MdeModulePkg/Core/Pei/Reset/Reset.c

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   Reset.c
  15
  16 Abstract:
  17
  18   Pei Core Reset System Support
  19
  20 Revision History
  21
  22 --*/
  23
  24 //
  25 // Include common header file for this module.
  26 //
  27 #include "CommonHeader.h"
  28
  29 #include <PeiMain.h>
  30
  31 EFI_STATUS
  32 EFIAPI
  33 PeiResetSystem (
  34   IN EFI_PEI_SERVICES         **PeiServices
  35   )
  36 /*++
  37
  38 Routine Description:
  39
  40   Core version of the Reset System
  41
  42 Arguments:
  43
  44   PeiServices - The PEI core services table.
  45
  46 Returns:
  47
  48   Status  - EFI_NOT_AVAILABLE_YET. PPI not available yet.
  49           - EFI_DEVICE_ERROR.   Did not reset system.
  50
  51   Otherwise, resets the system.
  52
  53 --*/
  54 {
  55   EFI_STATUS        Status;
  56   EFI_PEI_RESET_PPI *ResetPpi;
  57
  58   Status = PeiServicesLocatePpi (
  59              &gEfiPeiResetPpiGuid,
  60              0,
  61              NULL,
  62              (VOID **)&ResetPpi
  63              );
  64
  65   //
  66   // LocatePpi returns EFI_NOT_FOUND on error
  67   //
  68   if (!EFI_ERROR (Status)) {
  69     return ResetPpi->ResetSystem (PeiServices);
  70   }
  71   return  EFI_NOT_AVAILABLE_YET;
  72 }
  73