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hw/char: QOM'ify stm32f2xx_usart model 

* drop qemu_char_get_next_serial and use chardev prop
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-5-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
xiaoqiang zhao 2016-06-06 16:59:32 +01:00 committed by Peter Maydell
parent 746c3b3eba
commit 7bd43519da
2 changed files with 12 additions and 4 deletions
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1
hw/arm/stm32f205_soc.c
View File

@ -107,6 +107,7 @@ static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp)
/* Attach UART (uses USART registers) and USART controllers */
for (i = 0; i < STM_NUM_USARTS; i++) {
usartdev = DEVICE(&(s->usart[i]));
qdev_prop_set_chr(usartdev, "chardev", i < MAX_SERIAL_PORTS ? serial_hds[i] : NULL);
object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);

15
hw/char/stm32f2xx_usart.c
View File

@ -190,6 +190,11 @@ static const MemoryRegionOps stm32f2xx_usart_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
static Property stm32f2xx_usart_properties[] = {
DEFINE_PROP_CHR("chardev", STM32F2XXUsartState, chr),
DEFINE_PROP_END_OF_LIST(),
};
static void stm32f2xx_usart_init(Object *obj)
{
STM32F2XXUsartState *s = STM32F2XX_USART(obj);
@ -199,9 +204,11 @@ static void stm32f2xx_usart_init(Object *obj)
memory_region_init_io(&s->mmio, obj, &stm32f2xx_usart_ops, s,
TYPE_STM32F2XX_USART, 0x2000);
sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio);
}
/* FIXME use a qdev chardev prop instead of qemu_char_get_next_serial() */
s->chr = qemu_char_get_next_serial();
static void stm32f2xx_usart_realize(DeviceState *dev, Error **errp)
{
STM32F2XXUsartState *s = STM32F2XX_USART(dev);
if (s->chr) {
qemu_chr_add_handlers(s->chr, stm32f2xx_usart_can_receive,
@ -214,8 +221,8 @@ static void stm32f2xx_usart_class_init(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
dc->reset = stm32f2xx_usart_reset;
/* Reason: instance_init() method uses qemu_char_get_next_serial() */
dc->cannot_instantiate_with_device_add_yet = true;
dc->props = stm32f2xx_usart_properties;
dc->realize = stm32f2xx_usart_realize;
}
static const TypeInfo stm32f2xx_usart_info = {