/*

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

 * Based on code

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

 */

#include <asm/desc.h>

#include <asm/i387.h>

static inline int

arch_prepare_suspend(void)

{

	return 0;

}

/* Image of the saved processor state. If you touch this, fix acpi_wakeup.S. */

struct saved_context {

  	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;

	unsigned long eflags;

} __attribute__((packed));

/* We'll access these from assembly, so we'd better have them outside struct */

extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;

extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;

extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;

extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;

extern unsigned long saved_context_eflags;

#define loaddebug(thread,register) \

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

extern void fix_processor_context(void);

#ifdef CONFIG_ACPI_SLEEP

extern unsigned long saved_rip;

extern unsigned long saved_rsp;

extern unsigned long saved_rbp;

extern unsigned long saved_rbx;

extern unsigned long saved_rsi;

extern unsigned long saved_rdi;

/* routines for saving/restoring kernel state */

extern int acpi_save_state_mem(void);

#endif