GUID **Guid, OPTIONAL
+ OUT UINT16 *Id, OPTIONAL
+ OUT VOID **Var, OPTIONAL
+ OUT UINTN *Size OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Extracts a variable form a Pack.
+
+Arguments:
+
+ Pack - List of variables
+ Name - Name of the variable/map
+ Guid - GUID of the variable/map
+ Var - Pointer to the variable/map
+ Size - Size of the variable/map in bytes
+
+Returns:
+
+ VOID.
+
+--*/
+;
+
+UINTN
+EfiLibHiiVariablePackListGetMapCnt (
+ IN EFI_HII_VARIABLE_PACK_LIST *List
+ )
+/*++
+
+Routine Description:
+
+ Finds a count of the variables/maps in the List.
+
+Arguments:
+
+ List - List of variables
+
+Returns:
+
+ Number of Map in the variable pack list.
+
+--*/
+;
+
+typedef VOID (EFI_LIB_HII_VARIABLE_PACK_LIST_CALLBACK) (
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ IN UINT16 Id,
+ IN VOID *Var,
+ IN UINTN Size
+ )
+/*++
+
+Routine Description:
+
+ type definition for the callback to be
+ used with EfiLibHiiVariablePackListForEachVar().
+
+Arguments:
+
+ Id - Variable/Map ID
+ Name - Name of the variable/map
+ Guid - GUID of the variable/map
+ Var - Pointer to the variable/map
+ Size - Size of the variable/map in bytes
+
+Returns:
+
+ VOID
+
+--*/
+;
+
+VOID
+EfiLibHiiVariablePackListForEachVar (
+ IN EFI_HII_VARIABLE_PACK_LIST *List,
+ IN EFI_LIB_HII_VARIABLE_PACK_LIST_CALLBACK *Callback
+ )
+/*++
+
+Routine Description:
+
+ Will iterate all variable/maps as appearing
+ in List and for each, it will call the Callback.
+
+Arguments:
+
+ List - List of variables
+ Callback - Routine to be called for each iterated variable.
+
+Returns:
+
+ VOID
+
+--*/
+;
+
+EFI_STATUS
+EfiLibHiiVariablePackListGetMapByIdx (
+ IN UINTN Idx,
+ IN EFI_HII_VARIABLE_PACK_LIST *List,
+ OUT CHAR16 **Name, OPTIONAL
+ OUT EFI_GUID **Guid, OPTIONAL
+ OUT UINT16 *Id, OPTIONAL
+ OUT VOID **Var,
+ OUT UINTN *Size
+ )
+/*++
+
+Routine Description:
+
+ Finds a variable form List given
+ the order number as appears in the List.
+
+Arguments:
+
+ Idx - The index of the variable/map to retrieve
+ List - List of variables
+ Name - Name of the variable/map
+ Guid - GUID of the variable/map
+ Var - Pointer to the variable/map
+ Size - Size of the variable/map in bytes
+
+Returns:
+
+ EFI_SUCCESS - Variable is found, OUT parameters are valid
+ EFI_NOT_FOUND - Variable is not found, OUT parameters are not valid
+
+--*/
+;
+
+EFI_STATUS
+EfiLibHiiVariablePackListGetMapById (
+ IN UINT16 Id,
+ IN EFI_HII_VARIABLE_PACK_LIST *List,
+ OUT CHAR16 **Name, OPTIONAL
+ OUT EFI_GUID **Guid, OPTIONAL
+ OUT VOID **Var,
+ OUT UINTN *Size
+ )
+/*++
+
+Routine Description:
+
+ Finds a variable form List given the
+ order number as appears in the List.
+
+Arguments:
+
+ Id - The ID of the variable/map to retrieve
+ List - List of variables
+ Name - Name of the variable/map
+ Guid - GUID of the variable/map
+ Var - Pointer to the variable/map
+ Size - Size of the variable/map in bytes
+
+Returns:
+
+ EFI_SUCCESS - Variable is found, OUT parameters are valid
+ EFI_NOT_FOUND - Variable is not found, OUT parameters are not valid
+
+--*/
+;
+
+EFI_STATUS
+EfiLibHiiVariablePackListGetMap (
+ IN EFI_HII_VARIABLE_PACK_LIST *List,
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ OUT UINT16 *Id,
+ OUT VOID **Var,
+ OUT UINTN *Size
+ )
+/*++
+
+Routine Description:
+
+ Finds a variable form EFI_HII_VARIABLE_PACK_LIST given name and GUID.
+
+Arguments:
+
+ List - List of variables
+ Name - Name of the variable/map to be found
+ Guid - GUID of the variable/map to be found
+ Var - Pointer to the variable/map found
+ Size - Size of the variable/map in bytes found
+
+Returns:
+
+ EFI_SUCCESS - variable is found, OUT parameters are valid
+ EFI_NOT_FOUND - variable is not found, OUT parameters are not valid
+
+--*/
+;
+
+EFI_STATUS
+EfiLibHiiVariableRetrieveFromNv (
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ IN UINTN Size,
+ OUT VOID **Var
+ )
+/*++
+
+Routine Description:
+ Finds out if a variable of specific Name/Guid/Size exists in NV.
+ If it does, it will retrieve it into the Var.
+
+Arguments:
+ Name, Guid, Size - Parameters of the variable to retrieve. Must match exactly.
+ Var - Variable will be retrieved into buffer pointed by this pointer.
+ If pointing to NULL, the buffer will be allocated. Caller is responsible for releasing the buffer.
+Returns:
+ EFI_SUCCESS - The variable of exact Name/Guid/Size parameters was retrieved and written to Var.
+ EFI_NOT_FOUND - The variable of this Name/Guid was not found in the NV.
+ EFI_LOAD_ERROR - The variable in the NV was of different size, or NV API returned error.
+
+--*/
+;
+
+////
+//// Variable override support.
+////
+
+EFI_STATUS
+EfiLibHiiVariableOverrideIfSuffix (
+ IN CHAR16 *Suffix,
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ IN UINTN Size,
+ OUT VOID *Var
+ )
+/*++
+
+Routine Description:
+ Overrrides the variable with NV data if found.
+ But it only does it if the Name ends with specified Suffix.
+ For example, if Suffix="MyOverride" and the Name="XyzSetupMyOverride",
+ the Suffix matches the end of Name, so the variable will be loaded from NV
+ provided the variable exists and the GUID and Size matches.
+
+Arguments:
+ Suffix - Suffix the Name should end with.
+ Name, Guid, Size - Parameters of the variable to retrieve. Must match exactly.
+ Var - Variable will be retrieved into this buffer.
+ Caller is responsible for providing storage of exactly Size size in bytes.
+Returns:
+ EFI_SUCCESS - The variable was overriden with NV variable of same Name/Guid/Size.
+ EFI_INVALID_PARAMETER - The name of the variable does not end with <Suffix>.
+ EFI_NOT_FOUND - The variable of this Name/Guid was not found in the NV.
+ EFI_LOAD_ERROR - The variable in the NV was of different size, or NV API returned error.
+
+--*/
+;
+
+EFI_STATUS
+EfiLibHiiVariableOverrideBySuffix (
+ IN CHAR16 *Suffix,
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ IN UINTN Size,
+ OUT VOID *Var
+ )
+/*++
+
+Routine Description:
+ Overrrides the variable with NV data if found.
+ But it only does it if the NV contains the same variable with Name is appended with Suffix.
+ For example, if Suffix="MyOverride" and the Name="XyzSetup",
+ the Suffix will be appended to the end of Name, and the variable with Name="XyzSetupMyOverride"
+ will be loaded from NV provided the variable exists and the GUID and Size matches.
+
+Arguments:
+ Suffix - Suffix the variable will be appended with.
+ Name, Guid, Size - Parameters of the variable to retrieve. Must match exactly.
+ Var - Variable will be retrieved into this buffer.
+ Caller is responsible for providing storage of exactly Size size in bytes.
+
+Returns:
+ EFI_SUCCESS - The variable was overriden with NV variable of same Name/Guid/Size.
+ EFI_NOT_FOUND - The variable of this Name/Guid was not found in the NV.
+ EFI_LOAD_ERROR - The variable in the NV was of different size, or NV API returned error.
+
+--*/
+;
+
+#endif
diff --git a/MdePkg/Include/Library/IoLib.h b/MdePkg/Include/Library/IoLib.h new file mode 100644 index 000000000..e86068c5f --- /dev/null +++ b/MdePkg/Include/Library/IoLib.h @@ -0,0 +1,2548 @@ +/** @file + I/O and MMIO Library Services + + Copyright (c) 2006 - 2007, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: IoLib.h + +**/ + +#ifndef __IO_LIB_H__ +#define __IO_LIB_H__ + +#define IO_LIB_ADDRESS(Segment,Port) \ + ( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) ) + +/** + Reads an 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +IoRead8 ( + IN UINTN Port + ); + +/** + Writes an 8-bit I/O port. + + Writes the 8-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT8 +EFIAPI +IoWrite8 ( + IN UINTN Port, + IN UINT8 Value + ); + +/** + Reads an 8-bit I/O port, performs a bitwise inclusive OR, and writes the + result back to the 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 8-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoOr8 ( + IN UINTN Port, + IN UINT8 OrData + ); + +/** + Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back + to the 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 8-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoAnd8 ( + IN UINTN Port, + IN UINT8 AndData + ); + +/** + Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 8-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoAndThenOr8 ( + IN UINTN Port, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in an 8-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value read. + +**/ +UINT8 +EFIAPI +IoBitFieldRead8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldWrite8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 8-bit port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 8-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldOr8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 8-bit port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 8-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldAnd8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise inclusive OR, and writes the result back to the bit field in the + 8-bit port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise inclusive OR between the read result and the value specified by + AndData, and writes the result to the 8-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldAndThenOr8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +IoRead16 ( + IN UINTN Port + ); + +/** + Writes a 16-bit I/O port. + + Writes the 16-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT16 +EFIAPI +IoWrite16 ( + IN UINTN Port, + IN UINT16 Value + ); + +/** + Reads a 16-bit I/O port, performs a bitwise inclusive OR, and writes the + result back to the 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 16-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoOr16 ( + IN UINTN Port, + IN UINT16 OrData + ); + +/** + Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back + to the 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 16-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoAnd16 ( + IN UINTN Port, + IN UINT16 AndData + ); + +/** + Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 16-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoAndThenOr16 ( + IN UINTN Port, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in a 16-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value read. + +**/ +UINT16 +EFIAPI +IoBitFieldRead16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldWrite16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 16-bit port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 16-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldOr16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 16-bit port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 16-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldAnd16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise inclusive OR, and writes the result back to the bit field in the + 16-bit port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise inclusive OR between the read result and the value specified by + AndData, and writes the result to the 16-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldAndThenOr16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +IoRead32 ( + IN UINTN Port + ); + +/** + Writes a 32-bit I/O port. + + Writes the 32-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT32 +EFIAPI +IoWrite32 ( + IN UINTN Port, + IN UINT32 Value + ); + +/** + Reads a 32-bit I/O port, performs a bitwise inclusive OR, and writes the + result back to the 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 32-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoOr32 ( + IN UINTN Port, + IN UINT32 OrData + ); + +/** + Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back + to the 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 32-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoAnd32 ( + IN UINTN Port, + IN UINT32 AndData + ); + +/** + Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 32-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoAndThenOr32 ( + IN UINTN Port, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in a 32-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value read. + +**/ +UINT32 +EFIAPI +IoBitFieldRead32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldWrite32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 32-bit port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 32-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldOr32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 32-bit port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 32-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldAnd32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise inclusive OR, and writes the result back to the bit field in the + 32-bit port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise inclusive OR between the read result and the value specified by + AndData, and writes the result to the 32-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldAndThenOr32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +IoRead64 ( + IN UINTN Port + ); + +/** + Writes a 64-bit I/O port. + + Writes the 64-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT64 +EFIAPI +IoWrite64 ( + IN UINTN Port, + IN UINT64 Value + ); + +/** + Reads a 64-bit I/O port, performs a bitwise inclusive OR, and writes the + result back to the 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoOr64 ( + IN UINTN Port, + IN UINT64 OrData + ); + +/** + Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back + to the 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 64-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoAnd64 ( + IN UINTN Port, + IN UINT64 AndData + ); + +/** + Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 64-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoAndThenOr64 ( + IN UINTN Port, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in a 64-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read. + +**/ +UINT64 +EFIAPI +IoBitFieldRead64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldWrite64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 64-bit port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise inclusive OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldOr64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 64-bit port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 64-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldAnd64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise AND followed by a + bitwise inclusive OR, and writes the result back to the bit field in the + 64-bit port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise inclusive OR between the read result and the value specified by + AndData, and writes the result to the 64-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldAndThenOr64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads an 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address. The 8-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +MmioRead8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit MMIO register. + + Writes the 8-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioWrite8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise inclusive OR, and writes the + result back to the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 8-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioOr8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result + back to the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 8-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioAnd8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 8-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioAndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in an 8-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value read. + +**/ +UINT8 +EFIAPI +MmioBitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 8-bit register is returned. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 8-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 8-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed + by a bitwise inclusive OR, and writes the result back to the bit field in the + 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise inclusive OR between the read result and the value + specified by AndData, and writes the result to the 8-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address. The 16-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +MmioRead16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit MMIO register. + + Writes the 16-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioWrite16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise inclusive OR, and writes the + result back to the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 16-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioOr16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result + back to the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 16-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioAnd16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 16-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioAndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in a 16-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value read. + +**/ +UINT16 +EFIAPI +MmioBitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 16-bit register is returned. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 16-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 16-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed + by a bitwise inclusive OR, and writes the result back to the bit field in the + 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise inclusive OR between the read result and the value + specified by AndData, and writes the result to the 16-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address. The 32-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +MmioRead32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit MMIO register. + + Writes the 32-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioWrite32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise inclusive OR, and writes the + result back to the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 32-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioOr32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result + back to the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 32-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioAnd32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 32-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioAndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in a 32-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value read. + +**/ +UINT32 +EFIAPI +MmioBitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 32-bit register is returned. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 32-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 32-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed + by a bitwise inclusive OR, and writes the result back to the bit field in the + 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise inclusive OR between the read result and the value + specified by AndData, and writes the result to the 32-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address. The 64-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +MmioRead64 ( + IN UINTN Address + ); + +/** + Writes a 64-bit MMIO register. + + Writes the 64-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioWrite64 ( + IN UINTN Address, + IN UINT64 Value + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise inclusive OR, and writes the + result back to the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 64-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioOr64 ( + IN UINTN Address, + IN UINT64 OrData + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result + back to the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 64-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioAnd64 ( + IN UINTN Address, + IN UINT64 AndData + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, and writes the result back to the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 64-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioAndThenOr64 ( + IN UINTN Address, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in a 64-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read. + +**/ +UINT64 +EFIAPI +MmioBitFieldRead64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 64-bit register is returned. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldWrite64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 64-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldOr64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 64-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldAnd64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed + by a bitwise inclusive OR, and writes the result back to the bit field in the + 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise inclusive OR between the read result and the value + specified by AndData, and writes the result to the 64-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldAndThenOr64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Copy data from MMIO region to system memory by using 8-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 8-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT8 * +EFIAPI +MmioReadBuffer8 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT8 *Buffer + ); + +/** + Copy data from MMIO region to system memory by using 16-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 16-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT16 * +EFIAPI +MmioReadBuffer16 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT16 *Buffer + ); + +/** + Copy data from MMIO region to system memory by using 32-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 32-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT32 * +EFIAPI +MmioReadBuffer32 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT32 *Buffer + ); + +/** + Copy data from MMIO region to system memory by using 64-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 64-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT64 * +EFIAPI +MmioReadBuffer64 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT64 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 8-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 8-bit access. The total number + of byte to be copied is specified by Length. Buffer is returned. + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Size in bytes of the copy. + +**/ +UINT8 * +EFIAPI +MmioWriteBuffer8 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT8 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 16-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 16-bit access. The total number + of byte to be copied is specified by Length. Length is returned. + + If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 16-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Size in bytes of the copy. + +**/ +UINT16 * +EFIAPI +MmioWriteBuffer16 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT16 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 32-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 32-bit access. The total number + of byte to be copied is specified by Length. Length is returned. + + If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 32-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Size in bytes of the copy. + +**/ +UINT32 * +EFIAPI +MmioWriteBuffer32 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT32 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 64-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 64-bit access. The total number + of byte to be copied is specified by Length. Length is returned. + + If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 64-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length Size in bytes of the copy. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Size in bytes of the copy. + +**/ +UINT64 * +EFIAPI +MmioWriteBuffer64 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT64 *Buffer + ); + + +#endif + diff --git a/MdePkg/Include/Library/MemoryAllocationLib.h b/MdePkg/Include/Library/MemoryAllocationLib.h new file mode 100644 index 000000000..a2aafcfd7 --- /dev/null +++ b/MdePkg/Include/Library/MemoryAllocationLib.h @@ -0,0 +1,622 @@ +/** @file
+ Memory Allocation Library Services
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: MemoryAllocationLib.h
+
+**/
+
+#ifndef __MEMORY_ALLOCATION_LIB_H__
+#define __MEMORY_ALLOCATION_LIB_H__
+
+/**
+ Allocates one or more 4KB pages of type EfiBootServicesData.
+
+ Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocatePages (
+ IN UINTN Pages
+ );
+
+/**
+ Allocates one or more 4KB pages of type EfiRuntimeServicesData.
+
+ Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimePages (
+ IN UINTN Pages
+ );
+
+/**
+ Allocates one or more 4KB pages of type EfiReservedMemoryType.
+
+ Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedPages (
+ IN UINTN Pages
+ );
+
+/**
+ Frees one or more 4KB pages that were previously allocated with one of the page allocation
+ functions in the Memory Allocation Library.
+
+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer
+ must have been allocated on a previous call to the page allocation services of the Memory
+ Allocation Library.
+ If Buffer was not allocated with a page allocation function in the Memory Allocation Library,
+ then ASSERT().
+ If Pages is zero, then ASSERT().
+
+ @param Buffer Pointer to the buffer of pages to free.
+ @param Pages The number of 4 KB pages to free.
+
+**/
+VOID
+EFIAPI
+FreePages (
+ IN VOID *Buffer,
+ IN UINTN Pages
+ );
+
+/**
+ Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.
+
+ Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an
+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is
+ returned. If there is not enough memory at the specified alignment remaining to satisfy the
+ request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param Pages The number of 4 KB pages to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedPages (
+ IN UINTN Pages,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment.
+
+ Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an
+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is
+ returned. If there is not enough memory at the specified alignment remaining to satisfy the
+ request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param Pages The number of 4 KB pages to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimePages (
+ IN UINTN Pages,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment.
+
+ Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an
+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is
+ returned. If there is not enough memory at the specified alignment remaining to satisfy the
+ request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param Pages The number of 4 KB pages to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedPages (
+ IN UINTN Pages,
+ IN UINTN Alignment
+ );
+
+/**
+ Frees one or more 4KB pages that were previously allocated with one of the aligned page
+ allocation functions in the Memory Allocation Library.
+
+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer
+ must have been allocated on a previous call to the aligned page allocation services of the Memory
+ Allocation Library.
+ If Buffer was not allocated with an aligned page allocation function in the Memory Allocation
+ Library, then ASSERT().
+ If Pages is zero, then ASSERT().
+
+ @param Buffer Pointer to the buffer of pages to free.
+ @param Pages The number of 4 KB pages to free.
+
+**/
+VOID
+EFIAPI
+FreeAlignedPages (
+ IN VOID *Buffer,
+ IN UINTN Pages
+ );
+
+/**
+ Allocates a buffer of type EfiBootServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a
+ pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocatePool (
+ IN UINTN AllocationSize
+ );
+
+/**
+ Allocates a buffer of type EfiRuntimeServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns
+ a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimePool (
+ IN UINTN AllocationSize
+ );
+
+/**
+ Allocates a buffer of type EfieservedMemoryType.
+
+ Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType and returns
+ a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedPool (
+ IN UINTN AllocationSize
+ );
+
+/**
+ Allocates and zeros a buffer of type EfiBootServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
+ request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateZeroPool (
+ IN UINTN AllocationSize
+ );
+
+/**
+ Allocates and zeros a buffer of type EfiRuntimeServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
+ request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimeZeroPool (
+ IN UINTN AllocationSize
+ );
+
+/**
+ Allocates and zeros a buffer of type EfiReservedMemoryType.
+
+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
+ request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedZeroPool (
+ IN UINTN AllocationSize
+ );
+
+/**
+ Copies a buffer to an allocated buffer of type EfiBootServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
+ is not enough memory remaining to satisfy the request, then NULL is returned.
+ If Buffer is NULL, then ASSERT().
+ If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate and zero.
+ @param Buffer The buffer to copy to the allocated buffer.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer
+ );
+
+/**
+ Copies a buffer to an allocated buffer of type EfiRuntimeServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
+ is not enough memory remaining to satisfy the request, then NULL is returned.
+ If Buffer is NULL, then ASSERT().
+ If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate and zero.
+ @param Buffer The buffer to copy to the allocated buffer.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimeCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer
+ );
+
+/**
+ Copies a buffer to an allocated buffer of type EfiReservedMemoryType.
+
+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
+ is not enough memory remaining to satisfy the request, then NULL is returned.
+ If Buffer is NULL, then ASSERT().
+ If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate and zero.
+ @param Buffer The buffer to copy to the allocated buffer.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer
+ );
+
+/**
+ Frees a buffer that was previously allocated with one of the pool allocation functions in the
+ Memory Allocation Library.
+
+ Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the
+ pool allocation services of the Memory Allocation Library.
+ If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,
+ then ASSERT().
+
+ @param Buffer Pointer to the buffer to free.
+
+**/
+VOID
+EFIAPI
+FreePool (
+ IN VOID *Buffer
+ );
+
+/**
+ Allocates a buffer of type EfiBootServicesData at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData with an
+ alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0,
+ then a valid buffer of 0 size is returned. If there is not enough memory at the specified
+ alignment remaining to satisfy the request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates a buffer of type EfiRuntimeServicesData at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData with an
+ alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0,
+ then a valid buffer of 0 size is returned. If there is not enough memory at the specified
+ alignment remaining to satisfy the request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimePool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates a buffer of type EfieservedMemoryType at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType with an
+ alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0,
+ then a valid buffer of 0 size is returned. If there is not enough memory at the specified
+ alignment remaining to satisfy the request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates and zeros a buffer of type EfiBootServicesData at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData with an
+ alignment specified by Alignment, clears the buffer with zeros, and returns a pointer to the
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
+ is not enough memory at the specified alignment remaining to satisfy the request, then NULL is
+ returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedZeroPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates and zeros a buffer of type EfiRuntimeServicesData at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData with an
+ alignment specified by Alignment, clears the buffer with zeros, and returns a pointer to the
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
+ is not enough memory at the specified alignment remaining to satisfy the request, then NULL is
+ returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimeZeroPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ );
+
+/**
+ Allocates and zeros a buffer of type EfieservedMemoryType at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType with an
+ alignment specified by Alignment, clears the buffer with zeros, and returns a pointer to the
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
+ is not enough memory at the specified alignment remaining to satisfy the request, then NULL is
+ returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedZeroPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ );
+
+/**
+ Copies a buffer to an allocated buffer of type EfiBootServicesData at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData type with an
+ alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0,
+ then a valid buffer of 0 size is returned. If there is not enough memory at the specified
+ alignment remaining to satisfy the request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer,
+ IN UINTN Alignment
+ );
+
+/**
+ Copies a buffer to an allocated buffer of type EfiRuntimeServicesData at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData type with an
+ alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0,
+ then a valid buffer of 0 size is returned. If there is not enough memory at the specified
+ alignment remaining to satisfy the request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimeCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer,
+ IN UINTN Alignment
+ );
+
+/**
+ Copies a buffer to an allocated buffer of type EfiReservedMemoryType at a specified alignment.
+
+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType type with an
+ alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0,
+ then a valid buffer of 0 size is returned. If there is not enough memory at the specified
+ alignment remaining to satisfy the request, then NULL is returned.
