Subject: Re: Is an MMU necessary?
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Alex Barclay <alex@tfo-consulting.com>
List: netbsd-ports
Date: 07/26/2000 13:08:22
On Wed, 26 Jul 2000, Manuel Bouyer wrote:

> On Wed, Jul 26, 2000 at 02:27:10AM -0800, Grant Stockly wrote:
> > Can you get by without a MMU?
> 
> Without a MMU you don't have virtual adresses, memory access protections and
> paging. It's almost impossible to build a secure multiuser system without this.
> 

Not strictly true - if you have a segmented architecture.

It is completely possible to run on a 286/386 without enabling the MMU

Alex