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UIP update fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@699 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-04-03 12:27:31 +00:00
parent a6e022ad13
commit 4721c45750
1 changed files with 7 additions and 1 deletions
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8
hw/mc146818rtc.c
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@ -206,6 +206,7 @@ static void rtc_set_time(RTCState *s)
static void rtc_update_second(void *opaque)
{
RTCState *s = opaque;
int64_t delay;
/* if the oscillator is not in normal operation, we do not update */
if ((s->cmos_data[RTC_REG_A] & 0x70) != 0x20) {
@ -218,8 +219,13 @@ static void rtc_update_second(void *opaque)
/* update in progress bit */
s->cmos_data[RTC_REG_A] |= REG_A_UIP;
}
/* should be 244 us = 8 / 32768 seconds, but currently the
timers do not have the necessary resolution. */
delay = (ticks_per_sec * 1) / 100;
if (delay < 1)
delay = 1;
qemu_mod_timer(s->second_timer2,
s->next_second_time + (ticks_per_sec * 99) / 100);
s->next_second_time + delay);
}
}