Re: [Qemu-devel] [PATCH v8 4/4] arm_mptimer: Convert to use ptimer

[Dmitry Osipenko]

06.01.2016 16:17, Peter Crosthwaite пишет:
> > +        if ((old & 3) != (tb->control & 3)) {
> > +            ptimer_stop(tb->timer);
> > +        }
> > +        if (!(tb->control & 1)) {
> > +            break;
> > +        }
> > +        ptimer_set_period(tb->timer, timerblock_scale(tb));
> > +        if ((old & 3) != (tb->control & 3)) {
> > +            value = ptimer_get_count(tb->timer);
> > +            timerblock_run(tb, value, 1);
>
> Is this reachable when the load value is still 0?

Yes, timer runs based on current counter value. You can load = 0 and set counter 
!= 0 that would result in one-shot tick. Hmm... I need to fix it. Thanks for 
leading question!

Ughh... just noticed that test_timer_set_oneshot_count_to_0() on real HW sets IT 
bit if prescaler != 0. Looking into it..

--
Dmitry