From owner-freebsd-questions@FreeBSD.ORG Sun Feb 17 22:49:45 2008 Return-Path: Delivered-To: questions@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5DA2B16A418 for ; Sun, 17 Feb 2008 22:49:45 +0000 (UTC) (envelope-from bruce@cran.org.uk) Received: from muon.bluestop.org (unknown [IPv6:2001:41c8:1:548a::2]) by mx1.freebsd.org (Postfix) with ESMTP id E7EC813C457 for ; Sun, 17 Feb 2008 22:49:44 +0000 (UTC) (envelope-from bruce@cran.org.uk) Received: from [IPv6:2a01:348:10f:0:e182:aabd:b390:9889] (unknown [IPv6:2a01:348:10f:0:e182:aabd:b390:9889]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by muon.bluestop.org (Postfix) with ESMTP id 13ADF30162; Sun, 17 Feb 2008 22:49:43 +0000 (GMT) Message-ID: <47B8B9F1.1060701@cran.org.uk> Date: Sun, 17 Feb 2008 22:49:21 +0000 From: Bruce Cran User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: Doug C References: <000001c871b2$68f73d10$6701a8c0@Foxx> In-Reply-To: <000001c871b2$68f73d10$6701a8c0@Foxx> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: questions@FreeBSD.org Subject: Re: X86 cpu without a FPU - Vortex86sx X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Feb 2008 22:49:45 -0000 Doug C wrote: > I am trying to build FreeBSD 5.5 or 6.3 to run on a board that uses the DMP > Vortex86sx SOC. This chip looks like a 486sx, no FPU. Is there a way to make > a build that uses software emulation for the FPU, like the old days? I do > not see anything in the .cong file that helps. I am trying to end up using > pfSense with it. Or what old version could work with this chip? > > > > Thanks for any help. > > > > Doug Cross > There was a thread about this last month - see http://lists.freebsd.org/pipermail/freebsd-hackers/2008-January/022935.html I think the outcome was that it's certainly possible to get the userland built with FPU emulation but there's more work required in the kernel since the MATH_EMULATE/GPL_MATH_EMULATE options were removed in 2003. -- Bruce