audk/Nt32Pkg/MiscSubClassPlatformDxe/MiscSystemLanguageStringFun...

73 lines
2.1 KiB
C

/** @file
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "MiscSubclassDriver.h"
/**
This function makes boot time changes to the contents of the
MiscOemString (Type 11).
@param RecordData Pointer to copy of RecordData from the Data Table.
@retval EFI_SUCCESS All parameters were valid.
@retval EFI_UNSUPPORTED Unexpected RecordType value.
@retval EFI_INVALID_PARAMETER Invalid parameter was found.
**/
MISC_SMBIOS_TABLE_FUNCTION(SystemLanguageString)
{
EFI_STATUS Status;
EFI_SMBIOS_HANDLE SmbiosHandle;
SMBIOS_TABLE_TYPE13 *SmbiosRecord;
UINTN StrLeng;
CHAR8 *OptionalStrStart;
EFI_STRING Str;
STRING_REF TokenToGet;
//
// First check for invalid parameters.
//
if (RecordData == NULL) {
return EFI_INVALID_PARAMETER;
}
TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_LANGUAGE_STRING);
Str = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
StrLeng = StrLen(Str);
if (StrLeng > SMBIOS_STRING_MAX_LENGTH) {
return EFI_UNSUPPORTED;
}
//
// Two zeros following the last string.
//
SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_LANGUAGE_INFORMATION;
SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
//
// Make handle chosen by smbios protocol.add automatically.
//
SmbiosRecord->Hdr.Handle = 0;
SmbiosRecord->InstallableLanguages = 1;
SmbiosRecord->Flags = 1;
SmbiosRecord->CurrentLanguages = 1;
OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
UnicodeStrToAsciiStr(Str, OptionalStrStart);
//
// Now we have got the full smbios record, call smbios protocol to add this record.
//
Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
FreePool(SmbiosRecord);
return Status;
}