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-rw-r--r--hw/openrisc/pic_cpu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/openrisc/pic_cpu.c b/hw/openrisc/pic_cpu.c
index 3fcee02..2af1d60 100644
--- a/hw/openrisc/pic_cpu.c
+++ b/hw/openrisc/pic_cpu.c
@@ -26,12 +26,14 @@ static void openrisc_pic_cpu_handler(void *opaque, int irq, int level)
{
OpenRISCCPU *cpu = (OpenRISCCPU *)opaque;
CPUState *cs = CPU(cpu);
- uint32_t irq_bit = 1 << irq;
+ uint32_t irq_bit;
if (irq > 31 || irq < 0) {
return;
}
+ irq_bit = 1U << irq;
+
if (level) {
cpu->env.picsr |= irq_bit;
} else {