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer,
+ IN UINTN Alignment
+ );
+
+/**
+ Frees a buffer that was previously allocated with one of the aligned pool allocation functions
+ in the Memory Allocation Library.
+
+ Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the
+ aligned pool allocation services of the Memory Allocation Library.
+ If Buffer was not allocated with an aligned pool allocation function in the Memory Allocation
+ Library, then ASSERT().
+
+ @param Buffer Pointer to the buffer to free.
+
+**/
+VOID
+EFIAPI
+FreeAlignedPool (
+ IN VOID *Buffer
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PalCallLib.h b/MdePkg/Include/Library/PalCallLib.h new file mode 100644 index 000000000..8deb55a5b --- /dev/null +++ b/MdePkg/Include/Library/PalCallLib.h @@ -0,0 +1,61 @@ +/** @file
+ PAL Call Services
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PalCallLib.h
+
+**/
+
+#ifndef __PAL_CALL_LIB_H__
+#define __PAL_CALL_LIB_H__
+
+
+#include <Base.h>
+//
+// PAL_CALL_RETURN
+//
+
+/**
+ Makes a PAL procedure call.
+
+ This is a wrapper function to make a PAL procedure call. Based on the Index value,
+ this API will make static or stacked PAL call. Architected procedures may be designated
+ as required or optional. If a PAL procedure is specified as optional, a unique return
+ code of 0xFFFFFFFFFFFFFFFF is returned in the Status field of the PAL_CALL_RETURN structure.
+ This indicates that the procedure is not present in this PAL implementation. It is the
+ caller¡¯s responsibility to check for this return code after calling any optional PAL
+ procedure. No parameter checking is performed on the 4 input parameters, but there are
+ some common rules that the caller should follow when making a PAL call. Any address
+ passed to PAL as buffers for return parameters must be 8-byte aligned. Unaligned addresses
+ may cause undefined results. For those parameters defined as reserved or some fields
+ defined as reserved must be zero filled or the invalid argument return value may be
+ returned or undefined result may occur during the execution of the procedure.
+ This function is only available on IPF.
+
+ @param Index - The PAL procedure Index number.
+ @param Arg2 - The 2nd parameter for PAL procedure calls.
+ @param Arg3 - The 3rd parameter for PAL procedure calls.
+ @param Arg4 - The 4th parameter for PAL procedure calls.
+
+ @return structure returned from the PAL Call procedure, including the status and return value.
+
+**/
+PAL_CALL_RETURN
+EFIAPI
+PalCall (
+ IN UINT64 Index,
+ IN UINT64 Arg2,
+ IN UINT64 Arg3,
+ IN UINT64 Arg4
+ );
+
+#endif
+
diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h new file mode 100644 index 000000000..28566d9fb --- /dev/null +++ b/MdePkg/Include/Library/PcdLib.h @@ -0,0 +1,779 @@ +/** @file
+PCD Library Class Interface Declarations
+
+Copyright (c) 2006 - 2007, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+Module Name: PcdLib.h
+
+**/
+
+#ifndef __PCD_LIB_H__
+#define __PCD_LIB_H__
+
+#define PCD_INVALID_TOKEN_NUMBER ((UINTN) 0)
+
+#define PcdToken(TokenName) _PCD_TOKEN_##TokenName
+
+
+//
+// Feature Flag is in the form of a global constant
+//
+#define FeaturePcdGet(TokenName) _PCD_GET_MODE_BOOL_##TokenName
+
+
+//
+// Fixed is fixed at build time
+//
+#define FixedPcdGet8(TokenName) _PCD_VALUE_##TokenName
+#define FixedPcdGet16(TokenName) _PCD_VALUE_##TokenName
+#define FixedPcdGet32(TokenName) _PCD_VALUE_##TokenName
+#define FixedPcdGet64(TokenName) _PCD_VALUE_##TokenName
+#define FixedPcdGetBool(TokenName) _PCD_VALUE_##TokenName
+
+
+#define FixedPcdGetPtr(TokenName) ((VOID *)_PCD_VALUE_##TokenName)
+
+
+//
+// (Binary) Patch is in the form of a global variable
+//
+#define PatchPcdGet8(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGet16(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGet32(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGet64(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGetBool(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGetPtr(TokenName) ((VOID *)_gPcd_BinaryPatch_##TokenName)
+
+#define PatchPcdSet8(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))
+#define PatchPcdSet16(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))
+#define PatchPcdSet32(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))
+#define PatchPcdSet64(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))
+#define PatchPcdSetBool(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))
+#define PatchPcdSetPtr(TokenName, Size, Buffer) \
+ LibPatchPcdSetPtr ( \
+ _gPcd_BinaryPatch_##TokenName, \
+ (UINTN)_PCD_PATCHABLE_##TokenName##_SIZE, \
+ (Size), \
+ (Buffer) \
+ )
+
+//
+// Dynamic is via the protocol with only the TokenNumber as argument
+// It can also be Patch or Fixed type based on a build option
+//
+#define PcdGet8(TokenName) _PCD_GET_MODE_8_##TokenName
+#define PcdGet16(TokenName) _PCD_GET_MODE_16_##TokenName
+#define PcdGet32(TokenName) _PCD_GET_MODE_32_##TokenName
+#define PcdGet64(TokenName) _PCD_GET_MODE_64_##TokenName
+#define PcdGetPtr(TokenName) _PCD_GET_MODE_PTR_##TokenName
+#define PcdGetBool(TokenName) _PCD_GET_MODE_BOOL_##TokenName
+
+//
+// Dynamic Set
+//
+#define PcdSet8(TokenName, Value) _PCD_SET_MODE_8_##TokenName ((Value))
+#define PcdSet16(TokenName, Value) _PCD_SET_MODE_16_##TokenName ((Value))
+#define PcdSet32(TokenName, Value) _PCD_SET_MODE_32_##TokenName ((Value))
+#define PcdSet64(TokenName, Value) _PCD_SET_MODE_64_##TokenName ((Value))
+#define PcdSetPtr(TokenName, SizeOfBuffer, Buffer) \
+ _PCD_SET_MODE_PTR_##TokenName ((SizeOfBuffer), (Buffer))
+#define PcdSetBool(TokenName, Value) _PCD_SET_MODE_BOOL_##TokenName ((Value))
+
+//
+// Dynamic Ex is to support binary distribution
+//
+#define PcdGetEx8(Guid, TokenName) LibPcdGetEx8 ((Guid), _PCD_TOKEN_##TokenName)
+#define PcdGetEx16(Guid, TokenName) LibPcdGetEx16 ((Guid), _PCD_TOKEN_##TokenName)
+#define PcdGetEx32(Guid, TokenName) LibPcdGetEx32 ((Guid), _PCD_TOKEN_##TokenName)
+#define PcdGetEx64(Guid, TokenName) LibPcdGetEx64 ((Guid), _PCD_TOKEN_##TokenName)
+#define PcdGetExPtr(Guid, TokenName) LibPcdGetExPtr ((Guid), _PCD_TOKEN_##TokenName)
+#define PcdGetExBool(Guid, TokenName) LibPcdGetExBool ((Guid), _PCD_TOKEN_##TokenName)
+
+//
+// Dynamic Set Ex
+//
+#define PcdSetEx8(Guid, TokenName, Value) LibPcdSetEx8 ((Guid), _PCD_TOKEN_##TokenName, (Value))
+#define PcdSetEx16(Guid, TokenName, Value) LibPcdSetEx16 ((Guid), _PCD_TOKEN_##TokenName, (Value))
+#define PcdSetEx32(Guid, TokenName, Value) LibPcdSetEx32 ((Guid), _PCD_TOKEN_##TokenName, (Value))
+#define PcdSetEx64(Guid, TokenName, Value) LibPcdSetEx64 ((Guid), _PCD_TOKEN_##TokenName, (Value))
+#define PcdSetExPtr(Guid, TokenName, SizeOfBuffer, Buffer) \
+ LibPcdSetExPtr ((Guid), _PCD_TOKEN_##TokenName, (SizeOfBuffer), (Buffer))
+#define PcdSetExBool(Guid, TokenName, Value) \
+ LibPcdSetExBool((Guid), _PCD_TOKEN_##TokenName, (Value))
+
+
+/**
+ Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.
+
+ @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and
+ set values associated with a PCD token.
+
+ @retval SKU_ID Return the SKU ID that just be set.
+
+**/
+UINTN
+EFIAPI
+LibPcdSetSku (
+ IN UINTN SkuId
+ );
+
+
+/**
+ Returns the 8-bit value for the token specified by TokenNumber.
+
+ @param[in] The PCD token number to retrieve a current value for.
+
+ @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber.
+
+**/
+UINT8
+EFIAPI
+LibPcdGet8 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 16-bit value for the token specified by TokenNumber.
+
+ @param[in] The PCD token number to retrieve a current value for.
+
+ @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber.
+
+**/
+UINT16
+EFIAPI
+LibPcdGet16 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 32-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.
+
+**/
+UINT32
+EFIAPI
+LibPcdGet32 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 64-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.
+
+**/
+UINT64
+EFIAPI
+LibPcdGet64 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the pointer to the buffer of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval VOID* Returns the pointer to the token specified by TokenNumber.
+
+**/
+VOID *
+EFIAPI
+LibPcdGetPtr (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the Boolean value of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdGetBool (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the size of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINTN Returns the size of the token specified by TokenNumber.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetSize (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 8-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT8 Return the UINT8.
+
+**/
+UINT8
+EFIAPI
+LibPcdGetEx8 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 16-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT16 Return the UINT16.
+
+**/
+UINT16
+EFIAPI
+LibPcdGetEx16 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 32-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT32 Return the UINT32.
+
+**/
+UINT32
+EFIAPI
+LibPcdGetEx32 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 64-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT64 Return the UINT64.
+
+**/
+UINT64
+EFIAPI
+LibPcdGetEx64 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the pointer to the buffer of token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval VOID* Return the VOID* pointer.
+
+**/
+VOID *
+EFIAPI
+LibPcdGetExPtr (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the Boolean value of the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval BOOLEAN Return the BOOLEAN.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdGetExBool (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the size of the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINTN Return the size.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetExSize (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Sets the 8-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 8-bit value to set.
+
+ @retval UINT8 Return the value been set.
+
+**/
+UINT8
+EFIAPI
+LibPcdSet8 (
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ );
+
+
+/**
+ Sets the 16-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 16-bit value to set.
+
+ @retval UINT16 Return the value been set.
+
+**/
+UINT16
+EFIAPI
+LibPcdSet16 (
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ );
+
+
+/**
+ Sets the 32-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 32-bit value to set.
+
+ @retval UINT32 Return the value been set.
+
+**/
+UINT32
+EFIAPI
+LibPcdSet32 (
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ );
+
+
+/**
+ Sets the 64-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 64-bit value to set.
+
+ @retval UINT64 Return the value been set.
+
+**/
+UINT64
+EFIAPI
+LibPcdSet64 (
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ );
+
+
+/**
+ Sets a buffer for the token specified by TokenNumber to the value
+ specified by Buffer and SizeOfValue. Buffer is returned.
+ If SizeOfValue is greater than the maximum size support by TokenNumber,
+ then set SizeOfValue to the maximum size supported by TokenNumber and
+ return NULL to indicate that the set operation was not actually performed.
+
+ If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to the
+ maximum size supported by TokenName and NULL must be returned.
+
+ If SizeOfValue is NULL, then ASSERT().
+ If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.
+ @param[in] Value A pointer to the buffer to set.
+
+ @retval VOID* Return the pointer for the buffer been set.
+
+**/
+VOID*
+EFIAPI
+LibPcdSetPtr (
+ IN UINTN TokenNumber,
+ IN OUT UINTN *SizeOfBuffer,
+ IN VOID *Buffer
+ );
+
+
+/**
+ Sets the Boolean value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The boolean value to set.
+
+ @retval BOOLEAN Return the value been set.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdSetBool (
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ );
+
+
+/**
+ Sets the 8-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 8-bit value to set.
+
+ @retval UINT8 Return the value been set.
+
+**/
+UINT8
+EFIAPI
+LibPcdSetEx8 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ );
+
+
+/**
+ Sets the 16-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 16-bit value to set.
+
+ @retval UINT8 Return the value been set.
+
+**/
+UINT16
+EFIAPI
+LibPcdSetEx16 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ );
+
+
+/**
+ Sets the 32-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 32-bit value to set.
+
+ @retval UINT32 Return the value been set.
+
+**/
+UINT32
+EFIAPI
+LibPcdSetEx32 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ );
+
+
+/**
+ Sets the 64-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 64-bit value to set.
+
+ @retval UINT64 Return the value been set.
+
+**/
+UINT64
+EFIAPI
+LibPcdSetEx64 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ );
+
+
+/**
+ Sets a buffer for the token specified by TokenNumber to the value specified by
+ Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
+ the maximum size support by TokenNumber, then set SizeOfValue to the maximum size
+ supported by TokenNumber and return NULL to indicate that the set operation
+ was not actually performed.
+
+ If Guid is NULL, then ASSERT().
+ If SizeOfValue is NULL, then ASSERT().
+ If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.
+ @param[in] Buffer A pointer to the buffer to set.
+
+ @retval VOID * Return the pinter to the buffer been set.
+
+**/
+VOID *
+EFIAPI
+LibPcdSetExPtr (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN OUT UINTN *SizeOfBuffer,
+ IN VOID *Buffer
+ );
+
+
+/**
+ Sets the Boolean value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The Boolean value to set.
+
+ @retval Boolean Return the value been set.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdSetExBool (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ );
+
+
+/**
+ When the token specified by TokenNumber and Guid is set,
+ then notification function specified by NotificationFunction is called.
+ If Guid is NULL, then the default token space is used.
+ If NotificationFunction is NULL, then ASSERT().
+
+ This notification function serves two purposes. Firstly, it notifies the module which
+ did the registration that the value of this PCD token has been set. Secondly,
+ it provides a mechanism for the module which did the registration to intercept
+ the set operation and override the value been set if necessary. After the invocation
+ of the callback function, TokenData will be used by PCD service PEIM or driver to
+ modify the internal data in PCD database.
+
+
+ @param[in] CallBackGuid The PCD token GUID being set.
+ @param[in] CallBackToken The PCD token number being set.
+ @param[in, out] TokenData A pointer to the token data being set.
+ @param[in] TokenDataSize The size, in bytes, of the data being set.
+
+ @retval VOID
+
+**/
+typedef
+VOID
+(EFIAPI *PCD_CALLBACK) (
+ IN CONST GUID *CallBackGuid, OPTIONAL
+ IN UINTN CallBackToken,
+ IN OUT VOID *TokenData,
+ IN UINTN TokenDataSize
+ );
+
+
+/**
+ When the token specified by TokenNumber and Guid is set,
+ then notification function specified by NotificationFunction is called.
+ If Guid is NULL, then the default token space is used.
+ If NotificationFunction is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates which
+ namespace to set a value from. If NULL, then the default
+ token space is used.
+ @param[in] TokenNumber The PCD token number to monitor.
+ @param[in] NotificationFunction The function to call when the token
+ specified by Guid and TokenNumber is set.
+
+ @retval VOID
+
+**/
+VOID
+EFIAPI
+LibPcdCallbackOnSet (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber,
+ IN PCD_CALLBACK NotificationFunction
+ );
+
+
+/**
+ Disable a notification function that was established with LibPcdCallbackonSet().
+
+ @param[in] Guid Specify the GUID token space.
+ @param[in] TokenNumber Specify the token number.
+ @param[in] NotificationFunction The callback function to be unregistered.
+
+ @retval VOID
+
+**/
+VOID
+EFIAPI
+LibPcdCancelCallback (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber,
+ IN PCD_CALLBACK NotificationFunction
+ );
+
+
+/**
+ Retrieves the next PCD token number from the token space specified by Guid.
+ If Guid is NULL, then the default token space is used. If TokenNumber is 0,
+ then the first token number is returned. Otherwise, the token number that
+ follows TokenNumber in the token space is returned. If TokenNumber is the last
+ token number in the token space, then 0 is returned. If TokenNumber is not 0 and
+ is not in the token space specified by Guid, then ASSERT().
+
+ @param[in] Pointer to a 128-bit unique value that designates which namespace
+ to set a value from. If NULL, then the default token space is used.
+ @param[in] The previous PCD token number. If 0, then retrieves the first PCD
+ token number.
+
+ @retval UINTN The next valid token number.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetNextToken (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber
+ );
+
+
+
+/**
+ Retrieves the next PCD token space from a token space specified by Guid.
+ Guid of NULL is reserved to mark the default local token namespace on the current
+ platform. If Guid is NULL, then the GUID of the first non-local token space of the
+ current platform is returned. If Guid is the last non-local token space,
+ then NULL is returned.
+
+ If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().
+
+
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates from which namespace
+ to start the search.
+
+ @retval CONST GUID * The next valid token namespace.
+
+**/
+GUID *
+EFIAPI
+LibPcdGetNextTokenSpace (
+ IN CONST GUID *Guid
+ );
+
+
+/**
+ Sets the PCD entry specified by PatchVariable to the value specified by Buffer
+ and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
+ MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return
+ NULL to indicate that the set operation was not actually performed.
+ If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to
+ MaximumDatumSize and NULL must be returned.
+
+ If PatchVariable is NULL, then ASSERT().
+ If SizeOfValue is NULL, then ASSERT().
+ If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
+
+ @param[in] PatchVariable A pointer to the global variable in a module that is
+ the target of the set operation.
+ @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.
+ @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.
+ @param[in] Buffer A pointer to the buffer to used to set the target variable.
+
+**/
+VOID *
+EFIAPI
+LibPatchPcdSetPtr (
+ IN VOID *PatchVariable,
+ IN UINTN MaximumDatumSize,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PciCf8Lib.h b/MdePkg/Include/Library/PciCf8Lib.h new file mode 100644 index 000000000..13af84ed3 --- /dev/null +++ b/MdePkg/Include/Library/PciCf8Lib.h @@ -0,0 +1,1049 @@ +/** @file
+ PCI CF8 Library Services for PCI Segment #0
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PciCf8Lib.h
+
+**/
+
+#ifndef __PCI_CF8_LIB_H__
+#define __PCI_CF8_LIB_H__
+
+
+/**
+ Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an
+ address that can be passed to the PCI Library functions.
+
+ Computes an address that is compatible with the PCI Library functions. The
+ unused upper bits of Bus, Device, Function and Register are stripped prior to
+ the generation of the address.
+
+ @param Bus PCI Bus number. Range 0..255.
+ @param Device PCI Device number. Range 0..31.
+ @param Function PCI Function number. Range 0..7.
+ @param Register PCI Register number. Range 0..255.
+
+ @return The encode PCI address.
+
+**/
+#define PCI_CF8_LIB_ADDRESS(Bus,Device,Function,Offset) \
+ (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20))
+
+/**
+ Reads an 8-bit PCI configuration register.
+
+ Reads and returns the 8-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8Read8 (
+ IN UINTN Address
+ );
+
+/**
+ Writes an 8-bit PCI configuration register.
+
+ Writes the 8-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8Write8 (
+ IN UINTN Address,
+ IN UINT8 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of an 8-bit PCI configuration register with
+ an 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8Or8 (
+ IN UINTN Address,
+ IN UINT8 OrData
+ );
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8And8 (
+ IN UINTN Address,
+ IN UINT8 AndData
+ );
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value, followed a bitwise inclusive OR with another 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8AndThenOr8 (
+ IN UINTN Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in an 8-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8BitFieldRead8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 8-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8BitFieldWrite8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ );
+
+/**
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8BitFieldOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 8-bit register.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8BitFieldAnd8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ );
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciCf8BitFieldAndThenOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a 16-bit PCI configuration register.
+
+ Reads and returns the 16-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8Read16 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 16-bit PCI configuration register.
+
+ Writes the 16-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8Write16 (
+ IN UINTN Address,
+ IN UINT16 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of a 16-bit PCI configuration register with
+ a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8Or16 (
+ IN UINTN Address,
+ IN UINT16 OrData
+ );
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8And16 (
+ IN UINTN Address,
+ IN UINT16 AndData
+ );
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value, followed a bitwise inclusive OR with another 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8AndThenOr16 (
+ IN UINTN Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 16-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8BitFieldRead16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 16-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8BitFieldWrite16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8BitFieldOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 16-bit register.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8BitFieldAnd16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ );
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciCf8BitFieldAndThenOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 32-bit PCI configuration register.
+
+ Reads and returns the 32-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8Read32 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 32-bit PCI configuration register.
+
+ Writes the 32-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8Write32 (
+ IN UINTN Address,
+ IN UINT32 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of a 32-bit PCI configuration register with
+ a 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8Or32 (
+ IN UINTN Address,
+ IN UINT32 OrData
+ );
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8And32 (
+ IN UINTN Address,
+ IN UINT32 AndData
+ );
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value, followed a bitwise inclusive OR with another 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8AndThenOr32 (
+ IN UINTN Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 32-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8BitFieldRead32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 32-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8BitFieldWrite32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8BitFieldOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 32-bit register.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8BitFieldAnd32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ );
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If the register specified by Address >= 0x100, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciCf8BitFieldAndThenOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a range of PCI configuration registers into a caller supplied buffer.
+
+ Reads the range of PCI configuration registers specified by StartAddress and
+ Size into the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be read. Size is
+ returned. When possible 32-bit PCI configuration read cycles are used to read
+ from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
+ and 16-bit PCI configuration read cycles may be used at the beginning and the
+ end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If the register specified by StartAddress >= 0x100, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x100, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer receiving the data read.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciCf8ReadBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ OUT VOID *Buffer
+ );
+
+/**
+ Copies the data in a caller supplied buffer to a specified range of PCI
+ configuration space.
+
+ Writes the range of PCI configuration registers specified by StartAddress and
+ Size from the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be written. Size is
+ returned. When possible 32-bit PCI configuration write cycles are used to
+ write from StartAdress to StartAddress + Size. Due to alignment restrictions,
+ 8-bit and 16-bit PCI configuration write cycles may be used at the beginning
+ and the end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If the register specified by StartAddress >= 0x100, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x100, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer containing the data to write.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciCf8WriteBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ IN VOID *Buffer
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PciExpressLib.h b/MdePkg/Include/Library/PciExpressLib.h new file mode 100644 index 000000000..29ff9dde8 --- /dev/null +++ b/MdePkg/Include/Library/PciExpressLib.h @@ -0,0 +1,1018 @@ +/** @file
+ Pci Express Library Services for PCI Segment #0
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PciExpressLib.h
+
+**/
+
+#ifndef __PCI_EXPRESS_LIB_H__
+#define __PCI_EXPRESS_LIB_H__
+
+#include <Library/PciLib.h>
+
+/**
+ Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an
+ address that can be passed to the PCI Library functions.
+
+ Computes an address that is compatible with the PCI Library functions. The
+ unused upper bits of Bus, Device, Function and Register are stripped prior to
+ the generation of the address.
+
+ @param Bus PCI Bus number. Range 0..255.
+ @param Device PCI Device number. Range 0..31.
+ @param Function PCI Function number. Range 0..7.
+ @param Register PCI Register number. Range 0..4095.
+
+ @return The encode PCI address.
+
+**/
+#define PCI_EXPRESS_LIB_ADDRESS(Bus,Device,Function,Offset) \
+ (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20))
+
+/**
+ Reads an 8-bit PCI configuration register.
+
+ Reads and returns the 8-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressRead8 (
+ IN UINTN Address
+ );
+
+/**
+ Writes an 8-bit PCI configuration register.
+
+ Writes the 8-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressWrite8 (
+ IN UINTN Address,
+ IN UINT8 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of an 8-bit PCI configuration register with
+ an 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressOr8 (
+ IN UINTN Address,
+ IN UINT8 OrData
+ );
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressAnd8 (
+ IN UINTN Address,
+ IN UINT8 AndData
+ );
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value, followed a bitwise inclusive OR with another 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressAndThenOr8 (
+ IN UINTN Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in an 8-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldRead8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 8-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldWrite8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ );
+
+/**
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 8-bit register.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldAnd8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ );
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldAndThenOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a 16-bit PCI configuration register.
