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-rw-r--r--arch/blackfin/include/asm/timex.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h
new file mode 100644
index 0000000..22b0806
--- /dev/null
+++ b/arch/blackfin/include/asm/timex.h
@@ -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__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
+ return tmp | ((cycles_t)tmp2 << 32);
+}
+
+#endif
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