On 12.01.2010, at 20:45, Blue Swirl wrote: > On Tue, Jan 12, 2010 at 11:58 AM, Alexander Graf <ag...@suse.de> wrote: >> I'm trying to get the PPC64 system emulation target working finally. >> While doing so, I ran into several issues, all related to PCI this time. >> >> This patchset fixes all the PCI config space access and PCI interrupt >> mapping issues I've found on PPC64. Using this and a patched OpenBIOS >> version, I can successfully access IDE devices and was booting a guest >> into the shell from IDE using serial console. >> >> To leverage this patch, you also need a few patches to OpenBIOS. I'll >> present them to the OpenBIOS list, but in general getting patches into >> Qemu is harder than getting them into OpenBIOS. So I want to wait for >> the review process here first. >> >> Find the OpenBIOS patch at: http://alex.csgraf.de/openbios-ppc-u3.patch > > About the OpenBIOS patch, could you move the PCI_INT_MAP defines to a > PPC-specific header and make pci_host_set_interrupt_map() contents > surrounded by #ifdef CONFIG_PPC (to make it empty function for other > arches)?
Well, other archs should be able to use the same code. If OpenBIOS knows how interrupts work for a particular device, it really should tell the OS about it too IMHO. Alex