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gerrit-public.fairphone.software / kernel / msm / 95b6886526bb510b8370b625a49bc0ab3b8ff10f / . / arch / x86 / include / asm / suspend_64.h
blob: 09b0bf104156579ae49f72b17c603befcf2db5a6 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
3 * Based on code
4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
5 */
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame]6#ifndef _ASM_X86_SUSPEND_64_H
7#define _ASM_X86_SUSPEND_64_H
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame]8
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]9#include <asm/desc.h>
10#include <asm/i387.h>
11
Rafael J. Wysocki5c9c9be2008-01-30 13:30:04 +0100[diff] [blame]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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20struct saved_context {
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame]21 struct pt_regs regs;
Joe Perches1b17fce2008-03-23 01:03:36 -0700[diff] [blame]22 u16 ds, es, fs, gs, ss;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]23 unsigned long gs_base, gs_kernel_base, fs_base;
Pavel Machek8d783b32005-06-25 14:55:14 -0700[diff] [blame]24 unsigned long cr0, cr2, cr3, cr4, cr8;
Ondrej Zary85a0e752010-06-08 00:32:49 +0200[diff] [blame]25 u64 misc_enable;
26 bool misc_enable_saved;
Vivek Goyal3c321bc2007-05-02 19:27:07 +0200[diff] [blame]27 unsigned long efer;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]28 u16 gdt_pad;
29 u16 gdt_limit;
30 unsigned long gdt_base;
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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39} __attribute__((packed));
40
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]41#define loaddebug(thread,register) \
Jan Beulich2b514e72006-03-25 16:29:22 +0100[diff] [blame]42 set_debugreg((thread)->debugreg##register, register)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]43
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]44/* routines for saving/restoring kernel state */
45extern int acpi_save_state_mem(void);
Rafael J. Wysockid158cbd2007-10-18 03:04:53 -0700[diff] [blame]46extern char core_restore_code;
47extern char restore_registers;
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame]48
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame]49#endif /* _ASM_X86_SUSPEND_64_H */