audk/Nt32Pkg/MiscSubClassPlatformDxe/MiscBootInformationFunction.c

/** @file
  boot information boot time changes.
  SMBIOS type 32.
  
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
  MiscBootInformation (Type 32).

  @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(BootInformationStatus)
{
  EFI_STATUS                         Status;
  EFI_SMBIOS_HANDLE                  SmbiosHandle;
  SMBIOS_TABLE_TYPE32                *SmbiosRecord;
  EFI_MISC_BOOT_INFORMATION_STATUS*  ForType32InputData;
 
  ForType32InputData = (EFI_MISC_BOOT_INFORMATION_STATUS *)RecordData;

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

  //
  // Two zeros following the last string.
  //
  SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);

  SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_BOOT_INFORMATION;
  SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE32);
  //
  // Make handle chosen by smbios protocol.add automatically.
  //
  SmbiosRecord->Hdr.Handle = 0;  
  SmbiosRecord->BootStatus = (UINT8)ForType32InputData->BootInformationStatus;

  //
  // 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;
}