audk/UnixPkg/MiscSubClassPlatformDxe/MiscSystemLanguageStringFun...

93 lines
2.7 KiB
C

/*++
Copyright (c) 2009, Intel Corporation. All rights reserved. <BR>
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
Module Name:
MiscResetCapabilitiesFunction.c
Abstract:
ResetCapabilities.
SMBIOS type 23.
--*/
#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.
//
SmbiosHandle = 0;
Status = Smbios-> Add(
Smbios,
NULL,
&SmbiosHandle,
(EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
);
FreePool(SmbiosRecord);
return Status;
}