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
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.
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.
20 struct saved_context {
22 u16 ds, es, fs, gs, ss;
23 unsigned long gs_base, gs_kernel_base, fs_base;
24 unsigned long cr0, cr2, cr3, cr4, cr8;
26 bool misc_enable_saved;
28 u16 gdt_pad; /* Unused */
29 struct desc_ptr gdt_desc;
32 unsigned long idt_base;
37 unsigned long return_address;
38 } __attribute__((packed));
40 #define loaddebug(thread,register) \
41 set_debugreg((thread)->debugreg##register, register)
43 /* routines for saving/restoring kernel state */
44 extern int acpi_save_state_mem(void);
45 extern char core_restore_code;
46 extern char restore_registers;
48 #endif /* _ASM_X86_SUSPEND_64_H */