+
+ Reads and returns the 16-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressRead16 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 16-bit PCI configuration register.
+
+ Writes the 16-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressWrite16 (
+ IN UINTN Address,
+ IN UINT16 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of a 16-bit PCI configuration register with
+ a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressOr16 (
+ IN UINTN Address,
+ IN UINT16 OrData
+ );
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressAnd16 (
+ IN UINTN Address,
+ IN UINT16 AndData
+ );
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value, followed a bitwise inclusive OR with another 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressAndThenOr16 (
+ IN UINTN Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 16-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldRead16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 16-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldWrite16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 16-bit register.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldAnd16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ );
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldAndThenOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 32-bit PCI configuration register.
+
+ Reads and returns the 32-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressRead32 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 32-bit PCI configuration register.
+
+ Writes the 32-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressWrite32 (
+ IN UINTN Address,
+ IN UINT32 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of a 32-bit PCI configuration register with
+ a 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressOr32 (
+ IN UINTN Address,
+ IN UINT32 OrData
+ );
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressAnd32 (
+ IN UINTN Address,
+ IN UINT32 AndData
+ );
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value, followed a bitwise inclusive OR with another 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressAndThenOr32 (
+ IN UINTN Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 32-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldRead32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 32-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldWrite32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 32-bit register.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldAnd32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ );
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldAndThenOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a range of PCI configuration registers into a caller supplied buffer.
+
+ Reads the range of PCI configuration registers specified by StartAddress and
+ Size into the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be read. Size is
+ returned. When possible 32-bit PCI configuration read cycles are used to read
+ from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
+ and 16-bit PCI configuration read cycles may be used at the beginning and the
+ end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer receiving the data read.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciExpressReadBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ OUT VOID *Buffer
+ );
+
+/**
+ Copies the data in a caller supplied buffer to a specified range of PCI
+ configuration space.
+
+ Writes the range of PCI configuration registers specified by StartAddress and
+ Size from the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be written. Size is
+ returned. When possible 32-bit PCI configuration write cycles are used to
+ write from StartAdress to StartAddress + Size. Due to alignment restrictions,
+ 8-bit and 16-bit PCI configuration write cycles may be used at the beginning
+ and the end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer containing the data to write.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciExpressWriteBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ IN VOID *Buffer
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PciLib.h b/MdePkg/Include/Library/PciLib.h new file mode 100644 index 000000000..6acf13c7b --- /dev/null +++ b/MdePkg/Include/Library/PciLib.h @@ -0,0 +1,1013 @@ +/** @file
+ PCI Library Services for PCI Segment #0
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PciLib.h
+
+**/
+
+#ifndef __PCI_LIB_H__
+#define __PCI_LIB_H__
+
+/**
+ Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an
+ address that can be passed to the PCI Library functions.
+
+ @param Bus PCI Bus number. Range 0..255.
+ @param Device PCI Device number. Range 0..31.
+ @param Function PCI Function number. Range 0..7.
+ @param Register PCI Register number. Range 0..255 for PCI. Range 0..4095
+ for PCI Express.
+
+ @return The encoded PCI address.
+
+**/
+#define PCI_LIB_ADDRESS(Bus,Device,Function,Offset) \
+ (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20))
+
+/**
+ Reads an 8-bit PCI configuration register.
+
+ Reads and returns the 8-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciRead8 (
+ IN UINTN Address
+ );
+
+/**
+ Writes an 8-bit PCI configuration register.
+
+ Writes the 8-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciWrite8 (
+ IN UINTN Address,
+ IN UINT8 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of an 8-bit PCI configuration register with
+ an 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciOr8 (
+ IN UINTN Address,
+ IN UINT8 OrData
+ );
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciAnd8 (
+ IN UINTN Address,
+ IN UINT8 AndData
+ );
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value, followed a bitwise inclusive OR with another 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciAndThenOr8 (
+ IN UINTN Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in an 8-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldRead8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 8-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldWrite8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ );
+
+/**
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 8-bit register.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldAnd8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ );
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldAndThenOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a 16-bit PCI configuration register.
+
+ Reads and returns the 16-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciRead16 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 16-bit PCI configuration register.
+
+ Writes the 16-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciWrite16 (
+ IN UINTN Address,
+ IN UINT16 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of a 16-bit PCI configuration register with
+ a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciOr16 (
+ IN UINTN Address,
+ IN UINT16 OrData
+ );
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciAnd16 (
+ IN UINTN Address,
+ IN UINT16 AndData
+ );
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value, followed a bitwise inclusive OR with another 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciAndThenOr16 (
+ IN UINTN Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 16-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldRead16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 16-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldWrite16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 16-bit register.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldAnd16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ );
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldAndThenOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 32-bit PCI configuration register.
+
+ Reads and returns the 32-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciRead32 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 32-bit PCI configuration register.
+
+ Writes the 32-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciWrite32 (
+ IN UINTN Address,
+ IN UINT32 Data
+ );
+
+/**
+ Performs a bitwise inclusive OR of a 32-bit PCI configuration register with
+ a 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciOr32 (
+ IN UINTN Address,
+ IN UINT32 OrData
+ );
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciAnd32 (
+ IN UINTN Address,
+ IN UINT32 AndData
+ );
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value, followed a bitwise inclusive OR with another 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciAndThenOr32 (
+ IN UINTN Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 32-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldRead32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 32-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldWrite32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 32-bit register.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldAnd32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ );
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldAndThenOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a range of PCI configuration registers into a caller supplied buffer.
+
+ Reads the range of PCI configuration registers specified by StartAddress and
+ Size into the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be read. Size is
+ returned. When possible 32-bit PCI configuration read cycles are used to read
+ from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
+ and 16-bit PCI configuration read cycles may be used at the beginning and the
+ end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer receiving the data read.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciReadBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ OUT VOID *Buffer
+ );
+
+/**
+ Copies the data in a caller supplied buffer to a specified range of PCI
+ configuration space.
+
+ Writes the range of PCI configuration registers specified by StartAddress and
+ Size from the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be written. Size is
+ returned. When possible 32-bit PCI configuration write cycles are used to
+ write from StartAdress to StartAddress + Size. Due to alignment restrictions,
+ 8-bit and 16-bit PCI configuration write cycles may be used at the beginning
+ and the end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer containing the data to write.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciWriteBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ IN VOID *Buffer
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PciSegmentLib.h b/MdePkg/Include/Library/PciSegmentLib.h new file mode 100644 index 000000000..570ae0db1 --- /dev/null +++ b/MdePkg/Include/Library/PciSegmentLib.h @@ -0,0 +1,924 @@ +/** @file
+ Functions accessing PCI configuration registers on any supported PCI segment
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PciSegmentLib.h
+
+**/
+
+#ifndef __PCI_SEGMENT_LIB__
+#define __PCI_SEGMENT_LIB__
+
+
+/**
+ Macro that converts PCI Segment, PCI Bus, PCI Device, PCI Function,
+ and PCI Register to an address that can be passed to the PCI Segment Library functions.
+
+ Computes an address that is compatible with the PCI Segment Library functions.
+ The unused upper bits of Segment, Bus, Device, Function,
+ and Register are stripped prior to the generation of the address.
+
+ @param Segment PCI Segment number. Range 0..65535.
+ @param Bus PCI Bus number. Range 0..255.
+ @param Device PCI Device number. Range 0..31.
+ @param Function PCI Function number. Range 0..7.
+ @param Register PCI Register number. Range 0..255 for PCI. Range 0..4095 for PCI Express.
+
+ @return The address that is compatible with the PCI Segment Library functions.
+
+**/
+#define PCI_SEGMENT_LIB_ADDRESS(Segment,Bus,Device,Function,Register) \
+ ( ((Register) & 0xfff) | \
+ (((Function) & 0x07) << 12) | \
+ (((Device) & 0x1f) << 15) | \
+ (((Bus) & 0xff) << 20) | \
+ (LShiftU64((Segment) & 0xffff, 32)) \
+ )
+
+/**
+ Reads an 8-bit PCI configuration register.
+
+ Reads and returns the 8-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+
+ @return The 8-bit PCI configuration register specified by Address.
+
+**/
+UINT8
+EFIAPI
+PciSegmentRead8 (
+ IN UINT64 Address
+ )
+;
+
+/**
+ Writes an 8-bit PCI configuration register.
+
+ Writes the 8-bit PCI configuration register specified by Address with the value specified by Value.
+ Value is returned. This function must guarantee that all PCI read and write operations are serialized.
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Value The value to write.
+
+ @return The parameter of Value.
+
+**/
+UINT8
+EFIAPI
+PciSegmentWrite8 (
+ IN UINT64 Address,
+ IN UINT8 Value
+ )
+;
+
+/**
+ Performs a bitwise inclusive OR of an 8-bit PCI configuration register with an 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 8-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentOr8 (
+ IN UINT64 Address,
+ IN UINT8 OrData
+ )
+;
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ and writes the result to the 8-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Andata The value to AND with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentAnd8 (
+ IN UINT64 Address,
+ IN UINT8 AndData
+ )
+;
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value,
+ followed a bitwise inclusive OR with another 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and the value specified by OrData,
+ and writes the result to the 8-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Andata The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentAndThenOr8 (
+ IN UINT64 Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ )
+;
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in an 8-bit PCI configuration register.
+ The bit field is specified by the StartBit and the EndBit.
+ The value of the bit field is returned.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+
+ @return The value of the bit field.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldRead8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+;
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register.
+ The bit field is specified by the StartBit and the EndBit.
+ All other bits in the destination PCI configuration register are preserved.
+ The new value of the 8-bit register is returned.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param Value New value of the bit field.
+
+ @return The new value of the 8-bit register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldWrite8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ )
+;
+
+/**
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 8-bit PCI configuration register specified by Address.
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param OrData The value to OR with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldOr8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ )
+;
+
+/**
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR,
+ and writes the result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 8-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ Extra left bits in OrData are stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldAnd8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ )
+;
+
+/**
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise AND,
+ and writes the result back to the bit field in the 8-bit register.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ and writes the result to the 8-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ Extra left bits in AndData are stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI configuration register.
+ @param OrData The value to OR with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldAndThenOr8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ )
+;
+
+/**
+ Reads a 16-bit PCI configuration register.
+
+ Reads and returns the 16-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+
+ @return The 16-bit PCI configuration register specified by Address.
+
+**/
+UINT16
+EFIAPI
+PciSegmentRead16 (
+ IN UINT64 Address
+ )
+;
+
+/**
+ Writes a 16-bit PCI configuration register.
+
+ Writes the 16-bit PCI configuration register specified by Address with the value specified by Value.
+ Value is returned. This function must guarantee that all PCI read and write operations are serialized.
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Value The value to write.
+
+ @return The parameter of Value.
+
+**/
+UINT16
+EFIAPI
+PciSegmentWrite16 (
+ IN UINT64 Address,
+ IN UINT16 Value
+ )
+;
+
+/**
+ Performs a bitwise inclusive OR of a 16-bit PCI configuration register with a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 16-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentOr16 (
+ IN UINT64 Address,
+ IN UINT16 OrData
+ )
+;
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ and writes the result to the 16-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Andata The value to AND with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentAnd16 (
+ IN UINT64 Address,
+ IN UINT16 AndData
+ )
+;
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value,
+ followed a bitwise inclusive OR with another 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and the value specified by OrData,
+ and writes the result to the 16-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Andata The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentAndThenOr16 (
+ IN UINT64 Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ )
+;
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 16-bit PCI configuration register.
+ The bit field is specified by the StartBit and the EndBit.
+ The value of the bit field is returned.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+
+ @return The value of the bit field.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldRead16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+;
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register.
+ The bit field is specified by the StartBit and the EndBit.
+ All other bits in the destination PCI configuration register are preserved.
+ The new value of the 16-bit register is returned.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param Value New value of the bit field.
+
+ @return The new value of the 16-bit register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldWrite16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ )
+;
+
+/**
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 16-bit PCI configuration register specified by Address.
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param OrData The value to OR with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldOr16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ )
+;
+
+/**
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR,
+ and writes the result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 16-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ Extra left bits in OrData are stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldAnd16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ )
+;
+
+/**
+ Reads a bit field in a 16-bit PCI configuration register, performs a bitwise AND,
+ and writes the result back to the bit field in the 16-bit register.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ and writes the result to the 16-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ Extra left bits in AndData are stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI configuration register.
+ @param OrData The value to OR with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldAndThenOr16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ )
+;
+
+/**
+ Reads a 32-bit PCI configuration register.
+
+ Reads and returns the 32-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+
+ @return The 32-bit PCI configuration register specified by Address.
+
+**/
+UINT32
+EFIAPI
+PciSegmentRead32 (
+ IN UINT64 Address
+ )
+;
+
+/**
+ Writes a 32-bit PCI configuration register.
+
+ Writes the 32-bit PCI configuration register specified by Address with the value specified by Value.
+ Value is returned. This function must guarantee that all PCI read and write operations are serialized.
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Value The value to write.
+
+ @return The parameter of Value.
+
+**/
+UINT32
+EFIAPI
+PciSegmentWrite32 (
+ IN UINT64 Address,
+ IN UINT32 Value
+ )
+;
+
+/**
+ Performs a bitwise inclusive OR of a 32-bit PCI configuration register with a 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 32-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentOr32 (
+ IN UINT64 Address,
+ IN UINT32 OrData
+ )
+;
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ and writes the result to the 32-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Andata The value to AND with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentAnd32 (
+ IN UINT64 Address,
+ IN UINT32 AndData
+ )
+;
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value,
+ followed a bitwise inclusive OR with another 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and the value specified by OrData,
+ and writes the result to the 32-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Andata The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentAndThenOr32 (
+ IN UINT64 Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ )
+;
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 32-bit PCI configuration register.
+ The bit field is specified by the StartBit and the EndBit.
+ The value of the bit field is returned.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+
+ @return The value of the bit field.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldRead32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+;
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register.
+ The bit field is specified by the StartBit and the EndBit.
+ All other bits in the destination PCI configuration register are preserved.
+ The new value of the 32-bit register is returned.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param Value New value of the bit field.
+
+ @return The new value of the 32-bit register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldWrite32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ )
+;
+
+/**
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 32-bit PCI configuration register specified by Address.
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param OrData The value to OR with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldOr32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ )
+;
+
+/**
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR,
+ and writes the result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise inclusive OR between the read result and the value specified by OrData,
+ and writes the result to the 32-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ Extra left bits in OrData are stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldAnd32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ )
+;
+
+/**
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise AND,
+ and writes the result back to the bit field in the 32-bit register.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by AndData,
+ and writes the result to the 32-bit PCI configuration register specified by Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are serialized.
+ Extra left bits in AndData are stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit 0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI configuration register.
+ @param OrData The value to OR with the read value from the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldAndThenOr32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ )
+;
+
+/**
+ Reads a range of PCI configuration registers into a caller supplied buffer.
+
+ Reads the range of PCI configuration registers specified by StartAddress
+ and Size into the buffer specified by Buffer.
+ This function only allows the PCI configuration registers from a single PCI function to be read.
+ Size is returned.
+ If any reserved bits in StartAddress are set, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If (StartAddress + Size - 1) > 0x0FFFFFFF, then ASSERT().
+ If Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer receiving the data read.
+
+ @return The paramter of Size.
+
+**/
+UINTN
+EFIAPI
+PciSegmentReadBuffer (
+ IN UINT64 StartAddress,
+ IN UINTN Size,
+ OUT VOID *Buffer
+ )
+;
+
+/**
+ Copies the data in a caller supplied buffer to a specified range of PCI configuration space.
+
+ Writes the range of PCI configuration registers specified by StartAddress
+ and Size from the buffer specified by Buffer.
+ This function only allows the PCI configuration registers from a single PCI function to be written.
+ Size is returned.
+ If any reserved bits in StartAddress are set, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If (StartAddress + Size - 1) > 0x0FFFFFFF, then ASSERT().
+ If Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Segment, Bus, Device, Function, and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer containing the data to write.
+
+ @return The paramter of Size.
+
+**/
+UINTN
+EFIAPI
+PciSegmentWriteBuffer (
+ IN UINT64 StartAddress,
+ IN UINTN Size,
+ IN VOID *Buffer
+ )
+;
+
+#endif
diff --git a/MdePkg/Include/Library/PeCoffGetEntryPointLib.h b/MdePkg/Include/Library/PeCoffGetEntryPointLib.h new file mode 100644 index 000000000..c1bc488c8 --- /dev/null +++ b/MdePkg/Include/Library/PeCoffGetEntryPointLib.h @@ -0,0 +1,87 @@ +/** @file
+ Memory Only PE COFF loader
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PeCoffGetEntryPointLib.h
+
+**/
+
+#ifndef __PE_COFF_GET_ENTRY_POINT_LIB_H__
+#define __PE_COFF_GET_ENTRY_POINT_LIB_H__
+
+/**
+ Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded
+ into system memory with the PE/COFF Loader Library functions.
+
+ Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry
+ point in EntryPoint. If the entry point could not be retrieved from the PE/COFF image, then
+ return RETURN_INVALID_PARAMETER. Otherwise return RETURN_SUCCESS.
+ If Pe32Data is NULL, then ASSERT().
+ If EntryPoint is NULL, then ASSERT().
+
+ @param Pe32Data Pointer to the PE/COFF image that is loaded in system memory.
+ @param EntryPoint Pointer to entry point to the PE/COFF image to return.
+
+ @retval RETURN_SUCCESS EntryPoint was returned.
+ @retval RETURN_INVALID_PARAMETER The entry point could not be found in the PE/COFF image.
+
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderGetEntryPoint (
+ IN VOID *Pe32Data,
+ OUT VOID **EntryPoint
+ );
+
+/**
+ Returns the machine type of a PE/COFF image.
+
+ Returns the machine type from the PE/COFF image specified by Pe32Data.
+ If Pe32Data is NULL, then ASSERT().
+
+ @param Pe32Data Pointer to the PE/COFF image that is loaded in system
+ memory.
+
+ @return Machine type or zero if not a valid iamge.
+
+**/
+UINT16
+EFIAPI
+PeCoffLoaderGetMachineType (
+ IN VOID *Pe32Data
+ );
+
+/**
+ Returns a pointer to the PDB file name for a PE/COFF image that has been
+ loaded into system memory with the PE/COFF Loader Library functions.
+
+ Returns the PDB file name for the PE/COFF image specified by Pe32Data. If
+ the PE/COFF image specified by Pe32Data is not a valid, then NULL is
+ returned. If the PE/COFF image specified by Pe32Data does not contain a
+ debug directory entry, then NULL is returned. If the debug directory entry
+ in the PE/COFF image specified by Pe32Data does not contain a PDB file name,
+ then NULL is returned.
+ If Pe32Data is NULL, then ASSERT().
+
+ @param Pe32Data Pointer to the PE/COFF image that is loaded in system
+ memory.
+
+ @return The PDB file name for the PE/COFF image specified by Pe32Data or NULL
+ if it cannot be retrieved.
+
+**/
+VOID *
+EFIAPI
+PeCoffLoaderGetPdbPointer (
+ IN VOID *Pe32Data
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PeCoffLib.h b/MdePkg/Include/Library/PeCoffLib.h new file mode 100644 index 000000000..2bb9db58c --- /dev/null +++ b/MdePkg/Include/Library/PeCoffLib.h @@ -0,0 +1,171 @@ +/** @file
+ Memory Only PE COFF loader.
+
+ Copyright (c) 2006 - 2007, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PeCoffLib.h
+
+**/
+
+#ifndef __BASE_PE_COFF_LIB_H__
+#define __BASE_PE_COFF_LIB_H__
+
+#include <Common/PeCoffLoaderImageContext.h>
+
+//
+// Return status codes from the PE/COFF Loader services
+// BUGBUG: Find where used and see if can be replaced by RETURN_STATUS codes
+//
+#define IMAGE_ERROR_SUCCESS 0
+#define IMAGE_ERROR_IMAGE_READ 1
+#define IMAGE_ERROR_INVALID_PE_HEADER_SIGNATURE 2
+#define IMAGE_ERROR_INVALID_MACHINE_TYPE 3
+#define IMAGE_ERROR_INVALID_SUBSYSTEM 4
+#define IMAGE_ERROR_INVALID_IMAGE_ADDRESS 5
+#define IMAGE_ERROR_INVALID_IMAGE_SIZE 6
+#define IMAGE_ERROR_INVALID_SECTION_ALIGNMENT 7
+#define IMAGE_ERROR_SECTION_NOT_LOADED 8
+#define IMAGE_ERROR_FAILED_RELOCATION 9
+#define IMAGE_ERROR_FAILED_ICACHE_FLUSH 10
+
+
+/**
+ Retrieves information about a PE/COFF image.
+
+ Computes the PeCoffHeaderOffset, ImageAddress, ImageSize, DestinationAddress, CodeView,
+ PdbPointer, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva
+ fields of the ImageContext structure. If ImageContext is NULL, then return RETURN_INVALID_PARAMETER.
+ If the PE/COFF image accessed through the ImageRead service in the ImageContext structure is not
+ a supported PE/COFF image type, then return RETURN_UNSUPPORTED. If any errors occur while
+ computing the fields of ImageContext, then the error status is returned in the ImageError field of
+ ImageContext.
+
+ @param ImageContext Pointer to the image context structure that describes the PE/COFF
+ image that needs to be examined by this function.
+
+ @retval RETURN_SUCCESS The information on the PE/COFF image was collected.
+ @retval RETURN_INVALID_PARAMETER ImageContext is NULL.
+ @retval RETURN_UNSUPPORTED The PE/COFF image is not supported.
+
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderGetImageInfo (
+ IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
+ )
+;
+
+/**
+ Applies relocation fixups to a PE/COFF image that was loaded with PeCoffLoaderLoadImage().
+
+ If the DestinationAddress field of ImageContext is 0, then use the ImageAddress field of
+ ImageContext as the relocation base address. Otherwise, use the DestinationAddress field
+ of ImageContext as the relocation base address. The caller must allocate the relocation
+ fixup log buffer and fill in the FixupData field of ImageContext prior to calling this function.
+ If ImageContext is NULL, then ASSERT().
+
+ @param ImageContext Pointer to the image context structure that describes the PE/COFF
+ image that is being relocated.
+
+ @retval RETURN_SUCCESS The PE/COFF image was relocated.
+ Extended status information is in the ImageError field of ImageContext.
+ @retval RETURN_LOAD_ERROR The image in not a valid PE/COFF image.
+ Extended status information is in the ImageError field of ImageContext.
+ @retval RETURN_UNSUPPORTED A relocation record type is not supported.
+ Extended status information is in the ImageError field of ImageContext.
+
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderRelocateImage (
+ IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
+ )
+;
+
+/**
+ Loads a PE/COFF image into memory.
+
+ Loads the PE/COFF image accessed through the ImageRead service of ImageContext into the buffer
+ specified by the ImageAddress and ImageSize fields of ImageContext. The caller must allocate
+ the load buffer and fill in the ImageAddress and ImageSize fields prior to calling this function.
+ The EntryPoint, FixupDataSize, CodeView, and PdbPointer fields of ImageContext are computed.
+ If ImageContext is NULL, then ASSERT().
+
+ @param ImageContext Pointer to the image context structure that describes the PE/COFF
+ image that is being loaded.
+
+ @retval RETURN_SUCCESS The PE/COFF image was loaded into the buffer specified by
+ the ImageAddress and ImageSize fields of ImageContext.
+ Extended status information is in the ImageError field of ImageContext.
+ @retval RETURN_BUFFER_TOO_SMALL The caller did not provide a large enough buffer.
+ Extended status information is in the ImageError field of ImageContext.
+ @retval RETURN_LOAD_ERROR The PE/COFF image is an EFI Runtime image with no relocations.
+ Extended status information is in the ImageError field of ImageContext.
+ @retval RETURN_INVALID_PARAMETER The image address is invalid.
+ Extended status information is in the ImageError field of ImageContext.
+
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderLoadImage (
+ IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
+ )
+;
+
+
+/**
+ ImageRead function that operates on a memory buffer whos base is passed into
+ FileHandle.
