diff options
Diffstat (limited to 'hw/openrisc/pic_cpu.c')
| -rw-r--r-- | hw/openrisc/pic_cpu.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/hw/openrisc/pic_cpu.c b/hw/openrisc/pic_cpu.c index ca0b7c11bd..2af1d6013a 100644 --- a/hw/openrisc/pic_cpu.c +++ b/hw/openrisc/pic_cpu.c @@ -26,26 +26,25 @@ static void openrisc_pic_cpu_handler(void *opaque, int irq, int level) { OpenRISCCPU *cpu = (OpenRISCCPU *)opaque; CPUState *cs = CPU(cpu); - int i; - 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 { cpu->env.picsr &= ~irq_bit; } - for (i = 0; i < 32; i++) { - if ((cpu->env.picsr && (1 << i)) && (cpu->env.picmr && (1 << i))) { - cpu_interrupt(cs, CPU_INTERRUPT_HARD); - } else { - cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); - cpu->env.picsr &= ~(1 << i); - } + if (cpu->env.picsr & cpu->env.picmr) { + cpu_interrupt(cs, CPU_INTERRUPT_HARD); + } else { + cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); + cpu->env.picsr = 0; } } |