\r
#include "InternalHiiLib.h"\r
\r
+#define GUID_CONFIG_STRING_TYPE 0x00\r
+#define NAME_CONFIG_STRING_TYPE 0x01\r
+#define PATH_CONFIG_STRING_TYPE 0x02\r
+\r
+#define ACTION_SET_DEFAUTL_VALUE 0x01\r
+#define ACTION_VALIDATE_SETTING 0x02\r
+\r
+#define HII_LIB_DEFAULT_VARSTORE_SIZE 0x200\r
+\r
+typedef struct {\r
+ LIST_ENTRY Entry; // Link to Block array\r
+ UINT16 Offset;\r
+ UINT16 Width;\r
+ UINT8 OpCode;\r
+ UINT8 Scope;\r
+} IFR_BLOCK_DATA;\r
+\r
//\r
// <ConfigHdr> Template\r
//\r
EFI_HII_PACKAGE_END\r
};\r
\r
+/**\r
+ Extract Hii package list GUID for given HII handle.\r
+\r
+ If HiiHandle could not be found in the HII database, then ASSERT.\r
+ If Guid is NULL, then ASSERT.\r
+\r
+ @param Handle Hii handle\r
+ @param Guid Package list GUID\r
+\r
+ @retval EFI_SUCCESS Successfully extract GUID from Hii database.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InternalHiiExtractGuidFromHiiHandle (\r
+ IN EFI_HII_HANDLE Handle,\r
+ OUT EFI_GUID *Guid\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN BufferSize;\r
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;\r
+\r
+ ASSERT (Guid != NULL);\r
+ ASSERT (Handle != NULL);\r
+\r
+ //\r
+ // Get HII PackageList\r
+ //\r
+ BufferSize = 0;\r
+ HiiPackageList = NULL;\r
+\r
+ Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, Handle, &BufferSize, HiiPackageList);\r
+ ASSERT (Status != EFI_NOT_FOUND);\r
+ \r
+ if (Status == EFI_BUFFER_TOO_SMALL) {\r
+ HiiPackageList = AllocatePool (BufferSize);\r
+ ASSERT (HiiPackageList != NULL);\r
+\r
+ Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, Handle, &BufferSize, HiiPackageList);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (HiiPackageList);\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Extract GUID\r
+ //\r
+ CopyGuid (Guid, &HiiPackageList->PackageListGuid);\r
+\r
+ FreePool (HiiPackageList);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
/**\r
Registers a list of packages in the HII Database and returns the HII Handle\r
associated with that registration. If an HII Handle has already been registered\r
}\r
}\r
\r
-/**\r
- Extract Hii package list GUID for given HII handle.\r
-\r
- If HiiHandle could not be found in the HII database, then ASSERT.\r
- If Guid is NULL, then ASSERT.\r
-\r
- @param Handle Hii handle\r
- @param Guid Package list GUID\r
-\r
- @retval EFI_SUCCESS Successfully extract GUID from Hii database.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-InternalHiiExtractGuidFromHiiHandle (\r
- IN EFI_HII_HANDLE Handle,\r
- OUT EFI_GUID *Guid\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN BufferSize;\r
- EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;\r
-\r
- ASSERT (Guid != NULL);\r
- ASSERT (Handle != NULL);\r
-\r
- //\r
- // Get HII PackageList\r
- //\r
- BufferSize = 0;\r
- HiiPackageList = NULL;\r
-\r
- Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, Handle, &BufferSize, HiiPackageList);\r
- ASSERT (Status != EFI_NOT_FOUND);\r
- \r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- HiiPackageList = AllocatePool (BufferSize);\r
- ASSERT (HiiPackageList != NULL);\r
-\r
- Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, Handle, &BufferSize, HiiPackageList);\r
- }\r
- if (EFI_ERROR (Status)) {\r
- FreePool (HiiPackageList);\r
- return Status;\r
- }\r
-\r
- //\r
- // Extract GUID\r
- //\r
- CopyGuid (Guid, &HiiPackageList->PackageListGuid);\r
-\r
- FreePool (HiiPackageList);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
/**\r
Converts all hex dtring characters in range ['A'..'F'] to ['a'..'f'] for \r
hex digits that appear between a '=' and a '&' in a config string.\r
return InternalHiiLowerConfigString (ReturnString);\r
}\r
\r
+/**\r
+ Convert the hex UNICODE encoding string of UEFI GUID, NAME or device path \r
+ to binary buffer from <ConfigHdr>.\r
+\r
+ This is a internal function.\r
+\r
+ @param String UEFI configuration string.\r
+ @param Flag Flag specifies what type buffer will be retrieved.\r
+ @param Buffer Binary of Guid, Name or Device path.\r
+\r
+ @retval EFI_INVALID_PARAMETER Any incoming parameter is invalid.\r
+ @retval EFI_OUT_OF_RESOURCES Lake of resources to store neccesary structures.\r
+ @retval EFI_SUCCESS The buffer data is retrieved and translated to\r
+ binary format.\r
+\r
+**/\r
+EFI_STATUS\r
+InternalHiiGetBufferFromString (\r
+ IN EFI_STRING String,\r
+ IN UINT8 Flag,\r
+ OUT UINT8 **Buffer\r
+ )\r
+{\r
+ UINTN Length;\r
+ EFI_STRING ConfigHdr;\r
+ CHAR16 *StringPtr;\r
+ UINT8 *DataBuffer;\r
+ CHAR16 TemStr[5];\r
+ UINTN Index;\r
+ UINT8 DigitUint8;\r
+\r
+ if (String == NULL || Buffer == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
+ DataBuffer = NULL;\r
+ StringPtr = NULL;\r
+ ConfigHdr = String;\r
+ //\r
+ // The content between 'GUID', 'NAME', 'PATH' of <ConfigHdr> and '&' of next element\r
+ // or '\0' (end of configuration string) is the UNICODE %02x bytes encoding string.\r
+ //\r
+ for (Length = 0; *String != 0 && *String != L'&'; String++, Length++);\r
+\r
+ switch (Flag) {\r
+ case GUID_CONFIG_STRING_TYPE:\r
+ case PATH_CONFIG_STRING_TYPE:\r
+ //\r
+ // The data in <ConfigHdr> is encoded as hex UNICODE %02x bytes in the same order\r
+ // as the device path and Guid resides in RAM memory.\r
+ // Translate the data into binary.\r
+ //\r
+ DataBuffer = (UINT8 *) AllocateZeroPool ((Length + 1) / 2);\r
+ if (DataBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ //\r
+ // Convert binary byte one by one\r
+ //\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < Length; Index ++) {\r
+ TemStr[0] = ConfigHdr[Index];\r
+ DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
+ if ((Index & 1) == 0) {\r
+ DataBuffer [Index/2] = DigitUint8;\r
+ } else {\r
+ DataBuffer [Index/2] = (UINT8) ((DataBuffer [Index/2] << 4) + DigitUint8);\r
+ }\r
+ }\r
+ \r
+ *Buffer = DataBuffer;\r
+ break;\r
+\r
+ case NAME_CONFIG_STRING_TYPE:\r
+ //\r
+ // Convert Config String to Unicode String, e.g. "0041004200430044" => "ABCD"\r
+ // \r
+\r
+ //\r
+ // Add the tailling char L'\0'\r
+ //\r
+ DataBuffer = (UINT8 *) AllocateZeroPool ((Length/4 + 1) * sizeof (CHAR16));\r
+ if (DataBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ //\r
+ // Convert character one by one\r
+ //\r
+ StringPtr = (CHAR16 *) DataBuffer;\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < Length; Index += 4) {\r
+ StrnCpy (TemStr, ConfigHdr + Index, 4);\r
+ StringPtr[Index/4] = (CHAR16) StrHexToUint64 (TemStr);\r
+ }\r
+ //\r
+ // Add tailing L'\0' character\r
+ //\r
+ StringPtr[Index/4] = L'\0';\r
+\r
+ *Buffer = DataBuffer;\r
+ break;\r
+\r
+ default:\r
+ return EFI_INVALID_PARAMETER;\r
+ break;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function checks VarOffset and VarWidth is in the block range.\r
+\r
+ @param BlockArray The block array is to be checked. \r
+ @param VarOffset Offset of var to the structure\r
+ @param VarWidth Width of var.\r
+ \r
+ @retval TRUE This Var is in the block range.\r
+ @retval FALSE This Var is not in the block range.\r
+**/\r
+BOOLEAN\r
+BlockArrayCheck (\r
+ IN IFR_BLOCK_DATA *BlockArray,\r
+ IN UINT16 VarOffset,\r
+ IN UINT16 VarWidth\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ IFR_BLOCK_DATA *BlockData;\r
+ \r
+ //\r
+ // No Request Block array, all vars are got.\r
+ //\r
+ if (BlockArray == NULL) {\r
+ return TRUE;\r
+ }\r
+ \r
+ //\r
+ // Check the input var is in the request block range.\r
+ //\r
+ for (Link = BlockArray->Entry.ForwardLink; Link != &BlockArray->Entry; Link = Link->ForwardLink) {\r
+ BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ if ((VarOffset >= BlockData->Offset) && ((VarOffset + VarWidth) <= (BlockData->Offset + BlockData->Width))) {\r
+ return TRUE;\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+/**\r
+ Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET\r
+ or WIDTH or VALUE.\r
+ <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r
+\r
+ @param ValueString String in <BlockConfig> format and points to the\r
+ first character of <Number>.\r
+ @param ValueData The output value. Caller takes the responsibility\r
+ to free memory.\r
+ @param ValueLength Length of the <Number>, in characters.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r
+ structures.\r
+ @retval EFI_SUCCESS Value of <Number> is outputted in Number\r
+ successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InternalHiiGetValueOfNumber (\r
+ IN EFI_STRING ValueString,\r
+ OUT UINT8 **ValueData,\r
+ OUT UINTN *ValueLength\r
+ )\r
+{\r
+ EFI_STRING StringPtr;\r
+ UINTN Length;\r
+ UINT8 *Buf;\r
+ UINT8 DigitUint8;\r
+ UINTN Index;\r
+ CHAR16 TemStr[2];\r
+\r
+ ASSERT (ValueString != NULL && ValueData != NULL && ValueLength != NULL);\r
+ ASSERT (*ValueString != L'\0');\r
+\r
+ //\r
+ // Get the length of value string\r
+ //\r
+ StringPtr = ValueString;\r
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
+ StringPtr++;\r
+ }\r
+ Length = StringPtr - ValueString;\r
+ \r
+ //\r
+ // Allocate buffer to store the value\r
+ //\r
+ Buf = (UINT8 *) AllocateZeroPool ((Length + 1) / 2);\r
+ if (Buf == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ \r
+ //\r
+ // Convert character one by one to the value buffer\r
+ //\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < Length; Index ++) {\r
+ TemStr[0] = ValueString[Length - Index - 1];\r
+ DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
+ if ((Index & 1) == 0) {\r
+ Buf [Index/2] = DigitUint8;\r
+ } else {\r
+ Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Set the converted value and string length.\r
+ //\r
+ *ValueData = Buf;\r
+ *ValueLength = Length;\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function shares the same logic to parse ConfigAltResp string \r
+ for setting default value and validating current setting.\r
+\r
+ @param ConfigResp \r
+ @param HiiPackageList \r
+ @param PackageListLength \r
+ @param VarGuid\r
+ @param VarName\r
+ \r
+ @retval EFI_SUCCESS\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InternalHiiValidateCurrentSetting (\r
+ IN EFI_STRING ConfigResp,\r
+ IN EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList,\r
+ IN UINTN PackageListLength,\r
+ IN EFI_GUID *VarGuid,\r
+ IN CHAR16 *VarName\r
+ )\r
+{ \r
+ IFR_BLOCK_DATA *CurrentBlockArray;\r
+ IFR_BLOCK_DATA *BlockData;\r
+ IFR_BLOCK_DATA *NewBlockData;\r
+ IFR_BLOCK_DATA VarBlockData;\r
+ EFI_STRING StringPtr;\r
+ UINTN Length;\r
+ UINT8 *TmpBuffer;\r
+ UINT16 Offset;\r
+ UINT16 Width;\r
+ UINT64 VarValue;\r
+ LIST_ENTRY *Link;\r
+ UINT8 *VarBuffer;\r
+ UINTN MaxBufferSize;\r
+ EFI_STATUS Status;\r
+ EFI_HII_PACKAGE_HEADER PacakgeHeader;\r
+ UINT32 PackageOffset;\r
+ UINT8 *PackageData;\r
+ UINTN IfrOffset;\r
+ EFI_IFR_OP_HEADER *IfrOpHdr;\r
+ EFI_IFR_VARSTORE *IfrVarStore;\r
+ EFI_IFR_ONE_OF *IfrOneOf;\r
+ EFI_IFR_NUMERIC *IfrNumeric;\r
+ EFI_IFR_ONE_OF_OPTION *IfrOneOfOption;\r
+ EFI_IFR_CHECKBOX *IfrCheckBox;\r
+ EFI_IFR_STRING *IfrString;\r
+ CHAR8 *VarStoreName;\r
+ UINTN Index;\r
+ \r
+ //\r
+ // 1. Get the current setting to current block data array and Convert them into VarBuffer\r
+ //\r
+\r
+ //\r
+ // Skip ConfigHdr string\r
+ //\r
+ StringPtr = ConfigResp;\r
+ StringPtr = StrStr (ConfigResp, L"&OFFSET");\r
+ if (StringPtr == NULL) {\r
+ //\r
+ // No ConfigBlock value is requied to be validated.\r
+ // EFI_SUCCESS directly return.\r
+ //\r
+ return EFI_SUCCESS;\r
+ }\r
+ \r
+ //\r
+ // Initialize the local variables.\r
+ //\r
+ Index = 0;\r
+ VarStoreName = NULL;\r
+ Status = EFI_SUCCESS;\r
+ BlockData = NULL;\r
+ NewBlockData = NULL;\r
+ TmpBuffer = NULL;\r
+ MaxBufferSize = HII_LIB_DEFAULT_VARSTORE_SIZE;\r
+ VarBuffer = AllocateZeroPool (MaxBufferSize);\r
+ if (VarBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ //\r
+ // Init CurrentBlockArray\r
+ //\r
+ CurrentBlockArray = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (CurrentBlockArray == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ InitializeListHead (&CurrentBlockArray->Entry);\r
+ \r
+ //\r
+ // Parse each <RequestElement> if exists\r
+ // Only <BlockName> format is supported by this help function.\r
+ // <BlockName> ::= &'OFFSET='<Number>&'WIDTH='<Number>\r
+ //\r
+ while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) {\r
+ //\r
+ // Skip the &OFFSET= string\r
+ // \r
+ StringPtr += StrLen (L"&OFFSET=");\r
+\r
+ //\r
+ // Get Offset\r
+ //\r
+ Status = InternalHiiGetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ Offset = 0;\r
+ CopyMem (\r
+ &Offset,\r
+ TmpBuffer,\r
+ (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16)\r
+ );\r
+ FreePool (TmpBuffer);\r
+ TmpBuffer = NULL;\r
+\r
+ StringPtr += Length;\r
+ if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ StringPtr += StrLen (L"&WIDTH=");\r
+\r
+ //\r
+ // Get Width\r
+ //\r
+ Status = InternalHiiGetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ Width = 0;\r
+ CopyMem (\r
+ &Width,\r
+ TmpBuffer,\r
+ (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16)\r
