/** @file\r
Help functions used by PCD DXE driver.\r
\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>\r
+Copyright (c) 2006 - 2014, 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
http://opensource.org/licenses/bsd-license.php\r
**/\r
\r
#include "Service.h"\r
+#include <Library/DxeServicesLib.h>\r
\r
-PCD_DATABASE * mPcdDatabase;\r
+PCD_DATABASE mPcdDatabase;\r
\r
-LIST_ENTRY *mCallbackFnTable;\r
+UINT32 mPcdTotalTokenCount; \r
+UINT32 mPeiLocalTokenCount; \r
+UINT32 mDxeLocalTokenCount; \r
+UINT32 mPeiNexTokenCount; \r
+UINT32 mDxeNexTokenCount; \r
+UINT32 mPeiExMapppingTableSize;\r
+UINT32 mDxeExMapppingTableSize;\r
+UINT32 mPeiGuidTableSize;\r
+UINT32 mDxeGuidTableSize;\r
+\r
+BOOLEAN mPeiExMapTableEmpty; \r
+BOOLEAN mDxeExMapTableEmpty; \r
+BOOLEAN mPeiDatabaseEmpty;\r
+\r
+LIST_ENTRY *mCallbackFnTable;\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
+ // 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
- UINT16 *StringTable;\r
+ UINT8 *StringTable;\r
EFI_GUID *Guid;\r
UINT16 *Name;\r
VARIABLE_HEAD *VariableHead;\r
VPD_HEAD *VpdHead;\r
UINT8 *PcdDb;\r
VOID *RetPtr;\r
- UINTN MaxSize;\r
UINTN TmpTokenNumber;\r
UINTN DataSize;\r
EFI_STATUS Status;\r
UINT32 LocalTokenNumber;\r
UINT32 Offset;\r
- UINT16 StringTableIdx; \r
+ STRING_HEAD StringTableIdx; \r
BOOLEAN IsPeiDb;\r
\r
//\r
EfiAcquireLock (&mPcdDatabaseLock);\r
\r
RetPtr = NULL;\r
+\r
+ ASSERT (TokenNumber > 0);\r
//\r
// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r
// We have to decrement TokenNumber by 1 to make it usable\r
TokenNumber--;\r
\r
TmpTokenNumber = TokenNumber;\r
- \r
+\r
//\r
- // PCD_TOTAL_TOKEN_NUMBER is a auto-generated constant.\r
- // It could be zero. EBC compiler is very choosy. It may\r
- // report warning. So we add 1 in each size of the \r
+ // EBC compiler is very choosy. It may report warning about comparison\r
+ // between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
//\r
- ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r
+ ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r
\r
ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r
\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
- IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);\r
+ IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r
\r
- LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable : \r
- mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r
+ LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r
\r
- TokenNumber = IsPeiDb ? TokenNumber :\r
- TokenNumber - PEI_LOCAL_TOKEN_NUMBER;\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
-\r
- PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);\r
+ PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r
\r
if (IsPeiDb) {\r
- StringTable = (UINT16 *) (&mPcdDatabase->PeiDb.Init.StringTable[0]);\r
+ StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r
} else {\r
- StringTable = (UINT16 *) (&mPcdDatabase->DxeDb.Init.StringTable[0]);\r
+ StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r
}\r
- \r
- \r
+\r
+\r
Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r
- \r
+\r
switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r
case PCD_TYPE_VPD:\r
VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r
- RetPtr = (VOID *) (UINTN) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r
+ RetPtr = (VOID *) (UINTN) (PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);\r
+\r
break;\r
- \r
+\r
+ case PCD_TYPE_HII|PCD_TYPE_STRING:\r
case PCD_TYPE_HII:\r
if (IsPeiDb) {\r
- GuidTable = (EFI_GUID *) (&mPcdDatabase->PeiDb.Init.GuidTable[0]);\r
+ GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r
} else {\r
- GuidTable = (EFI_GUID *) (&mPcdDatabase->DxeDb.Init.GuidTable[0]);\r
+ GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r
}\r
- \r
+\r
VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r
- \r
Guid = GuidTable + VariableHead->GuidTableIndex;\r
- Name = StringTable + VariableHead->StringIndex;\r
- VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r
-\r
+ Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r
+\r
+ if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r
+ //\r
+ // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of \r
+ // string array in string table.\r
+ //\r
+ StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \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
- CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r
FreePool (Data);\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
- //\r
- // If the operation is not successful, \r
- // Return 1) either the default value specified by Platform Integrator \r
- // 2) Or the value Set by a PCD set operation.\r
- //\r
RetPtr = (VOID *) VaraiableDefaultBuffer;\r
break;\r
\r
case PCD_TYPE_STRING:\r
- StringTableIdx = (UINT16) *((UINT8 *) PcdDb + Offset);\r
+ StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r
RetPtr = (VOID *) (StringTable + StringTableIdx);\r
break;\r
\r
}\r
\r
EfiReleaseLock (&mPcdDatabaseLock);\r
- \r
+\r
return RetPtr;\r
- \r
+\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
+ // as the array index of mCallbackFnTable[].\r
//\r
- TokenNumber--;\r
-\r
- ListHead = &mCallbackFnTable[TokenNumber];\r
+ ListHead = &mCallbackFnTable[TokenNumber - 1];\r
ListNode = GetFirstNode (ListHead);\r
\r
while (ListNode != ListHead) {\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
+ // as the array index of mCallbackFnTable[].\r
//\r
- TokenNumber--;\r
-\r
- ListHead = &mCallbackFnTable[TokenNumber];\r
+ ListHead = &mCallbackFnTable[TokenNumber - 1];\r
ListNode = GetFirstNode (ListHead);\r
\r
while (ListNode != ListHead) {\r
UINTN Index;\r
UINTN GuidTableIdx;\r
BOOLEAN Found;\r
+ UINTN ExMapTableCount;\r
\r
//\r
// Scan token space guid \r
//\r
Found = FALSE;\r
GuidTableIdx = MatchGuid - GuidTable;\r
- for (Index = 0; Index < SizeOfExMapTable; Index++) {\r
+ ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r
+ for (Index = 0; Index < ExMapTableCount; Index++) {\r
if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r
Found = TRUE;\r
break;\r
return EFI_SUCCESS;\r
}\r
\r
- for ( ; Index < SizeOfExMapTable; Index++) {\r
+ for ( ; Index < ExMapTableCount; Index++) {\r
if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r
- Index ++;\r
- if (Index == SizeOfExMapTable) {\r
- //\r
- // Exceed the length of ExMap Table\r
- //\r
- *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r
- return EFI_SUCCESS;\r
- } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r
- //\r
- // Found the next match\r
- //\r
- *TokenNumber = ExMapTable[Index].ExTokenNumber;\r
- return EFI_SUCCESS;\r
- } else {\r
- //\r
- // Guid has been changed. It is the next Token Space Guid.\r
- // We should flag no more TokenNumber.\r
- //\r
- *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r
- return EFI_SUCCESS;\r
- }\r
+ break;\r
+ }\r
+ }\r
+\r
+ while (Index < ExMapTableCount) {\r
+ Index++;\r
+ if (Index == ExMapTableCount) {\r
+ //\r
+ // Exceed the length of ExMap Table\r
+ //\r
+ *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r
+ return EFI_NOT_FOUND;\r
+ } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r
+ //\r
+ // Found the next match\r
+ //\r
+ *TokenNumber = ExMapTable[Index].ExTokenNumber;\r
+ return EFI_SUCCESS;\r
}\r
}\r
}\r
- \r
+\r
return EFI_NOT_FOUND;\r
}\r
\r
+/**\r
+ Find the PCD database.\r
+\r
+ @retval The base address of external PCD database binary.\r
+ @retval NULL Return NULL if not find.\r
+**/\r
+DXE_PCD_DATABASE *\r
+LocateExPcdBinary (\r
+ VOID\r
+) \r
+{\r
+ DXE_PCD_DATABASE *DxePcdDbBinary;\r
+ UINTN DxePcdDbSize;\r
+ EFI_STATUS Status;\r
+ \r
+ DxePcdDbBinary = NULL;\r
+ //\r
+ // Search the External Pcd database from one section of current FFS, \r
+ // and read it to memory\r
+ //\r
+ Status = GetSectionFromFfs (\r
+ EFI_SECTION_RAW,\r
+ 0,\r
+ (VOID **) &DxePcdDbBinary,\r
+ &DxePcdDbSize\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Check the first bytes (Header Signature Guid) and build version.\r
+ //\r
+ if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r
+ (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r
+ ASSERT (FALSE);\r
+ }\r
+\r
+ return DxePcdDbBinary;\r
+}\r
\r
/**\r
Initialize the PCD database in DXE phase.\r
PEI_PCD_DATABASE *PeiDatabase;\r
EFI_HOB_GUID_TYPE *GuidHob;\r
UINTN Index;\r
+ UINT32 PcdDxeDbLen;\r
+ VOID *PcdDxeDb;\r
\r
- mPcdDatabase = AllocateZeroPool (sizeof(PCD_DATABASE));\r
- ASSERT (mPcdDatabase != NULL);\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
- //\r
- // We will copy over the PEI phase's PCD Database.\r
// \r
// If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r
