Unaligned problem when porting rtems for arm

Peng Fan van.freenix at gmail.com
Wed Apr 24 13:45:14 UTC 2013


Hi,


2013/4/24 Joel Sherrill <Joel.Sherrill at oarcorp.com>

> The arm gdb bsp is intended to help find the correct options. They could
> be wrong. When I did the bsp variants, I picked CPU variants that looked to
> hit various multilibs.
>
> The arm had a lot of CPU models and it is easy to make a mistake. Is this
> with the bsp for the simulator in gdb?
>
I am porting RTEMS to a hardware board based on S3C6410, not for the
simulator for gdb.

>
> --joel
>
> Gedare Bloom <gedare at rtems.org> wrote:
>
>
> Given the newness of this port, I would guess the options are wrong.
>
> On Wed, Apr 24, 2013 at 9:19 AM, Sebastian Huber
> <sebastian.huber at embedded-brains.de> wrote:
> > Hello,
> >
> > in case GCC uses a half-word load or store where it shouldn't, then you
> have
> >
> > 1. wrong compiler options, or
> > 2. a compiler bug.
> >
> > --
> > Sebastian Huber, embedded brains GmbH
> >
> > Address : Dornierstr. 4, D-82178 Puchheim, Germany
> > Phone   : +49 89 189 47 41-16
> > Fax     : +49 89 189 47 41-09
> > E-Mail  : sebastian.huber at embedded-brains.de
> > PGP     : Public key available on request.
> >
> > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
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>
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