\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
IN VARIABLE_HEADER *Variable\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
+ @param Variable Pointer to the Variable Header.\r
+ @param VariableHeader Pointer to the Variable Header that has consecutive content.\r
\r
@return A UINT8* pointer to Variable Data.\r
\r
**/\r
UINT8 *\r
GetVariableDataPtr (\r
- IN VARIABLE_HEADER *Variable\r
+ IN VARIABLE_HEADER *Variable,\r
+ IN VARIABLE_HEADER *VariableHeader\r
)\r
{\r
UINTN Value;\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
+ Value += NameSizeOfVariable (VariableHeader);\r
+ Value += GET_PAD_SIZE (NameSizeOfVariable (VariableHeader));\r
\r
return (UINT8 *) Value;\r
}\r
/**\r
This code gets the pointer to the next variable header.\r
\r
- @param Variable Pointer to the Variable Header.\r
+ @param StoreInfo Pointer to variable store info structure.\r
+ @param Variable Pointer to the Variable Header.\r
+ @param VariableHeader Pointer to the Variable Header that has consecutive content.\r
\r
@return A VARIABLE_HEADER* pointer to next variable header.\r
\r
**/\r
VARIABLE_HEADER *\r
GetNextVariablePtr (\r
- IN VARIABLE_HEADER *Variable\r
+ IN VARIABLE_STORE_INFO *StoreInfo,\r
+ IN VARIABLE_HEADER *Variable,\r
+ IN VARIABLE_HEADER *VariableHeader\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
+ EFI_PHYSICAL_ADDRESS TargetAddress;\r
+ EFI_PHYSICAL_ADDRESS SpareAddress;\r
+ UINTN Value;\r
\r
+ Value = (UINTN) GetVariableDataPtr (Variable, VariableHeader);\r
+ Value += DataSizeOfVariable (VariableHeader);\r
+ Value += GET_PAD_SIZE (DataSizeOfVariable (VariableHeader));\r
//\r
// Be careful about pad size for alignment\r
//\r
- return (VARIABLE_HEADER *) HEADER_ALIGN (Value);\r
+ Value = HEADER_ALIGN (Value);\r
+\r
+ if (StoreInfo->FtwLastWriteData != NULL) {\r
+ TargetAddress = StoreInfo->FtwLastWriteData->TargetAddress;\r
+ SpareAddress = StoreInfo->FtwLastWriteData->SpareAddress;\r
+ if (((UINTN) Variable < (UINTN) TargetAddress) && (Value >= (UINTN) TargetAddress)) {\r
+ //\r
+ // Next variable is in spare block.\r
+ //\r
+ Value = (UINTN) SpareAddress + (Value - (UINTN) TargetAddress);\r
+ }\r
+ }\r
+\r
+ return (VARIABLE_HEADER *) Value;\r
}\r
\r
/**\r
- This code gets the pointer to the variable name.\r
+ Get variable store status.\r
\r
@param VarStoreHeader Pointer to the Variable Store Header.\r
\r
IN VARIABLE_STORE_HEADER *VarStoreHeader\r
)\r
{\r
- \r
if (CompareGuid (&VarStoreHeader->Signature, &gEfiVariableGuid) &&\r
VarStoreHeader->Format == VARIABLE_STORE_FORMATTED &&\r
VarStoreHeader->State == VARIABLE_STORE_HEALTHY\r
}\r
}\r
\r
+/**\r
+ Compare two variable names, one of them may be inconsecutive.\r
+\r
+ @param StoreInfo Pointer to variable store info structure.\r
+ @param Name1 Pointer to one variable name.\r
+ @param Name2 Pointer to another variable name.\r
+ @param NameSize Variable name size.\r
+\r
+ @retval TRUE Name1 and Name2 are identical.\r
+ @retval FALSE Name1 and Name2 are not identical.\r
+\r
+**/\r
+BOOLEAN\r
+CompareVariableName (\r
+ IN VARIABLE_STORE_INFO *StoreInfo,\r
+ IN CONST CHAR16 *Name1,\r
+ IN CONST CHAR16 *Name2,\r
