diff options
Diffstat (limited to 'MdePkg/Library/HiiLib/HiiLib.c')
| -rw-r--r-- | MdePkg/Library/HiiLib/HiiLib.c | 780 |
1 files changed, 766 insertions, 14 deletions
diff --git a/MdePkg/Library/HiiLib/HiiLib.c b/MdePkg/Library/HiiLib/HiiLib.c index 6cc5e76..ef86f5d 100644 --- a/MdePkg/Library/HiiLib/HiiLib.c +++ b/MdePkg/Library/HiiLib/HiiLib.c @@ -15,33 +15,785 @@ #include <PiDxe.h>
+#include <Protocol/HiiDatabase.h>
+#include <Protocol/HiiString.h>
+#include <Protocol/DevicePath.h>
+
+#include <Guid/GlobalVariable.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
#include <Library/HiiLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/PcdLib.h>
+
+#include <MdeModuleHii.h>
+
+#include "InternalHiiLib.h"
+
+
+EFI_HII_DATABASE_PROTOCOL *mHiiDatabaseProt;
+EFI_HII_STRING_PROTOCOL *mHiiStringProt;
+
+//
+// Hii vendor device path template
+//
+HII_VENDOR_DEVICE_PATH mHiiVendorDevicePathTemplate = {
+ {
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ {
+ (UINT8) (sizeof (HII_VENDOR_DEVICE_PATH_NODE)),
+ (UINT8) ((sizeof (HII_VENDOR_DEVICE_PATH_NODE)) >> 8)
+ }
+ },
+ EFI_IFR_TIANO_GUID
+ },
+ 0
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ {
+ END_DEVICE_PATH_LENGTH
+ }
+ }
+};
+
+EFI_STATUS
+EFIAPI
+UefiHiiLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->LocateProtocol (
+ &gEfiHiiDatabaseProtocolGuid,
+ NULL,
+ (VOID **) &mHiiDatabaseProt
+ );
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (mHiiDatabaseProt != NULL);
+
+ Status = gBS->LocateProtocol (
+ &gEfiHiiStringProtocolGuid,
+ NULL,
+ (VOID **) &mHiiStringProt
+ );
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (mHiiStringProt != NULL);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+HiiLibGetCurrentLanguage (
+ OUT CHAR8 *Lang
+ )
+/*++
+
+Routine Description:
+ Determine what is the current language setting
+
+Arguments:
+ Lang - Pointer of system language
+
+Returns:
+ Status code
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN Size;
+
+ //
+ // Get current language setting
+ //
+ Size = RFC_3066_ENTRY_SIZE;
+ Status = gRT->GetVariable (
+ L"PlatformLang",
+ &gEfiGlobalVariableGuid,
+ NULL,
+ &Size,
+ Lang
+ );
+
+ if (EFI_ERROR (Status)) {
+ AsciiStrCpy (Lang, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang));
+ }
+
+ return Status;
+}
+
+VOID
+HiiLibGetNextLanguage (
+ IN OUT CHAR8 **LangCode,
+ OUT CHAR8 *Lang
+ )
+/*++
+
+Routine Description:
+ Get next language from language code list (with separator ';').
+
+Arguments:
+ LangCode - On input: point to first language in the list. On output: point to
+ next language in the list, or NULL if no more language in the list.
+ Lang - The first language in the list.
+
+Returns:
+ None.
+
+--*/
+{
+ UINTN Index;
+ CHAR8 *StringPtr;
+
+ if (LangCode == NULL || *LangCode == NULL) {
+ *Lang = 0;
+ return;
+ }
+
+ Index = 0;
+ StringPtr = *LangCode;
+ while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
+ Index++;
+ }
+
+ CopyMem (Lang, StringPtr, Index);
+ Lang[Index] = 0;
+
+ if (StringPtr[Index] == ';') {
+ Index++;
+ }
+ *LangCode = StringPtr + Index;
+}
+
+CHAR8 *
+HiiLibGetSupportedLanguages (
+ IN EFI_HII_HANDLE HiiHandle
+ )
+/*++
+
+Routine Description:
+ This function returns the list of supported languages, in the format specified
+ in UEFI specification Appendix M.
+
+Arguments:
+ HiiHandle - The HII package list handle.
