On 2012-07-03 08:43, Wen Congyang wrote: >> I'm not talking about changing the interface to the guest, I'm talking >> about how to model it in QEMU. And that difference would be transparent >> to the guest. I pointed you to examples like hw/kvm/clock.c. > > OK, I will read the code in hw/kvm/clock.c
Just to avoid confusion: That example is just good for a trivial framework. It does vmstate saving, something you don't need as your "device" is stateless. If you want to find out how to register PIO ranges, also check e.g. hw/pcspk.c. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux
