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   EFI_PEI_SERVICES  **PeiServices;
  25
  26   PeiServices = (EFI_PEI_SERVICES **)(UINTN)AsmReadMm7 ();
  27   ASSERT (PeiServices != NULL);
  28   return PeiServices;
  29 }
  30
  31 /**
  32 **/
  33 EFI_STATUS
  34 PeiServicesTablePointerLibConstructor (
  35   IN EFI_FFS_FILE_HEADER  *FfsHeader,
  36   IN EFI_PEI_SERVICES     **PeiServices
  37   )
  38 {
  39   AsmWriteMm7 ((UINT64)(UINTN)PeiServices);
  40   return EFI_SUCCESS;
  41 }