On Nov 11, 2015, at 6:14 PM, BALATON Zoltan wrote: > On Wed, 11 Nov 2015, Programmingkid wrote: >> On Nov 11, 2015, at 4:32 PM, Andreas Tobler wrote: >>>> It looks like you are saying you wish to keep the CUDA device. Mac OS 9 is >>>> most >>>> likely hard coded to expect via-pmu instead of via-cuda on the mac99 >>>> target. >>>> Moving on to via-pmu might make QEMU more compatible with Mac OS 9. >>>> I will still try your patches. Do you have a repo that I could just clone? >>>> It is a >>>> lot less error prone than patches. >>> >>> I'd like to keep the CUDA too, FreeBSD PowerPC (32-bit) relies on it. >>> Unfortunately it still doesn't work ... but hope is still here ;) >> >> On a new world Mac? I'm thinking a mistake has been made. Maybe you mean >> via-pmu? According to FreeBSD's website all Macintoshes with a built-in USB >> port are supported. This would only mean new world Macs and they only have a >> via-pmu - no cuda device. > > I think you are right that mac99 should have via-pmu instead of cuda but it > is not as simple as renaming it in the device tree because it is a different > chip which we have no emulation for so first an emulation should be written. > It is probably similar enough to cuda so using cuda instead works as long as > the OS in only using the main functions. It is also hard to find a > documentation on how via-pmu should behave. I've only found this: > > http://mcosre.sourceforge.net/docs/apple_io.html > > which is not very clear or detailed. The only hint from it was that pmu99 > uses gpio which I've seen OS-es try to access but I don't know anything on > that or what should be emulated for it.
Thank you very much for this information. A quick check of PearPC shows it also uses CUDA, so we can't copy any code for via-pmu. > >>> Mark, is your complete qemu patch available somewhere? Then I could test >>> 32-bit PowerPC on FreeBSD which still hangs on adb... up to now. >> >> I'm thinking removing ADB support would fix this problem. Most real new >> world Macs have no ADB support. > > This may be a good idea to match the hardware we are trying to emulate better > but some OSes may depend on ADB for now. I've noticed Finnix had no keyboard > in debug mode without ADB (which may be a bug in Finnix, I could not verify > if it works on real hardware or has the same problem there). Interesting. Did you use "-usb -device usb-keyboard" to enable usb support in QEMU when running Finnix?
