return Status;\r
}\r
\r
+/**\r
+ To find the BlockName in the string with same value.\r
+\r
+ @param String Pointer to a Null-terminated Unicode string.\r
+ @param BlockName Pointer to a Null-terminated Unicode string to search for.\r
+ @param Buffer Pointer to the value correspond to the BlockName.\r
+ @param Found The Block whether has been found.\r
+ @param BufferLen The length of the buffer.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary structures.\r
+ @retval EFI_SUCCESS The function finishes successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+FindSameBlockElement(\r
+ IN EFI_STRING String,\r
+ IN EFI_STRING BlockName,\r
+ IN UINT8 *Buffer,\r
+ OUT BOOLEAN *Found,\r
+ IN UINTN BufferLen\r
+ )\r
+{\r
+ EFI_STRING BlockPtr;\r
+ UINTN Length;\r
+ UINT8 *TempBuffer;\r
+ EFI_STATUS Status;\r
+\r
+ TempBuffer = NULL;\r
+ *Found = FALSE;\r
+ BlockPtr = StrStr (String, BlockName);\r
+\r
+ while (BlockPtr != NULL) {\r
+ BlockPtr += StrLen (BlockName);\r
+ Status = GetValueOfNumber (BlockPtr, &TempBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ ASSERT (TempBuffer != NULL);\r
+ if ((BufferLen == Length) && (0 == CompareMem (Buffer, TempBuffer, Length))) {\r
+ *Found = TRUE;\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ FreePool (TempBuffer);\r
+ TempBuffer = NULL;\r
+ BlockPtr = StrStr (BlockPtr + 1, BlockName);\r
+ }\r
+ }\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Compare the <AltResp> in ConfigAltResp and DefaultAltCfgResp, if the <AltResp>\r
+ in DefaultAltCfgResp but not in ConfigAltResp,add it to the ConfigAltResp.\r
+\r
+ @param DefaultAltCfgResp Pointer to a null-terminated Unicode string in\r
+ <MultiConfigAltResp> format. The default value\r
+ string may contain more than one ConfigAltResp\r
+ string for the different varstore buffer.\r
+ @param ConfigAltResp Pointer to a null-terminated Unicode string in\r
+ <ConfigAltResp> format.\r
+ @param AltConfigHdr Pointer to a Unicode string in <AltConfigHdr> format.\r
+ @param ConfigAltRespChanged Whether the ConfigAltResp has been changed.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary structures.\r
+ @retval EFI_SUCCESS The function finishes successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+CompareBlockElementDefault (\r
+ IN EFI_STRING DefaultAltCfgResp,\r
+ IN OUT EFI_STRING *ConfigAltResp,\r
+ IN EFI_STRING AltConfigHdr,\r
+ IN OUT BOOLEAN *ConfigAltRespChanged\r
+)\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STRING BlockPtr;\r
+ EFI_STRING BlockPtrStart;\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING AppendString;\r
+ EFI_STRING AltConfigHdrPtr;\r
+ UINT8 *TempBuffer;\r
+ UINTN OffsetLength;\r
+ UINTN AppendSize;\r
+ UINTN TotalSize;\r
+ BOOLEAN FoundOffset;\r
+\r
+ AppendString = NULL;\r
+ TempBuffer = NULL;\r
+ //\r
+ // Make BlockPtr point to the first <BlockConfig> with AltConfigHdr in DefaultAltCfgResp.\r
+ //\r
+ AltConfigHdrPtr = StrStr (DefaultAltCfgResp, AltConfigHdr);\r
+ ASSERT (AltConfigHdrPtr != NULL);\r
+ BlockPtr = StrStr (AltConfigHdrPtr, L"&OFFSET=");\r
+ //\r
