Nt32Pkg/MiscSubClassPlatformDxe/MiscBootInformationFunction.c

   1 /** @file
   2   boot information boot time changes.
   3   SMBIOS type 32.
   4
   5 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
   6 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include "MiscSubclassDriver.h"
  17
  18
  19 /**
  20   This function makes boot time changes to the contents of the
  21   MiscBootInformation (Type 32).
  22
  23   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  24
  25   @retval EFI_SUCCESS                All parameters were valid.
  26   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  27   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  28
  29 **/
  30
  31 MISC_SMBIOS_TABLE_FUNCTION(BootInformationStatus)
  32 {
  33   EFI_STATUS                         Status;
  34   EFI_SMBIOS_HANDLE                  SmbiosHandle;
  35   SMBIOS_TABLE_TYPE32                *SmbiosRecord;
  36   EFI_MISC_BOOT_INFORMATION_STATUS*  ForType32InputData;
  37
  38   ForType32InputData = (EFI_MISC_BOOT_INFORMATION_STATUS *)RecordData;
  39
  40   //
  41   // First check for invalid parameters.
  42   //
  43   if (RecordData == NULL) {
  44     return EFI_INVALID_PARAMETER;
  45   }
  46
  47   //
  48   // Two zeros following the last string.
  49   //
  50   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  51   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  52
  53   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_BOOT_INFORMATION;
  54   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE32);
  55   //
  56   // Make handle chosen by smbios protocol.add automatically.
  57   //
  58   SmbiosRecord->Hdr.Handle = 0;
  59   SmbiosRecord->BootStatus = (UINT8)ForType32InputData->BootInformationStatus;
  60
  61   //
  62   // Now we have got the full smbios record, call smbios protocol to add this record.
  63   //
  64   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  65
  66   FreePool(SmbiosRecord);
  67   return Status;
  68 }