diff options
Diffstat (limited to 'hw/slavio_intctl.c')
| -rw-r--r-- | hw/slavio_intctl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/slavio_intctl.c b/hw/slavio_intctl.c index fd69354bb3..a83e5b8272 100644 --- a/hw/slavio_intctl.c +++ b/hw/slavio_intctl.c @@ -289,7 +289,12 @@ static void slavio_check_interrupts(SLAVIO_INTCTLState *s, int set_irqs) pil_pending |= (s->slaves[i].intreg_pending & CPU_SOFTIRQ_MASK) >> 16; if (set_irqs) { - for (j = MAX_PILS; j > 0; j--) { + /* Since there is not really an interrupt 0 (and pil_pending + * and irl_out bit zero are thus always zero) there is no need + * to do anything with cpu_irqs[i][0] and it is OK not to do + * the j=0 iteration of this loop. + */ + for (j = MAX_PILS-1; j > 0; j--) { if (pil_pending & (1 << j)) { if (!(s->slaves[i].irl_out & (1 << j))) { qemu_irq_raise(s->cpu_irqs[i][j]); |