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author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-03 12:27:31 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-03 12:27:31 +0000 |
commit | 4721c4575004f9436e3c167f4daa66e2a2d6a3ff (patch) | |
tree | 266c3a3bff937a1dd99646f48d6772a2596b100d | |
parent | a6e022ad139c695e60d1bcb6c298a67aaf5c2916 (diff) | |
download | hqemu-4721c4575004f9436e3c167f4daa66e2a2d6a3ff.zip hqemu-4721c4575004f9436e3c167f4daa66e2a2d6a3ff.tar.gz |
UIP update fix
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@699 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r-- | hw/mc146818rtc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index d574683..69addba 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -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); } } |