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To: Josef Karthauser <joe@pavilion.net>
cc: "Daniel J. O'Connor" <doconnor@ist.flinders.edu.au>,
        freebsd-chat@FreeBSD.ORG
Subject: Re: Divert sockets.. 
In-reply-to: Your message of "Mon, 08 Sep 1997 08:19:13 BST."
             <19970908081913.36000@pavilion.net> 
Date: Mon, 08 Sep 1997 02:33:56 -0700
Message-ID: <24706.873711236@time.cdrom.com>
From: "Jordan K. Hubbard" <jkh@time.cdrom.com>
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[Redirected mercifully to -chat; watch those mailing lists, folks!  This
 is most definitely not -hackers fodder!]

> 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).

It didn't matter - the way the AmigaDOS service calling conventions
were designed, you needed to be able to share memory trivially (and
unprotectedly) with the OS so ye old Guru Meditation was still a
frequent visitor even with a 68040 chip inside.

						Jordan