Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemLanguageStringFunction.c

   1 /*++
   2
   3 Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13
  14 Module Name:
  15
  16   MiscResetCapabilitiesFunction.c
  17
  18 Abstract:
  19
  20   ResetCapabilities.
  21   SMBIOS type 23.
  22
  23 --*/
  24
  25
  26 #include "CommonHeader.h"
  27
  28 #include "MiscSubclassDriver.h"
  29 /**
  30   This function makes boot time changes to the contents of the
  31   MiscOemString (Type 11).
  32
  33   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  34
  35   @retval EFI_SUCCESS                All parameters were valid.
  36   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  37   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  38
  39 **/
  40
  41 MISC_SMBIOS_TABLE_FUNCTION(SystemLanguageString)
  42 {
  43   EFI_STATUS               Status;
  44   EFI_SMBIOS_HANDLE        SmbiosHandle;
  45   SMBIOS_TABLE_TYPE13      *SmbiosRecord;
  46   UINTN                    StrLeng;
  47   CHAR8                    *OptionalStrStart;
  48   EFI_STRING               Str;
  49   STRING_REF               TokenToGet;
  50
  51
  52   //
  53   // First check for invalid parameters.
  54   //
  55   if (RecordData == NULL) {
  56     return EFI_INVALID_PARAMETER;
  57   }
  58
  59   TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_LANGUAGE_EN_US);
  60   Str = SmbiosMiscGetString (TokenToGet);
  61   StrLeng = StrLen(Str);
  62   if (StrLeng > SMBIOS_STRING_MAX_LENGTH) {
  63     return EFI_UNSUPPORTED;
  64   }
  65
  66   //
  67   // Two zeros following the last string.
  68   //
  69   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  70   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  71
  72   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_LANGUAGE_INFORMATION;
  73   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
  74
  75   //
  76   // Make handle chosen by smbios protocol.add automatically.
  77   //
  78   SmbiosRecord->Hdr.Handle    = 0;
  79   SmbiosRecord->InstallableLanguages = 1;
  80   SmbiosRecord->Flags   = 1;
  81   SmbiosRecord->CurrentLanguages = 1;
  82   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  83   UnicodeStrToAsciiStr(Str, OptionalStrStart);
  84
  85   //
  86   // Now we have got the full smbios record, call smbios protocol to add this record.
  87   //
  88   SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
  89   Status = Smbios-> Add(
  90                       Smbios,
  91                       NULL,
  92                       &SmbiosHandle,
  93                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
  94                       );
  95   FreePool(SmbiosRecord);
  96   return Status;
  97 }
  98