amd64_save_state.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __AMD64_SAVE_STATE_H__
#define __AMD64_SAVE_STATE_H__
#endif
 
#include <types.h>
#include <cpu/x86/smm.h>
 
/* AMD64 x86 SMM State-Save Area
 * starts @ 0x7e00
 */
#define SMM_AMD64_ARCH_OFFSET 0x7e00
#define SMM_AMD64_SAVE_STATE_OFFSET \
        SMM_SAVE_STATE_BEGIN(SMM_AMD64_ARCH_OFFSET)
typedef struct {
        u16     es_selector;
        u16     es_attributes;
        u32     es_limit;
        u64     es_base;
 
        u16     cs_selector;
        u16     cs_attributcs;
        u32     cs_limit;
        u64     cs_base;
 
        u16     ss_selector;
        u16     ss_attributss;
        u32     ss_limit;
        u64     ss_base;
 
        u16     ds_selector;
        u16     ds_attributds;
        u32     ds_limit;
        u64     ds_base;
 
        u16     fs_selector;
        u16     fs_attributfs;
        u32     fs_limit;
        u64     fs_base;
 
        u16     gs_selector;
        u16     gs_attributgs;
        u32     gs_limit;
        u64     gs_base;
 
        u8      reserved0[4];
        u16     gdtr_limit;
        u8      reserved1[2];
        u64     gdtr_base;
 
        u16     ldtr_selector;
        u16     ldtr_attributes;
        u32     ldtr_limit;
        u64     ldtr_base;
 
        u8      reserved2[4];
        u16     idtr_limit;
        u8      reserved3[2];
        u64     idtr_base;
 
        u16     tr_selector;
        u16     tr_attributes;
        u32     tr_limit;
        u64     tr_base;
 
        u64     io_restart_rip;
        u64     io_restart_rcx;
        u64     io_restart_rsi;
        u64     io_restart_rdi;
        u32     smm_io_trap_offset;
        u32     local_smi_status;
 
        u8      io_restart;
        u8      autohalt_restart;
 
        u8      reserved5[6];
 
        u64     efer;
 
        u8      reserved6[36];
 
        u32     smm_revision;
        u32     smbase;
 
        u8      reserved7[68];
 
        u64     cr4;
        u64     cr3;
        u64     cr0;
        u64     dr7;
        u64     dr6;
 
        u64     rflags;
        u64     rip;
        u64     r15;
        u64     r14;
        u64     r13;
        u64     r12;
        u64     r11;
        u64     r10;
        u64     r9;
        u64     r8;
 
        u64     rdi;
        u64     rsi;
        u64     rpb;
        u64     rsp;
        u64     rbx;
        u64     rdx;
        u64     rcx;
        u64     rax;
} __packed amd64_smm_state_save_area_t;