\r
#include "LibraryInternal.h"\r
\r
+extern EFI_HII_DATABASE_PROTOCOL *gIfrLibHiiDatabase;\r
+\r
/**\r
Get the specified package from a package list based on an index.\r
The Buffer on output is updated to point to a package header in\r
PackageHeader.Length = 0;\r
PackageHeader.Type = 0;\r
\r
- ASSERT(HiiPackageList != NULL);\r
+ ASSERT (HiiPackageList != NULL);\r
\r
if ((BufferLen == NULL) || (Buffer == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
Package = NULL;\r
Index = 0;\r
Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
- CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32));\r
+ PackageListLength = ReadUnaligned32 (&HiiPackageList->PackageLength);\r
while (Offset < PackageListLength) {\r
Package = (EFI_HII_PACKAGE_HEADER *) (((UINT8 *) HiiPackageList) + Offset);\r
CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
\r
/**\r
This is the internal worker function to update the data in\r
- a form specified by FormSetGuid, \r
+ a form specified by FormSetGuid, FormId and Label.\r
\r
@param FormSetGuid The optional Formset GUID.\r
- @param FormId The form ID>\r
+ @param FormId The Form ID.\r
@param Package The package header.\r
@param PackageLength The package length.\r
@param Label The label for the update.\r
switch (IfrOpHdr->OpCode) {\r
case EFI_IFR_FORM_SET_OP :\r
if (FormSetGuid != NULL) {\r
- if (CompareMem (&((EFI_IFR_FORM_SET *) IfrOpHdr)->Guid, FormSetGuid, sizeof (EFI_GUID)) == 0) {\r
+ if (CompareGuid((GUID *)(VOID *)&((EFI_IFR_FORM_SET *) IfrOpHdr)->Guid, FormSetGuid)) {\r
GetFormSet = TRUE;\r
}\r
}\r
}\r
\r
ExtendOpCode = ((EFI_IFR_GUID_LABEL *) IfrOpHdr)->ExtendOpCode;\r
- CopyMem (&LabelNumber, &((EFI_IFR_GUID_LABEL *)IfrOpHdr)->Number, sizeof (UINT16));\r
- if ((ExtendOpCode != EFI_IFR_EXTEND_OP_LABEL) || (LabelNumber != Label)) {\r
+ LabelNumber = ReadUnaligned16 ((UINT16 *)(VOID *)&((EFI_IFR_GUID_LABEL *)IfrOpHdr)->Number);\r
+ if ((ExtendOpCode != EFI_IFR_EXTEND_OP_LABEL) || (LabelNumber != Label) \r
+ || !CompareGuid ((EFI_GUID *)(UINTN)(&((EFI_IFR_GUID_LABEL *)IfrOpHdr)->Guid), &gEfiIfrTianoGuid)) {\r
//\r
// Go to the next Op-Code\r
//\r
IfrOpHdr = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (IfrOpHdr) + IfrOpHdr->Length);\r
if (IfrOpHdr->OpCode == EFI_IFR_GUID_OP) {\r
ExtendOpCode = ((EFI_IFR_GUID_LABEL *) IfrOpHdr)->ExtendOpCode;\r
- if (ExtendOpCode == EFI_IFR_EXTEND_OP_LABEL) {\r
+ if ((ExtendOpCode == EFI_IFR_EXTEND_OP_LABEL) && CompareGuid ((EFI_GUID *)(UINTN)(&((EFI_IFR_GUID_LABEL *)IfrOpHdr)->Guid), &gEfiIfrTianoGuid)) {\r
break;\r
}\r
}\r
\r
Fail:\r
if (!Updated) {\r
- gBS->FreePool (*TempBuffer);\r
+ FreePool (*TempBuffer);\r
*TempBufferSize = 0;\r
return EFI_NOT_FOUND;\r
}\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ This function initialize the data structure for dynamic opcode.\r
+\r
+ @param UpdateData The adding data;\r
+ @param BufferSize Length of the buffer to fill dynamic opcodes.\r
+\r
+ @retval EFI_SUCCESS Update data is initialized.\r
+ @retval EFI_INVALID_PARAMETER UpdateData is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES No enough memory to allocate.\r
+\r
+**/\r
+EFI_STATUS\r
+IfrLibInitUpdateData (\r
+ IN OUT EFI_HII_UPDATE_DATA *UpdateData,\r
+ IN UINT32 BufferSize\r
+ )\r
+{\r
+ ASSERT (UpdateData != NULL);\r
+\r
+ UpdateData->BufferSize = BufferSize;\r
+ UpdateData->Offset = 0;\r
+ UpdateData->Data = AllocatePool (BufferSize);\r
+\r
+ return (UpdateData->Data != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\r
+\r
+ This function free the resource of update data.\r
+\r
+ @param UpdateData The adding data;\r
+\r
+**/\r
+VOID\r
+IfrLibFreeUpdateData (\r
