1 /*++ @file 2 The PCD, gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage, points to a magic page 3 of memory that is like SRAM on an embedded system. This file defines what goes 4 where in the magic page. 5 6 Copyright (c) 2011, Apple Inc. All rights reserved.<BR> 7 This program and the accompanying materials 8 are licensed and made available under the terms and conditions of the BSD License 9 which accompanies this distribution. The full text of the license may be found at 10 http://opensource.org/licenses/bsd-license.php 11 12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 WITHOUT 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 24 typedef 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