The driver internal functions are implmented here.\r
They build Pei PCD database, and provide access service to PCD database.\r
\r
-Copyright (c) 2006 - 2008, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "Service.h"\r
\r
+/**\r
+ Get Local Token Number by Token Number.\r
+\r
+ @param[in] Database PCD database.\r
+ @param[in] TokenNumber The PCD token number.\r
+\r
+ @return Local Token Number.\r
+**/\r
+UINT32\r
+GetLocalTokenNumber (\r
+ IN PEI_PCD_DATABASE *Database,\r
+ IN UINTN TokenNumber\r
+ )\r
+{\r
+ UINT32 LocalTokenNumber;\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
+ LocalTokenNumber = *((UINT32 *)((UINT8 *)Database + Database->LocalTokenNumberTableOffset) + TokenNumber);\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
+\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] Database PCD database.\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 PEI_PCD_DATABASE *Database,\r
+ IN UINTN TokenNumber\r
+ )\r
+{\r
+ UINT8 *StringTable;\r
+ UINTN NameSize;\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 (Database->PcdNameTableOffset == 0) {\r
+ return NULL;\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
+ 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
+ NameSize = AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName);\r
+ Name = AllocateZeroPool (NameSize);\r
+ ASSERT (Name != NULL);\r
+ //\r
+ // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r
+ //\r
+ AsciiStrCatS (Name, NameSize, TokenSpaceName);\r
+ Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r
+ AsciiStrCatS (Name, NameSize, 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] Database PCD database.\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 PEI_PCD_DATABASE *Database,\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ )\r
+{\r
+ UINTN GuidTableIdx;\r
+ EFI_GUID *MatchGuid;\r
+ EFI_GUID *GuidTable;\r
+ DYNAMICEX_MAPPING *ExMapTable;\r
+ UINTN Index;\r
+ UINT32 LocalTokenNumber;\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, Database, ExMapTable[Index].TokenNumber);\r
+ return EFI_SUCCESS;\r
+ } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r
+ PcdInfo->PcdSize = PeiPcdGetSize (ExMapTable[Index].TokenNumber);\r
+ LocalTokenNumber = GetLocalTokenNumber (Database, ExMapTable[Index].TokenNumber);\r
+ PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r
+ PcdInfo->PcdName = GetPcdName (FALSE, Database, 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
+PeiGetPcdInfo (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ )\r
+{\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+ BOOLEAN PeiExMapTableEmpty;\r
+ UINTN PeiNexTokenNumber;\r
+ UINT32 LocalTokenNumber;\r
+\r
+ ASSERT (PcdInfo != NULL);\r
+\r
+ PeiPcdDb = GetPcdDatabase ();\r
+ PeiNexTokenNumber = PeiPcdDb->LocalTokenCount - PeiPcdDb->ExTokenCount;\r
+\r
+ if (PeiPcdDb->ExTokenCount == 0) {\r
+ PeiExMapTableEmpty = TRUE;\r
+ } else {\r
+ PeiExMapTableEmpty = FALSE;\r
+ }\r
+\r
+ if (Guid == NULL) {\r
+ if (TokenNumber > PeiNexTokenNumber) {\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 = PeiPcdGetSize (TokenNumber);\r
+ LocalTokenNumber = GetLocalTokenNumber (PeiPcdDb, TokenNumber);\r
+ PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r
+ PcdInfo->PcdName = GetPcdName (FALSE, PeiPcdDb, TokenNumber);\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ if (PeiExMapTableEmpty) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ return ExGetPcdInfo (\r
+ PeiPcdDb,\r
+ Guid,\r
+ TokenNumber,\r
+ PcdInfo\r
+ );\r
+ }\r
+}\r
+\r
/**\r
The function registers the CallBackOnSet fucntion\r
according to TokenNumber and EFI_GUID space.\r
@retval EFI_NOT_FOUND If the PCD Entry is not found according to Token Number and GUID space.\r
@retval EFI_OUT_OF_RESOURCES If the callback function can't be registered because there is not free\r
slot left in the CallbackFnTable.\r
