Re: [Xen-devel] Xen supported LAPIC features

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 08/10/13 20:03, Hoyer, David wrote:
> I am working at getting VxWorks to boot as a guest OS on Xen/Debian as an SMP 
> guest (HVM).   I have run into a couple problems that I was hoping could be 
> addressed by this group.   None of the other groups seemed to discuss at a 
> low enough level which is why I am starting here.
>
> I noticed that the LAPIC timer does not seem to be supported by Xen.  Is this 
> correct and if so, are there plans of supporting it?   VxWorks defaults to 
> LAPIC timer for the system timer so it would be beneficial to have that 
> support in XEN if we are to be able to run with an unmodified VxWorks kernel.
>
> I also noticed that reading from address 0xfee00020 always returns 0 when it 
> should be returning which core is running.   I found a way around that by 
> using a CPUID command but this begs the question of what else is not 
> supported of the LAPIC commands.
>
>
> David Hoyer
>   

Which version of Xen are you running on?  That sounds like a broken
domain build; both of those should be working.

Do you have your domain configuration and boot logs?

~Andrew

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