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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 | 9 | #include <asm/desc.h> |
df6b35f4 | 10 | #include <asm/fpu/api.h> |
1da177e4 | 11 | |
5c9c9bec RW |
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 | */ | |
1da177e4 | 20 | struct saved_context { |
0de80bcc | 21 | struct pt_regs regs; |
1b17fce6 | 22 | u16 ds, es, fs, gs, ss; |
1da177e4 | 23 | unsigned long gs_base, gs_kernel_base, fs_base; |
8d783b3e | 24 | unsigned long cr0, cr2, cr3, cr4, cr8; |
85a0e753 OZ |
25 | u64 misc_enable; |
26 | bool misc_enable_saved; | |
3c321bce | 27 | unsigned long efer; |
cc456c4e KRW |
28 | u16 gdt_pad; /* Unused */ |
29 | struct desc_ptr gdt_desc; | |
1da177e4 LT |
30 | u16 idt_pad; |
31 | u16 idt_limit; | |
32 | unsigned long idt_base; | |
33 | u16 ldt; | |
34 | u16 tss; | |
35 | unsigned long tr; | |
36 | unsigned long safety; | |
37 | unsigned long return_address; | |
1da177e4 LT |
38 | } __attribute__((packed)); |
39 | ||
1da177e4 | 40 | #define loaddebug(thread,register) \ |
2b514e74 | 41 | set_debugreg((thread)->debugreg##register, register) |
1da177e4 | 42 | |
1da177e4 LT |
43 | /* routines for saving/restoring kernel state */ |
44 | extern int acpi_save_state_mem(void); | |
d158cbdf RW |
45 | extern char core_restore_code; |
46 | extern char restore_registers; | |
0de80bcc | 47 | |
1965aae3 | 48 | #endif /* _ASM_X86_SUSPEND_64_H */ |