diff options
| -rw-r--r-- | hw/intc/ibex_plic.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/hw/intc/ibex_plic.c b/hw/intc/ibex_plic.c index 669247ef08..f49fa67c91 100644 --- a/hw/intc/ibex_plic.c +++ b/hw/intc/ibex_plic.c @@ -57,6 +57,8 @@ static void ibex_plic_irqs_set_pending(IbexPlicState *s, int irq, bool level) static bool ibex_plic_irqs_pending(IbexPlicState *s, uint32_t context) { int i; + uint32_t max_irq = 0; + uint32_t max_prio = s->threshold; for (i = 0; i < s->pending_num; i++) { uint32_t irq_num = ctz64(s->pending[i]) + (i * 32); @@ -66,14 +68,17 @@ static bool ibex_plic_irqs_pending(IbexPlicState *s, uint32_t context) continue; } - if (s->priority[irq_num] > s->threshold) { - if (!s->claim) { - s->claim = irq_num; - } - return true; + if (s->priority[irq_num] > max_prio) { + max_irq = irq_num; + max_prio = s->priority[irq_num]; } } + if (max_irq) { + s->claim = max_irq; + return true; + } + return false; } |