/** @file\r
Help functions used by PCD DXE driver.\r
\r
-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>\r
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
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
EFI_GUID **TmpTokenSpaceBuffer;\r
UINTN TmpTokenSpaceBufferCount; \r
\r
+/**\r
+ Get Local Token Number by Token Number.\r
+\r
+ @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r
+ If FALSE, the pcd entry is initialized in DXE phase.\r
+ @param[in] TokenNumber The PCD token number.\r
+\r
+ @return Local Token Number.\r
+**/\r
+UINT32\r
+GetLocalTokenNumber (\r
+ IN BOOLEAN IsPeiDb,\r
+ IN UINTN TokenNumber\r
+ )\r
+{\r
+ UINTN TmpTokenNumber;\r
+ UINT32 *LocalTokenNumberTable;\r
+ UINT32 LocalTokenNumber;\r
+ UINTN Size;\r
+ UINTN MaxSize;\r
+\r
+ //\r
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r
+ // We have to decrement TokenNumber by 1 to make it usable\r
+ // as the array index.\r
+ //\r
+ TokenNumber--;\r
+\r
+ //\r
+ // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r
+ // \r
+ TmpTokenNumber = TokenNumber;\r
+\r
+ LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r
+ (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r
+ TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r
+\r
+ LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r
+\r
+ Size = (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r
+\r
+ if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r
+ if (Size == 0) {\r
+ GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r
+ } else {\r
+ MaxSize = Size;\r
+ }\r
+ LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r
+ }\r
+\r
+ return LocalTokenNumber;\r
+}\r
+\r
+/**\r
+ Get PCD type by Local Token Number.\r
+\r
+ @param[in] LocalTokenNumber The PCD local token number.\r
+\r
+ @return PCD type.\r
+**/\r
+EFI_PCD_TYPE\r
+GetPcdType (\r
+ IN UINT32 LocalTokenNumber\r
+ )\r
+{\r
+ switch (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) {\r
+ case PCD_DATUM_TYPE_POINTER:\r
+ return EFI_PCD_TYPE_PTR;\r
+ case PCD_DATUM_TYPE_UINT8:\r
+ if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {\r
+ return EFI_PCD_TYPE_BOOL;\r
+ } else {\r
+ return EFI_PCD_TYPE_8;\r
+ }\r
+ case PCD_DATUM_TYPE_UINT16:\r
+ return EFI_PCD_TYPE_16;\r
+ case PCD_DATUM_TYPE_UINT32:\r
+ return EFI_PCD_TYPE_32;\r
+ case PCD_DATUM_TYPE_UINT64:\r
+ return EFI_PCD_TYPE_64;\r
+ default:\r
+ ASSERT (FALSE);\r
+ return EFI_PCD_TYPE_8;\r
+ }\r
+}\r
+\r
+/**\r
+ Get PCD name.\r
+\r
+ @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName.\r
+ If FALSE, need to get the full PCD name.\r
+ @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r
+ If FALSE, the pcd entry is initialized in DXE phase.\r
+ @param[in] TokenNumber The PCD token number.\r
+\r
+ @return The TokenSpaceCName or full PCD name.\r
+**/\r
+CHAR8 *\r
+GetPcdName (\r
+ IN BOOLEAN OnlyTokenSpaceName,\r
+ IN BOOLEAN IsPeiDb,\r
+ IN UINTN TokenNumber\r
+ )\r
+{\r
+ PCD_DATABASE_INIT *Database;\r
+ UINT8 *StringTable;\r
+ PCD_NAME_INDEX *PcdNameIndex;\r
+ CHAR8 *TokenSpaceName;\r
+ CHAR8 *PcdName;\r
+ CHAR8 *Name;\r
+\r
+ //\r
+ // Return NULL when PCD name table is absent. \r
+ //\r
+ if (IsPeiDb) {\r
+ if (mPcdDatabase.PeiDb->PcdNameTableOffset == 0) {\r
+ return NULL;\r
+ }\r
+ } else {\r
+ if (mPcdDatabase.DxeDb->PcdNameTableOffset == 0) {\r
+ return NULL;\r
+ }\r
+ }\r
+\r
+ //\r
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r
+ // We have to decrement TokenNumber by 1 to make it usable\r
+ // as the array index.\r
+ //\r
+ TokenNumber--;\r
+\r
+ Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r
+ TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r
+\r
+ StringTable = (UINT8 *) Database + Database->StringTableOffset;\r
+\r
+ //\r
+ // Get the PCD name index.\r
+ //\r
+ PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r
+ TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r
+ PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r
