// SPDX-License-Identifier: GPL-2.0 /* * swsusp.c - SuperH hibernation support * * Copyright (C) 2009 Magnus Damm */ #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(); }