Re: [Qemu-devel] [PATCH 6/6] use uint32_t for ioport port and value instead of int.

[Anthony Liguori]

Tristan Gingold wrote:
> Yes.
>
> Port IO is done through usual memory access, but either the processor 
> or the north-bridge can recognize this
> address and convert the memory access to a port access.  After all PCI 
> cards knows about IO vs Memory.

So would we actually model this in QEMU through cpu_in/out?

Can PCI IO regions that are marked as PIO actually be > 16-bit in size?

Regards,

Anthony Liguori