+ IN EFI_HII_UPDATE_DATA *UpdateData\r
+ )\r
+{\r
+ ASSERT (UpdateData != NULL);\r
+ \r
+ FreePool (UpdateData->Data);\r
+ UpdateData->Data = NULL;\r
+\r
+}\r
\r
/**\r
This function allows the caller to update a form that has\r
BufferSize = 0;\r
HiiPackageList = NULL;\r
Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);\r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- HiiPackageList = AllocatePool (BufferSize);\r
- ASSERT (HiiPackageList != NULL);\r
+ //\r
+ // Handle is a invalid handle. Check if Handle is corrupted.\r
+ //\r
+ ASSERT (Status != EFI_NOT_FOUND);\r
+ //\r
+ // The return status should always be EFI_BUFFER_TOO_SMALL as input buffer's size is 0.\r
+ //\r
+ ASSERT (Status == EFI_BUFFER_TOO_SMALL);\r
+ HiiPackageList = AllocatePool (BufferSize);\r
+ ASSERT (HiiPackageList != NULL);\r
\r
- Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);\r
- if (EFI_ERROR (Status)) {\r
- gBS->FreePool (HiiPackageList);\r
- return Status;\r
- }\r
+ Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (HiiPackageList);\r
+ return Status;\r
}\r
\r
//\r
Status = GetPackageDataFromPackageList (HiiPackageList, Index, &PackageLength, &Package);\r
if (Status == EFI_SUCCESS) {\r
CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
- if ((PackageHeader.Type == EFI_HII_PACKAGE_FORM) && !Updated) {\r
+ if ((PackageHeader.Type == EFI_HII_PACKAGE_FORMS) && !Updated) {\r
Status = UpdateFormPackageData (FormSetGuid, FormId, Package, PackageLength, Label, Insert, Data, (UINT8 **)&TempBuffer, &TempBufferSize);\r
if (!EFI_ERROR(Status)) {\r
if (FormSetGuid == NULL) {\r
}\r
CopyMem (UpdateBufferPos, TempBuffer, TempBufferSize);\r
UpdateBufferPos += TempBufferSize;\r
- gBS->FreePool (TempBuffer);\r
+ FreePool (TempBuffer);\r
continue;\r
}\r
}\r
} else if (Status == EFI_NOT_FOUND) {\r
break;\r
} else {\r
- gBS->FreePool (HiiPackageList);\r
+ FreePool (HiiPackageList);\r
return Status;\r
}\r
}\r
// Update package list length\r
//\r
BufferSize = UpdateBufferPos - (UINT8 *) UpdateBuffer;\r
- CopyMem (&UpdateBuffer->PackageLength, &BufferSize, sizeof (UINT32));\r
+ WriteUnaligned32 (&UpdateBuffer->PackageLength, (UINT32)BufferSize);\r
\r
- gBS->FreePool (HiiPackageList);\r
+ FreePool (HiiPackageList);\r
\r
return HiiDatabase->UpdatePackageList (HiiDatabase, Handle, UpdateBuffer);\r
}\r
\r
\r
/**\r
- Configure the buffer accrording to ConfigBody strings.\r
+ Configure the buffer accrording to ConfigBody strings in the format of\r
+ <Length:4 bytes>, <Offset: 2 bytes>, <Width:2 bytes>, <Data:n bytes>.\r
+ This ConfigBody strings is generated by UEFI VfrCompiler for the default\r
+ values in a Form Set. The name of the ConfigBody strings is VfrMyIfrNVDataDefault0000\r
+ constructed following this rule: \r
+ "Vfr" + varstore.name + "Default" + defaultstore.attributes.\r
+ Check the generated C file in Output for details.\r
\r
@param Buffer The start address of buffer.\r
@param BufferSize The size of buffer.\r
VA_START (Args, Number);\r
for (Index = 0; Index < Number; Index++) {\r
BufCfgArray = (UINT8 *) VA_ARG (Args, VOID *);\r
- CopyMem (&TotalLen, BufCfgArray, sizeof (UINT32));\r
+ TotalLen = ReadUnaligned32 ((UINT32 *)BufCfgArray);\r
BufferPos = BufCfgArray + sizeof (UINT32);\r
\r
while ((UINT32)(BufferPos - BufCfgArray) < TotalLen) {\r
- CopyMem (&Offset, BufferPos, sizeof (UINT16));\r
+ Offset = ReadUnaligned16 ((UINT16 *)BufferPos);\r
BufferPos += sizeof (UINT16);\r
- CopyMem (&Width, BufferPos, sizeof (UINT16));\r
+ Width = ReadUnaligned16 ((UINT16 *)BufferPos);\r
BufferPos += sizeof (UINT16);\r
Value = BufferPos;\r
BufferPos += Width;\r
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