Commit 4721c457 authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

UIP update fix 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@699 c046a42c-6fe2-441c-8c8c-71466251a162
parent a6e022ad

hw/mc146818rtc.c

+7 −1
Original line number Diff line number Diff line
@@ -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);

    }

}