Function clock_attach

freebsd/mips/nlm/tick.c:332–366

}

static int
clock_attach(device_t dev)
{
	struct clock_softc *sc;

	if (device_get_unit(dev) != 0)
		panic("can't attach more clocks");

	softc = sc = device_get_softc(dev);
	cpu_establish_hardintr("compare", clock_intr, NULL,
	    sc, IRQ_TIMER, INTR_TYPE_CLK, &sc->intr_handler);

	sc->tc.tc_get_timecount = counter_get_timecount;
	sc->tc.tc_counter_mask = 0xffffffff;
	sc->tc.tc_frequency = counter_freq;
	sc->tc.tc_name = "MIPS32";
	sc->tc.tc_quality = 800;
	sc->tc.tc_priv = sc;
	tc_init(&sc->tc);
	sc->et.et_name = "MIPS32";
#if 0
	sc->et.et_flags = ET_FLAGS_PERIODIC | ET_FLAGS_ONESHOT |
	    ET_FLAGS_PERCPU;
#endif
	sc->et.et_flags = ET_FLAGS_PERIODIC | ET_FLAGS_PERCPU;
	sc->et.et_quality = 800;
	sc->et.et_frequency = counter_freq;
	sc->et.et_min_period = 0x00004000LLU; /* To be safe. */
	sc->et.et_max_period = (0xfffffffeLLU << 32) / sc->et.et_frequency;
	sc->et.et_start = clock_start;
	sc->et.et_stop = clock_stop;
	sc->et.et_priv = sc;
	et_register(&sc->et);
	return (0);
}

static device_method_t clock_methods[] = {
	/* Device interface */