WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
\r
-Module Name: PeiPcdLib.c\r
-\r
**/\r
\r
\r
\r
+\r
+#include <PiPei.h>\r
+\r
+#include <Ppi/Pcd.h>\r
+\r
+#include <Library/PeiServicesLib.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+\r
/**\r
- The constructor function retrieve the PCD_PPI pointer.\r
+ Retrieve the PCD_PPI pointer.\r
\r
- @param[in] VOID\r
+ This function is to locate PCD_PPI PPI via PeiService. \r
+ If fail to locate PCD_PPI, then ASSERT_EFI_ERROR().\r
\r
@retval PCD_PPI * The pointer to the PCD_PPI.\r
\r
**/\r
PCD_PPI *\r
-GetPcdPpiPtr (\r
+GetPcdPpiPointer (\r
VOID\r
) \r
{\r
EFI_STATUS Status;\r
PCD_PPI *PcdPpi;\r
- EFI_PEI_SERVICES **PeiServices;\r
-\r
-\r
- PeiServices = GetPeiServicesTablePointer ();\r
-\r
- Status = (**PeiServices).LocatePpi (\r
- PeiServices,\r
- &gPcdPpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&PcdPpi\r
- );\r
-\r
+ \r
+ Status = PeiServicesLocatePpi (&gPcdPpiGuid, 0, NULL, (VOID **)&PcdPpi);\r
ASSERT_EFI_ERROR (Status);\r
\r
return PcdPpi;\r
}\r
\r
-\r
-\r
/**\r
Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r
+ If SkuId not less than PCD_MAX_SKU_ID, then ASSERT().\r
+ \r
+ @param[in] SkuId System sku id. The SKU value that will be used when the PCD service will retrieve and \r
+ set values.\r
\r
- @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 SKU_ID Return the SKU ID that just be set.\r
+ @return Return the SKU ID that just be set.\r
\r
**/\r
UINTN\r
)\r
{\r
\r
- GetPcdPpiPtr()->SetSku (SkuId);;\r
+ ASSERT (SkuId < PCD_MAX_SKU_ID);\r
+\r
+ GetPcdPpiPointer()->SetSku (SkuId);\r
\r
return SkuId;\r
}\r
/**\r
Returns the 8-bit value for the token specified by TokenNumber. \r
\r
- @param[in] The PCD token number to retrieve a current value for.\r
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r
+ @return Returns the 8-bit value for the token specified by TokenNumber. \r
\r
**/\r
UINT8\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->Get8 (TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get8 (TokenNumber);\r
}\r
\r
\r
/**\r
Returns the 16-bit value for the token specified by TokenNumber. \r
\r
- @param[in] The PCD token number to retrieve a current value for.\r
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r
+ @return Returns the 16-bit value for the token specified by TokenNumber. \r
\r
**/\r
UINT16\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI *PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->Get16 (TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get16 (TokenNumber);\r
}\r
\r
\r
\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r
+ @return Returns the 32-bit value for the token specified by TokenNumber.\r
\r
**/\r
UINT32\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->Get32 (TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get32 (TokenNumber);\r
}\r
\r
\r
\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r
+ @return Returns the 64-bit value for the token specified by TokenNumber.\r
\r
**/\r
UINT64\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->Get64 (TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get64 (TokenNumber);\r
}\r
\r
\r
\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval VOID* Returns the pointer to the token specified by TokenNumber.\r
+ @return Returns the pointer to the token specified by TokenNumber.\r
\r
**/\r
VOID *\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->GetPtr (TokenNumber);\r
+ return (GetPcdPpiPointer ())->GetPtr (TokenNumber);\r
}\r
\r
\r
\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r
+ @return Returns the Boolean value of the token specified by TokenNumber. \r
\r
**/\r
BOOLEAN \r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->GetBool (TokenNumber);\r
+ return (GetPcdPpiPointer ())->GetBool (TokenNumber);\r
}\r
\r
\r
\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINTN Returns the size of the token specified by TokenNumber. \r
+ @return Returns the size of the token specified by TokenNumber. \r
\r
**/\r
UINTN\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->GetSize (TokenNumber);\r
+ return (GetPcdPpiPointer ())->GetSize (TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT8 Return the UINT8.\r
+ @return Return the UINT8.\r
\r
**/\r
UINT8\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
+ ASSERT (Guid != NULL);\r
\r
- return PcdPpi->Get8Ex (Guid, TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get8Ex (Guid, TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT16 Return the UINT16.\r
+ @return Return the UINT16.\r
\r
**/\r
UINT16\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
