+++ /dev/null
-/** @file\r
- Framework PEIM to provide the Variable functionality\r
- \r
-Copyright (c) 2006 - 2009 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
-Module Name:\r
-\r
-**/\r
-\r
-\r
-#include "Variable.h"\r
-\r
-//\r
-// Module globals\r
-//\r
-EFI_PEI_READ_ONLY_VARIABLE_PPI mVariablePpi = {\r
- PeiGetVariable,\r
- PeiGetNextVariableName\r
-};\r
-\r
-EFI_PEI_READ_ONLY_VARIABLE2_PPI mVariable2Ppi = {\r
- PeiGetVariable2,\r
- PeiGetNextVariableName2\r
-};\r
-\r
-EFI_PEI_PPI_DESCRIPTOR mPpiListVariable[] = {\r
- {\r
- (EFI_PEI_PPI_DESCRIPTOR_PPI),\r
- &gEfiPeiReadOnlyVariable2PpiGuid,\r
- &mVariable2Ppi\r
- },\r
- {\r
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
- &gEfiPeiReadOnlyVariablePpiGuid,\r
- &mVariablePpi\r
- }\r
-};\r
-\r
-EFI_GUID mEfiVariableIndexTableGuid = EFI_VARIABLE_INDEX_TABLE_GUID;\r
-\r
-/**\r
- Provide the functionality of the variable services.\r
-\r
- @param FileHandle Handle of the file being invoked.\r
- @param PeiServices Describes the list of possible PEI Services.\r
-\r
- @return EFI_SUCCESS If the interface could be successfully installed.\r
- @return EFI_UNSUPPORTED If current boot path is in recovery mode, then does not\r
- install this interface.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PeimInitializeVariableServices (\r
- IN EFI_PEI_FILE_HANDLE FileHandle,\r
- IN CONST EFI_PEI_SERVICES **PeiServices\r
- )\r
-{\r
- EFI_BOOT_MODE BootMode;\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Check if this is recovery boot path. If no, publish the variable access capability\r
- // to other modules. If yes, the content of variable area is not reliable. Therefore,\r
- // in this case we should not provide variable service to other pei modules. \r
- // \r
- Status = (*PeiServices)->GetBootMode (PeiServices, &BootMode);\r
- ASSERT_EFI_ERROR (Status);\r
- \r
- if (BootMode == BOOT_IN_RECOVERY_MODE) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- \r
- return (**PeiServices).InstallPpi (PeiServices, &mPpiListVariable[0]);\r
-\r
-}\r
-\r
-/**\r
- This code gets the pointer to the first variable memory pointer byte\r
-\r
- @param VarStoreHeader Pointer to the Variable Store Header.\r
-\r
- @return VARIABLE_HEADER* Pointer to last unavailable Variable Header\r
-\r
-**/\r
-VARIABLE_HEADER *\r
-GetStartPointer (\r
- IN VARIABLE_STORE_HEADER *VarStoreHeader\r
- )\r
-{\r
- //\r
- // The end of variable store\r
- //\r
- return (VARIABLE_HEADER *) HEADER_ALIGN (VarStoreHeader + 1);\r
-}\r
-\r
-/**\r
- This code gets the pointer to the last variable memory pointer byte\r
-\r
- @param VarStoreHeader Pointer to the Variable Store Header.\r
-\r
- @return VARIABLE_HEADER* Pointer to last unavailable Variable Header\r
-\r
-**/\r
-VARIABLE_HEADER *\r
-GetEndPointer (\r
- IN VARIABLE_STORE_HEADER *VarStoreHeader\r
- )\r
-\r
-{\r
- //\r
- // The end of variable store\r
- //\r
- return (VARIABLE_HEADER *) HEADER_ALIGN ((UINTN) VarStoreHeader + VarStoreHeader->Size);\r
-}\r
-\r
-/**\r
-\r
- This code checks if variable header is valid or not.\r
-\r
- @param Variable Pointer to the Variable Header.\r
-\r
- @retval TRUE Variable header is valid.\r
- @retval FALSE Variable header is not valid.\r
