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authorPaul Mackerras <paulus@samba.org>2008-09-10 05:36:13 +0400
committerPaul Mackerras <paulus@samba.org>2008-09-10 05:36:13 +0400
commit7e392f8c29ee045c6a29d50193d2fb10712eceb0 (patch)
treec84097fe644c50c82f087ab7fa2d75167b8c0e16 /arch/blackfin/include/asm/timex.h
parent7713fef06517d216f96ee7c8ad750e72bc08d38f (diff)
parent93811d94f7e9bcfeed7d6ba75ea5d9c80a70ab95 (diff)
downloadlinux-7e392f8c29ee045c6a29d50193d2fb10712eceb0.tar.xz
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/blackfin/include/asm/timex.h')
-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 000000000000..22b0806161bb
--- /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