diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/Library/BiosIdLib/BiosIdLib.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/Library/BiosIdLib/BiosIdLib.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Library/BiosIdLib/BiosIdLib.c b/Vlv2TbltDevicePkg/Library/BiosIdLib/BiosIdLib.c new file mode 100644 index 000000000..01897b347 --- /dev/null +++ b/Vlv2TbltDevicePkg/Library/BiosIdLib/BiosIdLib.c @@ -0,0 +1,342 @@ +/*++
+
+Copyright (c) 2011 - 2014, 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 that 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:
+
+ BiosIdLib.c
+
+Abstract:
+
+ Boot service DXE BIOS ID library implementation.
+
+ These functions in this file can be called during DXE and cannot be called during runtime
+ or in SMM which should use a RT or SMM library.
+
+--*/
+
+#include <PiDxe.h>
+#include <Library/BaseLib.h>
+#include <Library/HobLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+
+#include <Library/BiosIdLib.h>
+#include <Guid/BiosId.h>
+#include <Protocol/FirmwareVolume2.h>
+#include <Protocol/LoadedImage.h>
+
+
+EFI_STATUS
+GetImageFromFv (
+ IN EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv,
+ IN EFI_GUID *NameGuid,
+ IN EFI_SECTION_TYPE SectionType,
+ OUT VOID **Buffer,
+ OUT UINTN *Size
+ )
+{
+ EFI_STATUS Status;
+ EFI_FV_FILETYPE FileType;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINT32 AuthenticationStatus;
+
+ //
+ // Read desired section content in NameGuid file
+ //
+ *Buffer = NULL;
+ *Size = 0;
+ Status = Fv->ReadSection (
+ Fv,
+ NameGuid,
+ SectionType,
+ 0,
+ Buffer,
+ Size,
+ &AuthenticationStatus
+ );
+
+ if (EFI_ERROR (Status) && (SectionType == EFI_SECTION_TE)) {
+ //
+ // Try reading PE32 section, since the TE section does not exist
+ //
+ *Buffer = NULL;
+ *Size = 0;
+ Status = Fv->ReadSection (
+ Fv,
+ NameGuid,
+ EFI_SECTION_PE32,
+ 0,
+ Buffer,
+ Size,
+ &AuthenticationStatus
+ );
+ }
+
+ if (EFI_ERROR (Status) &&
+ ((SectionType == EFI_SECTION_TE) || (SectionType == EFI_SECTION_PE32))) {
+ //
+ // Try reading raw file, since the desired section does not exist
+ //
+ *Buffer = NULL;
+ *Size = 0;
+ Status = Fv->ReadFile (
+ Fv,
+ NameGuid,
+ Buffer,
+ Size,
+ &FileType,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ }
+
+ return Status;
+}
+
+
+EFI_STATUS
+GetImageEx (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_GUID *NameGuid,
+ IN EFI_SECTION_TYPE SectionType,
+ OUT VOID **Buffer,
+ OUT UINTN *Size,
+ BOOLEAN WithinImageFv
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *HandleBuffer;
+ UINTN HandleCount;
+ UINTN Index;
+ EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
+
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *ImageFv;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
+
+
+ if (ImageHandle == NULL && WithinImageFv) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = EFI_NOT_FOUND;
+ ImageFv = NULL;
+ if (ImageHandle != NULL) {
+ Status = gBS->HandleProtocol (
+ ImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &LoadedImage
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ Status = gBS->HandleProtocol (
+ LoadedImage->DeviceHandle,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &ImageFv
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = GetImageFromFv (ImageFv, NameGuid, SectionType, Buffer, Size);
+ }
+ }
+
+ if (Status == EFI_SUCCESS || WithinImageFv) {
+ return Status;
+ }
+
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Find desired image in all Fvs
+ //
+ for (Index = 0; Index < HandleCount; ++Index) {
+ Status = gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID**)&Fv
+ );
+
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool(HandleBuffer);
+ return Status;
+ }
+
+ if (ImageFv != NULL && Fv == ImageFv) {
+ continue;
+ }
+
+ Status = GetImageFromFv (Fv, NameGuid, SectionType, Buffer, Size);
+
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ }
+ gBS->FreePool(HandleBuffer);
+
+ //
+ // Not found image
+ //
+ if (Index == HandleCount) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function returns BIOS ID by searching HOB or FV.
+
+ @param BiosIdImage The BIOS ID got from HOB or FV.
+
+ @retval EFI_SUCCESS All parameters were valid and BIOS ID has been got.
+ @retval EFI_NOT_FOUND BiosId image is not found, and no parameter will be modified.
+ @retval EFI_INVALID_PARAMETER The parameter is NULL.
