/** @file \r
All Pcd Ppi services are implemented here.\r
\r
-Copyright (c) 2006 - 2013, 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
-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 - 2017, Intel Corporation. All rights reserved.<BR>\r
+(C) Copyright 2016 Hewlett Packard Enterprise Development LP<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
+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
\r
**/\r
\r
}\r
};\r
\r
+/**\r
+ Callback on SET PcdSetNvStoreDefaultId\r
+\r
+ Once PcdSetNvStoreDefaultId is set, the default NV storage will be found from\r
+ PcdNvStoreDefaultValueBuffer, and built into VariableHob.\r
+\r
+ @param[in] CallBackGuid The PCD token GUID being set.\r
+ @param[in] CallBackToken The PCD token number being set.\r
+ @param[in, out] TokenData A pointer to the token data being set.\r
+ @param[in] TokenDataSize The size, in bytes, of the data being set.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+PcdSetNvStoreDefaultIdCallBack (\r
+ IN CONST EFI_GUID *CallBackGuid, OPTIONAL\r
+ IN UINTN CallBackToken,\r
+ IN OUT VOID *TokenData,\r
+ IN UINTN TokenDataSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT16 DefaultId;\r
+ SKU_ID SkuId;\r
+ UINTN FullSize;\r
+ UINTN Index;\r
+ UINT8 *DataBuffer;\r
+ UINT8 *VarStoreHobData;\r
+ UINT8 *BufferEnd;\r
+ BOOLEAN IsFound;\r
+ VARIABLE_STORE_HEADER *NvStoreBuffer;\r
+ PCD_DEFAULT_DATA *DataHeader;\r
+ PCD_DEFAULT_INFO *DefaultInfo;\r
+ PCD_DATA_DELTA *DeltaData;\r
+\r
+ DefaultId = *(UINT16 *) TokenData;\r
+ SkuId = GetPcdDatabase()->SystemSkuId;\r
+ IsFound = FALSE;\r
+\r
+ if (PeiPcdGetSizeEx (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdNvStoreDefaultValueBuffer)) > sizeof (PCD_NV_STORE_DEFAULT_BUFFER_HEADER)) {\r
+ DataBuffer = (UINT8 *) PeiPcdGetPtrEx (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdNvStoreDefaultValueBuffer));\r
+ FullSize = ((PCD_NV_STORE_DEFAULT_BUFFER_HEADER *) DataBuffer)->Length;\r
+ DataHeader = (PCD_DEFAULT_DATA *) (DataBuffer + sizeof (PCD_NV_STORE_DEFAULT_BUFFER_HEADER));\r
+ //\r
+ // The first section data includes NV storage default setting.\r
+ //\r
+ NvStoreBuffer = (VARIABLE_STORE_HEADER *) ((UINT8 *) DataHeader + sizeof (DataHeader->DataSize) + DataHeader->HeaderSize);\r
+ VarStoreHobData = (UINT8 *) BuildGuidHob (&NvStoreBuffer->Signature, NvStoreBuffer->Size);\r
+ ASSERT (VarStoreHobData != NULL);\r
+ CopyMem (VarStoreHobData, NvStoreBuffer, NvStoreBuffer->Size);\r
+ //\r
+ // Find the matched SkuId and DefaultId in the first section\r
+ //\r
+ DefaultInfo = &(DataHeader->DefaultInfo[0]);\r
+ BufferEnd = (UINT8 *) DataHeader + sizeof (DataHeader->DataSize) + DataHeader->HeaderSize;\r
+ while ((UINT8 *) DefaultInfo < BufferEnd) {\r
+ if (DefaultInfo->DefaultId == DefaultId && DefaultInfo->SkuId == SkuId) {\r
+ IsFound = TRUE;\r
+ break;\r
+ }\r
+ DefaultInfo ++;\r
+ }\r
+ //\r
+ // Find the matched SkuId and DefaultId in the remaining section\r
+ //\r
+ Index = sizeof (PCD_NV_STORE_DEFAULT_BUFFER_HEADER) + ((DataHeader->DataSize + 7) & (~7));\r
+ DataHeader = (PCD_DEFAULT_DATA *) (DataBuffer + Index);\r
+ while (!IsFound && Index < FullSize && DataHeader->DataSize != 0xFFFFFFFF) {\r
+ DefaultInfo = &(DataHeader->DefaultInfo[0]);\r
+ BufferEnd = (UINT8 *) DataHeader + sizeof (DataHeader->DataSize) + DataHeader->HeaderSize;\r
+ while ((UINT8 *) DefaultInfo < BufferEnd) {\r
+ if (DefaultInfo->DefaultId == DefaultId && DefaultInfo->SkuId == SkuId) {\r