+ @retval EFI_INVALID_PARAMETER If the callback function want to be de-registered can not be found.\r
**/\r
EFI_STATUS\r
PeiRegisterCallBackWorker (\r
- IN UINTN ExTokenNumber,\r
- IN CONST EFI_GUID *Guid, OPTIONAL\r
- IN PCD_PPI_CALLBACK CallBackFunction,\r
- IN BOOLEAN Register\r
-)\r
+ IN UINTN ExTokenNumber,\r
+ IN CONST EFI_GUID *Guid OPTIONAL,\r
+ IN PCD_PPI_CALLBACK CallBackFunction,\r
+ IN BOOLEAN Register\r
+ )\r
{\r
- EFI_HOB_GUID_TYPE *GuidHob;\r
- PCD_PPI_CALLBACK *CallbackTable;\r
- PCD_PPI_CALLBACK Compare;\r
- PCD_PPI_CALLBACK Assign;\r
- UINT32 LocalTokenNumber;\r
- UINTN TokenNumber;\r
- UINTN Idx;\r
+ EFI_HOB_GUID_TYPE *GuidHob;\r
+ PCD_PPI_CALLBACK *CallbackTable;\r
+ PCD_PPI_CALLBACK Compare;\r
+ PCD_PPI_CALLBACK Assign;\r
+ UINT32 LocalTokenNumber;\r
+ UINT32 LocalTokenCount;\r
+ UINTN PeiNexTokenNumber;\r
+ UINTN TokenNumber;\r
+ UINTN Idx;\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+\r
+ PeiPcdDb = GetPcdDatabase ();\r
+ LocalTokenCount = PeiPcdDb->LocalTokenCount;\r
+ PeiNexTokenNumber = PeiPcdDb->LocalTokenCount - PeiPcdDb->ExTokenCount;\r
\r
if (Guid == NULL) {\r
TokenNumber = ExTokenNumber;\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
- ASSERT (TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1);\r
+ ASSERT (TokenNumber + 1 < (PeiNexTokenNumber + 1));\r
} else {\r
TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r
+ if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
\r
//\r
// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r
//\r
TokenNumber--;\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
+ // between UINTN and 0 . So we add 1 in each size of the\r
// comparison.\r
- ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
+ ASSERT ((TokenNumber + 1) < (LocalTokenCount + 1));\r
}\r
\r
-\r
- LocalTokenNumber = GetPcdDatabase()->Init.LocalTokenNumberTable[TokenNumber];\r
+ LocalTokenNumber = *((UINT32 *)((UINT8 *)PeiPcdDb + PeiPcdDb->LocalTokenNumberTableOffset) + TokenNumber);\r
\r
//\r
// We don't support SET for HII and VPD type PCD entry in PEI phase.\r
\r
GuidHob = GetFirstGuidHob (&gEfiCallerIdGuid);\r
ASSERT (GuidHob != NULL);\r
- \r
- CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r
- CallbackTable = CallbackTable + (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r
\r
- Compare = Register? NULL: CallBackFunction;\r
- Assign = Register? CallBackFunction: NULL;\r
+ CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r
+ CallbackTable = CallbackTable + (TokenNumber * PcdGet32 (PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r
\r
+ Compare = Register ? NULL : CallBackFunction;\r
+ Assign = Register ? CallBackFunction : NULL;\r
\r
- for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r
+ for (Idx = 0; Idx < PcdGet32 (PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r
if (CallbackTable[Idx] == Compare) {\r
CallbackTable[Idx] = Assign;\r
return EFI_SUCCESS;\r
}\r
}\r
\r
- return Register? EFI_OUT_OF_RESOURCES : EFI_NOT_FOUND;\r
+ return Register ? EFI_OUT_OF_RESOURCES : EFI_INVALID_PARAMETER;\r
+}\r
+\r
+/**\r
+ Find the Pcd database.\r
+\r
+ @param FileHandle Handle of the file the external PCD database binary located.\r
\r
+ @retval The base address of external PCD database binary.\r
+ @retval NULL Return NULL if not find.\r
+**/\r
+VOID *\r
+LocateExPcdBinary (\r
+ IN EFI_PEI_FILE_HANDLE FileHandle\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ VOID *PcdDb;\r
+\r
+ PcdDb = NULL;\r
+\r
+ ASSERT (FileHandle != NULL);\r
+\r
+ Status = PeiServicesFfsFindSectionData (EFI_SECTION_RAW, FileHandle, &PcdDb);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Check the first bytes (Header Signature Guid) and build version.\r
+ //\r
+ if (!CompareGuid (PcdDb, &gPcdDataBaseSignatureGuid) ||\r
+ (((PEI_PCD_DATABASE *)PcdDb)->BuildVersion != PCD_SERVICE_PEIM_VERSION))\r
+ {\r
