newlib/libgloss/sparc_leon/asm-leon/timer.h

76 lines
2.2 KiB
C

/*
* Copyright (c) 2011 Aeroflex Gaisler
*
* BSD license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _ASMSPARC_TIMER_H
#define _ASMSPARC_TIMER_H
#include <asm-leon/queue.h>
/*#include <sys/fsu_pthread_queue.h>*/
#include <sys/time.h>
#include <asm-leon/clock.h>
#ifndef __ASSEMBLER__
typedef int (*timerevent_handler) (void *);
struct timerevent
{
TAILQ_ENTRY (timerevent) n;
struct timespec expire;
timerevent_handler handler;
void *arg;
};
#endif
#define GT_TIMESPEC(t1, t2) \
(t1.tv_sec > t2.tv_sec || \
(t1.tv_sec == t2.tv_sec && \
t1.tv_nsec > t2.tv_nsec))
#define GT_TIMEVAL(t1, t2) \
(t1.tv_sec > t2.tv_sec || \
(t1.tv_sec == t2.tv_sec && \
t1.tv_usec > t2.tv_usec))
/*
* MINUS_TIME only works if src1 > src2
*/
#define MINUS_TIMEVAL(dst, src1, src2) \
if ((src2).tv_usec > (src1).tv_usec) { \
(dst).tv_sec = (src1).tv_sec - (src2).tv_sec - 1; \
(dst).tv_usec = ((src1).tv_usec - (src2).tv_usec) + USEC_PER_SEC; \
} \
else { \
(dst).tv_sec = (src1).tv_sec - (src2).tv_sec; \
(dst).tv_usec = (src1).tv_usec - (src2).tv_usec; \
}
/* Protypes */
#ifndef __ASSEMBLER__
void leonbare_init_ticks ();
int addtimer (struct timerevent *e);
#endif
#endif