[Bug 1000761] eCos support for MPC5xxx MCUs

[bugzilla-daemon at ecoscentric dot com]

http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000761





--- Comment #8 from Stefan Singer <Stefan.Singer@freescale.com>  2009-05-22 13:29:14 ---
(In reply to comment #7)
> Stefan, apologies for the delay in getting back to you on this matter.
> Firstly, I must thank you and Jochen for your substantial contribution to the
> eCos project which is much appreciated.
> We do have some issues to work through with you:
> The eCos maintainers are in agreement that your implementation of support for
> e200 cores in the form of a new eCos architectural HAL is not really in keeping
> with the intended layering of eCos hardware support. Your e200 HAL package
> necessarily includes a lot of code copied from the standard PowerPC
> architectural HAL and we would wish to see any architecture-level support for
> e200 integrated into the standard PowerPC architectural HAL directly to avoid
> code duplication.
> In order to provide the right foundation for future PowerPC variant support,
> eCosCentric will be contributing a patch for the standard eCos PowerPC
> architectural HAL which adds architecture-level support for Book-E processors
> in general (including e200). I would expect this contribution to be checked-in
> to our public CVS repository in the next few days.
> Would you be able to migrate your MPC5xxx contribution to use the updated
> PowerPC architectural HAL? I am advised that the changes required to your own
> contribution should be minor and the resulting contribution would then be much
> more beneficial for the future of eCos on PowerPC. Of course, you may wish to
> wait for, and review, the updated PowerPC architectural HAL before responding
> to this question.
> Thanks, again, for supporting eCos.

Hi John,
both Jochen and myself will be out next week. As soon as the new PowerPC HAL
will be out we will check, how much problems this will create. We are
definitely interested to get this contribution back into the main source tree,
so that is stays maintained and is available for customers of our architecture.


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