+ IsFound = TRUE;\r
+ break;\r
+ }\r
+ DefaultInfo ++;\r
+ }\r
+ if (IsFound) {\r
+ DeltaData = (PCD_DATA_DELTA *) BufferEnd;\r
+ BufferEnd = (UINT8 *) DataHeader + DataHeader->DataSize;\r
+ while ((UINT8 *) DeltaData < BufferEnd) {\r
+ *(VarStoreHobData + DeltaData->Offset) = (UINT8) DeltaData->Value;\r
+ DeltaData ++;\r
+ }\r
+ break;\r
+ }\r
+ Index = (Index + DataHeader->DataSize + 7) & (~7) ;\r
+ DataHeader = (PCD_DEFAULT_DATA *) (DataBuffer + Index);\r
+ }\r
+ }\r
+\r
+ Status = PcdUnRegisterCallBackOnSet (\r
+ &gEfiMdeModulePkgTokenSpaceGuid,\r
+ PcdToken(PcdSetNvStoreDefaultId),\r
+ PcdSetNvStoreDefaultIdCallBack\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+}\r
+\r
+/**\r
+ Report Pei PCD database of all SKUs as Guid HOB so that DxePcd can access it.\r
+\r
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
+ @param NotifyDescriptor Address of the notification descriptor data structure.\r
+ @param Ppi Address of the PPI that was installed.\r
+\r
+ @retval EFI_SUCCESS Successfully update the Boot records.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EndOfPeiSignalPpiNotifyCallback (\r
+ IN EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
+ IN VOID *Ppi\r
+ )\r
+{\r
+ PEI_PCD_DATABASE *Database;\r
+ EFI_BOOT_MODE BootMode;\r
+ EFI_STATUS Status;\r
+ UINTN Instance;\r
+ EFI_PEI_FV_HANDLE VolumeHandle;\r
+ EFI_PEI_FILE_HANDLE FileHandle;\r
+ VOID *PcdDb;\r
+ UINT32 Length;\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+\r
+ Status = PeiServicesGetBootMode(&BootMode);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Don't need to report it on S3 boot.\r
+ //\r
+ if (BootMode == BOOT_ON_S3_RESUME) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ PeiPcdDb = GetPcdDatabase();\r
+ if (PeiPcdDb->SystemSkuId != (SKU_ID) 0) {\r
+ //\r
+ // SkuId has been set. Don't need to report it to DXE phase.\r
+ //\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ //\r
+ // Get full PCD database from PcdPeim FileHandle\r
+ //\r
+ Instance = 0;\r
+ FileHandle = NULL;\r
+ while (TRUE) {\r
+ //\r
+ // Traverse all firmware volume instances\r
+ //\r
+ Status = PeiServicesFfsFindNextVolume (Instance, &VolumeHandle);\r
+ //\r
+ // Error should not happen\r
+ //\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Find PcdDb file from the beginning in this firmware volume.\r
+ //\r
+ FileHandle = NULL;\r
+ Status = PeiServicesFfsFindFileByName (&gEfiCallerIdGuid, VolumeHandle, &FileHandle);\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Find PcdPeim FileHandle in this volume\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // We cannot find PcdPeim in this firmware volume, then search the next volume.\r
+ //\r
+ Instance++;\r
+ }\r
+\r
+ //\r
+ // Find PEI PcdDb and Build second PcdDB GuidHob\r
+ //\r
+ Status = PeiServicesFfsFindSectionData (EFI_SECTION_RAW, FileHandle, &PcdDb);\r
+ ASSERT_EFI_ERROR (Status);\r
+ Length = PeiPcdDb->LengthForAllSkus;\r
+ Database = BuildGuidHob (&gPcdDataBaseHobGuid, Length);\r
+ CopyMem (Database, PcdDb, Length);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_PEI_NOTIFY_DESCRIPTOR mEndOfPeiSignalPpiNotifyList[] = {\r
+ {\r
+ (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiEndOfPeiSignalPpiGuid,\r
+ EndOfPeiSignalPpiNotifyCallback\r
+ }\r
+};\r
+\r
/**\r
Main entry for PCD PEIM driver.\r
\r
IN CONST EFI_PEI_SERVICES **PeiServices\r
)\r
{\r
- EFI_STATUS Status;\r
- PEI_PCD_DATABASE *DataBase;\r
+ EFI_STATUS Status;\r
\r
