EmbeddedPkg/ResetRuntimeDxe/reset.c

   1 /** @file
   2
   3   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <PiDxe.h>
  10 #include <Protocol/Reset.h>
  11 #include <Library/DebugLib.h>
  12 #include <Library/UefiDriverEntryPoint.h>
  13 #include <Library/UefiBootServicesTableLib.h>
  14 #include <Library/EfiResetSystemLib.h>
  15
  16
  17 /**
  18   Resets the entire platform.
  19
  20   @param  ResetType             The type of reset to perform.
  21   @param  ResetStatus           The status code for the reset.
  22   @param  DataSize              The size, in bytes, of WatchdogData.
  23   @param  ResetData             For a ResetType of EfiResetCold, EfiResetWarm, or
  24                                 EfiResetShutdown the data buffer starts with a Null-terminated
  25                                 Unicode string, optionally followed by additional binary data.
  26
  27 **/
  28 VOID
  29 EFIAPI
  30 ResetSystemViaLib (
  31   IN EFI_RESET_TYPE   ResetType,
  32   IN EFI_STATUS       ResetStatus,
  33   IN UINTN            DataSize,
  34   IN VOID             *ResetData OPTIONAL
  35   )
  36 {
  37   LibResetSystem (ResetType, ResetStatus, DataSize, ResetData);
  38   return;
  39 }
  40
  41
  42
  43 EFI_STATUS
  44 EFIAPI
  45 InitializeReset (
  46   IN EFI_HANDLE        ImageHandle,
  47   IN EFI_SYSTEM_TABLE  *SystemTable
  48   )
  49 {
  50   EFI_STATUS  Status;
  51   EFI_HANDLE  Handle;
  52
  53   LibInitializeResetSystem (ImageHandle, SystemTable);
  54
  55   SystemTable->RuntimeServices->ResetSystem = ResetSystemViaLib;
  56
  57   Handle = NULL;
  58   Status = gBS->InstallMultipleProtocolInterfaces (
  59                   &Handle,
  60                   &gEfiResetArchProtocolGuid,
  61                   NULL,
  62                   NULL
  63                   );
  64   ASSERT_EFI_ERROR (Status);
  65
  66   return Status;
  67 }
  68