+ IN UINTN NameSize\r
+ )\r
+{\r
+ EFI_PHYSICAL_ADDRESS TargetAddress;\r
+ EFI_PHYSICAL_ADDRESS SpareAddress;\r
+ UINTN PartialNameSize;\r
+\r
+ if (StoreInfo->FtwLastWriteData != NULL) {\r
+ TargetAddress = StoreInfo->FtwLastWriteData->TargetAddress;\r
+ SpareAddress = StoreInfo->FtwLastWriteData->SpareAddress;\r
+ if (((UINTN) Name1 < (UINTN) TargetAddress) && (((UINTN) Name1 + NameSize) > (UINTN) TargetAddress)) {\r
+ //\r
+ // Name1 is inconsecutive.\r
+ //\r
+ PartialNameSize = (UINTN) TargetAddress - (UINTN) Name1;\r
+ //\r
+ // Partial content is in NV storage.\r
+ //\r
+ if (CompareMem ((UINT8 *) Name1, (UINT8 *) Name2, PartialNameSize) == 0) {\r
+ //\r
+ // Another partial content is in spare block.\r
+ //\r
+ if (CompareMem ((UINT8 *) (UINTN) SpareAddress, (UINT8 *) Name2 + PartialNameSize, NameSize - PartialNameSize) == 0) {\r
+ return TRUE;\r
+ }\r
+ }\r
+ return FALSE;\r
+ } else if (((UINTN) Name2 < (UINTN) TargetAddress) && (((UINTN) Name2 + NameSize) > (UINTN) TargetAddress)) {\r
+ //\r
+ // Name2 is inconsecutive.\r
+ //\r
+ PartialNameSize = (UINTN) TargetAddress - (UINTN) Name2;\r
+ //\r
+ // Partial content is in NV storage.\r
+ //\r
+ if (CompareMem ((UINT8 *) Name2, (UINT8 *) Name1, PartialNameSize) == 0) {\r
+ //\r
+ // Another partial content is in spare block.\r
+ //\r
+ if (CompareMem ((UINT8 *) (UINTN) SpareAddress, (UINT8 *) Name1 + PartialNameSize, NameSize - PartialNameSize) == 0) {\r
+ return TRUE;\r
+ }\r
+ }\r
+ return FALSE;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Both Name1 and Name2 are consecutive.\r
+ //\r
+ if (CompareMem ((UINT8 *) Name1, (UINT8 *) Name2, NameSize) == 0) {\r
+ return TRUE;\r
+ }\r
+ return FALSE;\r
+}\r
\r
/**\r
This function compares a variable with variable entries in database.\r
\r
+ @param StoreInfo Pointer to variable store info structure.\r
@param Variable Pointer to the variable in our database\r
+ @param VariableHeader Pointer to the Variable Header that has consecutive content.\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 Variable Information.\r
**/\r
EFI_STATUS\r
CompareWithValidVariable (\r
+ IN VARIABLE_STORE_INFO *StoreInfo,\r
IN VARIABLE_HEADER *Variable,\r
+ IN VARIABLE_HEADER *VariableHeader,\r
IN CONST CHAR16 *VariableName,\r
IN CONST EFI_GUID *VendorGuid,\r
OUT VARIABLE_POINTER_TRACK *PtrTrack\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
+ if ((((INT32 *) VendorGuid)[0] == ((INT32 *) &VariableHeader->VendorGuid)[0]) &&\r
+ (((INT32 *) VendorGuid)[1] == ((INT32 *) &VariableHeader->VendorGuid)[1]) &&\r
+ (((INT32 *) VendorGuid)[2] == ((INT32 *) &VariableHeader->VendorGuid)[2]) &&\r
+ (((INT32 *) VendorGuid)[3] == ((INT32 *) &VariableHeader->VendorGuid)[3])\r
) {\r
- ASSERT (NameSizeOfVariable (Variable) != 0);\r
+ ASSERT (NameSizeOfVariable (VariableHeader) != 0);\r
Point = (VOID *) GetVariableNamePtr (Variable);\r
- if (CompareMem (VariableName, Point, NameSizeOfVariable (Variable)) == 0) {\r
+ if (CompareVariableName (StoreInfo, VariableName, Point, NameSizeOfVariable (VariableHeader))) {\r
PtrTrack->CurrPtr = Variable;\r
return EFI_SUCCESS;\r