+ ASSERT (FALSE);\r
+ }\r
+\r
+ return PcdDb;\r
}\r
\r
/**\r
The function builds the PCD database.\r
+\r
+ @param FileHandle Handle of the file the external PCD database binary located.\r
+\r
+ @return Pointer to PCD database.\r
**/\r
-VOID\r
+PEI_PCD_DATABASE *\r
BuildPcdDatabase (\r
- VOID\r
+ IN EFI_PEI_FILE_HANDLE FileHandle\r
)\r
{\r
PEI_PCD_DATABASE *Database;\r
+ PEI_PCD_DATABASE *PeiPcdDbBinary;\r
VOID *CallbackFnTable;\r
UINTN SizeOfCallbackFnTable;\r
- \r
- Database = BuildGuidHob (&gPcdDataBaseHobGuid, sizeof (PEI_PCD_DATABASE));\r
\r
- ZeroMem (Database, sizeof (PEI_PCD_DATABASE));\r
+ //\r
+ // Locate the external PCD database binary for one section of current FFS\r
+ //\r
+ PeiPcdDbBinary = LocateExPcdBinary (FileHandle);\r
+\r
+ ASSERT (PeiPcdDbBinary != NULL);\r
+\r
+ Database = BuildGuidHob (&gPcdDataBaseHobGuid, PeiPcdDbBinary->Length + PeiPcdDbBinary->UninitDataBaseSize);\r
+\r
+ ZeroMem (Database, PeiPcdDbBinary->Length + PeiPcdDbBinary->UninitDataBaseSize);\r
\r
//\r
- // gPEIPcdDbInit is smaller than PEI_PCD_DATABASE\r
+ // PeiPcdDbBinary is smaller than Database\r
//\r
- \r
- CopyMem (&Database->Init, &gPEIPcdDbInit, sizeof (gPEIPcdDbInit));\r
+ CopyMem (Database, PeiPcdDbBinary, PeiPcdDbBinary->Length);\r
\r
- SizeOfCallbackFnTable = PEI_LOCAL_TOKEN_NUMBER * sizeof (PCD_PPI_CALLBACK) * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry);\r
+ SizeOfCallbackFnTable = Database->LocalTokenCount * sizeof (PCD_PPI_CALLBACK) * PcdGet32 (PcdMaxPeiPcdCallBackNumberPerPcdEntry);\r
\r
CallbackFnTable = BuildGuidHob (&gEfiCallerIdGuid, SizeOfCallbackFnTable);\r
- \r
+\r
ZeroMem (CallbackFnTable, SizeOfCallbackFnTable);\r
+\r
+ return Database;\r
}\r
\r
/**\r
**/\r
EFI_STATUS\r
GetHiiVariable (\r
- IN CONST EFI_GUID *VariableGuid,\r
- IN UINT16 *VariableName,\r
- OUT VOID **VariableData,\r
- OUT UINTN *VariableSize\r
+ IN CONST EFI_GUID *VariableGuid,\r
+ IN UINT16 *VariableName,\r
+ OUT VOID **VariableData,\r
+ OUT UINTN *VariableSize\r
)\r
{\r
- UINTN Size;\r
- EFI_STATUS Status;\r
- VOID *Buffer;\r
- EFI_PEI_READ_ONLY_VARIABLE2_PPI *VariablePpi;\r
+ UINTN Size;\r
+ EFI_STATUS Status;\r
+ VOID *Buffer;\r
+ EFI_PEI_READ_ONLY_VARIABLE2_PPI *VariablePpi;\r
\r
- Status = PeiServicesLocatePpi (&gEfiPeiReadOnlyVariable2PpiGuid, 0, NULL, (VOID **) &VariablePpi);\r
+ Status = PeiServicesLocatePpi (&gEfiPeiReadOnlyVariable2PpiGuid, 0, NULL, (VOID **)&VariablePpi);\r
ASSERT_EFI_ERROR (Status);\r
\r
- Size = 0;\r
+ Size = 0;\r
Status = VariablePpi->GetVariable (\r
VariablePpi,\r
VariableName,\r
- (EFI_GUID *) VariableGuid,\r
+ (EFI_GUID *)VariableGuid,\r
NULL,\r
&Size,\r
NULL\r
ASSERT_EFI_ERROR (Status);\r
\r
Status = VariablePpi->GetVariable (\r
- VariablePpi,\r
- (UINT16 *) VariableName,\r
- (EFI_GUID *) VariableGuid,\r
- NULL,\r
- &Size,\r
- Buffer\r
- );\r
+ VariablePpi,\r
+ (UINT16 *)VariableName,\r
+ (EFI_GUID *)VariableGuid,\r
+ NULL,\r
+ &Size,\r
+ Buffer\r
+ );\r
ASSERT_EFI_ERROR (Status);\r
\r
*VariableSize = Size;\r
}\r
\r
/**\r
- Find the local token number according to system SKU ID.\r
-\r
- @param LocalTokenNumber PCD token number\r
- @param Size The size of PCD entry.\r
-\r
- @return Token number according to system SKU ID.\r
-\r
-**/\r
-UINT32\r
-GetSkuEnabledTokenNumber (\r
- UINT32 LocalTokenNumber,\r
- UINTN Size\r
- ) \r
-{\r
- PEI_PCD_DATABASE *PeiPcdDb;\r
- SKU_HEAD *SkuHead;\r
- SKU_ID *SkuIdTable;\r
- INTN Index;\r
- UINT8 *Value;\r
-\r
- PeiPcdDb = GetPcdDatabase ();\r
-\r
- ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r
-\r
- SkuHead = (SKU_HEAD *) ((UINT8 *)PeiPcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r
- Value = (UINT8 *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuDataStartOffset));\r
- SkuIdTable = (SKU_ID *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuIdTableOffset));\r
- \r