// should not be included at all. So the GuidHob could\r
\r
PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r
//\r
- // Copy PCD Entries refereneced in PEI phase to PCD DATABASE\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
- CopyMem (&mPcdDatabase->PeiDb, PeiDatabase, sizeof (PEI_PCD_DATABASE));\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
- // Copy PCD Entries with default value to PCD DATABASE\r
+ // Initialized the external PCD database local variables\r
//\r
- CopyMem (&mPcdDatabase->DxeDb.Init, &gDXEPcdDbInit, sizeof(DXE_PCD_DATABASE_INIT));\r
+ mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r
+ mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r
+\r
+ mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r
+ mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r
+ mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r
+ mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r
+\r
+ mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r
+ mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r
+ mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r
\r
+ mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r
+ mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r
+ mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r
+\r
+ TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r
+ TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r
\r
//\r
// Initialized the Callback Function Table\r
//\r
-\r
- mCallbackFnTable = AllocateZeroPool (PCD_TOTAL_TOKEN_NUMBER * sizeof (LIST_ENTRY));\r
+ mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r
ASSERT(mCallbackFnTable != NULL);\r
- \r
+\r
+ //\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
- for (Index = 0; Index + 1 < PCD_TOTAL_TOKEN_NUMBER + 1; Index++) {\r
+ //\r
+ for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r
InitializeListHead (&mCallbackFnTable[Index]);\r
}\r
}\r
ASSERT (Status == EFI_SUCCESS);\r
*VariableData = Buffer;\r
*VariableSize = Size;\r
+ } else {\r
+ //\r
+ // Use Default Data only when variable is not found. \r
+ // For other error status, correct data can't be got, and trig ASSERT().\r
+ //\r
+ ASSERT (Status == EFI_NOT_FOUND);\r
}\r
\r
return Status;\r
SKU_ID *SkuIdTable;\r
INTN Index;\r
UINT8 *Value;\r
- SKU_ID *PhaseSkuIdTable;\r
UINT8 *PcdDb;\r
+ BOOLEAN FoundSku;\r
\r
ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r
\r
- PcdDb = IsPeiDb ? (UINT8 *) &mPcdDatabase->PeiDb : (UINT8 *) &mPcdDatabase->DxeDb;\r
+ PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r
\r
SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r
Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r
\r
- PhaseSkuIdTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.SkuIdTable :\r
- mPcdDatabase->DxeDb.Init.SkuIdTable;\r
- \r
- SkuIdTable = &PhaseSkuIdTable[SkuHead->SkuIdTableOffset];\r
- \r
+ SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r
//\r
// Find the current system's SKU ID entry in SKU ID table.\r
//\r
+ FoundSku = FALSE;\r
for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (mPcdDatabase->PeiDb.Init.SystemSkuId == SkuIdTable[Index + 1]) {\r
+ if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r
+ FoundSku = TRUE;\r
break;\r
}\r
}\r
+ \r
+ //\r
+ // Find the default SKU ID entry in SKU ID table.\r
+ //\r
+ \r
+ if(!FoundSku) {\r
+ for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
+ if (0 == SkuIdTable[Index + 1]) {\r
+ break;\r
+ }\r
+ }\r
+ }\r
ASSERT (Index < SkuIdTable[0]);\r
\r
switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r
Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r
return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r
\r
+ case PCD_TYPE_HII|PCD_TYPE_STRING:\r
+ Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r
+ return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r
+\r
case PCD_TYPE_STRING:\r
Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r
return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r
\r
case PCD_TYPE_DATA:\r
Value += Size * Index;\r
- return (UINT32) (Value - PcdDb);\r
+ return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r
\r
default:\r
ASSERT (FALSE);\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
+ // as the array index of mCallbackFnTable[].\r
//\r
- TokenNumber--;\r
