Re: [SeaBIOS] ohci bulk?

[Avi Kivity]

On 11/22/2010 06:50 PM, H. Peter Anvin wrote:
> On 11/22/2010 07:45 AM, Avi Kivity wrote:
> > Correct.  Note, it's likely that we have almost everything covered
> >  already, so it's mostly testing (beyond implementing SMM entry/exit).
> >
> > However, we have a large deployed base with no SMM support, so we need a
> >  fallback if SMM is not available.  It's also tricky to probe for working
> >  SMM, I don't think there's a cpuid bit for that.
>
> All real CPUs 586+ support SMM, so a CPUID bit wouldn't be applicable.
>
> That being said, SMM has to be activated from the chipset, so some kind
> of ID bit could be put in there.

Well, the chipset we emulate does support SMM.

I guess we could have a fwcfg entry that says whether SMM actually works.