From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/sh/kernel/swsusp.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/sh/kernel/swsusp.c (limited to 'arch/sh/kernel/swsusp.c') diff --git a/arch/sh/kernel/swsusp.c b/arch/sh/kernel/swsusp.c new file mode 100644 index 000000000..12b64a0f2 --- /dev/null +++ b/arch/sh/kernel/swsusp.c @@ -0,0 +1,38 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include + +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(); +} -- cgit v1.2.3-54-g00ecf