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 :). Alex
