DuetPkg/KbcResetDxe/x64/x64Reset.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   x64Reset.c
  14
  15 Abstract:
  16
  17 --*/
  18
  19 #include "Reset.h"
  20
  21 //
  22 // The handle onto which the Reset Architectural Protocol is installed
  23 //
  24 EFI_HANDLE  mResetHandle = NULL;
  25
  26
  27 EFI_STATUS
  28 EFIAPI
  29 InitializeReset (
  30   IN EFI_HANDLE        ImageHandle,
  31   IN EFI_SYSTEM_TABLE  *SystemTable
  32   )
  33 /*++
  34
  35 Routine Description:
  36
  37   Initialize the state information for the Reset Architectural Protocol
  38
  39 Arguments:
  40
  41   ImageHandle of the loaded driver
  42   Pointer to the System Table
  43
  44 Returns:
  45
  46   Status
  47
  48   EFI_SUCCESS           - thread can be successfully created
  49   EFI_OUT_OF_RESOURCES  - cannot allocate protocol data structure
  50   EFI_DEVICE_ERROR      - cannot create the timer service
  51
  52 --*/
  53 // TODO:    SystemTable - add argument and description to function comment
  54 {
  55   EFI_STATUS  Status;
  56
  57   //
  58   // Make sure the Reset Architectural Protocol is not already installed in the system
  59   //
  60   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);
  61
  62   //
  63   // Hook the runtime service table
  64   //
  65   SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;
  66
  67   //
  68   // Now install the Reset RT AP on a new handle
  69   //
  70   Status = gBS->InstallMultipleProtocolInterfaces (
  71                   &mResetHandle,
  72                   &gEfiResetArchProtocolGuid,
  73                   NULL,
  74                   NULL
  75                   );
  76   ASSERT_EFI_ERROR (Status);
  77
  78   return Status;
  79 }