diff options
Diffstat (limited to 'qemu-timer.c')
| -rw-r--r-- | qemu-timer.c | 59 |
1 files changed, 28 insertions, 31 deletions
diff --git a/qemu-timer.c b/qemu-timer.c index ad1fc8b871..acf7a15422 100644 --- a/qemu-timer.c +++ b/qemu-timer.c @@ -134,6 +134,7 @@ struct QEMUClock { int enabled; QEMUTimer *warp_timer; + QEMUTimer *active_timers; NotifierList reset_notifiers; int64_t last; @@ -352,14 +353,10 @@ next: } } -#define QEMU_NUM_CLOCKS 3 - QEMUClock *rt_clock; QEMUClock *vm_clock; QEMUClock *host_clock; -static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; - static QEMUClock *qemu_new_clock(int type) { QEMUClock *clock; @@ -403,7 +400,7 @@ static void icount_warp_rt(void *opaque) int64_t delta = cur_time - cur_icount; qemu_icount_bias += MIN(warp_delta, delta); } - if (qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], + if (qemu_timer_expired(vm_clock->active_timers, qemu_get_clock_ns(vm_clock))) { qemu_notify_event(); } @@ -434,7 +431,7 @@ void qemu_clock_warp(QEMUClock *clock) * the earliest vm_clock timer. */ icount_warp_rt(NULL); - if (!all_cpu_threads_idle() || !active_timers[clock->type]) { + if (!all_cpu_threads_idle() || !clock->active_timers) { qemu_del_timer(clock->warp_timer); return; } @@ -489,7 +486,7 @@ void qemu_del_timer(QEMUTimer *ts) /* NOTE: this code must be signal safe because qemu_timer_expired() can be called from a signal. */ - pt = &active_timers[ts->clock->type]; + pt = &ts->clock->active_timers; for(;;) { t = *pt; if (!t) @@ -513,7 +510,7 @@ static void qemu_mod_timer_ns(QEMUTimer *ts, int64_t expire_time) /* add the timer in the sorted list */ /* NOTE: this code must be signal safe because qemu_timer_expired() can be called from a signal. */ - pt = &active_timers[ts->clock->type]; + pt = &ts->clock->active_timers; for(;;) { t = *pt; if (!qemu_timer_expired_ns(t, expire_time)) { @@ -526,7 +523,7 @@ static void qemu_mod_timer_ns(QEMUTimer *ts, int64_t expire_time) *pt = ts; /* Rearm if necessary */ - if (pt == &active_timers[ts->clock->type]) { + if (pt == &ts->clock->active_timers) { if (!alarm_timer->pending) { qemu_rearm_alarm_timer(alarm_timer); } @@ -548,7 +545,7 @@ void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) int qemu_timer_pending(QEMUTimer *ts) { QEMUTimer *t; - for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { + for (t = ts->clock->active_timers; t != NULL; t = t->next) { if (t == ts) return 1; } @@ -569,7 +566,7 @@ static void qemu_run_timers(QEMUClock *clock) return; current_time = qemu_get_clock_ns(clock); - ptimer_head = &active_timers[clock->type]; + ptimer_head = &clock->active_timers; for(;;) { ts = *ptimer_head; if (!qemu_timer_expired_ns(ts, current_time)) { @@ -773,8 +770,8 @@ int64_t qemu_next_icount_deadline(void) int64_t delta = INT32_MAX; assert(use_icount); - if (active_timers[QEMU_CLOCK_VIRTUAL]) { - delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - + if (vm_clock->active_timers) { + delta = vm_clock->active_timers->expire_time - qemu_get_clock_ns(vm_clock); } @@ -789,20 +786,20 @@ static int64_t qemu_next_alarm_deadline(void) int64_t delta; int64_t rtdelta; - if (!use_icount && active_timers[QEMU_CLOCK_VIRTUAL]) { - delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - + if (!use_icount && vm_clock->active_timers) { + delta = vm_clock->active_timers->expire_time - qemu_get_clock_ns(vm_clock); } else { delta = INT32_MAX; } - if (active_timers[QEMU_CLOCK_HOST]) { - int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - + if (host_clock->active_timers) { + int64_t hdelta = host_clock->active_timers->expire_time - qemu_get_clock_ns(host_clock); if (hdelta < delta) delta = hdelta; } - if (active_timers[QEMU_CLOCK_REALTIME]) { - rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - + if (rt_clock->active_timers) { + rtdelta = (rt_clock->active_timers->expire_time - qemu_get_clock_ns(rt_clock)); if (rtdelta < delta) delta = rtdelta; @@ -871,9 +868,9 @@ static void dynticks_rearm_timer(struct qemu_alarm_timer *t) int64_t current_ns; assert(alarm_has_dynticks(t)); - if (!active_timers[QEMU_CLOCK_REALTIME] && - !active_timers[QEMU_CLOCK_VIRTUAL] && - !active_timers[QEMU_CLOCK_HOST]) + if (!rt_clock->active_timers && + !vm_clock->active_timers && + !host_clock->active_timers) return; nearest_delta_ns = qemu_next_alarm_deadline(); @@ -925,9 +922,9 @@ static void unix_rearm_timer(struct qemu_alarm_timer *t) int err; assert(alarm_has_dynticks(t)); - if (!active_timers[QEMU_CLOCK_REALTIME] && - !active_timers[QEMU_CLOCK_VIRTUAL] && - !active_timers[QEMU_CLOCK_HOST]) + if (!rt_clock->active_timers && + !vm_clock->active_timers && + !host_clock->active_timers) return; nearest_delta_ns = qemu_next_alarm_deadline(); @@ -1022,9 +1019,9 @@ static void mm_rearm_timer(struct qemu_alarm_timer *t) int nearest_delta_ms; assert(alarm_has_dynticks(t)); - if (!active_timers[QEMU_CLOCK_REALTIME] && - !active_timers[QEMU_CLOCK_VIRTUAL] && - !active_timers[QEMU_CLOCK_HOST]) { + if (!rt_clock->active_timers && + !vm_clock->active_timers && + !host_clock->active_timers) { return; } @@ -1092,9 +1089,9 @@ static void win32_rearm_timer(struct qemu_alarm_timer *t) BOOLEAN success; assert(alarm_has_dynticks(t)); - if (!active_timers[QEMU_CLOCK_REALTIME] && - !active_timers[QEMU_CLOCK_VIRTUAL] && - !active_timers[QEMU_CLOCK_HOST]) + if (!rt_clock->active_timers && + !vm_clock->active_timers && + !host_clock->active_timers) return; nearest_delta_ms = (qemu_next_alarm_deadline() + 999999) / 1000000; |