diff options
| -rw-r--r-- | hw/i8254.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/i8254.c b/hw/i8254.c index 20cca0ef83..ad61a14af2 100644 --- a/hw/i8254.c +++ b/hw/i8254.c @@ -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; } |