}\r
}\r
\r
/**\r
- Return the variable store header and the index table based on the Index.\r
+ Return the variable store header and the store info based on the Index.\r
\r
@param Type The type of the variable store.\r
- @param IndexTable Return the index table.\r
+ @param StoreInfo Return the store info.\r
\r
@return Pointer to the variable store header.\r
**/\r
VARIABLE_STORE_HEADER *\r
GetVariableStore (\r
IN VARIABLE_STORE_TYPE Type,\r
- OUT VARIABLE_INDEX_TABLE **IndexTable OPTIONAL\r
+ OUT VARIABLE_STORE_INFO *StoreInfo\r
)\r
{\r
- EFI_HOB_GUID_TYPE *GuidHob;\r
- EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
- VARIABLE_STORE_HEADER *VariableStoreHeader;\r
-\r
- if (IndexTable != NULL) {\r
- *IndexTable = NULL;\r
- }\r
+ EFI_HOB_GUID_TYPE *GuidHob;\r
+ EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
+ VARIABLE_STORE_HEADER *VariableStoreHeader;\r
+ EFI_PHYSICAL_ADDRESS NvStorageBase;\r
+ UINT32 NvStorageSize;\r
+ FAULT_TOLERANT_WRITE_LAST_WRITE_DATA *FtwLastWriteData;\r
+ UINT32 BackUpOffset;\r
+\r
+ StoreInfo->IndexTable = NULL;\r
+ StoreInfo->FtwLastWriteData = NULL;\r
VariableStoreHeader = NULL;\r
switch (Type) {\r
case VariableStoreTypeHob:\r
//\r
// The content of NV storage for variable is not reliable in recovery boot mode.\r
//\r
- FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (PcdGet64 (PcdFlashNvStorageVariableBase64) != 0 ? \r
- PcdGet64 (PcdFlashNvStorageVariableBase64) : \r
- PcdGet32 (PcdFlashNvStorageVariableBase)\r
- );\r
+\r
+ NvStorageSize = PcdGet32 (PcdFlashNvStorageVariableSize);\r
+ NvStorageBase = (EFI_PHYSICAL_ADDRESS) (PcdGet64 (PcdFlashNvStorageVariableBase64) != 0 ? \r
+ PcdGet64 (PcdFlashNvStorageVariableBase64) : \r
+ PcdGet32 (PcdFlashNvStorageVariableBase)\r
+ );\r
+ //\r
+ // First let FvHeader point to NV storage base.\r
+ //\r
+ FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) NvStorageBase;\r
+\r
+ //\r
+ // Check the FTW last write data hob.\r
+ //\r
+ BackUpOffset = 0;\r
+ GuidHob = GetFirstGuidHob (&gEdkiiFaultTolerantWriteGuid);\r
+ if (GuidHob != NULL) {\r
+ FtwLastWriteData = (FAULT_TOLERANT_WRITE_LAST_WRITE_DATA *) GET_GUID_HOB_DATA (GuidHob);\r
+ if (FtwLastWriteData->TargetAddress == NvStorageBase) {\r
+ //\r
+ // Let FvHeader point to spare block.\r
+ //\r
+ FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FtwLastWriteData->SpareAddress;\r
+ DEBUG ((EFI_D_INFO, "PeiVariable: NV storage is backed up in spare block: 0x%x\n", (UINTN) FtwLastWriteData->SpareAddress));\r
+ } else if ((FtwLastWriteData->TargetAddress > NvStorageBase) && (FtwLastWriteData->TargetAddress < (NvStorageBase + NvStorageSize))) {\r
+ StoreInfo->FtwLastWriteData = FtwLastWriteData;\r
+ //\r
+ // Flash NV storage from the offset is backed up in spare block.\r
+ //\r
+ BackUpOffset = (UINT32) (FtwLastWriteData->TargetAddress - NvStorageBase);\r
+ DEBUG ((EFI_D_INFO, "PeiVariable: High partial NV storage from offset: %x is backed up in spare block: 0x%x\n", BackUpOffset, (UINTN) FtwLastWriteData->SpareAddress));\r
+ //\r
+ // At least one block data in flash NV storage is still valid, so still leave FvHeader point to NV storage base.\r
