+/**\r
+ Check whether the formset guid is in this Hii package list.\r
+\r
+ @param HiiHandle The HiiHandle for this HII package list.\r
+ @param FormsetGuid The formset guid for the request formset.\r
+\r
+ @retval TRUE Find the formset guid.\r
+ @retval FALSE Not found the formset guid.\r
+\r
+**/\r
+BOOLEAN\r
+GetFormsetGuidFromHiiHandle (\r
+ IN EFI_HII_HANDLE HiiHandle,\r
+ IN EFI_GUID *FormSetGuid\r
+ )\r
+{\r
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;\r
+ UINTN BufferSize;\r
+ UINT32 Offset;\r
+ UINT32 Offset2;\r
+ UINT32 PackageListLength;\r
+ EFI_HII_PACKAGE_HEADER PackageHeader;\r
+ UINT8 *Package;\r
+ UINT8 *OpCodeData;\r
+ EFI_STATUS Status;\r
+ BOOLEAN FindGuid;\r
+\r
+ BufferSize = 0;\r
+ HiiPackageList = NULL;\r
+ FindGuid = FALSE;\r
+ \r
+ Status = mHiiDatabase->ExportPackageLists (mHiiDatabase, HiiHandle, &BufferSize, HiiPackageList);\r
+ if (Status == EFI_BUFFER_TOO_SMALL) {\r
+ HiiPackageList = AllocatePool (BufferSize);\r
+ ASSERT (HiiPackageList != NULL);\r
+\r
+ Status = mHiiDatabase->ExportPackageLists (mHiiDatabase, HiiHandle, &BufferSize, HiiPackageList);\r
+ }\r
+ if (EFI_ERROR (Status) || HiiPackageList == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Get Form package from this HII package List\r
+ //\r
+ Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
+ Offset2 = 0;\r
+ CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32)); \r
+\r
+ while (Offset < PackageListLength) {\r
+ Package = ((UINT8 *) HiiPackageList) + Offset;\r
+ CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
+ Offset += PackageHeader.Length;\r
+\r
+ if (PackageHeader.Type == EFI_HII_PACKAGE_FORMS) {\r
+ //\r
+ // Search FormSet in this Form Package\r
+ //\r
+ Offset2 = sizeof (EFI_HII_PACKAGE_HEADER);\r
+ while (Offset2 < PackageHeader.Length) {\r
+ OpCodeData = Package + Offset2;\r
+\r
+ if (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_FORM_SET_OP) {\r
+ if (CompareGuid (FormSetGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))){\r
+ FindGuid = TRUE;\r
+ break;\r
+ }\r
+ }\r
+\r
+ Offset2 += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r
+ }\r
+ }\r
+ if (FindGuid) {\r
+ break;\r
+ }\r
+ }\r
+\r
+ FreePool (HiiPackageList);\r
+\r
+ return FindGuid;\r
+}\r