- for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (PeiPcdDb->Init.SystemSkuId == SkuIdTable[Index + 1]) {\r
- break;\r
- }\r
- }\r
-\r
- switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r
- case PCD_TYPE_VPD:\r
- Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r
- return (UINT32) ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_VPD);\r
-\r
- case PCD_TYPE_HII:\r
- Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r
- return (UINT32) ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_HII);\r
- \r
- case PCD_TYPE_STRING:\r
- Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r
- return (UINT32) ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_STRING);\r
-\r
- case PCD_TYPE_DATA:\r
- Value += Size * Index;\r
- return (UINT32) (Value - (UINT8 *) PeiPcdDb);\r
-\r
- default:\r
- ASSERT (FALSE);\r
- }\r
-\r
- ASSERT (FALSE);\r
-\r
- return 0;\r
-}\r
-\r
-/**\r
- Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r
+ Invoke the callback function when dynamic PCD entry was set, if this PCD entry\r
has registered callback function.\r
\r
@param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r
**/\r
VOID\r
InvokeCallbackOnSet (\r
- UINTN ExTokenNumber,\r
- CONST EFI_GUID *Guid, OPTIONAL\r
- UINTN TokenNumber,\r
- VOID *Data,\r
- UINTN Size\r
+ UINTN ExTokenNumber,\r
+ CONST EFI_GUID *Guid OPTIONAL,\r
+ UINTN TokenNumber,\r
+ VOID *Data,\r
+ UINTN Size\r
)\r
{\r
- EFI_HOB_GUID_TYPE *GuidHob;\r
- PCD_PPI_CALLBACK *CallbackTable;\r
- UINTN Idx;\r
+ EFI_HOB_GUID_TYPE *GuidHob;\r
+ PCD_PPI_CALLBACK *CallbackTable;\r
+ UINTN Idx;\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+ UINT32 LocalTokenCount;\r
\r
//\r
// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r
// as the array index.\r
//\r
TokenNumber--;\r
- \r
+\r
+ PeiPcdDb = GetPcdDatabase ();\r
+ LocalTokenCount = PeiPcdDb->LocalTokenCount;\r
+\r
if (Guid == NULL) {\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
+ // between UINTN and 0 . So we add 1 in each size of the\r
// comparison.\r
- ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
+ ASSERT (TokenNumber + 1 < (LocalTokenCount + 1));\r
}\r
\r
GuidHob = GetFirstGuidHob (&gEfiCallerIdGuid);\r
ASSERT (GuidHob != NULL);\r
- \r
+\r
CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r
\r
- CallbackTable += (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r
+ CallbackTable += (TokenNumber * PcdGet32 (PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r
\r
- for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r
+ for (Idx = 0; Idx < PcdGet32 (PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r
if (CallbackTable[Idx] != NULL) {\r
- CallbackTable[Idx] (Guid,\r
- (Guid == NULL)? TokenNumber: ExTokenNumber,\r
- Data,\r
- Size\r
- );\r
+ CallbackTable[Idx](Guid,\r
+ (Guid == NULL) ? (TokenNumber + 1) : ExTokenNumber,\r
+ Data,\r
+ Size\r
+ );\r
}\r
}\r
}\r
**/\r
EFI_STATUS\r
SetValueWorker (\r
- IN UINTN TokenNumber,\r
- IN VOID *Data,\r
- IN UINTN Size\r
+ IN UINTN TokenNumber,\r
+ IN VOID *Data,\r
+ IN UINTN Size\r
)\r
{\r
return SetWorker (TokenNumber, Data, &Size, FALSE);\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
+ @retval EFI_NOT_FOUND Can not find the PCD type according to token number.\r
**/\r
EFI_STATUS\r
SetWorker (\r
- IN UINTN TokenNumber,\r
- IN VOID *Data,\r
- IN OUT UINTN *Size,\r
- IN BOOLEAN PtrType\r
+ IN UINTN TokenNumber,\r
+ IN VOID *Data,\r
+ IN OUT UINTN *Size,\r
+ IN BOOLEAN PtrType\r
)\r
{\r
- UINT32 LocalTokenNumber;\r
- PEI_PCD_DATABASE *PeiPcdDb;\r
- UINT16 StringTableIdx;\r
- UINTN Offset;\r
- VOID *InternalData;\r
- UINTN MaxSize;\r
-\r
- if (!FeaturePcdGet(PcdPeiFullPcdDatabaseEnable)) {\r
+ UINT32 LocalTokenNumber;\r
+ UINTN PeiNexTokenNumber;\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+ STRING_HEAD StringTableIdx;\r
+ UINTN Offset;\r
+ VOID *InternalData;\r
+ UINTN MaxSize;\r
+ UINT32 LocalTokenCount;\r
