[deliverable/linux.git] / include / asm-blackfin / timex.h

/*
 * 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
Commit	Line	Data
764cb81c MF	1	/*
764cb81c MF	2	* asm-blackfin/timex.h: cpu cycles!
1394f032	3	*
764cb81c MF	4	* Copyright 2004-2008 Analog Devices Inc.
	5	*
	6	* Licensed under the GPL-2 or later.
1394f032 BW	7	*/
1394f032 BW	8
764cb81c MF	9	#ifndef _ASM_BLACKFIN_TIMEX_H
764cb81c MF	10	#define _ASM_BLACKFIN_TIMEX_H
1394f032 BW	11
	12	#define CLOCK_TICK_RATE 1000000 /* Underlying HZ */
	13
764cb81c	14	typedef unsigned long long cycles_t;
1394f032 BW	15
	16	static inline cycles_t get_cycles(void)
	17	{
764cb81c MF	18	unsigned long tmp, tmp2;
	19	__asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
	20	return tmp \| ((cycles_t)tmp2 << 32);
1394f032 BW	21	}
	22
	23	#endif