RE: when and how to enable caches

[Tim Rightnour <root%garbled.net@localhost>]

On 24-May-2008 Frank Wille wrote:
> locore is entered with caches disabled, MMU disabled, BATs and SRs
> invalidated. MSR has only the IP-bit set.
> 
> Anybody remembers a similar problem? Any idea what I could check or try?

What kind of CPU is that exactly?  some of the CPU's have a very specific set
of operations you have to perform in a very specific order to turn caches on
and off.  Its usually documented in one of the CPU manuals.

---
Tim Rightnour <root%garbled.net@localhost>
NetBSD: Free multi-architecture OS http://www.netbsd.org/
Genecys: Open Source 3D MMORPG: http://www.genecys.org/