Nt32Pkg/MiscSubClassPlatformDxe/MiscSystemLanguageStringFunction.c

   1 /*++
   2
   3 Copyright (c) 2009, Intel Corporation. All rights reserved. <BR>
   4 This software and associated documentation (if any) is furnished
   5 under a license and may only be used or copied in accordance
   6 with the terms of the license. Except as permitted by such
   7 license, no part of this software or documentation may be
   8 reproduced, stored in a retrieval system, or transmitted in any
   9 form or by any means without the express written consent of
  10 Intel Corporation.
  11
  12 Module Name:
  13
  14   MiscResetCapabilitiesFunction.c
  15
  16 Abstract:
  17
  18   ResetCapabilities.
  19   SMBIOS type 23.
  20
  21 --*/
  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 MISC_SMBIOS_TABLE_FUNCTION(SystemLanguageString)
  36 {
  37   EFI_STATUS               Status;
  38   EFI_SMBIOS_HANDLE        SmbiosHandle;
  39   SMBIOS_TABLE_TYPE13      *SmbiosRecord;
  40   UINTN                    StrLeng;
  41   CHAR8                    *OptionalStrStart;
  42   EFI_STRING               Str;
  43   STRING_REF               TokenToGet;
  44
  45
  46   //
  47   // First check for invalid parameters.
  48   //
  49   if (RecordData == NULL) {
  50     return EFI_INVALID_PARAMETER;
  51   }
  52
  53   TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_LANGUAGE_STRING);
  54   Str = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  55   StrLeng = StrLen(Str);
  56   if (StrLeng > SMBIOS_STRING_MAX_LENGTH) {
  57     return EFI_UNSUPPORTED;
  58   }
  59
  60   //
  61   // Two zeros following the last string.
  62   //
  63   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  64   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE13) + StrLeng + 1 + 1);
  65
  66   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_LANGUAGE_INFORMATION;
  67   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
  68   //
  69   // Make handle chosen by smbios protocol.add automatically.
  70   //
  71   SmbiosRecord->Hdr.Handle    = 0;
  72   SmbiosRecord->InstallableLanguages = 1;
  73   SmbiosRecord->Flags   = 1;
  74   SmbiosRecord->CurrentLanguages = 1;
  75   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  76   UnicodeStrToAsciiStr(Str, OptionalStrStart);
  77
  78
  79   //
  80   // Now we have got the full smbios record, call smbios protocol to add this record.
  81   //
  82   SmbiosHandle = 0;
  83   Status = Smbios-> Add(
  84                       Smbios,
  85                       NULL,
  86                       &SmbiosHandle,
  87                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
  88                       );
  89   FreePool(SmbiosRecord);
  90   return Status;
  91 }
  92