+\r
+ if (OnlyTokenSpaceName) {\r
+ //\r
+ // Only need to get the TokenSpaceCName.\r
+ //\r
+ Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r
+ } else {\r
+ //\r
+ // Need to get the full PCD name.\r
+ //\r
+ Name = AllocateZeroPool (AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName));\r
+ ASSERT (Name != NULL);\r
+ //\r
+ // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r
+ //\r
+ AsciiStrCat (Name, TokenSpaceName);\r
+ Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r
+ AsciiStrCat (Name, PcdName); \r
+ }\r
+\r
+ return Name;\r
+}\r
+\r
+/**\r
+ Retrieve additional information associated with a PCD token.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r
+ If FALSE, the pcd entry is initialized in DXE phase.\r
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. \r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+ExGetPcdInfo (\r
+ IN BOOLEAN IsPeiDb,\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ )\r
+{\r
+ PCD_DATABASE_INIT *Database;\r
+ UINTN GuidTableIdx;\r
+ EFI_GUID *MatchGuid;\r
+ EFI_GUID *GuidTable;\r
+ DYNAMICEX_MAPPING *ExMapTable;\r
+ UINTN Index;\r
+ UINT32 LocalTokenNumber;\r
+\r
+ Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r
+\r
+ GuidTable = (EFI_GUID *)((UINT8 *)Database + Database->GuidTableOffset);\r
+ MatchGuid = ScanGuid (GuidTable, Database->GuidTableCount * sizeof(EFI_GUID), Guid);\r
+\r
+ if (MatchGuid == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ GuidTableIdx = MatchGuid - GuidTable;\r
+\r
+ ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)Database + Database->ExMapTableOffset);\r
+\r
+ //\r
+ // Find the PCD by GuidTableIdx and ExTokenNumber in ExMapTable.\r
+ //\r
+ for (Index = 0; Index < Database->ExTokenCount; Index++) {\r
+ if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r
+ if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r
+ //\r
+ // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r
+ // PcdSize to 0 and PcdName to the null-terminated ASCII string\r
+ // associated with the token's namespace Guid.\r
+ //\r
+ PcdInfo->PcdType = EFI_PCD_TYPE_8;\r
+ PcdInfo->PcdSize = 0;\r
+ //\r
+ // Here use one representative in the token space to get the TokenSpaceCName.\r
+ // \r
+ PcdInfo->PcdName = GetPcdName (TRUE, IsPeiDb, ExMapTable[Index].TokenNumber);\r
+ return EFI_SUCCESS;\r
+ } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r
+ PcdInfo->PcdSize = DxePcdGetSize (ExMapTable[Index].TokenNumber);\r
+ LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, ExMapTable[Index].TokenNumber);\r
+ PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r
+ PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, ExMapTable[Index].TokenNumber);\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+/**\r
+ Retrieve additional information associated with a PCD token.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully.\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+DxeGetPcdInfo (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ BOOLEAN PeiExMapTableEmpty;\r
+ BOOLEAN DxeExMapTableEmpty;\r
+ UINT32 LocalTokenNumber;\r
+ BOOLEAN IsPeiDb;\r
+\r
+ ASSERT (PcdInfo != NULL);\r
+\r
+ Status = EFI_NOT_FOUND;\r
+ PeiExMapTableEmpty = mPeiExMapTableEmpty;\r
+ DxeExMapTableEmpty = mDxeExMapTableEmpty;\r
+\r
+ if (Guid == NULL) {\r
+ if (((TokenNumber + 1 > mPeiNexTokenCount + 1) && (TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r
+ ((TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r
+ return EFI_NOT_FOUND;\r
+ } else if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r
+ //\r
+ // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r
+ // PcdSize to 0 and PcdName to NULL for default Token Space.\r
+ //\r
+ PcdInfo->PcdType = EFI_PCD_TYPE_8;\r
+ PcdInfo->PcdSize = 0;\r
+ PcdInfo->PcdName = NULL;\r
+ } else {\r
+ PcdInfo->PcdSize = DxePcdGetSize (TokenNumber);\r
+ IsPeiDb = FALSE;\r
+ if ((TokenNumber + 1 <= mPeiNexTokenCount + 1)) {\r
