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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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85
MdePkg/Include/Library/PcdLib.h
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@ -1516,4 +1516,89 @@ LibPatchPcdSetPtr (
IN CONST VOID *Buffer
);
typedef enum {
PCD_TYPE_8,
PCD_TYPE_16,
PCD_TYPE_32,
PCD_TYPE_64,
PCD_TYPE_BOOL,
PCD_TYPE_PTR
} PCD_TYPE;
typedef struct {
///
/// The returned information associated with the requested TokenNumber. If
/// TokenNumber is 0, then PcdType is set to PCD_TYPE_8.
///
PCD_TYPE PcdType;
///
/// The size of the data in bytes associated with the TokenNumber specified. If
/// TokenNumber is 0, then PcdSize is set 0.
///
UINTN PcdSize;
///
/// The null-terminated ASCII string associated with a given token. If the
/// TokenNumber specified was 0, then this field corresponds to the null-terminated
/// ASCII string associated with the token's namespace Guid. If NULL, there is no
/// name associated with this request.
///
CHAR8 *PcdName;
} PCD_INFO;
/**
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
);
/**
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
);
/**
Retrieve the currently set SKU Id.
If the sku id got >= PCD_MAX_SKU_ID, then ASSERT().
@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
);
#endif