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 
14 typedef unsigned long long cycles_t;
15 
get_cycles(void)16 static inline cycles_t get_cycles(void)
17 {
18 	unsigned long tmp, tmp2;
19 	__asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
20 	return tmp | ((cycles_t)tmp2 << 32);
21 }
22 
23 #endif
24