audk/MdePkg/Library/PeiServicesTablePointerLibKr7/PeiServicesTablePointer.c

/** @file
  PEI Services Table Pointer Library implementation for IPF that uses Kernel
  Register 7 to store the pointer.

  Copyright (c) 2006 - 2007, Intel Corporation.<BR>
  All rights reserved. This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>

/**
  The function returns the pointer to PeiServices.

  The function returns the pointer to PeiServices.
  It will ASSERT() if the pointer to PeiServices is NULL.

  @retval  The pointer to PeiServices.

**/
EFI_PEI_SERVICES **
EFIAPI
GetPeiServicesTablePointer (
  VOID
  )
{
  EFI_PEI_SERVICES  **PeiServices;

  PeiServices = (EFI_PEI_SERVICES **)(UINTN)AsmReadKr7 ();
  ASSERT (PeiServices != NULL);
  return PeiServices;
}