On Fri, Jan 11, 2013 at 2:29 AM, Louis-Philippe Brais
<lpbr...@bitwrangler.ca> wrote:
> Hi all,
>
> The latest errata for Texas Instruments' Cortex-M3 family, updated
> last October [1], contains a disturbing new problem triggered by
> non-word-aligned writes to SRAM. This is the kind of errata that is
> effectively addressed with a compiler work-around. FWIW, it has
> already been addressed by a popular commercial toolchain vendor [2]. I
> was wondering if the GCC ARM maintainers were aware of this bug, and
> if somebody implemented or was working on a compiler work-around for
> this problem. I had a look at recent discussions and patches on the
> GCC mailing lists, but could not find anything. I'm looking for
> something along the lines of the -mfix-cortex-m3-ldrd fix, but for
> that new alignment write erratum.
>
> [1] http://www.ti.com/lit/er/spmz642b/spmz642b.pdf
> [2] 
> http://netstorage.iar.com/SuppDB/Public/UPDINFO/007040/arm/doc/infocenter/iccarm.ENU.html
>
> Thanks for your attention,
> LP Brais
I don't see any patch for this erratum. It should be a new option
rather than -mfix-cortex-m3-ldrd.

- Joey

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