//\r
// Feature Flag is in the form of a global constant\r
//\r
-#define FeaturePcdGet(TokenName) _PCD_VALUE_##TokenName\r
+#define FeaturePcdGet(TokenName) _PCD_GET_MODE_BOOL_##TokenName\r
\r
\r
//\r
#define FixedPcdGetBool(TokenName) _PCD_VALUE_##TokenName\r
\r
\r
-//\r
-// BugBug: This works for strings, but not constants.\r
-//\r
#define FixedPcdGetPtr(TokenName) ((VOID *)_PCD_VALUE_##TokenName)\r
\r
\r
#define PatchPcdSet64(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))\r
#define PatchPcdSetBool(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value))\r
#define PatchPcdSetPtr(TokenName, Size, Buffer) \\r
- CopyMem (_gPcd_BinaryPatch_##TokenName, (Buffer), (Size))\r
+ LibPatchPcdSetPtr ( \\r
+ _gPcd_BinaryPatch_##TokenName, \\r
+ (UINTN)_PCD_PATCHABLE_##TokenName##_SIZE, \\r
+ (Size), \\r
+ (Buffer) \\r
+ )\r
\r
//\r
// Dynamic is via the protocol with only the TokenNumber as argument\r
\r
\r
/**\r
- Sets a buffer for the token specified by TokenNumber to \r
- the value specified by Buffer and SizeOfValue. Buffer to\r
- be set is returned. The content of the buffer could be \r
- overwritten if a Callback on SET is registered with this\r
- TokenNumber.\r
- \r
- If SizeOfValue is greater than the maximum \r
- size support by TokenNumber, then set SizeOfValue to the \r
- maximum size supported by TokenNumber and return NULL to \r
- indicate that the set operation was not actually performed. \r
+ Sets a buffer for the token specified by TokenNumber to the value \r
+ specified by Buffer and SizeOfValue. Buffer is returned. \r
+ If SizeOfValue is greater than the maximum size support by TokenNumber, \r
+ then set SizeOfValue to the maximum size supported by TokenNumber and \r
+ return NULL to indicate that the set operation was not actually performed. \r
+\r
+ If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to the \r
+ maximum size supported by TokenName and NULL must be returned.\r
\r
+ If SizeOfValue is NULL, then ASSERT().\r
If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
supported by TokenNumber and return NULL to indicate that the set operation \r
was not actually performed. \r
\r
+ If Guid is NULL, then ASSERT().\r
+ If SizeOfValue is NULL, then ASSERT().\r
If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r
\r
@param[in] Guid Pointer to a 128-bit unique value that \r
If Guid is NULL, then the default token space is used. \r
If NotificationFunction is NULL, then ASSERT().\r
\r
+ This notification function serves two purposes. Firstly, it notifies the module which \r
+ did the registration that the value of this PCD token has been set. Secondly, \r
+ it provides a mechanism for the module which did the registration to intercept \r
+ the set operation and override the value been set if necessary. After the invocation \r
+ of the callback function, TokenData will be used by PCD service PEIM or driver to \r
+ modify the internal data in PCD database. \r
+\r
+\r
@param[in] CallBackGuid The PCD token GUID being set.\r
@param[in] CallBackToken The PCD token number being set.\r
- @param[in] TokenData A pointer to the token data being set.\r
+ @param[in, out] TokenData A pointer to the token data being set.\r
@param[in] TokenDataSize The size, in bytes, of the data being set.\r
\r
@retval VOID\r
\r
\r
\r
- @param[in] Pointer to a 128-bit unique value that designates from which namespace \r
+ @param[in] Guid Pointer to a 128-bit unique value that designates from which namespace \r
to start the search.\r
\r
@retval CONST GUID * The next valid token namespace.\r
\r
**/\r
-\r
-CONST GUID* \r
+GUID * \r
EFIAPI\r
LibPcdGetNextTokenSpace (\r
IN CONST GUID *Guid\r
);\r
\r
+\r
+/**\r
+ Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r
+ and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r
+ MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return \r
+ NULL to indicate that the set operation was not actually performed. \r
+ If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to \r
+ MaximumDatumSize and NULL must be returned.\r
+ \r
+ If PatchVariable is NULL, then ASSERT().\r
+ If SizeOfValue is NULL, then ASSERT().\r
+ If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r
+\r
+ @param[in] PatchVariable A pointer to the global variable in a module that is \r
+ the target of the set operation.\r
+ @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r
+ @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r
+ @param[in] Buffer A pointer to the buffer to used to set the target variable.\r
+\r
+**/\r
+VOID *\r
+EFIAPI\r
+LibPatchPcdSetPtr (\r
+ IN VOID *PatchVariable,\r
+ IN UINTN MaximumDatumSize,\r
+ IN OUT UINTN *SizeOfBuffer,\r
+ IN CONST VOID *Buffer\r
+ );\r
+\r
#endif\r
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