+++ /dev/null
-/** @file\r
-Implementation of PcdLib class library for DXE phase.\r
-\r
-Copyright (c) 2006, Intel Corporation<BR>\r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-\r
-Module Name: DxePcdLib.c\r
-\r
-**/\r
-\r
-static PCD_PROTOCOL *mPcd;\r
-\r
-/**\r
- The constructor function caches the PCD_PROTOCOL pointer.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
- @param[in] SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The constructor always return EFI_SUCCESS.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PcdLibConstructor (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = gBS->LocateProtocol (&gPcdProtocolGuid, NULL, (VOID **)&mPcd);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
- Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\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
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-LibPcdSetSku (\r
- IN UINTN SkuId\r
- )\r
-{\r
- ASSERT (SkuId < 0x100);\r
-\r
- mPcd->SetSku (SkuId);\r
-\r
- return SkuId;\r
-}\r
-\r
-\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
-\r
- @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-LibPcdGet8 (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->Get8 (TokenNumber);\r
-}\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
-\r
- @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-LibPcdGet16 (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->Get16 (TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the 32-bit value for the token specified by TokenNumber. \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
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-LibPcdGet32 (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->Get32 (TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the 64-bit value for the token specified by TokenNumber.\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
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-LibPcdGet64 (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->Get64 (TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the pointer to the buffer of the token specified by TokenNumber.\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
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-LibPcdGetPtr (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->GetPtr (TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the Boolean value of the token specified by TokenNumber. \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
-\r
-**/\r
-BOOLEAN \r
-EFIAPI\r
-LibPcdGetBool (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->GetBool (TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the size of the token specified by TokenNumber. \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
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-LibPcdGetSize (\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- return mPcd->GetSize (TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the 8-bit value for the token specified by TokenNumber and Guid.\r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-LibPcdGetEx8 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
- \r
- return mPcd->Get8Ex (Guid, TokenNumber);\r
-}\r
-\r
-\r
-/**\r
- Returns the 16-bit value for the token specified by TokenNumber and Guid.\r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-LibPcdGetEx16 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
-\r
- return mPcd->Get16Ex (Guid, TokenNumber);\r
-}\r
-\r
-\r
-/**\r
- Returns the 32-bit value for the token specified by TokenNumber and Guid.\r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-LibPcdGetEx32 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
-\r
- return mPcd->Get32Ex (Guid, TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the 64-bit value for the token specified by TokenNumber and Guid.\r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-LibPcdGetEx64 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
- \r
- return mPcd->Get64Ex (Guid, TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the pointer to the token specified by TokenNumber and Guid.\r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-LibPcdGetExPtr (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
-\r
- return mPcd->GetPtrEx (Guid, TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the Boolean value of the token specified by TokenNumber and Guid. \r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-LibPcdGetExBool (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
-\r
- return mPcd->GetBoolEx (Guid, TokenNumber);\r
-}\r
-\r
-\r
-\r
-/**\r
- Returns the size of the token specified by TokenNumber and Guid. \r
- If Guid is NULL, then ASSERT(). \r
-\r
- @param[in] Guid Pointer to a 128-bit unique value that designates \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
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-LibPcdGetExSize (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- ASSERT (Guid != NULL);\r
-\r
- return mPcd->GetSizeEx (Guid, TokenNumber);\r
-}\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
- \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
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-LibPcdSet8 (\r
- IN UINTN TokenNumber,\r
- IN UINT8 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = mPcd->Set8 (TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
- \r
- return Value;\r
-}\r
-\r
-\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
- \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
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-LibPcdSet16 (\r
- IN UINTN TokenNumber,\r
- IN UINT16 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = mPcd->Set16 (TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
- \r
- return Value;\r
-}\r
-\r
-\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
- \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
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-LibPcdSet32 (\r
- IN UINTN TokenNumber,\r
- IN UINT32 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
- Status = mPcd->Set32 (TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\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
