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gerrit-public.fairphone.software / kernel / msm-4.9 / 0de80bcc2baed116a569c38cbc38c5dcb945d14d / . / include / asm-x86 / suspend_64.h
blob: c505a76bcf6e93862b9e77dcccbe3afa02b14629 [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 */
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame^]6#ifndef __ASM_X86_64_SUSPEND_H
7#define __ASM_X86_64_SUSPEND_H
8
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]9#include <asm/desc.h>
10#include <asm/i387.h>
11
12static inline int
13arch_prepare_suspend(void)
14{
15 return 0;
16}
17
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame^]18/* Image of the saved processor state. If you touch this, fix acpi/wakeup.S. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]19struct saved_context {
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame^]20 struct pt_regs regs;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]21 u16 ds, es, fs, gs, ss;
22 unsigned long gs_base, gs_kernel_base, fs_base;
Pavel Machek8d783b32005-06-25 14:55:14 -0700[diff] [blame]23 unsigned long cr0, cr2, cr3, cr4, cr8;
Vivek Goyal3c321bc2007-05-02 19:27:07 +0200[diff] [blame]24 unsigned long efer;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]25 u16 gdt_pad;
26 u16 gdt_limit;
27 unsigned long gdt_base;
28 u16 idt_pad;
29 u16 idt_limit;
30 unsigned long idt_base;
31 u16 ldt;
32 u16 tss;
33 unsigned long tr;
34 unsigned long safety;
35 unsigned long return_address;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36} __attribute__((packed));
37
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]38#define loaddebug(thread,register) \
Jan Beulich2b514e72006-03-25 16:29:22 +0100[diff] [blame]39 set_debugreg((thread)->debugreg##register, register)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]40
41extern void fix_processor_context(void);
42
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]43/* routines for saving/restoring kernel state */
44extern int acpi_save_state_mem(void);
Rafael J. Wysockid158cbd2007-10-18 03:04:53 -0700[diff] [blame]45extern char core_restore_code;
46extern char restore_registers;
Rafael J. Wysocki0de80bc2007-10-23 22:37:24 +0200[diff] [blame^]47
48#endif /* __ASM_X86_64_SUSPEND_H */