C++ (Cpp) MPIC_INT_CTL Examples

Example #1

File: mpic.c Project: vocho/freebsd-base-graphics

static int
mpic_intr(void *arg)
{
	struct mv_mpic_softc *sc;
	struct trapframe *tf;
	struct intr_irqsrc *isrc;
	uint32_t cause, irqsrc;
	unsigned int irq;
	u_int cpuid;

	sc = arg;
	tf = curthread->td_intr_frame;
	cpuid = PCPU_GET(cpuid);
	irq = 0;

	for (cause = MPIC_CPU_READ(sc, MPIC_PPI_CAUSE); cause > 0;
	    cause >>= 1, irq++) {
		if (cause & 1) {
			irqsrc = MPIC_READ(sc, MPIC_INT_CTL(irq));
			if ((irqsrc & MPIC_INT_IRQ_FIQ_MASK(cpuid)) == 0)
				continue;
			isrc = sc->mpic_isrcs[irq];
			if (isrc == NULL) {
				device_printf(sc->sc_dev, "Stray interrupt %u detected\n", irq);
				mpic_mask_irq(irq);
				continue;
			}
			intr_irq_dispatch(isrc, tf);
		}
	}

	return (FILTER_HANDLED);
}

Example #2

File: mpic.c Project: Digital-Chaos/freebsd

static int
mpic_intr(void *arg)
{
	struct mv_mpic_softc *sc;
	uint32_t cause, irqsrc;
	unsigned int irq;
	u_int cpuid;

	sc = arg;
	cpuid = PCPU_GET(cpuid);
	irq = 0;

	for (cause = MPIC_CPU_READ(sc, MPIC_PPI_CAUSE); cause > 0;
	    cause >>= 1, irq++) {
		if (cause & 1) {
			irqsrc = MPIC_READ(sc, MPIC_INT_CTL(irq));
			if ((irqsrc & MPIC_INT_IRQ_FIQ_MASK(cpuid)) == 0)
				continue;
			if (intr_isrc_dispatch(&sc->mpic_isrcs[irq].mmi_isrc,
			    curthread->td_intr_frame) != 0) {
				mpic_mask_irq(irq);
				device_printf(sc->sc_dev, "Stray irq %u "
				    "disabled\n", irq);
			}
		}
	}

	return (FILTER_HANDLED);
}