diff options
Diffstat (limited to 'roms/edk2/MdePkg/Library/DxePcdLib')
| -rw-r--r-- | roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.c | 1620 | ||||
| -rw-r--r-- | roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.inf | 63 | ||||
| -rw-r--r-- | roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.uni | 26 |
3 files changed, 1709 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.c b/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.c new file mode 100644 index 000000000..6e3e4e706 --- /dev/null +++ b/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.c @@ -0,0 +1,1620 @@ +/** @file
+Implementation of PcdLib class library for DXE phase.
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+
+**/
+
+
+#include <PiDxe.h>
+
+#include <Protocol/Pcd.h>
+#include <Protocol/PiPcd.h>
+#include <Protocol/PcdInfo.h>
+#include <Protocol/PiPcdInfo.h>
+
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/BaseMemoryLib.h>
+
+PCD_PROTOCOL *mPcd = NULL;
+EFI_PCD_PROTOCOL *mPiPcd = NULL;
+GET_PCD_INFO_PROTOCOL *mPcdInfo = NULL;
+EFI_GET_PCD_INFO_PROTOCOL *mPiPcdInfo = NULL;
+
+/**
+ Retrieves the PI PCD protocol from the handle database.
+
+ @retval EFI_PCD_PROTOCOL * The pointer to the EFI_PCD_PROTOCOL.
+**/
+EFI_PCD_PROTOCOL *
+EFIAPI
+GetPiPcdProtocol (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ if (mPiPcd == NULL) {
+ //
+ // PI Pcd protocol defined in PI 1.2 vol3 should be installed before the module
+ // access DynamicEx type PCD.
+ //
+ Status = gBS->LocateProtocol (&gEfiPcdProtocolGuid, NULL, (VOID **) &mPiPcd);
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (mPiPcd != NULL);
+ }
+ return mPiPcd;
+}
+
+/**
+ Retrieves the PCD protocol from the handle database.
+
+ @retval PCD_PROTOCOL * The pointer to the PCD_PROTOCOL.
+**/
+PCD_PROTOCOL *
+EFIAPI
+GetPcdProtocol (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ if (mPcd == NULL) {
+ //
+ // PCD protocol need to be installed before the module access Dynamic type PCD.
+ // But dynamic type PCD is not required in PI 1.2 specification.
+ //
+ Status = gBS->LocateProtocol (&gPcdProtocolGuid, NULL, (VOID **)&mPcd);
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (mPcd != NULL);
+ }
+ return mPcd;
+}
+
+/**
+ Retrieves the PI PCD info protocol from the handle database.
+
+ @retval EFI_GET_PCD_INFO_PROTOCOL * The pointer to the EFI_GET_PCD_INFO_PROTOCOL defined in PI 1.2.1 Vol 3.
+**/
+EFI_GET_PCD_INFO_PROTOCOL *
+GetPiPcdInfoProtocolPointer (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ if (mPiPcdInfo == NULL) {
+ Status = gBS->LocateProtocol (&gEfiGetPcdInfoProtocolGuid, NULL, (VOID **)&mPiPcdInfo);
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (mPiPcdInfo != NULL);
+ }
+ return mPiPcdInfo;
+}
+
+/**
+ Retrieves the PCD info protocol from the handle database.
+
+ @retval GET_PCD_INFO_PROTOCOL * The pointer to the GET_PCD_INFO_PROTOCOL.
+**/
+GET_PCD_INFO_PROTOCOL *
+GetPcdInfoProtocolPointer (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ if (mPcdInfo == NULL) {
+ Status = gBS->LocateProtocol (&gGetPcdInfoProtocolGuid, NULL, (VOID **)&mPcdInfo);
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (mPcdInfo != NULL);
+ }
+ return mPcdInfo;
+}
+
+/**
+ This function provides a means by which SKU support can be established in the PCD infrastructure.
+
+ Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.
+
+ @param SkuId The SKU value that will be used when the PCD service retrieves and sets values
+ associated with a PCD token.
+
+ @return Return the SKU ID that just be set.
+
+**/
+UINTN
+EFIAPI
+LibPcdSetSku (
+ IN UINTN SkuId
+ )
+{
+ GetPcdProtocol()->SetSku (SkuId);
+
+ return SkuId;
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 8-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @return Returns the 8-bit value for the token specified by TokenNumber.
+
+**/
+UINT8
+EFIAPI
+LibPcdGet8 (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->Get8 (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 16-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @return Returns the 16-bit value for the token specified by TokenNumber.