- \r
- ListHead = &mCallbackFnTable[TokenNumber];\r
+ ListHead = &mCallbackFnTable[TokenNumber - 1];\r
ListNode = GetFirstNode (ListHead);\r
\r
while (ListNode != ListHead) {\r
- FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r
+ FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r
\r
FnTableEntry->CallbackFn(Guid, \r
(Guid == NULL) ? TokenNumber : ExTokenNumber,\r
\r
@retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r
@retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r
+ @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r
@retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r
range of UINT8, UINT16, UINT32, UINT64\r
@retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r
IN BOOLEAN PtrType\r
)\r
{\r
- UINT32 *LocalTokenNumberTable;\r
BOOLEAN IsPeiDb;\r
UINT32 LocalTokenNumber;\r
EFI_GUID *GuidTable;\r
- UINT16 *StringTable;\r
+ UINT8 *StringTable;\r
EFI_GUID *Guid;\r
UINT16 *Name;\r
UINTN VariableOffset;\r
UINTN MaxSize;\r
UINTN TmpTokenNumber;\r
\r
- //\r
- // Aquire lock to prevent reentrance from TPL_CALLBACK level\r
- //\r
- EfiAcquireLock (&mPcdDatabaseLock);\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
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
//\r
- ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r
+ ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r
\r
- if (!PtrType) {\r
- ASSERT (*Size == DxePcdGetSize (TokenNumber + 1));\r
+ if (PtrType) {\r
+ //\r
+ // Get MaxSize first, then check new size with max buffer size.\r
+ //\r
+ GetPtrTypeSize (TokenNumber, &MaxSize);\r
+ if (*Size > MaxSize) {\r
+ *Size = MaxSize;\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } else {\r
+ if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
}\r
- \r
+\r
//\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
//\r
- IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);\r
+ if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r
+ (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r
+ InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r
+ }\r
\r
- LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable : \r
- mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r
+ //\r
+ // Aquire lock to prevent reentrance from TPL_CALLBACK level\r
+ //\r
+ EfiAcquireLock (&mPcdDatabaseLock);\r
\r
//\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
//\r
- if ((TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1) ||\r
- (TokenNumber + 1 >= PEI_LOCAL_TOKEN_NUMBER + 1 || TokenNumber + 1 < (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1))) {\r
- InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r
- }\r
-\r
- TokenNumber = IsPeiDb ? TokenNumber\r
- : TokenNumber - PEI_LOCAL_TOKEN_NUMBER;\r
+ IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\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
- PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);\r
+ PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r
\r
if (IsPeiDb) {\r
- StringTable = (UINT16 *) (&mPcdDatabase->PeiDb.Init.StringTable[0]);\r
+ StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r
} else {\r
- StringTable = (UINT16 *) (&mPcdDatabase->DxeDb.Init.StringTable[0]);\r
+ StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r
}\r
\r
\r
\r
case PCD_TYPE_STRING:\r
if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r
- CopyMem (StringTable + *((UINT16 *)InternalData), Data, *Size);\r
+ CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r
Status = EFI_SUCCESS;\r
} else {\r
Status = EFI_INVALID_PARAMETER;\r
}\r
break;\r
\r
+ case PCD_TYPE_HII|PCD_TYPE_STRING:\r
case PCD_TYPE_HII:\r
if (PtrType) {\r
if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r
break;\r
}\r
}\r
- \r
+\r
if (IsPeiDb) {\r
- GuidTable = (EFI_GUID *) (&mPcdDatabase->PeiDb.Init.GuidTable[0]);\r
+ GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r
} else {\r
- GuidTable = (EFI_GUID *) (&mPcdDatabase->DxeDb.Init.GuidTable[0]);\r
+ GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r
}\r
- \r
+\r
VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r
- \r
+\r
Guid = GuidTable + VariableHead->GuidTableIndex;\r
- Name = StringTable + VariableHead->StringIndex;\r
+ Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r
VariableOffset = VariableHead->Offset;\r
-\r
Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r
\r
if (EFI_NOT_FOUND == Status) {\r
- CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\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
+ }\r
break;\r
\r
case PCD_TYPE_DATA:\r
}\r
\r
/**\r
- Set value for a dynamic PCD entry.\r
+ Set value for a dynamic-ex PCD entry.\r
\r
This routine find the local token number according to dynamic-ex PCD's token \r
space guid and token number firstly, and invoke callback function if this PCD\r
VOID *Buffer;\r
EFI_STATUS Status;\r
UINT32 Attribute;\r
+ UINTN SetSize;\r
\r
Size = 0;\r
+ SetSize = 0;\r
\r
+ //\r
+ // Try to get original variable size information.\r
+ //\r
Status = gRT->GetVariable (\r
(UINT16 *)VariableName,\r
VariableGuid,\r
&Size,\r
NULL\r
);\r
-\r
+ \r
if (Status == EFI_BUFFER_TOO_SMALL) {\r
-\r
- Buffer = AllocatePool (Size);\r
-\r
+ //\r
+ // Patch new PCD's value to offset in given HII variable.\r
+ //\r
+ if (Size >= (DataSize + Offset)) {\r
+ SetSize = Size;\r
+ } else {\r
+ SetSize = DataSize + Offset;\r
+ }\r
+ Buffer = AllocatePool (SetSize);\r
ASSERT (Buffer != NULL);\r
\r
Status = gRT->GetVariable (\r
VariableName,\r
VariableGuid,\r
Attribute,\r
- Size,\r
+ SetSize,\r
Buffer\r
);\r
\r
FreePool (Buffer);\r
return Status;\r
+ } else if (Status == EFI_NOT_FOUND) {\r
+ //\r
+ // If variable does not exist, a new variable need to be created.\r
+ //\r
+ \r
+ Size = Offset + DataSize;\r
+ \r
+ Buffer = AllocateZeroPool (Size);\r
+ ASSERT (Buffer != NULL);\r
+ \r
+ CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r
+ \r
+ Status = gRT->SetVariable (\r
+ VariableName,\r
+ VariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
+ Size,\r
+ Buffer\r
+ );\r
\r
- } \r
+ FreePool (Buffer);\r
+ return Status; \r
+ }\r
\r
//\r
- // If we drop to here, we don't have a Variable entry in\r
- // the variable service yet. So, we will save the data\r
- // 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
+ // So, we will save the data in the PCD Database's volatile area.\r
//\r
return Status;\r
}\r
\r
/**\r
- Get local token number according to dynamic-ex PCD's {token space guid:token number}\r
+ Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r
\r
A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r
in DEC file. PCD database maintain a mapping table that translate pair of {token\r
- space guid: token number} to local token number.\r
+ space guid: token number} to Token Number.\r
\r
@param Guid Token space guid for dynamic-ex PCD entry.\r
@param ExTokenNumber Dynamic-ex PCD token number.\r
\r
- @return local token number for dynamic-ex PCD.\r
+ @return Token Number for dynamic-ex PCD.\r
\r
**/\r
UINTN \r
EFI_GUID *MatchGuid;\r
UINTN MatchGuidIdx;\r
\r
- if (!PEI_DATABASE_EMPTY) {\r
- ExMap = mPcdDatabase->PeiDb.Init.ExMapTable;\r
- GuidTable = mPcdDatabase->PeiDb.Init.GuidTable;\r
- \r
- MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->PeiDb.Init.GuidTable), Guid);\r
- \r
+ if (!mPeiDatabaseEmpty) {\r
+ ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r
+ GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r
+\r
+ MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r
+\r
if (MatchGuid != NULL) {\r
\r
MatchGuidIdx = MatchGuid - GuidTable;\r
- \r
- for (Index = 0; Index < PEI_EXMAPPING_TABLE_SIZE; Index++) {\r
+\r
+ for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r
- return ExMap[Index].LocalTokenNumber;\r
+ return ExMap[Index].TokenNumber;\r
}\r
}\r
}\r
}\r
- \r
- ExMap = mPcdDatabase->DxeDb.Init.ExMapTable;\r
- GuidTable = mPcdDatabase->DxeDb.Init.GuidTable;\r
\r
- MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->DxeDb.Init.GuidTable), Guid);\r
+ ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r
+ GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r
+\r
+ MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r
//\r
// We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r
// error in the BUILD system.\r
ASSERT (MatchGuid != NULL);\r
\r
MatchGuidIdx = MatchGuid - GuidTable;\r
- \r
- for (Index = 0; Index < DXE_EXMAPPING_TABLE_SIZE; Index++) {\r
+\r
+ for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r
- return ExMap[Index].LocalTokenNumber;\r
+ return ExMap[Index].TokenNumber;\r
}\r
}\r
\r
Get SKU ID table from PCD database.\r
\r
@param LocalTokenNumberTableIdx Index of local token number in token number table.\r