+
+ @param FileHandle Ponter to baes of the input stream
+ @param FileOffset Offset to the start of the buffer
+ @param ReadSize Number of bytes to copy into the buffer
+ @param Buffer Location to place results of read
+
+ @retval RETURN_SUCCESS Data is read from FileOffset from the Handle into
+ the buffer.
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderImageReadFromMemory (
+ IN VOID *FileHandle,
+ IN UINTN FileOffset,
+ IN OUT UINTN *ReadSize,
+ OUT VOID *Buffer
+ )
+;
+
+
+/**
+ Reapply fixups on a fixed up PE32/PE32+ image to allow virutal calling at EFI
+ runtime.
+
+ PE_COFF_LOADER_IMAGE_CONTEXT.FixupData stores information needed to reapply
+ the fixups with a virtual mapping.
+
+
+ @param ImageBase Base address of relocated image
+ @param VirtImageBase Virtual mapping for ImageBase
+ @param ImageSize Size of the image to relocate
+ @param RelocationData Location to place results of read
+
+**/
+VOID
+EFIAPI
+PeCoffLoaderRelocateImageForRuntime (
+ IN PHYSICAL_ADDRESS ImageBase,
+ IN PHYSICAL_ADDRESS VirtImageBase,
+ IN UINTN ImageSize,
+ IN VOID *RelocationData
+ )
+;
+
+
+#endif
diff --git a/MdePkg/Include/Library/PeiCoreEntryPoint.h b/MdePkg/Include/Library/PeiCoreEntryPoint.h new file mode 100644 index 000000000..76afc594c --- /dev/null +++ b/MdePkg/Include/Library/PeiCoreEntryPoint.h @@ -0,0 +1,80 @@ +/** @file
+ Entry point to the PEI Core
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __MODULE_ENTRY_POINT_H__
+#define __MODULE_ENTRY_POINT_H__
+
+/**
+ Enrty point to PEI core.
+
+ @param PeiStartupDescriptor Pointer of start up information.
+
+ @return Status returned by entry points of core and drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList
+ );
+
+/**
+ Wrapper of enrty point to PEI core.
+
+ @param PeiStartupDescriptor Pointer of start up information.
+
+ @return Status returned by entry points of core and drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList
+ );
+
+/**
+ Call constructs for all libraries. Automatics Generated by tool.
+
+ @param FfsHeader Pointer to header of FFS.
+ @param PeiServices Pointer to the PEI Services Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
+
+/**
+ Call the list of driver entry points. Automatics Generated by tool.
+
+ @param PeiStartupDescriptor Pointer to startup information .
+ @param OldCoreData Pointer to Original startup information.
+
+ @return Status returned by entry points of drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,
+ IN VOID *OldCoreData
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PeiServicesLib.h b/MdePkg/Include/Library/PeiServicesLib.h new file mode 100644 index 000000000..53d1cdba4 --- /dev/null +++ b/MdePkg/Include/Library/PeiServicesLib.h @@ -0,0 +1,298 @@ +/** @file
+ Header file for PEI Services Library.
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PeiServicesLib.h
+
+**/
+
+#ifndef __PEI_SERVICES_LIB_H__
+#define __PEI_SERVICES_LIB_H__
+
+/**
+ This service enables a given PEIM to register an interface into the PEI Foundation.
+
+ @param PpiList A pointer to the list of interfaces that the caller shall install.
+
+ @retval EFI_SUCCESS The interface was successfully installed.
+ @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL.
+ @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the
+ EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.
+ @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesInstallPpi (
+ IN EFI_PEI_PPI_DESCRIPTOR *PpiList
+ );
+
+/**
+ This service enables PEIMs to replace an entry in the PPI database with an alternate entry.
+
+ @param OldPpi Pointer to the old PEI PPI Descriptors.
+ @param NewPpi Pointer to the new PEI PPI Descriptors.
+
+ @retval EFI_SUCCESS The interface was successfully installed.
+ @retval EFI_INVALID_PARAMETER The OldPpi or NewPpi is NULL.
+ @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the
+ EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.
+ @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
+ @retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been
+ installed.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesReInstallPpi (
+ IN EFI_PEI_PPI_DESCRIPTOR *OldPpi,
+ IN EFI_PEI_PPI_DESCRIPTOR *NewPpi
+ );
+
+/**
+ This service enables PEIMs to discover a given instance of an interface.
+
+ @param Guid A pointer to the GUID whose corresponding interface needs to be
+ found.
+ @param Instance The N-th instance of the interface that is required.
+ @param PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR.
+ @param Ppi A pointer to the instance of the interface.
+
+ @retval EFI_SUCCESS The interface was successfully returned.
+ @retval EFI_NOT_FOUND The PPI descriptor is not found in the database.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesLocatePpi (
+ IN EFI_GUID *Guid,
+ IN UINTN Instance,
+ IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,
+ IN OUT VOID **Ppi
+ );
+
+/**
+ This service enables PEIMs to register a given service to be invoked when another service is
+ installed or reinstalled.
+
+ @param NotifyList A pointer to the list of notification interfaces that the caller
+ shall install.
+
+ @retval EFI_SUCCESS The interface was successfully installed.
+ @retval EFI_INVALID_PARAMETER The NotifyList pointer is NULL.
+ @retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do not have the
+ EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES bit set in the Flags field.
+ @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesNotifyPpi (
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList
+ );
+
+/**
+ This service enables PEIMs to ascertain the present value of the boot mode.
+
+ @param BootMode A pointer to contain the value of the boot mode.
+
+ @retval EFI_SUCCESS The boot mode was returned successfully.
+ @retval EFI_INVALID_PARAMETER BootMode is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesGetBootMode (
+ IN OUT EFI_BOOT_MODE *BootMode
+ );
+
+/**
+ This service enables PEIMs to update the boot mode variable.
+
+ @param BootMode The value of the boot mode to set.
+
+ @retval EFI_SUCCESS The value was successfully updated
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesSetBootMode (
+ IN EFI_BOOT_MODE BootMode
+ );
+
+/**
+ This service enables a PEIM to ascertain the address of the list of HOBs in memory.
+
+ @param HobList A pointer to the list of HOBs that the PEI Foundation will initialize.
+
+ @retval EFI_SUCCESS The list was successfully returned.
+ @retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesGetHobList (
+ IN OUT VOID **HobList
+ );
+
+/**
+ This service enables PEIMs to create various types of HOBs.
+
+ @param Type The type of HOB to be installed.
+ @param Length The length of the HOB to be added.
+ @param Hob The address of a pointer that will contain the HOB header.
+
+ @retval EFI_SUCCESS The HOB was successfully created.
+ @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesCreateHob (
+ IN UINT16 Type,
+ IN UINT16 Length,
+ IN OUT VOID **Hob
+ );
+
+/**
+ This service enables PEIMs to discover additional firmware volumes.
+
+ @param Instance This instance of the firmware volume to find. The value 0 is the
+ Boot Firmware Volume (BFV).
+ @param FwVolHeader Pointer to the firmware volume header of the volume to return.
+
+ @retval EFI_SUCCESS The volume was found.
+ @retval EFI_NOT_FOUND The volume was not found.
+ @retval EFI_INVALID_PARAMETER FwVolHeader is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesFfsFindNextVolume (
+ IN UINTN Instance,
+ IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader
+ );
+
+/**
+ This service enables PEIMs to discover additional firmware files.
+
+ @param SearchType A filter to find files only of this type.
+ @param FwVolHeader Pointer to the firmware volume header of the volume to search.
+ This parameter must point to a valid FFS volume.
+ @param FileHeader Pointer to the current file from which to begin searching.
+
+ @retval EFI_SUCCESS The file was found.
+ @retval EFI_NOT_FOUND The file was not found.
+ @retval EFI_NOT_FOUND The header checksum was not zero.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesFfsFindNextFile (
+ IN EFI_FV_FILETYPE SearchType,
+ IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,
+ IN OUT EFI_FFS_FILE_HEADER **FileHeader
+ );
+
+/**
+ This service enables PEIMs to discover sections of a given type within a valid FFS file.
+
+ @param SearchType The value of the section type to find.
+ @param FfsFileHeader A pointer to the file header that contains the set of sections to
+ be searched.
+ @param SectionData A pointer to the discovered section, if successful.
+
+ @retval EFI_SUCCESS The section was found.
+ @retval EFI_NOT_FOUND The section was not found.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesFfsFindSectionData (
+ IN EFI_SECTION_TYPE SectionType,
+ IN EFI_FFS_FILE_HEADER *FfsFileHeader,
+ IN OUT VOID **SectionData
+ );
+
+/**
+ This service enables PEIMs to register the permanent memory configuration
+ that has been initialized with the PEI Foundation.
+
+ @param MemoryBegin The value of a region of installed memory.
+ @param MemoryLength The corresponding length of a region of installed memory.
+
+ @retval EFI_SUCCESS The region was successfully installed in a HOB.
+ @retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system.
+ @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesInstallPeiMemory (
+ IN EFI_PHYSICAL_ADDRESS MemoryBegin,
+ IN UINT64 MemoryLength
+ );
+
+/**
+ This service enables PEIMs to allocate memory after the permanent memory has been installed by a
+ PEIM.
+
+ @param MemoryType Type of memory to allocate.
+ @param Pages Number of pages to allocate.
+ @param Memory Pointer of memory allocated.
+
+ @retval EFI_SUCCESS The memory range was successfully allocated.
+ @retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages.
+ @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available.
+ @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesAllocatePages (
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Pages,
+ IN OUT EFI_PHYSICAL_ADDRESS *Memory
+ );
+
+/**
+ This service allocates memory from the Hand-Off Block (HOB) heap.
+
+ @param Size The number of bytes to allocate from the pool.
+ @param Buffer If the call succeeds, a pointer to a pointer to the allocate
+ buffer; undefined otherwise.
+
+ @retval EFI_SUCCESS The allocation was successful
+ @retval EFI_OUT_OF_RESOURCES There is not enough heap to allocate the requested size.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesAllocatePool (
+ IN UINTN Size,
+ OUT VOID **Buffer
+ );
+
+/**
+ This service resets the entire platform, including all processors and devices, and reboots the
+ system.
+
+ @retval EFI_NOT_AVAILABLE_YET The service has not been installed yet.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesResetSystem (
+ VOID
+ );
+
+
+#endif
diff --git a/MdePkg/Include/Library/PeiServicesTablePointerLib.h b/MdePkg/Include/Library/PeiServicesTablePointerLib.h new file mode 100644 index 000000000..74dd321f7 --- /dev/null +++ b/MdePkg/Include/Library/PeiServicesTablePointerLib.h @@ -0,0 +1,36 @@ +/** @file
+ PEI Services Table Pointer Library services
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PeiServicesTablePointerLib.h
+
+**/
+
+#ifndef __PEI_SERVICES_TABLE_POINTER_LIB_H__
+#define __PEI_SERVICES_TABLE_POINTER_LIB_H__
+
+/**
+ The function returns the pointer to PEI services.
+
+ The function returns the pointer to PEI services.
+ It will ASSERT() if the pointer to PEI services is NULL.
+
+ @retval The pointer to PeiServices.
+
+**/
+EFI_PEI_SERVICES **
+EFIAPI
+GetPeiServicesTablePointer (
+ VOID
+ );
+
+#endif
+
diff --git a/MdePkg/Include/Library/PeimEntryPoint.h b/MdePkg/Include/Library/PeimEntryPoint.h new file mode 100644 index 000000000..e08845926 --- /dev/null +++ b/MdePkg/Include/Library/PeimEntryPoint.h @@ -0,0 +1,103 @@ +/** @file
+ Entry point to a PEIM
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __MODULE_ENTRY_POINT_H__
+#define __MODULE_ENTRY_POINT_H__
+
+//
+// Declare the EFI/UEFI Specification Revision to which this driver is implemented
+//
+extern const UINT32 _gPeimRevision;
+
+/**
+ Image entry point of Peim.
+
+ @param FfsHeader Pointer to FFS header the loaded driver.
+ @param PeiServices Pointer to the PEI services.
+
+ @return Status returned by entry points of Peims.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
+
+/**
+ Wrapper of Peim image entry point.
+
+ @param FfsHeader Pointer to FFS header the loaded driver.
+ @param PeiServices Pointer to the PEI services.
+
+ @return Status returned by entry points of Peims.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
+
+/**
+ Call constructs for all libraries. Automatics Generated by tool.
+
+ @param FfsHeader Pointer to FFS header the loaded driver.
+ @param PeiServices Pointer to the PEI services.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
+
+/**
+ Call destructors for all libraries. Automatics Generated by tool.
+
+ @param FfsHeader Pointer to FFS header the loaded driver.
+ @param PeiServices Pointer to the PEI services.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
+
+/**
+ Call the list of driver entry points. Automatics Generated by tool.
+
+ @param FfsHeader Pointer to FFS header the loaded driver.
+ @param PeiServices Pointer to the PEI services.
+
+ @return Status returned by entry points of drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/PerformanceLib.h b/MdePkg/Include/Library/PerformanceLib.h new file mode 100644 index 000000000..06de00d8d --- /dev/null +++ b/MdePkg/Include/Library/PerformanceLib.h @@ -0,0 +1,216 @@ +/** @file
+ Library that provides services to measure module execution performance
+
+ Copyright (c) 2006, Intel Corporation.
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: PerformanceLib.h
+
+**/
+
+#ifndef __PERFORMANCE_LIB_H__
+#define __PERFORMANCE_LIB_H__
+
+//
+// Performance library propery mask bits
+//
+#define PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED 0x00000001
+
+/**
+ Creates a record for the beginning of a performance measurement.
+
+ Creates a record that contains the Handle, Token, and Module.
+ If TimeStamp is not zero, then TimeStamp is added to the record as the start time.
+ If TimeStamp is zero, then this function reads the current time stamp
+ and adds that time stamp value to the record as the start time.
+
+ @param Handle Pointer to environment specific context used
+ to identify the component being measured.
+ @param Token Pointer to a Null-terminated ASCII string
+ that identifies the component being measured.
+ @param Module Pointer to a Null-terminated ASCII string
+ that identifies the module being measured.
+ @param TimeStamp 64-bit time stamp.
+
+ @retval RETURN_SUCCESS The start of the measurement was recorded.
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.
+
+**/
+RETURN_STATUS
+EFIAPI
+StartPerformanceMeasurement (
+ IN CONST VOID *Handle, OPTIONAL
+ IN CONST CHAR8 *Token, OPTIONAL
+ IN CONST CHAR8 *Module, OPTIONAL
+ IN UINT64 TimeStamp
+ );
+
+/**
+ Fills in the end time of a performance measurement.
+
+ Looks up the record that matches Handle, Token, and Module.
+ If the record can not be found then return RETURN_NOT_FOUND.
+ If the record is found and TimeStamp is not zero,
+ then TimeStamp is added to the record as the end time.
+ If the record is found and TimeStamp is zero, then this function reads
+ the current time stamp and adds that time stamp value to the record as the end time.
+ If this function is called multiple times for the same record, then the end time is overwritten.
+
+ @param Handle Pointer to environment specific context used
+ to identify the component being measured.
+ @param Token Pointer to a Null-terminated ASCII string
+ that identifies the component being measured.
+ @param Module Pointer to a Null-terminated ASCII string
+ that identifies the module being measured.
+ @param TimeStamp 64-bit time stamp.
+
+ @retval RETURN_SUCCESS The end of the measurement was recorded.
+ @retval RETURN_NOT_FOUND The specified measurement record could not be found.
+
+**/
+RETURN_STATUS
+EFIAPI
+EndPerformanceMeasurement (
+ IN CONST VOID *Handle, OPTIONAL
+ IN CONST CHAR8 *Token, OPTIONAL
+ IN CONST CHAR8 *Module, OPTIONAL
+ IN UINT64 TimeStamp
+ );
+
+/**
+ Attempts to retrieve a performance measurement log entry from the performance measurement log.
+
+ Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is
+ zero on entry, then an attempt is made to retrieve the first entry from the performance log,
+ and the key for the second entry in the log is returned. If the performance log is empty,
+ then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance
+ log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is
+ returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is
+ retrieved and an implementation specific non-zero key value that specifies the end of the performance
+ log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry
+ is retrieved and zero is returned. In the cases where a performance log entry can be returned,
+ the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp.
+ If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().
+ If Handle is NULL, then ASSERT().
+ If Token is NULL, then ASSERT().
+ If Module is NULL, then ASSERT().
+ If StartTimeStamp is NULL, then ASSERT().
+ If EndTimeStamp is NULL, then ASSERT().
+
+ @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.
+ 0, then the first performance measurement log entry is retrieved.
+ On exit, the key of the next performance lof entry entry.
+ @param Handle Pointer to environment specific context used to identify the component
+ being measured.
+ @param Token Pointer to a Null-terminated ASCII string that identifies the component
+ being measured.
+ @param Module Pointer to a Null-terminated ASCII string that identifies the module
+ being measured.
+ @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
+ was started.
+ @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
+ was ended.
+
+ @return The key for the next performance log entry (in general case).
+
+**/
+UINTN
+EFIAPI
+GetPerformanceMeasurement (
+ IN UINTN LogEntryKey,
+ OUT CONST VOID **Handle,
+ OUT CONST CHAR8 **Token,
+ OUT CONST CHAR8 **Module,
+ OUT UINT64 *StartTimeStamp,
+ OUT UINT64 *EndTimeStamp
+ );
+
+/**
+ Returns TRUE if the performance measurement macros are enabled.
+
+ This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
+ PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
+ PcdPerformanceLibraryPropertyMask is set.
+ @retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
+ PcdPerformanceLibraryPropertyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+PerformanceMeasurementEnabled (
+ VOID
+ );
+
+/**
+ Macro that calls EndPerformanceMeasurement().
+
+ If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
+ then EndPerformanceMeasurement() is called.
+
+**/
+#define PERF_END(Handle, Token, Module, TimeStamp) \
+ do { \
+ if (PerformanceMeasurementEnabled ()) { \
+ EndPerformanceMeasurement (Handle, Token, Module, TimeStamp); \
+ } \
+ } while (FALSE)
+
+/**
+ Macro that calls StartPerformanceMeasurement().
+
+ If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
+ then StartPerformanceMeasurement() is called.
+
+**/
+#define PERF_START(Handle, Token, Module, TimeStamp) \
+ do { \
+ if (PerformanceMeasurementEnabled ()) { \
+ StartPerformanceMeasurement (Handle, Token, Module, TimeStamp); \
+ } \
+ } while (FALSE)
+
+/**
+ Macro that marks the beginning of performance measurement source code.
+
+ If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
+ then this macro marks the beginning of source code that is included in a module.
+ Otherwise, the source lines between PERF_CODE_BEGIN() and PERF_CODE_END() are not included in a module.
+
+**/
+#define PERF_CODE_BEGIN() do { if (PerformanceMeasurementEnabled ()) { UINT8 __PerformanceCodeLocal
+
+/**
+ Macro that marks the end of performance measurement source code.
+
+ If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
+ then this macro marks the end of source code that is included in a module.
+ Otherwise, the source lines between PERF_CODE_BEGIN() and PERF_CODE_END() are not included in a module.
+
+**/
+#define PERF_CODE_END() __PerformanceCodeLocal = 0; __PerformanceCodeLocal++; } } while (FALSE)
+
+/**
+ Macro that declares a section of performance measurement source code.
+
+ If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
+ then the source code specified by Expression is included in a module.
+ Otherwise, the source specified by Expression is not included in a module.
+
+ @param Expression Performance measurement source code to include in a module.
+
+**/
+#define PERF_CODE(Expression) \
+ PERF_CODE_BEGIN (); \
+ Expression \
+ PERF_CODE_END ()
+
+
+#endif
diff --git a/MdePkg/Include/Library/PostCodeLib.h b/MdePkg/Include/Library/PostCodeLib.h new file mode 100644 index 000000000..5a80c561d --- /dev/null +++ b/MdePkg/Include/Library/PostCodeLib.h @@ -0,0 +1,150 @@ +/** @file
+ Report Status Code Library public .h file
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __POST_CODE_LIB_H__
+#define __POST_CODE_LIB_H__
+
+#define POST_CODE_PROPERTY_POST_CODE_ENABLED 0x00000008
+#define POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED 0x00000010
+
+/**
+ Sends an 32-bit value to a POST card.
+
+ Sends the 32-bit value specified by Value to a POST card, and returns Value.
+ Some implementations of this library function may perform I/O operations
+ directly to a POST card device. Other implementations may send Value to
+ ReportStatusCode(), and the status code reporting mechanism will eventually
+ display the 32-bit value on the status reporting device.
+
+ PostCode() must actively prevent recursion. If PostCode() is called while
+ processing another any other Report Status Code Library function, then
+ PostCode() must return Value immediately.
+
+ @param Value The 32-bit value to write to the POST card.
+
+ @return Value
+
+**/
+UINT32
+EFIAPI
+PostCode (
+ IN UINT32 Value
+ );
+
+
+/**
+ Sends an 32-bit value to a POST and associated ASCII string.
+
+ Sends the 32-bit value specified by Value to a POST card, and returns Value.
+ If Description is not NULL, then the ASCII string specified by Description is
+ also passed to the handler that displays the POST card value. Some
+ implementations of this library function may perform I/O operations directly
+ to a POST card device. Other implementations may send Value to ReportStatusCode(),
+ and the status code reporting mechanism will eventually display the 32-bit
+ value on the status reporting device.
+
+ PostCodeWithDescription()must actively prevent recursion. If
+ PostCodeWithDescription() is called while processing another any other Report
+ Status Code Library function, then PostCodeWithDescription() must return Value
+ immediately.
+
+ @param Value The 32-bit value to write to the POST card.
+ @param Description Pointer to an ASCII string that is a description of the
+ POST code value. This is an optional parameter that may
+ be NULL.
+
+ @return Value
+
+**/
+UINT32
+EFIAPI
+PostCodeWithDescription (
+ IN UINT32 Value,
+ IN CONST CHAR8 *Description OPTIONAL
+ );
+
+
+/**
+ Returns TRUE if POST Codes are enabled.
+
+ This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_ENABLED
+ bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of
+ PcdPostCodeProperyMask is set.
+ @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of
+ PcdPostCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+PostCodeEnabled (
+ VOID
+ );
+
+
+/**
+ Returns TRUE if POST code descriptions are enabled.
+
+ This function returns TRUE if the
+ POST_CODE_PROPERTY_POST_CODE_ENABLED bit of
+ PcdPostCodePropertyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED
+ bit of PcdPostCodeProperyMask is set.
+ @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED
+ bit of PcdPostCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+PostCodeDescriptionEnabled (
+ VOID
+ );
+
+
+/**
+ Sends an 32-bit value to a POST card.
+
+ If POST codes are enabled in PcdPostCodeProperyMask, then call PostCode()
+ passing in Value. Value is returned.
+
+ @param Value The 32-bit value to write to the POST card.
+
+ @return Value
+
+**/
+#define POST_CODE(Value) PostCodeEnabled() ? PostCode(Value) : Value
+
+/**
+ Sends an 32-bit value to a POST and associated ASCII string.
+
+ If POST codes and POST code descriptions are enabled in
+ PcdPostCodeProperyMask, then call PostCodeWithDescription() passing in
+ Value and Description. If only POST codes are enabled, then call PostCode()
+ passing in Value. Value is returned.
+
+ @param Value The 32-bit value to write to the POST card.
+ @param Description Pointer to an ASCII string that is a description of the
+ POST code value.
