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Date:      Mon, 8 Sep 1997 03:56:12 -0400
From:      Lee Cremeans <lee@wakky.dyn.ml.org>
To:        Josef Karthauser <joe@pavilion.net>
Cc:        hackers@freebsd.org, chat@freebsd.org
Subject:   Re: Divert sockets..
Message-ID:  <19970908035612.36939@wakky.dyn.ml.org>
In-Reply-To: <19970908081913.36000@pavilion.net>; from Josef Karthauser on Mon, Sep 08, 1997 at 08:19:13AM %2B0100
References:  <1.5.4.32.19970907223328.008be880@mail.mindspring.com> <199709080052.KAA00380@lofty.ist.flinders.edu.au> <19970908081913.36000@pavilion.net>

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[crossposted to -chat]

On Mon, Sep 08, 1997 at 08:19:13AM +0100, Josef Karthauser wrote:
> On Mon, Sep 08, 1997 at 10:22:23AM +0930, Daniel J. O'Connor wrote:
> > > to get messages to and from the kernel? 
> > Yeah, the Amiga had the 'advantage' of having no memory protection(at
> > all), so you could just pass pointers around =)
> 
> That's not entirely true.  Is it?  The 4000 had memory protection and the
> same O/S.  (a500 ran 68000, a4000 ran 68030/40).

Well, the 68000 had user and supervisor modes, but no page-level protection
like the 030 and above (and the 68020 with the 68851 MMU)--and most other
processors with demand paging--do.

-- 
Lee C. -- Manassas, VA, USA  (WakkyMouse on DALnet #watertower)  
A! JW223 YWD++^i WK+++r P&B++ SL++^i GDF B&M KK--i MD+++i P++ I++++ Did 
$++ E5/10/70/3c/73ac Ee34/1/36 H2 PonPippi Ay77 M | hcremean (at) vt.edu
FreeBSD/Linux/Unix hacker...Win95 and M$ evil! (go see www.freebsd.org)
My home page: http://wakky.dyn.ml.org/~lee | finger me for geek code



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