Re: [Xen-devel] [edk2] [PATCH RFC 10/14] UefiCpuPkg/BaseXApicX2ApicLib: Fix initialisation on my system and ...

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Fri, Dec 09, 2016 at 10:43:30AM +0000, Andrew Cooper wrote:
> On 09/12/16 06:48, Kinney, Michael D wrote:
> > Hi Anthony,
> >
> > Can you provide more details on why you want to expose internal APIs
> > in the library class?
> >
> > What is the specific issue?  Is the Local APIC in your environment 
> > not behaving the same as real HW?
> 
> Xen's LAPIC emulation should match real hardware (because we might even
> substitute it for real hardware APIC virtualisation support).
> 
> If Xen's LAPIC doesn't behave like real hardware, we should fix that,
> but first we should understand what the correct behaviour should be.

I'll try to find out what the real hardware is doing.

At least, I think there where nothing in the Intel manual about the
initial counter been reset.

-- 
Anthony PERARD

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