tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
3 * Based on code
4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
5 */
6#ifndef _ASM_X86_SUSPEND_64_H
7#define _ASM_X86_SUSPEND_64_H
8
9#include <asm/desc.h>
10#include <asm/fpu/api.h>
11
12/*
13 * Image of the saved processor state, used by the low level ACPI suspend to
14 * RAM code and by the low level hibernation code.
15 *
16 * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
17 * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
18 * still work as required.
19 */
20struct saved_context {
21 struct pt_regs regs;
22 u16 ds, es, fs, gs, ss;
23 unsigned long gs_base, gs_kernel_base, fs_base;
24 unsigned long cr0, cr2, cr3, cr4, cr8;
25 u64 misc_enable;
26 bool misc_enable_saved;
27 struct saved_msrs saved_msrs;
28 unsigned long efer;
29 u16 gdt_pad; /* Unused */
30 struct desc_ptr gdt_desc;
31 u16 idt_pad;
32 u16 idt_limit;
33 unsigned long idt_base;
34 u16 ldt;
35 u16 tss;
36 unsigned long tr;
37 unsigned long safety;
38 unsigned long return_address;
39} __attribute__((packed));
40
41#define loaddebug(thread,register) \
42 set_debugreg((thread)->debugreg##register, register)
43
44/* routines for saving/restoring kernel state */
45extern int acpi_save_state_mem(void);
46extern char core_restore_code;
47extern char restore_registers;
48
49#endif /* _ASM_X86_SUSPEND_64_H */