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Wed, 25 May 2016 14:39:16 +0800 (CST) From: xiaoqiang zhao To: qemu-devel@nongnu.org Date: Wed, 25 May 2016 14:39:01 +0800 Message-Id: <1464158344-12266-3-git-send-email-zxq_yx_007@163.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1464158344-12266-1-git-send-email-zxq_yx_007@163.com> References: <1464158344-12266-1-git-send-email-zxq_yx_007@163.com> X-CM-TRANSID: C8CowAC34niLSEVXFUNKEA--.11746S4 X-Coremail-Antispam: 1Uf129KBjvJXoWxXF45JrW8Ar13GF18urW8tFb_yoWrXF4DpF Z7CF43Gr1DKFsxJwnIgr48GF15WF4xC3ySk34xWw4Syw4akr9YvFn8G3W29ryUWrWkZF45 ZrWDA34UAa10kw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jy_M3UUUUU= X-Originating-IP: [118.187.28.42] X-CM-SenderInfo: 520ts5t0bqili6rwjhhfrp/1tbiMxR0xlXlgezW7gAAsw X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.11 Subject: [Qemu-devel] [PATCH v6 2/5] hw/char: QOM'ify etraxfs_ser.c X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, agraf@suse.de, armbru@redhat.com, michael@walle.cc, edgar.iglesias@gmail.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP * Drop the old SysBus init function and use instance_init * Call qemu_chr_add_handlers in the realize callback * Use qdev chardev prop instead of qemu_char_get_next_serial * Add etraxfs_ser_create function to create etraxfs serial device Signed-off-by: xiaoqiang zhao --- hw/char/etraxfs_ser.c | 27 +++++++++++++++++---------- hw/cris/axis_dev88.c | 4 ++-- include/hw/cris/etraxfs.h | 16 ++++++++++++++++ 3 files changed, 35 insertions(+), 12 deletions(-) diff --git a/hw/char/etraxfs_ser.c b/hw/char/etraxfs_ser.c index 146b387..04ca04f 100644 --- a/hw/char/etraxfs_ser.c +++ b/hw/char/etraxfs_ser.c @@ -159,6 +159,11 @@ static const MemoryRegionOps ser_ops = { } }; +static Property etraxfs_ser_properties[] = { + DEFINE_PROP_CHR("chardev", ETRAXSerial, chr), + DEFINE_PROP_END_OF_LIST(), +}; + static void serial_receive(void *opaque, const uint8_t *buf, int size) { ETRAXSerial *s = opaque; @@ -209,40 +214,42 @@ static void etraxfs_ser_reset(DeviceState *d) } -static int etraxfs_ser_init(SysBusDevice *dev) +static void etraxfs_ser_init(Object *obj) { - ETRAXSerial *s = ETRAX_SERIAL(dev); + ETRAXSerial *s = ETRAX_SERIAL(obj); + SysBusDevice *dev = SYS_BUS_DEVICE(obj); sysbus_init_irq(dev, &s->irq); - memory_region_init_io(&s->mmio, OBJECT(s), &ser_ops, s, + memory_region_init_io(&s->mmio, obj, &ser_ops, s, "etraxfs-serial", R_MAX * 4); sysbus_init_mmio(dev, &s->mmio); +} + +static void etraxfs_ser_realize(DeviceState *dev, Error **errp) +{ + ETRAXSerial *s = ETRAX_SERIAL(dev); - /* FIXME use a qdev chardev prop instead of qemu_char_get_next_serial() */ - s->chr = qemu_char_get_next_serial(); if (s->chr) { qemu_chr_add_handlers(s->chr, serial_can_receive, serial_receive, serial_event, s); } - return 0; } static void etraxfs_ser_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - k->init = etraxfs_ser_init; dc->reset = etraxfs_ser_reset; - /* Reason: init() method uses qemu_char_get_next_serial() */ - dc->cannot_instantiate_with_device_add_yet = true; + dc->props = etraxfs_ser_properties; + dc->realize = etraxfs_ser_realize; } static const TypeInfo etraxfs_ser_info = { .name = TYPE_ETRAX_FS_SERIAL, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(ETRAXSerial), + .instance_init = etraxfs_ser_init, .class_init = etraxfs_ser_class_init, }; diff --git a/hw/cris/axis_dev88.c b/hw/cris/axis_dev88.c index 9f58658..60df887 100644 --- a/hw/cris/axis_dev88.c +++ b/hw/cris/axis_dev88.c @@ -37,6 +37,7 @@ #include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" +#include "sysemu/sysemu.h" #define D(x) #define DNAND(x) @@ -341,8 +342,7 @@ void axisdev88_init(MachineState *machine) sysbus_create_varargs("etraxfs,timer", 0x3005e000, irq[0x1b], nmi[1], NULL); for (i = 0; i < 4; i++) { - sysbus_create_simple("etraxfs,serial", 0x30026000 + i * 0x2000, - irq[0x14 + i]); + etraxfs_ser_create(0x30026000 + i * 0x2000, irq[0x14 + i], serial_hds[i]); } if (kernel_filename) { diff --git a/include/hw/cris/etraxfs.h b/include/hw/cris/etraxfs.h index 73a6134..eb66418 100644 --- a/include/hw/cris/etraxfs.h +++ b/include/hw/cris/etraxfs.h @@ -46,4 +46,20 @@ etraxfs_eth_init(NICInfo *nd, hwaddr base, int phyaddr, return dev; } +static inline DeviceState *etraxfs_ser_create(hwaddr addr, + qemu_irq irq, + CharDriverState *chr) +{ + DeviceState *dev; + SysBusDevice *s; + + dev = qdev_create(NULL, "etraxfs,serial"); + s = SYS_BUS_DEVICE(dev); + qdev_prop_set_chr(dev, "chardev", chr); + qdev_init_nofail(dev); + sysbus_mmio_map(s, 0, addr); + sysbus_connect_irq(s, 0, irq); + return dev; +} + #endif