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Date: Thu, 16 Jul 2009 18:15:00 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] ARM: userspace apps result in Segmentation fault
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To: Henri Roosen <henriroosen@domain.hid>
Cc: xenomai@xenomai.org

Henri Roosen wrote:
> Unfortunately enabling the CONFIG_VFP in the kernel config and
> building the xenomai with CFLAGS="-mfpu=vfp -mfloat-abi=softfp"
> LDFLAGS="-mfpu=vfp -mfloat-abi=softfp" had no success and results in a
> system hang-up again. The only thing that works for me is disabling
> the CONFIG_VFP in the kernel with -msoft-float for the xenomai user
> build.

Ok. Do you generate a libc? In that case it should be built with support
for VFP? Or do you copy the one from the toolchain?

I am afraid Xenomai VFP support was written with armv6 and may not work
for the 926EJ-S which is an armv5. I will try and have a look.

-- 
                                          Gilles