Commit 1154e441 authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

avoid rounding problems 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@696 c046a42c-6fe2-441c-8c8c-71466251a162
parent e463b581

hw/i8254.c

+4 −0
Original line number Diff line number Diff line
@@ -136,6 +136,10 @@ static int64_t pit_get_next_transition_time(PITChannelState *s, 
    }

    /* convert to timer units */

    next_time = s->count_load_time + muldiv64(next_time, ticks_per_sec, PIT_FREQ);

    /* fix potential rounding problems */

    /* XXX: better solution: use a clock at PIT_FREQ Hz */

    if (next_time <= current_time)

        next_time = current_time + 1;

    return next_time;

}