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1da177e4 LT |
1 | /* |
2 | * Copyright 2001-2003 Pavel Machek <pavel@suse.cz> | |
3 | * Based on code | |
4 | * Copyright 2001 Patrick Mochel <mochel@osdl.org> | |
5 | */ | |
1965aae3 PA |
6 | #ifndef _ASM_X86_SUSPEND_64_H |
7 | #define _ASM_X86_SUSPEND_64_H | |
0de80bcc | 8 | |
1da177e4 LT |
9 | #include <asm/desc.h> |
10 | #include <asm/i387.h> | |
11 | ||
1b17fce6 | 12 | static inline int arch_prepare_suspend(void) |
1da177e4 LT |
13 | { |
14 | return 0; | |
15 | } | |
16 | ||
5c9c9bec RW |
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 | */ | |
1da177e4 | 25 | struct saved_context { |
0de80bcc | 26 | struct pt_regs regs; |
1b17fce6 | 27 | u16 ds, es, fs, gs, ss; |
1da177e4 | 28 | unsigned long gs_base, gs_kernel_base, fs_base; |
8d783b3e | 29 | unsigned long cr0, cr2, cr3, cr4, cr8; |
3c321bce | 30 | unsigned long efer; |
1da177e4 LT |
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; | |
1da177e4 LT |
42 | } __attribute__((packed)); |
43 | ||
1da177e4 | 44 | #define loaddebug(thread,register) \ |
2b514e74 | 45 | set_debugreg((thread)->debugreg##register, register) |
1da177e4 | 46 | |
1da177e4 LT |
47 | /* routines for saving/restoring kernel state */ |
48 | extern int acpi_save_state_mem(void); | |
d158cbdf RW |
49 | extern char core_restore_code; |
50 | extern char restore_registers; | |
0de80bcc | 51 | |
1965aae3 | 52 | #endif /* _ASM_X86_SUSPEND_64_H */ |