+ IsPeiDb = TRUE;\r
+ }\r
+ LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r
+ PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r
+ PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, TokenNumber);\r
+ }\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ if (!PeiExMapTableEmpty) {\r
+ Status = ExGetPcdInfo (\r
+ TRUE,\r
+ Guid,\r
+ TokenNumber,\r
+ PcdInfo\r
+ );\r
+ }\r
+\r
+ if (Status == EFI_SUCCESS) {\r
+ return Status;\r
+ }\r
+\r
+ if (!DxeExMapTableEmpty) {\r
+ Status = ExGetPcdInfo (\r
+ FALSE,\r
+ Guid,\r
+ TokenNumber,\r
+ PcdInfo\r
+ );\r
+ }\r
+\r
+ return Status;\r
+}\r
\r
/**\r
Get the PCD entry pointer in PCD database.\r
IN UINTN GetSize\r
)\r
{\r
- UINT32 *LocalTokenNumberTable;\r
EFI_GUID *GuidTable;\r
UINT8 *StringTable;\r
EFI_GUID *Guid;\r
VPD_HEAD *VpdHead;\r
UINT8 *PcdDb;\r
VOID *RetPtr;\r
- UINTN MaxSize;\r
UINTN TmpTokenNumber;\r
UINTN DataSize;\r
EFI_STATUS Status;\r
// comparison.\r
IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r
\r
- LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r
- (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r
-\r
- TokenNumber = IsPeiDb ? TokenNumber :\r
- TokenNumber - mPeiLocalTokenCount;\r
-\r
- LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r
- \r
- if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r
- if (GetSize == 0) {\r
- GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r
- } else {\r
- MaxSize = GetSize;\r
- }\r
- LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r
- }\r
+ LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r
\r
PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r
\r
// string array in string table.\r
//\r
StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \r
- VaraiableDefaultBuffer = (VOID *) (StringTable + StringTableIdx); \r
+ VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx); \r
} else {\r
VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r
}\r
Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r
if (Status == EFI_SUCCESS) {\r
- if (GetSize == 0) {\r
+ if (DataSize >= (VariableHead->Offset + GetSize)) {\r
+ if (GetSize == 0) {\r
+ //\r
+ // It is a pointer type. So get the MaxSize reserved for\r
+ // this PCD entry.\r
+ //\r
+ GetPtrTypeSize (TmpTokenNumber, &GetSize);\r
+ if (GetSize > (DataSize - VariableHead->Offset)) {\r
+ //\r
+ // Use actual valid size.\r
+ //\r
+ GetSize = DataSize - VariableHead->Offset;\r
+ }\r
+ }\r
//\r
- // It is a pointer type. So get the MaxSize reserved for\r
- // this PCD entry.\r
+ // If the operation is successful, we copy the data\r
+ // to the default value buffer in the PCD Database.\r
+ // So that we can free the Data allocated in GetHiiVariable.\r
//\r
- GetPtrTypeSize (TmpTokenNumber, &GetSize);\r
+ CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r
}\r
- //\r
- // If the operation is successful, we copy the data\r
- // to the default value buffer in the PCD Database.\r
- // So that we can free the Data allocated in GetHiiVariable.\r
- //\r
- CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r
FreePool (Data);\r
}\r
RetPtr = (VOID *) VaraiableDefaultBuffer;\r
UINT32 PcdDxeDbLen;\r
VOID *PcdDxeDb;\r
\r
+ //\r
+ // Assign PCD Entries with default value to PCD DATABASE\r
+ //\r
+ mPcdDatabase.DxeDb = LocateExPcdBinary ();\r
+ ASSERT(mPcdDatabase.DxeDb != NULL);\r
+ PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r
+ PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r
+ ASSERT (PcdDxeDb != NULL);\r
+ CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r
+ FreePool (mPcdDatabase.DxeDb);\r
+ mPcdDatabase.DxeDb = PcdDxeDb;\r
+\r
GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r
if (GuidHob != NULL) {\r
\r
// Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r
//\r
mPcdDatabase.PeiDb = PeiDatabase;\r
+ //\r
+ // Inherit the SystemSkuId from PEI phase.\r
+ //\r
+ mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r