+
+**/
+#define POST_CODE_WITH_DESCRIPTION(Value,Description) \
+ PostCodeEnabled() ? \
+ (PostCodeDescriptionEnabled() ? \
+ PostCodeWithDescription(Value,Description) : \
+ PostCode(Value)) : \
+ Value
+
+#endif
diff --git a/MdePkg/Include/Library/PrintLib.h b/MdePkg/Include/Library/PrintLib.h new file mode 100644 index 000000000..eb8a33b9c --- /dev/null +++ b/MdePkg/Include/Library/PrintLib.h @@ -0,0 +1,475 @@ +/** @file + Library that provides print services + + Copyright (c) 2006 - 2007, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: PrintLib.h + +**/ + +#ifndef __PRINT_LIB_H__ +#define __PRINT_LIB_H__ + +/// +/// Define the maximum number of characters that are required to +/// encode a decimal, hexidecimal, GUID, or TIME value with a NULL +/// terminator. +/// +/// Maximum Length Decimal String = 28 +/// "-9,223,372,036,854,775,808" +/// Maximum Length Hexidecimal String = 17 +/// "FFFFFFFFFFFFFFFF" +/// Maximum Length GUID = 37 +/// "00000000-0000-0000-0000-000000000000" +/// Maximum Length TIME = 18 +/// "12/12/2006 12:12" +/// +#define MAXIMUM_VALUE_CHARACTERS 38 + +/// +/// Flags bitmask values use in UnicodeValueToString() and +/// AsciiValueToString() +/// +#define LEFT_JUSTIFY 0x01 +#define COMMA_TYPE 0x08 +#define PREFIX_ZERO 0x20 +#define RADIX_HEX 0x80 + +/** + Produces a Null-terminated Unicode string in an output buffer based on + a Null-terminated Unicode format string and a VA_LIST argument list + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on the + contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeVSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + Unicode format string and variable argument list. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + ... + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + ASCII format string and a VA_LIST argument list + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on the + contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeVSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + ASCII format string and variable argument list. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the + format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + ... + ); + +/** + Converts a decimal value to a Null-terminated Unicode string. + + Converts the decimal number specified by Value to a Null-terminated Unicode + string specified by Buffer containing at most Width characters. No padding of spaces + is ever performed. If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed. + The number of Unicode characters in Buffer is returned not including the Null-terminator. + If the conversion contains more than Width characters, then only the first + Width characters are returned, and the total number of characters + required to perform the conversion is returned. + Additional conversion parameters are specified in Flags. + + The Flags bit LEFT_JUSTIFY is always ignored. + All conversions are left justified in Buffer. + If Width is 0, PREFIX_ZERO is ignored in Flags. + If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas + are inserted every 3rd digit starting from the right. + If HEX_RADIX is set in Flags, then the output buffer will be + formatted in hexadecimal format. + If Value is < 0 and HEX_RADIX is not set in Flags, then the fist character in Buffer is a '-'. + If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, + then Buffer is padded with '0' characters so the combination of the optional '-' + sign character, '0' characters, digit characters for Value, and the Null-terminator + add up to Width characters. + If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If unsupported bits are set in Flags, then ASSERT(). + If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT(). + If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT() + + @param Buffer Pointer to the output buffer for the produced Null-terminated + Unicode string. + @param Flags The bitmask of flags that specify left justification, zero pad, and commas. + @param Value The 64-bit signed value to convert to a string. + @param Width The maximum number of Unicode characters to place in Buffer, not including + the Null-terminator. + + @return The number of Unicode characters in Buffer not including the Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeValueToString ( + IN OUT CHAR16 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and a VA_LIST argument list. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on + the contents of the format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiVSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and variable argument list. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the + format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + ... + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and a VA_LIST argument list. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on + the contents of the format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiVSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and variable argument list. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the + format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString Null-terminated Unicode format string. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + ... + ); + +/** + Converts a decimal value to a Null-terminated ASCII string. + + Converts the decimal number specified by Value to a Null-terminated ASCII string + specified by Buffer containing at most Width characters. No padding of spaces + is ever performed. + If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed. + The number of ASCII characters in Buffer is returned not including the Null-terminator. + If the conversion contains more than Width characters, then only the first Width + characters are returned, and the total number of characters required to perform + the conversion is returned. + Additional conversion parameters are specified in Flags. + The Flags bit LEFT_JUSTIFY is always ignored. + All conversions are left justified in Buffer. + If Width is 0, PREFIX_ZERO is ignored in Flags. + If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas + are inserted every 3rd digit starting from the right. + If HEX_RADIX is set in Flags, then the output buffer will be + formatted in hexadecimal format. + If Value is < 0 and HEX_RADIX is not set in Flags, then the fist character in Buffer is a '-'. + If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, + then Buffer is padded with '0' characters so the combination of the optional '-' + sign character, '0' characters, digit characters for Value, and the Null-terminator + add up to Width characters. + + If Buffer is NULL, then ASSERT(). + If unsupported bits are set in Flags, then ASSERT(). + If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT(). + If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT() + + @param Buffer Pointer to the output buffer for the produced Null-terminated + ASCII string. + @param Flags The bitmask of flags that specify left justification, zero pad, and commas. + @param Value The 64-bit signed value to convert to a string. + @param Width The maximum number of ASCII characters to place in Buffer, not including + the Null-terminator. + + @return The number of ASCII characters in Buffer not including the Null-terminator. + +**/ +UINTN +EFIAPI +AsciiValueToString ( + IN OUT CHAR8 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ); + +#endif diff --git a/MdePkg/Include/Library/ReportStatusCodeLib.h b/MdePkg/Include/Library/ReportStatusCodeLib.h new file mode 100644 index 000000000..6b32ddb13 --- /dev/null +++ b/MdePkg/Include/Library/ReportStatusCodeLib.h @@ -0,0 +1,632 @@ +/** @file
+ Report Status Code Library public .h file
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __REPORT_STATUS_CODE_LIB_H__
+#define __REPORT_STATUS_CODE_LIB_H__
+
+//
+// Declare bits for PcdReportStatusCodePropertyMask
+//
+#define REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED 0x00000001
+#define REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED 0x00000002
+#define REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED 0x00000004
+
+//
+// Extended Data structure definitions with EFI_STATUS_CODE_DATA headers removed
+//
+
+///
+/// Voltage Extended Error Data
+///
+typedef struct {
+ EFI_EXP_BASE10_DATA Voltage;
+ EFI_EXP_BASE10_DATA Threshold;
+} REPORT_STATUS_CODE_LIBRARY_COMPUTING_UNIT_VOLTAGE_ERROR_DATA;
+
+///
+/// Microcode Update Extended Error Data
+///
+typedef struct {
+ UINT32 Version;
+} REPORT_STATUS_CODE_LIBRARY_COMPUTING_UNIT_MICROCODE_UPDATE_ERROR_DATA;
+
+///
+/// Asynchronous Timer Extended Error Data
+///
+typedef struct {
+ EFI_EXP_BASE10_DATA TimerLimit;
+} REPORT_STATUS_CODE_LIBRARY_COMPUTING_UNIT_TIMER_EXPIRED_ERROR_DATA;
+
+///
+/// Host Processor Mismatch Extended Error Data
+///
+typedef struct {
+ UINT32 Instance;
+ UINT16 Attributes;
+} REPORT_STATUS_CODE_LIBRARY_HOST_PROCESSOR_MISMATCH_ERROR_DATA;
+
+///
+/// Thermal Extended Error Data
+///
+typedef struct {
+ EFI_EXP_BASE10_DATA Temperature;
+ EFI_EXP_BASE10_DATA Threshold;
+} REPORT_STATUS_CODE_LIBRARY_COMPUTING_UNIT_THERMAL_ERROR_DATA;
+
+///
+/// Processor Disabled Extended Error Data
+///
+typedef struct {
+ UINT32 Cause;
+ BOOLEAN SoftwareDisabled;
+} REPORT_STATUS_CODE_LIBRARY_COMPUTING_UNIT_CPU_DISABLED_ERROR_DATA;
+
+///
+/// Embedded cache init extended data
+///
+typedef struct {
+ UINT32 Level;
+ EFI_INIT_CACHE_TYPE Type;
+} REPORT_STATUS_CODE_LIBRARY_CACHE_INIT_DATA;
+
+///
+/// Memory Extended Error Data
+///
+typedef struct {
+ EFI_MEMORY_ERROR_GRANULARITY Granularity;
+ EFI_MEMORY_ERROR_OPERATION Operation;
+ UINTN Syndrome;
+ EFI_PHYSICAL_ADDRESS Address;
+ UINTN Resolution;
+} REPORT_STATUS_CODE_LIBRARY_MEMORY_EXTENDED_ERROR_DATA;
+
+///
+/// DIMM number
+///
+typedef struct {
+ UINT16 Array;
+ UINT16 Device;
+} REPORT_STATUS_CODE_LIBRARY_STATUS_CODE_DIMM_NUMBER;
+
+///
+/// Memory Module Mismatch Extended Error Data
+///
+typedef struct {
+ EFI_STATUS_CODE_DIMM_NUMBER Instance;
+} REPORT_STATUS_CODE_LIBRARY_MEMORY_MODULE_MISMATCH_ERROR_DATA;
+
+///
+/// Memory Range Extended Data
+///
+typedef struct {
+ EFI_PHYSICAL_ADDRESS Start;
+ EFI_PHYSICAL_ADDRESS Length;
+} REPORT_STATUS_CODE_LIBRARY_MEMORY_RANGE_EXTENDED_DATA;
+
+///
+/// Device handle Extended Data. Used for many
+/// errors and progress codes to point to the device.
+///
+typedef struct {
+ EFI_HANDLE Handle;
+} REPORT_STATUS_CODE_LIBRARY_DEVICE_HANDLE_EXTENDED_DATA;
+
+typedef struct {
+ UINT8 *DevicePath;
+} REPORT_STATUS_CODE_LIBRARY_DEVICE_PATH_EXTENDED_DATA;
+
+typedef struct {
+ EFI_HANDLE ControllerHandle;
+ EFI_HANDLE DriverBindingHandle;
+ UINT16 DevicePathSize;
+ UINT8 *RemainingDevicePath;
+} REPORT_STATUS_CODE_LIBRARY_STATUS_CODE_START_EXTENDED_DATA;
+
+///
+/// Resource Allocation Failure Extended Error Data
+///
+typedef struct {
+ UINT32 Bar;
+ UINT16 DevicePathSize;
+ UINT16 ReqResSize;
+ UINT16 AllocResSize;
+ UINT8 *DevicePath;
+ UINT8 *ReqRes;
+ UINT8 *AllocRes;
+} REPORT_STATUS_CODE_LIBRARY_RESOURCE_ALLOC_FAILURE_ERROR_DATA;
+
+///
+/// Extended Error Data for Assert
+///
+typedef struct {
+ UINT32 LineNumber;
+ UINT32 FileNameSize;
+ EFI_STATUS_CODE_STRING_DATA *FileName;
+} REPORT_STATUS_CODE_LIBRARY_DEBUG_ASSERT_DATA;
+
+///
+/// System Context Data EBC/IA32/IPF
+///
+typedef struct {
+ EFI_STATUS_CODE_EXCEP_SYSTEM_CONTEXT Context;
+} REPORT_STATUS_CODE_LIBRARY_STATUS_CODE_EXCEP_EXTENDED_DATA;
+
+///
+/// Legacy Oprom extended data
+///
+typedef struct {
+ EFI_HANDLE DeviceHandle;
+ EFI_PHYSICAL_ADDRESS RomImageBase;
+} REPORT_STATUS_CODE_LIBRARY_LEGACY_OPROM_EXTENDED_DATA;
+
+//
+// Extern for the modules Caller ID GUID
+//
+extern EFI_GUID gEfiCallerIdGuid;
+
+/**
+ Converts a status code to an 8-bit POST code value.
+
+ Converts the status code specified by CodeType and Value to an 8-bit POST code
+ and returns the 8-bit POST code in PostCode. If CodeType is an
+ EFI_PROGRESS_CODE or CodeType is an EFI_ERROR_CODE, then bits 0..4 of PostCode
+ are set to bits 16..20 of Value, and bits 5..7 of PostCode are set to bits
+ 24..26 of Value., and TRUE is returned. Otherwise, FALSE is returned.
+
+ If PostCode is NULL, then ASSERT().
+
+ @param CodeType The type of status code being converted.
+ @param Value The status code value being converted.
+ @param PostCode A pointer to the 8-bit POST code value to return.
+
+ @retval TRUE The status code specified by CodeType and Value was converted
+ to an 8-bit POST code and returned in PostCode.
+ @retval FALSE The status code specified by CodeType and Value could not be
+ converted to an 8-bit POST code value.
+
+**/
+BOOLEAN
+EFIAPI
+CodeTypeToPostCode (
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value,
+ OUT UINT8 *PostCode
+ );
+
+
+/**
+ Extracts ASSERT() information from a status code structure.
+
+ Converts the status code specified by CodeType, Value, and Data to the ASSERT()
+ arguments specified by Filename, Description, and LineNumber. If CodeType is
+ an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and
+ Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract
+ Filename, Description, and LineNumber from the optional data area of the
+ status code buffer specified by Data. The optional data area of Data contains
+ a Null-terminated ASCII string for the FileName, followed by a Null-terminated
+ ASCII string for the Description, followed by a 32-bit LineNumber. If the
+ ASSERT() information could be extracted from Data, then return TRUE.
+ Otherwise, FALSE is returned.
+
+ If Data is NULL, then ASSERT().
+ If Filename is NULL, then ASSERT().
+ If Description is NULL, then ASSERT().
+ If LineNumber is NULL, then ASSERT().
+
+ @param CodeType The type of status code being converted.
+ @param Value The status code value being converted.
+ @param Data Pointer to status code data buffer.
+ @param Filename Pointer to the source file name that generated the ASSERT().
+ @param Description Pointer to the description of the ASSERT().
+ @param LineNumber Pointer to source line number that generated the ASSERT().
+
+ @retval TRUE The status code specified by CodeType, Value, and Data was
+ converted ASSERT() arguments specified by Filename, Description,
+ and LineNumber.
+ @retval FALSE The status code specified by CodeType, Value, and Data could
+ not be converted to ASSERT() arguments.
+
+**/
+BOOLEAN
+EFIAPI
+ReportStatusCodeExtractAssertInfo (
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN CONST EFI_STATUS_CODE_DATA *Data,
+ OUT CHAR8 **Filename,
+ OUT CHAR8 **Description,
+ OUT UINT32 *LineNumber
+ );
+
+
+/**
+ Extracts DEBUG() information from a status code structure.
+
+ Converts the status code specified by Data to the DEBUG() arguments specified
+ by ErrorLevel, Marker, and Format. If type GUID in Data is
+ EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and
+ Format from the optional data area of the status code buffer specified by Data.
+ The optional data area of Data contains a 32-bit ErrorLevel followed by Marker
+ which is 12 UINTN parameters, followed by a Null-terminated ASCII string for
+ the Format. If the DEBUG() information could be extracted from Data, then
+ return TRUE. Otherwise, FALSE is returned.
+
+ If Data is NULL, then ASSERT().
+ If ErrorLevel is NULL, then ASSERT().
+ If Marker is NULL, then ASSERT().
+ If Format is NULL, then ASSERT().
+
+ @param Data Pointer to status code data buffer.
+ @param ErrorLevel Pointer to error level mask for a debug message.
+ @param Marker Pointer to the variable argument list associated with Format.
+ @param Format Pointer to a Null-terminated ASCII format string of a
+ debug message.
+
+ @retval TRUE The status code specified by Data was converted DEBUG() arguments
+ specified by ErrorLevel, Marker, and Format.
+ @retval FALSE The status code specified by Data could not be converted to
+ DEBUG() arguments.
+
+**/
+BOOLEAN
+EFIAPI
+ReportStatusCodeExtractDebugInfo (
+ IN CONST EFI_STATUS_CODE_DATA *Data,
+ OUT UINT32 *ErrorLevel,
+ OUT VA_LIST *Marker,
+ OUT CHAR8 **Format
+ );
+
+
+/**
+ Reports a status code.
+
+ Reports the status code specified by the parameters Type and Value. Status
+ code also require an instance, caller ID, and extended data. This function
+ passed in a zero instance, NULL extended data, and a caller ID of
+ gEfiCallerIdGuid, which is the GUID for the module.
+
+ ReportStatusCode()must actively prevent recusrsion. If ReportStatusCode()
+ is called while processing another any other Report Status Code Library function,
+ then ReportStatusCode() must return immediately.
+
+ @param Type Status code type.
+ @param Value Status code value.
+
+ @retval EFI_SUCCESS The status code was reported.
+ @retval EFI_DEVICE_ERROR There status code could not be reported due to a
+ device error.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+EFI_STATUS
+EFIAPI
+ReportStatusCode (
+ IN EFI_STATUS_CODE_TYPE Type,
+ IN EFI_STATUS_CODE_VALUE Value
+ );
+
+
+/**
+ Reports a status code with a Device Path Protocol as the extended data.
+
+ Allocates and fills in the extended data section of a status code with the
+ Device Path Protocol specified by DevicePath. This function is responsible
+ for allocating a buffer large enough for the standard header and the device
+ path. The standard header is filled in with a GUID of
+ gEfiStatusCodeSpecificDataGuid. The status code is reported with a zero
+ instance and a caller ID of gEfiCallerIdGuid.
+
+ ReportStatusCodeWithDevicePath()must actively prevent recursion. If
+ ReportStatusCodeWithDevicePath() is called while processing another any other
+ Report Status Code Library function, then ReportStatusCodeWithDevicePath()
+ must return EFI_DEVICE_ERROR immediately.
+
+ If DevicePath is NULL, then ASSERT().
+
+ @param Type Status code type.
+ @param Value Status code value.
+ @param DevicePath Pointer to the Device Path Protocol to be reported.
+
+ @retval EFI_SUCCESS The status code was reported with the extended
+ data specified by DevicePath.
+ @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
+ extended data section.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+EFI_STATUS
+EFIAPI
+ReportStatusCodeWithDevicePath (
+ IN EFI_STATUS_CODE_TYPE Type,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+
+/**
+ Reports a status code with an extended data buffer.
+
+ Allocates and fills in the extended data section of a status code with the
+ extended data specified by ExtendedData and ExtendedDataSize. ExtendedData
+ is assumed to be one of the data structures specified in Related Definitions.
+ These data structure do not have the standard header, so this function is
+ responsible for allocating a buffer large enough for the standard header and
+ the extended data passed into this function. The standard header is filled
+ in with a GUID of gEfiStatusCodeSpecificDataGuid. The status code is reported
+ with a zero instance and a caller ID of gEfiCallerIdGuid.
+
+ ReportStatusCodeWithExtendedData()must actively prevent recursion. If
+ ReportStatusCodeWithExtendedData() is called while processing another any other
+ Report Status Code Library function, then ReportStatusCodeWithExtendedData()
+ must return EFI_DEVICE_ERROR immediately.
+
+ If ExtendedData is NULL, then ASSERT().
+ If ExtendedDataSize is 0, then ASSERT().
+
+ @param Type Status code type.
+ @param Value Status code value.
+ @param ExtendedData Pointer to the extended data buffer to be reported.
+ @param ExtendedDataSize The size, in bytes, of the extended data buffer to
+ be reported.
+
+ @retval EFI_SUCCESS The status code was reported with the extended
+ data specified by ExtendedData and ExtendedDataSize.
+ @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
+ extended data section.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+EFI_STATUS
+EFIAPI
+ReportStatusCodeWithExtendedData (
+ IN EFI_STATUS_CODE_TYPE Type,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN CONST VOID *ExtendedData,
+ IN UINTN ExtendedDataSize
+ );
+
+
+/**
+ Reports a status code with full parameters.
+
+ The function reports a status code. If ExtendedData is NULL and ExtendedDataSize
+ is 0, then an extended data buffer is not reported. If ExtendedData is not
+ NULL and ExtendedDataSize is not 0, then an extended data buffer is allocated.
+ ExtendedData is assumed not have the standard status code header, so this function
+ is responsible for allocating a buffer large enough for the standard header and
+ the extended data passed into this function. The standard header is filled in
+ with a GUID specified by ExtendedDataGuid. If ExtendedDataGuid is NULL, then a
+ GUID of gEfiStatusCodeSpecificDatauid is used. The status code is reported with
+ an instance specified by Instance and a caller ID specified by CallerId. If
+ CallerId is NULL, then a caller ID of gEfiCallerIdGuid is used.
+
+ ReportStatusCodeEx()must actively prevent recursion. If ReportStatusCodeEx()
+ is called while processing another any other Report Status Code Library function,
+ then ReportStatusCodeEx() must return EFI_DEVICE_ERROR immediately.
+
+ If ExtendedData is NULL and ExtendedDataSize is not zero, then ASSERT().
+ If ExtendedData is not NULL and ExtendedDataSize is zero, then ASSERT().
+
+ @param Type Status code type.
+ @param Value Status code value.
+ @param Instance Status code instance number.
+ @param CallerId Pointer to a GUID that identifies the caller of this
+ function. If this parameter is NULL, then a caller
+ ID of gEfiCallerIdGuid is used.
+ @param ExtendedDataGuid Pointer to the GUID for the extended data buffer.
+ If this parameter is NULL, then a the status code
+ standard header is filled in with
+ gEfiStatusCodeSpecificDataGuid.
+ @param ExtendedData Pointer to the extended data buffer. This is an
+ optional parameter that may be NULL.
+ @param ExtendedDataSize The size, in bytes, of the extended data buffer.
+
+ @retval EFI_SUCCESS The status code was reported.
+ @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate
+ the extended data section if it was specified.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+EFI_STATUS
+EFIAPI
+ReportStatusCodeEx (
+ IN EFI_STATUS_CODE_TYPE Type,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN UINT32 Instance,
+ IN CONST EFI_GUID *CallerId OPTIONAL,
+ IN CONST EFI_GUID *ExtendedDataGuid OPTIONAL,
+ IN CONST VOID *ExtendedData OPTIONAL,
+ IN UINTN ExtendedDataSize
+ );
+
+
+/**
+ Returns TRUE if status codes of type EFI_PROGRESS_CODE are enabled
+
+ This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED
+ bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
+ PcdReportStatusCodeProperyMask is set.
+ @retval FALSE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
+ PcdReportStatusCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+ReportProgressCodeEnabled (
+ VOID
+ );
+
+
+/**
+ Returns TRUE if status codes of type EFI_ERROR_CODE are enabled
+
+ This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED
+ bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
+ PcdReportStatusCodeProperyMask is set.
+ @retval FALSE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
+ PcdReportStatusCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+ReportErrorCodeEnabled (
+ VOID
+ );
+
+
+/**
+ Returns TRUE if status codes of type EFI_DEBUG_CODE are enabled
+
+ This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED
+ bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
+ PcdReportStatusCodeProperyMask is set.
+ @retval FALSE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
+ PcdReportStatusCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+ReportDebugCodeEnabled (
+ VOID
+ );
+
+
+/**
+ Reports a status code with minimal parameters if the status code type is enabled.
+
+ If the status code type specified by Type is enabled in
+ PcdReportStatusCodeProperyMask, then call ReportStatusCode() passing in Type
+ and Value.
+
+ @param Type Status code type.
+ @param Value Status code value.
+
+ @retval EFI_SUCCESS The status code was reported.
+ @retval EFI_DEVICE_ERROR There status code could not be reported due to a device error.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+#define REPORT_STATUS_CODE(Type,Value) \
+ (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \
+ ReportStatusCode(Type,Value) : \
+ (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \
+ ReportStatusCode(Type,Value) : \
+ (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \
+ ReportStatusCode(Type,Value) : \
+ EFI_UNSUPPORTED
+
+
+/**
+ Reports a status code with a Device Path Protocol as the extended data if the
+ status code type is enabled.
+
+ If the status code type specified by Type is enabled in
+ PcdReportStatusCodeProperyMask, then call ReportStatusCodeWithDevicePath()
+ passing in Type, Value, and DevicePath.
+
+ @param Type Status code type.
+ @param Value Status code value.
+ @param DevicePath Pointer to the Device Path Protocol to be reported.
+
+ @retval EFI_SUCCESS The status code was reported with the extended
+ data specified by DevicePath.
+ @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
+ extended data section.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+#define REPORT_STATUS_CODE_WITH_DEVICE_PATH(Type,Value,DevicePathParameter) \
+ (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \
+ ReportStatusCodeWithDevicePath(Type,Value,DevicePathParameter) : \
+ (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \
+ ReportStatusCodeWithDevicePath(Type,Value,DevicePathParameter) : \
+ (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \
+ ReportStatusCodeWithDevicePath(Type,Value,DevicePathParameter) : \
+ EFI_UNSUPPORTED
+
+
+/**
+ Reports a status code with an extended data buffer if the status code type
+ is enabled.
