diff options
-rw-r--r-- | hw/intc/sifive_plic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c index af4ae3630e..f864efa761 100644 --- a/hw/intc/sifive_plic.c +++ b/hw/intc/sifive_plic.c @@ -180,8 +180,10 @@ static void sifive_plic_write(void *opaque, hwaddr addr, uint64_t value, if (addr_between(addr, plic->priority_base, plic->num_sources << 2)) { uint32_t irq = ((addr - plic->priority_base) >> 2) + 1; - plic->source_priority[irq] = value & 7; - sifive_plic_update(plic); + if (value <= plic->num_priorities) { + plic->source_priority[irq] = value; + sifive_plic_update(plic); + } } else if (addr_between(addr, plic->pending_base, plic->num_sources >> 3)) { qemu_log_mask(LOG_GUEST_ERROR, |