+ //\r
+ }\r
+ }\r
\r
//\r
// Check if the Firmware Volume is not corrupted\r
\r
VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINT8 *) FvHeader + FvHeader->HeaderLength);\r
\r
- if (IndexTable != NULL) {\r
- GuidHob = GetFirstGuidHob (&gEfiVariableIndexTableGuid);\r
- if (GuidHob != NULL) {\r
- *IndexTable = GET_GUID_HOB_DATA (GuidHob);\r
- } else {\r
- //\r
- // If it's the first time to access variable region in flash, create a guid hob to record\r
- // VAR_ADDED type variable info.\r
- // Note that as the resource of PEI phase is limited, only store the limited number of \r
- // VAR_ADDED type variables to reduce access time.\r
- //\r
- *IndexTable = BuildGuidHob (&gEfiVariableIndexTableGuid, sizeof (VARIABLE_INDEX_TABLE));\r
- (*IndexTable)->Length = 0;\r
- (*IndexTable)->StartPtr = GetStartPointer (VariableStoreHeader);\r
- (*IndexTable)->EndPtr = GetEndPointer (VariableStoreHeader);\r
- (*IndexTable)->GoneThrough = 0;\r
- }\r
+ GuidHob = GetFirstGuidHob (&gEfiVariableIndexTableGuid);\r
+ if (GuidHob != NULL) {\r
+ StoreInfo->IndexTable = GET_GUID_HOB_DATA (GuidHob);\r
+ } else {\r
+ //\r
+ // If it's the first time to access variable region in flash, create a guid hob to record\r
+ // VAR_ADDED type variable info.\r
+ // Note that as the resource of PEI phase is limited, only store the limited number of \r
+ // VAR_ADDED type variables to reduce access time.\r
+ //\r
+ StoreInfo->IndexTable = (VARIABLE_INDEX_TABLE *) BuildGuidHob (&gEfiVariableIndexTableGuid, sizeof (VARIABLE_INDEX_TABLE));\r
+ StoreInfo->IndexTable->Length = 0;\r
+ StoreInfo->IndexTable->StartPtr = GetStartPointer (VariableStoreHeader);\r
+ StoreInfo->IndexTable->EndPtr = GetEndPointer (VariableStoreHeader);\r
+ StoreInfo->IndexTable->GoneThrough = 0;\r
}\r
}\r
break;\r
break;\r
}\r
\r
+ StoreInfo->VariableStoreHeader = VariableStoreHeader;\r
return VariableStoreHeader;\r
}\r
\r
+/**\r
+ Get variable header that has consecutive content.\r
+\r
+ @param StoreInfo Pointer to variable store info structure.\r
+ @param Variable Pointer to the Variable Header.\r
+ @param VariableHeader Pointer to Pointer to the Variable Header that has consecutive content.\r
+\r
+ @retval TRUE Variable header is valid.\r
+ @retval FALSE Variable header is not valid.\r
+\r
+**/\r
+BOOLEAN\r
+GetVariableHeader (\r
+ IN VARIABLE_STORE_INFO *StoreInfo,\r
+ IN VARIABLE_HEADER *Variable,\r
+ OUT VARIABLE_HEADER **VariableHeader\r
+ )\r
+{\r
+ EFI_PHYSICAL_ADDRESS TargetAddress;\r
+ EFI_PHYSICAL_ADDRESS SpareAddress;\r
+ EFI_HOB_GUID_TYPE *GuidHob;\r
+ UINTN PartialHeaderSize;\r
+\r
+ //\r
+ // First assume variable header pointed by Variable is consecutive.\r
+ //\r
+ *VariableHeader = Variable;\r
+\r
+ if ((Variable != NULL) && (StoreInfo->FtwLastWriteData != NULL)) {\r
+ TargetAddress = StoreInfo->FtwLastWriteData->TargetAddress;\r
+ SpareAddress = StoreInfo->FtwLastWriteData->SpareAddress;\r
+ if (((UINTN) Variable < (UINTN) TargetAddress) && (((UINTN) Variable + sizeof (VARIABLE_HEADER)) > (UINTN) TargetAddress)) {\r
+ //\r
+ // Variable header pointed by Variable is inconsecutive,\r
