EmulatorPkg/MiscSubClassPlatformDxe/MiscSystemLanguageStringFunction.c

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