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-rw-r--r--MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.c610
-rw-r--r--MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf50
-rw-r--r--MdeModulePkg/Application/DumpDynPcd/DumpDynPcdStr.uni28
-rw-r--r--MdeModulePkg/MdeModulePkg.dsc1
4 files changed, 689 insertions, 0 deletions
diff --git a/MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.c b/MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.c
new file mode 100644
index 0000000000..96b35d3da0
--- /dev/null
+++ b/MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.c
@@ -0,0 +1,610 @@
+/** @file
+ A shell application to dump dynamic PCD settings.
+
+ Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <PiDxe.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+
+#include <Protocol/UnicodeCollation.h>
+#include <Protocol/PiPcd.h>
+#include <Protocol/Pcd.h>
+#include <Protocol/PiPcdInfo.h>
+#include <Protocol/PcdInfo.h>
+#include <Protocol/ShellParameters.h>
+#include <Protocol/Shell.h>
+
+
+//
+// String token ID of help message text.
+// Shell supports to find help message in the resource section of an application image if
+// .MAN file is not found. This global variable is added to make build tool recognizes
+// that the help string is consumed by user and then build tool will add the string into
+// the resource section. Thus the application can use '-?' option to show help message in
+// Shell.
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_STRING_ID mStrDumpDynPcdHelpTokenId = STRING_TOKEN (STR_DUMP_DYN_PCD_HELP_INFORMATION);
+
+#define MAJOR_VERSION 1
+#define MINOR_VERSION 0
+
+static EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation = NULL;
+static EFI_PCD_PROTOCOL *mPiPcd = NULL;
+static PCD_PROTOCOL *mPcd = NULL;
+static EFI_GET_PCD_INFO_PROTOCOL *mPiPcdInfo = NULL;
+static GET_PCD_INFO_PROTOCOL *mPcdInfo = NULL;
+static CHAR16 *mTempPcdNameBuffer = NULL;
+static UINTN mTempPcdNameBufferSize = 0;
+
+static CONST CHAR8 mHex[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+
+static UINTN Argc;
+static CHAR16 **Argv;
+
+
+/**
+
+ This function parse application ARG.
+
+ @return Status
+**/
+static
+EFI_STATUS
+GetArg (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters;
+
+ Status = gBS->HandleProtocol (
+ gImageHandle,
+ &gEfiShellParametersProtocolGuid,
+ (VOID**)&ShellParameters
+ );
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ Argc = ShellParameters->Argc;
+ Argv = ShellParameters->Argv;
+ return EFI_SUCCESS;
+}
+
+/**
+ Display current version.
+**/
+static
+VOID
+ShowVersion (
+ )
+{
+ Print (L"DumpDynPcd Version %d.%02d\n", MAJOR_VERSION, MINOR_VERSION);
+}
+
+/**
+ Display Usage and Help information.
+**/
+static
+VOID
+ShowHelp (
+ )
+{
+ Print (L"Dump dynamic[ex] PCD info.\n");
+ Print (L"\n");
+ Print (L"DumpDynPcd [PcdName]\n");
+ Print (L"\n");
+ Print (L" PcdName Specifies the name of PCD.\n");
+ Print (L" A literal[or partial] name or a pattern as specified in\n");
+ Print (L" the MetaiMatch() function of the EFI_UNICODE_COLLATION2_PROCOOL.\n");
+ Print (L" If it is absent, dump all PCDs' info.\n");
+ Print (L"The PCD data is printed as hexadecimal dump.\n");
+}
+
+/**
+ Dump some hexadecimal data to the screen.
+
+ @param[in] Indent How many spaces to indent the output.
+ @param[in] Offset The offset of the printing.
+ @param[in] DataSize The size in bytes of UserData.
+ @param[in] UserData The data to print out.
