Nt32Pkg/MiscSubClassPlatformDxe/MiscBootInformationFunction.c

   1 /*++
   2
   3 Copyright (c) 2009, Intel Corporation. All rights reserved. <BR>
   4 This software and associated documentation (if any) is furnished
   5 under a license and may only be used or copied in accordance
   6 with the terms of the license. Except as permitted by such
   7 license, no part of this software or documentation may be
   8 reproduced, stored in a retrieval system, or transmitted in any
   9 form or by any means without the express written consent of
  10 Intel Corporation.
  11
  12
  13 Module Name:
  14
  15   MiscBootInformationFunction.c
  16
  17 Abstract:
  18
  19   boot information boot time changes.
  20   SMBIOS type 32.
  21
  22 --*/
  23
  24 #include "MiscSubclassDriver.h"
  25
  26
  27 /**
  28   This function makes boot time changes to the contents of the
  29   MiscBootInformation (Type 32).
  30
  31   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  32
  33   @retval EFI_SUCCESS                All parameters were valid.
  34   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  35   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  36
  37 **/
  38
  39 MISC_SMBIOS_TABLE_FUNCTION(BootInformationStatus)
  40 {
  41   EFI_STATUS                         Status;
  42   EFI_SMBIOS_HANDLE                  SmbiosHandle;
  43   SMBIOS_TABLE_TYPE32                *SmbiosRecord;
  44   EFI_MISC_BOOT_INFORMATION_STATUS*  ForType32InputData;
  45
  46   ForType32InputData = (EFI_MISC_BOOT_INFORMATION_STATUS *)RecordData;
  47
  48   //
  49   // First check for invalid parameters.
  50   //
  51   if (RecordData == NULL) {
  52     return EFI_INVALID_PARAMETER;
  53   }
  54
  55   //
  56   // Two zeros following the last string.
  57   //
  58   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  59   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE32) + 1 + 1);
  60
  61   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_BOOT_INFORMATION;
  62   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE32);
  63   //
  64   // Make handle chosen by smbios protocol.add automatically.
  65   //
  66   SmbiosRecord->Hdr.Handle = 0;
  67   SmbiosRecord->BootStatus = (UINT8)ForType32InputData->BootInformationStatus;
  68
  69   //
  70   // Now we have got the full smbios record, call smbios protocol to add this record.
  71   //
  72   SmbiosHandle = 0;
  73   Status = Smbios-> Add(
  74                       Smbios,
  75                       NULL,
  76                       &SmbiosHandle,
  77                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
  78                       );
  79   FreePool(SmbiosRecord);
  80   return Status;
  81 }