+ } else {\r
+ mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r
+ ASSERT(mPcdDatabase.PeiDb != NULL);\r
}\r
\r
- //\r
- // Assign PCD Entries with default value to PCD DATABASE\r
- //\r
- mPcdDatabase.DxeDb = LocateExPcdBinary ();\r
- ASSERT(mPcdDatabase.DxeDb != NULL);\r
- PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r
- PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r
- CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r
- FreePool (mPcdDatabase.DxeDb);\r
- mPcdDatabase.DxeDb = PcdDxeDb;\r
-\r
//\r
// Initialized the external PCD database local variables\r
//\r
//\r
FoundSku = FALSE;\r
for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (mPcdDatabase.PeiDb->SystemSkuId == SkuIdTable[Index + 1]) {\r
+ if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r
FoundSku = TRUE;\r
break;\r
}\r
IN BOOLEAN PtrType\r
)\r
{\r
- UINT32 *LocalTokenNumberTable;\r
BOOLEAN IsPeiDb;\r
UINT32 LocalTokenNumber;\r
EFI_GUID *GuidTable;\r
EFI_GUID *Guid;\r
UINT16 *Name;\r
UINTN VariableOffset;\r
+ UINT32 Attributes;\r
VOID *InternalData;\r
VARIABLE_HEAD *VariableHead;\r
UINTN Offset;\r
//\r
IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r
\r
- LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r
- (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) ;\r
-\r
- TokenNumber = IsPeiDb ? TokenNumber\r
- : TokenNumber - mPeiLocalTokenCount;\r
-\r
- LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r
- \r
- if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r
- if (PtrType) {\r
- GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r
- } else {\r
- MaxSize = *Size;\r
- }\r
- LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r
- }\r
+ LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r
\r
Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r
\r
Guid = GuidTable + VariableHead->GuidTableIndex;\r
Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r
VariableOffset = VariableHead->Offset;\r
- Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r
-\r
- if (EFI_NOT_FOUND == Status) {\r
- if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r
- CopyMem (\r
- StringTable + *(STRING_HEAD *)(PcdDb + VariableHead->DefaultValueOffset),\r
- Data,\r
- *Size\r
- );\r
- } else {\r
- CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\r
- } \r
- Status = EFI_SUCCESS;\r
- }\r
+ Attributes = VariableHead->Attributes;\r
+ Status = SetHiiVariable (Guid, Name, Attributes, Data, *Size, VariableOffset);\r
break;\r
\r
case PCD_TYPE_DATA:\r
\r
@param VariableGuid Guid of variable which stored value of a HII-type PCD.\r
@param VariableName Unicode name of variable which stored value of a HII-type PCD.\r
+ @param SetAttributes Attributes bitmask to set for the variable.\r
@param Data Value want to be set.\r
@param DataSize Size of value\r
@param Offset Value offset of HII-type PCD in variable.\r
SetHiiVariable (\r
IN EFI_GUID *VariableGuid,\r
IN UINT16 *VariableName,\r
+ IN UINT32 SetAttributes,\r
IN CONST VOID *Data,\r
IN UINTN DataSize,\r
IN UINTN Offset\r
//\r
// Patch new PCD's value to offset in given HII variable.\r
//\r
- if (Size >= (DataSize + Offset)) {\r
+ if (Size >= (DataSize + Offset)) {\r
SetSize = Size;\r
} else {\r
SetSize = DataSize + Offset;\r
\r
CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r
\r
+ if (SetAttributes == 0) {\r
+ SetAttributes = Attribute;\r
+ }\r
+\r
Status = gRT->SetVariable (\r
VariableName,\r
VariableGuid,\r
- Attribute,\r
+ SetAttributes,\r
SetSize,\r
Buffer\r
);\r
ASSERT (Buffer != NULL);\r
\r
CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r
- \r
+\r
+ if (SetAttributes == 0) {\r
+ SetAttributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;\r
+ }\r
+\r
Status = gRT->SetVariable (\r
VariableName,\r
VariableGuid,\r
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
+ SetAttributes,\r
Size,\r
Buffer\r
);\r
}\r
\r
//\r
- // If we drop to here, the value is failed to be written in to variable area\r
