1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sh/kernel/swsusp.c b/arch/sh/kernel/swsusp.c
new file mode 100644
index 000000000..0b772d6d7
--- /dev/null
+++ b/arch/sh/kernel/swsusp.c
@@ -0,0 +1,35 @@
+// 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();
+}