- @param IsPeiPcd If TRUE, \r
-\r
+ @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r
+ If FALSE, the pcd entry is initialized in DXE phase.\r
@return Pointer to SKU ID array table\r
\r
**/\r
SKU_ID *\r
GetSkuIdArray (\r
IN UINTN LocalTokenNumberTableIdx,\r
- IN BOOLEAN IsPeiPcd\r
+ IN BOOLEAN IsPeiDb\r
)\r
{\r
SKU_HEAD *SkuHead;\r
UINTN LocalTokenNumber;\r
UINT8 *Database;\r
\r
- if (IsPeiPcd) {\r
- LocalTokenNumber = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r
- Database = (UINT8 *) &mPcdDatabase->PeiDb;\r
+ if (IsPeiDb) {\r
+ LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r
+ Database = (UINT8 *) mPcdDatabase.PeiDb;\r
} else {\r
- LocalTokenNumber = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx - PEI_LOCAL_TOKEN_NUMBER];\r
- Database = (UINT8 *) &mPcdDatabase->DxeDb;\r
+ LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r
+ Database = (UINT8 *) mPcdDatabase.DxeDb;\r
}\r
\r
ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r
SKU_ID *SkuIdTable;\r
\r
if (IsPeiDb) {\r
- LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r
+ LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r
} else {\r
- LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r
+ LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r
}\r
\r
SizeTableIdx = 0;\r
//\r
if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r
//\r
- // We have only one entry for VPD enabled PCD entry:\r
+ // We have only two entry for VPD enabled PCD entry:\r
// 1) MAX Size.\r
- // We consider current size is equal to MAX size.\r
+ // 2) Current Size\r
+ // Current size is equal to MAX size.\r
//\r
- SizeTableIdx++;\r
+ SizeTableIdx += 2;\r
} else {\r
if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r
//\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
- IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
+ IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r
\r
\r
if (IsPeiDb) {\r
- LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r
- SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;\r
+ LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r
+ SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r
} else {\r
- LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;\r
- LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r
- SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;\r
+ LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r
+ LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r
+ SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r
}\r
\r
LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r
//\r
if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r
//\r
- // We have only one entry for VPD enabled PCD entry:\r
+ // We have only two entry for VPD enabled PCD entry:\r
// 1) MAX Size.\r
+ // 2) Current Size\r
// We consider current size is equal to MAX size.\r
//\r
return *MaxSize;\r
//\r
SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r
for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {\r
+ if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r
return SizeTable[SizeTableIdx + 1 + Index];\r
}\r
}\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
//\r
- IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
+ IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r
\r
if (IsPeiDb) {\r
- LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r
- SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;\r
+ LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r
+ SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r
} else {\r
- LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;\r
- LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r
- SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;\r
+ LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r
+ LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r
+ SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r
}\r
\r
LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r
//\r
SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r
for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {\r
+ if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r
SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r
return TRUE;\r
}\r
projects / mirror_edk2.git / blobdiff