+**/
+static
+VOID
+DumpHex (
+ IN UINTN Indent,
+ IN UINTN Offset,
+ IN UINTN DataSize,
+ IN VOID *UserData
+ )
+{
+ UINT8 *Data;
+
+ CHAR8 Val[50];
+
+ CHAR8 Str[20];
+
+ UINT8 TempByte;
+ UINTN Size;
+ UINTN Index;
+
+ Data = UserData;
+ while (DataSize != 0) {
+ Size = 16;
+ if (Size > DataSize) {
+ Size = DataSize;
+ }
+
+ for (Index = 0; Index < Size; Index += 1) {
+ TempByte = Data[Index];
+ Val[Index * 3 + 0] = mHex[TempByte >> 4];
+ Val[Index * 3 + 1] = mHex[TempByte & 0xF];
+ Val[Index * 3 + 2] = (CHAR8) ((Index == 7) ? '-' : ' ');
+ Str[Index] = (CHAR8) ((TempByte < ' ' || TempByte > 'z') ? '.' : TempByte);
+ }
+
+ Val[Index * 3] = 0;
+ Str[Index] = 0;
+ Print (L"%*a%08X: %-48a *%a*\r\n", Indent, "", Offset, Val, Str);
+
+ Data += Size;
+ Offset += Size;
+ DataSize -= Size;
+ }
+}
+
+
+/**
+ Safely append with automatic string resizing given length of Destination and
+ desired length of copy from Source.
+
+ append the first D characters of Source to the end of Destination, where D is
+ the lesser of Count and the StrLen() of Source. If appending those D characters
+ will fit within Destination (whose Size is given as CurrentSize) and
+ still leave room for a NULL terminator, then those characters are appended,
+ starting at the original terminating NULL of Destination, and a new terminating
+ NULL is appended.
+
+ If appending D characters onto Destination will result in a overflow of the size
+ given in CurrentSize the string will be grown such that the copy can be performed
+ and CurrentSize will be updated to the new size.
+
+ If Source is NULL, there is nothing to append, just return the current buffer in
+ Destination.
+
+ if Destination is NULL, then ASSERT()
+ if Destination's current length (including NULL terminator) is already more then
+ CurrentSize, then ASSERT()
+
+ @param[in, out] Destination The String to append onto
+ @param[in, out] CurrentSize on call the number of bytes in Destination. On
+ return possibly the new size (still in bytes). if NULL
+ then allocate whatever is needed.
+ @param[in] Source The String to append from
+
+ @return Destination return the resultant string.
+**/
+static
+CHAR16*
+InternalStrnCatGrow (
+ IN OUT CHAR16 **Destination,
+ IN OUT UINTN *CurrentSize,
+ IN CONST CHAR16 *Source
+ )
+{
+ UINTN DestinationStartSize;
+ UINTN NewSize;
+ UINTN SourceLen;
+
+ SourceLen = StrLen(Source);
+
+ //
+ // ASSERTs
+ //
+ ASSERT(Destination != NULL);
+
+ //
+ // If there's nothing to do then just return Destination
+ //
+ if (Source == NULL) {
+ return (*Destination);
+ }
+
+ //
+ // allow for un-initialized pointers, based on size being 0
+ //
+ if (CurrentSize != NULL && *CurrentSize == 0) {
+ *Destination = NULL;
+ }
+
+ //
+ // allow for NULL pointers address as Destination
+ //
+ if (*Destination != NULL) {
+ ASSERT(CurrentSize != 0);
+ DestinationStartSize = StrSize(*Destination);
+ ASSERT(DestinationStartSize <= *CurrentSize);
+ } else {
+ DestinationStartSize = 0;
+ }
+
+ //
+ // Test and grow if required
+ //
+ if (CurrentSize != NULL) {
+ NewSize = *CurrentSize;
+ if (NewSize < DestinationStartSize + (SourceLen * sizeof(CHAR16))) {
+ while (NewSize < (DestinationStartSize + (SourceLen*sizeof(CHAR16)))) {
+ NewSize += 2 * SourceLen * sizeof(CHAR16);
+ }
+ *Destination = ReallocatePool(*CurrentSize, NewSize, *Destination);
+ *CurrentSize = NewSize;
+ }
+ } else {
+ NewSize = (SourceLen + 1)*sizeof(CHAR16);
+ *Destination = AllocateZeroPool(NewSize);
+ }
+
+ //
+ // Now use standard StrnCat on a big enough buffer
+ //
+ if (*Destination == NULL) {
+ return (NULL);
+ }
+
+ StrnCatS(*Destination, NewSize/sizeof(CHAR16), Source, SourceLen);
+ return *Destination;
+}
+
+/**
+ Get PCD type string based on input PCD type.
