diff options
Diffstat (limited to 'hw/input/pckbd.c')
-rw-r--r-- | hw/input/pckbd.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c index 1d932ec19f..dc57e2c762 100644 --- a/hw/input/pckbd.c +++ b/hw/input/pckbd.c @@ -146,7 +146,7 @@ typedef struct KBDState { qemu_irq irq_kbd; qemu_irq irq_mouse; - qemu_irq *a20_out; + qemu_irq a20_out; hwaddr mask; } KBDState; @@ -224,9 +224,7 @@ static void outport_write(KBDState *s, uint32_t val) { DPRINTF("kbd: write outport=0x%02x\n", val); s->outport = val; - if (s->a20_out) { - qemu_set_irq(*s->a20_out, (val >> 1) & 1); - } + qemu_set_irq(s->a20_out, (val >> 1) & 1); if (!(val & 1)) { qemu_system_reset_request(); } @@ -295,15 +293,11 @@ static void kbd_write_command(void *opaque, hwaddr addr, kbd_queue(s, s->outport, 0); break; case KBD_CCMD_ENABLE_A20: - if (s->a20_out) { - qemu_irq_raise(*s->a20_out); - } + qemu_irq_raise(s->a20_out); s->outport |= KBD_OUT_A20; break; case KBD_CCMD_DISABLE_A20: - if (s->a20_out) { - qemu_irq_lower(*s->a20_out); - } + qemu_irq_lower(s->a20_out); s->outport &= ~KBD_OUT_A20; break; case KBD_CCMD_RESET: @@ -507,10 +501,7 @@ void i8042_isa_mouse_fake_event(void *opaque) void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out) { - ISAKBDState *isa = I8042(dev); - KBDState *s = &isa->kbd; - - s->a20_out = a20_out; + qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, *a20_out); } static const VMStateDescription vmstate_kbd_isa = { @@ -552,6 +543,8 @@ static void i8042_initfn(Object *obj) "i8042-data", 1); memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, "i8042-cmd", 1); + + qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1); } static void i8042_realizefn(DeviceState *dev, Error **errp) |