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-IsValidVariableHeader (\r
- IN VARIABLE_HEADER *Variable\r
- )\r
-{\r
- if (Variable == NULL || Variable->StartId != VARIABLE_DATA ) {\r
- return FALSE;\r
- }\r
-\r
- return TRUE;\r
-}\r
-\r
-/**\r
- This code gets the size of name of variable.\r
-\r
- @param Variable Pointer to the Variable Header.\r
-\r
- @return UINTN Size of variable in bytes\r
-\r
-**/\r
-UINTN\r
-NameSizeOfVariable (\r
- IN VARIABLE_HEADER *Variable\r
- )\r
-{\r
- if (Variable->State == (UINT8) (-1) ||\r
- Variable->DataSize == (UINT32) -1 ||\r
- Variable->NameSize == (UINT32) -1 ||\r
- Variable->Attributes == (UINT32) -1) {\r
- return 0;\r
- }\r
- return (UINTN) Variable->NameSize;\r
-}\r
-\r
-/**\r
- This code gets the size of name of variable.\r
-\r
- @param Variable Pointer to the Variable Header.\r
-\r
- @return UINTN Size of variable in bytes\r
-\r
-**/\r
-UINTN\r
-DataSizeOfVariable (\r
- IN VARIABLE_HEADER *Variable\r
- )\r
-{\r
- if (Variable->State == (UINT8) -1 ||\r
- Variable->DataSize == (UINT32) -1 ||\r
- Variable->NameSize == (UINT32) -1 ||\r
- Variable->Attributes == (UINT32) -1) {\r
- return 0;\r
- }\r
- return (UINTN) Variable->DataSize;\r
-}\r
-\r
-/**\r
- This code gets the pointer to the variable name.\r
-\r
- @param Variable Pointer to the Variable Header.\r
-\r
- @return CHAR16* Pointer to Variable Name\r
-\r
-**/\r
-CHAR16 *\r
-GetVariableNamePtr (\r
- IN VARIABLE_HEADER *Variable\r
- )\r
-\r
-{\r
-\r
- return (CHAR16 *) (Variable + 1);\r
-}\r
-\r
-/**\r
- This code gets the pointer to the variable data.\r
-\r
- @param Variable Pointer to the Variable Header.\r
-\r
- @return UINT8* Pointer to Variable Data\r
-\r
-**/\r
-UINT8 *\r
-GetVariableDataPtr (\r
- IN VARIABLE_HEADER *Variable\r
- )\r
-{\r
- UINTN Value;\r
- \r
- //\r
- // Be careful about pad size for alignment\r
- //\r
- Value = (UINTN) GetVariableNamePtr (Variable);\r
- Value += NameSizeOfVariable (Variable);\r
- Value += GET_PAD_SIZE (NameSizeOfVariable (Variable));\r
-\r
- return (UINT8 *) Value;\r
-}\r
-\r
-/**\r
- This code gets the pointer to the next variable header.\r
-\r
- @param Variable Pointer to the Variable Header.\r
-\r
- @return VARIABLE_HEADER* Pointer to next variable header.\r
-\r
-**/\r
-VARIABLE_HEADER *\r
-GetNextVariablePtr (\r
- IN VARIABLE_HEADER *Variable\r
- )\r
-\r
-{\r
- UINTN Value;\r
-\r
- if (!IsValidVariableHeader (Variable)) {\r
- return NULL;\r
- }\r
-\r
- Value = (UINTN) GetVariableDataPtr (Variable);\r
- Value += DataSizeOfVariable (Variable);\r
- Value += GET_PAD_SIZE (DataSizeOfVariable (Variable));\r
-\r
- //\r
- // Be careful about pad size for alignment\r
- //\r
- return (VARIABLE_HEADER *) HEADER_ALIGN (Value);\r
-}\r
-\r
-/**\r
- This code gets the pointer to the variable name.\r
-\r
- @param VarStoreHeader Pointer to the Variable Store Header.\r
-\r
- @retval EfiRaw Variable store is raw\r
- @retval EfiValid Variable store is valid\r
- @retval EfiInvalid Variable store is invalid\r
-\r
-**/\r
-VARIABLE_STORE_STATUS\r
-EFIAPI\r
-GetVariableStoreStatus (\r
- IN VARIABLE_STORE_HEADER *VarStoreHeader\r
- )\r
-\r
-{\r
- \r