+ // create a guid hob to combine the two partial variable header content together.\r
+ //\r
+ GuidHob = GetFirstGuidHob (&gEfiCallerIdGuid);\r
+ if (GuidHob != NULL) {\r
+ *VariableHeader = (VARIABLE_HEADER *) GET_GUID_HOB_DATA (GuidHob);\r
+ } else {\r
+ *VariableHeader = (VARIABLE_HEADER *) BuildGuidHob (&gEfiCallerIdGuid, sizeof (VARIABLE_HEADER));\r
+ PartialHeaderSize = (UINTN) TargetAddress - (UINTN) Variable;\r
+ //\r
+ // Partial content is in NV storage.\r
+ //\r
+ CopyMem ((UINT8 *) *VariableHeader, (UINT8 *) Variable, PartialHeaderSize);\r
+ //\r
+ // Another partial content is in spare block.\r
+ //\r
+ CopyMem ((UINT8 *) *VariableHeader + PartialHeaderSize, (UINT8 *) (UINTN) SpareAddress, sizeof (VARIABLE_HEADER) - PartialHeaderSize);\r
+ }\r
+ }\r
+ }\r
+\r
+ return IsValidVariableHeader (*VariableHeader);\r
+}\r
+\r
+/**\r
+ Get variable name or data to output buffer.\r
+\r
+ @param StoreInfo Pointer to variable store info structure.\r
+ @param NameOrData Pointer to the variable name/data that may be inconsecutive.\r
+ @param Size Variable name/data size.\r
+ @param Buffer Pointer to output buffer to hold the variable name/data.\r
+\r
+**/\r
+VOID\r
+GetVariableNameOrData (\r
+ IN VARIABLE_STORE_INFO *StoreInfo,\r
+ IN UINT8 *NameOrData,\r
+ IN UINTN Size,\r
+ OUT UINT8 *Buffer\r
+ )\r
+{\r
+ EFI_PHYSICAL_ADDRESS TargetAddress;\r
+ EFI_PHYSICAL_ADDRESS SpareAddress;\r
+ UINTN PartialSize;\r
+ \r
+ if (StoreInfo->FtwLastWriteData != NULL) {\r
+ TargetAddress = StoreInfo->FtwLastWriteData->TargetAddress;\r
+ SpareAddress = StoreInfo->FtwLastWriteData->SpareAddress;\r
+ if (((UINTN) NameOrData < (UINTN) TargetAddress) && (((UINTN) NameOrData + Size) > (UINTN) TargetAddress)) {\r
+ //\r
+ // Variable name/data is inconsecutive.\r
+ //\r
+ PartialSize = (UINTN) TargetAddress - (UINTN) NameOrData;\r
+ //\r
+ // Partial content is in NV storage.\r
+ //\r
+ CopyMem (Buffer, NameOrData, PartialSize);\r
+ //\r
+ // Another partial content is in spare block.\r
+ //\r
+ CopyMem (Buffer + PartialSize, (UINT8 *) (UINTN) SpareAddress, Size - PartialSize);\r
+ return;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Variable name/data is consecutive.\r
+ //\r
+ CopyMem (Buffer, NameOrData, Size);\r
+}\r
+\r
/**\r
Find the variable in the specified variable store.\r
\r
- @param VariableStoreHeader Pointer to the variable store header.\r
- @param IndexTable Pointer to the index table.\r
+ @param StoreInfo Pointer to the store info structure.\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 Variable Information.\r
**/\r
EFI_STATUS\r
FindVariableEx (\r
- IN VARIABLE_STORE_HEADER *VariableStoreHeader,\r
- IN VARIABLE_INDEX_TABLE *IndexTable,\r
+ IN VARIABLE_STORE_INFO *StoreInfo,\r
IN CONST CHAR16 *VariableName,\r
IN CONST EFI_GUID *VendorGuid,\r
OUT VARIABLE_POINTER_TRACK *PtrTrack\r
UINTN Offset;\r
BOOLEAN StopRecord;\r
VARIABLE_HEADER *InDeletedVariable;\r
+ VARIABLE_STORE_HEADER *VariableStoreHeader;\r
+ VARIABLE_INDEX_TABLE *IndexTable;\r
+ VARIABLE_HEADER *VariableHeader;\r
+\r
+ VariableStoreHeader = StoreInfo->VariableStoreHeader;\r
\r