+ );\r
+ FreePool (TmpBuffer);\r
+ TmpBuffer = NULL;\r
+\r
+ StringPtr += Length;\r
+ if (*StringPtr != 0 && *StringPtr != L'&') {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ StringPtr += StrLen (L"&VALUE=");\r
+\r
+ //\r
+ // Get Value\r
+ //\r
+ Status = InternalHiiGetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ StringPtr += Length;\r
+ if (*StringPtr != 0 && *StringPtr != L'&') {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Check whether VarBuffer is enough\r
+ //\r
+ if ((UINTN) (Offset + Width) > MaxBufferSize) {\r
+ VarBuffer = ReallocatePool (\r
+ MaxBufferSize,\r
+ Offset + Width + HII_LIB_DEFAULT_VARSTORE_SIZE,\r
+ VarBuffer\r
+ );\r
+ if (VarBuffer == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ MaxBufferSize = Offset + Width + HII_LIB_DEFAULT_VARSTORE_SIZE;\r
+ }\r
+\r
+ //\r
+ // Update the Block with configuration info\r
+ //\r
+ CopyMem (VarBuffer + Offset, TmpBuffer, Width);\r
+ FreePool (TmpBuffer);\r
+ TmpBuffer = NULL;\r
+\r
+ //\r
+ // Set new Block Data\r
+ //\r
+ NewBlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (NewBlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ NewBlockData->Offset = Offset;\r
+ NewBlockData->Width = Width;\r
+\r
+ //\r
+ // Insert the new block data into the block data array.\r
+ //\r
+ for (Link = CurrentBlockArray->Entry.ForwardLink; Link != &CurrentBlockArray->Entry; Link = Link->ForwardLink) {\r
+ BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ if (NewBlockData->Offset == BlockData->Offset) {\r
+ if (NewBlockData->Width > BlockData->Width) {\r
+ BlockData->Width = NewBlockData->Width;\r
+ }\r
+ FreePool (NewBlockData);\r
+ break;\r
+ } else if (NewBlockData->Offset < BlockData->Offset) {\r
+ //\r
+ // Insert new block data as the previous one of this link.\r
+ //\r
+ InsertTailList (Link, &NewBlockData->Entry);\r
+ break;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Insert new block data into the array tail.\r
+ //\r
+ if (Link == &CurrentBlockArray->Entry) {\r
+ InsertTailList (Link, &NewBlockData->Entry);\r
+ }\r
+\r
+ //\r
+ // If '\0', parsing is finished. \r
+ //\r
+ if (*StringPtr == 0) {\r
+ break;\r
+ }\r
+ //\r
+ // Go to next ConfigBlock \r
+ //\r
+ }\r
+\r
+ //\r
+ // Merge the aligned block data into the single block data.\r
+ //\r
+ Link = CurrentBlockArray->Entry.ForwardLink;\r
+ while ((Link != &CurrentBlockArray->Entry) && (Link->ForwardLink != &CurrentBlockArray->Entry)) {\r
+ BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ NewBlockData = BASE_CR (Link->ForwardLink, IFR_BLOCK_DATA, Entry);\r
+ if ((NewBlockData->Offset >= BlockData->Offset) && (NewBlockData->Offset <= (BlockData->Offset + BlockData->Width))) {\r
+ if ((NewBlockData->Offset + NewBlockData->Width) > (BlockData->Offset + BlockData->Width)) {\r
+ BlockData->Width = (UINT16) (NewBlockData->Offset + NewBlockData->Width - BlockData->Offset);\r
+ }\r
+ RemoveEntryList (Link->ForwardLink);\r
+ FreePool (NewBlockData);\r
+ continue;\r
+ }\r
+ Link = Link->ForwardLink; \r
+ }\r
+\r
+ //\r
+ // 2. Check IFR value is in block data, then Validate Vaule\r
+ //\r
+ ZeroMem (&VarBlockData, sizeof (VarBlockData));\r
+ VarValue = 0;\r
+ IfrVarStore = NULL;\r
+ PackageOffset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
+ while (PackageOffset < PackageListLength) {\r
+ CopyMem (&PacakgeHeader, (UINT8 *) HiiPackageList + PackageOffset, sizeof (PacakgeHeader));\r
+ \r
+ //\r
+ // Parse IFR opcode from the form package.\r
+ //\r
+ if (PacakgeHeader.Type == EFI_HII_PACKAGE_FORMS) {\r
+ IfrOffset = sizeof (PacakgeHeader);\r
+ PackageData = (UINT8 *) HiiPackageList + PackageOffset;\r
+ while (IfrOffset < PacakgeHeader.Length) {\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *) (PackageData + IfrOffset);\r
+ //\r
+ // Validate current setting to the value built in IFR opcode\r
+ //\r
+ switch (IfrOpHdr->OpCode) {\r
+ case EFI_IFR_VARSTORE_OP: \r
+ //\r
+ // VarStoreId has been found. No further found.\r
+ //\r
+ if (IfrVarStore != NULL) {\r
+ break;\r
+ }\r
+ //\r
+ // Find the matched VarStoreId to the input VarGuid and VarName\r
+ // \r
+ IfrVarStore = (EFI_IFR_VARSTORE *) IfrOpHdr;\r
+ if (CompareGuid ((EFI_GUID *) (VOID *) &IfrVarStore->Guid, VarGuid)) {\r
+ VarStoreName = (CHAR8 *) IfrVarStore->Name;\r
+ for (Index = 0; VarStoreName[Index] != 0; Index ++) {\r
+ if ((CHAR16) VarStoreName[Index] != VarName[Index]) {\r
+ break;\r
+ }\r
+ }\r
+ //\r
+ // The matched VarStore is found.\r
+ //\r
+ if ((VarStoreName[Index] != 0) || (VarName[Index] != 0)) {\r
+ IfrVarStore = NULL;\r
+ }\r
+ } else {\r
+ IfrVarStore = NULL;\r
+ }\r
+ break;\r
+ case EFI_IFR_FORM_OP:\r
+ //\r
+ // Check the matched VarStoreId is found.\r
+ //\r
+ if (IfrVarStore == NULL) {\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
+ }\r
+ break;\r
+ case EFI_IFR_ONE_OF_OP:\r
+ //\r
+ // Check whether current value is the one of option. \r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrOneOf = (EFI_IFR_ONE_OF *) IfrOpHdr;\r
+ if (IfrOneOf->Question.VarStoreId != IfrVarStore->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset by Question header and Width by DataType Flags\r
+ //\r
+ Offset = IfrOneOf->Question.VarStoreInfo.VarOffset;\r
+ Width = (UINT16) (1 << (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE));\r
+ //\r
+ // Check whether this question is in current block array.\r
+ //\r
+ if (!BlockArrayCheck (CurrentBlockArray, Offset, Width)) {\r
+ //\r
+ // This question is not in the current configuration string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((Offset + Width) > IfrVarStore->Size) {\r
+ //\r
+ // This question exceeds the var store size. \r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Get the current value for oneof opcode\r
+ //\r
+ VarValue = 0;\r
+ CopyMem (&VarValue, VarBuffer + Offset, Width);\r
+ //\r
+ // Set Block Data, to be checked in the following Oneof option opcode.\r
+ //\r
+ VarBlockData.Offset = Offset;\r
+ VarBlockData.Width = Width;\r
+ VarBlockData.OpCode = IfrOpHdr->OpCode;\r
+ VarBlockData.Scope = IfrOpHdr->Scope;\r
+ break;\r
+ case EFI_IFR_NUMERIC_OP:\r
+ //\r
+ // Check the current value is in the numeric range.\r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrNumeric = (EFI_IFR_NUMERIC *) IfrOpHdr;\r
+ if (IfrNumeric->Question.VarStoreId != IfrVarStore->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset by Question header and Width by DataType Flags\r
+ //\r
+ Offset = IfrNumeric->Question.VarStoreInfo.VarOffset;\r
+ Width = (UINT16) (1 << (IfrNumeric->Flags & EFI_IFR_NUMERIC_SIZE));\r
+ //\r
+ // Check whether this question is in current block array.\r
+ //\r
+ if (!BlockArrayCheck (CurrentBlockArray, Offset, Width)) {\r
+ //\r
+ // This question is not in the current configuration string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((Offset + Width) > IfrVarStore->Size) {\r
+ //\r
+ // This question exceeds the var store size. \r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Check the current value is in the numeric range.\r
+ //\r
+ VarValue = 0;\r
+ CopyMem (&VarValue, VarBuffer + Offset, Width);\r
+ switch (IfrNumeric->Flags & EFI_IFR_NUMERIC_SIZE) {\r
+ case EFI_IFR_NUMERIC_SIZE_1:\r
+ if ((UINT8) VarValue < IfrNumeric->data.u8.MinValue || (UINT8) VarValue > IfrNumeric->data.u8.MaxValue) {\r
+ //\r
+ // Not in the valid range.\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ break;\r
+ case EFI_IFR_NUMERIC_SIZE_2:\r
+ if ((UINT16) VarValue < IfrNumeric->data.u16.MinValue || (UINT16) VarValue > IfrNumeric->data.u16.MaxValue) {\r
+ //\r
+ // Not in the valid range.\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ break;\r
+ case EFI_IFR_NUMERIC_SIZE_4:\r
+ if ((UINT32) VarValue < IfrNumeric->data.u32.MinValue || (UINT32) VarValue > IfrNumeric->data.u32.MaxValue) {\r
+ //\r
+ // Not in the valid range.\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ break;\r
+ case EFI_IFR_NUMERIC_SIZE_8:\r
+ if ((UINT64) VarValue < IfrNumeric->data.u64.MinValue || (UINT64) VarValue > IfrNumeric->data.u64.MaxValue) {\r
+ //\r
+ // Not in the valid range.\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ break;\r
+ }\r
+\r
+ break;\r
+ case EFI_IFR_CHECKBOX_OP:\r
+ //\r
+ // Check value is BOOLEAN type, only 0 and 1 is valid.\r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpHdr;\r
+ if (IfrCheckBox->Question.VarStoreId != IfrVarStore->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset by Question header\r
+ //\r
+ Offset = IfrCheckBox->Question.VarStoreInfo.VarOffset;\r
+ Width = sizeof (BOOLEAN);\r
+ //\r
+ // Check whether this question is in current block array.\r
+ //\r
+ if (!BlockArrayCheck (CurrentBlockArray, Offset, Width)) {\r
+ //\r
+ // This question is not in the current configuration string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((Offset + Width) > IfrVarStore->Size) {\r
+ //\r
+ // This question exceeds the var store size. \r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Boolean type, only 1 and 0 is valid.\r
+ //\r
+ if (*(VarBuffer + Offset) > 1) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done; \r
+ }\r
+ \r
+ break;\r
+ case EFI_IFR_STRING_OP:\r
+ //\r
+ // Check current string length is less than maxsize\r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrString = (EFI_IFR_STRING *) IfrOpHdr;\r
+ if (IfrString->Question.VarStoreId != IfrVarStore->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset/Width by Question header and OneOf Flags\r
+ //\r
+ Offset = IfrString->Question.VarStoreInfo.VarOffset;\r
+ Width = (UINT16) (IfrString->MaxSize * sizeof (UINT16));\r
+ //\r
+ // Check whether this question is in current block array.\r
+ //\r
+ if (!BlockArrayCheck (CurrentBlockArray, Offset, Width)) {\r
+ //\r
+ // This question is not in the current configuration string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((Offset + Width) > IfrVarStore->Size) {\r
+ //\r
+ // This question exceeds the var store size. \r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Check current string length is less than maxsize\r
+ //\r
+ if (StrSize ((CHAR16 *) (VarBuffer + Offset)) > Width) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done; \r
+ }\r
+ break;\r
+ case EFI_IFR_ONE_OF_OPTION_OP:\r
+ //\r
+ // Opcode Scope is zero. This one of option is not to be checked. \r
+ //\r
+ if (VarBlockData.Scope == 0) {\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Only check for OneOf and OrderList opcode\r
+ //\r
+ IfrOneOfOption = (EFI_IFR_ONE_OF_OPTION *) IfrOpHdr;\r
+ if (VarBlockData.OpCode == EFI_IFR_ONE_OF_OP) {\r
+ //\r
+ // Check current value is the value of one of option.\r
+ //\r
+ if (VarValue == IfrOneOfOption->Value.u64) {\r
+ //\r
+ // The value is one of option value.\r
+ // Set OpCode to Zero, don't need check again.\r
+ //\r
+ VarBlockData.OpCode = 0;\r
+ }\r
+ }\r
+\r
+ break;\r
+ case EFI_IFR_END_OP:\r
+ //\r
+ // Decrease opcode scope for the validated opcode\r
+ //\r
+ if (VarBlockData.Scope > 0) {\r
+ VarBlockData.Scope --;\r
+ }\r
+\r
+ //\r
+ // OneOf value doesn't belong to one of option value. \r
+ //\r
+ if (VarBlockData.OpCode == EFI_IFR_ONE_OF_OP) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ break;\r
+ default:\r
+ //\r
+ // Increase Scope for the validated opcode\r
+ //\r
+ if (VarBlockData.Scope > 0) {\r
+ VarBlockData.Scope = (UINT8) (VarBlockData.Scope + IfrOpHdr->Scope);\r
+ }\r
+ break;\r
+ }\r
+ //\r
+ // Go to the next opcode\r
+ //\r
+ IfrOffset += IfrOpHdr->Length;\r
+ }\r
+ //\r
+ // Only one form is in a package list.\r
+ //\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Go to next package.\r
+ //\r
+ PackageOffset += PacakgeHeader.Length; \r
+ }\r
+\r
+Done:\r
+ if (VarBuffer != NULL) {\r
+ FreePool (VarBuffer);\r
+ }\r
+ \r
+ if (CurrentBlockArray != NULL) {\r
+ //\r
+ // Free Link Array CurrentBlockArray\r
+ //\r
+ while (!IsListEmpty (&CurrentBlockArray->Entry)) {\r
+ BlockData = BASE_CR (CurrentBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry);\r
+ RemoveEntryList (&BlockData->Entry);\r
+ FreePool (BlockData);\r
+ }\r
+ FreePool (CurrentBlockArray); \r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ This function shares the same logic to parse ConfigAltResp string \r
+ for setting default value and validating current setting.\r
+ \r
+ 1. For setting default action, Reset the default value specified by DefaultId \r
+ to the driver configuration got by Request string.\r
+ 2. For validating current setting, Validate the current configuration \r
+ by parsing HII form IFR opcode.\r
+\r
+ NULL request string support depends on the ExportConfig interface of\r
+ HiiConfigRouting protocol in UEFI specification.\r
+ \r
+ @param Request A null-terminated Unicode string in \r
+ <MultiConfigRequest> format. It can be NULL.\r
+ If it is NULL, all current configuration for the\r
+ entirety of the current HII database will be validated.\r
