diff options
| -rw-r--r-- | hw/goldfish_events_device.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/goldfish_events_device.c b/hw/goldfish_events_device.c index afc1724..f9775bf 100644 --- a/hw/goldfish_events_device.c +++ b/hw/goldfish_events_device.c @@ -328,6 +328,17 @@ events_set_bit(events_state* s, int type, int bit) events_set_bits(s, type, bit, bit); } +static void +events_clr_bit(events_state* s, int type, int bit) +{ + int ii = bit / 8; + if (ii < s->ev_bits[type].len) { + uint8_t* bits = s->ev_bits[type].bits; + uint8_t mask = 0x01U << (bit & 7); + bits[ii] &= ~mask; + } +} + void events_dev_init(uint32_t base, qemu_irq irq) { events_state *s; @@ -409,6 +420,18 @@ void events_dev_init(uint32_t base, qemu_irq irq) */ events_set_bits(s, EV_KEY, 1, 0xff); events_set_bits(s, EV_KEY, 0x160, 0x1ff); + + /* If there is a keyboard, but no DPad, we need to clear the + * corresponding bits. Doing this is simpler than trying to exclude + * the DPad values from the ranges above. + */ + if (!config->hw_dPad) { + events_clr_bit(s, EV_KEY, KEY_DOWN); + events_clr_bit(s, EV_KEY, KEY_UP); + events_clr_bit(s, EV_KEY, KEY_LEFT); + events_clr_bit(s, EV_KEY, KEY_RIGHT); + events_clr_bit(s, EV_KEY, KEY_CENTER); + } } /* configure EV_REL array |