+
+**/
+UINT16
+EFIAPI
+LibPcdGet16 (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->Get16 (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 32-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @return Returns the 32-bit value for the token specified by TokenNumber.
+
+**/
+UINT32
+EFIAPI
+LibPcdGet32 (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->Get32 (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 64-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @return Returns the 64-bit value for the token specified by TokenNumber.
+
+**/
+UINT64
+EFIAPI
+LibPcdGet64 (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->Get64 (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ 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.
+
+ @return Returns the pointer to the token specified by TokenNumber.
+
+**/
+VOID *
+EFIAPI
+LibPcdGetPtr (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->GetPtr (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the Boolean value of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @return Returns the Boolean value of the token specified by TokenNumber.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdGetBool (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->GetBool (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve the size of a given PCD token.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @return Returns the size of the token specified by TokenNumber.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetSize (
+ IN UINTN TokenNumber
+ )
+{
+ return GetPcdProtocol()->GetSize (TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 8-bit value for the token specified by TokenNumber and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the UINT8.
+
+**/
+UINT8
+EFIAPI
+LibPcdGetEx8 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Get8 (Guid, TokenNumber);
+}
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 16-bit value for the token specified by TokenNumber and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the UINT16.
+
+**/
+UINT16
+EFIAPI
+LibPcdGetEx16 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Get16 (Guid, TokenNumber);
+}
+
+
+/**
+ Returns the 32-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the UINT32.
+
+**/
+UINT32
+EFIAPI
+LibPcdGetEx32 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Get32 (Guid, TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the 64-bit value for the token specified by TokenNumber and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the UINT64.
+
+**/
+UINT64
+EFIAPI
+LibPcdGetEx64 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Get64 (Guid, TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the pointer to the buffer of token specified by TokenNumber and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the VOID* pointer.
+
+**/
+VOID *
+EFIAPI
+LibPcdGetExPtr (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->GetPtr (Guid, TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve a value for a given PCD token.
+
+ Returns the Boolean value of the token specified by TokenNumber and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the BOOLEAN.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdGetExBool (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->GetBool (Guid, TokenNumber);
+}
+
+
+
+/**
+ This function provides a means by which to retrieve the size of a given PCD token.
+
+ Returns the size of the token specified by TokenNumber and Guid.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the size.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetExSize (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->GetSize (Guid, TokenNumber);
+}
+
+
+
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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.
+
+ @return Return the value that was set.
+
+**/
+UINT8
+EFIAPI
+LibPcdSet8 (
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ )
+{
+ GetPcdProtocol()->Set8 (TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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.
+
+ @return Return the value that was set.
+
+**/
+UINT16
+EFIAPI
+LibPcdSet16 (
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ )
+{
+ GetPcdProtocol()->Set16 (TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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.
+
+ @return Return the value that was set.
+
+**/
+UINT32
+EFIAPI
+LibPcdSet32 (
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ )
+{
+ GetPcdProtocol()->Set32 (TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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.
+
+ @return Return the value that was set.
+
+**/
+UINT64
+EFIAPI
+LibPcdSet64 (
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ )
+{
+ GetPcdProtocol()->Set64 (TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets a buffer for the token specified by TokenNumber to the value
+ specified by Buffer and SizeOfBuffer. Buffer is returned.
+ If SizeOfBuffer is greater than the maximum size support by TokenNumber,
+ then set SizeOfBuffer to the maximum size supported by TokenNumber and
+ return NULL to indicate that the set operation was not actually performed.
+
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the
+ maximum size supported by TokenName and NULL must be returned.
+
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 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] Buffer A pointer to the buffer to set.
+
+ @return Return the pointer for the buffer been set.
+
+**/
+VOID *
+EFIAPI
+LibPcdSetPtr (
+ IN UINTN TokenNumber,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ EFI_STATUS Status;
+ UINTN InputSizeOfBuffer;
+
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ InputSizeOfBuffer = *SizeOfBuffer;
+ Status = GetPcdProtocol()->SetPtr (TokenNumber, SizeOfBuffer, (VOID *) Buffer);
+ if (EFI_ERROR (Status) && (*SizeOfBuffer < InputSizeOfBuffer)) {
+ return NULL;
+ }
+
+ return (VOID *)Buffer;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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.
+
+ @return Return the value that was set.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdSetBool (
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ )
+{
+ GetPcdProtocol()->SetBool (TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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 The 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.
+
+ @return Return the value that was set.
