On 15 March 2013 16:00, Paolo Bonzini <pbonz...@redhat.com> wrote: > Il 15/03/2013 15:34, Peter Maydell ha scritto: >> I rather suspect sysbus_add_io and sysbus_del_io should also be >> removed, but since their users are in PPC and x86 platforms I'll >> let somebody else do that part :-) > > sysbus_add_io and sysbus_del_io are actually a good match for the I/O > address space of x86, because the model was to have "well-known" port > numbers standardized across all platforms. So all the boards would have > to know those port addresses if we used sysbus_init_mmio.
Maybe they should just call memory_region_add_subregion() directly then? There's nothing sysbus-device-specific about what these functions do, they just take a SysBusDevice* and totally ignore it... -- PMM
