diff options
Diffstat (limited to 'arch/x86/include/asm/suspend_64.h')
-rw-r--r-- | arch/x86/include/asm/suspend_64.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h new file mode 100644 index 000000000000..06284f42b759 --- /dev/null +++ b/arch/x86/include/asm/suspend_64.h | |||
@@ -0,0 +1,52 @@ | |||
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/i387.h> | ||
11 | |||
12 | static inline int arch_prepare_suspend(void) | ||
13 | { | ||
14 | return 0; | ||
15 | } | ||
16 | |||
17 | /* | ||
18 | * Image of the saved processor state, used by the low level ACPI suspend to | ||
19 | * RAM code and by the low level hibernation code. | ||
20 | * | ||
21 | * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that | ||
22 | * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c, | ||
23 | * still work as required. | ||
24 | */ | ||
25 | struct saved_context { | ||
26 | struct pt_regs regs; | ||
27 | u16 ds, es, fs, gs, ss; | ||
28 | unsigned long gs_base, gs_kernel_base, fs_base; | ||
29 | unsigned long cr0, cr2, cr3, cr4, cr8; | ||
30 | unsigned long efer; | ||
31 | u16 gdt_pad; | ||
32 | u16 gdt_limit; | ||
33 | unsigned long gdt_base; | ||
34 | u16 idt_pad; | ||
35 | u16 idt_limit; | ||
36 | unsigned long idt_base; | ||
37 | u16 ldt; | ||
38 | u16 tss; | ||
39 | unsigned long tr; | ||
40 | unsigned long safety; | ||
41 | unsigned long return_address; | ||
42 | } __attribute__((packed)); | ||
43 | |||
44 | #define loaddebug(thread,register) \ | ||
45 | set_debugreg((thread)->debugreg##register, register) | ||
46 | |||
47 | /* routines for saving/restoring kernel state */ | ||
48 | extern int acpi_save_state_mem(void); | ||
49 | extern char core_restore_code; | ||
50 | extern char restore_registers; | ||
51 | |||
52 | #endif /* _ASM_X86_SUSPEND_64_H */ | ||