+
+**/
+UINT8
+EFIAPI
+LibPcdSetEx8 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ GetPiPcdProtocol()->Set8 (Guid, TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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 The 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.
+
+ @return Return the value that was set.
+
+**/
+UINT16
+EFIAPI
+LibPcdSetEx16 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ GetPiPcdProtocol()->Set16 (Guid, TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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 The 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.
+
+ @return Return the value that was set.
+
+**/
+UINT32
+EFIAPI
+LibPcdSetEx32 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ GetPiPcdProtocol()->Set32 (Guid, TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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 The 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.
+
+ @return Return the value that was set.
+
+**/
+UINT64
+EFIAPI
+LibPcdSetEx64 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ GetPiPcdProtocol()->Set64 (Guid, TokenNumber, Value);
+
+ return Value;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets a buffer for the token specified by TokenNumber to the value specified by
+ Buffer and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than
+ the maximum size support by TokenNumber, then set SizeOfBuffer 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 SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return Return the pointer to the buffer been set.
+
+**/
+VOID *
+EFIAPI
+LibPcdSetExPtr (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN OUT UINTN *SizeOfBuffer,
+ IN VOID *Buffer
+ )
+{
+ EFI_STATUS Status;
+ UINTN InputSizeOfBuffer;
+
+ ASSERT (Guid != NULL);
+
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ InputSizeOfBuffer = *SizeOfBuffer;
+ Status = GetPiPcdProtocol()->SetPtr (Guid, TokenNumber, SizeOfBuffer, Buffer);
+ if (EFI_ERROR (Status) && (*SizeOfBuffer < InputSizeOfBuffer)) {
+ return NULL;
+ }
+
+ return Buffer;
+}
+
+
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ 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 The 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.
+
+ @return Return the value that was set.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdSetExBool (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ GetPiPcdProtocol()->SetBool (Guid, TokenNumber, Value);
+
+ return Value;
+}
+#endif
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 8-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 8-bit value to set.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSet8S (
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ )
+{
+ return GetPcdProtocol()->Set8 (TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 16-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 16-bit value to set.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSet16S (
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ )
+{
+ return GetPcdProtocol()->Set16 (TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 32-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 32-bit value to set.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSet32S (
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ )
+{
+ return GetPcdProtocol()->Set32 (TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 64-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 64-bit value to set.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSet64S (
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ )
+{
+ return GetPcdProtocol()->Set64 (TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets a buffer for the token specified by TokenNumber to the value specified
+ by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than the maximum size
+ support by TokenNumber, then set SizeOfBuffer to the maximum size supported by
+ TokenNumber and return EFI_INVALID_PARAMETER to indicate that the set operation
+ was not actually performed.
+
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the
+ maximum size supported by TokenName and EFI_INVALID_PARAMETER must be returned.
+
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 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] Buffer A pointer to the buffer to set.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetPtrS (
+ IN UINTN TokenNumber,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ return GetPcdProtocol()->SetPtr (TokenNumber, SizeOfBuffer, (VOID *) Buffer);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the boolean value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The boolean value to set.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetBoolS (
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ )
+{
+ return GetPcdProtocol()->SetBool (TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 8-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetEx8S (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Set8 (Guid, TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 16-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetEx16S (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Set16 (Guid, TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 32-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetEx32S (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Set32 (Guid, TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the 64-bit value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetEx64S (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->Set64 (Guid, TokenNumber, Value);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets a buffer for the token specified by TokenNumber to the value specified by
+ Buffer and SizeOfBuffer. If SizeOfBuffer is greater than the maximum size
+ support by TokenNumber, then set SizeOfBuffer to the maximum size supported by
+ TokenNumber and return EFI_INVALID_PARAMETER to indicate that the set operation
+ was not actually performed.
+
+ If Guid is NULL, then ASSERT().
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetExPtrS (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN OUT UINTN *SizeOfBuffer,
+ IN VOID *Buffer
+ )
+{
+ ASSERT (Guid != NULL);
+
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ return GetPiPcdProtocol()->SetPtr (Guid, TokenNumber, SizeOfBuffer, Buffer);
+}
+
+/**
+ This function provides a means by which to set a value for a given PCD token.
+
+ Sets the boolean value for the token specified by TokenNumber
+ to the value specified by Value.
+
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid The 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPcdSetExBoolS (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ )
+{
+ ASSERT (Guid != NULL);
+
+ return GetPiPcdProtocol()->SetBool (Guid, TokenNumber, Value);
+}
+
+/**
+ Set up a notification function that is called when a specified token is set.
+
+ 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 The 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.
