Date: Thu, 21 Jun 2001 14:43:51 -0700 From: Peter Wemm <peter@wemm.org> To: "Michael C . Wu" <keichii@peorth.iteration.net> Cc: David Malone <dwmalone@maths.tcd.ie>, Andrew Gallatin <gallatin@cs.duke.edu>, kaz@kobe1995.net, current@FreeBSD.ORG Subject: Re: support Pentium3 SSE Message-ID: <20010621214351.9B56D3808@overcee.netplex.com.au> In-Reply-To: <20010621102130.C63569@peorth.iteration.net>
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"Michael C . Wu" wrote:
> On Thu, Jun 21, 2001 at 04:07:25PM +0100, David Malone scribbled:
> | On Wed, Jun 20, 2001 at 05:39:55PM -0400, Andrew Gallatin wrote:
> | > While we're at it, I know that the AMD AthlonMP supports SSE, but I
>
> I think we already detect AthlonMP's SSE automatically.
> I recall reading Peter's dmesg of his Tyan board and seeing
> SSE in the config.
CPU: AMD Athlon(tm) Processor (1194.43-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x661 Stepping = 1
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,\
MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
Note the FXSR (fast context save and restore) and the SSE flag are there.
This is an AthlonMP system:
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): apic id: 1, version: 0x00040010, at 0xfee00000
cpu1 (AP): apic id: 0, version: 0x00040010, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000
and it works very nicely. :-)
Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5
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