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   Image entry point of Peim.
  18
  19   @param  FfsHeader   Pointer to FFS header the loaded driver.
  20   @param  PeiServices Pointer to the PEI services.
  21
  22   @return  Status returned by entry points of Peims.
  23
  24 **/
  25 EFI_STATUS
  26 EFIAPI
  27 _ModuleEntryPoint (
  28   IN EFI_FFS_FILE_HEADER       *FfsHeader,
  29   IN EFI_PEI_SERVICES          **PeiServices
  30   )
  31 {
  32   if (_gPeimRevision != 0) {
  33     //
  34     // Make sure that the PEI spec revision of the platform is >= PEI spec revision of the driver
  35     //
  36     ASSERT ((*PeiServices)->Hdr.Revision >= _gPeimRevision);
  37   }
  38
  39   //
  40   // Call constructor for all libraries
  41   //
  42   ProcessLibraryConstructorList (FfsHeader, PeiServices);
  43
  44   //
  45   // Call the driver entry point
  46   //
  47   return ProcessModuleEntryPointList (FfsHeader, PeiServices);
  48 }
  49
  50
  51 /**
  52   Wrapper of Peim image entry point.
  53
  54   @param  FfsHeader   Pointer to FFS header the loaded driver.
  55   @param  PeiServices Pointer to the PEI services.
  56
  57   @return  Status returned by entry points of Peims.
  58
  59 **/
  60 EFI_STATUS
  61 EFIAPI
  62 EfiMain (
  63   IN EFI_FFS_FILE_HEADER  *FfsHeader,
  64   IN EFI_PEI_SERVICES     **PeiServices
  65   )
  66 {
  67   return _ModuleEntryPoint (FfsHeader, PeiServices);
  68 }