Sysbus devices have a range of MMIO regions they expose. The exact number
of regions is device specific and internal information to the device model.
Expose whether a region exists via a public interface. That way our platform
bus enumeration code can dynamically determine how many regions exist.
Signed-off-by: Alexander Graf <agraf@suse.de>
qdev_connect_gpio_out_named(DEVICE(dev), SYSBUS_DEVICE_GPIO_IRQ, n, irq);
}
+/* Check whether an MMIO region exists */
+bool sysbus_has_mmio(SysBusDevice *dev, unsigned int n)
+{
+ return (n < dev->num_mmio);
+}
+
static void sysbus_mmio_map_common(SysBusDevice *dev, int n, hwaddr addr,
bool may_overlap, int priority)
{
bool sysbus_has_irq(SysBusDevice *dev, int n);
+bool sysbus_has_mmio(SysBusDevice *dev, unsigned int n);
void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
bool sysbus_is_irq_connected(SysBusDevice *dev, int n);
qemu_irq sysbus_get_connected_irq(SysBusDevice *dev, int n);