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/PeiServicesTablePointerLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+\r
/**\r
The constructor function retrieve the PCD_PPI pointer.\r
\r
- @param[in] VOID\r
- \r
@retval PCD_PPI * The pointer to the PCD_PPI.\r
\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
\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
\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
\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->Get8Ex (Guid, TokenNumber);\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->Get16Ex (Guid, TokenNumber);\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->Get32Ex (Guid, TokenNumber);\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->Get64Ex (Guid, TokenNumber);\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->GetPtrEx (Guid, TokenNumber);\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->GetBoolEx (Guid, TokenNumber);\r
{\r
PCD_PPI * PcdPpi;\r
\r
+ ASSERT (Guid != NULL);\r
+\r
PcdPpi = GetPcdPpiPtr ();\r
\r
return PcdPpi->GetSizeEx (Guid, TokenNumber);\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
Status = PcdPpi->Set8 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
Status = PcdPpi->Set16 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
Status = PcdPpi->Set64 (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\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
+ @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] Buffer A pointer to the buffer to set.\r
\r
@retval VOID* Return the pointer for the buffer been set.\r
\r
{\r
EFI_STATUS Status;\r
PCD_PPI *PcdPpi;\r
- UINTN Size;\r
\r
ASSERT (SizeOfBuffer != NULL);\r
\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
- Size = LibPcdGetSize (TokenNumber);\r
- \r
- if (*SizeOfBuffer > Size) {\r
- *SizeOfBuffer = Size;\r
+ Status = PcdPpi->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r
+\r
+ if (EFI_ERROR (Status)) {\r
return NULL;\r
}\r
\r
- Status = PcdPpi->SetPtr (TokenNumber, *SizeOfBuffer, Buffer);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
return Buffer;\r
}\r
\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
Status = PcdPpi->SetBool (TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
+ ASSERT (Guid != NULL);\r
\r
Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);\r
\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
+ ASSERT (Guid != NULL);\r
Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
{\r
EFI_STATUS Status;\r
PCD_PPI * PcdPpi;\r
-\r
+ ASSERT (Guid != NULL);\r
PcdPpi = GetPcdPpiPtr ();\r
\r
\r
{\r
EFI_STATUS Status;\r
PCD_PPI * PcdPpi;\r
-\r
+ ASSERT (Guid != NULL);\r
PcdPpi = GetPcdPpiPtr ();\r
\r
\r
{\r
EFI_STATUS Status;\r
PCD_PPI *PcdPpi;\r
- UINTN Size;\r
-\r
+ ASSERT (SizeOfBuffer != NULL);\r
if (*SizeOfBuffer > 0) {\r
ASSERT (Buffer != NULL);\r
}\r
-\r
+ ASSERT (Guid != NULL);\r
PcdPpi = GetPcdPpiPtr ();\r
\r
- Size = LibPcdGetExSize (Guid, TokenNumber);\r
- if (*SizeOfBuffer > Size) {\r
- *SizeOfBuffer = Size;\r
+ Status = PcdPpi->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r
+\r
+ if (EFI_ERROR (Status)) {\r
return NULL;\r
}\r
\r
- Status = PcdPpi->SetPtrEx (Guid, TokenNumber, *SizeOfBuffer, Buffer);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
return Buffer;\r
}\r
\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
-\r
+ ASSERT (Guid != NULL);\r
Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);\r
\r
ASSERT_EFI_ERROR (Status);\r
PcdPpi = GetPcdPpiPtr ();\r
\r
\r
- Status = PcdPpi->CallbackOnSet (TokenNumber, Guid, NotificationFunction);\r
+ Status = PcdPpi->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r
\r
ASSERT_EFI_ERROR (Status);\r
\r
PcdPpi = GetPcdPpiPtr ();\r
\r
\r
- Status = PcdPpi->CancelCallback (TokenNumber, Guid, NotificationFunction);\r
+ Status = PcdPpi->CancelCallback (Guid, TokenNumber, NotificationFunction);\r
\r
ASSERT_EFI_ERROR (Status);\r
\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
\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
+ @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
@retval UINTN The next valid token number.\r
\r
\r
\r
\r
- @param[in] Pointer to a 128-bit unique value that designates from which namespace \r
- to start the search.\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
return (GUID *)Guid;\r
}\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
+ 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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