+ ASSERT (Guid != NULL);\r
\r
- return PcdPpi->Get16Ex (Guid, TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get16Ex (Guid, TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT32 Return the UINT32.\r
+ @return Return the UINT32.\r
\r
**/\r
UINT32\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
+ ASSERT (Guid != NULL);\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->Get32Ex (Guid, TokenNumber);\r
+ return (GetPcdPpiPointer ())->Get32Ex (Guid, TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINT64 Return the UINT64.\r
+ @return Return the UINT64.\r
\r
**/\r
UINT64\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->Get64Ex (Guid, TokenNumber);\r
+ ASSERT (Guid != NULL);\r
+ return (GetPcdPpiPointer ())->Get64Ex (Guid, TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval VOID* Return the VOID* pointer.\r
+ @return Return the VOID* pointer.\r
\r
**/\r
VOID *\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
+ ASSERT (Guid != NULL);\r
\r
- return PcdPpi->GetPtrEx (Guid, TokenNumber);\r
+ return (GetPcdPpiPointer ())->GetPtrEx (Guid, TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval BOOLEAN Return the BOOLEAN.\r
+ @return Return the BOOLEAN.\r
\r
**/\r
BOOLEAN\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->GetBoolEx (Guid, TokenNumber);\r
+ ASSERT (Guid != NULL);\r
+ return (GetPcdPpiPointer ())->GetBoolEx (Guid, TokenNumber);\r
}\r
\r
\r
which namespace to retrieve a value from.\r
@param[in] TokenNumber The PCD token number to retrieve a current value for.\r
\r
- @retval UINTN Return the size.\r
+ @return Return the size.\r
\r
**/\r
UINTN\r
IN UINTN TokenNumber\r
)\r
{\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- return PcdPpi->GetSizeEx (Guid, TokenNumber);\r
+ ASSERT (Guid != NULL);\r
+ return (GetPcdPpiPointer ())->GetSizeEx (Guid, TokenNumber);\r
}\r
\r
\r
/**\r
Sets the 8-bit value for the token specified by TokenNumber \r
to the value specified by Value. Value is returned.\r
+ If fail to set pcd value, then ASSERT_EFI_ERROR().\r
\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
\r
- @retval UINT8 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT8\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
-\r
- Status = PcdPpi->Set8 (TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set8 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
/**\r
Sets the 16-bit value for the token specified by TokenNumber \r
to the value specified by Value. Value is returned.\r
+ If fail to set pcd value, then ASSERT_EFI_ERROR().\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 16-bit value to set.\r
\r
- @retval UINT16 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT16\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
\r
- Status = PcdPpi->Set16 (TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set16 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
/**\r
Sets the 32-bit value for the token specified by TokenNumber \r
to the value specified by Value. Value is returned.\r
+ If fail to set pcd value, then ASSERT_EFI_ERROR().\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 32-bit value to set.\r
\r
- @retval UINT32 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT32\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
- Status = PcdPpi->Set32 (TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set32 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
/**\r
Sets the 64-bit value for the token specified by TokenNumber \r
to the value specified by Value. Value is returned.\r
+ If fail to set pcd value, then ASSERT_EFI_ERROR().\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 64-bit value to set.\r
\r
- @retval UINT64 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT64\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
\r
- Status = PcdPpi->Set64 (TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set64 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\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
+ the value specified by Buffer and SizeOfBuffer. 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
- @param[in] TokenNumber The PCD token number to set a current value for.\r
- @param[in] Value A pointer to the buffer to set.\r
+ If SizeOfBuffer is greater than the maximum \r
+ size support by TokenNumber, then set SizeOfBuffer 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 SizeOfBuffer > 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
+ In out, returns actual size of buffer is set.\r
+ @param[in] Buffer A pointer to the buffer to set.\r
\r
- @retval VOID* Return the pointer for the buffer been set.\r
