Am 14.09.2012 16:12, schrieb Alexander Graf: > > On 14.09.2012, at 16:08, Jason Baron wrote: > >> 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. > > Please make sure to put it at the exact same pci location as it is on real > hardware. OSX directly pokes its config space, without searching for it on > the bus :).
Sounds like writing a qtest case that checks this would be a good idea if you want to keep this working long term. Not many people test OS X guests. Kevin
