diff options
author | James Morris <jmorris@namei.org> | 2009-03-27 08:28:11 +1100 |
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committer | James Morris <jmorris@namei.org> | 2009-03-27 08:28:11 +1100 |
commit | 1987f17d2266e882862528841429b5bf67bc8fe5 (patch) | |
tree | 5c3fbee88018ab7259a18c10e6320e575d0ed679 /arch/sh/kernel/swsusp.c | |
parent | 7198e2eeb44b3fe7cc97f997824002da47a9c644 (diff) | |
parent | 0384e2959127a56d0640505d004d8dd92f9c29f5 (diff) |
Merge branch 'master' into next
Diffstat (limited to 'arch/sh/kernel/swsusp.c')
-rw-r--r-- | arch/sh/kernel/swsusp.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sh/kernel/swsusp.c b/arch/sh/kernel/swsusp.c new file mode 100644 index 000000000000..12b64a0f2f01 --- /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 <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(); +} |