+
+**/
+EFI_STATUS
+GetBiosId (
+ OUT BIOS_ID_IMAGE *BiosIdImage
+ )
+
+{
+ EFI_STATUS Status;
+ VOID *Address = NULL;
+ UINTN Size = 0;
+
+ DEBUG ((EFI_D_INFO, "Get BIOS ID from FV\n"));
+
+ Status = GetImageEx (
+ NULL,
+ &gEfiBiosIdGuid,
+ EFI_SECTION_RAW,
+ &Address,
+ &Size,
+ FALSE
+ );
+
+ if (Status == EFI_SUCCESS) {
+ //
+ // BiosId image is present in FV
+ //
+ if (Address != NULL) {
+ Size = sizeof (BIOS_ID_IMAGE);
+ gBS->CopyMem (
+ (void *) BiosIdImage,
+ Address,
+ Size
+ );
+ //
+ // GetImage () allocated buffer for Address, now clear it.
+ //
+ gBS->FreePool (Address);
+
+ DEBUG ((EFI_D_INFO, "Get BIOS ID from FV successfully\n"));
+ DEBUG ((EFI_D_INFO, "BIOS ID: %s\n", (CHAR16 *) (&(BiosIdImage->BiosIdString))));
+
+ return EFI_SUCCESS;
+ }
+ }
+ return EFI_NOT_FOUND;
+}
+
+/**
+ This function returns the Version & Release Date and Time by getting and converting
+ BIOS ID.
+
+ @param BiosVersion The Bios Version out of the conversion.
+ @param BiosReleaseDate The Bios Release Date out of the conversion.
+ @param BiosReleaseTime - The Bios Release Time out of the conversion.
+
+ @retval EFI_SUCCESS - BIOS Version & Release Date and Time have been got successfully.
+ @retval EFI_NOT_FOUND - BiosId image is not found, and no parameter will be modified.
+ @retval EFI_INVALID_PARAMETER - All the parameters are NULL.
+
+**/
+EFI_STATUS
+GetBiosVersionDateTime (
+ OUT CHAR16 *BiosVersion, OPTIONAL
+ OUT CHAR16 *BiosReleaseDate, OPTIONAL
+ OUT CHAR16 *BiosReleaseTime OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ BIOS_ID_IMAGE BiosIdImage;
+
+ if ((BiosVersion == NULL) && (BiosReleaseDate == NULL) && (BiosReleaseTime == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = GetBiosId (&BiosIdImage);
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (BiosVersion != NULL) {
+ //
+ // Fill the BiosVersion data from the BIOS ID.
+ //
+ StrCpy (BiosVersion, (CHAR16 *) (&(BiosIdImage.BiosIdString)));
+ }
+
+ if (BiosReleaseDate != NULL) {
+ //
+ // Fill the build timestamp date from the BIOS ID in the "MM/DD/YY" format.
+ //
+ BiosReleaseDate[0] = BiosIdImage.BiosIdString.TimeStamp[2];
+ BiosReleaseDate[1] = BiosIdImage.BiosIdString.TimeStamp[3];
+ BiosReleaseDate[2] = (CHAR16) ((UINT8) ('/'));
+
+ BiosReleaseDate[3] = BiosIdImage.BiosIdString.TimeStamp[4];
+ BiosReleaseDate[4] = BiosIdImage.BiosIdString.TimeStamp[5];
+ BiosReleaseDate[5] = (CHAR16) ((UINT8) ('/'));
+
+ //
+ // Add 20 for SMBIOS table
+ // Current Linux kernel will misjudge 09 as year 0, so using 2009 for SMBIOS table
+ //
+ BiosReleaseDate[6] = '2';
+ BiosReleaseDate[7] = '0';
+ BiosReleaseDate[8] = BiosIdImage.BiosIdString.TimeStamp[0];
+ BiosReleaseDate[9] = BiosIdImage.BiosIdString.TimeStamp[1];
+
+ BiosReleaseDate[10] = (CHAR16) ((UINT8) ('\0'));
+ }
+
+ if (BiosReleaseTime != NULL) {
+
+ //
+ // Fill the build timestamp time from the BIOS ID in the "HH:MM" format.
+ //
+
+ BiosReleaseTime[0] = BiosIdImage.BiosIdString.TimeStamp[6];
+ BiosReleaseTime[1] = BiosIdImage.BiosIdString.TimeStamp[7];
+ BiosReleaseTime[2] = (CHAR16) ((UINT8) (':'));
+
+ BiosReleaseTime[3] = BiosIdImage.BiosIdString.TimeStamp[8];
+ BiosReleaseTime[4] = BiosIdImage.BiosIdString.TimeStamp[9];
+
+ BiosReleaseTime[5] = (CHAR16) ((UINT8) ('\0'));
+ }
+
+ return EFI_SUCCESS;
+}
+
|