+
+ If the status code type specified by Type is enabled in
+ PcdReportStatusCodeProperyMask, then call ReportStatusCodeWithExtendedData()
+ passing in Type, Value, ExtendedData, and ExtendedDataSize.
+
+ @param Type Status code type.
+ @param Value Status code value.
+ @param ExtendedData Pointer to the extended data buffer to be reported.
+ @param ExtendedDataSize The size, in bytes, of the extended data buffer to
+ be reported.
+
+ @retval EFI_SUCCESS The status code was reported with the extended
+ data specified by ExtendedData and ExtendedDataSize.
+ @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
+ extended data section.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+#define REPORT_STATUS_CODE_WITH_EXTENDED_DATA(Type,Value,ExtendedData,ExtendedDataSize) \
+ (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \
+ ReportStatusCodeWithExtendedData(Type,Value,ExtendedData,ExtendedDataSize) : \
+ (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \
+ ReportStatusCodeWithExtendedData(Type,Value,ExtendedData,ExtendedDataSize) : \
+ (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \
+ ReportStatusCodeWithExtendedData(Type,Value,ExtendedData,ExtendedDataSize) : \
+ EFI_UNSUPPORTED
+
+/**
+ Reports a status code specifying all parameters if the status code type is enabled.
+
+ If the status code type specified by Type is enabled in
+ PcdReportStatusCodeProperyMask, then call ReportStatusCodeEx() passing in Type,
+ Value, Instance, CallerId, ExtendedDataGuid, ExtendedData, and ExtendedDataSize.
+
+ @param Type Status code type.
+ @param Value Status code value.
+ @param Instance Status code instance number.
+ @param CallerId Pointer to a GUID that identifies the caller of this
+ function. If this parameter is NULL, then a caller
+ ID of gEfiCallerIdGuid is used.
+ @param ExtendedDataGuid Pointer to the GUID for the extended data buffer.
+ If this parameter is NULL, then a the status code
+ standard header is filled in with
+ gEfiStatusCodeSpecificDataGuid.
+ @param ExtendedData Pointer to the extended data buffer. This is an
+ optional parameter that may be NULL.
+ @param ExtendedDataSize The size, in bytes, of the extended data buffer.
+
+ @retval EFI_SUCCESS The status code was reported.
+ @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
+ extended data section if it was specified.
+ @retval EFI_UNSUPPORTED Report status code is not supported
+
+**/
+#define REPORT_STATUS_CODE_EX(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) \
+ (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \
+ ReportStatusCodeEx(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) : \
+ (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \
+ ReportStatusCodeEx(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) : \
+ (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \
+ ReportStatusCodeEx(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) : \
+ EFI_UNSUPPORTED
+
+#endif
diff --git a/MdePkg/Include/Library/ResourcePublicationLib.h b/MdePkg/Include/Library/ResourcePublicationLib.h new file mode 100644 index 000000000..ccd3eaed2 --- /dev/null +++ b/MdePkg/Include/Library/ResourcePublicationLib.h @@ -0,0 +1,44 @@ +/** @file
+ Declare presence of resources in the platform
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: ResourcePublicationLib.h
+
+**/
+
+#ifndef __RESOURCE_PUBLICATION_LIB__
+#define __RESOURCE_PUBLICATION_LIB__
+
+/**
+
+ Declares the presence of permanent system memory in the platform.
+
+ Declares that the system memory buffer specified by MemoryBegin and MemoryLength
+ as permanent memory that may be used for general purpose use by software.
+ The amount of memory available to software may be less than MemoryLength
+ if published memory has alignment restrictions.
+
+ @param MemoryBegin The start address of the memory being declared.
+ @param MemoryLength The number of bytes of memory being declared.
+
+ @retval RETURN_SUCCESS The memory buffer was published.
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources to publish the memory buffer
+
+**/
+RETURN_STATUS
+EFIAPI
+PublishSystemMemory (
+ IN PHYSICAL_ADDRESS MemoryBegin,
+ IN UINT64 MemoryLength
+ )
+;
+
+#endif
diff --git a/MdePkg/Include/Library/ScsiLib.h b/MdePkg/Include/Library/ScsiLib.h new file mode 100644 index 000000000..bb1a1adbb --- /dev/null +++ b/MdePkg/Include/Library/ScsiLib.h @@ -0,0 +1,299 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ ScsiLib.h
+
+ Abstract:
+
+ Common Libarary for SCSI
+
+ Revision History
+
+--*/
+
+#ifndef _SCSI_LIB_H
+#define _SCSI_LIB_H
+
+//
+// the time unit is 100ns, since the SCSI I/O defines timeout in 100ns unit.
+//
+#define EFI_SCSI_STALL_1_MICROSECOND 10
+#define EFI_SCSI_STALL_1_MILLISECOND 10000
+#define EFI_SCSI_STALL_1_SECOND 10000000
+
+//
+// this macro cannot be directly used by the gBS->Stall(),
+// since the value output by this macro is in 100ns unit,
+// not 1us unit (1us = 1000ns)
+//
+#define EfiScsiStallSeconds(a) (a) * EFI_SCSI_STALL_1_SECOND
+
+EFI_STATUS
+SubmitTestUnitReadyCommand (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ OUT VOID *SenseData,
+ OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SubmitInquiryCommand (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus,
+ IN OUT VOID *InquiryDataBuffer,
+ IN OUT UINT32 *InquiryDataLength,
+ IN BOOLEAN EnableVitalProductData
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+ InquiryDataBuffer - TODO: add argument description
+ InquiryDataLength - TODO: add argument description
+ EnableVitalProductData - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SubmitModeSense10Command (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus,
+ IN VOID *DataBuffer,
+ IN OUT UINT32 *DataLength,
+ IN UINT8 DBDField, OPTIONAL
+ IN UINT8 PageControl,
+ IN UINT8 PageCode
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+ DataBuffer - TODO: add argument description
+ DataLength - TODO: add argument description
+ DBDField - TODO: add argument description
+ PageControl - TODO: add argument description
+ PageCode - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SubmitRequestSenseCommand (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+//
+// Commands for direct access command
+//
+EFI_STATUS
+SubmitReadCapacityCommand (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus,
+ OUT VOID *DataBuffer,
+ IN OUT UINT32 *DataLength,
+ IN BOOLEAN PMI
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+ DataBuffer - TODO: add argument description
+ DataLength - TODO: add argument description
+ PMI - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SubmitRead10Command (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus,
+ OUT VOID *DataBuffer,
+ IN OUT UINT32 *DataLength,
+ IN UINT32 StartLba,
+ IN UINT32 SectorSize
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+ DataBuffer - TODO: add argument description
+ DataLength - TODO: add argument description
+ StartLba - TODO: add argument description
+ SectorSize - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SubmitWrite10Command (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus,
+ OUT VOID *DataBuffer,
+ IN OUT UINT32 *DataLength,
+ IN UINT32 StartLba,
+ IN UINT32 SectorSize
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ ScsiIo - TODO: add argument description
+ Timeout - TODO: add argument description
+ SenseData - TODO: add argument description
+ SenseDataLength - TODO: add argument description
+ HostAdapterStatus - TODO: add argument description
+ TargetStatus - TODO: add argument description
+ DataBuffer - TODO: add argument description
+ DataLength - TODO: add argument description
+ StartLba - TODO: add argument description
+ SectorSize - TODO: add argument description
+
+Returns:
+
+ TODO: add return values
+
+--*/
+;
+
+#endif
diff --git a/MdePkg/Include/Library/SmbusLib.h b/MdePkg/Include/Library/SmbusLib.h new file mode 100644 index 000000000..0520523bf --- /dev/null +++ b/MdePkg/Include/Library/SmbusLib.h @@ -0,0 +1,388 @@ +/** @file
+ SMBUS Functions
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: SmbusLib.h
+
+**/
+
+#ifndef __SMBUS_LIB__
+#define __SMBUS_LIB__
+
+//
+// PEC BIT is bit 22 in SMBUS address
+//
+#define SMBUS_LIB_PEC_BIT (1 << 22)
+
+/**
+ Macro that converts SMBUS slave address, SMBUS command, SMBUS data length,
+ and PEC to a value that can be passed to the SMBUS Library functions.
+
+ Computes an address that is compatible with the SMBUS Library functions.
+ The unused upper bits of SlaveAddress, Command, and Length are stripped
+ prior to the generation of the address.
+
+ @param SlaveAddress SMBUS Slave Address. Range 0..127.
+ @param Command SMBUS Command. Range 0..255.
+ @param Length SMBUS Data Length. Range 0..32.
+ @param Pec TRUE if Packet Error Checking is enabled. Otherwise FALSE.
+
+**/
+#define SMBUS_LIB_ADDRESS(SlaveAddress,Command,Length,Pec) \
+ ( ((Pec) ? SMBUS_LIB_PEC_BIT: 0) | \
+ (((SlaveAddress) & 0x7f) << 1) | \
+ (((Command) & 0xff) << 8) | \
+ (((Length) & 0x3f) << 16) \
+ )
+
+/**
+ Executes an SMBUS quick read command.
+
+ Executes an SMBUS quick read command on the SMBUS device specified by SmBusAddress.
+ Only the SMBUS slave address field of SmBusAddress is required.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If PEC is set in SmBusAddress, then ASSERT().
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+**/
+VOID
+EFIAPI
+SmBusQuickRead (
+ IN UINTN SmBusAddress,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS quick write command.
+
+ Executes an SMBUS quick write command on the SMBUS device specified by SmBusAddress.
+ Only the SMBUS slave address field of SmBusAddress is required.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If PEC is set in SmBusAddress, then ASSERT().
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+**/
+VOID
+EFIAPI
+SmBusQuickWrite (
+ IN UINTN SmBusAddress,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS receive byte command.
+
+ Executes an SMBUS receive byte command on the SMBUS device specified by SmBusAddress.
+ Only the SMBUS slave address field of SmBusAddress is required.
+ The byte received from the SMBUS is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The byte received from the SMBUS.
+
+**/
+UINT8
+EFIAPI
+SmBusReceiveByte (
+ IN UINTN SmBusAddress,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS send byte command.
+
+ Executes an SMBUS send byte command on the SMBUS device specified by SmBusAddress.
+ The byte specified by Value is sent.
+ Only the SMBUS slave address field of SmBusAddress is required. Value is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Value The 8-bit value to send.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The parameter of Value.
+
+**/
+UINT8
+EFIAPI
+SmBusSendByte (
+ IN UINTN SmBusAddress,
+ IN UINT8 Value,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS read data byte command.
+
+ Executes an SMBUS read data byte command on the SMBUS device specified by SmBusAddress.
+ Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
+ The 8-bit value read from the SMBUS is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The byte read from the SMBUS.
+
+**/
+UINT8
+EFIAPI
+SmBusReadDataByte (
+ IN UINTN SmBusAddress,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS write data byte command.
+
+ Executes an SMBUS write data byte command on the SMBUS device specified by SmBusAddress.
+ The 8-bit value specified by Value is written.
+ Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
+ Value is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Value The 8-bit value to write.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The parameter of Value.
+
+**/
+UINT8
+EFIAPI
+SmBusWriteDataByte (
+ IN UINTN SmBusAddress,
+ IN UINT8 Value,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS read data word command.
+
+ Executes an SMBUS read data word command on the SMBUS device specified by SmBusAddress.
+ Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
+ The 16-bit value read from the SMBUS is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The byte read from the SMBUS.
+
+**/
+UINT16
+EFIAPI
+SmBusReadDataWord (
+ IN UINTN SmBusAddress,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS write data word command.
+
+ Executes an SMBUS write data word command on the SMBUS device specified by SmBusAddress.
+ The 16-bit value specified by Value is written.
+ Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
+ Value is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Value The 16-bit value to write.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The parameter of Value.
+
+**/
+UINT16
+EFIAPI
+SmBusWriteDataWord (
+ IN UINTN SmBusAddress,
+ IN UINT16 Value,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS process call command.
+
+ Executes an SMBUS process call command on the SMBUS device specified by SmBusAddress.
+ The 16-bit value specified by Value is written.
+ Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
+ The 16-bit value returned by the process call command is returned.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Value The 16-bit value to write.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The 16-bit value returned by the process call command.
+
+**/
+UINT16
+EFIAPI
+SmBusProcessCall (
+ IN UINTN SmBusAddress,
+ IN UINT16 Value,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS read block command.
+
+ Executes an SMBUS read block command on the SMBUS device specified by SmBusAddress.
+ Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
+ Bytes are read from the SMBUS and stored in Buffer.
+ The number of bytes read is returned, and will never return a value larger than 32-bytes.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
+ SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes.
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If Buffer is NULL, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Buffer Pointer to the buffer to store the bytes read from the SMBUS.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The number of bytes read.
+
+**/
+UINTN
+EFIAPI
+SmBusReadBlock (
+ IN UINTN SmBusAddress,
+ OUT VOID *Buffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS write block command.
+
+ Executes an SMBUS write block command on the SMBUS device specified by SmBusAddress.
+ The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required.
+ Bytes are written to the SMBUS from Buffer.
+ The number of bytes written is returned, and will never return a value larger than 32-bytes.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ If Length in SmBusAddress is zero or greater than 32, then ASSERT().
+ If Buffer is NULL, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Buffer Pointer to the buffer to store the bytes read from the SMBUS.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The number of bytes written.
+
+**/
+UINTN
+EFIAPI
+SmBusWriteBlock (
+ IN UINTN SmBusAddress,
+ OUT VOID *Buffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+/**
+ Executes an SMBUS block process call command.
+
+ Executes an SMBUS block process call command on the SMBUS device specified by SmBusAddress.
+ The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required.
+ Bytes are written to the SMBUS from WriteBuffer. Bytes are then read from the SMBUS into ReadBuffer.
+ If Status is not NULL, then the status of the executed command is returned in Status.
+ It is the caller's responsibility to make sure ReadBuffer is large enough for the total number of bytes read.
+ SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes.
+ If Length in SmBusAddress is zero or greater than 32, then ASSERT().
+ If WriteBuffer is NULL, then ASSERT().
+ If ReadBuffer is NULL, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param WriteBuffer Pointer to the buffer of bytes to write to the SMBUS.
+ @param ReadBuffer Pointer to the buffer of bytes to read from the SMBUS.
+ @param Status Return status for the executed command.
+ This is an optional parameter and may be NULL.
+
+ @return The number of bytes written.
+
+**/
+UINTN
+EFIAPI
+SmBusBlockProcessCall (
+ IN UINTN SmBusAddress,
+ IN VOID *WriteBuffer,
+ OUT VOID *ReadBuffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+;
+
+
+#endif
diff --git a/MdePkg/Include/Library/TimerLib.h b/MdePkg/Include/Library/TimerLib.h new file mode 100644 index 000000000..8f31bbb5f --- /dev/null +++ b/MdePkg/Include/Library/TimerLib.h @@ -0,0 +1,100 @@ +/** @file
+ Timer Library Functions
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: TimerLib.h
+
+**/
+
+#ifndef __TIMER_LIB__
+#define __TIMER_LIB__
+
+/**
+ Stalls the CPU for at least the given number of microseconds.
+
+ Stalls the CPU for the number of microseconds specified by MicroSeconds.
+
+ @param MicroSeconds The minimum number of microseconds to delay.
+
+ @return MicroSeconds
+
+**/
+UINTN
+EFIAPI
+MicroSecondDelay (
+ IN UINTN MicroSeconds
+ );
+
+/**
+ Stalls the CPU for at least the given number of nanoseconds.
+
+ Stalls the CPU for the number of nanoseconds specified by NanoSeconds.
+
+ @param NanoSeconds The minimum number of nanoseconds to delay.
+
+ @return NanoSeconds
+
+**/
+UINTN
+EFIAPI
+NanoSecondDelay (
+ IN UINTN NanoSeconds
+ );
+
+/**
+ Retrieves the current value of a 64-bit free running performance counter.
+
+ Retrieves the current value of a 64-bit free running performance counter. The
+ counter can either count up by 1 or count down by 1. If the physical
+ performance counter counts by a larger increment, then the counter values
+ must be translated. The properties of the counter can be retrieved from
+ GetPerformanceCounterProperties().
+
+ @return The current value of the free running performance counter.
+
+**/
+UINT64
+EFIAPI
+GetPerformanceCounter (
+ VOID
+ );
+
+/**
+ Retrieves the 64-bit frequency in Hz and the range of performance counter
+ values.
+
+ If StartValue is not NULL, then the value that the performance counter starts
+ with immediately after is it rolls over is returned in StartValue. If
+ EndValue is not NULL, then the value that the performance counter end with
+ immediately before it rolls over is returned in EndValue. The 64-bit
+ frequency of the performance counter in Hz is always returned. If StartValue
+ is less than EndValue, then the performance counter counts up. If StartValue
+ is greater than EndValue, then the performance counter counts down. For
+ example, a 64-bit free running counter that counts up would have a StartValue
+ of 0 and an EndValue of 0xFFFFFFFFFFFFFFFF. A 24-bit free running counter
+ that counts down would have a StartValue of 0xFFFFFF and an EndValue of 0.
+
+ @param StartValue The value the performance counter starts with when it
+ rolls over.
+ @param EndValue The value that the performance counter ends with before
+ it rolls over.
+
+ @return The frequency in Hz.
+
+**/
+UINT64
+EFIAPI
+GetPerformanceCounterProperties (
+ OUT UINT64 *StartValue, OPTIONAL
+ OUT UINT64 *EndValue OPTIONAL
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/UefiApplicationEntryPoint.h b/MdePkg/Include/Library/UefiApplicationEntryPoint.h new file mode 100644 index 000000000..ff8b5b241 --- /dev/null +++ b/MdePkg/Include/Library/UefiApplicationEntryPoint.h @@ -0,0 +1,129 @@ +/** @file
+ Entry point to a UEFI Application.
+
+Copyright (c) 2007, Intel Corporation<BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __UEFI_APPLICATION_ENTRY_POINT_H__
+#define __UEFI_APPLICATION_ENTRY_POINT_H__
+
+//
+// Declare the EFI/UEFI Specification Revision to which this driver is implemented
+//
+extern const UINT32 _gUefiDriverRevision;
+
+/**
+ Enrty point to UEFI Application.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Enrty point wrapper of UEFI Application.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Invoke the destuctors of all libraries and call gBS->Exit
+ to return control to firmware core.
+
+ @param Status Status returned by the application that is exiting.
+
+ @retval VOID
+
+**/
+VOID
+EFIAPI
+Exit (
+ IN EFI_STATUS Status
+ );
+
+
+/**
+ Call constructors for all libraries. Autogen tool inserts the implementation
+ of this function into Autogen.c.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval VOID
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Call destructors for all libraries. Autogen tool inserts the implementation
+ of this function into Autogen.c.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval VOID
+**/
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Call driver entry point. For UEFI application, user
+ can only specify one entry point. Tool will automatically insert
+ this to Autogen.c.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @return Status returned by entry points specified by
+ the user.
+
+**/
+
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/UefiBootServicesTableLib.h b/MdePkg/Include/Library/UefiBootServicesTableLib.h new file mode 100644 index 000000000..df900a7ec --- /dev/null +++ b/MdePkg/Include/Library/UefiBootServicesTableLib.h @@ -0,0 +1,35 @@ +/** @file
+ Library that provides a global pointer to the UEFI Boot Services Tables
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: UefiBootServicesTableLib.h
+
+**/
+
+#ifndef __UEFI_BOOT_SERVICES_TABLE_LIB_H__
+#define __UEFI_BOOT_SERVICES_TABLE_LIB_H__
+
+//
+// Cache the Image Handle
+//
+extern EFI_HANDLE gImageHandle;
+
+//
+// Cache pointer to the EFI System Table
+//
+extern EFI_SYSTEM_TABLE *gST;
+
+//
+// Cache pointer to the EFI Boot Services Table
+//
+extern EFI_BOOT_SERVICES *gBS;
+
+#endif
diff --git a/MdePkg/Include/Library/UefiDecompressLib.h b/MdePkg/Include/Library/UefiDecompressLib.h new file mode 100644 index 000000000..d08a6eb3a --- /dev/null +++ b/MdePkg/Include/Library/UefiDecompressLib.h @@ -0,0 +1,96 @@ +/** @file
+ Return UEFI Decompress Protocol
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: UefiDecompressLib.h
+
+**/
+
+#ifndef __UEFI_DECPOMPRESS_LIB_H__
+#define __UEFI_DECPOMPRESS_LIB_H__
+
+/**
+ Retrieves the size of the uncompressed buffer and the size of the scratch buffer.
+
+ Retrieves the size of the uncompressed buffer and the temporary scratch buffer
+ required to decompress the buffer specified by Source and SourceSize.
+ If the size of the uncompressed buffer or the size of the scratch buffer cannot
+ be determined from the compressed data specified by Source and SourceData,
+ then RETURN_INVALID_PARAMETER is returned. Otherwise, the size of the uncompressed
+ buffer is returned in DestinationSize, the size of the scratch buffer is returned
+ in ScratchSize, and RETURN_SUCCESS is returned.
+ This function does not have scratch buffer available to perform a thorough
+ checking of the validity of the source data. It just retrieves the "Original Size"
+ field from the beginning bytes of the source data and output it as DestinationSize.
+ And ScratchSize is specific to the decompression implementation.
+
+ If Source is NULL, then ASSERT().
+ If DestinationSize is NULL, then ASSERT().
+ If ScratchSize is NULL, then ASSERT().
+
+ @param Source The source buffer containing the compressed data.
+ @param SourceSize The size, in bytes, of the source buffer.
+ @param DestinationSize A pointer to the size, in bytes, of the uncompressed buffer
+ that will be generated when the compressed buffer specified
+ by Source and SourceSize is decompressed..
+ @param ScratchSize A pointer to the size, in bytes, of the scratch buffer that
+ is required to decompress the compressed buffer specified
+ by Source and SourceSize.
+
+ @retval RETURN_SUCCESS The size of destination buffer and the size of scratch
+ buffer are successull retrieved.
+ @retval RETURN_INVALID_PARAMETER The source data is corrupted
+
+**/
+RETURN_STATUS
+EFIAPI
+UefiDecompressGetInfo (
+ IN CONST VOID *Source,
+ IN UINT32 SourceSize,
+ OUT UINT32 *DestinationSize,
+ OUT UINT32 *ScratchSize
+ );
+
+/**
+ Decompresses a compressed source buffer.
+
+ This function is designed so that the decompression algorithm can be implemented
+ without using any memory services. As a result, this function is not allowed to
+ call any memory allocation services in its implementation. It is the caller's r
+ esponsibility to allocate and free the Destination and Scratch buffers.
+ If the compressed source data specified by Source is sucessfully decompressed
+ into Destination, then RETURN_SUCCESS is returned. If the compressed source data
+ specified by Source is not in a valid compressed data format,
+ then RETURN_INVALID_PARAMETER is returned.
+
+ If Source is NULL, then ASSERT().
+ If Destination is NULL, then ASSERT().
+ If the required scratch buffer size > 0 and Scratch is NULL, then ASSERT().
+
+ @param Source The source buffer containing the compressed data.
+ @param Destination The destination buffer to store the decompressed data
+ @param Scratch A temporary scratch buffer that is used to perform the decompression.
+ This is an optional parameter that may be NULL if the
+ required scratch buffer size is 0.
+
+ @retval RETURN_SUCCESS Decompression is successfull
+ @retval RETURN_INVALID_PARAMETER The source data is corrupted
+
+**/
+RETURN_STATUS
+EFIAPI
+UefiDecompress (
+ IN CONST VOID *Source,
+ IN OUT VOID *Destination,
+ IN OUT VOID *Scratch
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/UefiDriverEntryPoint.h b/MdePkg/Include/Library/UefiDriverEntryPoint.h new file mode 100644 index 000000000..626987673 --- /dev/null +++ b/MdePkg/Include/Library/UefiDriverEntryPoint.h @@ -0,0 +1,154 @@ +/** @file
+ Entry point to a DXE Boot Services Driver
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __MODULE_ENTRY_POINT_H__
+#define __MODULE_ENTRY_POINT_H__
+
+//
+// Declare the EFI/UEFI Specification Revision to which this driver is implemented
+//
+extern const UINT32 _gUefiDriverRevision;
+
+//
+// Declare the number of entry points in the image.
