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Works for me in qemu, but remember to provide an SD card image as mentioned in the README before you run "make tools/sd.img" - e.g. the one in the releases
https://github.com/r1mikey/research-unix-v7/releases/downloa...
Otherwise, qemu will start up complaining about a large number of invalid memory accesses.
Unfortunately, there is no port of pcc (the portable C compiler -
) available, so the system isn't self hosting (yet...) :).
Good to know that to works for you!
This is a bit of a backburner project for me, and there's still quite a lot of userspace code that remains to be ported (in addition to doing spl* properly). I'd love to (eventually) get around to making it self-hosting. That'll be a chunk of work (an assembler and a linker would be needed), but it'd be a good state to leave things in.