unsigned int timer_read(tim_t dev)
{
if (dev >= TIMER_NUMOF) {
return 0;
}
struct timespec t;
DEBUG("timer_read()\n");
_native_syscall_enter();
#ifdef __MACH__
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
t.tv_sec = mts.tv_sec;
t.tv_nsec = mts.tv_nsec;
#else
if (real_clock_gettime(CLOCK_MONOTONIC, &t) == -1) {
err(EXIT_FAILURE, "timer_read: clock_gettime");
}
#endif
_native_syscall_leave();
return ts2ticks(&t) - time_null;
}
unsigned long hwtimer_arch_now(void)
{
struct timespec t;
DEBUG("hwtimer_arch_now()\n");
_native_syscall_enter();
#ifdef __MACH__
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
t.tv_sec = mts.tv_sec;
t.tv_nsec = mts.tv_nsec;
#else
if (real_clock_gettime(CLOCK_MONOTONIC, &t) == -1) {
err(EXIT_FAILURE, "hwtimer_arch_now: clock_gettime");
}
#endif
_native_syscall_leave();
native_hwtimer_now = ts2ticks(&t) - time_null;
struct timeval tv;
ticks2tv(native_hwtimer_now, &tv);
DEBUG("hwtimer_arch_now(): it is now %lu s %lu us\n",
(unsigned long)tv.tv_sec, (unsigned long)tv.tv_usec);
DEBUG("hwtimer_arch_now(): returning %lu\n", native_hwtimer_now);
return native_hwtimer_now;
}
unsigned long hwtimer_arch_now(void)
{
struct timespec t;
DEBUG("hwtimer_arch_now()\n");
_native_in_syscall = 1;
#ifdef __MACH__
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
t.tv_sec = mts.tv_sec;
t.tv_nsec = mts.tv_nsec;
#else
if (clock_gettime(CLOCK_MONOTONIC, &t) == -1) {
err(1, "hwtimer_arch_now: clock_gettime");
}
#endif
_native_in_syscall = 0;
native_hwtimer_now = ts2ticks(&t) - time_null;
DEBUG("hwtimer_arch_now(): it is now %lu s %lu ns\n",
(unsigned long)t.tv_sec, (unsigned long)t.tv_nsec);
DEBUG("hwtimer_arch_now(): returning %lu\n", native_hwtimer_now);
return native_hwtimer_now;
}
