/** @file \r
All Pcd Ppi services are implemented here.\r
\r
-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-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
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
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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