Re: [Qemu-devel] [PATCH 00/25] q35 series take #1

[Jason Baron]

On Fri, Sep 14, 2012 at 03:56:17PM +0200, Alexander Graf wrote:
> On 14.09.2012, at 15:50, Jason Baron wrote:
> 
> > On Fri, Sep 14, 2012 at 12:29:17AM +0200, Alexander Graf wrote:
> >> On 13.09.2012, at 22:12, Jason Baron wrote:
> >> 
> >>> Hi,
> >>> 
> >>> Qemu bits for q35 support, I'm posting the seabios changes separately. The
> >>> patches require '-M pc_q35' and -L 'seabios dir with q35 changes' on the
> >>> qemu command line. Hopefully, we can make it the default for x86 at some 
> >>> future
> >>> point when we feel comfortable with it.
> >> 
> >> Without having had a real look at the code in detail yet, how did you 
> >> design the PCI-ISA bridge (LPC device)? I'm asking mostly because Mac OS X 
> >> unconditionally accesses that device's PCI config space to find the base 
> >> address of the HPET.
> >> 
> > 
> > The LPC device is inherits from TYPE_PCI_DEVICE, and has modeling for
> > configuring pmbase (where the power management io region resides) and
> > for configuring pirq irq routing. It does not have the addr for the
> > HPET. I'll have to check the spec and see where it resides.
> 
> I have a patch that creates a fake lpc device with the correct regions to 
> make osx happy:
> 
>   
> http://svn.exactcode.de/t2/trunk/package/emulators/kvm/03-qemu-lpc.patch.disable
> 
> That might be useful as a starting point :).
> 

cool! I'll pull in the bits I'm missing.

Thanks,

-Jason