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