Ejemplo n.º 1
0
void
cpu_establish_softintr(const char *name, driver_filter_t *filt,
    void (*handler)(void*), void *arg, int irq, int flags,
    void **cookiep)
{
	struct intr_event *event;
	int error;

#if 0
	printf("Establish SOFT IRQ %d: filt %p handler %p arg %p\n",
	    irq, filt, handler, arg);
#endif
	if (irq < 0 || irq > NSOFT_IRQS)
		panic("%s called for unknown hard intr %d", __func__, irq);

	event = softintr_events[irq];
	if (event == NULL) {
		error = intr_event_create(&event, (void *)(uintptr_t)irq, 0,
		    irq, mips_mask_soft_irq, mips_unmask_soft_irq,
		    NULL, NULL, "sint%d:", irq);
		if (error)
			return;
		softintr_events[irq] = event;
		mips_unmask_soft_irq((void*)(uintptr_t)irq);
	}

	intr_event_add_handler(event, name, filt, handler, arg,
	    intr_priority(flags), flags, cookiep);

	mips_intrcnt_setname(mips_intr_counters[irq], event->ie_fullname);
}
Ejemplo n.º 2
0
Archivo: ciu.c Proyecto: coyizumi/cs111
static int
ciu_describe_intr(device_t bus, device_t child, struct resource *res,
		  void *cookie, const char *descr)
{
	struct intr_event *event;
	mips_intrcnt_t intrcnt;
	int error;
	int irq;
	
	irq = rman_get_start(res);
	if (irq <= CIU_IRQ_EN0_END) {
		event = ciu_en0_intr_events[irq - CIU_IRQ_EN0_BEGIN];
		intrcnt = ciu_en0_intrcnt[irq - CIU_IRQ_EN0_BEGIN];
	} else {
		event = ciu_en1_intr_events[irq - CIU_IRQ_EN1_BEGIN];
		intrcnt = ciu_en1_intrcnt[irq - CIU_IRQ_EN1_BEGIN];
	}

	error = intr_event_describe_handler(event, cookie, descr);
	if (error != 0)
		return (error);

	mips_intrcnt_setname(intrcnt, event->ie_fullname);

	return (0);
}
Ejemplo n.º 3
0
mips_intrcnt_t
mips_intrcnt_create(const char* name)
{
	mips_intrcnt_t counter = &intrcnt[intrcnt_index++];

	mips_intrcnt_setname(counter, name);
	return counter;
}
Ejemplo n.º 4
0
Archivo: ciu.c Proyecto: coyizumi/cs111
static int
ciu_setup_intr(device_t bus, device_t child, struct resource *res, int flags,
	       driver_filter_t *filter, driver_intr_t *intr, void *arg,
	       void **cookiep)
{
	struct intr_event *event, **eventp;
	void (*mask_func)(void *);
	void (*unmask_func)(void *);
	int (*bind_func)(void *, u_char);
	mips_intrcnt_t intrcnt;
	int error;
	int irq;

	irq = rman_get_start(res);
	if (irq <= CIU_IRQ_EN0_END) {
		eventp = &ciu_en0_intr_events[irq - CIU_IRQ_EN0_BEGIN];
		intrcnt = ciu_en0_intrcnt[irq - CIU_IRQ_EN0_BEGIN];
		mask_func = ciu_en0_intr_mask;
		unmask_func = ciu_en0_intr_unmask;
#ifdef SMP
		bind_func = ciu_en0_intr_bind;
#endif
	} else {
		eventp = &ciu_en1_intr_events[irq - CIU_IRQ_EN1_BEGIN];
		intrcnt = ciu_en1_intrcnt[irq - CIU_IRQ_EN1_BEGIN];
		mask_func = ciu_en1_intr_mask;
		unmask_func = ciu_en1_intr_unmask;
#ifdef SMP
		bind_func = ciu_en1_intr_bind;
#endif
	}
#if !defined(SMP)
	bind_func = NULL;
#endif

	if ((event = *eventp) == NULL) {
		error = intr_event_create(eventp, (void *)(uintptr_t)irq, 0,
		    irq, mask_func, unmask_func, NULL, bind_func, "int%d", irq);
		if (error != 0)
			return (error);

		event = *eventp;

		unmask_func((void *)(uintptr_t)irq);
	}

	intr_event_add_handler(event, device_get_nameunit(child),
	    filter, intr, arg, intr_priority(flags), flags, cookiep);

	mips_intrcnt_setname(intrcnt, event->ie_fullname);