- if (CompareGuid (&VarStoreHeader->Signature, &gEfiVariableGuid) &&\r
- VarStoreHeader->Format == VARIABLE_STORE_FORMATTED &&\r
- VarStoreHeader->State == VARIABLE_STORE_HEALTHY\r
- ) {\r
-\r
- return EfiValid;\r
- }\r
-\r
- if (((UINT32 *)(&VarStoreHeader->Signature))[0] == 0xffffffff &&\r
- ((UINT32 *)(&VarStoreHeader->Signature))[1] == 0xffffffff &&\r
- ((UINT32 *)(&VarStoreHeader->Signature))[2] == 0xffffffff &&\r
- ((UINT32 *)(&VarStoreHeader->Signature))[3] == 0xffffffff &&\r
- VarStoreHeader->Size == 0xffffffff &&\r
- VarStoreHeader->Format == 0xff &&\r
- VarStoreHeader->State == 0xff\r
- ) {\r
-\r
- return EfiRaw;\r
- } else {\r
- return EfiInvalid;\r
- }\r
-}\r
-\r
-/**\r
- This function compares a variable with variable entries in database\r
-\r
- @param Variable - Pointer to the variable in our database\r
- @param VariableName - Name of the variable to compare to 'Variable'\r
- @param VendorGuid - GUID of the variable to compare to 'Variable'\r
- @param PtrTrack - Variable Track Pointer structure that contains\r
- Variable Information.\r
-\r
- @retval EFI_SUCCESS - Found match variable\r
- @retval EFI_NOT_FOUND - Variable not found\r
-\r
-**/\r
-EFI_STATUS\r
-CompareWithValidVariable (\r
- IN VARIABLE_HEADER *Variable,\r
- IN CONST CHAR16 *VariableName,\r
- IN CONST EFI_GUID *VendorGuid,\r
- OUT VARIABLE_POINTER_TRACK *PtrTrack\r
- )\r
-\r
-{\r
- VOID *Point;\r
-\r
- if (VariableName[0] == 0) {\r
- PtrTrack->CurrPtr = Variable;\r
- return EFI_SUCCESS;\r
- } else {\r
- //\r
- // Don't use CompareGuid function here for performance reasons.\r
- // Instead we compare the GUID a UINT32 at a time and branch\r
- // on the first failed comparison.\r
- //\r
- if ((((INT32 *) VendorGuid)[0] == ((INT32 *) &Variable->VendorGuid)[0]) &&\r
- (((INT32 *) VendorGuid)[1] == ((INT32 *) &Variable->VendorGuid)[1]) &&\r
- (((INT32 *) VendorGuid)[2] == ((INT32 *) &Variable->VendorGuid)[2]) &&\r
- (((INT32 *) VendorGuid)[3] == ((INT32 *) &Variable->VendorGuid)[3])\r
- ) {\r
- ASSERT (NameSizeOfVariable (Variable) != 0);\r
- Point = (VOID *) GetVariableNamePtr (Variable);\r
- if (!CompareMem (VariableName, Point, NameSizeOfVariable (Variable))) {\r
- PtrTrack->CurrPtr = Variable;\r
- return EFI_SUCCESS;\r
- }\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-/**\r
- This code finds variable in storage blocks (Non-Volatile)\r
-\r
- @param PeiServices - General purpose services available to every PEIM.\r
- @param VariableName - Name of the variable to be found\r
- @param VendorGuid - Vendor GUID to be found.\r
- @param PtrTrack - Variable Track Pointer structure that contains\r
- Variable Information.\r
-\r
- @retval EFI_SUCCESS - Variable found successfully\r
- @retval EFI_NOT_FOUND - Variable not found\r
- @retval EFI_INVALID_PARAMETER - Invalid variable name\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-FindVariable (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN CONST CHAR16 *VariableName,\r
- IN CONST EFI_GUID *VendorGuid,\r
- OUT VARIABLE_POINTER_TRACK *PtrTrack\r
- )\r
-\r
-{\r
- EFI_HOB_GUID_TYPE *GuidHob;\r
- VARIABLE_STORE_HEADER *VariableStoreHeader;\r
- VARIABLE_HEADER *Variable;\r
- VARIABLE_HEADER *MaxIndex;\r
- VARIABLE_INDEX_TABLE *IndexTable;\r
