s->irq_timer = qemu_new_timer(vm_clock, pit_irq_timer, s);
s->irq = irq;
- vmstate_register(base, &vmstate_pit, pit);
+ vmstate_register(NULL, base, &vmstate_pit, pit);
qemu_register_reset(pit_reset, pit);
register_ioport_write(base, 4, 1, pit_ioport_write, pit);
register_ioport_read(base, 3, 1, pit_ioport_read, pit);