+\r
+ if (!FeaturePcdGet (PcdPeiFullPcdDatabaseEnable)) {\r
return EFI_UNSUPPORTED;\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
+ PeiPcdDb = GetPcdDatabase ();\r
+ LocalTokenCount = PeiPcdDb->LocalTokenCount;\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
+ // between UINTN and 0 . So we add 1 in each size of the\r
// comparison.\r
- ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
- \r
- PeiPcdDb = GetPcdDatabase ();\r
-\r
- LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r
+ ASSERT (TokenNumber + 1 < (LocalTokenCount + 1));\r
\r
- if (!PtrType) {\r
- ASSERT (PeiPcdGetSize(TokenNumber + 1) == *Size);\r
+ if (PtrType) {\r
+ //\r
+ // Get MaxSize first, then check new size with max buffer size.\r
+ //\r
+ GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r
+ if (*Size > MaxSize) {\r
+ *Size = MaxSize;\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } else {\r
+ if (*Size != PeiPcdGetSize (TokenNumber + 1)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
}\r
\r
//\r
// For Dynamic EX PCD entry, we have invoked the callback function for Dynamic EX\r
// type PCD entry in ExSetWorker.\r
//\r
- if (TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1) {\r
+ PeiNexTokenNumber = PeiPcdDb->LocalTokenCount - PeiPcdDb->ExTokenCount;\r
+ if (TokenNumber + 1 < PeiNexTokenNumber + 1) {\r
InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r
}\r
\r
- if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r
- if (PtrType) {\r
- MaxSize = GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r
- } else {\r
- MaxSize = *Size;\r
- }\r
- LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize);\r
- }\r
+ LocalTokenNumber = GetLocalTokenNumber (PeiPcdDb, TokenNumber + 1);\r
+\r
+ Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r
+ InternalData = (VOID *)((UINT8 *)PeiPcdDb + Offset);\r
\r
- Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r
- InternalData = (VOID *) ((UINT8 *) PeiPcdDb + Offset);\r
- \r
switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r
case PCD_TYPE_VPD:\r
case PCD_TYPE_HII:\r
+ case PCD_TYPE_HII|PCD_TYPE_STRING:\r
{\r
ASSERT (FALSE);\r
return EFI_INVALID_PARAMETER;\r
\r
case PCD_TYPE_STRING:\r
if (SetPtrTypeSize (TokenNumber, Size, PeiPcdDb)) {\r
- StringTableIdx = *((UINT16 *)InternalData);\r
- CopyMem (&PeiPcdDb->Init.StringTable[StringTableIdx], Data, *Size);\r
+ StringTableIdx = *((STRING_HEAD *)InternalData);\r
+ CopyMem ((UINT8 *)PeiPcdDb + PeiPcdDb->StringTableOffset + StringTableIdx, Data, *Size);\r
return EFI_SUCCESS;\r
} else {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
switch (*Size) {\r
- case sizeof(UINT8):\r
- *((UINT8 *) InternalData) = *((UINT8 *) Data);\r
+ case sizeof (UINT8):\r
+ *((UINT8 *)InternalData) = *((UINT8 *)Data);\r
return EFI_SUCCESS;\r
\r
- case sizeof(UINT16):\r
- *((UINT16 *) InternalData) = *((UINT16 *) Data);\r
+ case sizeof (UINT16):\r
+ *((UINT16 *)InternalData) = *((UINT16 *)Data);\r
return EFI_SUCCESS;\r
\r
- case sizeof(UINT32):\r
- *((UINT32 *) InternalData) = *((UINT32 *) Data);\r
+ case sizeof (UINT32):\r
+ *((UINT32 *)InternalData) = *((UINT32 *)Data);\r
return EFI_SUCCESS;\r
\r
- case sizeof(UINT64):\r
- *((UINT64 *) InternalData) = *((UINT64 *) Data);\r
+ case sizeof (UINT64):\r
+ *((UINT64 *)InternalData) = *((UINT64 *)Data);\r
return EFI_SUCCESS;\r
\r
default:\r
return EFI_NOT_FOUND;\r
}\r
}\r
- \r
}\r
\r
ASSERT (FALSE);\r
return EFI_NOT_FOUND;\r
-\r
}\r
\r
/**\r
**/\r
EFI_STATUS\r
ExSetValueWorker (\r
- IN UINTN ExTokenNumber,\r
- IN CONST EFI_GUID *Guid,\r
- IN VOID *Data,\r
- IN UINTN Size\r
+ IN UINTN ExTokenNumber,\r
+ IN CONST EFI_GUID *Guid,\r
+ IN VOID *Data,\r
+ IN UINTN Size\r
)\r
{\r
return ExSetWorker (ExTokenNumber, Guid, Data, &Size, FALSE);\r
}\r
\r
/**\r
- Set value for a dynamic PCD entry.\r
- \r
