PPC Critical interrupt

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Nov 8 14:22:14 UTC 2012


yes, it turned out that this is a e300 bug.  I didn't investigate this further 
since critical interrupts make no sense at operating system level.

Best regards,

On 11/08/2012 02:44 PM, MC wrote:
> Hello,
> I am sorry to disturb you, but I've read on a forum
> (https://groups.google.com/forum/?fromgroups=#!topic/osdeve_mirror_rtos_rtems-users/moq2awoJoBs)
> that, some years ago, you were dealing with the e300 Critical interrupt.
> I am not working on RTEMS, I am using Freescale MQX that, of course, does not
> support e300 Critical interrupt natively but, since I have got MQX sources, I
> am trying to implement it.
> I tried everything possible, including the workaround suggested in the
> MSE5125_0M01S errata (attached) but my implementation is not yet stable. I am
> still experiencing system crash/freeze/hangs expecially when the critical
> interrupt happens during the external interrupt (EE) processing.
> Since these problems seem to be the same you described in the forum, could you
> please tell me if you fixed this issue or not? Were you  been finally able to
> make this kind of exception working?
> Thanks in advance
> M. Colella

Sebastian Huber, embedded brains GmbH

Address : Obere Lagerstr. 30, D-82178 Puchheim, Germany
Phone   : +49 89 18 90 80 79-6
Fax     : +49 89 18 90 80 79-9
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.

More information about the users mailing list