C++ (Cpp) qdev_get_prop_mask示例

示例#1

文件： qdev-properties.c 项目： breuerr/qemu

static void bit_prop_set(DeviceState *dev, Property *props, bool val)
{
    uint32_t *p = qdev_get_prop_ptr(dev, props);
    uint32_t mask = qdev_get_prop_mask(props);
    if (val)
        *p |= mask;
    else
        *p &= ~mask;
}

示例#2

文件： qdev-properties.c 项目： ddk50/qemu-qcas

static void get_bit(DeviceState *dev, Visitor *v, void *opaque,
                    const char *name, Error **errp)
{
    Property *prop = opaque;
    uint32_t *p = qdev_get_prop_ptr(dev, prop);
    bool value = (*p & qdev_get_prop_mask(prop)) != 0;

    visit_type_bool(v, &value, name, errp);
}

示例#3

文件： qdev-properties.c 项目： GamerSource/qemu

static void prop_get_bit(Object *obj, Visitor *v, const char *name,
                         void *opaque, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    uint32_t *p = qdev_get_prop_ptr(dev, prop);
    bool value = (*p & qdev_get_prop_mask(prop)) != 0;

    visit_type_bool(v, name, &value, errp);
}

示例#4

文件： qdev-properties.c 项目： breuerr/qemu

static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *p = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
}