+
+Returns:
+ The supported languages.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ CHAR8 *LanguageString;
+
+ //
+ // Collect current supported Languages for given HII handle
+ //
+ BufferSize = 0x1000;
+ LanguageString = AllocatePool (BufferSize);
+ Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ gBS->FreePool (LanguageString);
+ LanguageString = AllocatePool (BufferSize);
+ Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
+ }
+
+ if (EFI_ERROR (Status)) {
+ LanguageString = NULL;
+ }
+
+ return LanguageString;
+}
+
+UINT16
+HiiLibGetSupportedLanguageNumber (
+ IN EFI_HII_HANDLE HiiHandle
+ )
+/*++
+
+Routine Description:
+ This function returns the number of supported languages
+
+Arguments:
+ HiiHandle - The HII package list handle.
+
+Returns:
+ The number of supported languages.
+
+--*/
+{
+ CHAR8 *Languages;
+ CHAR8 *LanguageString;
+ UINT16 LangNumber;
+ CHAR8 Lang[RFC_3066_ENTRY_SIZE];
+
+ Languages = HiiLibGetSupportedLanguages (HiiHandle);
+ if (Languages == NULL) {
+ return 0;
+ }
+
+ LangNumber = 0;
+ LanguageString = Languages;
+ while (*LanguageString != 0) {
+ HiiLibGetNextLanguage (&LanguageString, Lang);
+ LangNumber++;
+ }
+ gBS->FreePool (Languages);
+
+ return LangNumber;
+}
+
+
+EFI_HII_PACKAGE_LIST_HEADER *
+InternalHiiLibPreparePackages (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *GuidId, OPTIONAL
+ VA_LIST Marker
+ )
+{
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
+ UINT8 *PackageListData;
+ UINT32 PackageListLength;
+ UINT32 PackageLength;
+ EFI_HII_PACKAGE_HEADER PackageHeader;
+ UINT8 *PackageArray;
+ UINTN Index;
+ VA_LIST MarkerBackup;
+
+ PackageListLength = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
+
+ MarkerBackup = Marker;
+
+ for (Index = 0; Index < NumberOfPackages; Index++) {
+ CopyMem (&PackageLength, VA_ARG (Marker, VOID *), sizeof (UINT32));
+ PackageListLength += (PackageLength - sizeof (UINT32));
+ }
+
+ //
+ // Include the lenght of EFI_HII_PACKAGE_END
+ //
+ PackageListLength += sizeof (EFI_HII_PACKAGE_HEADER);
+ PackageListHeader = AllocateZeroPool (PackageListLength);
+ ASSERT (PackageListHeader != NULL);
+ CopyMem (&PackageListHeader->PackageListGuid, GuidId, sizeof (EFI_GUID));
+ PackageListHeader->PackageLength = PackageListLength;
+
+ PackageListData = ((UINT8 *) PackageListHeader) + sizeof (EFI_HII_PACKAGE_LIST_HEADER);
+
+ Marker = MarkerBackup;
+ for (Index = 0; Index < NumberOfPackages; Index++) {
+ PackageArray = (UINT8 *) VA_ARG (Marker, VOID *);
+ CopyMem (&PackageLength, PackageArray, sizeof (UINT32));
+ PackageLength -= sizeof (UINT32);
+ PackageArray += sizeof (UINT32);
+ CopyMem (PackageListData, PackageArray, PackageLength);
+ PackageListData += PackageLength;
+ }
+
+ //
+ // Append EFI_HII_PACKAGE_END
+ //
+ PackageHeader.Type = EFI_HII_PACKAGE_END;
+ PackageHeader.Length = sizeof (EFI_HII_PACKAGE_HEADER);
+ CopyMem (PackageListData, &PackageHeader, PackageHeader.Length);
+
+ return PackageListHeader;
+}
+
+EFI_HII_PACKAGE_LIST_HEADER *
+EFIAPI
+HiiLibPreparePackageList (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *GuidId,
+ ...
+ )
+/*++
+
+Routine Description:
+ Assemble EFI_HII_PACKAGE_LIST according to the passed in packages.
+
+Arguments:
+ NumberOfPackages - Number of packages.
+ GuidId - Package GUID.
+
+Returns:
+ Pointer of EFI_HII_PACKAGE_LIST_HEADER.