+
+ @param[in] TokenSpace PCD Token Space.
+ @param[in] PcdType The input PCD type.
+
+ @return Pointer to PCD type string.
+**/
+static
+CHAR16 *
+GetPcdTypeString (
+ IN CONST EFI_GUID *TokenSpace,
+ IN EFI_PCD_TYPE PcdType
+ )
+{
+ UINTN BufLen;
+ CHAR16 *RetString;
+
+ BufLen = 0;
+ RetString = NULL;
+
+ switch (PcdType) {
+ case EFI_PCD_TYPE_8:
+ InternalStrnCatGrow (&RetString, &BufLen, L"UINT8");
+ break;
+ case EFI_PCD_TYPE_16:
+ InternalStrnCatGrow (&RetString, &BufLen, L"UINT16");
+ break;
+ case EFI_PCD_TYPE_32:
+ InternalStrnCatGrow (&RetString, &BufLen, L"UINT32");
+ break;
+ case EFI_PCD_TYPE_64:
+ InternalStrnCatGrow (&RetString, &BufLen, L"UINT64");
+ break;
+ case EFI_PCD_TYPE_BOOL:
+ InternalStrnCatGrow (&RetString, &BufLen, L"BOOLEAN");
+ break;
+ case EFI_PCD_TYPE_PTR:
+ InternalStrnCatGrow (&RetString, &BufLen, L"POINTER");
+ break;
+ default:
+ InternalStrnCatGrow (&RetString, &BufLen, L"UNKNOWN");
+ break;
+ }
+
+ if (TokenSpace == NULL) {
+ InternalStrnCatGrow (&RetString, &BufLen, L":DYNAMIC");
+ } else {
+ InternalStrnCatGrow (&RetString, &BufLen, L":DYNAMICEX");
+ }
+
+ return RetString;
+}
+
+/**
+ Dump PCD info.
+
+ @param[in] TokenSpace PCD Token Space.
+ @param[in] TokenNumber PCD Token Number.
+ @param[in] PcdInfo Pointer to PCD info.
+**/
+static
+VOID
+DumpPcdInfo (
+ IN CONST EFI_GUID *TokenSpace,
+ IN UINTN TokenNumber,
+ IN EFI_PCD_INFO *PcdInfo
+ )
+{
+ CHAR16 *RetString;
+ UINT8 Uint8;
+ UINT16 Uint16;
+ UINT32 Uint32;
+ UINT64 Uint64;
+ BOOLEAN Boolean;
+ VOID *PcdData;
+
+ RetString = NULL;
+
+ if (PcdInfo->PcdName != NULL) {
+ Print (L"%a\n", PcdInfo->PcdName);
+ } else {
+ if (TokenSpace == NULL) {
+ Print (L"Default Token Space\n");
+ } else {
+ Print (L"%g\n", TokenSpace);
+ }
+ }
+
+ RetString = GetPcdTypeString (TokenSpace, PcdInfo->PcdType);
+
+ switch (PcdInfo->PcdType) {
+ case EFI_PCD_TYPE_8:
+ if (TokenSpace == NULL) {
+ Uint8 = mPcd->Get8 (TokenNumber);
+ } else {
+ Uint8 = mPiPcd->Get8 (TokenSpace, TokenNumber);
+ }
+ Print (L" Token = 0x%08x - Type = %H%-17s%N - Size = 0x%x - Value = 0x%x\n", TokenNumber, RetString, PcdInfo->PcdSize, Uint8);
+ break;
+ case EFI_PCD_TYPE_16:
+ if (TokenSpace == NULL) {
+ Uint16 = mPcd->Get16 (TokenNumber);
+ } else {
+ Uint16 = mPiPcd->Get16 (TokenSpace, TokenNumber);
+ }
+ Print (L" Token = 0x%08x - Type = %H%-17s%N - Size = 0x%x - Value = 0x%x\n", TokenNumber, RetString, PcdInfo->PcdSize, Uint16);
+ break;
+ case EFI_PCD_TYPE_32:
+ if (TokenSpace == NULL) {
+ Uint32 = mPcd->Get32 (TokenNumber);
+ } else {
+ Uint32 = mPiPcd->Get32 (TokenSpace, TokenNumber);
+ }
+ Print (L" Token = 0x%08x - Type = %H%-17s%N - Size = 0x%x - Value = 0x%x\n", TokenNumber, RetString, PcdInfo->PcdSize, Uint32);
+ break;
+ case EFI_PCD_TYPE_64:
+ if (TokenSpace == NULL) {
