[Qemu-devel] Re: [SeaBIOS] About cpu_set, CPU hotplug and related subjects

[Gleb Natapov <gleb@redhat.com>]

On Wed, Apr 28, 2010 at 12:41:51PM +0200, Jes Sorensen wrote:
> On 04/28/10 12:30, Gleb Natapov wrote:
> > On Wed, Apr 28, 2010 at 11:31:00AM +0200, Jes Sorensen wrote:
> >> On 04/22/10 03:12, Kevin O'Connor wrote:
> >> Generating the more complex tables dynamically would be preferred, but
> >> it requires like half an AML compiler in Seabios, so it kinda stalled
> >> there....
> >>
> > We can try to be smart and generate most of the code statically and only
> > minimum that absolutely required dynamically. Haven't looked at how
> > simple dynamic part can be made.
> 
> I looked at it briefly and ran away screaming :) I am sure it can be
This is normal reaction to ACPI of a healthy human being.

> done, bit it would require pretty good understanding of the AML encodings.
> 
> The CPU declarations are particularly tricky as they get pretty big and
> complex and need to live in the DSDT, whereas a lot of other things we
> can shift off to separate SSDT tables and only put the minimum that
> needs to be generated dynamically in it's own table.
> 
We can generate complex code statically and call it from dynamically
generated CPU declarations.

--
			Gleb.