The USB 1.1 bus will carry the name usb-bus.0. QEMU will create the UHCI controller as function of The easiest way to add a UHCI controller to a pc machine is the Each controller creates its ownīus though, so there are two completely separate USB buses: One USBġ.1 bus driven by the UHCI controller and one USB 2.0 bus driven by
When running EHCI in standalone mode you can add UHCI or OHCIĬontrollers for USB 1.1 devices too.
The companion controller setup is more convenient to useīecause it provides a single USB bus supporting both USB 2.0 and USBġ.1 devices. Standalone or with companion controllers (UHCI, OHCI) for USB 1.1ĭevices. The QEMU EHCI Adapter supports USB 2.0 devices.
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