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authorIngo Molnar <mingo@elte.hu>2009-03-28 23:05:50 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 23:05:50 +0100
commitb0d44c0dbbd52effb731b1c0af9afd56215c48de (patch)
tree3237c0087d91a5390aed05689b9f610ba16fa116 /arch/sh/kernel/swsusp.c
parent9537a48ed4b9e4b738943d6da0a0fd4278adf905 (diff)
parent7c730ccdc1188b97f5c8cb690906242c7ed75c22 (diff)
Merge branch 'linus' into core/iommu
Conflicts: arch/x86/Kconfig
Diffstat (limited to 'arch/sh/kernel/swsusp.c')
-rw-r--r--arch/sh/kernel/swsusp.c38
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 00000000000..12b64a0f2f0
--- /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();
+}