summaryrefslogtreecommitdiffstats
path: root/include/asm-ppc64/timex.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-ppc64/timex.h')
-rw-r--r--include/asm-ppc64/timex.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-ppc64/timex.h b/include/asm-ppc64/timex.h
new file mode 100644
index 00000000000..8db4da4064c
--- /dev/null
+++ b/include/asm-ppc64/timex.h
@@ -0,0 +1,26 @@
+/*
+ * linux/include/asm-ppc/timex.h
+ *
+ * PPC64 architecture timex specifications
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASMPPC64_TIMEX_H
+#define _ASMPPC64_TIMEX_H
+
+#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
+
+typedef unsigned long cycles_t;
+
+static inline cycles_t get_cycles(void)
+{
+ cycles_t ret;
+
+ __asm__ __volatile__("mftb %0" : "=r" (ret) : );
+ return ret;
+}
+
+#endif