Subject: Re: a porting idea.
To: Jason Thorpe <thorpej@nas.nasa.gov>
From: Andrew Cagney <cagney@cygnus.com>
List: tech-ports
Date: 11/17/1999 10:32:54
Excerpts from mail: 16-Nov-99 Re: a porting idea. Jason
Thorpe@nas.nasa.go (402*)
> On Wed, 17 Nov 1999 08:52:07 +1100 (WET)
> Andrew Cagney <cagney@cygnus.com> wrote:
> > > Really a full 68030 or a 68EC030 without MMU?
> >
> > If you're after (loopy?) dreams. I think a very cut down kernel should
> > be able to run on both.
> Uh...
> You'd have to basically nuke memory management. No MMU is kind of a
> hardship for Unix these days.
Yes, there is a paper explaining how MINIX was crippled so that could
run on the basic 68k (no VM, no segment registers). (I'm afraid I don't
have a URL and my memory of it is vague). While fairly brutal it was
successful.
So is it acceptable as a target? :-)
Andrew