if (VariableStoreHeader == NULL) {\r
return EFI_INVALID_PARAMETER;\r
return EFI_NOT_FOUND;\r
}\r
\r
+ IndexTable = StoreInfo->IndexTable;\r
PtrTrack->StartPtr = GetStartPointer (VariableStoreHeader);\r
PtrTrack->EndPtr = GetEndPointer (VariableStoreHeader);\r
\r
// No Variable Address equals zero, so 0 as initial value is safe.\r
//\r
MaxIndex = NULL;\r
+ VariableHeader = NULL;\r
\r
if (IndexTable != NULL) {\r
//\r
ASSERT (Index < sizeof (IndexTable->Index) / sizeof (IndexTable->Index[0]));\r
Offset += IndexTable->Index[Index];\r
MaxIndex = (VARIABLE_HEADER *) ((UINT8 *) IndexTable->StartPtr + Offset);\r
- if (CompareWithValidVariable (MaxIndex, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {\r
- if (PtrTrack->CurrPtr->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
+ GetVariableHeader (StoreInfo, MaxIndex, &VariableHeader);\r
+ if (CompareWithValidVariable (StoreInfo, MaxIndex, VariableHeader, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {\r
+ if (VariableHeader->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
InDeletedVariable = PtrTrack->CurrPtr;\r
} else {\r
return EFI_SUCCESS;\r
// HOB exists but the variable cannot be found in HOB\r
// If not found in HOB, then let's start from the MaxIndex we've found.\r
//\r
- Variable = GetNextVariablePtr (MaxIndex);\r
+ Variable = GetNextVariablePtr (StoreInfo, MaxIndex, VariableHeader);\r
LastVariable = MaxIndex;\r
} else {\r
//\r
// Find the variable by walk through variable store\r
//\r
StopRecord = FALSE;\r
- while ((Variable < PtrTrack->EndPtr) && IsValidVariableHeader (Variable)) {\r
- if (Variable->State == VAR_ADDED || Variable->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
+ while (GetVariableHeader (StoreInfo, Variable, &VariableHeader)) {\r
+ if (VariableHeader->State == VAR_ADDED || VariableHeader->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
//\r
// Record Variable in VariableIndex HOB\r
//\r
}\r
}\r
\r
- if (CompareWithValidVariable (Variable, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {\r
- if (PtrTrack->CurrPtr->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
+ if (CompareWithValidVariable (StoreInfo, Variable, VariableHeader, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {\r
+ if (VariableHeader->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
InDeletedVariable = PtrTrack->CurrPtr;\r
} else {\r
return EFI_SUCCESS;\r
}\r
}\r
\r
- Variable = GetNextVariablePtr (Variable);\r
+ Variable = GetNextVariablePtr (StoreInfo, Variable, VariableHeader);\r
}\r
//\r
// If gone through the VariableStore, that means we never find in Firmware any more.\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 Variable Information.\r
+ @param StoreInfo Return the store info.\r
\r
@retval EFI_SUCCESS Variable found successfully\r
@retval EFI_NOT_FOUND Variable not found\r
FindVariable (\r
IN CONST CHAR16 *VariableName,\r
IN CONST EFI_GUID *VendorGuid,\r
- OUT VARIABLE_POINTER_TRACK *PtrTrack\r
+ OUT VARIABLE_POINTER_TRACK *PtrTrack,\r
+ OUT VARIABLE_STORE_INFO *StoreInfo\r
)\r
{\r
EFI_STATUS Status;\r
- VARIABLE_STORE_HEADER *VariableStoreHeader;\r
