diff options
| -rw-r--r-- | hw/char/serial.c | 64 | ||||
| -rw-r--r-- | include/hw/char/serial.h | 13 |
2 files changed, 64 insertions, 13 deletions
diff --git a/hw/char/serial.c b/hw/char/serial.c index b3927c7..3bcb7a6 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -985,22 +985,63 @@ const MemoryRegionOps serial_io_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; -SerialState *serial_init(int base, qemu_irq irq, int baudbase, - Chardev *chr, MemoryRegion *system_io) +static void serial_io_realize(DeviceState *dev, Error **errp) { - DeviceState *dev = DEVICE(object_new(TYPE_SERIAL)); - SerialState *s = SERIAL(dev); + SerialIO *sio = SERIAL_IO(dev); + SerialState *s = &sio->serial; + Error *local_err = NULL; - s->irq = irq; - qdev_prop_set_uint32(dev, "baudbase", baudbase); - qdev_prop_set_chr(dev, "chardev", chr); - qdev_set_legacy_instance_id(dev, base, 2); - qdev_init_nofail(dev); + object_property_set_bool(OBJECT(s), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } memory_region_init_io(&s->io, NULL, &serial_io_ops, s, "serial", 8); - memory_region_add_subregion(system_io, base, &s->io); + sysbus_init_irq(SYS_BUS_DEVICE(sio), &s->irq); +} + +static void serial_io_class_init(ObjectClass *klass, void* data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = serial_io_realize; + /* No dc->vmsd: class has no migratable state */ +} + +static void serial_io_instance_init(Object *o) +{ + SerialIO *sio = SERIAL_IO(o); + + object_initialize_child(o, "serial", &sio->serial, sizeof(sio->serial), + TYPE_SERIAL, &error_abort, NULL); + + qdev_alias_all_properties(DEVICE(&sio->serial), o); +} + + +static const TypeInfo serial_io_info = { + .name = TYPE_SERIAL_IO, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SerialIO), + .instance_init = serial_io_instance_init, + .class_init = serial_io_class_init, +}; + +SerialIO *serial_init(int base, qemu_irq irq, int baudbase, + Chardev *chr, MemoryRegion *system_io) +{ + SerialIO *sio = SERIAL_IO(qdev_create(NULL, TYPE_SERIAL_IO)); + + qdev_prop_set_uint32(DEVICE(sio), "baudbase", baudbase); + qdev_prop_set_chr(DEVICE(sio), "chardev", chr); + qdev_set_legacy_instance_id(DEVICE(sio), base, 2); + qdev_init_nofail(DEVICE(sio)); + + sysbus_connect_irq(SYS_BUS_DEVICE(sio), 0, irq); + memory_region_add_subregion(system_io, base, &sio->serial.io); - return s; + return sio; } static Property serial_properties[] = { @@ -1149,6 +1190,7 @@ static const TypeInfo serial_mm_info = { static void serial_register_types(void) { type_register_static(&serial_info); + type_register_static(&serial_io_info); type_register_static(&serial_mm_info); } diff --git a/include/hw/char/serial.h b/include/hw/char/serial.h index d586924..d356ba8 100644 --- a/include/hw/char/serial.h +++ b/include/hw/char/serial.h @@ -88,6 +88,12 @@ typedef struct SerialMM { uint8_t endianness; } SerialMM; +typedef struct SerialIO { + SysBusDevice parent; + + SerialState serial; +} SerialIO; + extern const VMStateDescription vmstate_serial; extern const MemoryRegionOps serial_io_ops; @@ -99,8 +105,11 @@ void serial_set_frequency(SerialState *s, uint32_t frequency); #define TYPE_SERIAL_MM "serial-mm" #define SERIAL_MM(s) OBJECT_CHECK(SerialMM, (s), TYPE_SERIAL_MM) -SerialState *serial_init(int base, qemu_irq irq, int baudbase, - Chardev *chr, MemoryRegion *system_io); +#define TYPE_SERIAL_IO "serial-io" +#define SERIAL_IO(s) OBJECT_CHECK(SerialIO, (s), TYPE_SERIAL_IO) + +SerialIO *serial_init(int base, qemu_irq irq, int baudbase, + Chardev *chr, MemoryRegion *system_io); SerialMM *serial_mm_init(MemoryRegion *address_space, hwaddr base, int regshift, qemu_irq irq, int baudbase, |