Re: rpcc

[Richard Henderson <rth@xxxxxxxxxxx>]

On Tue, Jan 12, 1999 at 09:06:54PM +0000, Wes Bauske wrote:
> I agree with your description except for one point.
> What I've read about other systems is that it is the
> virtual address that drives your cache location, not
> your physical page address. Are you saying under Linux
> or in general it is the physical page address?

Whether the virtual address or physical address is used in the 
on-chip cache is an implementation specific detail.  Off-chip
caches will of course always use the physical address.

The EV5 Icache is virtually tagged, but the Dcache is physically
tagged, as is the Scache.  


r~

-- 
To unsubscribe: send e-mail to axp-list-request@xxxxxxxxxx with
'unsubscribe' as the subject.  Do not send it to axp-list@xxxxxxxxxx