ARM illegal instruction

[Andy Johnson]

Actually, it was being compiled with "-mcpu=arm922t".
I'm tried it again by setting the arch field so that it
compiles using "-march=armv4" which seems to work better
(better means that now instead of "illegal instruction"
I get "kernel too old").  In theory "armv4t" should work
but right now I'm trying to get it to build with the
glibc configure flag --enable-kernel=2.6.9 and see how
that works (not very well, I'll need to keep trying older
versions of glibc).

Andy

-----Original Message-----
From: martinwguy@gmail.com [mailto:martinwguy@gmail.com] On Behalf Of
Martin Guy
Sent: Monday, January 19, 2009 6:20 PM
To: Andy Johnson
Cc: crossgcc@sourceware.org
Subject: Re: ARM illegal instruction

On 1/19/09, Andy Johnson <ajohnson@aecno.com> wrote:
>  I set the cpu type to match the processor listed from my
>  embedded device's /proc/cpuinfo (ARM922Tid), but both C
>  and Java programs die with an illegal instruction error.

I've had this when the C compiler was built for armv4t as it should,
but the libraries built for the (unfortunately) default CPU of armv5t,
which means clz instructions.

try a shot of --with-cpu=

g'luck

    m

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