From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37577) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fddYp-0005IN-Ag for qemu-devel@nongnu.org; Thu, 12 Jul 2018 11:31:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fddYo-0007vt-Dw for qemu-devel@nongnu.org; Thu, 12 Jul 2018 11:31:15 -0400 From: Thomas Huth Date: Thu, 12 Jul 2018 17:31:00 +0200 Message-Id: <1531409463-3843-3-git-send-email-thuth@redhat.com> In-Reply-To: <1531409463-3843-1-git-send-email-thuth@redhat.com> References: <1531409463-3843-1-git-send-email-thuth@redhat.com> Subject: [Qemu-devel] [PATCH 2/5] hw/core/sysbus: Add a function for creating and attaching an object List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, Peter Maydell , Paolo Bonzini Cc: qemu-arm@nongnu.org, Markus Armbruster , Eduardo Habkost A lot of functions are initializing an object and attach it immediately afterwards to the system bus. Provide a common function for this, which also uses object_initialize_as_child() to make sure that the reference counter is correctly initialized to 1 afterwards. Signed-off-by: Thomas Huth --- hw/core/sysbus.c | 8 ++++++++ include/hw/sysbus.h | 3 +++ 2 files changed, 11 insertions(+) diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index ecfb0cf..c164318 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -376,6 +376,14 @@ BusState *sysbus_get_default(void) return main_system_bus; } +void sysbus_init_child_obj(Object *parent, const char *childname, void *child, + size_t childsize, const char *childtype) +{ + object_initialize_as_child(parent, childname, child, childsize, childtype, + &error_abort); + qdev_set_parent_bus(DEVICE(child), sysbus_get_default()); +} + static void sysbus_register_types(void) { type_register_static(&system_bus_info); diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index e88bb6d..e405232 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -96,6 +96,9 @@ void sysbus_add_io(SysBusDevice *dev, hwaddr addr, MemoryRegion *mem); MemoryRegion *sysbus_address_space(SysBusDevice *dev); +void sysbus_init_child_obj(Object *parent, const char *childname, void *child, + size_t childsize, const char *childtype); + /* Call func for every dynamically created sysbus device in the system */ void foreach_dynamic_sysbus_device(FindSysbusDeviceFunc *func, void *opaque); -- 1.8.3.1