+
+--*/
+{
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
+ VA_LIST Marker;
+
+ VA_START (Marker, GuidId);
+ PackageListHeader = InternalHiiLibPreparePackages (NumberOfPackages, GuidId, Marker);
+ VA_END (Marker);
+
+ return PackageListHeader;
+}
+
/**
- This function allocates pool for an EFI_HII_PACKAGES structure
- with enough space for the variable argument list of package pointers.
- The allocated structure is initialized using NumberOfPackages, Guid,
- and the variable length argument list of package pointers.
+ This function allocates pool for an EFI_HII_PACKAGE_LIST structure
+ with additional space that is big enough to host all packages described by the variable
+ argument list of package pointers. The allocated structure is initialized using NumberOfPackages,
+ GuidId, and the variable length argument list of package pointers.
- @param NumberOfPackages The number of HII packages to prepare.
- @param Guid Package GUID.
+ Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The
+ Handle to the newly registered Package List is returned throught HiiHandle.
- @return The allocated and initialized packages.
+ @param NumberOfPackages The number of HII packages to register.
+ @param GuidId Package List GUID ID.
+ @param HiiHandle The ID used to retrieve the Package List later.
+ @param ... The variable argument list describing all HII Package.
+
+ @return
+ The allocated and initialized packages.
**/
-EFI_HII_PACKAGE_LIST_HEADER *
+
+EFI_STATUS
+EFIAPI
+HiiLibAddPackagesToHiiDatabase (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *GuidId,
+ IN EFI_HANDLE DriverHandle, OPTIONAL
+ OUT EFI_HII_HANDLE *HiiHandle, OPTIONAL
+ ...
+ )
+{
+ VA_LIST Args;
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
+ EFI_STATUS Status;
+
+
+ VA_START (Args, HiiHandle);
+ PackageListHeader = InternalHiiLibPreparePackages (NumberOfPackages, GuidId, Args);
+
+ Status = mHiiDatabaseProt->NewPackageList (mHiiDatabaseProt, PackageListHeader, DriverHandle, HiiHandle);
+ if (HiiHandle != NULL) {
+ if (EFI_ERROR (Status)) {
+ *HiiHandle = NULL;
+ }
+ }
+
+ FreePool (PackageListHeader);
+ VA_END (Args);
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+HiiLibAddFontPackageToHiiDatabase (
+ IN UINTN FontSize,
+ IN CONST UINT8 *FontBinary,
+ IN CONST EFI_GUID *GuidId,
+ OUT EFI_HII_HANDLE *HiiHandle OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ UINT8 *Location;
+ EFI_HII_SIMPLE_FONT_PACKAGE_HDR *SimplifiedFont;
+ UINTN PackageLength;
+ EFI_HII_PACKAGE_LIST_HEADER *PackageList;
+ UINT8 *Package;
+
+ //
+ // Add 4 bytes to the header for entire length for PreparePackageList use only.
+ // Looks ugly. Might be updated when font tool is ready.
+ //
+ PackageLength = sizeof (EFI_HII_SIMPLE_FONT_PACKAGE_HDR) + FontSize + 4;
+ Package = AllocateZeroPool (PackageLength);
+ if (Package == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (Package, &PackageLength, 4);
+ SimplifiedFont = (EFI_HII_SIMPLE_FONT_PACKAGE_HDR*) (Package + 4);
+ SimplifiedFont->Header.Length = (UINT32) (PackageLength - 4);
+ SimplifiedFont->Header.Type = EFI_HII_PACKAGE_SIMPLE_FONTS;
+ SimplifiedFont->NumberOfNarrowGlyphs = (UINT16) (FontSize / sizeof (EFI_NARROW_GLYPH));
+
+ Location = (UINT8 *) (&SimplifiedFont->NumberOfWideGlyphs + 1);
+ CopyMem (Location, FontBinary, FontSize);
+
+ //
+ // Add this simplified font package to a package list then install it.