+ @return Return the pointer for the buffer been set.\r
\r
**/\r
VOID *\r
EFIAPI\r
LibPcdSetPtr (\r
- IN UINTN TokenNumber,\r
- IN UINTN SizeOfBuffer,\r
- IN VOID *Buffer\r
+ IN UINTN TokenNumber,\r
+ IN OUT UINTN *SizeOfBuffer,\r
+ IN VOID *Buffer\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
+ ASSERT (SizeOfBuffer != NULL);\r
\r
+ if (*SizeOfBuffer > 0) {\r
+ ASSERT (Buffer != NULL);\r
+ }\r
+ \r
+ Status = (GetPcdPpiPointer ())->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r
\r
- Status = PcdPpi->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
\r
return Buffer;\r
}\r
/**\r
Sets the Boolean value for the token specified by TokenNumber \r
to the value specified by Value. Value is returned.\r
+ If fail to set pcd value, then ASSERT_EFI_ERROR().\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The boolean value to set.\r
\r
- @retval BOOLEAN Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
BOOLEAN\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
- Status = PcdPpi->SetBool (TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->SetBool (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
Sets the 8-bit value 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 fail to set pcd value, then ASSERT_EFI_ERROR().\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
\r
- @retval UINT8 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT8\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
\r
+ ASSERT (Guid != NULL);\r
\r
- Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set8Ex (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
Sets the 16-bit value 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 fail to set pcd value, then ASSERT_EFI_ERROR().\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 16-bit value to set.\r
\r
- @retval UINT8 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT16\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
-\r
- Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);\r
+ ASSERT (Guid != NULL);\r
+ Status = (GetPcdPpiPointer ())->Set16Ex (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
Sets the 32-bit value 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 fail to set pcd value, then ASSERT_EFI_ERROR().\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 32-bit value to set.\r
\r
- @retval UINT32 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT32\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
\r
+ ASSERT (Guid != NULL);\r
\r
- Status = PcdPpi->Set32Ex (Guid, TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set32Ex (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
Sets the 64-bit value 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 fail to set pcd value, then ASSERT_EFI_ERROR().\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 64-bit value to set.\r
\r
- @retval UINT64 Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
UINT64\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
+ ASSERT (Guid != NULL);\r
\r
-\r
- Status = PcdPpi->Set64Ex (Guid, TokenNumber, Value);\r
+ Status = (GetPcdPpiPointer ())->Set64Ex (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\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 SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r
+ the maximum size support by TokenNumber, then set SizeOfBuffer 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 SizeOfBuffer > 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
+ In out, returns actual size of buffer is set.\r
+ @param[in] Buffer A pointer to the buffer to set.\r
\r
- @retval VOID * Return the value been set.\r
+ @return 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 *Buffer\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
+ ASSERT (SizeOfBuffer != NULL);\r
+ if (*SizeOfBuffer > 0) {\r
+ ASSERT (Buffer != NULL);\r
+ }\r
+ ASSERT (Guid != NULL);\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
+ Status = (GetPcdPpiPointer ())->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r
\r
- Status = PcdPpi->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
\r
return Buffer;\r
}\r
Sets the Boolean value 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 fail to set pcd value, then ASSERT_EFI_ERROR().\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 Boolean value to set.\r
\r
- @retval Boolean Return the value been set.\r
+ @return Return the value been set.\r
\r
**/\r
BOOLEAN\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
\r
- Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);\r
+ ASSERT (Guid != NULL);\r
