MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleReset.c

   1 /** @file
   2   Default implementation of architecture specific routines related to
   3   PersistAcrossReset capsules
   4
   5   Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
   6
   7   This program and the accompanying materials are licensed and made available
   8   under the terms and conditions of the BSD License which accompanies this
   9   distribution.  The full text of the license may be found at
  10   http://opensource.org/licenses/bsd-license.php
  11
  12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #include "CapsuleService.h"
  18
  19 /**
  20   Whether the platform supports capsules that persist across reset. Note that
  21   some platforms only support such capsules at boot time.
  22
  23   @return TRUE  if a PersistAcrossReset capsule may be passed to UpdateCapsule()
  24                 at this time
  25           FALSE otherwise
  26 **/
  27 BOOLEAN
  28 IsPersistAcrossResetCapsuleSupported (
  29   VOID
  30   )
  31 {
  32   return FeaturePcdGet (PcdSupportUpdateCapsuleReset);
  33 }
  34
  35 /**
  36   Writes Back a range of data cache lines covering a set of capsules in memory.
  37
  38   Writes Back the data cache lines specified by ScatterGatherList.
  39
  40   @param  ScatterGatherList Physical address of the data structure that
  41                             describes a set of capsules in memory
  42
  43 **/
  44 VOID
  45 CapsuleCacheWriteBack (
  46   IN  EFI_PHYSICAL_ADDRESS    ScatterGatherList
  47   )
  48 {
  49 }