- This routine find the local token number according to dynamic-ex PCD's token \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
entry registered callback function. Finally, invoken general SetWorker to set\r
PCD value.\r
- \r
+\r
@param ExTokenNumber Dynamic-ex PCD token number.\r
@param Guid Token space guid for dynamic-ex PCD.\r
@param Data PCD value want to be set\r
**/\r
EFI_STATUS\r
ExSetWorker (\r
- IN UINTN ExTokenNumber,\r
- IN CONST EFI_GUID *Guid,\r
- IN VOID *Data,\r
- IN OUT UINTN *Size,\r
- IN BOOLEAN PtrType\r
+ IN UINTN ExTokenNumber,\r
+ IN CONST EFI_GUID *Guid,\r
+ IN VOID *Data,\r
+ IN OUT UINTN *Size,\r
+ IN BOOLEAN PtrType\r
)\r
{\r
- UINTN TokenNumber;\r
+ UINTN TokenNumber;\r
\r
- if (!FeaturePcdGet(PcdPeiFullPcdDatabaseEnable)) {\r
+ if (!FeaturePcdGet (PcdPeiFullPcdDatabaseEnable)) {\r
return EFI_UNSUPPORTED;\r
}\r
\r
TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r
+ if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
\r
InvokeCallbackOnSet (ExTokenNumber, Guid, TokenNumber, Data, *Size);\r
\r
return SetWorker (TokenNumber, Data, Size, PtrType);\r
-\r
}\r
\r
/**\r
IN UINTN ExTokenNumber,\r
IN UINTN GetSize\r
)\r
-{ \r
+{\r
return GetWorker (GetExPcdTokenNumber (Guid, ExTokenNumber), GetSize);\r
}\r
\r
/**\r
Get the PCD entry pointer in PCD database.\r
- \r
+\r
This routine will visit PCD database to find the PCD entry according to given\r
- token number. The given token number is autogened by build tools and it will be \r
- translated to local token number. Local token number contains PCD's type and \r
+ token number. The given token number is autogened by build tools and it will be\r
+ translated to local token number. Local token number contains PCD's type and\r
offset of PCD entry in PCD database.\r
\r
@param TokenNumber Token's number, it is autogened by build tools\r
**/\r
VOID *\r
GetWorker (\r
- IN UINTN TokenNumber,\r
- IN UINTN GetSize\r
+ IN UINTN TokenNumber,\r
+ IN UINTN GetSize\r
)\r
{\r
- UINT32 Offset;\r
- EFI_GUID *Guid;\r
- UINT16 *Name;\r
- VARIABLE_HEAD *VariableHead;\r
- EFI_STATUS Status;\r
- UINTN DataSize;\r
- VOID *Data;\r
- UINT16 *StringTable;\r
- UINT16 StringTableIdx;\r
- PEI_PCD_DATABASE *PeiPcdDb;\r
- UINT32 LocalTokenNumber;\r
- UINTN MaxSize;\r
+ UINT32 Offset;\r
+ EFI_GUID *Guid;\r
+ UINT16 *Name;\r
+ VARIABLE_HEAD *VariableHead;\r
+ EFI_STATUS Status;\r
+ UINTN DataSize;\r
+ VOID *Data;\r
+ UINT8 *StringTable;\r
+ STRING_HEAD StringTableIdx;\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+ UINT32 LocalTokenNumber;\r
+ UINT32 LocalTokenCount;\r
+ UINT8 *VaraiableDefaultBuffer;\r
+ UINTN VpdBaseAddress;\r
\r
//\r
// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r
//\r
TokenNumber--;\r
\r
+ PeiPcdDb = GetPcdDatabase ();\r
+ LocalTokenCount = PeiPcdDb->LocalTokenCount;\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
+ // between UINTN and 0 . So we add 1 in each size of the\r
// comparison.\r
- ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
+ ASSERT (TokenNumber + 1 < (LocalTokenCount + 1));\r
\r
- ASSERT ((GetSize == PeiPcdGetSize(TokenNumber + 1)) || (GetSize == 0));\r
-\r
- PeiPcdDb = GetPcdDatabase ();\r
+ ASSERT ((GetSize == PeiPcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r
\r
- LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r
-\r
- if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r
- if (GetSize == 0) {\r
- MaxSize = GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r
- } else {\r
- MaxSize = GetSize;\r
- }\r
- LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize);\r
- }\r
+ LocalTokenNumber = GetLocalTokenNumber (PeiPcdDb, TokenNumber + 1);\r
\r
Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r
- StringTable = PeiPcdDb->Init.StringTable;\r
- \r
+ StringTable = (UINT8 *)PeiPcdDb + PeiPcdDb->StringTableOffset;\r
+\r
switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r
case PCD_TYPE_VPD:\r
{\r
