QuarkPlatformPkg/Platform/Dxe/SmbiosMiscDxe/MiscOemStringFunction.c

   1 /** @file
   2 boot information boot time changes.
   3 SMBIOS type 11.
   4
   5 Copyright (c) 2013-2016 Intel Corporation.
   6
   7 This program and the accompanying materials
   8 are licensed and made available under the terms and conditions of the BSD License
   9 which accompanies this distribution.  The full text of the license may be found at
  10 http://opensource.org/licenses/bsd-license.php
  11
  12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17
  18 #include "CommonHeader.h"
  19 #include "SmbiosMisc.h"
  20
  21 /**
  22   This function makes boot time changes to the contents of the
  23   MiscOemString (Type 11).
  24
  25   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  26
  27   @retval EFI_SUCCESS                All parameters were valid.
  28   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  29   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  30
  31 **/
  32 MISC_SMBIOS_TABLE_FUNCTION(MiscOemString)
  33 {
  34   UINTN                    OemStrLen;
  35   CHAR8                    *OptionalStrStart;
  36   EFI_STATUS               Status;
  37   EFI_STRING               OemStr;
  38   STRING_REF               TokenToGet;
  39   EFI_SMBIOS_HANDLE        SmbiosHandle;
  40   SMBIOS_TABLE_TYPE11      *SmbiosRecord;
  41
  42   //
  43   // First check for invalid parameters.
  44   //
  45   if (RecordData == NULL) {
  46     return EFI_INVALID_PARAMETER;
  47   }
  48
  49   TokenToGet = STRING_TOKEN (STR_MISC_OEM_EN_US);
  50   OemStr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  51   OemStrLen = StrLen(OemStr);
  52   if (OemStrLen > SMBIOS_STRING_MAX_LENGTH) {
  53     return EFI_UNSUPPORTED;
  54   }
  55
  56   //
  57   // Two zeros following the last string.
  58   //
  59   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
  60   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
  61
  62   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
  63   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11);
  64   //
  65   // Make handle chosen by smbios protocol.add automatically.
  66   //
  67   SmbiosRecord->Hdr.Handle = 0;
  68   SmbiosRecord->StringCount = 1;
  69   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  70   UnicodeStrToAsciiStr(OemStr, OptionalStrStart);
  71
  72   //
  73   // Now we have got the full smbios record, call smbios protocol to add this record.
  74   //
  75   SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
  76   Status = Smbios-> Add(
  77                       Smbios,
  78                       NULL,
  79                       &SmbiosHandle,
  80                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
  81                       );
  82   FreePool(SmbiosRecord);
  83   return Status;
  84 }