+ Uint64 = mPcd->Get64 (TokenNumber);
+ } else {
+ Uint64 = mPiPcd->Get64 (TokenSpace, TokenNumber);
+ }
+ Print (L" Token = 0x%08x - Type = %H%-17s%N - Size = 0x%x - Value = 0x%lx\n", TokenNumber, RetString, PcdInfo->PcdSize, Uint64);
+ break;
+ case EFI_PCD_TYPE_BOOL:
+ if (TokenSpace == NULL) {
+ Boolean = mPcd->GetBool (TokenNumber);
+ } else {
+ Boolean = mPiPcd->GetBool (TokenSpace, TokenNumber);
+ }
+ Print (L" Token = 0x%08x - Type = %H%-17s%N - Size = 0x%x - Value = %a\n", TokenNumber, RetString, PcdInfo->PcdSize, Boolean ? "TRUE" : "FALSE");
+ break;
+ case EFI_PCD_TYPE_PTR:
+ if (TokenSpace == NULL) {
+ PcdData = mPcd->GetPtr (TokenNumber);
+ } else {
+ PcdData = mPiPcd->GetPtr (TokenSpace, TokenNumber);
+ }
+ Print (L" Token = 0x%08x - Type = %H%-17s%N - Size = 0x%x\n", TokenNumber, RetString, PcdInfo->PcdSize);
+ DumpHex (2, 0, PcdInfo->PcdSize, PcdData);
+ break;
+ default:
+ return;
+ }
+
+ if (RetString != NULL) {
+ FreePool (RetString);
+ }
+ Print (L"\n");
+}
+
+/**
+ Show one or all PCDs' info.
+
+ @param[in] InputPcdName Pointer to PCD name to show. If NULL, show all PCDs' info.
+
+ @retval EFI_SUCCESS Command completed successfully.
+ @retval EFI_OUT_OF_RESOURCES Not enough resources were available to run the command.
+ @retval EFI_ABORTED Aborted by user.
+ @retval EFI_NOT_FOUND The specified PCD is not found.
+**/
+static
+EFI_STATUS
+ProcessPcd (
+ IN CHAR16 *InputPcdName
+ )
+{
+ EFI_STATUS Status;
+ EFI_GUID *TokenSpace;
+ UINTN TokenNumber;
+ EFI_PCD_INFO PcdInfo;
+ BOOLEAN Found;
+ UINTN PcdNameSize;
+
+ PcdInfo.PcdName = NULL;
+ PcdInfo.PcdSize = 0;
+ PcdInfo.PcdType = 0xFF;
+ Found = FALSE;
+
+ Print (L"Current system SKU ID: 0x%x\n\n", mPiPcdInfo->GetSku ());
+
+ TokenSpace = NULL;
+ do {
+ TokenNumber = 0;
+ do {
+ Status = mPiPcd->GetNextToken (TokenSpace, &TokenNumber);
+ if (!EFI_ERROR (Status) && TokenNumber != 0) {
+ if (TokenSpace == NULL) {
+ //
+ // PCD in default Token Space.
+ //
+ mPcdInfo->GetInfo (TokenNumber, &PcdInfo);
+ } else {
+ mPiPcdInfo->GetInfo (TokenSpace, TokenNumber, &PcdInfo);
+ }
+ if (InputPcdName != NULL) {
+ if (PcdInfo.PcdName == NULL) {
+ continue;
+ }
+ PcdNameSize = AsciiStrSize (PcdInfo.PcdName) * sizeof (CHAR16);
+ if (mTempPcdNameBuffer == NULL) {
+ mTempPcdNameBufferSize = PcdNameSize;
+ mTempPcdNameBuffer = AllocatePool (mTempPcdNameBufferSize);
+ } else if (mTempPcdNameBufferSize < PcdNameSize) {
+ mTempPcdNameBuffer = ReallocatePool (mTempPcdNameBufferSize, PcdNameSize, mTempPcdNameBuffer);
+ mTempPcdNameBufferSize = PcdNameSize;
+ }
+ if (mTempPcdNameBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ AsciiStrToUnicodeStrS (PcdInfo.PcdName, mTempPcdNameBuffer, mTempPcdNameBufferSize / sizeof (CHAR16));
+ //
+ // Compare the input PCD name with the PCD name in PCD database.
