MdeModulePkg/Core/Pei/Reset/Reset.c

   1 /** @file
   2   Pei Core Reset System Support
   3
   4 Copyright (c) 2006, Intel Corporation
   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 <PeiMain.h>
  16
  17 /**
  18
  19   Core version of the Reset System
  20
  21
  22   @param PeiServices                An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
  23
  24   @retval EFI_NOT_AVAILABLE_YET     PPI not available yet.
  25   @retval EFI_DEVICE_ERROR          Did not reset system.
  26                                     Otherwise, resets the system.
  27
  28 **/
  29 EFI_STATUS
  30 EFIAPI
  31 PeiResetSystem (
  32   IN CONST EFI_PEI_SERVICES         **PeiServices
  33   )
  34 {
  35   EFI_STATUS        Status;
  36   EFI_PEI_RESET_PPI *ResetPpi;
  37
  38   Status = PeiServicesLocatePpi (
  39              &gEfiPeiResetPpiGuid,
  40              0,
  41              NULL,
  42              (VOID **)&ResetPpi
  43              );
  44
  45   //
  46   // LocatePpi returns EFI_NOT_FOUND on error
  47   //
  48   if (!EFI_ERROR (Status)) {
  49     return ResetPpi->ResetSystem (PeiServices);
  50   }
  51   return  EFI_NOT_AVAILABLE_YET;
  52 }
  53