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/** @file
Support for S3 boot script lib. This file defined some internal macro and internal
data structure
Copyright (c) 2006 - 2016, 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 __INTERNAL_BOOT_SCRIPT_LIB__
#define __INTERNAL_BOOT_SCRIPT_LIB__
#include <PiDxe.h>
#include <Guid/EventGroup.h>
#include <Protocol/SmmBase2.h>
#include <Protocol/DxeSmmReadyToLock.h>
#include <Protocol/SmmReadyToLock.h>
#include <Protocol/SmmExitBootServices.h>
#include <Protocol/SmmLegacyBoot.h>
#include <Library/S3BootScriptLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/PcdLib.h>
#include <Library/SmbusLib.h>
#include <Library/IoLib.h>
#include <Library/PciSegmentLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/TimerLib.h>
#include <Library/UefiLib.h>
#include <Library/LockBoxLib.h>
#include "BootScriptInternalFormat.h"
#define MAX_IO_ADDRESS 0xFFFF
//
// Macro to convert a UEFI PCI address + segment to a PCI Segment Library PCI address
//
#define PCI_ADDRESS_ENCODE(S, A) PCI_SEGMENT_LIB_ADDRESS( \
S, \
((((UINTN)(A)) & 0xff000000) >> 24), \
((((UINTN)(A)) & 0x00ff0000) >> 16), \
((((UINTN)(A)) & 0xff00) >> 8), \
((RShiftU64 ((A), 32) & 0xfff) | ((A) & 0xff)) \
)
typedef union {
UINT8 volatile *Buf;
UINT8 volatile *Uint8;
UINT16 volatile *Uint16;
UINT32 volatile *Uint32;
UINT64 volatile *Uint64;
UINTN volatile Uint;
} PTR;
// Minimum and maximum length for SMBus bus block protocols defined in SMBus spec 2.0.
//
#define MIN_SMBUS_BLOCK_LEN 1
#define MAX_SMBUS_BLOCK_LEN 32
//
// The boot script private data.
//
typedef struct {
UINT8 *TableBase;
UINT32 TableLength; // Record the actual memory length
UINT16 TableMemoryPageNumber; // Record the page number Allocated for the table
BOOLEAN InSmm; // Record if this library is in SMM.
BOOLEAN AtRuntime; // Record if current state is after SmmExitBootServices or SmmLegacyBoot.
UINT32 BootTimeScriptLength; // Maintain boot time script length in LockBox after SmmReadyToLock in SMM.
BOOLEAN SmmLocked; // Record if current state is after SmmReadyToLock
BOOLEAN BackFromS3; // Indicate that the system is back from S3.
} SCRIPT_TABLE_PRIVATE_DATA;
typedef
EFI_STATUS
(EFIAPI *DISPATCH_ENTRYPOINT_FUNC) (
IN EFI_HANDLE ImageHandle,
IN VOID *Context
);
extern SCRIPT_TABLE_PRIVATE_DATA *mS3BootScriptTablePtr;
//
// Define Opcode for Label which is implementation specific and no standard spec define.
//
#define S3_BOOT_SCRIPT_LIB_LABEL_OPCODE 0xFE
///
/// The opcode indicate the start of the boot script table.
///
#define S3_BOOT_SCRIPT_LIB_TABLE_OPCODE 0xAA
///
/// The opcode indicate the end of the boot script table.
///
#define S3_BOOT_SCRIPT_LIB_TERMINATE_OPCODE 0xFF
#endif //__INTERNAL_BOOT_SCRIPT_LIB__
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