patch-2.4.19 linux-2.4.19/include/asm-ppc64/timex.h

• Lines: 32
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ppc64/timex.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ppc64/timex.h linux-2.4.19/include/asm-ppc64/timex.h
@@ -0,0 +1,31 @@
+/*
+ * 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 */
+#define CLOCK_TICK_FACTOR	20	/* Factor of both 1000000 and CLOCK_TICK_RATE */
+#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
+	(1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
+		<< (SHIFT_SCALE-SHIFT_HZ)) / HZ)
+
+typedef unsigned long cycles_t;
+extern cycles_t cacheflush_time;
+
+static inline cycles_t get_cycles(void)
+{
+	cycles_t ret;
+
+	__asm__ __volatile__("mftb %0" : "=r" (ret) : );
+	return ret;
+}
+
+#endif