Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemLanguageStringFunction.c

   1 /*++
   2
   3 Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11   MiscResetCapabilitiesFunction.c
  12
  13 Abstract:
  14
  15   ResetCapabilities.
  16   SMBIOS type 23.
  17
  18 --*/
  19
  20
  21 #include "CommonHeader.h"
  22
  23 #include "MiscSubclassDriver.h"
  24 /**
  25   This function makes boot time changes to the contents of the
  26   MiscOemString (Type 11).
  27
  28   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  29
  30   @retval EFI_SUCCESS                All parameters were valid.
  31   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  32   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  33
  34 **/
  35
  36 MISC_SMBIOS_TABLE_FUNCTION(SystemLanguageString)
  37 {
  38   EFI_STATUS               Status;
  39   EFI_SMBIOS_HANDLE        SmbiosHandle;
  40   SMBIOS_TABLE_TYPE13      *SmbiosRecord;
  41   UINTN                    StrLeng;
  42   CHAR8                    *OptionalStrStart;
  43   EFI_STRING               Str;
  44   STRING_REF               TokenToGet;
  45
  46
  47   //
  48   // First check for invalid parameters.
  49   //
  50   if (RecordData == NULL) {
  51     return EFI_INVALID_PARAMETER;
  52   }
  53
  54   TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_LANGUAGE_EN_US);
  55   Str = SmbiosMiscGetString (TokenToGet);
  56   StrLeng = StrLen(Str);
  57   if (StrLeng > SMBIOS_STRING_MAX_LENGTH) {
  58     return EFI_UNSUPPORTED;
  59   }
  60
  61   //
  62   // Two zeros following the last string.
  63   //
  64   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  65   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  66
  67   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_LANGUAGE_INFORMATION;
  68   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
  69
  70   //
  71   // Make handle chosen by smbios protocol.add automatically.
  72   //
  73   SmbiosRecord->Hdr.Handle    = 0;
  74   SmbiosRecord->InstallableLanguages = 1;
  75   SmbiosRecord->Flags   = 1;
  76   SmbiosRecord->CurrentLanguages = 1;
  77   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  78   UnicodeStrToAsciiStr(Str, OptionalStrStart);
  79
  80   //
  81   // Now we have got the full smbios record, call smbios protocol to add this record.
  82   //
  83   SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
  84   Status = Smbios-> Add(
  85                       Smbios,
  86                       NULL,
  87                       &SmbiosHandle,
  88                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
  89                       );
  90   FreePool(SmbiosRecord);
  91   return Status;
  92 }
  93