+ If it is NULL, all configuration for the\r
+ entirety of the current HII database will be reset.\r
+ @param DefaultId Specifies the type of defaults to retrieve only for setting default action.\r
+ @param ActionType Action supports setting defaults and validate current setting.\r
+ \r
+ @retval TURE Action runs successfully.\r
+ @retval FALSE Action is not valid or Action can't be executed successfully..\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+InternalHiiIfrValueAction (\r
+ IN CONST EFI_STRING Request, OPTIONAL\r
+ IN UINT16 DefaultId,\r
+ IN UINT8 ActionType\r
+ )\r
+{\r
+ EFI_STRING ConfigAltResp;\r
+ EFI_STRING ConfigAltHdr;\r
+ EFI_STRING ConfigResp;\r
+ EFI_STRING Progress;\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING StringHdr;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE DriverHandle;\r
+ EFI_HANDLE TempDriverHandle;\r
+ EFI_HII_HANDLE *HiiHandleBuffer;\r
+ EFI_HII_HANDLE HiiHandle;\r
+ UINT32 Index;\r
+ EFI_GUID *VarGuid;\r
+ EFI_STRING VarName;\r
+ EFI_STRING_ID DefaultName;\r
+\r
+ UINT8 *PackageData;\r
+ UINTN IfrOffset;\r
+ EFI_IFR_OP_HEADER *IfrOpHdr;\r
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;\r
+ UINT32 PackageOffset; \r
+ UINTN PackageListLength;\r
+ EFI_HII_PACKAGE_HEADER PacakgeHeader;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r
+ \r
+ ConfigAltResp = NULL;\r
+ ConfigResp = NULL;\r
+ VarGuid = NULL;\r
+ VarName = NULL;\r
+ DevicePath = NULL;\r
+ ConfigAltHdr = NULL;\r
+ HiiHandleBuffer = NULL;\r
+ Index = 0;\r
+ TempDriverHandle = NULL;\r
+ HiiHandle = NULL;\r
+ PackageData = NULL;\r
+ HiiPackageList = NULL;\r
+ \r
+ //\r
+ // Only support set default and validate setting action.\r
+ //\r
+ if ((ActionType != ACTION_SET_DEFAUTL_VALUE) && (ActionType != ACTION_VALIDATE_SETTING)) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Get the full requested value and deault value string.\r
+ //\r
+ if (Request != NULL) {\r
+ Status = gHiiConfigRouting->ExtractConfig (\r
+ gHiiConfigRouting,\r
+ Request,\r
+ &Progress,\r
+ &ConfigAltResp\r
+ );\r
+ } else {\r
+ Status = gHiiConfigRouting->ExportConfig (\r
+ gHiiConfigRouting,\r
+ &ConfigAltResp\r
+ );\r
+ }\r
+ \r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+ \r
+ StringPtr = ConfigAltResp;\r
+ \r
+ while (StringPtr != L'\0') {\r
+ //\r
+ // 1. Find <ConfigHdr> GUID=...&NAME=...&PATH=...\r
+ //\r
+ StringHdr = StringPtr;\r
+\r
+ //\r
+ // Get Guid value\r
+ //\r
+ if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ StringPtr += StrLen (L"GUID=");\r
+ Status = InternalHiiGetBufferFromString (StringPtr, GUID_CONFIG_STRING_TYPE, (UINT8 **) &VarGuid);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Get Name value VarName\r
+ //\r
+ while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) {\r
+ StringPtr++;\r
+ }\r
+ if (*StringPtr == L'\0') {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ StringPtr += StrLen (L"&NAME=");\r
+ Status = InternalHiiGetBufferFromString (StringPtr, NAME_CONFIG_STRING_TYPE, (UINT8 **) &VarName);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Get Path value DevicePath\r
+ //\r
+ while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) {\r
+ StringPtr++;\r
+ }\r
+ if (*StringPtr == L'\0') {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ StringPtr += StrLen (L"&PATH=");\r
+ Status = InternalHiiGetBufferFromString (StringPtr, PATH_CONFIG_STRING_TYPE, (UINT8 **) &DevicePath);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Get the Driver handle by the got device path.\r
+ //\r
+ TempDevicePath = DevicePath;\r
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &TempDevicePath, &DriverHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Find the matched Hii Handle for the found Driver handle\r
+ //\r
+ HiiHandleBuffer = HiiGetHiiHandles (NULL);\r
+ if (HiiHandleBuffer == NULL) {\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
+ }\r
+\r
+ for (Index = 0; HiiHandleBuffer[Index] != NULL; Index ++) {\r
+ gHiiDatabase->GetPackageListHandle (gHiiDatabase, HiiHandleBuffer[Index], &TempDriverHandle);\r
+ if (TempDriverHandle == DriverHandle) {\r
+ break;\r
+ }\r
+ }\r
+\r
+ HiiHandle = HiiHandleBuffer[Index];\r
+ FreePool (HiiHandleBuffer);\r
+\r
+ if (HiiHandle == NULL) {\r
+ //\r
+ // This request string has no its Hii package.\r
+ // Its default value and validating can't execute by parsing IFR data.\r
+ // Directly jump into the next ConfigAltResp string for another pair Guid, Name, and Path. \r
+ //\r
+ goto NextConfigAltResp;\r
+ }\r
+ \r
+ //\r
+ // 2. Get DefaultName string ID by parsing the PacakgeList \r
+ //\r
+\r
+ //\r
+ // Get HiiPackage by HiiHandle\r
+ //\r
+ PackageListLength = 0;\r
+ HiiPackageList = NULL;\r
+ Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, HiiHandle, &PackageListLength, HiiPackageList);\r
+ \r
+ //\r
+ // The return status should always be EFI_BUFFER_TOO_SMALL as input buffer's size is 0.\r
+ //\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ HiiPackageList = AllocatePool (PackageListLength);\r
+ if (HiiPackageList == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Get PackageList on HiiHandle\r
+ //\r
+ Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, HiiHandle, &PackageListLength, HiiPackageList);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Parse the form package and get the default name string ID.\r
+ //\r
+ if (ActionType == ACTION_SET_DEFAUTL_VALUE) {\r
+ PackageOffset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
+ Status = EFI_NOT_FOUND;\r
+ while (PackageOffset < PackageListLength) {\r
+ CopyMem (&PacakgeHeader, (UINT8 *) HiiPackageList + PackageOffset, sizeof (PacakgeHeader));\r
+ \r
+ //\r
+ // Parse IFR opcode to get default store opcode\r
+ //\r
+ if (PacakgeHeader.Type == EFI_HII_PACKAGE_FORMS) {\r
+ IfrOffset = sizeof (PacakgeHeader);\r
+ PackageData = (UINT8 *) HiiPackageList + PackageOffset;\r
+ while (IfrOffset < PacakgeHeader.Length) {\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *) (PackageData + IfrOffset);\r
+ //\r
+ // Match DefaultId to find its DefaultName\r
+ //\r
+ if (IfrOpHdr->OpCode == EFI_IFR_DEFAULTSTORE_OP) {\r
+ if (((EFI_IFR_DEFAULTSTORE *) IfrOpHdr)->DefaultId == DefaultId) {\r
+ DefaultName = ((EFI_IFR_DEFAULTSTORE *) IfrOpHdr)->DefaultName;\r
+ Status = EFI_SUCCESS;\r
+ break;\r
+ }\r
+ }\r
+ IfrOffset += IfrOpHdr->Length;\r
+ }\r
+ //\r
+ // Only one form is in a package list.\r
+ //\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Go to next package.\r
+ //\r
+ PackageOffset += PacakgeHeader.Length; \r
+ }\r
+ \r
+ //\r
+ // Not found the matched default string ID\r
+ //\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // 3. Call ConfigRouting GetAltCfg(ConfigRoute, <ConfigResponse>, Guid, Name, DevicePath, AltCfgId, AltCfgResp)\r
+ // Get the default configuration string according to the found defaultname string ID.\r
+ //\r
+ Status = gHiiConfigRouting->GetAltConfig (\r
+ gHiiConfigRouting,\r
+ ConfigAltResp,\r
+ VarGuid,\r
+ VarName,\r
+ DevicePath,\r
+ (ActionType == ACTION_SET_DEFAUTL_VALUE) ? &DefaultName:NULL, // it can be NULL to get the current setting.\r
+ &ConfigResp\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // 4. Set the default configuration information or Validate current setting by parse IFR code.\r
+ // Current Setting is in ConfigResp, will be set into buffer, then check it again.\r
+ //\r
+ if (ActionType == ACTION_SET_DEFAUTL_VALUE) {\r
+ //\r
+ // Set the default configuration information.\r
+ //\r
+ Status = gHiiConfigRouting->RouteConfig (gHiiConfigRouting, ConfigResp, &Progress);\r
+ } else {\r
+ //\r
+ // Current Setting is in ConfigResp, will be set into buffer, then check it again.\r
+ //\r
+ Status = InternalHiiValidateCurrentSetting (ConfigResp, HiiPackageList, PackageListLength, VarGuid, VarName);\r
+ }\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Free the allocated pacakge buffer and the got ConfigResp string.\r
+ //\r
+ if (HiiPackageList != NULL) {\r
+ FreePool (HiiPackageList);\r
+ HiiPackageList = NULL;\r
+ }\r
+\r
+ FreePool (ConfigResp);\r
+ ConfigResp = NULL;\r
+\r
+NextConfigAltResp:\r
+ //\r
+ // Free the allocated buffer.\r
+ //\r
+ FreePool (VarGuid);\r
+ VarGuid = NULL;\r
+ \r
+ FreePool (VarName);\r
+ VarName = NULL;\r
+ \r
+ FreePool (DevicePath);\r
+ DevicePath = NULL;\r
+\r
+ //\r
+ // 5. Jump to next ConfigAltResp for another Guid, Name, Path.\r
+ //\r
+\r
+ //\r
+ // Get and Skip ConfigHdr\r
+ //\r
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
+ StringPtr++;\r
+ }\r
+ if (*StringPtr == L'\0') {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Construct ConfigAltHdr string "&<ConfigHdr>&ALTCFG=\0" \r
+ // | 1 | StrLen (ConfigHdr) | 8 | 1 |\r
+ //\r
+ ConfigAltHdr = AllocateZeroPool ((1 + StringPtr - StringHdr + 8 + 1) * sizeof (CHAR16));\r
+ if (ConfigAltHdr == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ StrCpy (ConfigAltHdr, L"&");\r
+ StrnCat (ConfigAltHdr, StringHdr, StringPtr - StringHdr);\r
+ StrCat (ConfigAltHdr, L"&ALTCFG=");\r
+ \r
+ //\r
+ // Skip all AltResp (AltConfigHdr ConfigBody) for the same ConfigHdr\r
+ //\r
+ while ((StringHdr = StrStr (StringPtr, ConfigAltHdr)) != NULL) {\r
+ StringPtr = StringHdr + StrLen (ConfigAltHdr);\r
+ if (*StringPtr == L'\0') {\r
+ break;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Free the allocated ConfigAltHdr string\r
+ //\r
+ FreePool (ConfigAltHdr);\r
+ if (*StringPtr == L'\0') {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Find &GUID as the next ConfigHdr\r
+ //\r
+ StringPtr = StrStr (StringPtr, L"&GUID");\r
+ if (StringPtr == NULL) {\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Skip char '&'\r
+ //\r
+ StringPtr ++;\r
+ }\r
+ \r
+Done:\r
+ if (VarGuid != NULL) {\r
+ FreePool (VarGuid);\r
+ }\r
+\r
+ if (VarName != NULL) {\r
+ FreePool (VarName);\r
+ }\r
+\r
+ if (DevicePath != NULL) {\r
+ FreePool (DevicePath);\r
+ }\r
+\r
+ if (ConfigResp != NULL) {\r
+ FreePool (ConfigResp);\r
+ }\r
+\r
+ if (ConfigAltResp != NULL) {\r
+ FreePool (ConfigAltResp);\r
+ }\r
+ \r
+ if (HiiPackageList != NULL) {\r
+ FreePool (HiiPackageList);\r
+ }\r
+ \r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Validate the current configuration by parsing HII form IFR opcode.\r
+\r
+ NULL request string support depends on the ExtractConfig interface of\r
+ HiiConfigRouting protocol in UEFI specification.\r
+ \r
+ @param Request A null-terminated Unicode string in \r
+ <MultiConfigRequest> format. It can be NULL.\r
+ If it is NULL, all current configuration for the\r
+ entirety of the current HII database will be validated.\r
+ \r
+ @retval TURE Current configuration is valid.\r
+ @retval FALSE Current configuration is invalid.\r
+**/\r
+BOOLEAN\r
+EFIAPI \r
+HiiValidateSettings (\r
+ IN CONST EFI_STRING Request OPTIONAL\r
+ )\r
+{\r
+ return InternalHiiIfrValueAction (Request, 0, ACTION_VALIDATE_SETTING);\r
+}\r
+\r
+/**\r
+ Reset the default value specified by DefaultId to the driver\r
+ configuration got by Request string. \r
+\r
+ NULL request string support depends on the ExportConfig interface of\r
+ HiiConfigRouting protocol in UEFI specification.\r
+ \r
+ @param Request A null-terminated Unicode string in \r
+ <MultiConfigRequest> format. It can be NULL.\r
+ If it is NULL, all configuration for the\r
+ entirety of the current HII database will be reset.\r
+ @param DefaultId Specifies the type of defaults to retrieve.\r
+ \r
+ @retval TURE The default value is set successfully.\r
+ @retval FALSE The default value can't be found and set.\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+HiiSetToDefaults (\r
+ IN CONST EFI_STRING Request, OPTIONAL\r
+ IN UINT16 DefaultId\r
+ )\r
+{\r
+ return InternalHiiIfrValueAction (Request, DefaultId, ACTION_SET_DEFAUTL_VALUE);\r
+}\r
+\r
/**\r
Allocates and returns a Null-terminated Unicode <ConfigAltResp> string.\r
\r
/** @file\r
Implementation of interfaces function for EFI_HII_CONFIG_ROUTING_PROTOCOL.\r
\r
-Copyright (c) 2007 - 2009, Intel Corporation\r
+Copyright (c) 2007 - 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
\r
\r
#include "HiiDatabase.h"\r
+extern HII_DATABASE_PRIVATE_DATA mPrivate;\r
\r
/**\r
Calculate the number of Unicode characters of the incoming Configuration string,\r
IN EFI_STRING String\r
)\r
{\r
- UINTN Length;\r
+ EFI_STRING TmpPtr;\r
\r
//\r
// "GUID=" should be the first element of incoming string.\r
ASSERT (String != NULL);\r
ASSERT (StrnCmp (String, L"GUID=", StrLen (L"GUID=")) == 0);\r
\r
- Length = StrLen (L"GUID=");\r
- String += Length;\r
-\r
//\r
// The beginning of next <ConfigRequest>/<ConfigResp> should be "&GUID=".\r
// Will meet '\0' if there is only one <ConfigRequest>/<ConfigResp>.\r
- //\r
- while (*String != 0 && StrnCmp (String, L"&GUID=", StrLen (L"&GUID=")) != 0) {\r
- Length++;\r
- String++;\r
+ // \r
+ TmpPtr = StrStr (String, L"&GUID=");\r
+ if (TmpPtr == NULL) {\r
+ return StrLen (String);\r
}\r
\r
