diff options
Diffstat (limited to 'hw/misc')
-rw-r--r-- | hw/misc/macio/mac_dbdma.c | 59 |
1 files changed, 49 insertions, 10 deletions
diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c index 9795172..302f131 100644 --- a/hw/misc/macio/mac_dbdma.c +++ b/hw/misc/macio/mac_dbdma.c @@ -851,13 +851,14 @@ static const VMStateDescription vmstate_dbdma = { } }; -static void dbdma_reset(void *opaque) +static void mac_dbdma_reset(DeviceState *d) { - DBDMAState *s = opaque; + DBDMAState *s = MAC_DBDMA(d); int i; - for (i = 0; i < DBDMA_CHANNELS; i++) + for (i = 0; i < DBDMA_CHANNELS; i++) { memset(s->channels[i].regs, 0, DBDMA_SIZE); + } } static void dbdma_unassigned_rw(DBDMA_io *io) @@ -888,9 +889,22 @@ static void dbdma_unassigned_flush(DBDMA_io *io) void* DBDMA_init (MemoryRegion **dbdma_mem) { DBDMAState *s; - int i; + SysBusDevice *sbd; + + s = MAC_DBDMA(object_new(TYPE_MAC_DBDMA)); + object_property_set_bool(OBJECT(s), true, "realized", NULL); + + sbd = SYS_BUS_DEVICE(s); + *dbdma_mem = sysbus_mmio_get_region(sbd, 0); - s = g_malloc0(sizeof(DBDMAState)); + return s; +} + +static void mac_dbdma_init(Object *obj) +{ + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + DBDMAState *s = MAC_DBDMA(obj); + int i; for (i = 0; i < DBDMA_CHANNELS; i++) { DBDMA_channel *ch = &s->channels[i]; @@ -901,12 +915,37 @@ void* DBDMA_init (MemoryRegion **dbdma_mem) ch->io.channel = ch; } - memory_region_init_io(&s->mem, NULL, &dbdma_ops, s, "dbdma", 0x1000); - *dbdma_mem = &s->mem; - vmstate_register(NULL, -1, &vmstate_dbdma, s); - qemu_register_reset(dbdma_reset, s); + memory_region_init_io(&s->mem, obj, &dbdma_ops, s, "dbdma", 0x1000); + sysbus_init_mmio(sbd, &s->mem); +} + +static void mac_dbdma_realize(DeviceState *dev, Error **errp) +{ + DBDMAState *s = MAC_DBDMA(dev); s->bh = qemu_bh_new(DBDMA_run_bh, s); +} - return s; +static void mac_dbdma_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = mac_dbdma_realize; + dc->reset = mac_dbdma_reset; + dc->vmsd = &vmstate_dbdma; } + +static const TypeInfo mac_dbdma_type_info = { + .name = TYPE_MAC_DBDMA, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(DBDMAState), + .instance_init = mac_dbdma_init, + .class_init = mac_dbdma_class_init +}; + +static void mac_dbdma_register_types(void) +{ + type_register_static(&mac_dbdma_type_info); +} + +type_init(mac_dbdma_register_types) |