diff options
| -rw-r--r-- | hw/core/qdev.c | 20 | ||||
| -rw-r--r-- | hw/i386/pc_piix.c | 8 | ||||
| -rw-r--r-- | include/hw/qdev-core.h | 2 |
3 files changed, 22 insertions, 8 deletions
diff --git a/hw/core/qdev.c b/hw/core/qdev.c index c0b857fbd4..380976a066 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -440,27 +440,33 @@ DeviceState *qdev_find_recursive(BusState *bus, const char *id) static void qbus_realize(BusState *bus, DeviceState *parent, const char *name) { const char *typename = object_get_typename(OBJECT(bus)); + BusClass *bc; char *buf; - int i,len; + int i, len, bus_id; bus->parent = parent; if (name) { bus->name = g_strdup(name); } else if (bus->parent && bus->parent->id) { - /* parent device has id -> use it for bus name */ + /* parent device has id -> use it plus parent-bus-id for bus name */ + bus_id = bus->parent->num_child_bus; + len = strlen(bus->parent->id) + 16; buf = g_malloc(len); - snprintf(buf, len, "%s.%d", bus->parent->id, bus->parent->num_child_bus); + snprintf(buf, len, "%s.%d", bus->parent->id, bus_id); bus->name = buf; } else { - /* no id -> use lowercase bus type for bus name */ + /* no id -> use lowercase bus type plus global bus-id for bus name */ + bc = BUS_GET_CLASS(bus); + bus_id = bc->automatic_ids++; + len = strlen(typename) + 16; buf = g_malloc(len); - len = snprintf(buf, len, "%s.%d", typename, - bus->parent ? bus->parent->num_child_bus : 0); - for (i = 0; i < len; i++) + len = snprintf(buf, len, "%s.%d", typename, bus_id); + for (i = 0; i < len; i++) { buf[i] = qemu_tolower(buf[i]); + } bus->name = buf; } diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index d5dc1ef336..ae1699d6db 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -221,10 +221,16 @@ static void pc_init1(QEMUMachineInitArgs *args, } else { for(i = 0; i < MAX_IDE_BUS; i++) { ISADevice *dev; + char busname[] = "ide.0"; dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i], hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); - idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0"); + /* + * The ide bus name is ide.0 for the first bus and ide.1 for the + * second one. + */ + busname[4] = '0' + i; + idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); } } diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 276b336c09..1ed0691716 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -176,6 +176,8 @@ struct BusClass { void (*reset)(BusState *bus); /* maximum devices allowed on the bus, 0: no limit. */ int max_dev; + /* number of automatically allocated bus ids (e.g. ide.0) */ + int automatic_ids; }; typedef struct BusChild { |