- return Length;\r
+ return (TmpPtr - String);\r
}\r
\r
\r
VOID\r
EFIAPI\r
HiiToLower (\r
- IN OUT CHAR16 *Str\r
+ IN EFI_STRING ConfigString\r
)\r
{\r
- CHAR16 *Ptr;\r
- \r
- for (Ptr = Str; *Ptr != L'\0'; Ptr++) {\r
- if (*Ptr >= L'A' && *Ptr <= L'Z') {\r
- *Ptr = (CHAR16) (*Ptr - L'A' + L'a');\r
+ EFI_STRING String;\r
+ BOOLEAN Lower;\r
+\r
+ ASSERT (ConfigString != NULL);\r
+\r
+ //\r
+ // Convert all hex digits in range [A-F] in the configuration header to [a-f]\r
+ //\r
+ for (String = ConfigString, Lower = FALSE; *String != L'\0'; String++) {\r
+ if (*String == L'=') {\r
+ Lower = TRUE;\r
+ } else if (*String == L'&') {\r
+ Lower = FALSE;\r
+ } else if (Lower && *String >= L'A' && *String <= L'F') {\r
+ *String = (CHAR16) (*String - L'A' + L'a');\r
}\r
}\r
+\r
+ return;\r
}\r
\r
/**\r
\r
@param String A constant string which is the prefix of the to be\r
generated string, e.g. GUID=\r
+\r
@param BufferLen The length of the Buffer in bytes.\r
+\r
@param Buffer Points to a buffer which will be converted to be the \r
- content of the generated string.\r
- @param Flag If 1, the buffer contains data for the value of GUID or PATH stored in \r
- UINT8 *; if 2, the buffer contains unicode string for the value of NAME;\r
- if 3, the buffer contains other data.\r
+ content of the generated string.\r
+\r
+ @param Flag If 1, the buffer contains data for the value of GUID or PATH stored in \r
+ UINT8 *; if 2, the buffer contains unicode string for the value of NAME;\r
+ if 3, the buffer contains other data.\r
+\r
@param SubStr Points to the output string. It's caller's\r
responsibility to free this buffer.\r
\r
ASSERT (*SubStr != NULL);\r
return ;\r
}\r
-\r
+ \r
+ //\r
+ // Header + Data + '&' + '\0'\r
+ //\r
Length = StrLen (String) + BufferLen * 2 + 1 + 1;\r
Str = AllocateZeroPool (Length * sizeof (CHAR16));\r
ASSERT (Str != NULL);\r
// Check buffer is enough\r
//\r
TemName = (CHAR16 *) Buffer;\r
- ASSERT (Length < ((StrLen (TemName) * 4 + 1) * sizeof (CHAR16)));\r
+ ASSERT ((BufferLen * 2 + 1) >= (StrLen (TemName) * 4 + 1));\r
//\r
// Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044"\r
//\r
//\r
// Convert the uppercase to lowercase since <HexAf> is defined in lowercase format.\r
//\r
- HiiToLower (StringHeader);\r
- StrCat (Str, L"&");\r
+ StrCat (Str, L"&"); \r
+ HiiToLower (Str);\r
\r
*SubStr = Str;\r
}\r
if (String == NULL || ConfigBody == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
+ \r
+ //\r
+ // The setting information should start OFFSET, not ALTCFG.\r
+ //\r
+ if (StrnCmp (String, L"&ALTCFG=", StrLen (L"&ALTCFG=")) == 0) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
\r
TmpPtr = StrStr (String, L"GUID=");\r
if (TmpPtr == NULL) {\r
*(Result + Length - 1) = 0;\r
*ConfigBody = Result;\r
return EFI_SUCCESS;\r
-\r
}\r
\r
/**\r
if (MultiString == NULL || *MultiString == NULL || AppendString == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
-\r
- AppendStringSize = StrSize (AppendString);\r
- MultiStringSize = StrSize (*MultiString);\r
+\r
+ AppendStringSize = StrSize (AppendString);\r
+ MultiStringSize = StrSize (*MultiString);\r
+\r
+ //\r
+ // Enlarge the buffer each time when length exceeds MAX_STRING_LENGTH.\r
+ //\r
+ if (MultiStringSize + AppendStringSize > MAX_STRING_LENGTH ||\r
+ MultiStringSize > MAX_STRING_LENGTH) {\r
+ *MultiString = (EFI_STRING) ReallocatePool (\r
+ MultiStringSize,\r
+ MultiStringSize + AppendStringSize,\r
+ (VOID *) (*MultiString)\r
+ );\r
+ ASSERT (*MultiString != NULL);\r
+ }\r
+ //\r
+ // Append the incoming string\r
+ //\r
+ StrCat (*MultiString, AppendString);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET\r
+ or WIDTH or VALUE.\r
+ <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r
+\r
+ This is a internal function.\r
+\r
+ @param StringPtr String in <BlockConfig> format and points to the\r
+ first character of <Number>.\r
+ @param Number The output value. Caller takes the responsibility\r
+ to free memory.\r
+ @param Len Length of the <Number>, in characters.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r
+ structures.\r
+ @retval EFI_SUCCESS Value of <Number> is outputted in Number\r
+ successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+GetValueOfNumber (\r
+ IN EFI_STRING StringPtr,\r
+ OUT UINT8 **Number,\r
+ OUT UINTN *Len\r
+ )\r
+{\r
+ EFI_STRING TmpPtr;\r
+ UINTN Length;\r
+ EFI_STRING Str;\r
+ UINT8 *Buf;\r
+ EFI_STATUS Status;\r
+ UINT8 DigitUint8;\r
+ UINTN Index;\r
+ CHAR16 TemStr[2];\r
+\r
+ ASSERT (StringPtr != NULL && Number != NULL && Len != NULL);\r
+ ASSERT (*StringPtr != L'\0');\r
+\r
+ Buf = NULL;\r
+\r
+ TmpPtr = StringPtr;\r
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
+ StringPtr++;\r
+ }\r
+ *Len = StringPtr - TmpPtr;\r
+ Length = *Len + 1;\r
+\r
+ Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (Str == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));\r
+ *(Str + *Len) = L'\0';\r
+\r
+ Length = (Length + 1) / 2;\r
+ Buf = (UINT8 *) AllocateZeroPool (Length);\r
+ if (Buf == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ \r
+ Length = *Len;\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < Length; Index ++) {\r
+ TemStr[0] = Str[Length - Index - 1];\r
+ DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
+ if ((Index & 1) == 0) {\r
+ Buf [Index/2] = DigitUint8;\r
+ } else {\r
+ Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);\r
+ }\r
+ }\r
+\r
+ *Number = Buf;\r
+ Status = EFI_SUCCESS;\r
+\r
+Exit:\r
+ if (Str != NULL) {\r
+ FreePool (Str);\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
+\r
+ @param AltCfgResp Pointer to a null-terminated Unicode string in\r
+ <ConfigAltResp> format. The default value string \r
+ will be merged into it. \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
+\r
+ @retval EFI_SUCCESS The merged string returns.\r
+ @retval EFI_INVALID_PARAMETER *AltCfgResp is to NULL.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+MergeDefaultString (\r
+ IN OUT EFI_STRING *AltCfgResp,\r
+ IN EFI_STRING DefaultAltCfgResp\r
+ )\r
+{\r
+ EFI_STRING StringPtrDefault;\r
+ EFI_STRING StringPtrEnd;\r
+ CHAR16 TempChar;\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING AltConfigHdr;\r
+ UINTN HeaderLength;\r
+ UINTN SizeAltCfgResp;\r
+ \r
+ if (*AltCfgResp == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
+ //\r
+ // Get the requestr ConfigHdr\r
+ //\r
+ SizeAltCfgResp = 0;\r
+ StringPtr = *AltCfgResp;\r
+ \r
+ //\r
+ // Find <ConfigHdr> GUID=...&NAME=...&PATH=...\r
+ //\r
+ if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) {\r
+ StringPtr++;\r
+ }\r
+ while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) {\r
+ StringPtr++;\r
+ }\r
+ if (*StringPtr == L'\0') {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ StringPtr += StrLen (L"&PATH=");\r
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
+ StringPtr ++;\r
+ }\r
+ HeaderLength = StringPtr - *AltCfgResp;\r
+\r
+ //\r
+ // Construct AltConfigHdr string "&<ConfigHdr>&ALTCFG=XXXX\0"\r
+ // |1| StrLen (ConfigHdr) | 8 | 4 | 1 |\r
+ //\r
+ AltConfigHdr = AllocateZeroPool ((1 + HeaderLength + 8 + 4 + 1) * sizeof (CHAR16));\r
+ if (AltConfigHdr == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ StrCpy (AltConfigHdr, L"&");\r
+ StrnCat (AltConfigHdr, *AltCfgResp, HeaderLength);\r
+ StrCat (AltConfigHdr, L"&ALTCFG=");\r
+ HeaderLength = StrLen (AltConfigHdr);\r
+ \r
+ StringPtrDefault = StrStr (DefaultAltCfgResp, AltConfigHdr);\r
+ while (StringPtrDefault != NULL) {\r
+ //\r
+ // Get AltCfg Name\r
+ //\r
+ StrnCat (AltConfigHdr, StringPtrDefault + HeaderLength, 4);\r
+ StringPtr = StrStr (*AltCfgResp, AltConfigHdr); \r
+ \r
+ //\r
+ // Append the found default value string to the input AltCfgResp\r
+ // \r
+ if (StringPtr == NULL) {\r
+ StringPtrEnd = StrStr (StringPtrDefault + 1, L"&GUID");\r
+ SizeAltCfgResp = StrSize (*AltCfgResp);\r
+ if (StringPtrEnd == NULL) {\r
+ //\r
+ // No more default string is found.\r
+ //\r
+ *AltCfgResp = (EFI_STRING) ReallocatePool (\r
+ SizeAltCfgResp,\r
+ SizeAltCfgResp + StrSize (StringPtrDefault),\r
+ (VOID *) (*AltCfgResp)\r
+ );\r
+ StrCat (*AltCfgResp, StringPtrDefault);\r
+ break;\r
+ } else {\r
+ TempChar = *StringPtrEnd;\r
+ *StringPtrEnd = L'\0';\r
+ *AltCfgResp = (EFI_STRING) ReallocatePool (\r
+ SizeAltCfgResp,\r
+ SizeAltCfgResp + StrSize (StringPtrDefault),\r
+ (VOID *) (*AltCfgResp)\r
+ );\r
+ StrCat (*AltCfgResp, StringPtrDefault);\r
+ *StringPtrEnd = TempChar;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Find next AltCfg String\r
+ // \r
+ *(AltConfigHdr + HeaderLength) = L'\0';\r
+ StringPtrDefault = StrStr (StringPtrDefault + 1, AltConfigHdr); \r
+ }\r
+\r
+ return EFI_SUCCESS; \r
+}\r
+\r
+/**\r
+ This function finds the matched DefaultName for the input DefaultId\r
+\r
+ @param DefaultIdArray Array stores the map table between DefaultId and DefaultName.\r
+ @param VarDefaultId Default Id\r
+ @param VarDefaultName Default Name string ID for the input default ID.\r
+ \r
+ @retval EFI_SUCCESS The mapped default name string ID is found.\r
+ @retval EFI_NOT_FOUND The mapped default name string ID is not found.\r
+**/\r
+EFI_STATUS\r
+FindDefaultName (\r
+ IN IFR_DEFAULT_DATA *DefaultIdArray, \r
+ IN UINT16 VarDefaultId, \r
+ OUT EFI_STRING_ID *VarDefaultName\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ IFR_DEFAULT_DATA *DefaultData;\r
+\r
+ for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) {\r
+ DefaultData = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r
+ if (DefaultData->DefaultId == VarDefaultId) {\r
+ *VarDefaultName = DefaultData->DefaultName;\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ \r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+/**\r
+ This function inserts new DefaultValueData into the BlockData DefaultValue array.\r
+\r
+ @param BlockData The BlockData is updated to add new default value.\r
+ @param DefaultValueData The DefaultValue is added.\r
+\r
+**/\r
+VOID\r
+InsertDefaultValue (\r
+ IN IFR_BLOCK_DATA *BlockData,\r
+ IN IFR_DEFAULT_DATA *DefaultValueData\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ IFR_DEFAULT_DATA *DefaultValueArray;\r
+\r
+ for (Link = BlockData->DefaultValueEntry.ForwardLink; Link != &BlockData->DefaultValueEntry; Link = Link->ForwardLink) {\r
+ DefaultValueArray = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r
+ if (DefaultValueArray->DefaultId == DefaultValueData->DefaultId) {\r
+ //\r
+ // Update the default value array in BlockData.\r
+ //\r
+ DefaultValueArray->Value = DefaultValueData->Value;\r
+ FreePool (DefaultValueData);\r
+ return;\r
+ } else if (DefaultValueArray->DefaultId > DefaultValueData->DefaultId) {\r
+ //\r
+ // Insert new default value data in the front of this default value array.\r
+ //\r
+ InsertTailList (Link, &DefaultValueData->Entry);\r
+ return;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Insert new default value data in tail.\r
+ //\r
+ InsertTailList (Link, &DefaultValueData->Entry);\r
+ return;\r
+}\r
+\r
+/**\r
+ This function inserts new BlockData into the block link\r
+\r
+ @param BlockLink The list entry points to block array.\r
+ @param BlockData The point to BlockData is added.\r
+ \r
+**/\r
+VOID\r
+InsertBlockData (\r
+ IN LIST_ENTRY *BlockLink,\r
+ IN IFR_BLOCK_DATA **BlockData\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ IFR_BLOCK_DATA *BlockArray;\r
+ IFR_BLOCK_DATA *BlockSingleData;\r
+\r
+ BlockSingleData = *BlockData;\r
+ \r
+ //\r
+ // Insert block data in its Offset and Width order.\r
+ //\r
+ for (Link = BlockLink->ForwardLink; Link != BlockLink; Link = Link->ForwardLink) {\r
+ BlockArray = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ if (BlockArray->Offset == BlockSingleData->Offset) {\r
+ if (BlockArray->Width > BlockSingleData->Width) {\r
+ //\r
+ // Insert this block data in the front of block array\r
+ //\r
+ InsertTailList (Link, &BlockSingleData->Entry);\r
+ return;\r
+ }\r
+\r
+ if (BlockArray->Width == BlockSingleData->Width) {\r
+ //\r
+ // The same block array has been added.\r
+ //\r
+ FreePool (BlockSingleData);\r
+ *BlockData = BlockArray;\r
+ return;\r
+ }\r
+ } else if (BlockArray->Offset > BlockSingleData->Offset) {\r
+ //\r
+ // Insert new block data in the front of block array \r
+ //\r
+ InsertTailList (Link, &BlockSingleData->Entry);\r
+ return;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Add new block data into the tail.\r
+ //\r
+ InsertTailList (Link, &BlockSingleData->Entry);\r
+ return; \r
+}\r
+\r
+/**\r
+ This function checks VarOffset and VarWidth is in the block range.\r
+\r
+ @param BlockArray The block array is to be checked. \r
+ @param VarOffset Offset of var to the structure\r
+ @param VarWidth Width of var.\r
+ \r
+ @retval TRUE This Var is in the block range.\r
+ @retval FALSE This Var is not in the block range.\r
+**/\r
+BOOLEAN\r
+BlockArrayCheck (\r
+ IN IFR_BLOCK_DATA *RequestBlockArray,\r
+ IN UINT16 VarOffset,\r
