[TUHS] Revisiting 6th Edition: rxv64

Larry McVoy lm at mcvoy.com
Tue May 2 12:34:51 AEST 2023


I have to say I'm impressed.  This is way beyond what I could do at my
age.  I think it is awesome that younger people are picking up what 
Unix meant and redoing it.

On Mon, May 01, 2023 at 09:55:26PM -0400, Clem Cole wrote:
> Very cool
> 
> On Mon, May 1, 2023 at 9:49 PM Dan Cross <crossd at gmail.com> wrote:
> 
> > I've mentioned tangentially this a few times, but over the weekend I
> > finally got around to dusting off the code and getting it running:
> > https://github.com/dancrossnyc/rxv64.git
> >
> > rxv64 is a rewrite of MIT's xv6, which in turn, reimagines 6th Edition
> > as a purely pedagogical system, implemented in ISO C for 32-bit SMP
> > x86 machines.
> >
> > Building on xv6, rxv64 is implemented in Rust and targets 64-bit
> > x86_64. It works well enough to boot up, run a shell, and run
> > commands, but it doesn't really have much of a userland at present.
> >
> > I started this as a pedagogical tool, being something that one could
> > point working engineers at as an example of a "real" operating system
> > implemented on real hardware in Rust. The code could surely be made
> > safer and more comprehensible, but cycles are short at present, and
> > it's better to just get it out there.
> >
> > Have fun.
> >
> >         - Dan C.
> >
> -- 
> Sent from a handheld expect more typos than usual

-- 
---
Larry McVoy           Retired to fishing          http://www.mcvoy.com/lm/boat


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