C++ (Cpp) powerpc_dispatch_intr Examples

Example #1

File: hrowpic.c Project: JabirTech/Source

static void
hrowpic_dispatch(device_t dev, struct trapframe *tf)
{
	struct hrowpic_softc *sc;
	uint64_t mask;
	uint32_t reg;
	u_int irq;

	sc = device_get_softc(dev);
	while (1) {
		mask = hrowpic_read_reg(sc, HPIC_STATUS, HPIC_SECONDARY);
		reg = hrowpic_read_reg(sc, HPIC_STATUS, HPIC_PRIMARY);
		mask = (mask << 32) | reg;
		if (mask == 0)
			break;

		irq = 0;
		while (irq < HROWPIC_IRQMAX) {
			if (mask & 1)
				powerpc_dispatch_intr(sc->sc_vector[irq], tf);
			mask >>= 1;
			irq++;
		}
	}
}

Example #2

void
openpic_dispatch(device_t dev, struct trapframe *tf)
{
	struct openpic_softc *sc;
	u_int cpuid, vector;

	CTR1(KTR_INTR, "%s: got interrupt", __func__);

	cpuid = (dev == root_pic) ? PCPU_GET(cpuid) : 0;

	sc = device_get_softc(dev);

	while (1) {
		vector = openpic_read(sc, OPENPIC_PCPU_IACK(cpuid));
		vector &= OPENPIC_VECTOR_MASK;
		if (vector == 255)
			break;
		powerpc_dispatch_intr(vector, tf);
	}
}

Example #3

File: ps3pic.c Project: edgar-pek/PerspicuOS

static void
ps3pic_dispatch(device_t dev, struct trapframe *tf)
{
	uint64_t bitmap, mask;
	int irq;
	struct ps3pic_softc *sc;

	sc = device_get_softc(dev);

	if (PCPU_GET(cpuid) == 0) {
		bitmap = sc->bitmap_thread0[0];
		mask = sc->mask_thread0[0];
	} else {
		bitmap = sc->bitmap_thread1[0];
		mask = sc->mask_thread1[0];
	}

	while ((irq = ffsl(bitmap & mask) - 1) != -1) {
		bitmap &= ~(1UL << irq);
		powerpc_dispatch_intr(sc->sc_vector[63 - irq], tf);
	}
}

Example #4

static void
atpic_dispatch(device_t dev, struct trapframe *tf)
{
	struct atpic_softc *sc;
	uint8_t irq;

	sc = device_get_softc(dev);
	atpic_write(sc, ATPIC_MASTER, 0, OCW3_SEL | OCW3_P);
	irq = atpic_read(sc, ATPIC_MASTER, 0);
	atpic_write(sc, ATPIC_MASTER, 0, OCW3_SEL | OCW3_RR);
	if ((irq & 0x80) == 0)
		return;

	if (irq == 0x82) {
		atpic_write(sc, ATPIC_SLAVE, 0, OCW3_SEL | OCW3_P);
		irq = atpic_read(sc, ATPIC_SLAVE, 0) + 8;
		atpic_write(sc, ATPIC_SLAVE, 0, OCW3_SEL | OCW3_RR);
		if ((irq & 0x80) == 0)
			return;
	}

	powerpc_dispatch_intr(sc->sc_vector[irq & 0x0f], tf);
}