urn_t
qemu_timer_interrupt(int irq, void *dev)
{
	int cpu = smp_processor_id();
	struct clock_event_device *ce = &per_cpu(cpu_ce, cpu);

	ce->event_handler(ce);
	return IRQ_HANDLED;
}

static void __init
init_qemu_clockevent(void)
{
	int cpu = smp_processor_id();
	struct clock_event_device *ce = &per_cpu(cpu_ce, cpu);

	*ce = (struct clock_event_device){
		.name = "qemu",
		.features = CLOCK_EVT_FEAT_ONESHOT,
		.rating = 400,
		.cpumask = cpumask_of(cpu),
		.set_state_shutdown = qemu_ce_shutdown,
		.set_state_oneshot = qemu_ce_shutdown,
		.tick_resume = qemu_ce_shutdown,
		.set_next_event = qemu_ce_set_next_event,
	};

	clockevents_config_and_register(ce, NSEC_PER_SEC, 1000, LONG_MAX);
}