Subject: Re: NetBSD without MMU?
To: John F. Woods <firstname.lastname@example.org>
From: Ignatios Souvatzis <email@example.com>
Date: 10/29/1998 11:12:46
On Thu, Oct 29, 1998 at 09:50:43AM +0100, Stefan Grefen wrote:
> It think it depends which functionality he wants to port.
> The process stuff will be the worst (at least on non-segmented CPU's),
> and fork() will be a royal pain (at expensive like hell).
Yeah. But OTOH, if your compiler always produces PC-relative code for the
shared code segment, and data accesses relative to either the stack or an
static data area pointer register, its easy.
OS/9 level 1 on m6809 worked that way.
OS/9 on 68000, too, I think.