| 60,7 → 60,6 |
|---|
| int inum; |
| |
| while ((inum = pic_get_pending()) != -1) { |
| bool ack = false; |
| irq_t *irq = irq_dispatch_and_lock(inum); |
| if (irq) { |
| /* |
| 69,11 → 68,17 |
|---|
| |
| if (irq->preack) { |
| /* Acknowledge the interrupt before processing */ |
| pic_ack_interrupt(inum); |
| ack = true; |
| if (irq->cir) |
| irq->cir(irq->cir_arg, irq->inr); |
| } |
| |
| irq->handler(irq); |
| |
| if (!irq->preack) { |
| if (irq->cir) |
| irq->cir(irq->cir_arg, irq->inr); |
| } |
| |
| spinlock_unlock(&irq->lock); |
| } else { |
| /* |
| 83,9 → 88,6 |
|---|
| printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, inum); |
| #endif |
| } |
| |
| if (!ack) |
| pic_ack_interrupt(inum); |
| } |
| } |
| |