+ //
+ PackageList = HiiLibPreparePackageList (1, GuidId, Package);
+ Status = mHiiDatabaseProt->NewPackageList (mHiiDatabaseProt, PackageList, NULL, HiiHandle);
+ ASSERT_EFI_ERROR (Status);
+ SafeFreePool (PackageList);
+ SafeFreePool (Package);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+HiiLibRemovePackagesFromHiiDatabase (
+ IN EFI_HII_HANDLE HiiHandle
+ )
+{
+ return mHiiDatabaseProt->RemovePackageList (mHiiDatabaseProt, HiiHandle);
+}
+
+EFI_STATUS
+EFIAPI
+HiiLibCreateString (
+ IN EFI_HII_HANDLE PackageList,
+ OUT EFI_STRING_ID *StringId,
+ IN CONST EFI_STRING String
+ )
+{
+ EFI_STATUS Status;
+ CHAR8 *Languages;
+ CHAR8 *LangStrings;
+ CHAR8 Lang[RFC_3066_ENTRY_SIZE];
+
+ Status = EFI_SUCCESS;
+
+ Languages = HiiLibGetSupportedLanguages (PackageList);
+
+ LangStrings = Languages;
+ while (*LangStrings != 0) {
+ HiiLibGetNextLanguage (&LangStrings, Lang);
+
+ Status = mHiiStringProt->NewString (
+ mHiiStringProt,
+ PackageList,
+ StringId,
+ Lang,
+ NULL,
+ String,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ }
+
+ FreePool (Languages);
+
+ return Status;
+
+}
+
+EFI_STATUS
+EFIAPI
+HiiLibUpdateString (
+ IN EFI_HII_HANDLE PackageList,
+ IN EFI_STRING_ID StringId,
+ IN CONST EFI_STRING String
+ )
+{
+ EFI_STATUS Status;
+ CHAR8 *Languages;
+ CHAR8 *LangStrings;
+ CHAR8 Lang[RFC_3066_ENTRY_SIZE];
+
+ Status = EFI_SUCCESS;
+
+ Languages = HiiLibGetSupportedLanguages (PackageList);
+
+ LangStrings = Languages;
+ while (*LangStrings != 0) {
+ HiiLibGetNextLanguage (&LangStrings, Lang);
+
+ Status = mHiiStringProt->SetString (
+ mHiiStringProt,
+ PackageList,
+ StringId,
+ Lang,
+ String,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ }
+
+ FreePool (Languages);
+
+ return Status;
+}
+
+// //
+// //////////////////////////////////////////////////
+// //
+
+//
+// This function is Implementation Specifc. HII_VENDOR_DEVICE_PATH
+// This should be moved to MdeModulepkg.
+//
+EFI_STATUS
EFIAPI
-PreparePackages (
- IN CONST UINTN NumberOfPackages,
- IN CONST EFI_GUID *Guid OPTIONAL,
+HiiLibCreateHiiDriverHandle (
+ OUT EFI_HANDLE *DriverHandle
+ )
+{
+ EFI_STATUS Status;
+ HII_VENDOR_DEVICE_PATH_NODE *VendorDevicePath;
+ UINT64 MonotonicCount;
+
+ VendorDevicePath = AllocateCopyPool (sizeof (HII_VENDOR_DEVICE_PATH), &mHiiVendorDevicePathTemplate);
+ if (VendorDevicePath == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ gBS->GetNextMonotonicCount (&MonotonicCount);
+ VendorDevicePath->MonotonicCount = (UINT32) MonotonicCount;
+
+ *DriverHandle = NULL;
+ Status = gBS->InstallProtocolInterface (
+ DriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ VendorDevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EFIAPI
+HiiLibDestroyHiiDriverHandle (
+ IN EFI_HANDLE DriverHandle
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ Status = gBS->HandleProtocol (
+ DriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->UninstallProtocolInterface (
+ DriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ DevicePath
+ );
+
+ return Status;
+}
+
+EFI_STATUS
+HiiLibExtractDefault(
+ IN VOID *Buffer,
+ IN UINTN *BufferSize,
+ UINTN Number,
...
)
+/*++
+
+ Routine Description:
+
+ Configure the buffer accrording to ConfigBody strings.
+
+ Arguments:
+ DefaultId - the ID of default.
+ Buffer - the start address of buffer.
+ BufferSize - the size of buffer.
+ Number - the number of the strings.
+
+ Returns:
+ EFI_BUFFER_TOO_SMALL - the BufferSize is too small to operate.
+ EFI_INVALID_PARAMETER - Buffer is NULL or BufferSize is 0.
+ EFI_SUCCESS - Operation successful.
