EmulatorPkg/MiscSubClassPlatformDxe/MiscSystemLanguageStringFunction.c

   1 /** @file
   2   ResetCapabilities.
   3   SMBIOS type 23.
   4
   5   Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "MiscSubClassDriver.h"
  11 /**
  12   This function makes boot time changes to the contents of the
  13   MiscOemString (Type 11).
  14
  15   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  16
  17   @retval EFI_SUCCESS                All parameters were valid.
  18   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  19   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  20
  21 **/
  22 MISC_SMBIOS_TABLE_FUNCTION(SystemLanguageString)
  23 {
  24   EFI_STATUS               Status;
  25   EFI_SMBIOS_HANDLE        SmbiosHandle;
  26   SMBIOS_TABLE_TYPE13      *SmbiosRecord;
  27   UINTN                    StrLeng;
  28   CHAR8                    *OptionalStrStart;
  29   EFI_STRING               Str;
  30   STRING_REF               TokenToGet;
  31
  32
  33   //
  34   // First check for invalid parameters.
  35   //
  36   if (RecordData == NULL) {
  37     return EFI_INVALID_PARAMETER;
  38   }
  39
  40   TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_LANGUAGE_STRING);
  41   Str = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  42   StrLeng = StrLen(Str);
  43   if (StrLeng > SMBIOS_STRING_MAX_LENGTH) {
  44     return EFI_UNSUPPORTED;
  45   }
  46
  47   //
  48   // Two zeros following the last string.
  49   //
  50   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  51   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  52
  53   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_LANGUAGE_INFORMATION;
  54   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
  55   //
  56   // Make handle chosen by smbios protocol.add automatically.
  57   //
  58   SmbiosRecord->Hdr.Handle    = 0;
  59   SmbiosRecord->InstallableLanguages = 1;
  60   SmbiosRecord->Flags   = 1;
  61   SmbiosRecord->CurrentLanguages = 1;
  62   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  63   UnicodeStrToAsciiStr(Str, OptionalStrStart);
  64
  65
  66   //
  67   // Now we have got the full smbios record, call smbios protocol to add this record.
  68   //
  69   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  70
  71   FreePool(SmbiosRecord);
  72   return Status;
  73 }
  74