MdePkg/Library/PeiServicesTablePointerLibMm7/PeiServicesTablePointer.c

   1 /** @file
   2   PEI Services Table Pointer Library.
   3
   4   Copyright (c) 2006, Intel Corporation<BR>
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13   Module Name:  PeiServicesTablePointer.c
  14
  15 **/
  16
  17
  18
  19 EFI_PEI_SERVICES **
  20 GetPeiServicesTablePointer (
  21   VOID
  22   )
  23 {
  24   return (EFI_PEI_SERVICES **)(UINTN)AsmReadMm7 ();
  25 }
  26
  27 /**
  28 **/
  29 EFI_STATUS
  30 PeiServicesTablePointerLibConstructor (
  31   IN EFI_FFS_FILE_HEADER  *FfsHeader,
  32   IN EFI_PEI_SERVICES     **PeiServices
  33   )
  34 {
  35   AsmWriteMm7 ((UINT64)(UINTN)PeiServices);
  36   return EFI_SUCCESS;
  37 }