aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/include/asm/timex.h
diff options
context:
space:
mode:
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 @@
1/*
2 * asm-blackfin/timex.h: cpu cycles!
3 *
4 * Copyright 2004-2008 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#ifndef _ASM_BLACKFIN_TIMEX_H
10#define _ASM_BLACKFIN_TIMEX_H
11
12#define CLOCK_TICK_RATE 1000000 /* Underlying HZ */
13
14typedef unsigned long long cycles_t;
15
16static inline cycles_t get_cycles(void)
17{
18 unsigned long tmp, tmp2;
19 __asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
20 return tmp | ((cycles_t)tmp2 << 32);
21}
22
23#endif