| 176,14 → 176,21 |
|---|
| ASSERT(n >= IVT_IRQBASE); |
| |
| int inum = n - IVT_IRQBASE; |
| bool ack = false; |
| ASSERT(inum < IRQ_COUNT); |
| ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1)); |
| |
| |
| irq_t *irq = irq_dispatch_and_lock(inum); |
| if (irq) { |
| /* |
| * The IRQ handler was found. |
| */ |
| |
| if (irq->preack) { |
| /* Send EOI before processing the interrupt */ |
| trap_virtual_eoi(); |
| ack = true; |
| } |
| irq->handler(irq, irq->arg); |
| spinlock_unlock(&irq->lock); |
| } else { |
| 194,7 → 201,9 |
|---|
| printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum); |
| #endif |
| } |
| trap_virtual_eoi(); |
| |
| if (!ack) |
| trap_virtual_eoi(); |
| } |
| |
| void interrupt_init(void) |