@param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r
set values associated with a PCD token.\r
\r
- @retval UINTN Return the SKU ID that just be set.\r
+ @retval SKU_ID Return the SKU ID that just be set.\r
\r
**/\r
UINTN\r
IN UINTN SkuId\r
)\r
{\r
- EFI_STATUS Status;\r
- PCD_PPI *PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
\r
+ ASSERT (SkuId < 0x100);\r
\r
- Status = PcdPpi->SetSku (SkuId);\r
- ASSERT_EFI_ERROR (Status);\r
+ GetPcdPpiPtr()->SetSku (SkuId);;\r
\r
return SkuId;\r
}\r
UINT8\r
EFIAPI\r
LibPcdGet8 (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI * PcdPpi;\r
UINT16\r
EFIAPI\r
LibPcdGet16 (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI *PcdPpi;\r
UINT32\r
EFIAPI\r
LibPcdGet32 (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI * PcdPpi;\r
UINT64\r
EFIAPI\r
LibPcdGet64 (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI * PcdPpi;\r
VOID *\r
EFIAPI\r
LibPcdGetPtr (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI * PcdPpi;\r
BOOLEAN \r
EFIAPI\r
LibPcdGetBool (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI * PcdPpi;\r
UINTN\r
EFIAPI\r
LibPcdGetSize (\r
- IN UINTN TokenNumber\r
+ IN UINTN TokenNumber\r
)\r
{\r
PCD_PPI * PcdPpi;\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
+ 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
+ \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 CONST VOID *Value\r
+ IN UINTN TokenNumber,\r
+ IN OUT UINTN *SizeOfBuffer,\r
+ IN VOID *Buffer\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
+ PCD_PPI *PcdPpi;\r
+ UINTN Size;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
+ ASSERT (SizeOfBuffer != NULL);\r
\r
+ if (*SizeOfBuffer > 0) {\r
+ ASSERT (Buffer != NULL);\r
+ }\r
\r
- Status = PcdPpi->SetPtr (TokenNumber, Value);\r
+ PcdPpi = GetPcdPpiPtr ();\r
+ \r
+ Size = LibPcdGetSize (TokenNumber);\r
+ \r
+ if (*SizeOfBuffer > Size) {\r
+ *SizeOfBuffer = Size;\r
+ return NULL;\r
+ }\r
+\r
+ Status = PcdPpi->SetPtr (TokenNumber, *SizeOfBuffer, Buffer);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
- return (VOID *)Value;\r
+ return Buffer;\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
- If Guid is NULL, then ASSERT().\r
- If Value is NULL, then ASSERT().\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 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 CONST VOID *Value\r
+ IN CONST GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ IN OUT UINTN *SizeOfBuffer,\r
+ IN VOID *Buffer\r
)\r
{\r
- EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
+ EFI_STATUS Status;\r
+ PCD_PPI *PcdPpi;\r
+ UINTN Size;\r
+\r
+ if (*SizeOfBuffer > 0) {\r
+ ASSERT (Buffer != NULL);\r
+ }\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
+ Size = LibPcdGetExSize (Guid, TokenNumber);\r
+ if (*SizeOfBuffer > Size) {\r
+ *SizeOfBuffer = Size;\r
+ return NULL;\r
+ }\r
\r
- Status = PcdPpi->SetPtrEx (Guid, TokenNumber, Value);\r
+ Status = PcdPpi->SetPtrEx (Guid, TokenNumber, *SizeOfBuffer, Buffer);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
- return (VOID *)Value;\r
+ return Buffer;\r
}\r
\r
\r
@param[in] The previous PCD token number. If 0, then retrieves the first PCD \r
token number.\r
\r
- @retval UINTN The next valid token number.\r
+ @retval UINTN The next valid token number.\r
\r
**/\r
-UINTN \r
+UINTN \r
EFIAPI\r
LibPcdGetNextToken (\r
IN CONST GUID *Guid, OPTIONAL\r
- IN OUT UINTN *TokenNumber\r
+ IN UINTN TokenNumber\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ PCD_PPI * PcdPpi;\r
+\r
+ PcdPpi = GetPcdPpiPtr ();\r
+\r
+\r
+ Status = PcdPpi->GetNextToken (Guid, &TokenNumber);\r
+\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return TokenNumber;\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] 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
EFI_STATUS Status;\r
PcdPpi = GetPcdPpiPtr ();\r
\r
\r
- Status = PcdPpi->GetNextToken (Guid, TokenNumber);\r
+ Status = PcdPpi->GetNextTokenSpace (&Guid);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
- return (*TokenNumber);\r
+ return (GUID *)Guid;\r
}\r
+\r
projects / mirror_edk2.git / blobdiff