Multi-level CPM Interrupts

Wolfgang Denk wd at
Fri Nov 2 05:28:38 EST 2001

In message <3BE19161.8060402 at> you wrote:
> Well, I know that other people are running RTLinux without the same
> modification, so "easy" must be a relative :-).

Running RTAI or RTLinux is one thing, registering an interrupt for  -
say - a port C pin for a RT task is a different story.

> > We need this for RTAI, and I don't see any problems with it.
> The problem I have is that it is a reasonable argument for exactly
> the _one_ board you have.  We have tried to do what you are asking

What makes you think so? IMHO this is  a  generic  modification  that
will work on all 8xx CPUs and all boards based on 8xx CPUs.

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at
Do not simplify the design of a program if a way can be found to make
it complex and wonderful.

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