Re: Suitable chipset for a pocket linux box
Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 29 Jan 1998 13:27:24 +0000 (GMT)
> Now I wonder why you would want to have a MMU in an embedded
> application system.. I do think the MMU is something for
> multi-user time-shared systems, and not space-constrained,
> and possibly power-constrained gadgets.
You have an MMU in real embedded application platforms so that you
can contain bugs and faults in the code in question as well as use
it to protect critical data values from accidental updating
A lot of embedded CPU's have a cut down MMU good enough to do this
but not do fancy paging