Hi,
> > > Yes, I think it's a start. Q35 is a bit harder because of the MMIO
> > > region.
> >
> > ??? Do you mean mmconfig? That can live inside the window.
>
> Are you sure? When I tried windows crashed but maybe I'm wrong.
> Did you try some windows guests?
At least it looks that way on my laptop:
nilsson root ~# cat /proc/iomem
[ ... ]
dfa00000-febfffff : PCI Bus 0000:00
[ ... ]
f8000000-fbffffff : PCI MMCONFIG 0000 [bus 00-3f]
f80f8000-f80f8fff : reserved
fec00000-fec003ff : IOAPIC 0
[ ... ]
The reservation seems to be different from what we are doing though. We
(aka seabios) are creating a e820 reserved region, on my laptop mmconfig
is declared in acpi:
nilsson root ~# grep f8000000 /var/log/dmesg
[ 0.103320] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem
0xf8000000-0xfbffffff] (base 0xf8000000)
[ 0.126943] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem
0xf8000000-0xfbffffff] (base 0xf8000000)
[ 0.128697] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in
ACPI motherboard resources
[ 0.160979] system 00:01: [mem 0xf8000000-0xfbffffff] could not be
reserved
Maybe this is what windows doesn't like ...
cheers,
Gerd