- // So, we will save the data in the PCD Database's volatile area.\r
+ // If we drop to here, the value is failed to be written in to variable area.\r
//\r
return Status;\r
}\r
\r
MatchGuidIdx = MatchGuid - GuidTable;\r
\r
- for (Index = 0; Index < mPeiExMapppingTableSize; Index++) {\r
+ for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r
return ExMap[Index].TokenNumber;\r
\r
MatchGuidIdx = MatchGuid - GuidTable;\r
\r
- for (Index = 0; Index < mDxeExMapppingTableSize; Index++) {\r
+ for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r
return ExMap[Index].TokenNumber;\r
//\r
SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r
for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (SkuIdTable[1 + Index] == mPcdDatabase.PeiDb->SystemSkuId) {\r
+ if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r
return SizeTable[SizeTableIdx + 1 + Index];\r
}\r
}\r
//\r
SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r
for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (SkuIdTable[1 + Index] == mPcdDatabase.PeiDb->SystemSkuId) {\r
+ if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r
SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r
return TRUE;\r
}\r
}\r
}\r
}\r
+\r
+/**\r
+ VariableLock DynamicHiiPcd.\r
+\r
+ @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r
+ If FALSE, the pcd entry is initialized in DXE phase.\r
+ @param[in] VariableLock Pointer to VariableLockProtocol.\r
+\r
+**/\r
+VOID\r
+VariableLockDynamicHiiPcd (\r
+ IN BOOLEAN IsPeiDb,\r
+ IN EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ PCD_DATABASE_INIT *Database;\r
+ UINT32 LocalTokenCount; \r
+ UINTN TokenNumber;\r
+ UINT32 LocalTokenNumber;\r
+ UINTN Offset;\r
+ EFI_GUID *GuidTable;\r
+ UINT8 *StringTable;\r
+ VARIABLE_HEAD *VariableHead;\r
+ EFI_GUID *Guid;\r
+ UINT16 *Name;\r
+\r
+ Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r
+ LocalTokenCount = IsPeiDb ? mPeiLocalTokenCount: mDxeLocalTokenCount;\r
+\r
+ //\r
+ // Go through PCD database to find out DynamicHii PCDs.\r
+ //\r
+ for (TokenNumber = 0; TokenNumber < LocalTokenCount; TokenNumber++) {\r
+ if (IsPeiDb) {\r
+ LocalTokenNumber = GetLocalTokenNumber (TRUE, TokenNumber);\r
+ } else {\r
+ LocalTokenNumber = GetLocalTokenNumber (FALSE, TokenNumber + mPeiLocalTokenCount);\r
+ }\r
+ if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r
+ Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r
+ VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r
+ //\r
+ // Why not to set property by VarCheckProtocol with Attributes and Property directly here?\r
+ // It is because that set property by VarCheckProtocol will indicate the variable to\r
+ // be a system variable, but the unknown max size of the variable is dangerous to\r
+ // the system variable region.\r
+ //\r
+ if ((VariableHead->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {\r
+ //\r
+ // DynamicHii PCD with RO property set in *.dsc.\r
+ //\r
+ StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r
+ GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r
+ Guid = GuidTable + VariableHead->GuidTableIndex;\r
+ Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r
+ Status = VariableLock->RequestToLock (VariableLock, Name, Guid);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ }\r
+ }\r
+}\r
+\r
+/**\r
+ VariableLockProtocol callback\r
+ to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r
+\r
+ @param[in] Event Event whose notification function is being invoked.\r
+ @param[in] Context Pointer to the notification function's context.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+VariableLockCallBack (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r
+\r
+ Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r
+ if (!EFI_ERROR (Status)) {\r
+ VariableLockDynamicHiiPcd (TRUE, VariableLock);\r
+ VariableLockDynamicHiiPcd (FALSE, VariableLock);\r
+ }\r
+}\r
+\r
projects / mirror_edk2.git / blobdiff