MdeModulePkg/Library/EdkFvbServiceLib/EntryPoint.c

   1 /**@file
   2   Entry Point Source file.
   3
   4   This file contains the user entry point
   5
   6   Copyright (c) 2006 - 2007, Intel Corporation
   7   All rights reserved. This program and the accompanying materials
   8    are licensed and made available under the terms and conditions of the BSD License
   9    which accompanies this distribution. The full text of the license may be found at
  10    http://opensource.org/licenses/bsd-license.php
  11    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13 **/
  14
  15 //
  16 // Include common header file for this module.
  17 //
  18 #include "CommonHeader.h"
  19
  20 //
  21 // Event for Exit Boot Services Callback
  22 //
  23 STATIC EFI_EVENT mExitBootServicesEvent = NULL;
  24
  25 /**
  26   The user Entry Point for module EdkFvbServiceLib. The user code starts with this function.
  27
  28   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  29   @param[in] SystemTable    A pointer to the EFI System Table.
  30
  31   @retval EFI_SUCCESS       The entry point is executed successfully.
  32   @retval other             Some error occurs when executing this entry point.
  33
  34 **/
  35 EFI_STATUS
  36 EFIAPI
  37 InitializeEdkFvbServiceLib(
  38   IN EFI_HANDLE           ImageHandle,
  39   IN EFI_SYSTEM_TABLE     *SystemTable
  40   )
  41 {
  42   EFI_STATUS              Status;
  43
  44   Status = gBS->CreateEvent (
  45                   EVT_SIGNAL_EXIT_BOOT_SERVICES,
  46                   TPL_NOTIFY,
  47                   FvbVirtualAddressChangeNotifyEvent,
  48                   NULL,
  49                   &mExitBootServicesEvent
  50                   );
  51   ASSERT_EFI_ERROR (Status);
  52
  53   return Status;
  54 }