MdeModulePkg/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 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "HwErrRecSupport.h"
  11
  12 /**
  13   Set the HwErrRecSupport variable contains a binary UINT16 that supplies the
  14   level of support for Hardware Error Record Persistence that is implemented
  15   by the platform.
  16
  17 **/
  18 VOID
  19 InitializeHwErrRecSupport (
  20   VOID
  21   )
  22 {
  23   EFI_STATUS    Status;
  24   UINT16        HardwareErrorRecordLevel;
  25
  26   HardwareErrorRecordLevel = PcdGet16 (PcdHardwareErrorRecordLevel);
  27
  28   if (HardwareErrorRecordLevel != 0) {
  29     //
  30     // If level value equal 0, no need set to 0 to variable area because UEFI specification
  31     // define same behavior between no value or 0 value for L"HwErrRecSupport".
  32     //
  33     Status = gRT->SetVariable (
  34                     L"HwErrRecSupport",
  35                     &gEfiGlobalVariableGuid,
  36                     EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
  37                     sizeof (UINT16),
  38                     &HardwareErrorRecordLevel
  39                     );
  40     ASSERT_EFI_ERROR(Status);
  41   }
  42 }