+ IN UINT16 VarWidth\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ IFR_BLOCK_DATA *BlockData;\r
+ \r
+ //\r
+ // No Request Block array, all vars are got.\r
+ //\r
+ if (RequestBlockArray == NULL) {\r
+ return TRUE;\r
+ }\r
+ \r
+ //\r
+ // Check the input var is in the request block range.\r
+ //\r
+ for (Link = RequestBlockArray->Entry.ForwardLink; Link != &RequestBlockArray->Entry; Link = Link->ForwardLink) {\r
+ BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ if ((VarOffset >= BlockData->Offset) && ((VarOffset + VarWidth) <= (BlockData->Offset + BlockData->Width))) {\r
+ return TRUE;\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+/**\r
+ This function parses Form Package to get the block array and the default\r
+ value array according to the request ConfigHdr.\r
+\r
+ @param Package Pointer to the form package data.\r
+ @param PackageLength Length of the pacakge.\r
+ @param ConfigHdr Request string ConfigHdr. If it is NULL,\r
+ the first found varstore will be as ConfigHdr.\r
+ @param RequestBlockArray The block array is retrieved from the request string.\r
+ @param VarStorageData VarStorage structure contains the got block and default value.\r
+ @param PIfrDefaultIdArray Point to the got default id and default name array.\r
+\r
+ @retval EFI_SUCCESS The block array and the default value array are got.\r
+ @retval EFI_INVALID_PARAMETER The varstore defintion in the differnt form pacakges\r
+ are conflicted. \r
+ @retval EFI_OUT_OF_RESOURCES No enough memory.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ParseIfrData (\r
+ IN UINT8 *Package,\r
+ IN UINT32 PackageLenth,\r
+ IN EFI_STRING ConfigHdr,\r
+ IN IFR_BLOCK_DATA *RequestBlockArray,\r
+ IN OUT IFR_VARSTORAGE_DATA *VarStorageData,\r
+ OUT IFR_DEFAULT_DATA **PIfrDefaultIdArray\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN IfrOffset;\r
+ EFI_IFR_VARSTORE *IfrVarStore;\r
+ EFI_IFR_OP_HEADER *IfrOpHdr;\r
+ EFI_IFR_ONE_OF *IfrOneOf;\r
+ EFI_IFR_ONE_OF_OPTION *IfrOneOfOption;\r
+ EFI_IFR_DEFAULT *IfrDefault;\r
+ EFI_IFR_ORDERED_LIST *IfrOrderedList;\r
+ EFI_IFR_CHECKBOX *IfrCheckBox;\r
+ EFI_IFR_PASSWORD *IfrPassword;\r
+ EFI_IFR_STRING *IfrString;\r
+ IFR_DEFAULT_DATA *DefaultIdArray;\r
+ IFR_DEFAULT_DATA *DefaultData;\r
+ IFR_BLOCK_DATA *BlockData;\r
+ CHAR16 *VarStoreName;\r
+ UINT16 VarOffset;\r
+ UINT16 VarWidth;\r
+ EFI_STRING_ID VarDefaultName;\r
+ UINT16 VarDefaultId;\r
+ EFI_STRING GuidStr;\r
+ EFI_STRING NameStr;\r
+ EFI_STRING TempStr;\r
+ UINTN LengthString;\r
+\r
+ //\r
+ // Initialize DefaultIdArray to store the map between DeaultId and DefaultName\r
+ //\r
+ LengthString = 0;\r
+ Status = EFI_SUCCESS;\r
+ GuidStr = NULL;\r
+ NameStr = NULL;\r
+ TempStr = NULL;\r
+ BlockData = NULL;\r
+ DefaultData = NULL;\r
+ DefaultIdArray = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultIdArray == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ InitializeListHead (&DefaultIdArray->Entry);\r
+\r
+ //\r
+ // Go through the form package to parse OpCode one by one.\r
+ //\r
+ IfrOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r
+ while (IfrOffset < PackageLenth) {\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *) (Package + IfrOffset);\r
+\r
+ switch (IfrOpHdr->OpCode) {\r
+ case EFI_IFR_VARSTORE_OP:\r
+ //\r
+ // VarStore is found. Don't need to search any more.\r
+ //\r
+ if (VarStorageData->Size != 0) {\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Get the requied varstore information\r
+ // Add varstore by Guid and Name in ConfigHdr\r
+ // Make sure Offset is in varstore size and varstoreid\r
+ //\r
+ IfrVarStore = (EFI_IFR_VARSTORE *) IfrOpHdr;\r
+ VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrVarStore->Name) * sizeof (CHAR16));\r
+ if (VarStoreName == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ AsciiStrToUnicodeStr ((CHAR8 *) IfrVarStore->Name, VarStoreName);\r
+\r
+ GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) &IfrVarStore->Guid, 1, &GuidStr);\r
+ GenerateSubStr (L"NAME=", StrLen (VarStoreName) * sizeof (CHAR16), (VOID *) VarStoreName, 2, &NameStr);\r
+ LengthString = StrLen (GuidStr);\r
+ LengthString = LengthString + StrLen (NameStr) + 1;\r
+ TempStr = AllocateZeroPool (LengthString * sizeof (CHAR16));\r
+ if (TempStr == NULL) {\r
+ FreePool (GuidStr);\r
+ FreePool (NameStr);\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ StrCpy (TempStr, GuidStr);\r
+ StrCat (TempStr, NameStr);\r
+ if (ConfigHdr == NULL || StrnCmp (ConfigHdr, TempStr, StrLen (TempStr)) == 0) {\r
+ //\r
+ // Find the matched VarStore\r
+ //\r
+ CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrVarStore->Guid);\r
+ VarStorageData->VarStoreId = IfrVarStore->VarStoreId;\r
+ VarStorageData->Size = IfrVarStore->Size;\r
+ VarStorageData->Name = VarStoreName;\r
+ } else {\r
+ //\r
+ // No found, free the allocated memory \r
+ //\r
+ FreePool (VarStoreName);\r
+ }\r
+ //\r
+ // Free alllocated temp string.\r
+ //\r
+ FreePool (TempStr);\r
+ FreePool (GuidStr);\r
+ FreePool (NameStr);\r
+ break;\r
+\r
+ case EFI_IFR_DEFAULTSTORE_OP:\r
+ //\r
+ // Add new the map between default id and default name.\r
+ //\r
+ DefaultData = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ DefaultData->DefaultId = ((EFI_IFR_DEFAULTSTORE *) IfrOpHdr)->DefaultId;\r
+ DefaultData->DefaultName = ((EFI_IFR_DEFAULTSTORE *) IfrOpHdr)->DefaultName;\r
+ InsertTailList (&DefaultIdArray->Entry, &DefaultData->Entry);\r
+ DefaultData = NULL;\r
+ break;\r
+\r
+ case EFI_IFR_FORM_OP:\r
+ //\r
+ // No matched varstore is found and directly return.\r
+ //\r
+ if (VarStorageData->Size == 0) {\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OF_OP:\r
+ case EFI_IFR_NUMERIC_OP:\r
+ //\r
+ // Numeric and OneOf has the same opcode structure.\r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrOneOf = (EFI_IFR_ONE_OF *) IfrOpHdr;\r
+ if (IfrOneOf->Question.VarStoreId != VarStorageData->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset/Width by Question header and OneOf Flags\r
+ //\r
+ VarOffset = IfrOneOf->Question.VarStoreInfo.VarOffset;\r
+ VarWidth = (UINT16) (1 << (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE));\r
+ //\r
+ // Check whether this question is in requested block array.\r
+ //\r
+ if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth)) {\r
+ //\r
+ // This question is not in the requested string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((VarOffset + VarWidth) > VarStorageData->Size) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Set Block Data\r
+ //\r
+ BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (BlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ BlockData->Offset = VarOffset;\r
+ BlockData->Width = VarWidth;\r
+ BlockData->QuestionId = IfrOneOf->Question.QuestionId;\r
+ BlockData->OpCode = IfrOpHdr->OpCode;\r
+ BlockData->Scope = IfrOpHdr->Scope;\r
+ InitializeListHead (&BlockData->DefaultValueEntry);\r
+ //\r
+ // Add Block Data into VarStorageData BlockEntry\r
+ //\r
+ InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r
+ break;\r
+\r
+ case EFI_IFR_ORDERED_LIST_OP:\r
+ //\r
+ // offset by question header\r
+ // width by EFI_IFR_ORDERED_LIST MaxContainers * OneofOption Type\r
+ // no default value and default id, how to define its default value?\r
+ //\r
+ \r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrOrderedList = (EFI_IFR_ORDERED_LIST *) IfrOpHdr;\r
+ if (IfrOrderedList->Question.VarStoreId != VarStorageData->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset/Width by Question header and OneOf Flags\r
+ //\r
+ VarOffset = IfrOrderedList->Question.VarStoreInfo.VarOffset;\r
+ VarWidth = IfrOrderedList->MaxContainers;\r
+\r
+ //\r
+ // Check whether this question is in requested block array.\r
+ //\r
+ if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth)) {\r
+ //\r
+ // This question is not in the requested string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((VarOffset + VarWidth) > VarStorageData->Size) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Set Block Data\r
+ //\r
+ BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (BlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ BlockData->Offset = VarOffset;\r
+ BlockData->Width = VarWidth;\r
+ BlockData->QuestionId = IfrOrderedList->Question.QuestionId;\r
+ BlockData->OpCode = IfrOpHdr->OpCode;\r
+ BlockData->Scope = IfrOpHdr->Scope;\r
+ InitializeListHead (&BlockData->DefaultValueEntry);\r
+ \r
+ //\r
+ // Add Block Data into VarStorageData BlockEntry\r
+ //\r
+ InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r
+ break;\r
+\r
+ case EFI_IFR_CHECKBOX_OP:\r
+ //\r
+ // EFI_IFR_DEFAULT_OP\r
+ // offset by question header\r
+ // width is 1 sizeof (BOOLEAN)\r
+ // default id by CheckBox Flags if CheckBox flags (Default or Mau) is set, the default value is 1 to be set.\r
+ // value by DefaultOption\r
+ // default id by DeaultOption DefaultId can override CheckBox Flags and Default value.\r
+ // \r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpHdr;\r
+ if (IfrCheckBox->Question.VarStoreId != VarStorageData->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset/Width by Question header and OneOf Flags\r
+ //\r
+ VarOffset = IfrCheckBox->Question.VarStoreInfo.VarOffset;\r
+ VarWidth = sizeof (BOOLEAN);\r
+\r
+ //\r
+ // Check whether this question is in requested block array.\r
+ //\r
+ if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth)) {\r
+ //\r
+ // This question is not in the requested string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((VarOffset + VarWidth) > VarStorageData->Size) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Set Block Data\r
+ //\r
+ BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (BlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ BlockData->Offset = VarOffset;\r
+ BlockData->Width = VarWidth;\r
+ BlockData->QuestionId = IfrCheckBox->Question.QuestionId;\r
+ BlockData->OpCode = IfrOpHdr->OpCode;\r
+ BlockData->Scope = IfrOpHdr->Scope;\r
+ InitializeListHead (&BlockData->DefaultValueEntry);\r
+ //\r
+ // Add Block Data into VarStorageData BlockEntry\r
+ //\r
+ InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r
+ \r
+ //\r
+ // Add default value by CheckBox Flags \r
+ //\r
+ if ((IfrCheckBox->Flags & EFI_IFR_CHECKBOX_DEFAULT) == EFI_IFR_CHECKBOX_DEFAULT) {\r
+ //\r
+ // Set standard ID to Manufacture ID and Get DefaultName String ID\r
+ //\r
+ VarDefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r
+ Status = FindDefaultName (DefaultIdArray, VarDefaultId, &VarDefaultName);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Prepare new DefaultValue\r
+ //\r
+ DefaultData = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ DefaultData->DefaultId = VarDefaultId;\r
+ DefaultData->DefaultName = VarDefaultName;\r
+ DefaultData->Value = 1;\r
+ //\r
+ // Add DefaultValue into current BlockData\r
+ //\r
+ InsertDefaultValue (BlockData, DefaultData);\r
+ }\r
+\r
+ if ((IfrCheckBox->Flags & EFI_IFR_CHECKBOX_DEFAULT_MFG) == EFI_IFR_CHECKBOX_DEFAULT_MFG) {\r
+ //\r
+ // Set standard ID to Manufacture ID and Get DefaultName String ID\r
+ //\r
+ VarDefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;\r
+ Status = FindDefaultName (DefaultIdArray, VarDefaultId, &VarDefaultName);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Prepare new DefaultValue\r
+ //\r
+ DefaultData = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ DefaultData->DefaultId = VarDefaultId;\r
+ DefaultData->DefaultName = VarDefaultName;\r
+ DefaultData->Value = 1;\r
+ //\r
+ // Add DefaultValue into current BlockData\r
+ //\r
+ InsertDefaultValue (BlockData, DefaultData);\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_STRING_OP:\r
+ //\r
+ // offset by question header\r
+ // width MaxSize * sizeof (CHAR16)\r
+ // no default value, only block array\r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrString = (EFI_IFR_STRING *) IfrOpHdr;\r
+ if (IfrString->Question.VarStoreId != VarStorageData->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset/Width by Question header and OneOf Flags\r
+ //\r
+ VarOffset = IfrString->Question.VarStoreInfo.VarOffset;\r
+ VarWidth = (UINT16) (IfrString->MaxSize * sizeof (UINT16));\r
+\r
+ //\r
+ // Check whether this question is in requested block array.\r
+ //\r
+ if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth)) {\r
+ //\r
+ // This question is not in the requested string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((VarOffset + VarWidth) > VarStorageData->Size) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Set Block Data\r
+ //\r
+ BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (BlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ BlockData->Offset = VarOffset;\r
+ BlockData->Width = VarWidth;\r
+ BlockData->QuestionId = IfrString->Question.QuestionId;\r
+ BlockData->OpCode = IfrOpHdr->OpCode;\r
+ InitializeListHead (&BlockData->DefaultValueEntry);\r
