diff options
Diffstat (limited to 'hw/ads7846.c')
| -rw-r--r-- | hw/ads7846.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/hw/ads7846.c b/hw/ads7846.c index d63a915419..8eeb143b11 100644 --- a/hw/ads7846.c +++ b/hw/ads7846.c @@ -104,10 +104,41 @@ static void ads7846_ts_event(void *opaque, if (s->pressure == !buttons_state) { s->pressure = !!buttons_state; - ads7846_int_update(s); + ads7846_int_update(s); } } +static void ads7846_save(QEMUFile *f, void *opaque) +{ + struct ads7846_state_s *s = (struct ads7846_state_s *) opaque; + int i; + + for (i = 0; i < 8; i ++) + qemu_put_be32(f, s->input[i]); + qemu_put_be32(f, s->noise); + qemu_put_be32(f, s->cycle); + qemu_put_be32(f, s->output); +} + +static int ads7846_load(QEMUFile *f, void *opaque, int version_id) +{ + struct ads7846_state_s *s = (struct ads7846_state_s *) opaque; + int i; + + for (i = 0; i < 8; i ++) + s->input[i] = qemu_get_be32(f); + s->noise = qemu_get_be32(f); + s->cycle = qemu_get_be32(f); + s->output = qemu_get_be32(f); + + s->pressure = 0; + ads7846_int_update(s); + + return 0; +} + +static int ads7846_iid = 0; + struct ads7846_state_s *ads7846_init(qemu_irq penirq) { struct ads7846_state_s *s; @@ -127,5 +158,9 @@ struct ads7846_state_s *ads7846_init(qemu_irq penirq) "QEMU ADS7846-driven Touchscreen"); ads7846_int_update(s); + + register_savevm("ads7846", ads7846_iid ++, 0, + ads7846_save, ads7846_load, s); + return s; } |