diff --git a/lib/utils/irqchip/plic.c b/lib/utils/irqchip/plic.c index c5c18796..5b87d3bc 100644 --- a/lib/utils/irqchip/plic.c +++ b/lib/utils/irqchip/plic.c @@ -121,7 +121,7 @@ int plic_context_init(const struct plic_data *plic, int context_id, if (!plic || context_id < 0) return SBI_EINVAL; - ie_words = (plic->num_src + 31) / 32; + ie_words = plic->num_src / 32 + 1; ie_value = enable ? 0xffffffffU : 0U; for (u32 i = 0; i < ie_words; i++)