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Date: Fri, 10 Jan 2003 18:59:30 +0100 (CET)
From: Attila Nagy <bra@fsn.hu>
To: John Baldwin <jhb@FreeBSD.org>
Cc: Alexey Dokuchaev <danfe@nsu.ru>, "" <cvs-committers@freebsd.org>,
	"" <cvs-all@freebsd.org>
Subject: Re: cvs commit: src/sys/i386/i386 identcpu.c
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Hello,

> > Well it now distinguish *real* PIII and Celeron (if it's ever possible)?
> The kernel can only tell what the CPU tells it. :)
Don't bite me, but leenuks can do it.
AFAIK this is the magic:

        /* Names for the Pentium II/Celeron processors
           detectable only by also checking the cache size.
           Dixon is NOT a Celeron. */
        if (c->x86 == 6) {
                switch (c->x86_model) {
                case 5:
                        if (l2 == 0)
                                p = "Celeron (Covington)";
                        if (l2 == 256)
                                p = "Mobile Pentium II (Dixon)";
                        break;

                case 6:
                        if (l2 == 128)
                                p = "Celeron (Mendocino)";
                        break;

                case 8:
                        if (l2 == 128)
                                p = "Celeron (Coppermine)";
                        break;
                }
        }

        if ( p )
                strcpy(c->x86_model_id, p);


The above is from arch/i386/kernel/setup.c

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