- VARIABLE_INDEX_TABLE *IndexTable;\r
VARIABLE_STORE_TYPE Type;\r
\r
if (VariableName[0] != 0 && VendorGuid == NULL) {\r
}\r
\r
for (Type = (VARIABLE_STORE_TYPE) 0; Type < VariableStoreTypeMax; Type++) {\r
- VariableStoreHeader = GetVariableStore (Type, &IndexTable);\r
+ GetVariableStore (Type, StoreInfo);\r
Status = FindVariableEx (\r
- VariableStoreHeader,\r
- IndexTable,\r
+ StoreInfo,\r
VariableName,\r
VendorGuid, \r
PtrTrack\r
VARIABLE_POINTER_TRACK Variable;\r
UINTN VarDataSize;\r
EFI_STATUS Status;\r
+ VARIABLE_STORE_INFO StoreInfo;\r
+ VARIABLE_HEADER *VariableHeader;\r
\r
if (VariableName == NULL || VariableGuid == NULL || DataSize == NULL) {\r
return EFI_INVALID_PARAMETER;\r
//\r
// Find existing variable\r
//\r
- Status = FindVariable (VariableName, VariableGuid, &Variable);\r
+ Status = FindVariable (VariableName, VariableGuid, &Variable, &StoreInfo);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
+ GetVariableHeader (&StoreInfo, Variable.CurrPtr, &VariableHeader);\r
+\r
//\r
// Get data size\r
//\r
- VarDataSize = DataSizeOfVariable (Variable.CurrPtr);\r
+ VarDataSize = DataSizeOfVariable (VariableHeader);\r
if (*DataSize >= VarDataSize) {\r
if (Data == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);\r
+ GetVariableNameOrData (&StoreInfo, GetVariableDataPtr (Variable.CurrPtr, VariableHeader), VarDataSize, Data);\r
\r
if (Attributes != NULL) {\r
- *Attributes = Variable.CurrPtr->Attributes;\r
+ *Attributes = VariableHeader->Attributes;\r
}\r
\r
*DataSize = VarDataSize;\r
VARIABLE_POINTER_TRACK Variable;\r
VARIABLE_POINTER_TRACK VariableInHob;\r
VARIABLE_POINTER_TRACK VariablePtrTrack;\r
- VARIABLE_INDEX_TABLE *IndexTable;\r
UINTN VarNameSize;\r
EFI_STATUS Status;\r
VARIABLE_STORE_HEADER *VariableStoreHeader[VariableStoreTypeMax];\r
+ VARIABLE_HEADER *VariableHeader;\r
+ VARIABLE_STORE_INFO StoreInfo;\r
+ VARIABLE_STORE_INFO StoreInfoForNv;\r
+ VARIABLE_STORE_INFO StoreInfoForHob;\r
\r
if (VariableName == NULL || VariableGuid == NULL || VariableNameSize == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- Status = FindVariable (VariableName, VariableGuid, &Variable);\r
+ Status = FindVariable (VariableName, VariableGuid, &Variable, &StoreInfo);\r
if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) {\r
return Status;\r
}\r
//\r
// If variable name is not NULL, get next variable\r
//\r
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
+ GetVariableHeader (&StoreInfo, Variable.CurrPtr, &VariableHeader);\r
+ Variable.CurrPtr = GetNextVariablePtr (&StoreInfo, Variable.CurrPtr, VariableHeader);\r
}\r
\r
- VariableStoreHeader[VariableStoreTypeHob] = GetVariableStore (VariableStoreTypeHob, NULL);\r
- VariableStoreHeader[VariableStoreTypeNv] = GetVariableStore (VariableStoreTypeNv, NULL);\r
+ VariableStoreHeader[VariableStoreTypeHob] = GetVariableStore (VariableStoreTypeHob, &StoreInfoForHob);\r
+ VariableStoreHeader[VariableStoreTypeNv] = GetVariableStore (VariableStoreTypeNv, &StoreInfoForNv);\r
\r
while (TRUE) {\r
//\r
// Switch from HOB to Non-Volatile.\r
//\r
- while ((Variable.CurrPtr >= Variable.EndPtr) ||\r
- (Variable.CurrPtr == NULL) ||\r
