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