(Offtopic) Re: question about M2 "feature"

linux kernel account (linker@nightshade.ml.org)
Thu, 24 Jul 1997 23:03:38 -0400 (EDT)


On Thu, 24 Jul 1997, Rogier Wolff wrote:

> Mike Jagdis wrote:
> > It isn't a special area of "scrathpad RAM". The 6x86MX allows you
> > to lock down L1 cache lines. This means that the line will never
> > be discard and hence you will never take a reload hit on the
> > region of memory it is covering. Of course, you also have one
> > less line of L1 cache available for general caching too...
>
> Ah. For those interested: Intel 960s have a similar arrangement.
>
> Roger.

For those of you interested: The TI-320C3x(/C4x) dsps allow you to do
something remotely simmlar (You can make the entire cache read only)..