PcAtChipsetPkg/KbcResetDxe/ResetEntry.c

   1 /*++
   2
   3 Copyright (c) 2009, 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
  13
  14 --*/
  15
  16 #include "Reset.h"
  17
  18 //
  19 // The handle onto which the Reset Architectural Protocol is installed
  20 //
  21 EFI_HANDLE  mResetHandle = NULL;
  22
  23
  24 EFI_STATUS
  25 EFIAPI
  26 InitializeReset (
  27   IN EFI_HANDLE        ImageHandle,
  28   IN EFI_SYSTEM_TABLE  *SystemTable
  29   )
  30 /*++
  31
  32 Routine Description:
  33
  34   Initialize the state information for the Reset Architectural Protocol
  35
  36 Arguments:
  37
  38   ImageHandle of the loaded driver
  39   Pointer to the System Table
  40
  41 Returns:
  42
  43   Status
  44
  45   EFI_SUCCESS           - thread can be successfully created
  46   EFI_OUT_OF_RESOURCES  - cannot allocate protocol data structure
  47   EFI_DEVICE_ERROR      - cannot create the timer service
  48
  49 --*/
  50 // TODO:    SystemTable - add argument and description to function comment
  51 {
  52   EFI_STATUS  Status;
  53
  54   //
  55   // Make sure the Reset Architectural Protocol is not already installed in the system
  56   //
  57   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);
  58
  59   //
  60   // Hook the runtime service table
  61   //
  62   SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;
  63
  64   //
  65   // Now install the Reset RT AP on a new handle
  66   //
  67   Status = gBS->InstallMultipleProtocolInterfaces (
  68                   &mResetHandle,
  69                   &gEfiResetArchProtocolGuid,
  70                   NULL,
  71                   NULL
  72                   );
  73   ASSERT_EFI_ERROR (Status);
  74
  75   return Status;
  76 }