1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
4 * Based on code
5 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
6 */
7#ifndef _ASM_X86_SUSPEND_32_H
8#define _ASM_X86_SUSPEND_32_H
9
10#include <asm/desc.h>
11#include <asm/fpu/api.h>
12
13/* image of the saved processor state */
14struct saved_context {
15	/*
16	 * On x86_32, all segment registers, with the possible exception of
17	 * gs, are saved at kernel entry in pt_regs.
18	 */
19#ifdef CONFIG_X86_32_LAZY_GS
20	u16 gs;
21#endif
22	unsigned long cr0, cr2, cr3, cr4;
23	u64 misc_enable;
24	struct saved_msrs saved_msrs;
25	struct desc_ptr gdt_desc;
26	struct desc_ptr idt;
27	u16 ldt;
28	u16 tss;
29	unsigned long tr;
30	unsigned long safety;
31	unsigned long return_address;
32	bool misc_enable_saved;
33} __attribute__((packed));
34
35/* routines for saving/restoring kernel state */
36extern char core_restore_code[];
37extern char restore_registers[];
38
39#endif /* _ASM_X86_SUSPEND_32_H */
40