DeviceState can be created as kid of DeviceState/CPUState, not neccesary attached to bus. This will be helpful to simulate the real hardware submodule which sits inside package.
Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com> --- hw/qdev.c | 28 ++++++++++++++++++++++++++++ hw/qdev.h | 1 + 2 files changed, 29 insertions(+), 0 deletions(-) diff --git a/hw/qdev.c b/hw/qdev.c index af54467..d2100a1 100644 --- a/hw/qdev.c +++ b/hw/qdev.c @@ -26,6 +26,7 @@ this API directly. */ #include "net.h" +#include "qemu/cpu.h" #include "qdev.h" #include "sysemu.h" #include "error.h" @@ -145,6 +146,33 @@ DeviceState *qdev_try_create(BusState *bus, const char *type) return dev; } +DeviceState *qdev_create_kid(Object *parent, const char *type) +{ + DeviceState *dev; + assert(parent); + + if (object_class_by_name(type) == NULL) { + return NULL; + } + + if (object_is_type_str(parent, TYPE_BUS)) { + return qdev_create(BUS(parent), type); + } + + if (!object_is_type_str(parent, TYPE_DEVICE) + || !object_is_type_str(parent, TYPE_CPU)) { + return NULL; + } + + dev = DEVICE(object_new(type)); + if (!dev) { + return NULL; + } + object_property_add_child(OBJECT(parent), type, OBJECT(dev), NULL); + + return dev; +} + /* Initialize a device. Device properties should be set before calling this function. IRQs and MMIO regions should be connected/mapped after calling this function. diff --git a/hw/qdev.h b/hw/qdev.h index f4683dc..aecc69e 100644 --- a/hw/qdev.h +++ b/hw/qdev.h @@ -154,6 +154,7 @@ typedef struct GlobalProperty { DeviceState *qdev_create(BusState *bus, const char *name); DeviceState *qdev_try_create(BusState *bus, const char *name); +DeviceState *qdev_create_kid(Object *parent, const char *type); bool qdev_exists(const char *name); int qdev_device_help(QemuOpts *opts); DeviceState *qdev_device_add(QemuOpts *opts); -- 1.7.4.4