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| Rev 2265 | Rev 2292 | ||
|---|---|---|---|
| Line 174... | Line 174... | ||
| 174 | static void irq_interrupt(int n, istate_t *istate) |
174 | static void irq_interrupt(int n, istate_t *istate) |
| 175 | { |
175 | { |
| 176 | ASSERT(n >= IVT_IRQBASE); |
176 | ASSERT(n >= IVT_IRQBASE); |
| 177 | 177 | ||
| 178 | int inum = n - IVT_IRQBASE; |
178 | int inum = n - IVT_IRQBASE; |
| 179 | bool ack = false; |
- | |
| 180 | ASSERT(inum < IRQ_COUNT); |
179 | ASSERT(inum < IRQ_COUNT); |
| 181 | ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1)); |
180 | ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1)); |
| 182 | 181 | ||
| 183 | irq_t *irq = irq_dispatch_and_lock(inum); |
182 | irq_t *irq = irq_dispatch_and_lock(inum); |
| 184 | if (irq) { |
183 | if (irq) { |
| 185 | /* |
184 | /* |
| 186 | * The IRQ handler was found. |
185 | * The IRQ handler was found. |
| 187 | */ |
186 | */ |
| 188 | - | ||
| 189 | if (irq->preack) { |
- | |
| 190 | /* Send EOI before processing the interrupt */ |
- | |
| 191 | trap_virtual_eoi(); |
- | |
| 192 | ack = true; |
- | |
| 193 | } |
- | |
| 194 | irq->handler(irq, irq->arg); |
187 | irq->handler(irq, irq->arg); |
| 195 | spinlock_unlock(&irq->lock); |
188 | spinlock_unlock(&irq->lock); |
| 196 | } else { |
189 | } else { |
| 197 | /* |
190 | /* |
| 198 | * Spurious interrupt. |
191 | * Spurious interrupt. |
| 199 | */ |
192 | */ |
| 200 | #ifdef CONFIG_DEBUG |
193 | #ifdef CONFIG_DEBUG |
| 201 | printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum); |
194 | printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum); |
| 202 | #endif |
195 | #endif |
| 203 | } |
196 | } |
| 204 | - | ||
| 205 | if (!ack) |
- | |
| 206 | trap_virtual_eoi(); |
197 | trap_virtual_eoi(); |
| 207 | } |
198 | } |
| 208 | 199 | ||
| 209 | void interrupt_init(void) |
200 | void interrupt_init(void) |
| 210 | { |
201 | { |
| Line 244... | Line 235... | ||
| 244 | panic("no disable_irqs_function\n"); |
235 | panic("no disable_irqs_function\n"); |
| 245 | } |
236 | } |
| 246 | 237 | ||
| 247 | /** @} |
238 | /** @} |
| 248 | */ |
239 | */ |
| 249 | - | ||