+ \r
+ //\r
+ // Add Block Data into VarStorageData BlockEntry\r
+ //\r
+ InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r
+ \r
+ //\r
+ // No default value for string.\r
+ //\r
+ BlockData = NULL;\r
+ break;\r
+\r
+ case EFI_IFR_PASSWORD_OP:\r
+ //\r
+ // offset by question header\r
+ // width MaxSize * sizeof (CHAR16)\r
+ // no default value, only block array\r
+ //\r
+\r
+ //\r
+ // Check whether this question is for the requested varstore.\r
+ //\r
+ IfrPassword = (EFI_IFR_PASSWORD *) IfrOpHdr;\r
+ if (IfrPassword->Question.VarStoreId != VarStorageData->VarStoreId) {\r
+ break;\r
+ }\r
+ \r
+ //\r
+ // Get Offset/Width by Question header and OneOf Flags\r
+ //\r
+ VarOffset = IfrPassword->Question.VarStoreInfo.VarOffset;\r
+ VarWidth = (UINT16) (IfrPassword->MaxSize * sizeof (UINT16));\r
+\r
+ //\r
+ // Check whether this question is in requested block array.\r
+ //\r
+ if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth)) {\r
+ //\r
+ // This question is not in the requested string. Skip it.\r
+ //\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Check this var question is in the var storage \r
+ //\r
+ if ((VarOffset + VarWidth) > VarStorageData->Size) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Set Block Data\r
+ //\r
+ BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (BlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ BlockData->Offset = VarOffset;\r
+ BlockData->Width = VarWidth;\r
+ BlockData->QuestionId = IfrPassword->Question.QuestionId;\r
+ BlockData->OpCode = IfrOpHdr->OpCode;\r
+ InitializeListHead (&BlockData->DefaultValueEntry);\r
+ \r
+ //\r
+ // Add Block Data into VarStorageData BlockEntry\r
+ //\r
+ InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r
+ \r
+ //\r
+ // No default value for string.\r
+ //\r
+ BlockData = NULL;\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OF_OPTION_OP:\r
+ //\r
+ // No matched block data is ignored.\r
+ //\r
+ if (BlockData == NULL || BlockData->Scope == 0) {\r
+ break;\r
+ }\r
+ \r
+ IfrOneOfOption = (EFI_IFR_ONE_OF_OPTION *) IfrOpHdr;\r
+ if (BlockData->OpCode == EFI_IFR_ORDERED_LIST_OP) {\r
+ //\r
+ // Get ordered list option data type.\r
+ //\r
+ if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_8 || IfrOneOfOption->Type == EFI_IFR_TYPE_BOOLEAN) {\r
+ VarWidth = 1;\r
+ } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_16) {\r
+ VarWidth = 2;\r
+ } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_32) {\r
+ VarWidth = 4;\r
+ } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_64) {\r
+ VarWidth = 8;\r
+ } else {\r
+ //\r
+ // Invalid ordered list option data type.\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ //\r
+ // Calculate Ordered list QuestionId width.\r
+ //\r
+ BlockData->Width = (UINT16) (BlockData->Width * VarWidth);\r
+ BlockData = NULL;\r
+ break;\r
+ }\r
+\r
+ if ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT) == EFI_IFR_OPTION_DEFAULT) {\r
+ //\r
+ // Set standard ID to Manufacture ID and Get DefaultName String ID\r
+ //\r
+ VarDefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r
+ Status = FindDefaultName (DefaultIdArray, VarDefaultId, &VarDefaultName);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Prepare new DefaultValue\r
+ //\r
+ DefaultData = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ DefaultData->DefaultId = VarDefaultId;\r
+ DefaultData->DefaultName = VarDefaultName;\r
+ DefaultData->Value = IfrOneOfOption->Value.u64;\r
+ //\r
+ // Add DefaultValue into current BlockData\r
+ //\r
+ InsertDefaultValue (BlockData, DefaultData);\r
+ }\r
+\r
+ if ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT_MFG) == EFI_IFR_OPTION_DEFAULT_MFG) {\r
+ //\r
+ // Set default ID to Manufacture ID and Get DefaultName String ID\r
+ //\r
+ VarDefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;\r
+ Status = FindDefaultName (DefaultIdArray, VarDefaultId, &VarDefaultName);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Prepare new DefaultValue\r
+ //\r
+ DefaultData = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ DefaultData->DefaultId = VarDefaultId;\r
+ DefaultData->DefaultName = VarDefaultName;\r
+ DefaultData->Value = IfrOneOfOption->Value.u64;\r
+ //\r
+ // Add DefaultValue into current BlockData\r
+ //\r
+ InsertDefaultValue (BlockData, DefaultData);\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_DEFAULT_OP:\r
+ //\r
+ // Update Current BlockData to the default value.\r
+ //\r
+ if (BlockData == NULL || BlockData->Scope == 0) {\r
+ //\r
+ // No matched block data is ignored. \r
+ //\r
+ break;\r
+ }\r
+\r
+ if (BlockData->OpCode == EFI_IFR_ORDERED_LIST_OP) {\r
+ //\r
+ // OrderedList Opcode is no default value.\r
+ //\r
+ break;\r
+ }\r
+ //\r
+ // Get the DefaultId and DefaultName String ID\r
+ //\r
+ IfrDefault = (EFI_IFR_DEFAULT *) IfrOpHdr;\r
+ VarDefaultId = IfrDefault->DefaultId;\r
+ Status = FindDefaultName (DefaultIdArray, VarDefaultId, &VarDefaultName);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Prepare new DefaultValue\r
+ //\r
+ DefaultData = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r
+ if (DefaultData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ DefaultData->DefaultId = VarDefaultId;\r
+ DefaultData->DefaultName = VarDefaultName;\r
+ DefaultData->Value = IfrDefault->Value.u64;\r
+ //\r
+ // Add DefaultValue into current BlockData\r
+ //\r
+ InsertDefaultValue (BlockData, DefaultData);\r
+ break;\r
+ case EFI_IFR_END_OP:\r
+ //\r
+ // End Opcode is for Var.\r
+ //\r
+ if (BlockData != NULL && BlockData->Scope > 0) {\r
+ BlockData->Scope--;\r
+ }\r
+ break;\r
+ default:\r
+ if (BlockData != NULL && BlockData->Scope > 0) {\r
+ BlockData->Scope = (UINT8) (BlockData->Scope + IfrOpHdr->Scope);\r
+ }\r
+ break;\r
+ }\r
+\r
+ IfrOffset += IfrOpHdr->Length;\r
+ }\r
+\r
+Done:\r
+ //\r
+ // Set the defualt ID array.\r
+ //\r
+ *PIfrDefaultIdArray = DefaultIdArray;\r
+\r
+ return Status; \r
+}\r
+\r
+/**\r
+ This function gets the full request string and full default value string by \r
+ parsing IFR data in HII form packages. \r
+ \r
+ When Request points to NULL string, the request string and default value string \r
+ for each varstore in form package will return. \r
+\r
+ @param HiiHandle Hii Handle which Hii Packages are registered.\r
+ @param DevicePath Device Path which Hii Config Access Protocol is registered.\r
+ @param Request Pointer to a null-terminated Unicode string in\r
+ <ConfigRequest> format. When it doesn't contain\r
+ any RequestElement, it will be updated to return \r
+ the full RequestElement retrieved from IFR data.\r
+ If it points to NULL, the request string for the first\r
+ varstore in form package will be merged into a\r
+ <MultiConfigRequest> format string and return. \r
+ @param AltCfgResp Pointer to a null-terminated Unicode string in\r
+ <ConfigAltResp> format. When the pointer is to NULL,\r
+ the full default value string retrieved from IFR data\r
+ will return. When the pinter is to a string, the\r
+ full default value string retrieved from IFR data\r
+ will be merged into the input string and return.\r
+ When Request points to NULL, the default value string \r
+ for each varstore in form package will be merged into \r
+ a <MultiConfigAltResp> format string and return.\r
+ @retval EFI_SUCCESS The Results string is set to the full request string.\r
+ And AltCfgResp contains all default value string.\r
+ @retval EFI_OUT_OF_RESOURCES Not enough memory for the return string.\r
+ @retval EFI_NOT_FOUND The varstore (Guid and Name) in Request string \r
+ can't be found in Form package.\r
+ @retval EFI_NOT_FOUND HiiPackage can't be got on the input HiiHandle.\r
+ @retval EFI_INVALID_PARAMETER *Request points to NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetFullStringFromHiiFormPackages (\r
+ IN EFI_HII_HANDLE HiiHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
+ IN OUT EFI_STRING *Request,\r
+ IN OUT EFI_STRING *AltCfgResp\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;\r
+ UINT32 PackageListLength; \r
+ UINTN BufferSize;\r
+ IFR_BLOCK_DATA *RequestBlockArray;\r
+ IFR_BLOCK_DATA *BlockData;\r
+ IFR_BLOCK_DATA *NextBlockData;\r
+ IFR_DEFAULT_DATA *DefaultValueData;\r
+ IFR_DEFAULT_DATA *DefaultId;\r
+ IFR_DEFAULT_DATA *DefaultIdArray;\r
+ EFI_HII_PACKAGE_HEADER PacakgeHeader;\r
+ UINT32 PackageOffset;\r
+ IFR_VARSTORAGE_DATA *VarStorageData;\r
+ EFI_STRING DefaultAltCfgResp;\r
+ EFI_STRING FullConfigRequest;\r
+ EFI_STRING ConfigHdr;\r
+ EFI_STRING GuidStr;\r
+ EFI_STRING NameStr;\r
+ EFI_STRING PathStr;\r
+ EFI_STRING StringPtr;\r
+ UINTN Length;\r
+ UINT8 *TmpBuffer;\r
+ UINT16 Offset;\r
+ UINT16 Width;\r
+ LIST_ENTRY *Link;\r
+ LIST_ENTRY *LinkData;\r
+ LIST_ENTRY *LinkDefault;\r
+\r
+ //\r
+ // Initialize the local variables.\r
+ //\r
+ RequestBlockArray = NULL;\r
+ VarStorageData = NULL;\r
+ DefaultAltCfgResp = NULL;\r
+ FullConfigRequest = NULL;\r
+ ConfigHdr = NULL;\r
+ DefaultIdArray = NULL;\r
+ GuidStr = NULL;\r
+ NameStr = NULL;\r
+ PathStr = NULL;\r
+\r
+ //\r
+ // 1. Get HiiPackage by HiiHandle\r
+ //\r
+ BufferSize = 0;\r
+ HiiPackageList = NULL;\r
+ Status = HiiExportPackageLists (&mPrivate.HiiDatabase, HiiHandle, &BufferSize, HiiPackageList);\r
+\r
+ //\r
+ // The return status should always be EFI_BUFFER_TOO_SMALL as input buffer's size is 0.\r
+ //\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ return Status;\r
+ }\r
+\r
+ HiiPackageList = AllocatePool (BufferSize);\r
+ if (HiiPackageList == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ //\r
+ // Get PackageList on HiiHandle\r
+ //\r
+ Status = HiiExportPackageLists (&mPrivate.HiiDatabase, HiiHandle, &BufferSize, HiiPackageList);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // 2. Parse FormPackage to get BlockArray and DefaultId Array for the request BlockArray.\r
+ // 1) Request is NULL.\r
+ // 2) Request is not NULL. And it doesn't contain any BlockArray.\r
+ // 3) Request is not NULL. And it containts BlockArray.\r
+ //\r
+\r
+ //\r
+ // Initialize VarStorageData to store the var store Block and Default value information.\r
+ //\r
+ VarStorageData = (IFR_VARSTORAGE_DATA *) AllocateZeroPool (sizeof (IFR_VARSTORAGE_DATA));\r
+ if (VarStorageData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+\r
+ InitializeListHead (&VarStorageData->Entry);\r
+ InitializeListHead (&VarStorageData->BlockEntry);\r
+\r
+ //\r
+ // Gte the request block array by Request String \r
+ //\r
+ StringPtr = NULL;\r
+ if (*Request != NULL) {\r
+ StringPtr = StrStr (*Request, L"&OFFSET=");\r
+ }\r
+ if (StringPtr != NULL) {\r
+ //\r
+ // Init RequestBlockArray\r
+ //\r
+ RequestBlockArray = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (RequestBlockArray == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ InitializeListHead (&RequestBlockArray->Entry);\r
+\r
+ //\r
+ // Get the request Block array from the request string\r
+ // Offset and Width\r
+ //\r
+\r
+ //\r
+ // Parse each <RequestElement> if exists\r
+ // Only <BlockName> format is supported by this help function.\r
+ // <BlockName> ::= &'OFFSET='<Number>&'WIDTH='<Number>\r
+ //\r
+ while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) {\r
+ //\r
+ // Skip the OFFSET string\r
+ // \r
+ StringPtr += StrLen (L"&OFFSET=");\r
+ //\r
+ // Get Offset\r
+ //\r
+ Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ Offset = 0;\r
+ CopyMem (\r
+ &Offset,\r
+ TmpBuffer,\r
+ (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16)\r
+ );\r
+ FreePool (TmpBuffer);\r
+ \r
+ StringPtr += Length;\r
+ if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ StringPtr += StrLen (L"&WIDTH=");\r
+ \r
+ //\r
+ // Get Width\r
+ //\r
+ Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ Width = 0;\r
+ CopyMem (\r
+ &Width,\r
+ TmpBuffer,\r
+ (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16)\r
+ );\r
+ FreePool (TmpBuffer);\r
+\r
+ StringPtr += Length;\r
+ if (*StringPtr != 0 && *StringPtr != L'&') {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+ \r
+ //\r
+ // Set Block Data\r
+ //\r
+ BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r
+ if (BlockData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ BlockData->Offset = Offset;\r
+ BlockData->Width = Width;\r
+ InsertBlockData (&RequestBlockArray->Entry, &BlockData);\r
+\r
+ //\r
+ // If '\0', parsing is finished. \r
+ //\r
+ if (*StringPtr == 0) {\r
+ break;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Merge the requested block data.\r
+ //\r
+ Link = RequestBlockArray->Entry.ForwardLink;\r
+ while ((Link != &RequestBlockArray->Entry) && (Link->ForwardLink != &RequestBlockArray->Entry)) {\r
+ BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ NextBlockData = BASE_CR (Link->ForwardLink, IFR_BLOCK_DATA, Entry);\r
+ if ((NextBlockData->Offset >= BlockData->Offset) && (NextBlockData->Offset <= (BlockData->Offset + BlockData->Width))) {\r
