1/*++ @file 2The PCD, gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage, points to a magic page 3of memory that is like SRAM on an embedded system. This file defines what goes 4where in the magic page. 5 6Copyright (c) 2011, Apple Inc. All rights reserved.<BR> 7This program and the accompanying materials 8are licensed and made available under the terms and conditions of the BSD License 9which accompanies this distribution. The full text of the license may be found at 10http://opensource.org/licenses/bsd-license.php 11 12THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 15**/ 16 17#ifndef __EMU_MAGIC_PAGE_LIB_H__ 18#define __EMU_MAGIC_PAGE_LIB_H__ 19 20#include <PiPei.h> 21#include <Library/PcdLib.h> 22#include <Protocol/EmuThunk.h> 23 24typedef struct { 25 // Used by PEI Core and PEIMs to store the PEI Services pointer. 26 // Privilege issues prevent using the PI mechanism in the emulator. 27 CONST EFI_PEI_SERVICES **PeiServicesTablePointer; 28 29 // Used by SecPeiServicesLib 30 EFI_PEI_PPI_DESCRIPTOR *PpiList; 31 32 // Needed by PEI PEI PeCoffLoaderExtraActionLib 33 EMU_THUNK_PROTOCOL *Thunk; 34} EMU_MAGIC_PAGE_LAYOUT; 35 36#define EMU_MAGIC_PAGE() ((EMU_MAGIC_PAGE_LAYOUT *)((UINTN)PcdGet64 (PcdPeiServicesTablePage))) 37 38#endif 39