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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>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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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