+ // Make StringPtr point to the AltConfigHdr in ConfigAltResp.\r
+ //\r
+ StringPtr = StrStr (*ConfigAltResp, AltConfigHdr);\r
+ ASSERT (StringPtr != NULL);\r
+\r
+ while (BlockPtr != NULL) {\r
+ //\r
+ // Find the "&OFFSET=<Number>" block and get the value of the Number with AltConfigHdr in DefaultAltCfgResp.\r
+ //\r
+ BlockPtrStart = BlockPtr;\r
+ BlockPtr += StrLen (L"&OFFSET=");\r
+ Status = GetValueOfNumber (BlockPtr, &TempBuffer, &OffsetLength);\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ //\r
+ // To find the same "&OFFSET=<Number>" block in ConfigAltResp.\r
+ //\r
+ Status = FindSameBlockElement (StringPtr, L"&OFFSET=", TempBuffer, &FoundOffset, OffsetLength);\r
+ if (TempBuffer != NULL) {\r
+ FreePool (TempBuffer);\r
+ TempBuffer = NULL;\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ if (!FoundOffset) {\r
+ //\r
+ // Don't find the same "&OFFSET=<Number>" block in ConfigAltResp.\r
+ // Calculate the size of <BlockConfig>.\r
+ // <BlockConfig>::='OFFSET='<Number>'&WIDTH='<Number>'&VALUE='<Number>.\r
+ //\r
+ BlockPtr = StrStr (BlockPtr + 1, L"&OFFSET=");\r
+ if (BlockPtr != NULL) {\r
+ AppendSize = (BlockPtr - BlockPtrStart) * sizeof (CHAR16);\r
+ } else {\r
+ AppendSize = StrSize (BlockPtrStart);\r
+ }\r
+ //\r
+ // Copy the <BlockConfig> to AppendString.\r
+ //\r
+ if (AppendString == NULL) {\r
+ AppendString = (EFI_STRING) AllocateZeroPool (AppendSize + sizeof (CHAR16));\r
+ StrnCatS (AppendString, AppendSize / sizeof (CHAR16) + 1, BlockPtrStart, AppendSize / sizeof (CHAR16));\r
+ } else {\r
+ TotalSize = StrSize (AppendString) + AppendSize + sizeof (CHAR16);\r
+ AppendString = (EFI_STRING) ReallocatePool (\r
+ StrSize (AppendString),\r
+ TotalSize,\r
+ AppendString\r
+ );\r
+ if (AppendString == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ StrnCatS (AppendString, TotalSize / sizeof (CHAR16), BlockPtrStart, AppendSize / sizeof (CHAR16));\r
+ }\r
+ } else {\r
+ //\r
+ // To find next "&OFFSET=<Number>" block with AltConfigHdr in DefaultAltCfgResp.\r
+ //\r
+ BlockPtr = StrStr (BlockPtr + 1, L"&OFFSET=");\r
+ }\r
+ }\r
+\r
+ if (AppendString != NULL) {\r
+ //\r
+ // Reallocate ConfigAltResp to copy the AppendString.\r
+ //\r
+ TotalSize = StrSize (*ConfigAltResp) + StrSize (AppendString) + sizeof (CHAR16);\r
+ *ConfigAltResp = (EFI_STRING) ReallocatePool (\r
+ StrSize (*ConfigAltResp),\r
+ TotalSize,\r
+ *ConfigAltResp\r
+ );\r
+ if (*ConfigAltResp == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ StrCatS (*ConfigAltResp, TotalSize / sizeof (CHAR16), AppendString);\r
+ *ConfigAltRespChanged = TRUE;\r
+ }\r
+\r
+ Status = EFI_SUCCESS;\r
+\r
+Exit:\r
+ if (AppendString != NULL) {\r
+ FreePool (AppendString);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Compare the <AltResp> in ConfigAltResp and DefaultAltCfgResp, if the <AltResp>\r
+ in DefaultAltCfgResp but not in ConfigAltResp,add it to the ConfigAltResp.\r
+\r
+ @param DefaultAltCfgResp Pointer to a null-terminated Unicode string in\r
+ <MultiConfigAltResp> format. The default value\r
+ string may contain more than one ConfigAltResp\r
