IntelFrameworkModulePkg/Universal/BdsDxe/HwErrRecSupport.c

   1 /** @file
   2   Set the level of support for Hardware Error Record Persistence that is
   3   implemented by the platform.
   4
   5 Copyright (c) 2007 - 2018, 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 "HwErrRecSupport.h"
  17
  18 /**
  19   Set the HwErrRecSupport variable contains a binary UINT16 that supplies the
  20   level of support for Hardware Error Record Persistence that is implemented
  21   by the platform.
  22
  23 **/
  24 VOID
  25 InitializeHwErrRecSupport (
  26   VOID
  27   )
  28 {
  29   EFI_STATUS    Status;
  30   UINT16        HardwareErrorRecordLevel;
  31
  32   HardwareErrorRecordLevel = PcdGet16 (PcdHardwareErrorRecordLevel);
  33
  34   if (HardwareErrorRecordLevel != 0) {
  35     //
  36     // If level value equal 0, no need set to 0 to variable area because UEFI specification
  37     // define same behavior between no value or 0 value for L"HwErrRecSupport".
  38     //
  39     Status = gRT->SetVariable (
  40                     L"HwErrRecSupport",
  41                     &gEfiGlobalVariableGuid,
  42                     EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
  43                     sizeof (UINT16),
  44                     &HardwareErrorRecordLevel
  45                     );
  46     ASSERT_EFI_ERROR(Status);
  47   }
  48 }