+
+**/
+VOID
+EFIAPI
+LibPcdCallbackOnSet (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber,
+ IN PCD_CALLBACK NotificationFunction
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (NotificationFunction != NULL);
+
+ Status = GetPiPcdProtocol()->CallbackOnSet (Guid, TokenNumber, (EFI_PCD_PROTOCOL_CALLBACK) NotificationFunction);
+ ASSERT_EFI_ERROR (Status);
+
+ return;
+}
+
+
+
+/**
+ Disable a notification function that was established with LibPcdCallbackonSet().
+
+ Disable a notification function that was previously established with LibPcdCallbackOnSet().
+ If NotificationFunction is NULL, then ASSERT().
+ If LibPcdCallbackOnSet() was not previously called with Guid, TokenNumber,
+ and NotificationFunction, then ASSERT().
+
+ @param[in] Guid Specify the GUID token space.
+ @param[in] TokenNumber Specify the token number.
+ @param[in] NotificationFunction The callback function to be unregistered.
+
+**/
+VOID
+EFIAPI
+LibPcdCancelCallback (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber,
+ IN PCD_CALLBACK NotificationFunction
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (NotificationFunction != NULL);
+
+ Status = GetPiPcdProtocol()->CancelCallback (Guid, TokenNumber, (EFI_PCD_PROTOCOL_CALLBACK) NotificationFunction);
+ ASSERT_EFI_ERROR (Status);
+
+ return;
+}
+
+
+
+/**
+ Retrieves the next token in a token space.
+
+ 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] Guid The 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 previous PCD token number. If 0, then retrieves the first PCD
+ token number.
+
+ @return The next valid token number.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetNextToken (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber
+ )
+{
+ EFI_STATUS Status;
+
+ Status = GetPiPcdProtocol()->GetNextToken (Guid, &TokenNumber);
+ ASSERT (!EFI_ERROR (Status) || TokenNumber == 0);
+
+ return TokenNumber;
+}
+
+
+
+/**
+ Used to retrieve the list of available PCD token space GUIDs.
+
+ Returns the PCD token space GUID that follows TokenSpaceGuid in the list of token spaces
+ in the platform.
+ If TokenSpaceGuid is NULL, then a pointer to the first PCD token spaces returned.
+ If TokenSpaceGuid is the last PCD token space GUID in the list, then NULL is returned.
+
+ @param TokenSpaceGuid The pointer to the a PCD token space GUID.
+
+ @return The next valid token namespace.
+
+**/
+GUID *
+EFIAPI
+LibPcdGetNextTokenSpace (
+ IN CONST GUID *TokenSpaceGuid
+ )
+{
+ GetPiPcdProtocol()->GetNextTokenSpace (&TokenSpaceGuid);
+
+ return (GUID *)TokenSpaceGuid;
+}
+
+
+/**
+ Sets a value of a patchable PCD entry that is type pointer.
+
+ Sets the PCD entry specified by PatchVariable to the value specified by Buffer
+ and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than
+ MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return
+ NULL to indicate that the set operation was not actually performed.
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
+ MaximumDatumSize and NULL must be returned.
+
+ If PatchVariable is NULL, then ASSERT().
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
+
+ @param[out] 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.
+
+ @return Return the pointer to the buffer been set.
+
+**/
+VOID *
+EFIAPI
+LibPatchPcdSetPtr (
+ OUT VOID *PatchVariable,
+ IN UINTN MaximumDatumSize,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ ASSERT (PatchVariable != NULL);
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ if ((*SizeOfBuffer > MaximumDatumSize) ||
+ (*SizeOfBuffer == MAX_ADDRESS)) {
+ *SizeOfBuffer = MaximumDatumSize;
+ return NULL;
+ }
+
+ CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
+
+ return (VOID *) Buffer;
+}
+
+/**
+ Sets a value of a patchable PCD entry that is type pointer.
+
+ Sets the PCD entry specified by PatchVariable to the value specified
+ by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than MaximumDatumSize,
+ then set SizeOfBuffer to MaximumDatumSize and return RETURN_INVALID_PARAMETER
+ to indicate that the set operation was not actually performed.
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
+ MaximumDatumSize and RETURN_INVALID_PARAMETER must be returned.
+
+ If PatchVariable is NULL, then ASSERT().
