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 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "MiscSubclassDriver.h"
  11
  12
  13 /**
  14   This function makes boot time changes to the contents of the
  15   MiscBootInformation (Type 32).
  16
  17   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  18
  19   @retval EFI_SUCCESS                All parameters were valid.
  20   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  21   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  22
  23 **/
  24
  25 MISC_SMBIOS_TABLE_FUNCTION(BootInformationStatus)
  26 {
  27   EFI_STATUS                         Status;
  28   EFI_SMBIOS_HANDLE                  SmbiosHandle;
  29   SMBIOS_TABLE_TYPE32                *SmbiosRecord;
  30   EFI_MISC_BOOT_INFORMATION_STATUS*  ForType32InputData;
  31
  32   ForType32InputData = (EFI_MISC_BOOT_INFORMATION_STATUS *)RecordData;
  33
  34   //
  35   // First check for invalid parameters.
  36   //
  37   if (RecordData == NULL) {
  38     return EFI_INVALID_PARAMETER;
  39   }
  40
  41   //
  42   // Two zeros following the last string.
  43   //
  44   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  45   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  46
  47   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_BOOT_INFORMATION;
  48   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE32);
  49   //
  50   // Make handle chosen by smbios protocol.add automatically.
  51   //
  52   SmbiosRecord->Hdr.Handle = 0;
  53   SmbiosRecord->BootStatus = (UINT8)ForType32InputData->BootInformationStatus;
  54
  55   //
  56   // Now we have got the full smbios record, call smbios protocol to add this record.
  57   //
  58   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  59
  60   FreePool(SmbiosRecord);
  61   return Status;
  62 }