- VPD_HEAD *VpdHead;\r
- VpdHead = (VPD_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r
- return (VOID *) (UINTN) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r
+ VPD_HEAD *VpdHead;\r
+ VpdHead = (VPD_HEAD *)((UINT8 *)PeiPcdDb + Offset);\r
+\r
+ //\r
+ // PcdVpdBaseAddress64 is DynamicEx PCD only. So, PeiPcdGet64Ex() is used to get its value.\r
+ //\r
+ VpdBaseAddress = (UINTN)PeiPcdGet64Ex (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdVpdBaseAddress64));\r
+ if (VpdBaseAddress == 0) {\r
+ //\r
+ // PcdVpdBaseAddress64 is not set, get value from PcdVpdBaseAddress.\r
+ //\r
+ VpdBaseAddress = (UINTN)PcdGet32 (PcdVpdBaseAddress);\r
+ }\r
+\r
+ ASSERT (VpdBaseAddress != 0);\r
+ return (VOID *)(VpdBaseAddress + VpdHead->Offset);\r
}\r
- \r
+\r
+ case PCD_TYPE_HII|PCD_TYPE_STRING:\r
case PCD_TYPE_HII:\r
{\r
- VariableHead = (VARIABLE_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r
- \r
- Guid = &(PeiPcdDb->Init.GuidTable[VariableHead->GuidTableIndex]);\r
- Name = &StringTable[VariableHead->StringIndex];\r
+ VariableHead = (VARIABLE_HEAD *)((UINT8 *)PeiPcdDb + Offset);\r
\r
- Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r
+ Guid = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset) + VariableHead->GuidTableIndex;\r
+ Name = (UINT16 *)&StringTable[VariableHead->StringIndex];\r
\r
- if (Status == EFI_SUCCESS) {\r
- return (VOID *) ((UINT8 *) Data + VariableHead->Offset);\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
+ VaraiableDefaultBuffer = (UINT8 *)&StringTable[*(STRING_HEAD *)((UINT8 *)PeiPcdDb + VariableHead->DefaultValueOffset)];\r
} else {\r
+ VaraiableDefaultBuffer = (UINT8 *)PeiPcdDb + VariableHead->DefaultValueOffset;\r
+ }\r
+\r
+ Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r
+ if ((Status == EFI_SUCCESS) && (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 (TokenNumber, &GetSize, PeiPcdDb);\r
+ if (GetSize > (DataSize - VariableHead->Offset)) {\r
+ //\r
+ // Use actual valid size.\r
+ //\r
+ GetSize = DataSize - VariableHead->Offset;\r
+ }\r
+ }\r
+\r
//\r
- // Return the default value specified by Platform Integrator \r
+ // If the operation is successful, we copy the data\r
+ // to the default value buffer in the PCD Database.\r
//\r
- return (VOID *) ((UINT8 *) PeiPcdDb + VariableHead->DefaultValueOffset);\r
+ CopyMem (VaraiableDefaultBuffer, (UINT8 *)Data + VariableHead->Offset, GetSize);\r
}\r
+\r
+ return (VOID *)VaraiableDefaultBuffer;\r
}\r
\r
case PCD_TYPE_DATA:\r
- return (VOID *) ((UINT8 *)PeiPcdDb + Offset);\r
+ return (VOID *)((UINT8 *)PeiPcdDb + Offset);\r
\r
case PCD_TYPE_STRING:\r
- StringTableIdx = (UINT16) *((UINT8 *) PeiPcdDb + Offset);\r
- return (VOID *) (&StringTable[StringTableIdx]);\r
+ StringTableIdx = *(STRING_HEAD *)((UINT8 *)PeiPcdDb + Offset);\r
+ return (VOID *)(&StringTable[StringTableIdx]);\r
\r
default:\r
ASSERT (FALSE);\r
break;\r
- \r
}\r
\r
ASSERT (FALSE);\r
- \r
+\r
return NULL;\r
- \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
- \r
+ space guid: token number} to Token Number.\r
+\r
@param Guid Token space guid for dynamic-ex PCD entry.\r
- @param ExTokenNumber EDES_TODO: Add parameter description\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
+UINTN\r
GetExPcdTokenNumber (\r
- IN CONST EFI_GUID *Guid,\r
- IN UINTN ExTokenNumber\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN ExTokenNumber\r
)\r
{\r
- UINT32 Index;\r
- DYNAMICEX_MAPPING *ExMap;\r
- EFI_GUID *GuidTable;\r
- EFI_GUID *MatchGuid;\r
- UINTN MatchGuidIdx;\r
- PEI_PCD_DATABASE *PeiPcdDb;\r
-\r
- PeiPcdDb = GetPcdDatabase();\r
- \r
- ExMap = PeiPcdDb->Init.ExMapTable;\r
- GuidTable = PeiPcdDb->Init.GuidTable;\r
-\r
- MatchGuid = ScanGuid (GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r
+ UINT32 Index;\r
+ DYNAMICEX_MAPPING *ExMap;\r
+ EFI_GUID *GuidTable;\r
+ EFI_GUID *MatchGuid;\r