+ string for the different varstore buffer.\r
+ @param ConfigAltResp Pointer to a null-terminated Unicode string in\r
+ <ConfigAltResp> format.\r
+ @param AltConfigHdr Pointer to a Unicode string in <AltConfigHdr> format.\r
+ @param ConfigAltRespChanged Whether the ConfigAltResp has been changed.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary structures.\r
+ @retval EFI_SUCCESS The function finishes successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+CompareNameElementDefault (\r
+ IN EFI_STRING DefaultAltCfgResp,\r
+ IN OUT EFI_STRING *ConfigAltResp,\r
+ IN EFI_STRING AltConfigHdr,\r
+ IN OUT BOOLEAN *ConfigAltRespChanged\r
+)\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STRING NvConfigPtr;\r
+ EFI_STRING NvConfigStart;\r
+ EFI_STRING NvConfigValuePtr;\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING NvConfigExist;\r
+ EFI_STRING AppendString;\r
+ CHAR16 TempChar;\r
+ UINTN AppendSize;\r
+ UINTN TotalSize;\r
+\r
+ AppendString = NULL;\r
+ NvConfigExist = NULL;\r
+ //\r
+ // Make NvConfigPtr point to the first <NvConfig> with AltConfigHdr in DefaultAltCfgResp.\r
+ //\r
+ NvConfigPtr = StrStr (DefaultAltCfgResp, AltConfigHdr);\r
+ ASSERT (NvConfigPtr != NULL);\r
+ NvConfigPtr = StrStr (NvConfigPtr + StrLen(AltConfigHdr),L"&");\r
+ //\r
+ // Make StringPtr point to the first <NvConfig> with AltConfigHdr in ConfigAltResp.\r
+ //\r
+ StringPtr = StrStr (*ConfigAltResp, AltConfigHdr);\r
+ ASSERT (StringPtr != NULL);\r
+ StringPtr = StrStr (StringPtr + StrLen (AltConfigHdr), L"&");\r
+ ASSERT (StringPtr != NULL);\r
+\r
+ while (NvConfigPtr != NULL) {\r
+ //\r
+ // <NvConfig> ::= <Label>'='<String> | <Label>'='<Number>.\r
+ // Get the <Label> with AltConfigHdr in DefaultAltCfgResp.\r
+ //\r
+ NvConfigStart = NvConfigPtr;\r
+ NvConfigValuePtr = StrStr (NvConfigPtr + 1, L"=");\r
+ ASSERT (NvConfigValuePtr != NULL);\r
+ TempChar = *NvConfigValuePtr;\r
+ *NvConfigValuePtr = L'\0';\r
+ //\r
+ // Get the <Label> with AltConfigHdr in ConfigAltResp.\r
+ //\r
+ NvConfigExist = StrStr (StringPtr, NvConfigPtr);\r
+ if (NvConfigExist == NULL) {\r
+ //\r
+ // Don't find same <Label> in ConfigAltResp.\r
+ // Calculate the size of <NvConfig>.\r
+ //\r
+ *NvConfigValuePtr = TempChar;\r
+ NvConfigPtr = StrStr (NvConfigPtr + 1, L"&");\r
+ if (NvConfigPtr != NULL) {\r
+ AppendSize = (NvConfigPtr - NvConfigStart) * sizeof (CHAR16);\r
+ } else {\r
+ AppendSize = StrSize (NvConfigStart);\r
+ }\r
+ //\r
+ // Copy the <NvConfig> to AppendString.\r
+ //\r
+ if (AppendString == NULL) {\r
+ AppendString = (EFI_STRING) AllocateZeroPool (AppendSize + sizeof (CHAR16));\r
+ StrnCatS (AppendString, AppendSize / sizeof (CHAR16) + 1, NvConfigStart, AppendSize / sizeof (CHAR16));\r
+ } else {\r
+ TotalSize = StrSize (AppendString) + AppendSize + sizeof (CHAR16);\r
+ AppendString = (EFI_STRING) ReallocatePool (\r
+ StrSize (AppendString),\r
+ TotalSize,\r
+ AppendString\r
+ );\r
+ if (AppendString == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ StrnCatS (AppendString, TotalSize / sizeof (CHAR16), NvConfigStart, AppendSize / sizeof (CHAR16));\r
