Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Tue, 2016-06-21 at 19:33 +1000, Benjamin Herrenschmidt wrote:
> On Tue, 2016-06-21 at 09:21 +0100, Mark Cave-Ayland wrote:
> > A quick check with "info mtree" shows that this area of memory is
> > PCI
> > configuration space. There was a patch added to uninorth in order
> > to
> > suppress some PCI warnings on Darwin boot found by going over the
> > source
> > to the Darwin MacRISC driver which resulted in the patch at
> > http://git.qemu.org/?p=qemu.git;a=commitdiff;h=98ae3b27d57b59c6dc9a
> > 74e6351e339523c16def.
> > Maybe it could be related to that?
> > 
> > > I'll still cleanup & submit my current crop of fixes in case
> > > somebody
> > > wants to have a look.
> > 
> > Not sure I can help much here, however I can give everything a good
> > test
> > and make sure that it doesn't break :)
> 
> I'll double check, I used to know that HW well and might even have
> access to some docs internally but that specific f280_0000 doesn't
> look
> like something that would mean anything on a machine with macio at
> 8000_0000.... 
> 
You are right, it's PCI1 config space. I'll dig more later.

Cheers,
Ben.