	return (0);
}
Ejemplo n.º 5
0
static int
apb_setup_intr(device_t bus, device_t child, struct resource *ires,
		int flags, driver_filter_t *filt, driver_intr_t *handler,
		void *arg, void **cookiep)
{
	struct apb_softc *sc = device_get_softc(bus);
	struct intr_event *event;
	int irq, error;

	irq = rman_get_start(ires);

	if (irq > APB_IRQ_END)
		panic("%s: bad irq %d", __func__, irq);

	event = sc->sc_eventstab[irq];
	if (event == NULL) {
		error = intr_event_create(&event, (void *)irq, 0, irq, 
		    apb_mask_irq, apb_unmask_irq,
		    NULL, NULL,
		    "apb intr%d:", irq);

		if (error == 0) {
			sc->sc_eventstab[irq] = event;
			sc->sc_intr_counter[irq] =
			    mips_intrcnt_create(event->ie_name);
		}
		else
			return (error);
	}

	intr_event_add_handler(event, device_get_nameunit(child), filt,
	    handler, arg, intr_priority(flags), flags, cookiep);
	mips_intrcnt_setname(sc->sc_intr_counter[irq], event->ie_fullname);

	apb_unmask_irq((void*)irq);

	return (0);
}
Ejemplo n.º 6
0
void
cpu_establish_hardintr(const char *name, driver_filter_t *filt,
    void (*handler)(void*), void *arg, int irq, int flags, void **cookiep)
{
	struct intr_event *event;
	int error;

	/*
	 * We have 6 levels, but thats 0 - 5 (not including 6)
	 */
	if (irq < 0 || irq >= NHARD_IRQS)
		panic("%s called for unknown hard intr %d", __func__, irq);

	if (hardintr_mask_func == NULL)
		hardintr_mask_func = mips_mask_hard_irq;

	if (hardintr_unmask_func == NULL)
		hardintr_unmask_func = mips_unmask_hard_irq;

	event = hardintr_events[irq];
	if (event == NULL) {
		error = intr_event_create(&event, (void *)(uintptr_t)irq, 0,
		    irq, hardintr_mask_func, hardintr_unmask_func,
		    NULL, NULL, "int%d", irq);
		if (error)
			return;
		hardintr_events[irq] = event;
		mips_unmask_hard_irq((void*)(uintptr_t)irq);
	}

	intr_event_add_handler(event, name, filt, handler, arg,
	    intr_priority(flags), flags, cookiep);

	mips_intrcnt_setname(mips_intr_counters[NSOFT_IRQS + irq],
			     event->ie_fullname);
}
Ejemplo n.º 7
0
static int
apb_setup_intr(device_t bus, device_t child, struct resource *ires,
		int flags, driver_filter_t *filt, driver_intr_t *handler,
		void *arg, void **cookiep)
{
	struct apb_softc *sc = device_get_softc(bus);
	int error;
	int irq;
#ifndef INTRNG
	struct intr_event *event;
#endif

#ifdef INTRNG
	struct intr_irqsrc *isrc;
	const char *name;
	
	if ((rman_get_flags(ires) & RF_SHAREABLE) == 0)
		flags |= INTR_EXCL;

	irq = rman_get_start(ires);
	isrc = PIC_INTR_ISRC(sc, irq);
	if(isrc->isrc_event == 0) {
		error = intr_event_create(&isrc->isrc_event, (void *)irq,
		    0, irq, apb_mask_irq, apb_unmask_irq,
		    NULL, NULL, "apb intr%d:", irq);
		if(error != 0)
			return(error);
	}
	name = device_get_nameunit(child);
	error = intr_event_add_handler(isrc->isrc_event, name, filt, handler,
            arg, intr_priority(flags), flags, cookiep);
	return(error);
#else
	irq = rman_get_start(ires);

	if (irq > APB_IRQ_END)
		panic("%s: bad irq %d", __func__, irq);

	event = sc->sc_eventstab[irq];
	if (event == NULL) {
		error = intr_event_create(&event, (void *)irq, 0, irq, 
		    apb_mask_irq, apb_unmask_irq,
		    NULL, NULL,
		    "apb intr%d:", irq);

		if (error == 0) {
			sc->sc_eventstab[irq] = event;
			sc->sc_intr_counter[irq] =
			    mips_intrcnt_create(event->ie_name);
		}
		else
			return (error);
	}

	intr_event_add_handler(event, device_get_nameunit(child), filt,
	    handler, arg, intr_priority(flags), flags, cookiep);
	mips_intrcnt_setname(sc->sc_intr_counter[irq], event->ie_fullname);

	apb_unmask_irq((void*)irq);

	return (0);
#endif
}