- UINT32 Count;\r
- UINT8 *VariableBase;\r
-\r
- if (VariableName[0] != 0 && VendorGuid == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // No Variable Address equals zero, so 0 as initial value is safe.\r
- //\r
- MaxIndex = 0;\r
-\r
- GuidHob = GetFirstGuidHob (&mEfiVariableIndexTableGuid);\r
- if (GuidHob == NULL) {\r
- IndexTable = BuildGuidHob (&mEfiVariableIndexTableGuid, sizeof (VARIABLE_INDEX_TABLE));\r
- IndexTable->Length = 0;\r
- IndexTable->StartPtr = NULL;\r
- IndexTable->EndPtr = NULL;\r
- IndexTable->GoneThrough = 0;\r
- } else {\r
- IndexTable = GET_GUID_HOB_DATA (GuidHob);\r
- for (Count = 0; Count < IndexTable->Length; Count++)\r
- {\r
- MaxIndex = GetVariableByIndex (IndexTable, Count);\r
-\r
- if (CompareWithValidVariable (MaxIndex, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {\r
- PtrTrack->StartPtr = IndexTable->StartPtr;\r
- PtrTrack->EndPtr = IndexTable->EndPtr;\r
-\r
- return EFI_SUCCESS;\r
- }\r
- }\r
-\r
- if (IndexTable->GoneThrough) {\r
- return EFI_NOT_FOUND;\r
- }\r
- }\r
- //\r
- // If not found in HOB, then let's start from the MaxIndex we've found.\r
- //\r
- if (MaxIndex != NULL) {\r
- Variable = GetNextVariablePtr (MaxIndex);\r
- } else {\r
- if (IndexTable->StartPtr || IndexTable->EndPtr) {\r
- Variable = IndexTable->StartPtr;\r
- } else {\r
- VariableBase = (UINT8 *) (UINTN) PcdGet32 (PcdFlashNvStorageVariableBase);\r
-\r
- //\r
- // Check if FV header is valid.\r
- //\r
- if (((EFI_FIRMWARE_VOLUME_HEADER *) VariableBase)->Signature != EFI_FVH_SIGNATURE) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) (VariableBase + \\r
- ((EFI_FIRMWARE_VOLUME_HEADER *) (VariableBase)) -> HeaderLength);\r
-\r
- if (GetVariableStoreStatus (VariableStoreHeader) != EfiValid) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- if (~VariableStoreHeader->Size == 0) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Find the variable by walk through non-volatile variable store\r
- //\r
- IndexTable->StartPtr = GetStartPointer (VariableStoreHeader);\r
- IndexTable->EndPtr = GetEndPointer (VariableStoreHeader);\r
-\r
- //\r
- // Start Pointers for the variable.\r
- // Actual Data Pointer where data can be written.\r
- //\r
- Variable = IndexTable->StartPtr;\r
- }\r
- }\r
- //\r
- // Find the variable by walk through non-volatile variable store\r
- //\r
- PtrTrack->StartPtr = IndexTable->StartPtr;\r
- PtrTrack->EndPtr = IndexTable->EndPtr;\r
-\r
- while ((Variable < IndexTable->EndPtr) && IsValidVariableHeader (Variable)) {\r
- if (Variable->State == VAR_ADDED) {\r
- //\r
- // Record Variable in VariableIndex HOB\r
- //\r
- if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME)\r
- {\r
- VariableIndexTableUpdate (IndexTable, Variable);\r
- }\r
-\r
- if (CompareWithValidVariable (Variable, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {\r
- return EFI_SUCCESS;\r
- }\r
- }\r
-\r
- Variable = GetNextVariablePtr (Variable);\r
- }\r
- //\r
- // If gone through the VariableStore, that means we never find in Firmware any more.\r
- //\r
- if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME) {\r
- IndexTable->GoneThrough = 1;\r
- }\r
-\r