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
+
+ @param[out] 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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPatchPcdSetPtrS (
+ OUT VOID *PatchVariable,
+ IN UINTN MaximumDatumSize,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ ASSERT (PatchVariable != NULL);
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ if ((*SizeOfBuffer > MaximumDatumSize) ||
+ (*SizeOfBuffer == MAX_ADDRESS)) {
+ *SizeOfBuffer = MaximumDatumSize;
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
+
+ return RETURN_SUCCESS;
+}
+
+
+/**
+ Sets a value and size of a patchable PCD entry that is type pointer.
+
+ Sets the PCD entry specified by PatchVariable to the value specified by Buffer
+ and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than
+ MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return
+ NULL to indicate that the set operation was not actually performed.
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
+ MaximumDatumSize and NULL must be returned.
+
+ If PatchVariable is NULL, then ASSERT().
+ If SizeOfPatchVariable is NULL, then ASSERT().
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
+
+ @param[out] PatchVariable A pointer to the global variable in a module that is
+ the target of the set operation.
+ @param[out] SizeOfPatchVariable A pointer to the size, in bytes, of PatchVariable.
+ @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.
+
+ @return Return the pointer to the buffer been set.
+
+**/
+VOID *
+EFIAPI
+LibPatchPcdSetPtrAndSize (
+ OUT VOID *PatchVariable,
+ OUT UINTN *SizeOfPatchVariable,
+ IN UINTN MaximumDatumSize,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ ASSERT (PatchVariable != NULL);
+ ASSERT (SizeOfPatchVariable != NULL);
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ if ((*SizeOfBuffer > MaximumDatumSize) ||
+ (*SizeOfBuffer == MAX_ADDRESS)) {
+ *SizeOfBuffer = MaximumDatumSize;
+ return NULL;
+ }
+
+ CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
+ *SizeOfPatchVariable = *SizeOfBuffer;
+
+ return (VOID *) Buffer;
+}
+
+/**
+ Sets a value and size of a patchable PCD entry that is type pointer.
+
+ Sets the PCD entry specified by PatchVariable to the value specified
+ by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than MaximumDatumSize,
+ then set SizeOfBuffer to MaximumDatumSize and return RETURN_INVALID_PARAMETER
+ to indicate that the set operation was not actually performed.
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
+ MaximumDatumSize and RETURN_INVALID_PARAMETER must be returned.
+
+ If PatchVariable is NULL, then ASSERT().
+ If SizeOfPatchVariable is NULL, then ASSERT().
+ If SizeOfBuffer is NULL, then ASSERT().
+ If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
+
+ @param[out] PatchVariable A pointer to the global variable in a module that is
+ the target of the set operation.
+ @param[out] SizeOfPatchVariable A pointer to the size, in bytes, of PatchVariable.
+ @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.
+
+ @return The status of the set operation.
+
+**/
+RETURN_STATUS
+EFIAPI
+LibPatchPcdSetPtrAndSizeS (
+ OUT VOID *PatchVariable,
+ OUT UINTN *SizeOfPatchVariable,
+ IN UINTN MaximumDatumSize,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ ASSERT (PatchVariable != NULL);
+ ASSERT (SizeOfPatchVariable != NULL);
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ if ((*SizeOfBuffer > MaximumDatumSize) ||
+ (*SizeOfBuffer == MAX_ADDRESS)) {
+ *SizeOfBuffer = MaximumDatumSize;
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
+ *SizeOfPatchVariable = *SizeOfBuffer;
+
+ return RETURN_SUCCESS;
+}
+
+/**
+ Retrieve additional information associated with a PCD token.
+
+ This includes information such as the type of value the TokenNumber is associated with as well as possible
+ human readable name that is associated with the token.
+
+ If TokenNumber is not in the default token space specified, then ASSERT().
+
+ @param[in] TokenNumber The PCD token number.
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.
+**/
+VOID
+EFIAPI
+LibPcdGetInfo (
+ IN UINTN TokenNumber,
+ OUT PCD_INFO *PcdInfo
+ )
+{
+ EFI_STATUS Status;
+
+ Status = GetPcdInfoProtocolPointer()->GetInfo (TokenNumber, (EFI_PCD_INFO *) PcdInfo);
+ ASSERT_EFI_ERROR (Status);
+}
+
+/**
+ Retrieve additional information associated with a PCD token.
+
+ This includes information such as the type of value the TokenNumber is associated with as well as possible
+ human readable name that is associated with the token.
+
+ If TokenNumber is not in the token space specified by Guid, then ASSERT().
+
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.
+ @param[in] TokenNumber The PCD token number.
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.
