[SeaBIOS] ohci bulk?

H. Peter Anvin hpa at zytor.com
Mon Nov 22 17:50:00 CET 2010


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.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.




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