+ UINTN MatchGuidIdx;\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+\r
+ PeiPcdDb = GetPcdDatabase ();\r
+\r
+ ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)PeiPcdDb + PeiPcdDb->ExMapTableOffset);\r
+ GuidTable = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset);\r
+\r
+ MatchGuid = ScanGuid (GuidTable, PeiPcdDb->GuidTableCount * sizeof (EFI_GUID), 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
//\r
ASSERT (MatchGuid != NULL);\r
- \r
+\r
MatchGuidIdx = MatchGuid - GuidTable;\r
- \r
- for (Index = 0; Index < PEI_EXMAPPING_TABLE_SIZE; Index++) {\r
- if ((ExTokenNumber == ExMap[Index].ExTokenNumber) && \r
- (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r
- return ExMap[Index].LocalTokenNumber;\r
+\r
+ for (Index = 0; Index < PeiPcdDb->ExTokenCount; Index++) {\r
+ if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r
+ (MatchGuidIdx == ExMap[Index].ExGuidIndex))\r
+ {\r
+ return ExMap[Index].TokenNumber;\r
}\r
}\r
- \r
- ASSERT (FALSE);\r
- \r
- return 0;\r
+\r
+ return PCD_INVALID_TOKEN_NUMBER;\r
}\r
\r
/**\r
VOID\r
)\r
{\r
- EFI_HOB_GUID_TYPE *GuidHob;\r
+ EFI_HOB_GUID_TYPE *GuidHob;\r
\r
GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r
ASSERT (GuidHob != NULL);\r
- \r
- return (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r
-}\r
-\r
-/**\r
- Get SKU ID tabble from PCD database.\r
-\r
- @param LocalTokenNumberTableIdx Index of local token number in token number table.\r
- @param Database PCD database.\r
-\r
- @return Pointer to SKU ID array table\r
-\r
-**/\r
-SKU_ID *\r
-GetSkuIdArray (\r
- IN UINTN LocalTokenNumberTableIdx,\r
- IN PEI_PCD_DATABASE *Database\r
- )\r
-{\r
- SKU_HEAD *SkuHead;\r
- UINTN LocalTokenNumber;\r
\r
- LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r
-\r
- ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r
-\r
- SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r
-\r
- return (SKU_ID *) ((UINT8 *)Database + SkuHead->SkuIdTableOffset);\r
- \r
+ return (PEI_PCD_DATABASE *)GET_GUID_HOB_DATA (GuidHob);\r
}\r
\r
/**\r
IN PEI_PCD_DATABASE *Database\r
)\r
{\r
- UINTN Index;\r
- UINTN SizeTableIdx;\r
- UINTN LocalTokenNumber;\r
- SKU_ID *SkuIdTable;\r
- \r
+ UINTN Index;\r
+ UINTN SizeTableIdx;\r
+ UINTN LocalTokenNumber;\r
+\r
SizeTableIdx = 0;\r
\r
- for (Index=0; Index<LocalTokenNumberTableIdx; Index++) {\r
- LocalTokenNumber = Database->Init.LocalTokenNumberTable[Index];\r
+ for (Index = 0; Index < LocalTokenNumberTableIdx; Index++) {\r
+ LocalTokenNumber = *((UINT32 *)((UINT8 *)Database + Database->LocalTokenNumberTableOffset) + Index);\r
\r
if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r
//\r
- // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r
+ // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r
// PCD entry.\r
//\r
if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r
- //\r
- // We have only one entry for VPD enabled PCD entry:\r
- // 1) MAX Size.\r
- // We consider current size is equal to MAX size.\r
- //\r
- SizeTableIdx++;\r
+ //\r
+ // We have only two entry for VPD enabled PCD entry:\r
+ // 1) MAX Size.\r
+ // 2) Current Size\r
+ // Current size is equal to MAX size.\r
+ //\r
+ SizeTableIdx += 2;\r
} else {\r
- if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r
- //\r
- // We have only two entry for Non-Sku enabled PCD entry:\r
- // 1) MAX SIZE\r
- // 2) Current Size\r
- //\r
- SizeTableIdx += 2;\r
- } else {\r
- //\r
- // We have these entry for SKU enabled PCD entry\r
- // 1) MAX SIZE\r
- // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r
- //\r
- SkuIdTable = GetSkuIdArray (Index, Database);\r
- SizeTableIdx += (UINTN)*SkuIdTable + 1;\r
- }\r
+ //\r
+ // We have only two entry for Non-Sku enabled PCD entry:\r
+ // 1) MAX SIZE\r
+ // 2) Current Size\r
+ //\r
+ SizeTableIdx += 2;\r
}\r
}\r
-\r
}\r
\r
return SizeTableIdx;\r
projects / mirror_edk2.git / blobdiff