+ }\r
+ } else {\r
+ //\r
+ // To find next <Label> in DefaultAltCfgResp.\r
+ //\r
+ *NvConfigValuePtr = TempChar;\r
+ NvConfigPtr = StrStr (NvConfigPtr + 1, L"&");\r
+ }\r
+ }\r
+ if (AppendString != NULL) {\r
+ //\r
+ // Reallocate ConfigAltResp to copy the AppendString.\r
+ //\r
+ TotalSize = StrSize (*ConfigAltResp) + StrSize (AppendString) + sizeof (CHAR16);\r
+ *ConfigAltResp = (EFI_STRING) ReallocatePool (\r
+ StrSize (*ConfigAltResp),\r
+ StrSize (*ConfigAltResp) + StrSize (AppendString) + sizeof (CHAR16),\r
+ *ConfigAltResp\r
+ );\r
+ if (*ConfigAltResp == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ StrCatS (*ConfigAltResp, TotalSize / sizeof (CHAR16), AppendString);\r
+ *ConfigAltRespChanged = TRUE;\r
+ }\r
+ Status = EFI_SUCCESS;\r
+\r
+Exit:\r
+ if (AppendString != NULL) {\r
+ FreePool (AppendString);\r
+ }\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Compare the <AltResp> in AltCfgResp and DefaultAltCfgResp, if the <AltResp>\r
+ in DefaultAltCfgResp but not in AltCfgResp,add it to the AltCfgResp.\r
+\r
+ @param AltCfgResp Pointer to a null-terminated Unicode string in\r
+ <ConfigAltResp> format.\r
+ @param DefaultAltCfgResp Pointer to a null-terminated Unicode string in\r
+ <MultiConfigAltResp> format. The default value\r
+ string may contain more than one ConfigAltResp\r
+ string for the different varstore buffer.\r
+ @param AltConfigHdr Pointer to a Unicode string in <AltConfigHdr> format.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r
+ structures.\r
+ @retval EFI_SUCCESS The function finishes successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+CompareAndMergeDefaultString (\r
+ IN OUT EFI_STRING *AltCfgResp,\r
+ IN EFI_STRING DefaultAltCfgResp,\r
+ IN EFI_STRING AltConfigHdr\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STRING AltCfgRespBackup;\r
+ EFI_STRING AltConfigHdrPtr;\r
+ EFI_STRING AltConfigHdrPtrNext;\r
+ EFI_STRING ConfigAltResp;\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING StringPtrNext;\r
+ EFI_STRING BlockPtr;\r
+ UINTN ReallocateSize;\r
+ CHAR16 TempChar;\r
+ CHAR16 TempCharA;\r
+ BOOLEAN ConfigAltRespChanged;\r
+\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ BlockPtr = NULL;\r
+ AltConfigHdrPtrNext = NULL;\r
+ StringPtrNext = NULL;\r
+ ConfigAltResp = NULL;\r
+ AltCfgRespBackup = NULL;\r
+ ConfigAltRespChanged = FALSE;\r
+\r
+ //\r
+ //To find the <AltResp> with AltConfigHdr in DefaultAltCfgResp, ignore other <AltResp> which follow it.\r
+ //\r
+ AltConfigHdrPtr = StrStr (DefaultAltCfgResp, AltConfigHdr);\r
+ ASSERT (AltConfigHdrPtr != NULL);\r
+ AltConfigHdrPtrNext = StrStr (AltConfigHdrPtr + 1, L"&GUID");\r
+ if (AltConfigHdrPtrNext != NULL) {\r
+ TempChar = *AltConfigHdrPtrNext;\r
+ *AltConfigHdrPtrNext = L'\0';\r
+ }\r
+ //\r
+ // To find the <AltResp> with AltConfigHdr in AltCfgResp, ignore other <AltResp> which follow it.\r
+ //\r
+ StringPtr = StrStr (*AltCfgResp, AltConfigHdr);\r
+ StringPtrNext = StrStr (StringPtr + 1, L"&GUID");\r
+ if (StringPtrNext != NULL) {\r
+ TempCharA = *StringPtrNext;\r