+//
+extern const UINT8 _gDriverEntryPointCount;
+
+//
+// Declare the number of unload handler in the image.
+//
+extern const UINT8 _gDriverUnloadImageCount;
+
+//
+// Declare the arrary of Boot Sevice Exit Event callbacks .
+//
+extern const EFI_EVENT_NOTIFY _gDriverExitBootServicesEvent[];
+
+//
+// Declare the arrary of Virtual Address Change Event callbacks .
+//
+extern const EFI_EVENT_NOTIFY _gDriverSetVirtualAddressMapEvent[];
+
+/**
+ Enrty point to DXE SMM Driver.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Enrty point wrapper of DXE Driver.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Computes the cummulative return status for the driver entry point and perform
+ a long jump back into DriverEntryPoint().
+
+ @param Status Status returned by the driver that is exiting.
+
+**/
+VOID
+EFIAPI
+ExitDriver (
+ IN EFI_STATUS Status
+ );
+
+
+/**
+ Call constructs for all libraries. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Call destructors for all libraries. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Call the list of driver entry points. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @return Status returned by entry points of drivers.
+
+**/
+
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+
+/**
+ Call the unload handlers for all the modules. Automatics Generated by tool.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+
+ @return Status returned by unload handlers of drivers.
+
+**/
+EFI_STATUS
+EFIAPI
+ProcessModuleUnloadList (
+ IN EFI_HANDLE ImageHandle
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/UefiLib.h b/MdePkg/Include/Library/UefiLib.h new file mode 100644 index 000000000..9eaf48cac --- /dev/null +++ b/MdePkg/Include/Library/UefiLib.h @@ -0,0 +1,711 @@ +/** @file
+ MDE UEFI library functions and macros
+
+ Copyright (c) 2006 - 2007, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __UEFI_LIB_H__
+#define __UEFI_LIB_H__
+
+//
+// Unicode String Table
+//
+typedef struct {
+ CHAR8 *Language;
+ CHAR16 *UnicodeString;
+} EFI_UNICODE_STRING_TABLE;
+
+//
+// EFI Lock Status
+//
+typedef enum {
+ EfiLockUninitialized = 0,
+ EfiLockReleased = 1,
+ EfiLockAcquired = 2
+} EFI_LOCK_STATE;
+
+//
+// EFI Lock
+//
+typedef struct {
+ EFI_TPL Tpl;
+ EFI_TPL OwnerTpl;
+ EFI_LOCK_STATE Lock;
+} EFI_LOCK;
+
+
+/**
+ This function searches the list of configuration tables stored in the EFI System
+ Table for a table with a GUID that matches TableGuid. If a match is found,
+ then a pointer to the configuration table is returned in Table, and EFI_SUCCESS
+ is returned. If a matching GUID is not found, then EFI_NOT_FOUND is returned.
+
+ @param TableGuid Pointer to table's GUID type..
+ @param Table Pointer to the table associated with TableGuid in the EFI System Table.
+
+ @retval EFI_SUCCESS A configuration table matching TableGuid was found.
+ @retval EFI_NOT_FOUND A configuration table matching TableGuid could not be found.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiGetSystemConfigurationTable (
+ IN EFI_GUID *TableGuid,
+ OUT VOID **Table
+ );
+
+/**
+ This function causes the notification function to be executed for every protocol
+ of type ProtocolGuid instance that exists in the system when this function is
+ invoked. In addition, every time a protocol of type ProtocolGuid instance is
+ installed or reinstalled, the notification function is also executed.
+
+ @param ProtocolGuid Supplies GUID of the protocol upon whose installation the event is fired.
+ @param NotifyTpl Supplies the task priority level of the event notifications.
+ @param NotifyFunction Supplies the function to notify when the event is signaled.
+ @param NotifyContext The context parameter to pass to NotifyFunction.
+ @param Registration A pointer to a memory location to receive the registration value.
+
+ @return The notification event that was created.
+
+**/
+EFI_EVENT
+EFIAPI
+EfiCreateProtocolNotifyEvent(
+ IN EFI_GUID *ProtocolGuid,
+ IN EFI_TPL NotifyTpl,
+ IN EFI_EVENT_NOTIFY NotifyFunction,
+ IN VOID *NotifyContext, OPTIONAL
+ OUT VOID **Registration
+ );
+
+/**
+ This function creates an event using NotifyTpl, NoifyFunction, and NotifyContext.
+ This event is signaled with EfiNamedEventSignal(). This provide the ability for
+ one or more listeners on the same event named by the GUID specified by Name.
+
+ @param Name Supplies GUID name of the event.
+ @param NotifyTpl Supplies the task priority level of the event notifications.
+ @param NotifyFunction Supplies the function to notify when the event is signaled.
+ @param NotifyContext The context parameter to pass to NotifyFunction.
+ @param Registration A pointer to a memory location to receive the registration value.
+
+ @retval EFI_SUCCESS A named event was created.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resource to create the named event.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiNamedEventListen (
+ IN CONST EFI_GUID *Name,
+ IN EFI_TPL NotifyTpl,
+ IN EFI_EVENT_NOTIFY NotifyFunction,
+ IN CONST VOID *NotifyContext, OPTIONAL
+ OUT VOID *Registration OPTIONAL
+ );
+
+/**
+ This function signals the named event specified by Name. The named event must
+ have been created with EfiNamedEventListen().
+
+ @param Name Supplies GUID name of the event.
+
+ @retval EFI_SUCCESS A named event was signaled.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resource to signal the named event.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiNamedEventSignal (
+ IN CONST EFI_GUID *Name
+ );
+
+/**
+ Returns the current TPL.
+
+ This function returns the current TPL. There is no EFI service to directly
+ retrieve the current TPL. Instead, the RaiseTPL() function is used to raise
+ the TPL to TPL_HIGH_LEVEL. This will return the current TPL. The TPL level
+ can then immediately be restored back to the current TPL level with a call
+ to RestoreTPL().
+
+ @param VOID
+
+ @retvale EFI_TPL The current TPL.
+
+**/
+EFI_TPL
+EFIAPI
+EfiGetCurrentTpl (
+ VOID
+ );
+
+/**
+ This function initializes a basic mutual exclusion lock to the released state
+ and returns the lock. Each lock provides mutual exclusion access at its task
+ priority level. Since there is no preemption or multiprocessor support in EFI,
+ acquiring the lock only consists of raising to the locks TPL.
+
+ @param Lock A pointer to the lock data structure to initialize.
+ @param Priority EFI TPL associated with the lock.
+
+ @return The lock.
+
+**/
+EFI_LOCK *
+EFIAPI
+EfiInitializeLock (
+ IN OUT EFI_LOCK *Lock,
+ IN EFI_TPL Priority
+ );
+
+/**
+ This macro initializes the contents of a basic mutual exclusion lock to the
+ released state. Each lock provides mutual exclusion access at its task
+ priority level. Since there is no preemption or multiprocessor support in EFI,
+ acquiring the lock only consists of raising to the locks TPL.
+
+ @param Lock A pointer to the lock data structure to initialize.
+ @param Priority The task priority level of the lock.
+
+ @return The lock.
+
+**/
+#define EFI_INITIALIZE_LOCK_VARIABLE(Priority) \
+ {Priority, EFI_TPL_APPLICATION, EfiLockReleased }
+
+
+/**
+
+ Macro that calls DebugAssert() if an EFI_LOCK structure is not in the locked state.
+
+ If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set,
+ then this macro evaluates the EFI_LOCK structure specified by Lock. If Lock
+ is not in the locked state, then DebugAssert() is called passing in the source
+ filename, source line number, and Lock.
+
+ If Lock is NULL, then ASSERT().
+
+ @param LockParameter A pointer to the lock to acquire.
+
+**/
+#define ASSERT_LOCKED(LockParameter) \
+ do { \
+ if (DebugAssertEnabled ()) { \
+ ASSERT (LockParameter != NULL); \
+ if ((LockParameter)->Lock != EfiLockAcquired) { \
+ _ASSERT (LockParameter not locked); \
+ } \
+ } \
+ } while (FALSE)
+
+
+/**
+ This function raises the system's current task priority level to the task
+ priority level of the mutual exclusion lock. Then, it places the lock in the
+ acquired state.
+
+ @param Priority The task priority level of the lock.
+
+**/
+VOID
+EFIAPI
+EfiAcquireLock (
+ IN EFI_LOCK *Lock
+ );
+
+/**
+ This function raises the system's current task priority level to the task
+ priority level of the mutual exclusion lock. Then, it attempts to place the
+ lock in the acquired state.
+
+ @param Lock A pointer to the lock to acquire.
+
+ @retval EFI_SUCCESS The lock was acquired.
+ @retval EFI_ACCESS_DENIED The lock could not be acquired because it is already owned.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiAcquireLockOrFail (
+ IN EFI_LOCK *Lock
+ );
+
+/**
+ This function transitions a mutual exclusion lock from the acquired state to
+ the released state, and restores the system's task priority level to its
+ previous level.
+
+ @param Lock A pointer to the lock to release.
+
+**/
+VOID
+EFIAPI
+EfiReleaseLock (
+ IN EFI_LOCK *Lock
+ );
+
+/** + Tests whether a controller handle is being managed by a specific driver. + + This function tests whether the driver specified by DriverBindingHandle is
+ currently managing the controller specified by ControllerHandle. This test
+ is performed by evaluating if the the protocol specified by ProtocolGuid is
+ present on ControllerHandle and is was opened by DriverBindingHandle with an
+ attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
+ If ProtocolGuid is NULL, then ASSERT().
+ + @param ControllerHandle A handle for a controller to test. + @param DriverBindingHandle Specifies the driver binding handle for the + driver. + @param ProtocolGuid Specifies the protocol that the driver specified + by DriverBindingHandle opens in its Start() + function. + + @retval EFI_SUCCESS ControllerHandle is managed by the driver + specifed by DriverBindingHandle. + @retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver + specifed by DriverBindingHandle. + +**/
+EFI_STATUS
+EFIAPI
+EfiTestManagedDevice (
+ IN CONST EFI_HANDLE ControllerHandle,
+ IN CONST EFI_HANDLE DriverBindingHandle,
+ IN CONST EFI_GUID *ProtocolGuid
+ );
+
+/** + Tests whether a child handle is a child device of the controller. + + This function tests whether ChildHandle is one of the children of
+ ControllerHandle. This test is performed by checking to see if the protocol
+ specified by ProtocolGuid is present on ControllerHandle and opened by
+ ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
+ If ProtocolGuid is NULL, then ASSERT().
+ + @param ControllerHandle A handle for a (parent) controller to test. + @param ChildHandle A child handle to test. + @param ConsumsedGuid Supplies the protocol that the child controller + opens on its parent controller. + + @retval EFI_SUCCESS ChildHandle is a child of the ControllerHandle. + @retval EFI_UNSUPPORTED ChildHandle is not a child of the + ControllerHandle. + +**/
+EFI_STATUS
+EFIAPI
+EfiTestChildHandle (
+ IN CONST EFI_HANDLE ControllerHandle,
+ IN CONST EFI_HANDLE ChildHandle,
+ IN CONST EFI_GUID *ProtocolGuid
+ );
+
+/**
+ This function looks up a Unicode string in UnicodeStringTable. If Language is
+ a member of SupportedLanguages and a Unicode string is found in UnicodeStringTable
+ that matches the language code specified by Language, then it is returned in
+ UnicodeString.
+
+ @param Language A pointer to the ISO 639-2 language code for the
+ Unicode string to look up and return.
+ @param SupportedLanguages A pointer to the set of ISO 639-2 language codes
+ that the Unicode string table supports. Language
+ must be a member of this set.
+ @param UnicodeStringTable A pointer to the table of Unicode strings.
+ @param UnicodeString A pointer to the Unicode string from UnicodeStringTable
+ that matches the language specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string that matches the language
+ specified by Language was found
+ in the table of Unicoide strings UnicodeStringTable,
+ and it was returned in UnicodeString.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER UnicodeString is NULL.
+ @retval EFI_UNSUPPORTED SupportedLanguages is NULL.
+ @retval EFI_UNSUPPORTED UnicodeStringTable is NULL.
+ @retval EFI_UNSUPPORTED The language specified by Language is not a
+ member of SupportedLanguages.
+ @retval EFI_UNSUPPORTED The language specified by Language is not
+ supported by UnicodeStringTable.
+
+**/
+EFI_STATUS
+EFIAPI
+LookupUnicodeString (
+ IN CONST CHAR8 *Language,
+ IN CONST CHAR8 *SupportedLanguages,
+ IN CONST EFI_UNICODE_STRING_TABLE *UnicodeStringTable,
+ OUT CHAR16 **UnicodeString
+ );
+
+/**
+ This function adds a Unicode string to UnicodeStringTable.
+ If Language is a member of SupportedLanguages then UnicodeString is added to
+ UnicodeStringTable. New buffers are allocated for both Language and
+ UnicodeString. The contents of Language and UnicodeString are copied into
+ these new buffers. These buffers are automatically freed when
+ FreeUnicodeStringTable() is called.
+
+ @param Language A pointer to the ISO 639-2 language code for the Unicode
+ string to add.
+ @param SupportedLanguages A pointer to the set of ISO 639-2 language codes
+ that the Unicode string table supports.
+ Language must be a member of this set.
+ @param UnicodeStringTable A pointer to the table of Unicode strings.
+ @param UnicodeString A pointer to the Unicode string to add.
+
+ @retval EFI_SUCCESS The Unicode string that matches the language
+ specified by Language was found in the table of
+ Unicode strings UnicodeStringTable, and it was
+ returned in UnicodeString.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER UnicodeString is NULL.
+ @retval EFI_INVALID_PARAMETER UnicodeString is an empty string.
+ @retval EFI_UNSUPPORTED SupportedLanguages is NULL.
+ @retval EFI_ALREADY_STARTED A Unicode string with language Language is
+ already present in UnicodeStringTable.
+ @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another
+ Unicode string to UnicodeStringTable.
+ @retval EFI_UNSUPPORTED The language specified by Language is not a
+ member of SupportedLanguages.
+
+**/
+EFI_STATUS
+EFIAPI
+AddUnicodeString (
+ IN CONST CHAR8 *Language,
+ IN CONST CHAR8 *SupportedLanguages,
+ IN EFI_UNICODE_STRING_TABLE **UnicodeStringTable,
+ IN CONST CHAR16 *UnicodeString
+ );
+
+/**
+ This function frees the table of Unicode strings in UnicodeStringTable.
+ If UnicodeStringTable is NULL, then EFI_SUCCESS is returned.
+ Otherwise, each language code, and each Unicode string in the Unicode string
+ table are freed, and EFI_SUCCESS is returned.
+
+ @param UnicodeStringTable A pointer to the table of Unicode strings.
+
+ @retval EFI_SUCCESS The Unicode string table was freed.
+
+**/
+EFI_STATUS
+EFIAPI
+FreeUnicodeStringTable (
+ IN EFI_UNICODE_STRING_TABLE *UnicodeStringTable
+ );
+
+/**
+ This function computes and returns the width of the Unicode character
+ specified by UnicodeChar.
+
+ @param UnicodeChar A Unicode character.
+
+ @retval 0 The width if UnicodeChar could not be determined.
+ @retval 1 UnicodeChar is a narrow glyph.
+ @retval 2 UnicodeChar is a wide glyph.
+
+**/
+UINTN
+EFIAPI
+GetGlyphWidth (
+ IN CHAR16 UnicodeChar
+ );
+
+/**
+ This function computes and returns the display length of
+ the Null-terminated Unicode string specified by String.
+ If String is NULL, then 0 is returned.
+ If any of the widths of the Unicode characters in String
+ can not be determined, then 0 is returned.
+
+ @param String A pointer to a Null-terminated Unicode string.
+
+ @return The display length of the Null-terminated Unicode string specified by String.
+
+**/
+UINTN
+EFIAPI
+UnicodeStringDisplayLength (
+ IN CONST CHAR16 *String
+ );
+
+//
+// Functions that abstract early Framework contamination of UEFI.
+//
+/**
+ Signal a Ready to Boot Event.
+
+ Create a Ready to Boot Event. Signal it and close it. This causes other
+ events of the same event group to be signaled in other modules.
+
+**/
+VOID
+EFIAPI
+EfiSignalEventReadyToBoot (
+ VOID
+ );
+
+/**
+ Signal a Legacy Boot Event.
+
+ Create a legacy Boot Event. Signal it and close it. This causes other
+ events of the same event group to be signaled in other modules.
+
+**/
+VOID
+EFIAPI
+EfiSignalEventLegacyBoot (
+ VOID
+ );
+
+/**
+ Create a Legacy Boot Event.
+
+ Tiano extended the CreateEvent Type enum to add a legacy boot event type.
+ This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was
+ added and now it's possible to not voilate the UEFI specification by
+ declaring a GUID for the legacy boot event class. This library supports
+ the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to
+ work both ways.
+
+ @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).
+
+ @retval EFI_SUCCESS Event was created.
+ @retval Other Event was not created.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiCreateEventLegacyBoot (
+ OUT EFI_EVENT *LegacyBootEvent
+ );
+
+/**
+ Create an EFI event in the Legacy Boot Event Group and allows
+ the caller to specify a notification function.
+
+ This function abstracts the creation of the Legacy Boot Event.
+ The Framework moved from a proprietary to UEFI 2.0 based mechanism.
+ This library abstracts the caller from how this event is created to prevent
+ to code form having to change with the version of the specification supported.
+ If LegacyBootEvent is NULL, then ASSERT().
+
+ @param NotifyTpl The task priority level of the event.
+ @param NotifyFunction The notification function to call when the event is signaled.
+ @param NotifyContext The content to pass to NotifyFunction when the event is signaled.
+ @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).
+
+ @retval EFI_SUCCESS Event was created.
+ @retval Other Event was not created.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiCreateEventLegacyBootEx (
+ IN EFI_TPL NotifyTpl,
+ IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL
+ IN VOID *NotifyContext, OPTIONAL
+ OUT EFI_EVENT *LegacyBootEvent
+ );
+
+/**
+ Create a Read to Boot Event.
+
+ Tiano extended the CreateEvent Type enum to add a ready to boot event type.
+ This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was
+ added and now it's possible to not voilate the UEFI specification and use
+ the ready to boot event class defined in UEFI 2.0. This library supports
+ the EDK/EFI 1.10 form and EDKII/UEFI 2.0 form and allows common code to
+ work both ways.
+
+ @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).
+
+ @retval EFI_SUCCESS Event was created.
+ @retval Other Event was not created.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiCreateEventReadyToBoot (
+ OUT EFI_EVENT *ReadyToBootEvent
+ );
+
+/**
+ Create an EFI event in the Ready To Boot Event Group and allows
+ the caller to specify a notification function.
+
+ This function abstracts the creation of the Ready to Boot Event.
+ The Framework moved from a proprietary to UEFI 2.0 based mechanism.
+ This library abstracts the caller from how this event is created to prevent
+ to code form having to change with the version of the specification supported.
+ If ReadyToBootEvent is NULL, then ASSERT().
+
+ @param NotifyTpl The task priority level of the event.
+ @param NotifyFunction The notification function to call when the event is signaled.
+ @param NotifyContext The content to pass to NotifyFunction when the event is signaled.
+ @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).
+
+ @retval EFI_SUCCESS Event was created.
+ @retval Other Event was not created.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiCreateEventReadyToBootEx (
+ IN EFI_TPL NotifyTpl,
+ IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL
+ IN VOID *NotifyContext, OPTIONAL
+ OUT EFI_EVENT *ReadyToBootEvent
+ );
+
+/**
+ Initialize a Firmware Volume (FV) Media Device Path node.
+
+ Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum
+ so as we move to UEFI 2.0 support we must use a mechanism that conforms with
+ the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed
+ device path is defined for Tiano extensions of device path. If the code
+ is compiled to conform with the UEFI 2.0 specification use the new device path
+ else use the old form for backwards compatability.
+
+ @param FvDevicePathNode Pointer to a FV device path node to initialize
+ @param NameGuid FV file name to use in FvDevicePathNode
+
+**/
+VOID
+EFIAPI
+EfiInitializeFwVolDevicepathNode (
+ IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode,
+ IN CONST EFI_GUID *NameGuid
+ );
+
+/**
+ Check to see if the Firmware Volume (FV) Media Device Path is valid
+
+ Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum
+ so as we move to UEFI 2.0 support we must use a mechanism that conforms with
+ the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed
+ device path is defined for Tiano extensions of device path. If the code
+ is compiled to conform with the UEFI 2.0 specification use the new device path
+ else use the old form for backwards compatability. The return value to this
+ function points to a location in FvDevicePathNode and it does not allocate
+ new memory for the GUID pointer that is returned.
+
+ @param FvDevicePathNode Pointer to FV device path to check.
+
+ @retval NULL FvDevicePathNode is not valid.
+ @retval Other FvDevicePathNode is valid and pointer to NameGuid was returned.
+
+**/
+EFI_GUID *
+EFIAPI
+EfiGetNameGuidFromFwVolDevicePathNode (
+ IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode
+ );
+
+/**
+ Prints a formatted Unicode string to the console output device specified by
+ ConOut defined in the EFI_SYSTEM_TABLE.
+
+ This function prints a formatted Unicode string to the console output device
+ specified by ConOut in EFI_SYSTEM_TABLE and returns the number of Unicode
+ characters that printed to ConOut. If the length of the formatted Unicode
+ string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
+ PcdUefiLibMaxPrintBufferSize characters are sent to ConOut.
+
+ @param Format Null-terminated Unicode format string.
+ @param ... VARARG list consumed to process Format.
+ If Format is NULL, then ASSERT().
+ If Format is not aligned on a 16-bit boundary, then ASSERT().
+
+**/
+UINTN
+EFIAPI
+Print (
+ IN CONST CHAR16 *Format,
+ ...
+ );
+
+/**
+ Prints a formatted Unicode string to the console output device specified by
+ StdErr defined in the EFI_SYSTEM_TABLE.
+
+ This function prints a formatted Unicode string to the console output device
+ specified by StdErr in EFI_SYSTEM_TABLE and returns the number of Unicode
+ characters that printed to StdErr. If the length of the formatted Unicode
+ string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
+ PcdUefiLibMaxPrintBufferSize characters are sent to StdErr.
+
+ @param Format Null-terminated Unicode format string.
+ @param ... VARARG list consumed to process Format.
+ If Format is NULL, then ASSERT().
+ If Format is not aligned on a 16-bit boundary, then ASSERT().
+
+**/
+UINTN
+EFIAPI
+ErrorPrint (
+ IN CONST CHAR16 *Format,
+ ...
+ );
+
+/**
+ Prints a formatted ASCII string to the console output device specified by
+ ConOut defined in the EFI_SYSTEM_TABLE.
+
+ This function prints a formatted ASCII string to the console output device
+ specified by ConOut in EFI_SYSTEM_TABLE and returns the number of ASCII
+ characters that printed to ConOut. If the length of the formatted ASCII
+ string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
+ PcdUefiLibMaxPrintBufferSize characters are sent to ConOut.
+
+ @param Format Null-terminated ASCII format string.
+ @param ... VARARG list consumed to process Format.
+ If Format is NULL, then ASSERT().
+ If Format is not aligned on a 16-bit boundary, then ASSERT().
+
+**/
+UINTN
+EFIAPI
+AsciiPrint (
+ IN CONST CHAR8 *Format,
+ ...
+ );
+
+/**
+ Prints a formatted ASCII string to the console output device specified by
+ StdErr defined in the EFI_SYSTEM_TABLE.
+
+ This function prints a formatted ASCII string to the console output device
+ specified by StdErr in EFI_SYSTEM_TABLE and returns the number of ASCII
+ characters that printed to StdErr. If the length of the formatted ASCII
+ string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
+ PcdUefiLibMaxPrintBufferSize characters are sent to StdErr.
+
+ @param Format Null-terminated ASCII format string.
+ @param ... VARARG list consumed to process Format.
+ If Format is NULL, then ASSERT().
+ If Format is not aligned on a 16-bit boundary, then ASSERT().