+**/
+VOID
+EFIAPI
+LibPcdGetInfoEx (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ OUT PCD_INFO *PcdInfo
+ )
+{
+ EFI_STATUS Status;
+
+ Status = GetPiPcdInfoProtocolPointer()->GetInfo (Guid, TokenNumber, (EFI_PCD_INFO *) PcdInfo);
+ ASSERT_EFI_ERROR (Status);
+}
+
+/**
+ Retrieve the currently set SKU Id.
+
+ @return The currently set SKU Id. If the platform has not set at a SKU Id, then the
+ default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU
+ Id is returned.
+**/
+UINTN
+EFIAPI
+LibPcdGetSku (
+ VOID
+ )
+{
+ return GetPiPcdInfoProtocolPointer()->GetSku ();
+}
+
diff --git a/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.inf b/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.inf new file mode 100644 index 000000000..3d4d21b44 --- /dev/null +++ b/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.inf @@ -0,0 +1,63 @@ +## @file
+# Instance of PCD Library using PCD Protocol.
+#
+# There are two PCD protocols as follows:
+# 1) PCD_PROTOCOL
+# It is EDKII implementation which support Dynamic/DynamicEx Pcds.
+# 2) EFI_PCD_PROTOCOL
+# It is defined by PI specification 1.2, Vol 3 which only support dynamicEx
+# type Pcd.
+#
+# For dynamicEx type PCD, it is compatible between PCD_PROTOCOL and EFI_PCD_PROTOCOL.
+#
+# This library instance uses the PCD_PROTOCOL to handle dynamic PCD request and use
+# EFI_PCD_PROTOCOL to handle dynamicEx type PCD.
+#
+# Note: A driver of type DXE_RUNTIME_DRIVER and DXE_SMM_DRIVER can only use this DxePcdLib
+# in their initialization without any issues to access Dynamic and DynamicEx PCD. They can't
+# access Dynamic and DynamicEx PCD in the implementation of runtime services and SMI handlers.
+# Because EFI_PCD_PROTOCOL is DXE protocol that is not available in OS runtime phase.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = DxePcdLib
+ MODULE_UNI_FILE = DxePcdLib.uni
+ FILE_GUID = af97eb89-4cc6-45f8-a514-ca025b346480
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PcdLib|DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SMM_DRIVER SMM_CORE UEFI_APPLICATION UEFI_DRIVER
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ DxePcdLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+
+[LibraryClasses]
+ BaseMemoryLib
+ UefiBootServicesTableLib
+ DebugLib
+
+
+[Protocols]
+ gPcdProtocolGuid ## SOMETIMES_CONSUMES
+ gEfiPcdProtocolGuid ## CONSUMES
+ gGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
+ gEfiGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
+
+[Depex.common.DXE_DRIVER, Depex.common.DXE_RUNTIME_DRIVER, Depex.common.DXE_SAL_DRIVER, Depex.common.DXE_SMM_DRIVER]
+ gEfiPcdProtocolGuid
+
diff --git a/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.uni b/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.uni new file mode 100644 index 000000000..c48aea35d --- /dev/null +++ b/roms/edk2/MdePkg/Library/DxePcdLib/DxePcdLib.uni @@ -0,0 +1,26 @@ +// /** @file
+// Instance of PCD Library using PCD Protocol.
+//
+// There are two PCD protocols as follows:
+// 1) PCD_PROTOCOL
+// It is EDKII implementation which support Dynamic/DynamicEx Pcds.
+// 2) EFI_PCD_PROTOCOL
+// It is defined by PI specification 1.2, Vol 3 which only support dynamicEx
+// type Pcd.
+//
+// For dynamicEx type PCD, it is compatible between PCD_PROTOCOL and EFI_PCD_PROTOCOL.
+//
+// This library instance uses the PCD_PROTOCOL to handle dynamic PCD request and use
+// EFI_PCD_PROTOCOL to handle dynamicEx type PCD.
+//
+// Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "PCD Library using PCD Protocol"
+
+#string STR_MODULE_DESCRIPTION #language en-US "There are two PCD protocols: 1) PCD_PROTOCOL It is an EDKII implementation that supports Dynamic/DynamicEx PCDs. 2) EFI_PCD_PROTOCOL It is defined by PI Specification 1.2, Vol 3, which only support dynamicEx type PCD. For dynamicEx type PCDs, it is compatible between PCD_PROTOCOL and EFI_PCD_PROTOCOL. This library instance uses the PCD_PROTOCOL to handle dynamic PCD requests and uses EFI_PCD_PROTOCOL to handle DynamicEx type PCDs."
+
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