1/*
2 * swsusp.c - SuperH hibernation support
3 *
4 * Copyright (C) 2009 Magnus Damm
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License.  See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#include <linux/mm.h>
12#include <linux/sched.h>
13#include <linux/suspend.h>
14#include <asm/suspend.h>
15#include <asm/sections.h>
16#include <asm/tlbflush.h>
17#include <asm/page.h>
18#include <asm/fpu.h>
19
20struct swsusp_arch_regs swsusp_arch_regs_cpu0;
21
22int pfn_is_nosave(unsigned long pfn)
23{
24	unsigned long begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
25	unsigned long end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
26
27	return (pfn >= begin_pfn) && (pfn < end_pfn);
28}
29
30void save_processor_state(void)
31{
32	init_fpu(current);
33}
34
35void restore_processor_state(void)
36{
37	local_flush_tlb_all();
38}
39