Re: vhpt_miss handler question?

Mario Smarduch
2003-09-26T16:57:41Z

David Mosberger wrote:

> >>>>> On Fri, 26 Sep 2003 09:43:55 -0500, Mario Smarduch <cms063@email.mot.com> said:
>
> Mario> Some work I'm doing has taken me to the vhpt_miss
> Mario> handler. I've been looking at the following snippet just
> Mario> wondering what happens in the case where the present bit is 0
> Mario> and p10,p11 predicates are not set anotherwords they retain
> Mario> their application values. Would this not cause an errant
> Mario> insertion if either p10 or p11 were true in the application
> Mario> prior to the VHPT handler?
>
> Mario> (p7) tbit.nz.unc p10,p11=r19,32
>
> Did you miss the .unc qualifier on that instruction? It causes p10 and
> p11 to be set to FALSE when p7 is FALSE.
>
> --david

I see! I guess I didn't fully understand what Keith wrote.

- Mario.