At 06:39 AM 30-04-99 -0600, you wrote:
>
>It's quite possible. I've been thinking of using the pentium 4M ptes for
>a rtl address space.
>
>As for whether it will be commercial without memory protection, those "folks"
>might want to examine VxWorks.
It is certain users will compile endless loops and rogue pointers. My
strategy aroud the problem is:
1) Develop new application specific code on a non production machine,
including a module that simulates the process.
2) Test the code in simulation mode - i.e. all IO points are treated as
dummies.
3) Use g++ and solid classes.
Our current software can be configured to do 1 and 2 above. Experience
shows it is sufficient to debug application code, except for loop tuning
depending
on the amount of time invested in the development of the process simulator.
Still, would be nice to MMU protect the important service providers like
rtl_sched, rtl_fifo, rtl_ipc and Linux itself.
Regards
_______________________________________________________
Pierre Cloutier
Tel: (450)-659-9186
Fax: (450)-659-0014
POSEIDON CONTROLS INC
_______________________________________________________
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