Nt32Pkg/MiscSubClassPlatformDxe/MiscSystemLanguageStringFunction.c

   1 /** @file
   2
   3 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
   4 SPDX-License-Identifier: BSD-2-Clause-Patent
   5
   6 **/
   7
   8 #include "MiscSubclassDriver.h"
   9 /**
  10   This function makes boot time changes to the contents of the
  11   MiscOemString (Type 11).
  12
  13   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  14
  15   @retval EFI_SUCCESS                All parameters were valid.
  16   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  17   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  18
  19 **/
  20 MISC_SMBIOS_TABLE_FUNCTION(SystemLanguageString)
  21 {
  22   EFI_STATUS               Status;
  23   EFI_SMBIOS_HANDLE        SmbiosHandle;
  24   SMBIOS_TABLE_TYPE13      *SmbiosRecord;
  25   UINTN                    StrLeng;
  26   CHAR8                    *OptionalStrStart;
  27   EFI_STRING               Str;
  28   STRING_REF               TokenToGet;
  29
  30
  31   //
  32   // First check for invalid parameters.
  33   //
  34   if (RecordData == NULL) {
  35     return EFI_INVALID_PARAMETER;
  36   }
  37
  38   TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_LANGUAGE_STRING);
  39   Str = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  40   StrLeng = StrLen(Str);
  41   if (StrLeng > SMBIOS_STRING_MAX_LENGTH) {
  42     return EFI_UNSUPPORTED;
  43   }
  44
  45   //
  46   // Two zeros following the last string.
  47   //
  48   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  49   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  50
  51   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_LANGUAGE_INFORMATION;
  52   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
  53   //
  54   // Make handle chosen by smbios protocol.add automatically.
  55   //
  56   SmbiosRecord->Hdr.Handle    = 0;
  57   SmbiosRecord->InstallableLanguages = 1;
  58   SmbiosRecord->Flags   = 1;
  59   SmbiosRecord->CurrentLanguages = 1;
  60   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  61   UnicodeStrToAsciiStr(Str, OptionalStrStart);
  62
  63
  64   //
  65   // Now we have got the full smbios record, call smbios protocol to add this record.
  66   //
  67   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  68
  69   FreePool(SmbiosRecord);
  70   return Status;
  71 }
  72