suspend_32.h

 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#include <asm/msr.h>
13
14/* image of the saved processor state */
15struct saved_context {
16	unsigned long cr0, cr2, cr3, cr4;
17	u64 misc_enable;
18	struct saved_msrs saved_msrs;
19	struct desc_ptr gdt_desc;
20	struct desc_ptr idt;
21	u16 ldt;
22	u16 tss;
23	unsigned long tr;
24	unsigned long safety;
25	unsigned long return_address;
26	/*
27	 * On x86_32, all segment registers except gs are saved at kernel
28	 * entry in pt_regs.
29	 */
30	u16 gs;
31	bool misc_enable_saved;
32} __attribute__((packed));
33
34/* routines for saving/restoring kernel state */
35extern char core_restore_code[];
36extern char restore_registers[];
37
38#endif /* _ASM_X86_SUSPEND_32_H */