src/include/cpu/intel/em64t101_save_state.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

#ifndef __EM64T101_SAVE_STATE_H__
#define __EM64T101_SAVE_STATE_H__

#include <types.h>
#include <cpu/x86/smm.h>


/* Intel Revision 30101 SMM State-Save Area
 * The following processor architectures use this:
 * - Westmere
 * - SandyBridge
 * - IvyBridge
 * - Haswell
 */
#define SMM_EM64T101_ARCH_OFFSET 0x7c00
#define SMM_EM64T101_SAVE_STATE_OFFSET \
	SMM_SAVE_STATE_BEGIN(SMM_EM64T101_ARCH_OFFSET)
typedef struct {
	u8	reserved0[256];
	u8	reserved1[208];

	u32	gdtr_upper_base;
	u32	ldtr_upper_base;
	u32	idtr_upper_base;

	u32	io_cf8;

	u64	io_rdi;
	u64	io_rip;
	u64	io_rcx;
	u64	io_rsi;

	u8	reserved2[52];
	u32	shutdown_auto_restart;
	u8	reserved3[8];
	u32	cr4;

	u8	reserved4[72];

	u32	gdtr_base;
	u8	reserved5[4];
	u32	idtr_base;
	u8	reserved6[4];
	u32	ldtr_base;

	u8	reserved7[56];
	/* EPTP fields are only on Haswell according to BWGs, but Intel was
	 * wise and reused the same revision number. */
	u64	eptp;
	u32	eptp_en;
	u32	cs_base;
	u8	reserved8[4];
	u32	iedbase;

	u8	reserved9[8];

	u32	smbase;
	u32	smm_revision;

	u16	io_restart;
	u16	autohalt_restart;

	u8	reserved10[24];

	u64	r15;
	u64	r14;
	u64	r13;
	u64	r12;
	u64	r11;
	u64	r10;
	u64	r9;
	u64	r8;

	u64	rax;
	u64	rcx;
	u64	rdx;
	u64	rbx;

	u64	rsp;
	u64	rbp;
	u64	rsi;
	u64	rdi;


	u64	io_mem_addr;
	u32	io_misc_info;

	u32	es_sel;
	u32	cs_sel;
	u32	ss_sel;
	u32	ds_sel;
	u32	fs_sel;
	u32	gs_sel;

	u32	ldtr_sel;
	u32	tr_sel;

	u64	dr7;
	u64	dr6;
	u64	rip;
	u64	efer;
	u64	rflags;

	u64	cr3;
	u64	cr0;
} __packed em64t101_smm_state_save_area_t;

#endif