Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / blackfin / include / asm / timex.h
diff --git a/kernel/arch/blackfin/include/asm/timex.h b/kernel/arch/blackfin/include/asm/timex.h
new file mode 100644 (file)
index 0000000..248aeb0
--- /dev/null
@@ -0,0 +1,23 @@
+/*
+ * asm-blackfin/timex.h: cpu cycles!
+ *
+ * Copyright 2004-2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _ASM_BLACKFIN_TIMEX_H
+#define _ASM_BLACKFIN_TIMEX_H
+
+#define CLOCK_TICK_RATE        1000000 /* Underlying HZ */
+
+typedef unsigned long long cycles_t;
+
+static inline cycles_t get_cycles(void)
+{
+       unsigned long tmp, tmp2;
+       __asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
+       return tmp | ((cycles_t)tmp2 << 32);
+}
+
+#endif