[Openmcl-devel] trunk unstable. Linux ARM port identified as culprit.

Gary Byers gb at clozure.com
Thu Aug 5 22:37:56 UTC 2010


<http://en.wikipedia.org/wiki/ARM_architecture#ARM_cores>

offers a helpful chart which shows which ARM cores implement which
architecture revisions.  The Omap2 implements ARMv6, but not ARMv6T2;
if it's an "unhandled exception 4", that may be an unimplemented
instruction and the instruction may be a "movw" (which is both legal
and very useful on ARMv6T2 and later.)

If it's any consolation, I have an N810, too.

Until everyone who's interested memorizes that chart, this will likely
be very confusing.

(That WikiPedia page says that ~2,450,000,000 ARM cores were shipped in
2006; it neglects to mention that no two of them were alike.)

On Fri, 6 Aug 2010, Stas Boukarev wrote:

> Gary Byers <gb at clozure.com> writes:
>
>> On Wed, 4 Aug 2010, Gary Byers wrote:
>> It's actually only been run on a few FreeScale i.MX515 machines running
>> Ubuntu 9.04,9.10, and 10.04;  I was able to get the kernel to run on a
>> Nokia N900 (which is a TI Omap3 running some flavor of Debian).   It'd
>> be good to know if it runs on other "similar" hardware/Linux releases.
> I'm able to run the kernel on nokia n810 (Omap2), and I get directly into the
> kernel debugger with an unhandled exception.
>
> -- 
> With Best Regards, Stas.
>
>



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