[mc1322x] Non-aligned structure copies

[Mariano Alvira]

On Wed, Nov 04, 2009 at 08:29:21AM -0500, Jon Smirl wrote:
> On Wed, Nov 4, 2009 at 6:38 AM, Mariano Alvira <mar at devl.org> wrote:
>
> very well. OpenOCD might be able to detect this by examining each
> instruction before running it.
> 
> It you do a 32b store of ABCD to location 1 on ARM7 it writes DABC
> into the word starting at zero.  The code expects it to write xABC
> into the word at 0 and Dxxx into the word at 4. Qemu should be able to
> detect this in its implementation of the LOAD/STORE instructions.  We
> always want an exception on an un-aligned access. So is Qemu if is
> byte swapping, trigger the exception instead of doing the operation.
>

Ok, those specifics will help. I should be able to take a look today.

-Mar.