- \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
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-LibPcdSet64 (\r
- IN UINTN TokenNumber,\r
- IN UINT64 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = mPcd->Set64 (TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\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
- \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
-\r
-**/\r
-\r
-VOID *\r
-EFIAPI\r
-LibPcdSetPtr (\r
- IN UINTN TokenNumber,\r
- IN OUT UINTN *SizeOfBuffer,\r
- IN VOID *Buffer\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (SizeOfBuffer != NULL);\r
-\r
- if (*SizeOfBuffer > 0) {\r
- ASSERT (Buffer != NULL);\r
- }\r
-\r
- Status = mPcd->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r
-\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- return Buffer;\r
-}\r
-\r
-\r
-\r
-/**\r
- Sets the Boolean value for the token specified by TokenNumber \r
- to the value specified by Value. Value is returned.\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
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-LibPcdSetBool (\r
- IN UINTN TokenNumber,\r
- IN BOOLEAN Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = mPcd->SetBool (TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\r
-\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
- \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
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-LibPcdSetEx8 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber,\r
- IN UINT8 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (Guid != NULL);\r
-\r
- Status = mPcd->Set8Ex (Guid, TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\r
-\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
- \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
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-LibPcdSetEx16 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber,\r
- IN UINT16 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (Guid != NULL);\r
-\r
- Status = mPcd->Set16Ex (Guid, TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\r
-\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
- \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
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-LibPcdSetEx32 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber,\r
- IN UINT32 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (Guid != NULL);\r
-\r
- Status = mPcd->Set32Ex (Guid, TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\r
-\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
- \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
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-LibPcdSetEx64 (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber,\r
- IN UINT64 Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (Guid != NULL);\r
-\r
- Status = mPcd->Set64Ex (Guid, TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\r
-\r
-/**\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, 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 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 OUT UINTN *SizeOfBuffer,\r
- IN VOID *Buffer\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (Guid != NULL);\r
-\r
- ASSERT (SizeOfBuffer != NULL);\r
-\r
- if (*SizeOfBuffer > 0) {\r
- ASSERT (Buffer != NULL);\r
- }\r
-\r
- Status = mPcd->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r
-\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- return Buffer;\r
-}\r
-\r
-\r
-\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
- \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
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-LibPcdSetExBool (\r
- IN CONST GUID *Guid,\r
- IN UINTN TokenNumber,\r
- IN BOOLEAN Value\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (Guid != NULL);\r
-\r
- Status = mPcd->SetBoolEx (Guid, TokenNumber, Value);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Value;\r
-}\r
-\r
-\r
-\r
-/**\r
- When the token specified by TokenNumber and Guid is set, \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
- @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] TokenNumber The PCD token number to monitor.\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
-LibPcdCallbackOnSet (\r
- IN CONST GUID *Guid, OPTIONAL\r
- IN UINTN TokenNumber,\r
- IN PCD_CALLBACK NotificationFunction\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (NotificationFunction != NULL);\r
-\r
- Status = mPcd->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return;\r
-}\r
-\r
-\r
-\r
-/**\r
- Disable a notification function that was established with LibPcdCallbackonSet().\r
- If NotificationFunction is NULL, then ASSERT().\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
-LibPcdCancelCallback (\r
- IN CONST GUID *Guid, OPTIONAL\r
- IN UINTN TokenNumber,\r
- IN PCD_CALLBACK NotificationFunction\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (NotificationFunction != NULL);\r
- \r
- Status = mPcd->CancelCallback (Guid, TokenNumber, NotificationFunction);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return;\r
-}\r
-\r
-\r
-\r
-/**\r
- Retrieves the next PCD token number from the token space specified by Guid. \r
- If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r
- then the first token number is returned. Otherwise, the token number that \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
-\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
-\r
-**/\r
-UINTN \r
-EFIAPI\r
-LibPcdGetNextToken (\r
- IN CONST GUID *Guid, OPTIONAL\r
- IN UINTN TokenNumber\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = mPcd->GetNextToken (Guid, &TokenNumber);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return 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] 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
-\r
- Status = mPcd->GetNextTokenSpace (&Guid);\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return (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
- 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
-\r
projects / mirror_edk2.git / blobdiff