static void rtc_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
RTCState *s = MC146818_RTC(dev);
int base = 0x70;
s->cmos_data[RTC_REG_A] = 0x26;
s->cmos_data[RTC_REG_B] = 0x02;
s->cmos_data[RTC_REG_C] = 0x00;
s->cmos_data[RTC_REG_D] = 0x80;
/* This is for historical reasons. The default base year qdev property
* was set to 2000 for most machine types before the century byte was
* implemented.
*
* This if statement means that the century byte will be always 0
* (at least until 2079...) for base_year = 1980, but will be set
* correctly for base_year = 2000.
*/
if (s->base_year == 2000) {
s->base_year = 0;
}
rtc_set_date_from_host(isadev);
#ifdef TARGET_I386
switch (s->lost_tick_policy) {
case LOST_TICK_SLEW:
s->coalesced_timer =
qemu_new_timer_ns(rtc_clock, rtc_coalesced_timer, s);
break;
case LOST_TICK_DISCARD:
break;
default:
error_setg(errp, "Invalid lost tick policy.");
return;
}
#endif
s->periodic_timer = qemu_new_timer_ns(rtc_clock, rtc_periodic_timer, s);
s->update_timer = qemu_new_timer_ns(rtc_clock, rtc_update_timer, s);
check_update_timer(s);
s->clock_reset_notifier.notify = rtc_notify_clock_reset;
qemu_register_clock_reset_notifier(rtc_clock, &s->clock_reset_notifier);
s->suspend_notifier.notify = rtc_notify_suspend;
qemu_register_suspend_notifier(&s->suspend_notifier);
memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 2);
isa_register_ioport(isadev, &s->io, base);
qdev_set_legacy_instance_id(dev, base, 3);
qemu_register_reset(rtc_reset, s);
object_property_add(OBJECT(s), "date", "struct tm",
rtc_get_date, NULL, NULL, s, NULL);
}
static int rtc_initfn(ISADevice *dev)
{
RTCState *s = DO_UPCAST(RTCState, dev, dev);
int base = 0x70;
s->cmos_data[RTC_REG_A] = 0x26;
s->cmos_data[RTC_REG_B] = 0x02;
s->cmos_data[RTC_REG_C] = 0x00;
s->cmos_data[RTC_REG_D] = 0x80;
rtc_set_date_from_host(dev);
#ifdef TARGET_I386
switch (s->lost_tick_policy) {
case LOST_TICK_SLEW:
s->coalesced_timer =
qemu_new_timer_ns(rtc_clock, rtc_coalesced_timer, s);
break;
case LOST_TICK_DISCARD:
break;
default:
return -EINVAL;
}
#endif
s->periodic_timer = qemu_new_timer_ns(rtc_clock, rtc_periodic_timer, s);
s->second_timer = qemu_new_timer_ns(rtc_clock, rtc_update_second, s);
s->second_timer2 = qemu_new_timer_ns(rtc_clock, rtc_update_second2, s);
s->clock_reset_notifier.notify = rtc_notify_clock_reset;
qemu_register_clock_reset_notifier(rtc_clock, &s->clock_reset_notifier);
s->suspend_notifier.notify = rtc_notify_suspend;
qemu_register_suspend_notifier(&s->suspend_notifier);
s->next_second_time =
qemu_get_clock_ns(rtc_clock) + (get_ticks_per_sec() * 99) / 100;
qemu_mod_timer(s->second_timer2, s->next_second_time);
memory_region_init_io(&s->io, &cmos_ops, s, "rtc", 2);
isa_register_ioport(dev, &s->io, base);
qdev_set_legacy_instance_id(&dev->qdev, base, 2);
qemu_register_reset(rtc_reset, s);
object_property_add(OBJECT(s), "date", "struct tm",
rtc_get_date, NULL, NULL, s, NULL);
return 0;
}
static int rtc_initfn(ISADevice *dev)
{
RTCState *s = DO_UPCAST(RTCState, dev, dev);
int base = 0x70;
s->cmos_data[RTC_REG_A] = 0x26;
s->cmos_data[RTC_REG_B] = 0x02;
s->cmos_data[RTC_REG_C] = 0x00;
s->cmos_data[RTC_REG_D] = 0x80;
rtc_set_date_from_host(dev);
s->periodic_timer = qemu_new_timer_ns(rtc_clock, rtc_periodic_timer, s);
#ifdef TARGET_I386
if (rtc_td_hack)
s->coalesced_timer =
qemu_new_timer_ns(rtc_clock, rtc_coalesced_timer, s);
#endif
s->second_timer = qemu_new_timer_ns(rtc_clock, rtc_update_second, s);
s->second_timer2 = qemu_new_timer_ns(rtc_clock, rtc_update_second2, s);
s->clock_reset_notifier.notify = rtc_notify_clock_reset;
qemu_register_clock_reset_notifier(rtc_clock, &s->clock_reset_notifier);
s->next_second_time =
qemu_get_clock_ns(rtc_clock) + (get_ticks_per_sec() * 99) / 100;
qemu_mod_timer(s->second_timer2, s->next_second_time);
memory_region_init_io(&s->io, &cmos_ops, s, "rtc", 2);
isa_register_ioport(dev, &s->io, base);
qdev_set_legacy_instance_id(&dev->qdev, base, 2);
qemu_register_reset(rtc_reset, s);
qdev_property_add(&s->dev.qdev, "date", "struct tm",
rtc_get_date, NULL, NULL, s, NULL);
return 0;
}
