irq                61 defs.h         void            ioapicenable(int irq, int cpu);
irq                71 ioapic.c       ioapicenable(int irq, int cpunum)
irq                79 ioapic.c         ioapicwrite(REG_TABLE+2*irq, T_IRQ0 + irq);
irq                80 ioapic.c         ioapicwrite(REG_TABLE+2*irq+1, cpunum << 24);
irq                26 picirq.c       picenable(int irq)
irq                28 picirq.c         picsetmask(irqmask & ~(1<<irq));