- PtrTrack->CurrPtr = NULL;\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-/**\r
- Provide the read variable functionality of the variable services.\r
-\r
- @param PeiServices - General purpose services available to every PEIM.\r
-\r
- @param VariableName - The variable name\r
-\r
- @param VendorGuid - The vendor's GUID\r
-\r
- @param Attributes - Pointer to the attribute\r
-\r
- @param DataSize - Size of data\r
-\r
- @param Data - Pointer to data\r
-\r
- @retval EFI_SUCCESS - The interface could be successfully installed\r
-\r
- @retval EFI_NOT_FOUND - The variable could not be discovered\r
-\r
- @retval EFI_BUFFER_TOO_SMALL - The caller buffer is not large enough\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PeiGetVariable (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN CHAR16 *VariableName,\r
- IN EFI_GUID * VendorGuid,\r
- OUT UINT32 *Attributes OPTIONAL,\r
- IN OUT UINTN *DataSize,\r
- OUT VOID *Data\r
- )\r
-\r
-{\r
- VARIABLE_POINTER_TRACK Variable;\r
- UINTN VarDataSize;\r
- EFI_STATUS Status;\r
-\r
- if (VariableName == NULL || VendorGuid == NULL || DataSize == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // Find existing variable\r
- //\r
- Status = FindVariable (PeiServices, VariableName, VendorGuid, &Variable);\r
-\r
- if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) {\r
- return Status;\r
- }\r
- //\r
- // Get data size\r
- //\r
- VarDataSize = DataSizeOfVariable (Variable.CurrPtr);\r
- if (*DataSize >= VarDataSize) {\r
- //\r
- // PO-TKW: Address one checking in this place\r
- //\r
- if (Data == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- (*PeiServices)->CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);\r
-\r
- if (Attributes != NULL) {\r
- *Attributes = Variable.CurrPtr->Attributes;\r
- }\r
-\r
- *DataSize = VarDataSize;\r
- return EFI_SUCCESS;\r
- } else {\r
- *DataSize = VarDataSize;\r
- return EFI_BUFFER_TOO_SMALL;\r
- }\r
-}\r
-\r
-/**\r
- Provide the read variable functionality of the variable services.\r
-\r
- @param PeiServices - General purpose services available to every PEIM.\r
-\r
- @param VariableName - The variable name\r
-\r
- @param VendorGuid - The vendor's GUID\r
-\r
- @param Attributes - Pointer to the attribute\r
-\r
- @param DataSize - Size of data\r
-\r
- @param Data - Pointer to data\r
-\r
- @retval EFI_SUCCESS - The interface could be successfully installed\r
-\r
- @retval EFI_NOT_FOUND - The variable could not be discovered\r
-\r
- @retval EFI_BUFFER_TOO_SMALL - The caller buffer is not large enough\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PeiGetVariable2 (\r
- IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,\r
- IN CONST CHAR16 *VariableName,\r
- IN CONST EFI_GUID *VariableGuid,\r
- OUT UINT32 *Attributes,\r
- IN OUT UINTN *DataSize,\r
- OUT VOID *Data\r
- )\r
-\r
-{\r
- return PeiGetVariable (\r
- (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),\r
- (CHAR16*)VariableName,\r
- (EFI_GUID*)VariableGuid,\r
- Attributes,\r
- DataSize,\r
- Data\r
- );\r
-}\r
-\r
-/**\r
- Provide the get next variable functionality of the variable services.\r
-\r
- @param PeiServices - General purpose services available to every PEIM.\r