+ if ((NextBlockData->Offset + NextBlockData->Width) > (BlockData->Offset + BlockData->Width)) {\r
+ BlockData->Width = (UINT16) (NextBlockData->Offset + NextBlockData->Width - BlockData->Offset);\r
+ }\r
+ RemoveEntryList (Link->ForwardLink);\r
+ FreePool (NextBlockData);\r
+ continue;\r
+ }\r
+ Link = Link->ForwardLink; \r
+ }\r
+ }\r
+ \r
+ //\r
+ // Get the form package\r
+ //\r
+ PackageOffset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
+ PackageListLength = ReadUnaligned32 (&HiiPackageList->PackageLength);\r
+ while (PackageOffset < PackageListLength) {\r
+ CopyMem (&PacakgeHeader, (UINT8 *) HiiPackageList + PackageOffset, sizeof (PacakgeHeader));\r
+\r
+ if (PacakgeHeader.Type == EFI_HII_PACKAGE_FORMS) {\r
+ //\r
+ // Reset VarStorageData\r
+ //\r
+ VarStorageData->Size = 0;\r
+ VarStorageData->VarStoreId = 0;\r
+ if (VarStorageData->Name != NULL) {\r
+ FreePool (VarStorageData->Name);\r
+ VarStorageData->Name = NULL;\r
+ }\r
+\r
+ //\r
+ // Parse the opcode in form package \r
+ //\r
+ Status = ParseIfrData ((UINT8 *) HiiPackageList + PackageOffset, PacakgeHeader.Length, *Request, RequestBlockArray, VarStorageData, &DefaultIdArray);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Only one form is in a pacakge list.\r
+ //\r
+ break;\r
+ }\r
+\r
+ PackageOffset += PacakgeHeader.Length;\r
+ }\r
+\r
+ //\r
+ // 3. Construct Request Element (Block Name) for 2.1 and 2.2 case.\r
+ //\r
+\r
+ //\r
+ // Construct <ConfigHdr> : "GUID=...&NAME=...&PATH=..." by VarStorageData Guid, Name and DriverHandle\r
+ //\r
+ GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) &VarStorageData->Guid, 1, &GuidStr);\r
+ GenerateSubStr (L"NAME=", StrLen (VarStorageData->Name) * sizeof (CHAR16), (VOID *) VarStorageData->Name, 2, &NameStr);\r
+ GenerateSubStr (\r
+ L"PATH=",\r
+ GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) DevicePath),\r
+ (VOID *) DevicePath,\r
+ 1,\r
+ &PathStr\r
+ );\r
+ Length = StrLen (GuidStr);\r
+ Length = Length + StrLen (NameStr);\r
+ Length = Length + StrLen (PathStr) + 1;\r
+ ConfigHdr = AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (ConfigHdr == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done; \r
+ }\r
+ StrCpy (ConfigHdr, GuidStr);\r
+ StrCat (ConfigHdr, NameStr);\r
+ StrCat (ConfigHdr, PathStr);\r
+\r
+ //\r
+ // Remove the last character L'&'\r
+ //\r
+ *(ConfigHdr + StrLen (ConfigHdr) - 1) = L'\0';\r
+\r
+ if (RequestBlockArray == NULL) {\r
+ //\r
+ // Append VarStorageData BlockEntry into *Request string\r
+ // Now support only one varstore in a form package.\r
+ //\r
+\r
+ //\r
+ // Go through all VarStorageData Entry and get BlockEntry for each one for the multiple varstore in a single form package\r
+ // Then construct them all to return MultiRequest string : ConfigHdr BlockConfig\r
+ //\r
+\r
+ //\r
+ // Compute the length of the entire request starting with <ConfigHdr> and a \r
+ // Null-terminator\r
+ //\r
+ Length = StrLen (ConfigHdr) + 1;\r
+\r
+ for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) {\r
+ //\r
+ // Add <BlockName> length for each Offset/Width pair\r
+ //\r
+ // <BlockName> ::= &OFFSET=1234&WIDTH=1234\r
+ // | 8 | 4 | 7 | 4 |\r
+ //\r
+ Length = Length + (8 + 4 + 7 + 4);\r
+ }\r
+ \r
+ //\r
+ // Allocate buffer for the entire <ConfigRequest>\r
+ //\r
+ FullConfigRequest = AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (FullConfigRequest == NULL) {\r
+ goto Done;\r
+ }\r
+ StringPtr = FullConfigRequest;\r
+ \r
+ //\r
+ // Start with <ConfigHdr>\r
+ //\r
+ StrCpy (StringPtr, ConfigHdr);\r
+ StringPtr += StrLen (StringPtr);\r
+\r
+ //\r
+ // Loop through all the Offset/Width pairs and append them to ConfigRequest\r
+ //\r
+ for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) {\r
+ BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r
+ //\r
+ // Append &OFFSET=XXXX&WIDTH=YYYY\0\r
+ //\r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (8 + 4 + 7 + 4 + 1) * sizeof (CHAR16), \r
+ L"&OFFSET=%04X&WIDTH=%04X", \r
+ BlockData->Offset, \r
+ BlockData->Width\r
+ );\r
+ StringPtr += StrLen (StringPtr);\r
+ }\r
+ //\r
+ // Set to the got full request string.\r
+ //\r
+ HiiToLower (FullConfigRequest);\r
+ if (*Request != NULL) {\r
+ FreePool (*Request);\r
+ }\r
+ *Request = FullConfigRequest;\r
+ }\r
+ \r
+ //\r
+ // 4. Construct Default Value string in AltResp according to request element.\r
+ // Go through all VarStorageData Entry and get the DefaultId array for each one\r
+ // Then construct them all to : ConfigHdr AltConfigHdr ConfigBody AltConfigHdr ConfigBody\r
+ //\r
\r
//\r
- // Enlarge the buffer each time when length exceeds MAX_STRING_LENGTH.\r
+ // Add length for <ConfigHdr> + '\0'\r
//\r
- if (MultiStringSize + AppendStringSize > MAX_STRING_LENGTH ||\r
- MultiStringSize > MAX_STRING_LENGTH) {\r
- *MultiString = (EFI_STRING) ReallocatePool (\r
- MultiStringSize,\r
- MultiStringSize + AppendStringSize,\r
- (VOID *) (*MultiString)\r
- );\r
- ASSERT (*MultiString != NULL);\r
+ Length = StrLen (ConfigHdr) + 1;\r
+ \r
+ for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) {\r
+ DefaultId = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r
+ //\r
+ // Add length for "&<ConfigHdr>&ALTCFG=XXXX"\r
+ // |1| StrLen (ConfigHdr) | 8 | 4 |\r
+ //\r
+ Length += (1 + StrLen (ConfigHdr) + 8 + 4);\r
+ \r
+ for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) {\r
+ BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry);\r
+ for (LinkDefault = BlockData->DefaultValueEntry.ForwardLink; LinkDefault != &BlockData->DefaultValueEntry; LinkDefault = LinkDefault->ForwardLink) {\r
+ DefaultValueData = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry);\r
+ if (DefaultValueData->DefaultId == DefaultId->DefaultId) {\r
+ //\r
+ // Add length for "&OFFSET=XXXX&WIDTH=YYYY&VALUE=zzzzzzzzzzzz"\r
+ // | 8 | 4 | 7 | 4 | 7 | Width * 2 |\r
+ //\r
+ Length += (8 + 4 + 7 + 4 + 7 + BlockData->Width * 2); \r
+ }\r
+ }\r
+ }\r
}\r
+\r
//\r
- // Append the incoming string\r
+ // Allocate buffer for the entire <DefaultAltCfgResp>\r
//\r
- StrCat (*MultiString, AppendString);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
- Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET\r
- or WIDTH or VALUE.\r
- <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r
-\r
- This is a internal function.\r
-\r
- @param StringPtr String in <BlockConfig> format and points to the\r
- first character of <Number>.\r
- @param Number The output value. Caller takes the responsibility\r
- to free memory.\r
- @param Len Length of the <Number>, in characters.\r
-\r
- @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r
- structures.\r
- @retval EFI_SUCCESS Value of <Number> is outputted in Number\r
- successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-GetValueOfNumber (\r
- IN EFI_STRING StringPtr,\r
- OUT UINT8 **Number,\r
- OUT UINTN *Len\r
- )\r
-{\r
- EFI_STRING TmpPtr;\r
- UINTN Length;\r
- EFI_STRING Str;\r
- UINT8 *Buf;\r
- EFI_STATUS Status;\r
- UINT8 DigitUint8;\r
- UINTN Index;\r
- CHAR16 TemStr[2];\r
-\r
- ASSERT (StringPtr != NULL && Number != NULL && Len != NULL);\r
- ASSERT (*StringPtr != L'\0');\r
+ DefaultAltCfgResp = AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (DefaultAltCfgResp == NULL) {\r
+ goto Done;\r
+ }\r
+ StringPtr = DefaultAltCfgResp;\r
\r
- Buf = NULL;\r
+ //\r
+ // Start with <ConfigHdr>\r
+ //\r
+ StrCpy (StringPtr, ConfigHdr);\r
+ StringPtr += StrLen (StringPtr);\r
\r
- TmpPtr = StringPtr;\r
- while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
- StringPtr++;\r
+ for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) {\r
+ DefaultId = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r
+ //\r
+ // Add <AltConfigHdr> of the form "&<ConfigHdr>&ALTCFG=XXXX\0"\r
+ // |1| StrLen (ConfigHdr) | 8 | 4 |\r
+ //\r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), \r
+ L"&%s&ALTCFG=%04X", \r
+ ConfigHdr, \r
+ DefaultId->DefaultName\r
+ );\r
+ StringPtr += StrLen (StringPtr);\r
+ \r
+ for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) {\r
+ BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry);\r
+ for (LinkDefault = BlockData->DefaultValueEntry.ForwardLink; LinkDefault != &BlockData->DefaultValueEntry; LinkDefault = LinkDefault->ForwardLink) {\r
+ DefaultValueData = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry);\r
+ if (DefaultValueData->DefaultId == DefaultId->DefaultId) {\r
+ //\r
+ // Add <BlockConfig>\r
+ // <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r
+ //\r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (8 + 4 + 7 + 4 + 7 + 1) * sizeof (CHAR16),\r
+ L"&OFFSET=%04X&WIDTH=%04X&VALUE=", \r
+ BlockData->Offset, \r
+ BlockData->Width\r
+ );\r
+ StringPtr += StrLen (StringPtr);\r
+\r
+ //\r
+ // Convert Value to a hex string in "%x" format\r
+ // NOTE: This is in the opposite byte that GUID and PATH use\r
+ //\r
+ Width = BlockData->Width;\r
+ TmpBuffer = (UINT8 *) &(DefaultValueData->Value);\r
+ for (; Width > 0; Width--) {\r
+ StringPtr += UnicodeValueToString (StringPtr, PREFIX_ZERO | RADIX_HEX, TmpBuffer[Width - 1], 2);\r
+ }\r
+ }\r
+ }\r
+ }\r
}\r
- *Len = StringPtr - TmpPtr;\r
- Length = *Len + 1;\r
+ HiiToLower (DefaultAltCfgResp);\r
\r
- Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (EFI_STRING));\r
- if (Str == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto Exit;\r
+ //\r
+ // 5. Merge string into the input AltCfgResp if the iput *AltCfgResp is not NULL.\r
+ //\r
+ if (*AltCfgResp != NULL) {\r
+ Status = MergeDefaultString (AltCfgResp, DefaultAltCfgResp);\r
+ FreePool (DefaultAltCfgResp);\r
+ } else {\r
+ *AltCfgResp = DefaultAltCfgResp;\r
}\r
- CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));\r
- *(Str + *Len) = L'\0';\r
\r
- Length = (Length + 1) / 2;\r
- Buf = (UINT8 *) AllocateZeroPool (Length);\r
- if (Buf == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto Exit;\r
+Done:\r
+ if (RequestBlockArray != NULL) {\r
+ //\r
+ // Free Link Array RequestBlockArray\r
+ //\r
+ while (!IsListEmpty (&RequestBlockArray->Entry)) {\r
+ BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry);\r
+ RemoveEntryList (&BlockData->Entry);\r
+ FreePool (BlockData);\r
+ }\r
+\r
+ FreePool (RequestBlockArray);\r
}\r
\r
- Length = *Len;\r
- ZeroMem (TemStr, sizeof (TemStr));\r
- for (Index = 0; Index < Length; Index ++) {\r
- TemStr[0] = Str[Length - Index - 1];\r
- DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
- if ((Index & 1) == 0) {\r
- Buf [Index/2] = DigitUint8;\r
- } else {\r
- Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);\r
+ if (VarStorageData != NULL) {\r
+ //\r
+ // Free link array VarStorageData\r
+ //\r
+ while (!IsListEmpty (&VarStorageData->BlockEntry)) {\r
+ BlockData = BASE_CR (VarStorageData->BlockEntry.ForwardLink, IFR_BLOCK_DATA, Entry);\r
+ RemoveEntryList (&BlockData->Entry);\r
+ //\r
+ // Free default value link array\r
+ //\r
+ while (!IsListEmpty (&BlockData->DefaultValueEntry)) {\r
+ DefaultValueData = BASE_CR (BlockData->DefaultValueEntry.ForwardLink, IFR_DEFAULT_DATA, Entry);\r
+ RemoveEntryList (&DefaultValueData->Entry);\r
+ FreePool (DefaultValueData);\r
+ }\r
+ FreePool (BlockData);\r
}\r
+ FreePool (VarStorageData);\r
}\r
\r
- *Number = Buf;\r
- Status = EFI_SUCCESS;\r
+ if (DefaultIdArray != NULL) {\r
+ //\r
+ // Free DefaultId Array\r
+ //\r
+ while (!IsListEmpty (&DefaultIdArray->Entry)) {\r
+ DefaultId = BASE_CR (DefaultIdArray->Entry.ForwardLink, IFR_DEFAULT_DATA, Entry);\r
+ RemoveEntryList (&DefaultId->Entry);\r
+ FreePool (DefaultId);\r
+ }\r
+ FreePool (DefaultIdArray);\r
+ }\r
+ \r
+ //\r
+ // Free the allocated string \r
+ //\r
+ if (GuidStr != NULL) {\r
+ FreePool (GuidStr);\r
+ }\r
+ if (NameStr != NULL) {\r
+ FreePool (NameStr);\r
+ }\r
+ if (PathStr != NULL) {\r
+ FreePool (PathStr);\r
+ }\r
+ if (ConfigHdr != NULL) {\r
+ FreePool (ConfigHdr);\r
+ }\r
\r
-Exit:\r
- if (Str != NULL) {\r
- FreePool (Str);\r
+ //\r
+ // Free Pacakge data\r
+ //\r
+ if (HiiPackageList != NULL) {\r
+ FreePool (HiiPackageList);\r
}\r
\r
return Status;\r
}\r
\r
-\r
/**\r
This function allows a caller to extract the current configuration\r
for one or more named elements from one or more drivers.\r
OUT EFI_STRING *Results\r
)\r
{\r
+ HII_DATABASE_PRIVATE_DATA *Private;\r
EFI_STRING StringPtr;\r
EFI_STRING ConfigRequest;\r
UINTN Length;\r
EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r
EFI_STATUS Status;\r
+ LIST_ENTRY *Link;\r
+ HII_DATABASE_RECORD *Database;\r
+ UINT8 *DevicePathPkg;\r
+ UINT8 *CurrentDevicePath;\r
EFI_HANDLE DriverHandle;\r
+ EFI_HII_HANDLE HiiHandle;\r
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
EFI_STRING AccessProgress;\r
EFI_STRING AccessResults;\r
+ EFI_STRING DefaultResults;\r
BOOLEAN FirstElement;\r
+ UINTN DevicePathLength;\r
\r
if (This == NULL || Progress == NULL || Results == NULL) {\r
return EFI_INVALID_PARAMETER;\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+ Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r
