/** @file \r
All Pcd Ppi services are implemented here.\r
\r
-Copyright (c) 2006 - 2016, 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
Main entry for PCD PEIM driver.\r
\r
Status = PeiServicesInstallPpi (&mPpiList2[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
\r
UINTN Index;\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
+ DEBUG ((EFI_D_INFO, "PcdPei - Set current SKU Id to 0x%lx.\n", (SKU_ID) SkuId));\r
PeiPcdDb->SystemSkuId = (SKU_ID) SkuId;\r
return;\r
}\r
}\r
\r
//\r
- // Invalid input SkuId, the default SKU Id will be used for the system.\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 used.\n"));\r
- PeiPcdDb->SystemSkuId = (SKU_ID) 0;\r
+ DEBUG ((EFI_D_INFO, "PcdPei - Invalid input SkuId, the default SKU Id will be still used.\n"));\r
return;\r
}\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
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