Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / unicore32 / include / asm / barrier.h

diff --git a/kernel/arch/unicore32/include/asm/barrier.h b/kernel/arch/unicore32/include/asm/barrier.h
new file mode 100644 (file)
index 0000000..83d6a52
--- /dev/null
+++ b/kernel/arch/unicore32/include/asm/barrier.h
@@ -0,0 +1,19 @@
+/*
+ * Memory barrier implementations for PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2012 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __UNICORE_BARRIER_H__
+#define __UNICORE_BARRIER_H__
+
+#define isb() __asm__ __volatile__ ("" : : : "memory")
+#define dsb() __asm__ __volatile__ ("" : : : "memory")
+#define dmb() __asm__ __volatile__ ("" : : : "memory")
+
+#include <asm-generic/barrier.h>
+
+#endif /* __UNICORE_BARRIER_H__ */