+
+--*/
{
+ VA_LIST Args;
+ UINTN Index;
+ UINT32 TotalLen;
+ UINT8 *BufCfgArray;
+ UINT8 *BufferPos;
+ UINT16 Offset;
+ UINT16 Width;
+ UINT8 *Value;
+
+ if ((Buffer == NULL) || (BufferSize == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Offset = 0;
+ Width = 0;
+ Value = NULL;
+
+ VA_START (Args, Number);
+ for (Index = 0; Index < Number; Index++) {
+ BufCfgArray = (UINT8 *) VA_ARG (Args, VOID *);
+ CopyMem (&TotalLen, BufCfgArray, sizeof (UINT32));
+ BufferPos = BufCfgArray + sizeof (UINT32);
+
+ while ((UINT32)(BufferPos - BufCfgArray) < TotalLen) {
+ CopyMem (&Offset, BufferPos, sizeof (UINT16));
+ BufferPos += sizeof (UINT16);
+ CopyMem (&Width, BufferPos, sizeof (UINT16));
+ BufferPos += sizeof (UINT16);
+ Value = BufferPos;
+ BufferPos += Width;
+
+ if ((UINTN)(Offset + Width) > *BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ CopyMem ((UINT8 *)Buffer + Offset, Value, Width);
+ }
+ }
+ VA_END (Args);
+
+ *BufferSize = (UINTN)Offset;
+
+ return EFI_SUCCESS;
+}
+
+
+STATIC EFI_GUID mIfrVendorGuid = EFI_IFR_TIANO_GUID;
+
+EFI_STATUS
+HiiLibExtractClassFromHiiHandle (
+ IN EFI_HII_HANDLE Handle,
+ OUT UINT16 *Class,
+ OUT EFI_STRING_ID *FormSetTitle,
+ OUT EFI_STRING_ID *FormSetHelp
+ )
+/*++
+
+Routine Description:
+ Extract formset class for given HII handle.
+
+Arguments:
+ HiiHandle - Hii handle
+ Class - Class of the formset
+ FormSetTitle - Formset title string
+ FormSetHelp - Formset help string
+
+Returns:
+ EFI_SUCCESS - Successfully extract Class for specified Hii handle.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;
+ UINT8 *Package;
+ UINT8 *OpCodeData;
+ UINT32 Offset;
+ UINT32 Offset2;
+ UINT32 PackageListLength;
+ EFI_HII_PACKAGE_HEADER PackageHeader;
+
+ *Class = EFI_NON_DEVICE_CLASS;
+ *FormSetTitle = 0;
+ *FormSetHelp = 0;
+
//
- // BugBug: Need more detail on UEFI spec.
+ // Locate HII Database protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiHiiDatabaseProtocolGuid,
+ NULL,
+ (VOID **) &HiiDatabase
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Get HII PackageList
+ //
+ BufferSize = 0;
+ HiiPackageList = NULL;
+ Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ HiiPackageList = AllocatePool (BufferSize);
+ ASSERT (HiiPackageList != NULL);
+
+ Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);
+ }
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
//
- ASSERT (FALSE);
- return NULL;
+ // Get Form package from this HII package List
+ //
+ Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
+ Offset2 = 0;
+ CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32));
+
+ while (Offset < PackageListLength) {
+ Package = ((UINT8 *) HiiPackageList) + Offset;
+ CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));
+
+ if (PackageHeader.Type == EFI_HII_PACKAGE_FORM) {
+ //
+ // Search Class Opcode in this Form Package
+ //
+ Offset2 = sizeof (EFI_HII_PACKAGE_HEADER);
+ while (Offset2 < PackageHeader.Length) {
+ OpCodeData = Package + Offset2;
+
+ if (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_FORM_SET_OP) {
+ //
+ // Find FormSet OpCode
+ //
+ CopyMem (FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
+ CopyMem (FormSetHelp, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));
+ }
+
+ if ((((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_GUID_OP) &&
+ CompareGuid (&mIfrVendorGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER))) &&
+ (((EFI_IFR_GUID_CLASS *) OpCodeData)->ExtendOpCode == EFI_IFR_EXTEND_OP_CLASS)
+ ) {
+ //
+ // Find GUIDed Class OpCode
+ //
+ CopyMem (Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));
+
+ //
+ // Till now, we ought to have found the formset Opcode
+ //
+ break;
+ }
+
+ Offset2 += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
+ }
+
+ if (Offset2 < PackageHeader.Length) {
+ //
+ // Target formset found
+ //
+ break;
+ }
+ }
+
+ Offset += PackageHeader.Length;
+ }
+
+ gBS->FreePool (HiiPackageList);
+
+ return EFI_SUCCESS;
}
+
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