+ //
+ if ((StrStr (mTempPcdNameBuffer, InputPcdName) != NULL) ||
+ (mUnicodeCollation != NULL && mUnicodeCollation->MetaiMatch (mUnicodeCollation, mTempPcdNameBuffer, InputPcdName))) {
+ //
+ // Found matched PCD.
+ //
+ DumpPcdInfo (TokenSpace, TokenNumber, &PcdInfo);
+ Found = TRUE;
+ }
+ } else {
+ DumpPcdInfo (TokenSpace, TokenNumber, &PcdInfo);
+ }
+ }
+ } while (!EFI_ERROR (Status) && TokenNumber != 0);
+
+ Status = mPiPcd->GetNextTokenSpace ((CONST EFI_GUID **) &TokenSpace);
+ } while (!EFI_ERROR (Status) && TokenSpace != NULL);
+
+ if ((InputPcdName != NULL) && !Found) {
+ //
+ // The specified PCD is not found, print error.
+ //
+ Print (L"%EError. %NNo matching PCD found: %s.\n", InputPcdName);
+ return EFI_NOT_FOUND;
+ }
+ return EFI_SUCCESS;
+}
+
+/**
+ Main entrypoint for DumpDynPcd shell application.
+
+ @param[in] ImageHandle The image handle.
+ @param[in] SystemTable The system table.
+
+ @retval EFI_SUCCESS Command completed successfully.
+ @retval EFI_INVALID_PARAMETER Command usage error.
+ @retval EFI_OUT_OF_RESOURCES Not enough resources were available to run the command.
+ @retval EFI_ABORTED Aborted by user.
+ @retval EFI_NOT_FOUND The specified PCD is not found.
+ @retval Others Error status returned from gBS->LocateProtocol.
+**/
+EFI_STATUS
+EFIAPI
+DumpDynPcdMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ CHAR16 *InputPcdName;
+
+ InputPcdName = NULL;
+
+ Status = gBS->LocateProtocol(&gEfiUnicodeCollation2ProtocolGuid, NULL, (VOID **) &mUnicodeCollation);
+ if (EFI_ERROR (Status)) {
+ mUnicodeCollation = NULL;
+ }
+
+ Status = gBS->LocateProtocol (&gEfiPcdProtocolGuid, NULL, (VOID **) &mPiPcd);
+ if (EFI_ERROR (Status)) {
+ Print (L"DumpDynPcd: %EError. %NPI PCD protocol is not present.\n");
+ return Status;
+ }
+
+ Status = gBS->LocateProtocol (&gEfiGetPcdInfoProtocolGuid, NULL, (VOID **) &mPiPcdInfo);
+ if (EFI_ERROR (Status)) {
+ Print (L"DumpDynPcd: %EError. %NPI PCD info protocol is not present.\n");
+ return Status;
+ }
+
+ Status = gBS->LocateProtocol (&gPcdProtocolGuid, NULL, (VOID **) &mPcd);
+ if (EFI_ERROR (Status)) {
+ Print (L"DumpDynPcd: %EError. %NPCD protocol is not present.\n");
+ return Status;
+ }
+
+ Status = gBS->LocateProtocol (&gGetPcdInfoProtocolGuid, NULL, (VOID **) &mPcdInfo);
+ if (EFI_ERROR (Status)) {
+ Print (L"DumpDynPcd: %EError. %NPCD info protocol is not present.\n");
+ return Status;
+ }
+
+ //
+ // get the command line arguments
+ //
+ Status = GetArg();
+ if (EFI_ERROR(Status)){
+ Print (L"DumpDynPcd: %EError. %NThe input parameters are not recognized.\n");
+ Status = EFI_INVALID_PARAMETER;
+ return Status;
+ }
+
+ if (Argc > 2){
+ Print (L"DumpDynPcd: %EError. %NToo many arguments specified.\n");
+ Status = EFI_INVALID_PARAMETER;
+ return Status;
+ }
+
+ if (Argc == 1){
+ Status = ProcessPcd (InputPcdName);
+ goto Done;
+ }
+
+ if ((StrCmp(Argv[1], L"-?") == 0)||(StrCmp(Argv[1], L"-h") == 0)||(StrCmp(Argv[1], L"-H") == 0)){
+ ShowHelp ();
+ goto Done;
+ } else {
