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MdePkg and MdeModulePkg Pcd: Add the new EFI_GET_PCD_INFO_PROTOCOL and EFI_GET_PCD_INFO_PPI support for PI 1.2.1 compliance.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14866 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2013-11-20 00:44:25 +00:00
committed by lzeng14
parent 14b5e3fd78
commit 96d6d004aa
21 changed files with 1833 additions and 84 deletions
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99
MdeModulePkg/Universal/PCD/Pei/Service.h
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@ -19,6 +19,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Ppi/ReadOnlyVariable2.h>
#include <Ppi/Pcd.h>
#include <Ppi/PiPcd.h>
#include <Ppi/PcdInfo.h>
#include <Ppi/PiPcdInfo.h>
#include <Guid/PcdDataBaseHobGuid.h>
#include <Guid/PcdDataBaseSignatureGuid.h>
#include <Library/DebugLib.h>
@ -28,7 +30,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/PeiServicesLib.h>
#include <Library/PcdLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
//
// Please make sure the PCD Serivce PEIM Version is consistent with
@ -43,6 +45,61 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#error "Please make sure the version of PCD PEIM Service and the generated PCD PEI Database match."
#endif
/**
Retrieve additional information associated with a PCD token in the default token space.
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.
@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.
@retval EFI_SUCCESS The PCD information was returned successfully.
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.
**/
EFI_STATUS
EFIAPI
PeiGetPcdInfoGetInfo (
IN UINTN TokenNumber,
OUT EFI_PCD_INFO *PcdInfo
);
/**
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.
@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.
@retval EFI_SUCCESS The PCD information was returned successfully.
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.
**/
EFI_STATUS
EFIAPI
PeiGetPcdInfoGetInfoEx (
IN CONST EFI_GUID *Guid,
IN UINTN TokenNumber,
OUT EFI_PCD_INFO *PcdInfo
);
/**
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
PeiGetPcdInfoGetSku (
VOID
);
//
// PPI Interface Implementation Declaration.
//
@ -753,6 +810,27 @@ PeiPcdGetNextTokenSpace (
IN OUT CONST EFI_GUID **Guid
);
/**
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.
@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.
@retval EFI_SUCCESS The PCD information was returned successfully
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.
**/
EFI_STATUS
EFIAPI
PeiGetPcdInfo (
IN CONST EFI_GUID *Guid,
IN UINTN TokenNumber,
OUT EFI_PCD_INFO *PcdInfo
);
/* Internal Function definitions */
/**
@ -915,6 +993,21 @@ GetExPcdTokenNumber (
IN UINTN ExTokenNumber
);
/**
Find the local token number according to system SKU ID.
@param LocalTokenNumber PCD token number
@param Size The size of PCD entry.
@return Token number according to system SKU ID.
**/
UINT32
GetSkuEnabledTokenNumber (
UINT32 LocalTokenNumber,
UINTN Size
);
/**
The function registers the CallBackOnSet fucntion
according to TokenNumber and EFI_GUID space.
@ -942,8 +1035,10 @@ PeiRegisterCallBackWorker (
@param FileHandle Handle of the file the external PCD database binary located.
@return Pointer to PCD database.
**/
VOID
PEI_PCD_DATABASE *
BuildPcdDatabase (
IN EFI_PEI_FILE_HANDLE FileHandle
);