Subject: Re: Figures to explain MIPS cache
To: Toru Nishimura <locore32@gaea.ocn.ne.jp>
From: Simon Burge <simonb@wasabisystems.com>
List: port-mips
Date: 12/21/2003 23:55:40
"Toru Nishimura" wrote:
> Simon Burge said;
>
> > Note that from NetBSD's point of view, the Au1000 cache is fully
> > coherent, even when fetching in to the instruction cache. Thus
> > there is no need for any specific cache handling at all.
>
> It's interesting. What's the difference between the IDT and Au?
I'm not sure - I've not really looked at the IDT cache. The issue
of cache coherency is different to cache organisation though. I know
of no other CPUs in the MIPS world where both the I and D caches are
totally coherent.
Simon.
--
Simon Burge <simonb@wasabisystems.com>
NetBSD Support and Service: http://www.wasabisystems.com/