MdePkg/Library/PeimEntryPoint/PeimEntryPoint.c

   1
   2 /** @file
   3   Entry point to a PEIM.
   4
   5 Copyright (c) 2006, Intel Corporation<BR>
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  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 //
  17 // Include common header file for this module.
  18 //
  19 #include "CommonHeader.h"
  20
  21 /**
  22   Image entry point of Peim.
  23
  24   @param  FfsHeader   Pointer to FFS header the loaded driver.
  25   @param  PeiServices Pointer to the PEI services.
  26
  27   @return  Status returned by entry points of Peims.
  28
  29 **/
  30 EFI_STATUS
  31 EFIAPI
  32 _ModuleEntryPoint (
  33   IN EFI_FFS_FILE_HEADER       *FfsHeader,
  34   IN EFI_PEI_SERVICES          **PeiServices
  35   )
  36 {
  37   if (_gPeimRevision != 0) {
  38     //
  39     // Make sure that the PEI spec revision of the platform is >= PEI spec revision of the driver
  40     //
  41     ASSERT ((*PeiServices)->Hdr.Revision >= _gPeimRevision);
  42   }
  43
  44   //
  45   // Call constructor for all libraries
  46   //
  47   ProcessLibraryConstructorList (FfsHeader, PeiServices);
  48
  49   //
  50   // Call the driver entry point
  51   //
  52   return ProcessModuleEntryPointList (FfsHeader, PeiServices);
  53 }
  54
  55
  56 /**
  57   Wrapper of Peim image entry point.
  58
  59   @param  FfsHeader   Pointer to FFS header the loaded driver.
  60   @param  PeiServices Pointer to the PEI services.
  61
  62   @return  Status returned by entry points of Peims.
  63
  64 **/
  65 EFI_STATUS
  66 EFIAPI
  67 EfiMain (
  68   IN EFI_FFS_FILE_HEADER  *FfsHeader,
  69   IN EFI_PEI_SERVICES     **PeiServices
  70   )
  71 {
  72   return _ModuleEntryPoint (FfsHeader, PeiServices);
  73 }