- !IsValidVariableHeader (Variable.CurrPtr)\r
- ) {\r
+ while (!GetVariableHeader (&StoreInfo, Variable.CurrPtr, &VariableHeader)) {\r
//\r
// Find current storage index\r
//\r
Variable.StartPtr = GetStartPointer (VariableStoreHeader[Type]);\r
Variable.EndPtr = GetEndPointer (VariableStoreHeader[Type]);\r
Variable.CurrPtr = Variable.StartPtr;\r
+ GetVariableStore (Type, &StoreInfo);\r
}\r
\r
- if (Variable.CurrPtr->State == VAR_ADDED || Variable.CurrPtr->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
- if (Variable.CurrPtr->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
+ if (VariableHeader->State == VAR_ADDED || VariableHeader->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
+ if (VariableHeader->State == (VAR_IN_DELETED_TRANSITION & VAR_ADDED)) {\r
//\r
// If it is a IN_DELETED_TRANSITION variable,\r
// and there is also a same ADDED one at the same time,\r
// don't return it.\r
//\r
- for (Type = (VARIABLE_STORE_TYPE) 0; Type < VariableStoreTypeMax; Type++) {\r
- if ((VariableStoreHeader[Type] != NULL) && (Variable.StartPtr == GetStartPointer (VariableStoreHeader[Type]))) {\r
- break;\r
- }\r
- }\r
- ASSERT (Type < VariableStoreTypeMax);\r
- GetVariableStore (Type, &IndexTable);\r
Status = FindVariableEx (\r
- VariableStoreHeader[Type],\r
- IndexTable,\r
+ &StoreInfo,\r
GetVariableNamePtr (Variable.CurrPtr),\r
- &Variable.CurrPtr->VendorGuid,\r
+ &VariableHeader->VendorGuid,\r
&VariablePtrTrack\r
);\r
- if (!EFI_ERROR (Status) && VariablePtrTrack.CurrPtr->State == VAR_ADDED) {\r
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
+ if (!EFI_ERROR (Status) && VariablePtrTrack.CurrPtr != Variable.CurrPtr) {\r
+ Variable.CurrPtr = GetNextVariablePtr (&StoreInfo, Variable.CurrPtr, VariableHeader);\r
continue;\r
}\r
}\r
(Variable.StartPtr == GetStartPointer (VariableStoreHeader[VariableStoreTypeNv]))\r
) {\r
Status = FindVariableEx (\r
- VariableStoreHeader[VariableStoreTypeHob],\r
- NULL,\r
+ &StoreInfoForHob,\r
GetVariableNamePtr (Variable.CurrPtr),\r
- &Variable.CurrPtr->VendorGuid, \r
+ &VariableHeader->VendorGuid, \r
&VariableInHob\r
);\r
if (!EFI_ERROR (Status)) {\r
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
+ Variable.CurrPtr = GetNextVariablePtr (&StoreInfo, Variable.CurrPtr, VariableHeader);\r
continue;\r
}\r
}\r
\r
- VarNameSize = NameSizeOfVariable (Variable.CurrPtr);\r
+ VarNameSize = NameSizeOfVariable (VariableHeader);\r
ASSERT (VarNameSize != 0);\r
\r
if (VarNameSize <= *VariableNameSize) {\r
- CopyMem (VariableName, GetVariableNamePtr (Variable.CurrPtr), VarNameSize);\r
+ GetVariableNameOrData (&StoreInfo, (UINT8 *) GetVariableNamePtr (Variable.CurrPtr), VarNameSize, (UINT8 *) VariableName);\r
\r
- CopyMem (VariableGuid, &Variable.CurrPtr->VendorGuid, sizeof (EFI_GUID));\r
+ CopyMem (VariableGuid, &VariableHeader->VendorGuid, sizeof (EFI_GUID));\r
\r
Status = EFI_SUCCESS;\r
} else {\r
//\r
return Status;\r
} else {\r
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
+ Variable.CurrPtr = GetNextVariablePtr (&StoreInfo, Variable.CurrPtr, VariableHeader);\r
}\r
}\r
}\r
projects / mirror_edk2.git / blobdiff