2 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
6 #ifndef ASM_X86__SUSPEND_64_H
7 #define ASM_X86__SUSPEND_64_H
12 static inline int arch_prepare_suspend(void)
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.
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.
25 struct saved_context {
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;
33 unsigned long gdt_base;
36 unsigned long idt_base;
41 unsigned long return_address;
42 } __attribute__((packed));
44 #define loaddebug(thread,register) \
45 set_debugreg((thread)->debugreg##register, register)
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;
52 #endif /* ASM_X86__SUSPEND_64_H */