- DataBase = BuildPcdDatabase (FileHandle);\r
+ BuildPcdDatabase (FileHandle);\r
\r
//\r
// Install PCD_PPI and EFI_PEI_PCD_PPI.\r
ASSERT_EFI_ERROR (Status);\r
\r
//\r
- // Only install PcdInfo PPI when PCD info content is present. \r
+ // Install GET_PCD_INFO_PPI and EFI_GET_PCD_INFO_PPI.\r
//\r
- if (DataBase->PcdNameTableOffset != 0) {\r
- //\r
- // Install GET_PCD_INFO_PPI and EFI_GET_PCD_INFO_PPI.\r
- //\r
- Status = PeiServicesInstallPpi (&mPpiList2[0]);\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
+ Status = PeiServicesInstallPpi (&mPpiList2[0]);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = PeiServicesNotifyPpi (&mEndOfPeiSignalPpiNotifyList[0]);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = PeiRegisterCallBackOnSet (\r
+ &gEfiMdeModulePkgTokenSpaceGuid,\r
+ PcdToken(PcdSetNvStoreDefaultId),\r
+ PcdSetNvStoreDefaultIdCallBack\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
\r
return Status;\r
}\r
VOID\r
)\r
{\r
- return GetPcdDatabase()->SystemSkuId;\r
+ return (UINTN) GetPcdDatabase()->SystemSkuId;\r
}\r
\r
/**\r
or multiple values, where each value is associated with a specific SKU Id. Items with multiple, \r
SKU-specific values are called SKU enabled. \r
\r
- The SKU Id of zero is reserved as a default. The valid SkuId range is 1 to 255. \r
+ The SKU Id of zero is reserved as a default.\r
For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the \r
single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the \r
last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token, \r
IN UINTN SkuId\r
)\r
{\r
+ PEI_PCD_DATABASE *PeiPcdDb;\r
+ SKU_ID *SkuIdTable;\r
+ UINTN Index;\r
+ EFI_STATUS Status;\r
+ UINTN Instance;\r
+ EFI_PEI_FV_HANDLE VolumeHandle;\r
+ EFI_PEI_FILE_HANDLE FileHandle;\r
+ VOID *PcdDb;\r
+ UINT32 Length;\r
+ PCD_DATABASE_SKU_DELTA *SkuDelta;\r
+ PCD_DATA_DELTA *SkuDeltaData;\r
+\r
+ PeiPcdDb = GetPcdDatabase();\r
+\r
+ if (SkuId == PeiPcdDb->SystemSkuId) {\r
+ //\r
+ // The input SKU Id is equal to current SKU Id, return directly.\r
+ //\r
+ return;\r
+ }\r
+\r
+ if (PeiPcdDb->SystemSkuId != (SKU_ID) 0) {\r
+ DEBUG ((DEBUG_ERROR, "PcdPei - The SKU Id could be changed only once."));\r
+ DEBUG ((\r
+ DEBUG_ERROR,\r
+ "PcdPei - The SKU Id was set to 0x%lx already, it could not be set to 0x%lx any more.",\r
+ PeiPcdDb->SystemSkuId,\r
+ (SKU_ID) SkuId\r
+ ));\r
+ ASSERT (FALSE);\r
+ return;\r
+ }\r
+\r
+ SkuIdTable = (SKU_ID *) ((UINT8 *) PeiPcdDb + PeiPcdDb->SkuIdTableOffset);\r
+ for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
+ if (SkuId == SkuIdTable[Index + 1]) {\r
+ break;\r
+ }\r
+ }\r
+\r
+ if (Index < SkuIdTable[0]) {\r
+ //\r
+ // Get full PCD database from PcdPeim FileHandle\r
+ //\r
+ Instance = 0;\r
+ FileHandle = NULL;\r
+ while (TRUE) {\r
+ //\r
+ // Traverse all firmware volume instances\r
+ //\r
+ Status = PeiServicesFfsFindNextVolume (Instance, &VolumeHandle);\r
+ //\r
+ // Error should not happen\r
+ //\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Find PcdDb file from the beginning in this firmware volume.\r
+ //\r
+ FileHandle = NULL;\r
+ Status = PeiServicesFfsFindFileByName (&gEfiCallerIdGuid, VolumeHandle, &FileHandle);\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Find PcdPeim FileHandle in this volume\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // We cannot find PcdPeim in this firmware volume, then search the next volume.\r
+ //\r
+ Instance++;\r
+ }\r
\r
- GetPcdDatabase()->SystemSkuId = (SKU_ID) SkuId;\r
