I have spent a little more time on the realtime linux port to uClinux.
Now, the Interrupt entrance-code only takes care
about interrupts of the invoked interrupt level, so that
there are not called pending irqs from other interrupt levels
accidently. Additionaly the "rt-interrupt scheduler" (process_rt())
also only take care about the interrupts of the invoked level to
minimize interrupt latencies.
The patch can be fetched at
(don't forget to apply uClinux-220.127.116.11pre1_rt-0.1.diff.gz, first)
when network is enabled (loattach), then xcopilot sometimes might
halt - maybe another xcopilot bug? anyway, when disabling loattach
in ../pilot/init/init.c, everything seems to be ok ...
(interresstingly, the effect didn't showed up with RTEC-0.1. Maybe
RTEC-0.2 isn't sane?). Get the patch here:
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