#define RW_STATE_WORD0 3
#define RW_STATE_WORD1 4
+#define PIT_CLASS(class) OBJECT_CLASS_CHECK(PITClass, (class), TYPE_I8254)
+#define PIT_GET_CLASS(obj) OBJECT_GET_CLASS(PITClass, (obj), TYPE_I8254)
+
+typedef struct PITClass {
+ PITCommonClass parent_class;
+
+ DeviceRealize parent_realize;
+} PITClass;
+
static void pit_irq_timer_update(PITChannelState *s, int64_t current_time);
static int pit_get_count(PITChannelState *s)
uint64_t d;
int counter;
- d = muldiv64(qemu_get_clock_ns(vm_clock) - s->count_load_time, PIT_FREQ,
+ d = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->count_load_time, PIT_FREQ,
get_ticks_per_sec());
switch(s->mode) {
case 0:
case 5:
if (sc->gate < val) {
/* restart counting on rising edge */
- sc->count_load_time = qemu_get_clock_ns(vm_clock);
+ sc->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
pit_irq_timer_update(sc, sc->count_load_time);
}
break;
case 3:
if (sc->gate < val) {
/* restart counting on rising edge */
- sc->count_load_time = qemu_get_clock_ns(vm_clock);
+ sc->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
pit_irq_timer_update(sc, sc->count_load_time);
}
/* XXX: disable/enable counting */
{
if (val == 0)
val = 0x10000;
- s->count_load_time = qemu_get_clock_ns(vm_clock);
+ s->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
s->count = val;
pit_irq_timer_update(s, s->count_load_time);
}
/* XXX: add BCD and null count */
s->status =
(pit_get_out(s,
- qemu_get_clock_ns(vm_clock)) << 7) |
+ qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)) << 7) |
(s->rw_mode << 4) |
(s->mode << 1) |
s->bcd;
#endif
s->next_transition_time = expire_time;
if (expire_time != -1)
- qemu_mod_timer(s->irq_timer, expire_time);
+ timer_mod(s->irq_timer, expire_time);
else
- qemu_del_timer(s->irq_timer);
+ timer_del(s->irq_timer);
}
static void pit_irq_timer(void *opaque)
static void pit_reset(DeviceState *dev)
{
- PITCommonState *pit = DO_UPCAST(PITCommonState, dev.qdev, dev);
+ PITCommonState *pit = PIT_COMMON(dev);
PITChannelState *s;
pit_reset_common(pit);
s = &pit->channels[0];
if (!s->irq_disabled) {
- qemu_mod_timer(s->irq_timer, s->next_transition_time);
+ timer_mod(s->irq_timer, s->next_transition_time);
}
}
if (enable) {
s->irq_disabled = 0;
- pit_irq_timer_update(s, qemu_get_clock_ns(vm_clock));
+ pit_irq_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
} else {
s->irq_disabled = 1;
- qemu_del_timer(s->irq_timer);
+ timer_del(s->irq_timer);
}
}
PITChannelState *sc = &s->channels[0];
if (sc->next_transition_time != -1) {
- qemu_mod_timer(sc->irq_timer, sc->next_transition_time);
+ timer_mod(sc->irq_timer, sc->next_transition_time);
} else {
- qemu_del_timer(sc->irq_timer);
+ timer_del(sc->irq_timer);
}
}
-static int pit_initfn(PITCommonState *pit)
+static void pit_realizefn(DeviceState *dev, Error **err)
{
+ PITCommonState *pit = PIT_COMMON(dev);
+ PITClass *pc = PIT_GET_CLASS(dev);
PITChannelState *s;
s = &pit->channels[0];
/* the timer 0 is connected to an IRQ */
- s->irq_timer = qemu_new_timer_ns(vm_clock, pit_irq_timer, s);
- qdev_init_gpio_out(&pit->dev.qdev, &s->irq, 1);
+ s->irq_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pit_irq_timer, s);
+ qdev_init_gpio_out(dev, &s->irq, 1);
- memory_region_init_io(&pit->ioports, &pit_ioport_ops, pit, "pit", 4);
+ memory_region_init_io(&pit->ioports, OBJECT(pit), &pit_ioport_ops,
+ pit, "pit", 4);
- qdev_init_gpio_in(&pit->dev.qdev, pit_irq_control, 1);
+ qdev_init_gpio_in(dev, pit_irq_control, 1);
- return 0;
+ pc->parent_realize(dev, err);
}
static Property pit_properties[] = {
static void pit_class_initfn(ObjectClass *klass, void *data)
{
+ PITClass *pc = PIT_CLASS(klass);
PITCommonClass *k = PIT_COMMON_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
- k->init = pit_initfn;
+ pc->parent_realize = dc->realize;
+ dc->realize = pit_realizefn;
k->set_channel_gate = pit_set_channel_gate;
k->get_channel_info = pit_get_channel_info_common;
k->post_load = pit_post_load;
}
static const TypeInfo pit_info = {
- .name = "isa-pit",
+ .name = TYPE_I8254,
.parent = TYPE_PIT_COMMON,
.instance_size = sizeof(PITCommonState),
.class_init = pit_class_initfn,
+ .class_size = sizeof(PITClass),
};
static void pit_register_types(void)