ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/arc/include/asm/switch_to.h b/marvell/linux/arch/arc/include/asm/switch_to.h
new file mode 100644
index 0000000..77f1233
--- /dev/null
+++ b/marvell/linux/arch/arc/include/asm/switch_to.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+ */
+
+#ifndef _ASM_ARC_SWITCH_TO_H
+#define _ASM_ARC_SWITCH_TO_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/sched.h>
+
+#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
+
+extern void fpu_save_restore(struct task_struct *p, struct task_struct *n);
+#define ARC_FPU_PREV(p, n)	fpu_save_restore(p, n)
+#define ARC_FPU_NEXT(t)
+
+#else
+
+#define ARC_FPU_PREV(p, n)
+#define ARC_FPU_NEXT(n)
+
+#endif /* !CONFIG_ARC_FPU_SAVE_RESTORE */
+
+#ifdef CONFIG_ARC_PLAT_EZNPS
+extern void dp_save_restore(struct task_struct *p, struct task_struct *n);
+#define ARC_EZNPS_DP_PREV(p, n)      dp_save_restore(p, n)
+#else
+#define ARC_EZNPS_DP_PREV(p, n)
+
+#endif /* !CONFIG_ARC_PLAT_EZNPS */
+
+struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n);
+
+#define switch_to(prev, next, last)	\
+do {					\
+	ARC_EZNPS_DP_PREV(prev, next);	\
+	ARC_FPU_PREV(prev, next);	\
+	last = __switch_to(prev, next);\
+	ARC_FPU_NEXT(next);		\
+	mb();				\
+} while (0)
+
+#endif
+
+#endif