/*

 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>

 * Based on code

 * Copyright 2001 Patrick Mochel <mochel@osdl.org>

 */

#ifndef _ASM_X86_SUSPEND_64_H

#define _ASM_X86_SUSPEND_64_H

#include <asm/desc.h>

#include <asm/i387.h>

static inline int arch_prepare_suspend(void)

{

	return 0;

}

/*

 * Image of the saved processor state, used by the low level ACPI suspend to

 * RAM code and by the low level hibernation code.

 *

 * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that

 * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,

 * still work as required.

 */

struct saved_context {

	struct pt_regs regs;

	u16 ds, es, fs, gs, ss;

	unsigned long gs_base, gs_kernel_base, fs_base;

	unsigned long cr0, cr2, cr3, cr4, cr8;

	unsigned long efer;

	u16 gdt_pad;

	u16 gdt_limit;

	unsigned long gdt_base;

	u16 idt_pad;

	u16 idt_limit;

	unsigned long idt_base;

	u16 ldt;

	u16 tss;

	unsigned long tr;

	unsigned long safety;

	unsigned long return_address;

} __attribute__((packed));

#define loaddebug(thread,register) \

	set_debugreg((thread)->debugreg##register, register)

/* routines for saving/restoring kernel state */

extern int acpi_save_state_mem(void);

extern char core_restore_code;

extern char restore_registers;

#endif /* _ASM_X86_SUSPEND_64_H */