cpu/p6/mtrr.c

[SONE Takeshi]

On Mon, Oct 20, 2003 at 08:07:15AM -0600, ron minnich wrote:
> On 18 Oct 2003, Eric W. Biederman wrote:
> 
> > > EPIA has problem with current CVS (resets when setting var mtrr),
> > > and it worked again when I reversed this change.
> > > According to the Intel System Programming Manual for PIII,
> > > bits 36-63 are reserved, and apparently C3 doesn't like it to be set.
> > 
> > Ok.  Then this needs to be fixed.  I am wondering how we code
> > this cleanly.
> 
> I don't see much of an issue. The code in question sets bits that are 
> reserved on just about any pentium-compatible CPU, and it should not. So 
> we don't set those bits. 

This code is used by K8 as well.
K8 uses these bits to for memory over 64GB.

It's not wise to duplicate the whole file into cpu/k8 directory
for a tiny constant difference.

-- 
Takeshi