24 строки
464 B
C
24 строки
464 B
C
/*
|
|
* 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
|