StringPtr = Request;\r
*Progress = StringPtr;\r
+ DefaultResults = NULL;\r
+ ConfigRequest = NULL;\r
+ Status = EFI_SUCCESS;\r
+ AccessResults = NULL;\r
+ DevicePath = NULL;\r
\r
//\r
// The first element of <MultiConfigRequest> should be\r
Length = CalculateConfigStringLen (StringPtr);\r
ConfigRequest = AllocateCopyPool ((Length + 1) * sizeof (CHAR16), StringPtr);\r
if (ConfigRequest == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
}\r
*(ConfigRequest + Length) = 0;\r
\r
//\r
Status = GetDevicePath (ConfigRequest, (UINT8 **) &DevicePath);\r
if (EFI_ERROR (Status)) {\r
- FreePool (ConfigRequest);\r
- return Status;\r
+ goto Done;\r
}\r
\r
//\r
- // Find driver handle by device path\r
+ // Find driver which matches the routing data.\r
+ //\r
+ DriverHandle = NULL;\r
+ HiiHandle = NULL;\r
+ DevicePathLength = GetDevicePathSize (DevicePath);\r
+ for (Link = Private->DatabaseList.ForwardLink;\r
+ Link != &Private->DatabaseList;\r
+ Link = Link->ForwardLink\r
+ ) {\r
+ Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);\r
+ \r
+ if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {\r
+ CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);\r
+ if ((DevicePathLength == GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath)) && \r
+ (CompareMem (\r
+ DevicePath,\r
+ CurrentDevicePath,\r
+ DevicePathLength\r
+ ) == 0)) {\r
+ DriverHandle = Database->DriverHandle;\r
+ HiiHandle = Database->Handle;\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Try to find driver handle by device path.\r
//\r
- DriverHandle = NULL;\r
- TempDevicePath = DevicePath;\r
- Status = gBS->LocateDevicePath (\r
- &gEfiDevicePathProtocolGuid,\r
- &TempDevicePath,\r
- &DriverHandle\r
- );\r
- FreePool (DevicePath);\r
-\r
- if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r
+ if (DriverHandle == NULL) {\r
+ TempDevicePath = DevicePath;\r
+ Status = gBS->LocateDevicePath (\r
+ &gEfiDevicePathProtocolGuid,\r
+ &TempDevicePath,\r
+ &DriverHandle\r
+ );\r
+ if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r
+ //\r
+ // Routing data does not match any known driver.\r
+ // Set Progress to the 'G' in "GUID" of the routing header.\r
+ //\r
+ *Progress = StringPtr;\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Check whether ConfigRequest contains request string OFFSET/WIDTH\r
+ //\r
+ if ((HiiHandle != NULL) && (StrStr (ConfigRequest, L"&OFFSET=") == NULL)) {\r
//\r
- // Cannot find any known driver.\r
- // Set Progress to the 'G' in "GUID" of the routing header.\r
+ // Get the full request string from IFR when HiiPackage is registered to HiiHandle \r
//\r
- *Progress = StringPtr;\r
- FreePool (ConfigRequest);\r
- return EFI_NOT_FOUND;\r
+ Status = GetFullStringFromHiiFormPackages (HiiHandle, DevicePath, &ConfigRequest, &DefaultResults);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
}\r
\r
//\r
// Map it to the progress on <MultiConfigRequest> then return it.\r
//\r
*Progress = StrStr (StringPtr, AccessProgress);\r
- FreePool (ConfigRequest);\r
- return Status;\r
+ goto Done;\r
}\r
\r
//\r
//\r
ASSERT (*AccessProgress == 0);\r
\r
+ //\r
+ // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle \r
+ //\r
+ if (HiiHandle != NULL) {\r
+ if (DefaultResults == NULL) {\r
+ Status = GetFullStringFromHiiFormPackages (HiiHandle, DevicePath, &ConfigRequest, &AccessResults);\r
+ } else {\r
+ Status = MergeDefaultString (&AccessResults, DefaultResults);\r
+ }\r
+ }\r
+ FreePool (DevicePath);\r
+ DevicePath = NULL;\r
+ \r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Free the allocated memory.\r
+ //\r
+ if (DefaultResults != NULL) {\r
+ FreePool (DefaultResults);\r
+ DefaultResults = NULL;\r
+ }\r
+ \r
if (!FirstElement) {\r
Status = AppendToMultiString (Results, L"&");\r
ASSERT_EFI_ERROR (Status);\r
ASSERT_EFI_ERROR (Status);\r
\r
FirstElement = FALSE;\r
- \r
+\r
FreePool (AccessResults);\r
AccessResults = NULL;\r
FreePool (ConfigRequest);\r
}\r
\r
StringPtr++;\r
-\r
}\r
\r
- return EFI_SUCCESS;\r
+Done:\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (*Results);\r
+ }\r
+ \r
+ if (ConfigRequest != NULL) {\r
+ FreePool (ConfigRequest);\r
+ }\r
+ \r
+ if (AccessResults != NULL) {\r
+ FreePool (AccessResults);\r
+ }\r
+ \r
+ if (DefaultResults != NULL) {\r
+ FreePool (DefaultResults);\r
+ }\r
+ \r
+ if (DevicePath != NULL) {\r
+ FreePool (DevicePath);\r
+ } \r
\r
+ return Status;\r
}\r
\r
\r
{\r
EFI_STATUS Status;\r
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
- EFI_STRING AccessResults; \r
+ EFI_STRING AccessResults;\r
+ EFI_STRING Progress;\r
+ EFI_STRING ConfigRequest;\r
UINTN Index;\r
EFI_HANDLE *ConfigAccessHandles;\r
UINTN NumberConfigAccessHandles;\r
BOOLEAN FirstElement;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_HII_HANDLE HiiHandle;\r
+ EFI_STRING DefaultResults;\r
+ HII_DATABASE_PRIVATE_DATA *Private;\r
+ LIST_ENTRY *Link;\r
+ HII_DATABASE_RECORD *Database;\r
+ UINT8 *DevicePathPkg;\r
+ UINT8 *CurrentDevicePath;\r
+ UINTN DevicePathLength;\r
\r
if (This == NULL || Results == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+ Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
//\r
// Allocate a fix length of memory to store Results. Reallocate memory for\r
// Results if this fix length is insufficient.\r
continue;\r
}\r
\r
+ //\r
+ // Get DevicePath and HiiHandle for this ConfigAccess driver handle\r
+ //\r
+ Progress = NULL;\r
+ HiiHandle = NULL;\r
+ ConfigRequest = NULL;\r
+ DefaultResults = NULL;\r
+ DevicePath = DevicePathFromHandle (ConfigAccessHandles[Index]);\r
+ DevicePathLength = GetDevicePathSize (DevicePath);\r
+ if (DevicePath != NULL) {\r
+ for (Link = Private->DatabaseList.ForwardLink;\r
+ Link != &Private->DatabaseList;\r
+ Link = Link->ForwardLink\r
+ ) {\r
+ Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);\r
+ if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {\r
+ CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);\r
+ if ((DevicePathLength == GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath)) &&\r
+ (CompareMem (\r
+ DevicePath,\r
+ CurrentDevicePath,\r
+ DevicePathLength\r
+ ) == 0)) {\r
+ HiiHandle = Database->Handle;\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle \r
+ //\r
+ if (HiiHandle != NULL && DevicePath != NULL) {\r
+ Status = GetFullStringFromHiiFormPackages (HiiHandle, DevicePath, &ConfigRequest, &DefaultResults);\r
+ }\r
+ //\r
+ // Can't parse IFR data to get the request string and default string.\r
+ //\r
+ if (EFI_ERROR (Status)) {\r
+ ConfigRequest = NULL;\r
+ DefaultResults = NULL;\r
+ }\r
+ \r
Status = ConfigAccess->ExtractConfig (\r
ConfigAccess,\r
- NULL,\r
- NULL,\r
+ ConfigRequest,\r
+ &Progress,\r
&AccessResults\r
);\r
if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Merge the default sting from IFR code into the got setting from driver.\r
+ //\r
+ if (DefaultResults != NULL) {\r
+ MergeDefaultString (&AccessResults, DefaultResults);\r
+ FreePool (DefaultResults);\r
+ }\r
+ \r
//\r
// Attach this <ConfigAltResp> to a <MultiConfigAltResp>. There is a '&'\r
// which seperates the first <ConfigAltResp> and the following ones. \r
OUT EFI_STRING *Progress\r
)\r
{\r
+ HII_DATABASE_PRIVATE_DATA *Private;\r
EFI_STRING StringPtr;\r
EFI_STRING ConfigResp;\r
UINTN Length;\r
EFI_STATUS Status;\r
EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r
+ LIST_ENTRY *Link;\r
+ HII_DATABASE_RECORD *Database;\r
+ UINT8 *DevicePathPkg;\r
+ UINT8 *CurrentDevicePath;\r
EFI_HANDLE DriverHandle;\r
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
EFI_STRING AccessProgress;\r
+ UINTN DevicePathLength;\r
\r
if (This == NULL || Progress == NULL) {\r
return EFI_INVALID_PARAMETER;\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+ Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r
StringPtr = Configuration;\r
*Progress = StringPtr;\r
\r
}\r
\r
//\r
- // Find driver handle by device path\r
- //\r
- DriverHandle = NULL;\r
- TempDevicePath = DevicePath;\r
- Status = gBS->LocateDevicePath (\r
- &gEfiDevicePathProtocolGuid,\r
- &TempDevicePath,\r
- &DriverHandle\r
- );\r
- FreePool (DevicePath);\r
+ // Find driver which matches the routing data.\r
+ //\r
+ DriverHandle = NULL;\r
+ DevicePathLength = GetDevicePathSize (DevicePath);\r
+ for (Link = Private->DatabaseList.ForwardLink;\r
+ Link != &Private->DatabaseList;\r
+ Link = Link->ForwardLink\r
+ ) {\r
+ Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);\r
+\r
+ if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {\r
+ CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);\r
+ if ((DevicePathLength == GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath)) &&\r
+ (CompareMem (\r
+ DevicePath,\r
+ CurrentDevicePath,\r
+ DevicePathLength\r
+ ) == 0)) {\r
+ DriverHandle = Database->DriverHandle;\r
+ break;\r
+ }\r
+ }\r
+ }\r
\r
- if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r
- //\r
- // Cannot find any known driver.\r
- // Set Progress to the 'G' in "GUID" of the routing header.\r
- //\r
- *Progress = StringPtr;\r
- FreePool (ConfigResp);\r
- return EFI_NOT_FOUND;\r
+ //\r
+ // Try to find driver handle by device path.\r
+ //\r
+ if (DriverHandle == NULL) {\r
+ TempDevicePath = DevicePath;\r
+ Status = gBS->LocateDevicePath (\r
+ &gEfiDevicePathProtocolGuid,\r
+ &TempDevicePath,\r
+ &DriverHandle\r
+ );\r
+ if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r
+ //\r
+ // Routing data does not match any known driver.\r
+ // Set Progress to the 'G' in "GUID" of the routing header.\r
+ //\r
+ FreePool (DevicePath);\r
+ *Progress = StringPtr;\r
+ FreePool (ConfigResp);\r
+ return EFI_NOT_FOUND;\r
+ }\r
}\r
\r
+ FreePool (DevicePath);\r
+\r
//\r
// Call corresponding ConfigAccess protocol to route settings\r
//\r
@param BlockSize Length in bytes of Block.\r
@param Config Filled-in configuration string. String allocated\r
by the function. Returned only if call is\r
- successful.\r
+ successful. It is <ConfigResp> string format.\r
@param Progress A pointer to a string filled in with the offset of\r
the most recent & before the first failing\r
name/value pair (or the beginning of the string if\r
OUT EFI_STRING *Progress\r
)\r
{\r
+ HII_DATABASE_PRIVATE_DATA *Private;\r
EFI_STRING StringPtr;\r
UINTN Length;\r
EFI_STATUS Status;\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+\r
+ Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r
+ ASSERT (Private != NULL);\r
+\r
StringPtr = ConfigRequest;\r
ValueStr = NULL;\r
Value = NULL;\r
for (Index = 0; Index < Width; Index ++, TemBuffer --) {\r
TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2);\r
}\r
- HiiToLower (ValueStr);\r
\r
FreePool (Value);\r
Value = NULL;\r
Status = EFI_INVALID_PARAMETER;\r
goto Exit;\r
}\r
-\r
+ \r
+ HiiToLower (*Config);\r
*Progress = StringPtr;\r
return EFI_SUCCESS;\r
\r
@param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r
instance.\r
@param ConfigResp A null-terminated Unicode string in <ConfigResp>\r
- format.\r
+ format. It can be ConfigAltResp format string.\r
@param Block A possibly null array of bytes representing the\r
current block. Only bytes referenced in the\r
ConfigResp string in the block are modified. If\r
\r
StringPtr++;\r
}\r
-\r
- if (*StringPtr != 0) {\r
+ \r
+ //\r
+ // The input string is ConfigAltResp format.\r
+ //\r
+ if ((*StringPtr != 0) && (StrnCmp (StringPtr, L"&GUID=", StrLen (L"&GUID=")) != 0)) {\r
*Progress = StringPtr - 1;\r
Status = EFI_INVALID_PARAMETER;\r
goto Exit;\r
@param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r
instance.\r
@param Configuration A null-terminated Unicode string in\r
- <MultiConfigAltResp> format.\r
+ <MultiConfigAltResp> format. It is <ConfigAltResp> format.\r
@param Guid A pointer to the GUID value to search for in the\r
routing portion of the ConfigResp string when\r
retrieving the requested data. If Guid is NULL,\r
@param AltCfgResp A pointer to a buffer which will be allocated by\r
the function which contains the retrieved string\r
as requested. This buffer is only allocated if\r
- the call was successful.\r
+ the call was successful. It is <ConfigResp> format.\r
\r
@retval EFI_SUCCESS The request succeeded. The requested data was\r
extracted and placed in the newly allocated\r
Status = EFI_NOT_FOUND;\r
goto Exit;\r
}\r
+ StringPtr ++;\r
}\r
PathFlag = TRUE;\r
- HdrEnd = ++StringPtr;\r
+ HdrEnd = StringPtr;\r
}\r
}\r
\r
NameFlag = FALSE;\r
PathFlag = FALSE;\r
} else {\r
- Status = OutputConfigBody (StringPtr, &Result);\r
+ //\r
+ // Skip AltIdStr and &\r
+ //\r
+ StringPtr = StringPtr + StrLen (AltIdStr);\r
+ Status = OutputConfigBody (StringPtr, &Result);\r
goto Exit;\r
}\r
}\r
//\r
// Copy the <ConfigHdr> and <ConfigBody>\r
//\r
- Length = HdrEnd - HdrStart + StrLen (Result);\r
+ Length = HdrEnd - HdrStart + StrLen (Result) + 1;\r
*AltCfgResp = AllocateZeroPool (Length * sizeof (CHAR16));\r
if (*AltCfgResp == NULL) {\r
Status = EFI_OUT_OF_RESOURCES;\r
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