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/* SPDX-License-Identifier: GPL-2.0 */
* Copyright 2001-2002 Pavel Machek <>
* Based on code
* Copyright 2001 Patrick Mochel <>
#ifndef _ASM_X86_SUSPEND_32_H
#define _ASM_X86_SUSPEND_32_H
#include <asm/desc.h>
#include <asm/fpu/api.h>
/* image of the saved processor state */
struct saved_context {
* On x86_32, all segment registers except gs are saved at kernel
* entry in pt_regs.
u16 gs;
unsigned long cr0, cr2, cr3, cr4;
u64 misc_enable;
bool misc_enable_saved;
struct saved_msrs saved_msrs;
struct desc_ptr gdt_desc;
struct desc_ptr idt;
u16 ldt;
u16 tss;
unsigned long tr;
unsigned long safety;
unsigned long return_address;
} __attribute__((packed));
/* routines for saving/restoring kernel state */
extern char core_restore_code[];
extern char restore_registers[];
#endif /* _ASM_X86_SUSPEND_32_H */