/** @file
  boot information boot time changes.
  SMBIOS type 11.
  
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/


#include "MiscSubclassDriver.h"
/**
  This function makes boot time changes to the contents of the
  MiscOemString (Type 11).

  @param  RecordData                 Pointer to copy of RecordData from the Data Table.  

  @retval EFI_SUCCESS                All parameters were valid.
  @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  @retval EFI_INVALID_PARAMETER      Invalid parameter was found.

**/
MISC_SMBIOS_TABLE_FUNCTION(OemString)
{
  UINTN                    OemStrLen;
  CHAR8                    *OptionalStrStart;
  EFI_STATUS               Status;
  EFI_STRING               OemStr;
  STRING_REF               TokenToGet;
  EFI_SMBIOS_HANDLE        SmbiosHandle;
  SMBIOS_TABLE_TYPE11      *SmbiosRecord;

  //
  // First check for invalid parameters.
  //
  if (RecordData == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  TokenToGet = STRING_TOKEN (STR_MISC_OEM_STRING);
  OemStr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  OemStrLen = StrLen(OemStr);
  if (OemStrLen > SMBIOS_STRING_MAX_LENGTH) {
    return EFI_UNSUPPORTED;
  }

  //
  // Two zeros following the last string.
  //
  SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
  ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);

  SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
  SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11);
  //
  // Make handle chosen by smbios protocol.add automatically.
  // 
  SmbiosRecord->Hdr.Handle = 0;  
  SmbiosRecord->StringCount = 1;
  OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  UnicodeStrToAsciiStr(OemStr, OptionalStrStart);

  //
  // Now we have got the full smbios record, call smbios protocol to add this record.
  //
  Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);

  FreePool(SmbiosRecord);
  return Status;
}