+ if ((StrCmp(Argv[1], L"-v") == 0)||(StrCmp(Argv[1], L"-V") == 0)){
+ ShowVersion ();
+ goto Done;
+ } else {
+ if (StrStr(Argv[1], L"-") != NULL){
+ Print (L"DumpDynPcd: %EError. %NThe argument '%B%s%N' is invalid.\n", Argv[1]);
+ goto Done;
+ }
+ }
+ }
+
+ InputPcdName = Argv[1];
+ Status = ProcessPcd (InputPcdName);
+
+ Done:
+
+ if (mTempPcdNameBuffer != NULL) {
+ FreePool (mTempPcdNameBuffer);
+ }
+
+ return Status;
+}
+
diff --git a/MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf b/MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf
new file mode 100644
index 0000000000..a3542dd367
--- /dev/null
+++ b/MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf
@@ -0,0 +1,50 @@
+## @file
+# DumpDynPcd is a shell application to dump dynamic pcd information.
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010006
+ BASE_NAME = DumpDynPcd
+ FILE_GUID = 31ADA2B2-62EA-4866-9B87-03FEA8425974
+ MODULE_TYPE = UEFI_APPLICATION
+ VERSION_STRING = 1.0
+ ENTRY_POINT = DumpDynPcdMain
+
+#
+# This flag specifies whether HII resource section is generated into PE image.
+#
+ UEFI_HII_RESOURCE_SECTION = TRUE
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ DumpDynPcd.c
+ DumpDynPcdStr.uni
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ BaseLib
+ UefiApplicationEntryPoint
+ DebugLib
+ MemoryAllocationLib
+ UefiLib
+ UefiBootServicesTableLib
+
+[Protocols]
+ gEfiUnicodeCollation2ProtocolGuid ## SOMETIMES_CONSUMES
+ gEfiPcdProtocolGuid ## CONSUMES
+ gPcdProtocolGuid ## CONSUMES
+ gEfiGetPcdInfoProtocolGuid ## CONSUMES
+ gGetPcdInfoProtocolGuid ## CONSUMES
+ gEfiShellParametersProtocolGuid ## CONSUMES
+
diff --git a/MdeModulePkg/Application/DumpDynPcd/DumpDynPcdStr.uni b/MdeModulePkg/Application/DumpDynPcd/DumpDynPcdStr.uni
new file mode 100644
index 0000000000..f0ee98219b
--- /dev/null
+++ b/MdeModulePkg/Application/DumpDynPcd/DumpDynPcdStr.uni
@@ -0,0 +1,28 @@
+//
+// DumpDynPcd is a shell application to dump dynamic pcd information.
+//
+// Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+//**/
+
+/=#
+
+#langdef en-US "English"
+
+#string STR_DUMP_DYN_PCD_HELP_INFORMATION #language en-US ""
+ ".TH DumpDynPcd 0 "Dump dynamic[ex] PCD info."\r\n"
+ ".SH NAME\r\n"
+ "Dump dynamic[ex] PCD info.\r\n"
+ ".SH SYNOPSIS\r\n"
+ " \r\n"
+ "DumpDynPcd [PcdName].\r\n"
+ ".SH OPTIONS\r\n"
+ " \r\n"
+ " PcdName Specifies the name of PCD.\r\n"
+ " A literal[or partial] name or a pattern as specified in\r\n"
+ " the MetaiMatch() function of the EFI_UNICODE_COLLATION2_PROCOOL.\r\n"
+ " If it is absent, dump all PCDs' info.\r\n"
+ "The PCD data is printed as hexadecimal dump.\n"
+ "\r\n"
+
diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index b302f4a4f3..a8b9d8d027 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -206,6 +206,7 @@
[Components]
MdeModulePkg/Application/HelloWorld/HelloWorld.inf
+ MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf
MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.inf
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf