//\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 Value. Value is returned.\r
- If Value is NULL, then ASSERT().\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
+ @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.\r
@param[in] Value A pointer to the buffer to set.\r
\r
@retval VOID* Return the pointer for the buffer been set.\r
VOID*\r
EFIAPI\r
LibPcdSetPtr (\r
- IN UINTN TokenNumber,\r
- IN UINTN SizeOfBuffer,\r
- IN VOID *Value\r
+ IN UINTN TokenNumber,\r
+ IN OUT UINTN *SizeOfBuffer,\r
+ IN VOID *Value\r
);\r
\r
\r
\r
\r
/**\r
- Sets a buffer for the token specified by TokenNumber and \r
- Guid to the value specified by Value. Value is returned.\r
+ Sets a buffer for the token specified by TokenNumber to the value specified by \r
+ Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r
+ the maximum size support by TokenNumber, then set SizeOfValue to the maximum size \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 Value 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
designates which namespace to set a value from.\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
- @param[in] Value The 8-bit value to set.\r
+ @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r
+ @param[in] Buffer A pointer to the buffer to set.\r
\r
- @retval VOID * Return the value been set.\r
+ @retval VOID * Return the pinter to the buffer been set.\r
\r
**/\r
VOID *\r
EFIAPI\r
LibPcdSetExPtr (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber,\r
- IN UINTN SizeOfBuffer,\r
- IN VOID *Value\r
+ IN CONST GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ IN OUT UINTN *SizeOfBuffer,\r
+ IN VOID *Buffer\r
);\r
\r
\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
IN UINTN TokenNumber\r
);\r
\r
+\r
+\r
+/**\r
+ Retrieves the next PCD token space from a token space specified by Guid.\r
+ Guid of NULL is reserved to mark the default local token namespace on the current\r
+ platform. If Guid is NULL, then the GUID of the first non-local token space of the \r
+ current platform is returned. If Guid is the last non-local token space, \r
+ then NULL is returned. \r
+\r
+ If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r
+\r
+\r
+ \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
+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