Date: Sun, 17 Feb 2008 22:49:21 +0000 From: Bruce Cran <bruce@cran.org.uk> To: Doug C <doug.cross@mamaraeng.com> Cc: questions@FreeBSD.org Subject: Re: X86 cpu without a FPU - Vortex86sx Message-ID: <47B8B9F1.1060701@cran.org.uk> In-Reply-To: <000001c871b2$68f73d10$6701a8c0@Foxx> References: <000001c871b2$68f73d10$6701a8c0@Foxx>
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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
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