| /* | |
| * swsusp.c - SuperH hibernation support | |
| * | |
| * Copyright (C) 2009 Magnus Damm | |
| * | |
| * This file is subject to the terms and conditions of the GNU General Public | |
| * License. See the file "COPYING" in the main directory of this archive | |
| * for more details. | |
| */ | |
| #include <linux/mm.h> | |
| #include <linux/sched.h> | |
| #include <linux/suspend.h> | |
| #include <asm/suspend.h> | |
| #include <asm/sections.h> | |
| #include <asm/tlbflush.h> | |
| #include <asm/page.h> | |
| #include <asm/fpu.h> | |
| struct swsusp_arch_regs swsusp_arch_regs_cpu0; | |
| int pfn_is_nosave(unsigned long pfn) | |
| { | |
| unsigned long begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT; | |
| unsigned long end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT; | |
| return (pfn >= begin_pfn) && (pfn < end_pfn); | |
| } | |
| void save_processor_state(void) | |
| { | |
| init_fpu(current); | |
| } | |
| void restore_processor_state(void) | |
| { | |
| local_flush_tlb_all(); | |
| } |