- @param VariabvleNameSize - The variable name's size.\r
- @param VariableName - A pointer to the variable's name.\r
- @param VendorGuid - A pointer to the EFI_GUID structure.\r
-\r
- @param VariableNameSize - Size of the variable name\r
-\r
- @param VariableName - The variable name\r
-\r
- @param VendorGuid - The vendor's GUID\r
-\r
- @retval EFI_SUCCESS - The interface could be successfully installed\r
-\r
- @retval EFI_NOT_FOUND - The variable could not be discovered\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PeiGetNextVariableName (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN OUT UINTN *VariableNameSize,\r
- IN OUT CHAR16 *VariableName,\r
- IN OUT EFI_GUID *VendorGuid\r
- )\r
-\r
-{\r
- VARIABLE_POINTER_TRACK Variable;\r
- UINTN VarNameSize;\r
- EFI_STATUS Status;\r
-\r
- if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- Status = FindVariable (PeiServices, VariableName, VendorGuid, &Variable);\r
-\r
- if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) {\r
- return Status;\r
- }\r
-\r
- if (VariableName[0] != 0) {\r
- //\r
- // If variable name is not NULL, get next variable\r
- //\r
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
- }\r
-\r
- while (!(Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL)) {\r
- if (IsValidVariableHeader (Variable.CurrPtr)) {\r
- if (Variable.CurrPtr->State == VAR_ADDED) {\r
- ASSERT (NameSizeOfVariable (Variable.CurrPtr) != 0);\r
-\r
- VarNameSize = (UINTN) NameSizeOfVariable (Variable.CurrPtr);\r
- if (VarNameSize <= *VariableNameSize) {\r
- (*PeiServices)->CopyMem (VariableName, GetVariableNamePtr (Variable.CurrPtr), VarNameSize);\r
-\r
- (*PeiServices)->CopyMem (VendorGuid, &Variable.CurrPtr->VendorGuid, sizeof (EFI_GUID));\r
-\r
- Status = EFI_SUCCESS;\r
- } else {\r
- Status = EFI_BUFFER_TOO_SMALL;\r
- }\r
-\r
- *VariableNameSize = VarNameSize;\r
- return Status;\r
- //\r
- // Variable is found\r
- //\r
- } else {\r
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
- }\r
- } else {\r
- break;\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-/**\r
- Provide the get next variable functionality of the variable services.\r
-\r
- @param PeiServices - General purpose services available to every PEIM.\r
- @param VariabvleNameSize - The variable name's size.\r
- @param VariableName - A pointer to the variable's name.\r
- @param VariableGuid - A pointer to the EFI_GUID structure.\r
-\r
- @param VariableNameSize - Size of the variable name\r
-\r
- @param VariableName - The variable name\r
-\r
- @param VendorGuid - The vendor's GUID\r
-\r
-\r
- @retval EFI_SUCCESS - The interface could be successfully installed\r
-\r
- @retval EFI_NOT_FOUND - The variable could not be discovered\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PeiGetNextVariableName2 (\r
- IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,\r
- IN OUT UINTN *VariableNameSize,\r
- IN OUT CHAR16 *VariableName,\r
- IN OUT EFI_GUID *VariableGuid\r
- )\r
-\r
-{\r
- return PeiGetNextVariableName (\r
- (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),\r
- VariableNameSize,\r
- VariableName,\r
- VariableGuid\r
- );\r
-}\r
-\r
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