+ Status = (GetPcdPpiPointer ())->SetBoolEx (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
then notification function specified by NotificationFunction is called. \r
If Guid is NULL, then the default token space is used. \r
If NotificationFunction is NULL, then ASSERT().\r
-\r
+ If fail to set callback, then ASSERT_EFI_ERROR().\r
@param[in] Guid Pointer to a 128-bit unique value that designates which \r
namespace to set a value from. If NULL, then the default \r
token space is used.\r
@param[in] NotificationFunction The function to call when the token \r
specified by Guid and TokenNumber is set.\r
\r
- @retval VOID\r
-\r
**/\r
VOID\r
EFIAPI\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
-\r
- PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
- Status = PcdPpi->CallbackOnSet (TokenNumber, Guid, NotificationFunction);\r
+ Status = (GetPcdPpiPointer ())->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
/**\r
Disable a notification function that was established with LibPcdCallbackonSet().\r
If NotificationFunction is NULL, then ASSERT().\r
-\r
+ If fail to cancel callback, then ASSERT_EFI_ERROR().\r
+ \r
@param[in] Guid Specify the GUID token space.\r
@param[in] TokenNumber Specify the token number.\r
@param[in] NotificationFunction The callback function to be unregistered.\r
\r
- @retval VOID\r
-\r
**/\r
VOID\r
EFIAPI\r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
-\r
-\r
- Status = PcdPpi->CancelCallback (TokenNumber, Guid, NotificationFunction);\r
+ Status = (GetPcdPpiPointer ())->CancelCallback (Guid, TokenNumber, NotificationFunction);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
follows TokenNumber in the token space is returned. If TokenNumber is the last \r
token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r
is not in the token space specified by Guid, then ASSERT().\r
+ If fail to get token in given token space, then ASSERT_EFI_ERROR().\r
+ \r
+ @param[in] Guid Pointer to a 128-bit unique value that designates which namespace \r
+ to set a value from. If NULL, then the default token space is used.\r
+ @param[in] TokenNumber The previous PCD token number. If 0, then retrieves the first PCD \r
+ token number.\r
\r
- @param[in] Pointer to a 128-bit unique value that designates which namespace \r
- to set a value from. If NULL, then the default token space is used.\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
+ @return The next valid token number.\r
\r
**/\r
UINTN \r
)\r
{\r
EFI_STATUS Status;\r
- PCD_PPI * PcdPpi;\r
\r
- PcdPpi = GetPcdPpiPtr ();\r
+ Status = (GetPcdPpiPointer ())->GetNextToken (Guid, &TokenNumber);\r
+\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return TokenNumber;\r
+}\r
+\r
+\r
+/**\r
+ Used to retrieve the list of available PCD token space GUIDs.\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
+ If fail to get next token space, then ASSERT_EFI_ERROR().\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
- Status = PcdPpi->GetNextToken (Guid, &TokenNumber);\r
+ @return The next valid token namespace.\r
+\r
+**/\r
+GUID * \r
+EFIAPI\r
+LibPcdGetNextTokenSpace (\r
+ IN CONST GUID *TokenSpaceGuid\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ Status = (GetPcdPpiPointer ())->GetNextTokenSpace (&TokenSpaceGuid);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
- return TokenNumber;\r
+ return (GUID *) TokenSpaceGuid;\r
+}\r
+\r
+\r
+\r
+/**\r
+ Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r
+ and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r
+ MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return \r
+ NULL to indicate that the set operation was not actually performed. \r
+ If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to \r
+ MaximumDatumSize and NULL must be returned.\r
+ \r
+ If PatchVariable is NULL, then ASSERT().\r
+ If SizeOfBuffer is NULL, then ASSERT().\r
+ If SizeOfBuffer > 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
+ In out, returns actual size of buffer is set.\r
+ @param[in] Buffer A pointer to the buffer to used to set the target variable.\r
+ \r
+ @return Return the pinter to the buffer been set.\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
+ ASSERT (PatchVariable != NULL);\r
+ ASSERT (SizeOfBuffer != NULL);\r
+ \r
+ if (*SizeOfBuffer > 0) {\r
+ ASSERT (Buffer != NULL);\r
+ }\r
+\r
+ if ((*SizeOfBuffer > MaximumDatumSize) ||\r
+ (*SizeOfBuffer == MAX_ADDRESS)) {\r
+ *SizeOfBuffer = MaximumDatumSize;\r
+ return NULL;\r
+ }\r
+ \r
+ CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r
+ \r
+ return (VOID *) Buffer;\r
}\r
+\r
+\r
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