+ //\r
+ // Find the delta data between the different Skus\r
+ //\r
+ Status = PeiServicesFfsFindSectionData (EFI_SECTION_RAW, FileHandle, &PcdDb);\r
+ ASSERT_EFI_ERROR (Status);\r
+ Length = PeiPcdDb->LengthForAllSkus;\r
+ Index = (PeiPcdDb->Length + 7) & (~7);\r
+ SkuDelta = NULL;\r
+ while (Index < Length) {\r
+ SkuDelta = (PCD_DATABASE_SKU_DELTA *) ((UINT8 *) PcdDb + Index);\r
+ if (SkuDelta->SkuId == SkuId && SkuDelta->SkuIdCompared == 0) {\r
+ break;\r
+ }\r
+ Index = (Index + SkuDelta->Length + 7) & (~7);\r
+ }\r
+\r
+ //\r
+ // Patch the delta data into current PCD database\r
+ //\r
+ if (Index < Length && SkuDelta != NULL) {\r
+ SkuDeltaData = (PCD_DATA_DELTA *) (SkuDelta + 1);\r
+ while ((UINT8 *) SkuDeltaData < (UINT8 *) SkuDelta + SkuDelta->Length) {\r
+ *((UINT8 *) PeiPcdDb + SkuDeltaData->Offset) = (UINT8) SkuDeltaData->Value;\r
+ SkuDeltaData ++;\r
+ }\r
+ PeiPcdDb->SystemSkuId = (SKU_ID) SkuId;\r
+ DEBUG ((DEBUG_INFO, "PcdPei - Set current SKU Id to 0x%lx.\n", (SKU_ID) SkuId));\r
+ return;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Invalid input SkuId, the default SKU Id will be still used for the system.\r
+ //\r
+ DEBUG ((EFI_D_INFO, "PcdPei - Invalid input SkuId, the default SKU Id will be still used.\n"));\r
\r
return;\r
}\r
}\r
\r
if (Found) {\r
+ //\r
+ // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r
+ // token number in found token space.\r
+ //\r
if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r
*TokenNumber = ExMapTable[Index].ExTokenNumber;\r
return EFI_SUCCESS;\r
}\r
\r
for ( ; Index < PeiPcdDb->ExTokenCount; Index++) {\r
- if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r
+ if ((ExMapTable[Index].ExTokenNumber == *TokenNumber) && (ExMapTable[Index].ExGuidIndex == GuidTableIdx)) {\r
break;\r
}\r
}\r
{\r
INTN SizeTableIdx;\r
UINTN LocalTokenNumber;\r
- SKU_ID *SkuIdTable;\r
SIZE_INFO *SizeTable;\r
- UINTN Index;\r
\r
SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r
\r
//\r
return *MaxSize;\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
- return SizeTable[SizeTableIdx + 1];\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 (LocalTokenNumberTableIdx, Database);\r
- for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (SkuIdTable[1 + Index] == Database->SystemSkuId) {\r
- return SizeTable[SizeTableIdx + 1 + Index];\r
- }\r
- }\r
- return SizeTable[SizeTableIdx + 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
+ return SizeTable[SizeTableIdx + 1];\r
}\r
}\r
\r
{\r
INTN SizeTableIdx;\r
UINTN LocalTokenNumber;\r
- SKU_ID *SkuIdTable;\r
SIZE_INFO *SizeTable;\r
- UINTN Index;\r
UINTN MaxSize;\r
\r
SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r
return FALSE;\r
}\r
\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
- SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r
- return TRUE;\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 (LocalTokenNumberTableIdx, Database);\r
- for (Index = 0; Index < SkuIdTable[0]; Index++) {\r
- if (SkuIdTable[1 + Index] == Database->SystemSkuId) {\r
- SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r
- return TRUE;\r
- }\r
- }\r
- SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r
- return TRUE;\r
- }\r
+ //\r
+ // We have only two entry for Non-Sku enabled PCD entry:\r
+ // 1) MAX SIZE\r
+ // 2) Current Size\r
+ //\r
+ SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r
+ return TRUE;\r
}\r
\r
}\r
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