1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
5 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
7 #ifndef _ASM_X86_SUSPEND_64_H
8 #define _ASM_X86_SUSPEND_64_H
11 #include <asm/fpu/api.h>
14 * Image of the saved processor state, used by the low level ACPI suspend to
15 * RAM code and by the low level hibernation code.
17 * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
18 * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
19 * still work as required.
21 struct saved_context {
23 u16 ds, es, fs, gs, ss;
24 unsigned long gs_base, gs_kernel_base, fs_base;
25 unsigned long cr0, cr2, cr3, cr4, cr8;
27 bool misc_enable_saved;
28 struct saved_msrs saved_msrs;
30 u16 gdt_pad; /* Unused */
31 struct desc_ptr gdt_desc;
34 unsigned long idt_base;
39 unsigned long return_address;
40 } __attribute__((packed));
42 #define loaddebug(thread,register) \
43 set_debugreg((thread)->debugreg##register, register)
45 /* routines for saving/restoring kernel state */
46 extern char core_restore_code[];
47 extern char restore_registers[];
49 #endif /* _ASM_X86_SUSPEND_64_H */