EmbeddedPkg/ResetRuntimeDxe/reset.c

   1 /** @file
   2
   3   Copyright (c) 2008-2009, Apple Inc. All rights reserved.
   4
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <PiDxe.h>
  16 #include <Protocol/Reset.h>
  17 #include <Library/DebugLib.h>
  18 #include <Library/UefiDriverEntryPoint.h>
  19 #include <Library/UefiBootServicesTableLib.h>
  20 #include <Library/EfiResetSystemLib.h>
  21
  22
  23 /**
  24   Resets the entire platform.
  25
  26   @param  ResetType             The type of reset to perform.
  27   @param  ResetStatus           The status code for the reset.
  28   @param  DataSize              The size, in bytes, of WatchdogData.
  29   @param  ResetData             For a ResetType of EfiResetCold, EfiResetWarm, or
  30                                 EfiResetShutdown the data buffer starts with a Null-terminated
  31                                 Unicode string, optionally followed by additional binary data.
  32
  33 **/
  34 VOID
  35 EFIAPI
  36 ResetSystemViaLib (
  37   IN EFI_RESET_TYPE   ResetType,
  38   IN EFI_STATUS       ResetStatus,
  39   IN UINTN            DataSize,
  40   IN VOID             *ResetData OPTIONAL
  41   )
  42 {
  43   LibResetSystem (ResetType, ResetStatus, DataSize, ResetData);
  44   return;
  45 }
  46
  47
  48
  49 EFI_STATUS
  50 EFIAPI
  51 InitializeReset (
  52   IN EFI_HANDLE        ImageHandle,
  53   IN EFI_SYSTEM_TABLE  *SystemTable
  54   )
  55 {
  56   EFI_STATUS  Status;
  57   EFI_HANDLE  Handle;
  58
  59   LibInitializeResetSystem (ImageHandle, SystemTable);
  60
  61   SystemTable->RuntimeServices->ResetSystem = ResetSystemViaLib;
  62
  63   Handle = NULL;
  64   Status = gBS->InstallMultipleProtocolInterfaces (
  65                   &Handle,
  66                   &gEfiResetArchProtocolGuid,
  67                   NULL,
  68                   NULL
  69                   );
  70   ASSERT_EFI_ERROR (Status);
  71
  72   return Status;
  73 }
  74