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   Resets the entire platform.
  18
  19   @param  ResetType             The type of reset to perform.
  20   @param  ResetStatus           The status code for the reset.
  21   @param  DataSize              The size, in bytes, of WatchdogData.
  22   @param  ResetData             For a ResetType of EfiResetCold, EfiResetWarm, or
  23                                 EfiResetShutdown the data buffer starts with a Null-terminated
  24                                 Unicode string, optionally followed by additional binary data.
  25
  26 **/
  27 VOID
  28 EFIAPI
  29 ResetSystemViaLib (
  30   IN EFI_RESET_TYPE  ResetType,
  31   IN EFI_STATUS      ResetStatus,
  32   IN UINTN           DataSize,
  33   IN VOID            *ResetData OPTIONAL
  34   )
  35 {
  36   LibResetSystem (ResetType, ResetStatus, DataSize, ResetData);
  37   return;
  38 }
  39
  40 EFI_STATUS
  41 EFIAPI
  42 InitializeReset (
  43   IN EFI_HANDLE        ImageHandle,
  44   IN EFI_SYSTEM_TABLE  *SystemTable
  45   )
  46 {
  47   EFI_STATUS  Status;
  48   EFI_HANDLE  Handle;
  49
  50   LibInitializeResetSystem (ImageHandle, SystemTable);
  51
  52   SystemTable->RuntimeServices->ResetSystem = ResetSystemViaLib;
  53
  54   Handle = NULL;
  55   Status = gBS->InstallMultipleProtocolInterfaces (
  56                   &Handle,
  57                   &gEfiResetArchProtocolGuid,
  58                   NULL,
  59                   NULL
  60                   );
  61   ASSERT_EFI_ERROR (Status);
  62
  63   return Status;
  64 }