+
+**/
+UINTN
+EFIAPI
+AsciiErrorPrint (
+ IN CONST CHAR8 *Format,
+ ...
+ );
+
+#endif
diff --git a/MdePkg/Include/Library/UefiRuntimeLib.h b/MdePkg/Include/Library/UefiRuntimeLib.h new file mode 100644 index 000000000..b1d6af43d --- /dev/null +++ b/MdePkg/Include/Library/UefiRuntimeLib.h @@ -0,0 +1,430 @@ +/** @file
+ Library to abstract runtime services
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: UefiRuntimeLib.h
+
+**/
+
+#ifndef __UEFI_RUNTIME_LIB__
+#define __UEFI_RUNTIME_LIB__
+
+
+extern const EFI_EVENT_NOTIFY _gDriverExitBootServicesEvent[];
+
+extern const EFI_EVENT_NOTIFY _gDriverSetVirtualAddressMapEvent[];
+
+/**
+ Check to see if the execute context is in Runtime phase or not.
+
+ @param None.
+
+ @retval TRUE The driver is in SMM.
+ @retval FALSE The driver is not in SMM.
+
+**/
+BOOLEAN
+EFIAPI
+EfiAtRuntime (
+ VOID
+ );
+
+/**
+ Check to see if the SetVirtualAddressMsp() is invoked or not.
+
+ @retval TRUE SetVirtualAddressMsp() has been called.
+ @retval FALSE SetVirtualAddressMsp() has not been called.
+
+**/
+BOOLEAN
+EFIAPI
+EfiGoneVirtual (
+ VOID
+ );
+
+/**
+ Return current time and date information, and time-keeping
+ capabilities of hardware platform.
+
+ @param Time A pointer to storage to receive a snapshot of the current time.
+ @param Capabilities An optional pointer to a buffer to receive the real time clock device's
+ capabilities.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiGetTime (
+ OUT EFI_TIME *Time,
+ OUT EFI_TIME_CAPABILITIES *Capabilities
+ );
+
+/**
+ Set current time and date information.
+
+ @param Time A pointer to cache of time setting.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to execute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiSetTime (
+ IN EFI_TIME *Time
+ );
+
+/**
+ Return current wakeup alarm clock setting.
+
+ @param Enabled Indicate if the alarm clock is enabled or disabled.
+ @param Pending Indicate if the alarm signal is pending and requires acknowledgement.
+ @param Time Current alarm clock setting.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiGetWakeupTime (
+ OUT BOOLEAN *Enabled,
+ OUT BOOLEAN *Pending,
+ OUT EFI_TIME *Time
+ );
+
+/**
+ Set current wakeup alarm clock.
+
+ @param Enable Enable or disable current alarm clock..
+ @param Time Point to alarm clock setting.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiSetWakeupTime (
+ IN BOOLEAN Enable,
+ IN EFI_TIME *Time
+ );
+
+/**
+ Return value of variable.
+
+ @param VariableName the name of the vendor's variable, it's a
+ Null-Terminated Unicode String
+ @param VendorGuid Unify identifier for vendor.
+ @param Attributes Point to memory location to return the attributes of variable. If the point
+ is NULL, the parameter would be ignored.
+ @param DataSize As input, point to the maxinum size of return Data-Buffer.
+ As output, point to the actual size of the returned Data-Buffer.
+ @param Data Point to return Data-Buffer.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiGetVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ OUT UINT32 *Attributes,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data
+ )
+;
+
+/**
+ Enumerates variable's name.
+
+ @param VariableNameSize As input, point to maxinum size of variable name.
+ As output, point to actual size of varaible name.
+ @param VariableName As input, supplies the last VariableName that was returned by
+ GetNextVariableName().
+ As output, returns the name of variable. The name
+ string is Null-Terminated Unicode string.
+ @param VendorGuid As input, supplies the last VendorGuid that was returned by
+ GetNextVriableName().
+ As output, returns the VendorGuid of the current variable.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiGetNextVariableName (
+ IN OUT UINTN *VariableNameSize,
+ IN OUT CHAR16 *VariableName,
+ IN OUT EFI_GUID *VendorGuid
+ );
+
+/**
+ Sets value of variable.
+
+ @param VariableName the name of the vendor's variable, it's a
+ Null-Terminated Unicode String
+ @param VendorGuid Unify identifier for vendor.
+ @param Attributes Point to memory location to return the attributes of variable. If the point
+ is NULL, the parameter would be ignored.
+ @param DataSize The size in bytes of Data-Buffer.
+ @param Data Point to the content of the variable.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiSetVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 Attributes,
+ IN UINTN DataSize,
+ IN VOID *Data
+ );
+
+/**
+ Returns the next high 32 bits of platform's monotonic counter.
+
+ @param HighCount Pointer to returned value.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiGetNextHighMonotonicCount (
+ OUT UINT32 *HighCount
+ );
+
+/**
+ Resets the entire platform.
+
+ @param ResetType The type of reset to perform.
+ @param ResetStatus The status code for reset.
+ @param DataSize The size in bytes of reset data.
+ @param ResetData Pointer to data buffer that includes
+ Null-Terminated Unicode string.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+VOID
+EfiResetSystem (
+ IN EFI_RESET_TYPE ResetType,
+ IN EFI_STATUS ResetStatus,
+ IN UINTN DataSize,
+ IN CHAR16 *ResetData
+ );
+
+/**
+ Determines the new virtual address that is to be used on subsequent memory accesses.
+
+ @param DebugDisposition Supplies type information for the pointer being converted.
+ @param Address The pointer to a pointer that is to be fixed to be the
+ value needed for the new virtual address mapping being
+ applied.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiConvertPointer (
+ IN UINTN DebugDisposition,
+ IN OUT VOID **Address
+ );
+
+
+/**
+ Change the runtime addressing mode of EFI firmware from physical to virtual.
+
+ @param MemoryMapSize The size in bytes of VirtualMap.
+ @param DescriptorSize The size in bytes of an entry in the VirtualMap.
+ @param DescriptorVersion The version of the structure entries in VirtualMap.
+ @param VirtualMap An array of memory descriptors which contain new virtual
+ address mapping information for all runtime ranges. Type
+ EFI_MEMORY_DESCRIPTOR is defined in the
+ GetMemoryMap() function description.
+
+ @retval EFI_SUCCESS The virtual address map has been applied.
+ @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in
+ virtual address mapped mode.
+ @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is
+ invalid.
+ @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory
+ map that requires a mapping.
+ @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found
+ in the memory map.
+**/
+EFI_STATUS
+EFIAPI
+EfiSetVirtualAddressMap (
+ IN UINTN MemoryMapSize,
+ IN UINTN DescriptorSize,
+ IN UINT32 DescriptorVersion,
+ IN CONST EFI_MEMORY_DESCRIPTOR *VirtualMap
+ );
+
+
+/**
+ Conver the standard Lib double linked list to a virtual mapping.
+
+ @param DebugDisposition Supplies type information for the pointer being converted.
+ @param ListHead Head of linked list to convert.
+
+ @retval EFI_SUCCESS Success to execute the function.
+ @retval !EFI_SUCCESS Failed to e3xecute the function.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiConvertList (
+ IN UINTN DebugDisposition,
+ IN OUT LIST_ENTRY *ListHead
+ );
+
+/**
+
+ Passes capsules to the firmware with both virtual and physical mapping.
+ Depending on the intended consumption, the firmware may
+ process the capsule immediately. If the payload should persist across a
+ system reset, the reset value returned from EFI_QueryCapsuleCapabilities must
+ be passed into ResetSystem() and will cause the capsule to be processed by
+ the firmware as part of the reset process.
+
+ @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules
+ being passed into update capsule. Each capsules is assumed to
+ stored in contiguous virtual memory. The capsules in the
+ CapsuleHeaderArray must be the same capsules as the
+ ScatterGatherList. The CapsuleHeaderArray must
+ have the capsules in the same order as the ScatterGatherList.
+ @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in
+ CaspuleHeaderArray.
+ @param ScatterGatherList Physical pointer to a set of
+ EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the
+ location in physical memory of a set of capsules. See Related
+ Definitions for an explanation of how more than one capsule is
+ passed via this interface. The capsules in the
+ ScatterGatherList must be in the same order as the
+ CapsuleHeaderArray. This parameter is only referenced if
+ the capsules are defined to persist across system reset.
+
+ @retval EFI_SUCCESS Valid capsule was passed. I Valid capsule was passed. If
+ CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the
+ capsule has been successfully processed by the firmware.
+ @retval EFI_INVALID_PARAMETER CapsuleSize is NULL or ResetTye is NULL.
+ @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiUpdateCapsule (
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ IN EFI_PHYSICAL_ADDRESS ScatterGatherList
+ );
+
+
+/**
+
+ The QueryCapsuleCapabilities() function allows a caller to test to see if a capsule or
+ capsules can be updated via UpdateCapsule(). The Flags values in the capsule header and
+ size of the entire capsule is checked.
+ If the caller needs to query for generic capsule capability a fake EFI_CAPSULE_HEADER can be
+ constructed where CapsuleImageSize is equal to HeaderSize that is equal to sizeof
+ (EFI_CAPSULE_HEADER). To determine reset requirements,
+ CAPSULE_FLAGS_PERSIST_ACROSS_RESET should be set in the Flags field of the
+ EFI_CAPSULE_HEADER.
+ The firmware must support any capsule that has the
+ CAPSULE_FLAGS_PERSIST_ACROSS_RESET flag set in EFI_CAPSULE_HEADER. The
+ firmware sets the policy for what capsules are supported that do not have the
+ CAPSULE_FLAGS_PERSIST_ACROSS_RESET flag set.
+
+ @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules
+ being passed into update capsule. The capsules are assumed to
+ stored in contiguous virtual memory.
+ @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in
+ CaspuleHeaderArray.
+ @param MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can
+ support as an argument to UpdateCapsule() via
+ CapsuleHeaderArray and ScatterGatherList.
+ Undefined on input.
+ @param ResetType Returns the type of reset required for the capsule update.
+
+ @retval EFI_SUCCESS Valid answer returned..
+ @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.
+ @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and
+ MaximumCapsuleSize and ResetType are undefined.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiQueryCapsuleCapabilities (
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ OUT UINT64 *MaximumCapsuleSize,
+ OUT EFI_RESET_TYPE *ResetType
+ );
+
+
+/**
+
+ The QueryVariableInfo() function allows a caller to obtain the information about the
+ maximum size of the storage space available for the EFI variables, the remaining size of the storage
+ space available for the EFI variables and the maximum size of each individual EFI variable,
+ associated with the attributes specified.
+ The returned MaximumVariableStorageSize, RemainingVariableStorageSize,
+ MaximumVariableSize information may change immediately after the call based on other
+ runtime activities including asynchronous error events. Also, these values associated with different
+ attributes are not additive in nature.
+
+ @param Attributes Attributes bitmask to specify the type of variables on
+ which to return information. Refer to the
+ GetVariable() function description.
+ @param MaximumVariableStorageSize
+ On output the maximum size of the storage space
+ available for the EFI variables associated with the
+ attributes specified.
+ @param RemainingVariableStorageSize
+ Returns the remaining size of the storage space
+ available for the EFI variables associated with the
+ attributes specified..
+ @param MaximumVariableSize Returns the maximum size of the individual EFI
+ variables associated with the attributes specified.
+
+ @retval EFI_SUCCESS Valid answer returned.
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied.
+ @retval EFI_UNSUPPORTED EFI_UNSUPPORTED The attribute is not supported on this platform, and the
+ MaximumVariableStorageSize,
+ RemainingVariableStorageSize, MaximumVariableSize
+ are undefined.
+**/
+EFI_STATUS
+EFIAPI
+EfiQueryVariableInfo (
+ IN UINT32 Attrubutes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize
+ );
+
+#endif
+
diff --git a/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h b/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h new file mode 100644 index 000000000..4f1ce3a1f --- /dev/null +++ b/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h @@ -0,0 +1,25 @@ +/** @file
+ Library that provides a global pointer to the UEFI Runtime Services Tables
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: UefiRuntimeServicesTableLib.h
+
+**/
+
+#ifndef __UEFI_RUNTIME_SERVICES_TABLE_LIB_H__
+#define __UEFI_RUNTIME_SERVICES_TABLE_LIB_H__
+
+//
+// Cached copy of the EFI Runtime Services Table
+//
+extern EFI_RUNTIME_SERVICES *gRT;
+
+#endif
diff --git a/MdePkg/Include/Library/UsbLib.h b/MdePkg/Include/Library/UsbLib.h new file mode 100644 index 000000000..005e045aa --- /dev/null +++ b/MdePkg/Include/Library/UsbLib.h @@ -0,0 +1,373 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name:
+
+ UsbDxeLib.h
+
+ Abstract:
+
+ Common Dxe Libarary for USB
+ Add Constants & structure definitions for Usb HID
+
+ Revision History
+
+--*/
+
+#ifndef _USB_DXE_LIB_H
+#define _USB_DXE_LIB_H
+
+//
+// define the timeout time as 3ms
+//
+#define TIMEOUT_VALUE 3 * 1000
+
+//
+// HID constants definition, see HID rev1.0
+//
+//
+// HID report item format
+//
+#define HID_ITEM_FORMAT_SHORT 0
+#define HID_ITEM_FORMAT_LONG 1
+
+//
+// Special tag indicating long items
+//
+#define HID_ITEM_TAG_LONG 15
+
+//
+// HID report descriptor item type (prefix bit 2,3)
+//
+#define HID_ITEM_TYPE_MAIN 0
+#define HID_ITEM_TYPE_GLOBAL 1
+#define HID_ITEM_TYPE_LOCAL 2
+#define HID_ITEM_TYPE_RESERVED 3
+
+//
+// HID report descriptor main item tags
+//
+#define HID_MAIN_ITEM_TAG_INPUT 8
+#define HID_MAIN_ITEM_TAG_OUTPUT 9
+#define HID_MAIN_ITEM_TAG_FEATURE 11
+#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
+#define HID_MAIN_ITEM_TAG_END_COLLECTION 12
+
+//
+// HID report descriptor main item contents
+//
+#define HID_MAIN_ITEM_CONSTANT 0x001
+#define HID_MAIN_ITEM_VARIABLE 0x002
+#define HID_MAIN_ITEM_RELATIVE 0x004
+#define HID_MAIN_ITEM_WRAP 0x008
+#define HID_MAIN_ITEM_NONLINEAR 0x010
+#define HID_MAIN_ITEM_NO_PREFERRED 0x020
+#define HID_MAIN_ITEM_NULL_STATE 0x040
+#define HID_MAIN_ITEM_VOLATILE 0x080
+#define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
+
+//
+// HID report descriptor collection item types
+//
+#define HID_COLLECTION_PHYSICAL 0
+#define HID_COLLECTION_APPLICATION 1
+#define HID_COLLECTION_LOGICAL 2
+
+//
+// HID report descriptor global item tags
+//
+#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
+#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
+#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
+#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
+#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
+#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
+#define HID_GLOBAL_ITEM_TAG_UNIT 6
+#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
+#define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
+#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
+#define HID_GLOBAL_ITEM_TAG_PUSH 10
+#define HID_GLOBAL_ITEM_TAG_POP 11
+
+//
+// HID report descriptor local item tags
+//
+#define HID_LOCAL_ITEM_TAG_USAGE 0
+#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
+#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
+#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
+#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
+#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
+#define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
+#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
+#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
+#define HID_LOCAL_ITEM_TAG_DELIMITER 10
+
+//
+// HID usage tables
+//
+#define HID_USAGE_PAGE 0xffff0000
+
+#define HID_UP_GENDESK 0x00010000
+#define HID_UP_KEYBOARD 0x00070000
+#define HID_UP_LED 0x00080000
+#define HID_UP_BUTTON 0x00090000
+#define HID_UP_CONSUMER 0x000c0000
+#define HID_UP_DIGITIZER 0x000d0000
+#define HID_UP_PID 0x000f0000
+
+#define HID_USAGE 0x0000ffff
+
+#define HID_GD_POINTER 0x00010001
+#define HID_GD_MOUSE 0x00010002
+#define HID_GD_JOYSTICK 0x00010004
+#define HID_GD_GAMEPAD 0x00010005
+#define HID_GD_HATSWITCH 0x00010039
+
+//
+// HID report types
+//
+#define HID_INPUT_REPORT 1
+#define HID_OUTPUT_REPORT 2
+#define HID_FEATURE_REPORT 3
+
+//
+// HID device quirks.
+//
+#define HID_QUIRK_INVERT 0x01
+#define HID_QUIRK_NOTOUCH 0x02
+
+//
+// HID class protocol request
+//
+#define EFI_USB_GET_REPORT_REQUEST 0x01
+#define EFI_USB_GET_IDLE_REQUEST 0x02
+#define EFI_USB_GET_PROTOCOL_REQUEST 0x03
+#define EFI_USB_SET_REPORT_REQUEST 0x09
+#define EFI_USB_SET_IDLE_REQUEST 0x0a
+#define EFI_USB_SET_PROTOCOL_REQUEST 0x0b
+
+#pragma pack(1)
+//
+// Descriptor header for Report/Physical Descriptors
+//
+typedef struct hid_class_descriptor {
+ UINT8 DescriptorType;
+ UINT16 DescriptorLength;
+} EFI_USB_HID_CLASS_DESCRIPTOR;
+
+typedef struct hid_descriptor {
+ UINT8 Length;
+ UINT8 DescriptorType;
+ UINT16 BcdHID;
+ UINT8 CountryCode;
+ UINT8 NumDescriptors;
+ EFI_USB_HID_CLASS_DESCRIPTOR HidClassDesc[1];
+} EFI_USB_HID_DESCRIPTOR;
+
+#pragma pack()
+
+EFI_STATUS
+UsbGetHidDescriptor (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 InterfaceNum,
+ OUT EFI_USB_HID_DESCRIPTOR *HidDescriptor
+ );
+
+EFI_STATUS
+UsbGetReportDescriptor (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 InterfaceNum,
+ IN UINT16 DescriptorSize,
+ OUT UINT8 *DescriptorBuffer
+ );
+
+EFI_STATUS
+UsbGetProtocolRequest (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 Interface,
+ IN UINT8 *Protocol
+ );
+
+EFI_STATUS
+UsbSetProtocolRequest (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 Interface,
+ IN UINT8 Protocol
+ );
+
+EFI_STATUS
+UsbSetIdleRequest (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 Interface,
+ IN UINT8 ReportId,
+ IN UINT8 Duration
+ );
+
+EFI_STATUS
+UsbGetIdleRequest (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 Interface,
+ IN UINT8 ReportId,
+ OUT UINT8 *Duration
+ );
+
+EFI_STATUS
+UsbSetReportRequest (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 Interface,
+ IN UINT8 ReportId,
+ IN UINT8 ReportType,
+ IN UINT16 ReportLen,
+ IN UINT8 *Report
+ );
+
+EFI_STATUS
+UsbGetReportRequest (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 Interface,
+ IN UINT8 ReportId,
+ IN UINT8 ReportType,
+ IN UINT16 ReportLen,
+ IN UINT8 *Report
+ );
+
+//
+// Get Device Descriptor
+//
+EFI_STATUS
+UsbGetDescriptor (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT16 Value,
+ IN UINT16 Index,
+ IN UINT16 DescriptorLength,
+ OUT VOID *Descriptor,
+ OUT UINT32 *Status
+ );
+
+//
+// Set Device Descriptor
+//
+EFI_STATUS
+UsbSetDescriptor (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT16 Value,
+ IN UINT16 Index,
+ IN UINT16 DescriptorLength,
+ IN VOID *Descriptor,
+ OUT UINT32 *Status
+ );
+
+//
+// Get device Interface
+//
+EFI_STATUS
+UsbGetDeviceInterface (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT16 Index,
+ OUT UINT8 *AltSetting,
+ OUT UINT32 *Status
+ );
+
+//
+// Set device interface
+//
+EFI_STATUS
+UsbSetDeviceInterface (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT16 InterfaceNo,
+ IN UINT16 AltSetting,
+ OUT UINT32 *Status
+ );
+
+//
+// Get device configuration
+//
+EFI_STATUS
+UsbGetDeviceConfiguration (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ OUT UINT8 *ConfigValue,
+ OUT UINT32 *Status
+ );
+
+//
+// Set device configuration
+//
+EFI_STATUS
+UsbSetDeviceConfiguration (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT16 Value,
+ OUT UINT32 *Status
+ );
+
+//
+// Set Device Feature
+//
+EFI_STATUS
+UsbSetDeviceFeature (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN EFI_USB_RECIPIENT Recipient,
+ IN UINT16 Value,
+ IN UINT16 Target,
+ OUT UINT32 *Status
+ );
+
+//
+// Clear Device Feature
+//
+EFI_STATUS
+UsbClearDeviceFeature (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN EFI_USB_RECIPIENT Recipient,
+ IN UINT16 Value,
+ IN UINT16 Target,
+ OUT UINT32 *Status
+ );
+
+//
+// Get Device Status
+//
+EFI_STATUS
+UsbGetDeviceStatus (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN EFI_USB_RECIPIENT Recipient,
+ IN UINT16 Target,
+ OUT UINT16 *DevStatus,
+ OUT UINT32 *Status
+ );
+
+//
+// The following APIs are not basic library, but they are common used.
+//
+//
+// Usb Get String
+//
+EFI_STATUS
+UsbGetString (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT16 LangID,
+ IN UINT8 Index,
+ IN VOID *Buf,
+ IN UINTN BufSize,
+ OUT UINT32 *Status
+ );
+
+//
+// Clear endpoint stall
+//
+EFI_STATUS
+UsbClearEndpointHalt (
+ IN EFI_USB_IO_PROTOCOL *UsbIo,
+ IN UINT8 EndpointNo,
+ OUT UINT32 *Status
+ );
+
+#endif
diff --git a/MdePkg/Include/Pi/PiPeiCis.h b/MdePkg/Include/Pi/PiPeiCis.h index 8b82225c4..e2e4299e3 100644 --- a/MdePkg/Include/Pi/PiPeiCis.h +++ b/MdePkg/Include/Pi/PiPeiCis.h @@ -41,6 +41,7 @@ typedef struct _EFI_PEI_NOTIFY_DESCRIPTOR EFI_PEI_NOTIFY_DESCRIPTOR; #include <Ppi/CpuIo.h>
#include <Ppi/PciCfg2.h>
+
/**
The PEI Dispatcher will invoke each PEIM one time. During this pass, the PEI
Dispatcher will pass control to the PEIM at the AddressOfEntryPoint in the PE Header.
@@ -802,4 +803,48 @@ typedef struct _EFI_SEC_PEI_HAND_OFF { UINTN StackSize;
} EFI_SEC_PEI_HAND_OFF;
+
+/**
+
+ This function is the entry point for the PEI Foundation, which
+ allows the SEC phase to pass information about the stack,
+ temporary RAM and the Boot Firmware Volume. In addition, it also
+ allows the SEC phase to pass services and data forward for use
+ during the PEI phase in the form of one or more PPIs. There is
+ no limit to the number of additional PPIs that can be passed
+ from SEC into the PEI Foundation. As part of its initialization
+ phase, the PEI Foundation will add these SEC-hosted PPIs to its
+ PPI database such that both the PEI Foundation and any modules
+ can leverage the associated service calls and/or code in these
+ early PPIs.
+
+ @param SecCoreData Points to a data structure containing
+ information about the PEI core's
+ operating environment, such as the size
+ and location of temporary RAM, the stack
+ location and the BFV location. The type
+ EFI_SEC_PEI_HAND_OFF is
+
+ @param PpiList Points to a list of one or more PPI
+ descriptors to be installed initially by
+ the PEI core. An empty PPI list consists
+ of a single descriptor with the end-tag
+ EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
+ As part of its initialization phase, the
+ PEI Foundation will add these SEC-hosted
+ PPIs to its PPI database such that both
+ the PEI Foundation and any modules can
+ leverage the associated service calls
+ and/or code in these early PPIs.
+
+
+**/
+typedef
+VOID
+EFIAPI
+(*EFI_PEI_CORE_ENTRY_POINT)(
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList
+);
+
#endif
|