+ *StringPtrNext = L'\0';\r
+ }\r
+ //\r
+ // Copy the content of <ConfigAltResp> which contain current AltConfigHdr in AltCfgResp.\r
+ //\r
+ ConfigAltResp = AllocateCopyPool (StrSize (*AltCfgResp), *AltCfgResp);\r
+ if (ConfigAltResp == NULL) {\r
+ goto Exit;\r
+ }\r
+ //\r
+ // To find the <ConfigBody> with AltConfigHdr in DefaultAltCfgResp.\r
+ //\r
+ BlockPtr = StrStr (AltConfigHdrPtr, L"&OFFSET=");\r
+ if (BlockPtr != NULL) {\r
+ //\r
+ // <BlockConfig>::='OFFSET='<Number>'&WIDTH='<Number>'&VALUE='<Number> style.\r
+ // Call function CompareBlockElementDefault to compare the <BlockConfig> in DefaultAltCfgResp and ConfigAltResp.\r
+ // The ConfigAltResp which may contain the new <BlockConfig> get from DefaultAltCfgResp.\r
+ //\r
+ Status = CompareBlockElementDefault (DefaultAltCfgResp, &ConfigAltResp, AltConfigHdr, &ConfigAltRespChanged);\r
+ if (EFI_ERROR(Status)) {\r
+ goto Exit;\r
+ }\r
+ } else {\r
+ //\r
+ // <NvConfig> ::= <Label>'='<String> | <Label>'='<Number> style.\r
+ // Call function CompareNameElementDefault to compare the <NvConfig> in DefaultAltCfgResp and ConfigAltResp.\r
+ // The ConfigAltResp which may contain the new <NvConfig> get from DefaultAltCfgResp.\r
+ //\r
+ Status = CompareNameElementDefault (DefaultAltCfgResp, &ConfigAltResp, AltConfigHdr, &ConfigAltRespChanged);\r
+ if (EFI_ERROR(Status)) {\r
+ goto Exit;\r
+ }\r
+ }\r
+ //\r
+ // Restore the AltCfgResp.\r
+ //\r
+ if (StringPtrNext != NULL) {\r
+ *StringPtrNext = TempCharA;\r
+ }\r
+\r
+ //\r
+ // If the ConfigAltResp has no change,no need to update the content in AltCfgResp.\r
+ //\r
+ if (ConfigAltRespChanged == FALSE) {\r
+ Status = EFI_SUCCESS;\r
+ goto Exit;\r
+ }\r
+ //\r
+ // ConfigAltResp has been changed, need to update the content in AltCfgResp.\r
+ //\r
+ if (StringPtrNext != NULL) {\r
+ ReallocateSize = StrSize (ConfigAltResp) + StrSize (StringPtrNext) + sizeof (CHAR16);\r
+ } else {\r
+ ReallocateSize = StrSize (ConfigAltResp) + sizeof (CHAR16);\r
+ }\r
+\r
+ AltCfgRespBackup = (EFI_STRING) AllocateZeroPool (ReallocateSize);\r
+ if (AltCfgRespBackup == NULL) {\r
+ goto Exit;\r
+ }\r
+\r
+ StrCatS (AltCfgRespBackup, ReallocateSize / sizeof (CHAR16), ConfigAltResp);\r
+ if (StringPtrNext != NULL) {\r
+ StrCatS (AltCfgRespBackup, ReallocateSize / sizeof (CHAR16), StringPtrNext);\r
+ }\r
+\r
+ FreePool (*AltCfgResp);\r
+ *AltCfgResp = AltCfgRespBackup;\r
+\r
+ Status = EFI_SUCCESS;\r
+\r
+Exit:\r
+ if (ConfigAltResp != NULL) {\r
+ FreePool(ConfigAltResp);\r
+ }\r
+ //\r
+ // Restore the DefaultAltCfgResp.\r
+ //\r
+ if ( AltConfigHdrPtrNext != NULL) {\r
+ *AltConfigHdrPtrNext = TempChar;\r
+ AltConfigHdrPtrNext = NULL;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
/**\r
This function merges DefaultAltCfgResp string into AltCfgResp string for\r
the missing AltCfgId in AltCfgResq.\r
StrCatS (*AltCfgResp, TotalSize / sizeof (CHAR16), StringPtrDefault);\r
*StringPtrEnd = TempChar;\r
}\r
+ } else {\r
+ //\r
+ // The AltCfgResp contains <AltCfgResp>.\r
+ // If the <ConfigElement> in <AltCfgResp> in the DefaultAltCfgResp but not in the\r
