Nt32Pkg/MiscSubClassPlatformDxe/MiscOemStringFunction.c

   1 /** @file
   2   boot information boot time changes.
   3   SMBIOS type 11.
   4
   5 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10
  11 #include "MiscSubclassDriver.h"
  12 /**
  13   This function makes boot time changes to the contents of the
  14   MiscOemString (Type 11).
  15
  16   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  17
  18   @retval EFI_SUCCESS                All parameters were valid.
  19   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  20   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  21
  22 **/
  23 MISC_SMBIOS_TABLE_FUNCTION(OemString)
  24 {
  25   UINTN                    OemStrLen;
  26   CHAR8                    *OptionalStrStart;
  27   EFI_STATUS               Status;
  28   EFI_STRING               OemStr;
  29   STRING_REF               TokenToGet;
  30   EFI_SMBIOS_HANDLE        SmbiosHandle;
  31   SMBIOS_TABLE_TYPE11      *SmbiosRecord;
  32
  33   //
  34   // First check for invalid parameters.
  35   //
  36   if (RecordData == NULL) {
  37     return EFI_INVALID_PARAMETER;
  38   }
  39
  40   TokenToGet = STRING_TOKEN (STR_MISC_OEM_STRING);
  41   OemStr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  42   OemStrLen = StrLen(OemStr);
  43   if (OemStrLen > SMBIOS_STRING_MAX_LENGTH) {
  44     return EFI_UNSUPPORTED;
  45   }
  46
  47   //
  48   // Two zeros following the last string.
  49   //
  50   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
  51   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
  52
  53   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
  54   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11);
  55   //
  56   // Make handle chosen by smbios protocol.add automatically.
  57   //
  58   SmbiosRecord->Hdr.Handle = 0;
  59   SmbiosRecord->StringCount = 1;
  60   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  61   UnicodeStrToAsciiStr(OemStr, OptionalStrStart);
  62
  63   //
  64   // Now we have got the full smbios record, call smbios protocol to add this record.
  65   //
  66   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  67
  68   FreePool(SmbiosRecord);
  69   return Status;
  70 }