Revision 78ef2b69 hw/i8259.c
| b/hw/i8259.c | ||
|---|---|---|
| 228 | 228 |
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| 229 | 229 |
irq = pic_get_irq(&s->pics[0]); |
| 230 | 230 |
if (irq >= 0) {
|
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pic_intack(&s->pics[0], irq); |
|
| 232 | 231 |
if (irq == 2) {
|
| 233 | 232 |
irq2 = pic_get_irq(&s->pics[1]); |
| 234 | 233 |
if (irq2 >= 0) {
|
| ... | ... | |
| 238 | 237 |
irq2 = 7; |
| 239 | 238 |
} |
| 240 | 239 |
intno = s->pics[1].irq_base + irq2; |
| 241 |
#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_LATENCY) |
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irq = irq2 + 8; |
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#endif |
|
| 244 | 240 |
} else {
|
| 245 | 241 |
intno = s->pics[0].irq_base + irq; |
| 246 | 242 |
} |
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pic_intack(&s->pics[0], irq); |
|
| 247 | 244 |
} else {
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| 248 | 245 |
/* spurious IRQ on host controller */ |
| 249 | 246 |
irq = 7; |
| ... | ... | |
| 251 | 248 |
} |
| 252 | 249 |
pic_update_irq(s); |
| 253 | 250 |
|
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#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_LATENCY) |
|
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if (irq == 2) {
|
|
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irq = irq2 + 8; |
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} |
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| 255 |
#endif |
|
| 254 | 256 |
#ifdef DEBUG_IRQ_LATENCY |
| 255 | 257 |
printf("IRQ%d latency=%0.3fus\n",
|
| 256 | 258 |
irq, |
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