+ // related <AltCfgResp> in AltCfgResp, merge it to AltCfgResp. else no need to merge.\r
+ //\r
+ CompareAndMergeDefaultString (AltCfgResp, DefaultAltCfgResp, AltConfigHdr);\r
}\r
\r
//\r
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
EFI_STRING AccessProgress;\r
EFI_STRING AccessResults;\r
+ EFI_STRING AccessProgressBackup;\r
+ EFI_STRING AccessResultsBackup;\r
EFI_STRING DefaultResults;\r
BOOLEAN FirstElement;\r
BOOLEAN IfrDataParsedFlag;\r
EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo;\r
EFI_STRING ErrorPtr;\r
UINTN DevicePathSize;\r
+ UINTN ConigStringSize;\r
+ UINTN ConigStringSizeNewsize;\r
+ EFI_STRING ConfigStringPtr;\r
\r
if (This == NULL || Progress == NULL || Results == NULL) {\r
return EFI_INVALID_PARAMETER;\r
Status = EFI_SUCCESS;\r
AccessResults = NULL;\r
AccessProgress = NULL;\r
+ AccessResultsBackup = NULL;\r
+ AccessProgressBackup = NULL;\r
DevicePath = NULL;\r
IfrDataParsedFlag = FALSE;\r
IsEfiVarStore = FALSE;\r
//\r
Status = GetConfigRespFromEfiVarStore(This, EfiVarStoreInfo, ConfigRequest, &AccessResults, &AccessProgress);\r
FreePool (EfiVarStoreInfo);\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // AccessProgress indicates the parsing progress on <ConfigRequest>.\r
+ // Map it to the progress on <MultiConfigRequest> then return it.\r
+ //\r
+ *Progress = StrStr (StringPtr, AccessProgress);\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // For EfiVarstore, call corresponding ConfigAccess protocol to get the AltCfgResp from driver.\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ DriverHandle,\r
+ &gEfiHiiConfigAccessProtocolGuid,\r
+ (VOID **) &ConfigAccess\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // The driver has EfiVarStore, may not install ConfigAccess protocol.\r
+ // So ignore the error status in this case.\r
+ //\r
+ Status = EFI_SUCCESS;\r
+ } else {\r
+ Status = ConfigAccess->ExtractConfig (\r
+ ConfigAccess,\r
+ ConfigRequest,\r
+ &AccessProgressBackup,\r
+ &AccessResultsBackup\r
+ );\r
+ if (!EFI_ERROR(Status)) {\r
+ //\r
+ //Merge the AltCfgResp in AccessResultsBackup to AccessResults\r
+ //\r
+ if ((AccessResultsBackup != NULL) && (StrStr (AccessResultsBackup, L"&ALTCFG=") != NULL)) {\r
+ ConigStringSize = StrSize (AccessResults);\r
+ ConfigStringPtr = StrStr (AccessResultsBackup, L"&GUID=");\r
+ ConigStringSizeNewsize = StrSize (ConfigStringPtr) + ConigStringSize + sizeof (CHAR16);\r
+ AccessResults = (EFI_STRING) ReallocatePool (\r
+ ConigStringSize,\r
+ ConigStringSizeNewsize,\r
+ AccessResults);\r
+ StrCatS (AccessResults, ConigStringSizeNewsize / sizeof (CHAR16), ConfigStringPtr);\r
+ }\r
+ } else {\r
+ //\r
+ // In the ExtractConfig function of some driver may not support EfiVarStore,\r
+ // may return error status, just ignore the error status in this case.\r
+ //\r
+ Status = EFI_SUCCESS;\r
+ }\r
+ if (AccessResultsBackup != NULL) {\r
+ FreePool (AccessResultsBackup);\r
+ AccessResultsBackup = NULL;\r
+ }\r
+ }\r
} else {\r
//\r
// Call corresponding ConfigAccess protocol to extract settings\r
projects / mirror_edk2.git / commitdiff