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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 11:32:13 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 11:32:13 +0100
commit9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee (patch)
tree651f7058bbaa2d8b2855286380d614afcf505118 /arch/blackfin/include/asm/timex.h
parent31db6e9ea1dbdcf66b8227b4f7035dee1b1dd8c0 (diff)
parentbef69ea0dcce574a425feb0a5aa4c63dd108b9a6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/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 00000000000..22b0806161b
--- /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