RE: Enable apic ext id to use 256 apic id for AMD64

[YhLu]

For dual core and lifting apic id, you can not just use apic id as node id.

And you have to use
Lapicid() & 0xf

Or cupid to get it.

Regards

YH

-----Original Message-----
From: Li-Ta Lo [mailto:[e-mail]] 
Sent: Monday, January 10, 2005 2:14 PM
To: YhLu
Cc: Stefan Reinauer; Ronald G. Minnich; LinuxBIOS; Andi Kleen;
[e-mail]; [e-mail]; [e-mail]; Matt
Domsch
Subject: RE: Enable apic ext id to use 256 apic id for AMD64

On Mon, 2005-01-10 at 15:18, YhLu wrote:
> Please refer s4882 to change the MB that you support.
>
> nodeid = lapicid() & 0xf;
>
> orm with initial apic id
>      nodeid = (cpuid_ebx(1) >> 24) & 0xf;

What is this thing all about ?

Ollie