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Thu, 19 May 2016 11:43:54 +0800 (CST) From: xiaoqiang zhao To: qemu-devel@nongnu.org Date: Thu, 19 May 2016 11:43:37 +0800 Message-Id: <1463629417-31330-5-git-send-email-zxq_yx_007@163.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1463629417-31330-1-git-send-email-zxq_yx_007@163.com> References: <1463629417-31330-1-git-send-email-zxq_yx_007@163.com> X-CM-TRANSID: C8CowACHS3lrNj1XtX2nDg--.29618S6 X-Coremail-Antispam: 1Uf129KBjvJXoWxXF4UuryfZF1Utw17Zr15twb_yoWrAw47pF WUWFnxJr4UGFs7XFZ3XF18GFn3tw18GF1xt34xJrs2v3ZrGry0qFnYk390vay2qFZ5uFZx ZFWUJr18Ja17JrJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jxMa8UUUUU= X-Originating-IP: [118.187.28.42] X-CM-SenderInfo: 520ts5t0bqili6rwjhhfrp/xtbB0h1uxlUL+6W9fAAAsm X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.11 Subject: [Qemu-devel] [PATCH v4 4/4] hw/char: QOM'ify lm32_uart.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: pbonzini@redhat.com, michael@walle.cc, edgar.iglesias@gmail.com, agraf@suse.de, peter.maydell@linaro.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org 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 lm32_uart_create function to create lm32 uart device Signed-off-by: xiaoqiang zhao --- hw/char/lm32_uart.c | 28 +++++++++++++++++----------- hw/lm32/lm32.h | 16 ++++++++++++++++ hw/lm32/lm32_boards.c | 4 ++-- 3 files changed, 35 insertions(+), 13 deletions(-) diff --git a/hw/char/lm32_uart.c b/hw/char/lm32_uart.c index 036813d..b5c760d 100644 --- a/hw/char/lm32_uart.c +++ b/hw/char/lm32_uart.c @@ -249,23 +249,25 @@ static void uart_reset(DeviceState *d) s->regs[R_LSR] = LSR_THRE | LSR_TEMT; } -static int lm32_uart_init(SysBusDevice *dev) +static void lm32_uart_init(Object *obj) { - LM32UartState *s = LM32_UART(dev); + LM32UartState *s = LM32_UART(obj); + SysBusDevice *dev = SYS_BUS_DEVICE(obj); sysbus_init_irq(dev, &s->irq); - memory_region_init_io(&s->iomem, OBJECT(s), &uart_ops, s, + memory_region_init_io(&s->iomem, obj, &uart_ops, s, "uart", R_MAX * 4); sysbus_init_mmio(dev, &s->iomem); +} + +static void lm32_uart_realize(DeviceState *dev, Error **errp) +{ + LM32UartState *s = LM32_UART(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, uart_can_rx, uart_rx, uart_event, s); } - - return 0; } static const VMStateDescription vmstate_lm32_uart = { @@ -278,22 +280,26 @@ static const VMStateDescription vmstate_lm32_uart = { } }; +static Property lm32_uart_properties[] = { + DEFINE_PROP_CHR("chardev", LM32UartState, chr), + DEFINE_PROP_END_OF_LIST(), +}; + static void lm32_uart_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - k->init = lm32_uart_init; dc->reset = uart_reset; dc->vmsd = &vmstate_lm32_uart; - /* Reason: init() method uses qemu_char_get_next_serial() */ - dc->cannot_instantiate_with_device_add_yet = true; + dc->props = lm32_uart_properties; + dc->realize = lm32_uart_realize; } static const TypeInfo lm32_uart_info = { .name = TYPE_LM32_UART, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(LM32UartState), + .instance_init = lm32_uart_init, .class_init = lm32_uart_class_init, }; diff --git a/hw/lm32/lm32.h b/hw/lm32/lm32.h index 3b33ed4..e6a6b2a 100644 --- a/hw/lm32/lm32.h +++ b/hw/lm32/lm32.h @@ -30,4 +30,20 @@ static inline DeviceState *lm32_juart_init(void) return dev; } +static inline DeviceState *lm32_uart_create(hwaddr addr, + qemu_irq irq, + CharDriverState *chr) +{ + DeviceState *dev; + SysBusDevice *s; + + dev = qdev_create(NULL, "lm32-uart"); + 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 diff --git a/hw/lm32/lm32_boards.c b/hw/lm32/lm32_boards.c index c029056..ec3d659 100644 --- a/hw/lm32/lm32_boards.c +++ b/hw/lm32/lm32_boards.c @@ -131,7 +131,7 @@ static void lm32_evr_init(MachineState *machine) irq[i] = qdev_get_gpio_in(env->pic_state, i); } - sysbus_create_simple("lm32-uart", uart0_base, irq[uart0_irq]); + lm32_uart_create(uart0_base, irq[uart0_irq], qemu_char_get_next_serial()); sysbus_create_simple("lm32-timer", timer0_base, irq[timer0_irq]); sysbus_create_simple("lm32-timer", timer1_base, irq[timer1_irq]); @@ -232,7 +232,7 @@ static void lm32_uclinux_init(MachineState *machine) irq[i] = qdev_get_gpio_in(env->pic_state, i); } - sysbus_create_simple("lm32-uart", uart0_base, irq[uart0_irq]); + lm32_uart_create(uart0_base, irq[uart0_irq], qemu_char_get_next_serial()); sysbus_create_simple("lm32-timer", timer0_base, irq[timer0_irq]); sysbus_create_simple("lm32-timer", timer1_base, irq[timer1_irq]); sysbus_create_simple("lm32-timer", timer2_base, irq[timer2_irq]);