uefi/linaro-edk2/MdeModulePkg/Include/Guid/AcpiS3Context.h

/** @file
  Definitions for data structures used in S3 resume.

Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>

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.

**/

#ifndef _ACPI_S3_DATA_H_
#define _ACPI_S3_DATA_H_

#include <Library/BaseLib.h>

#define SMM_S3_RESUME_SMM_32 SIGNATURE_64 ('S','M','M','S','3','_','3','2')
#define SMM_S3_RESUME_SMM_64 SIGNATURE_64 ('S','M','M','S','3','_','6','4')

#pragma pack(1)

typedef struct {
  UINT64                Signature;
  EFI_PHYSICAL_ADDRESS  SmmS3ResumeEntryPoint;
  EFI_PHYSICAL_ADDRESS  SmmS3StackBase;
  UINT64                SmmS3StackSize;
  UINT64                SmmS3Cr0;
  UINT64                SmmS3Cr3;
  UINT64                SmmS3Cr4;
  UINT16                ReturnCs;
  EFI_PHYSICAL_ADDRESS  ReturnEntryPoint;
  EFI_PHYSICAL_ADDRESS  ReturnContext1;
  EFI_PHYSICAL_ADDRESS  ReturnContext2;
  EFI_PHYSICAL_ADDRESS  ReturnStackPointer;
  EFI_PHYSICAL_ADDRESS  Smst;
} SMM_S3_RESUME_STATE;


typedef struct {
  EFI_PHYSICAL_ADDRESS  AcpiFacsTable;
  EFI_PHYSICAL_ADDRESS  IdtrProfile;
  EFI_PHYSICAL_ADDRESS  S3NvsPageTableAddress;
  EFI_PHYSICAL_ADDRESS  BootScriptStackBase;
  UINT64                BootScriptStackSize;
  EFI_PHYSICAL_ADDRESS  S3DebugBufferAddress;  
} ACPI_S3_CONTEXT;

typedef struct {
  UINT16                ReturnCs;
  UINT64                ReturnStatus;
  EFI_PHYSICAL_ADDRESS  ReturnEntryPoint;
  EFI_PHYSICAL_ADDRESS  ReturnStackPointer;
  EFI_PHYSICAL_ADDRESS  AsmTransferControl;
  IA32_DESCRIPTOR       Idtr;
} PEI_S3_RESUME_STATE;

#pragma pack()

#define EFI_ACPI_S3_CONTEXT_GUID \
  { \
    0xef98d3a, 0x3e33, 0x497a, {0xa4, 0x1, 0x77, 0xbe, 0x3e, 0xb7, 0x4f, 0x38} \
  }

extern EFI_GUID gEfiAcpiS3ContextGuid;

extern EFI_GUID gEfiAcpiVariableGuid;

#endif