On Sat, May 29, 2010 at 9:33 PM, Artyom Tarasenko <atar4q...@googlemail.com> wrote: > 2010/5/29 Blue Swirl <blauwir...@gmail.com>: >> Robert Reif did some improvements to SuperSparc emulation, but the >> work was not finished. That should be a good starting point. > > Do you mean the last patch he sent to us or are there some earlier > unapplied patches?
The last one. > The last patch _seems_ to be mainly refactoring and disabling features > which are not > presented in certain models. I might have missed something of course: > the patch is large. > > For me is also interesting what do we miss in the microSPARC implementation. > If I switch off POST (which crashes due to the known FPU problems) > LX/CX/X OBPs hang. Looks like it's expecting some interrupt (the SS-5 > OBP escapes a similar endless loop on a timer irq), but not getting > it. > Do you know anything obvious qemu is missing in LX machine? I don't have a device tree for LX, but unimplemented interrupt sources could be audio, parallel port, video, modem. Floppy may be buggy.
