diff options
| -rw-r--r-- | hw/mc146818rtc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index 5c8676ef68..5f1760c58c 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -421,9 +421,10 @@ static void rtc_update_second2(void *opaque) } /* update ended interrupt */ + s->cmos_data[RTC_REG_C] |= REG_C_UF; if (s->cmos_data[RTC_REG_B] & REG_B_UIE) { - s->cmos_data[RTC_REG_C] |= 0x90; - rtc_irq_raise(s->irq); + s->cmos_data[RTC_REG_C] |= REG_C_IRQF; + rtc_irq_raise(s->irq); } /* clear update in progress bit */ |