Memory Protection (Attributes)
chrisj at rtems.org
Tue Dec 6 23:20:44 UTC 2011
On 7/12/11 4:34 AM, Gedare Bloom wrote:
> On Mon, Dec 5, 2011 at 3:30 PM, Thomas Doerfler
> <Thomas.Doerfler at embedded-brains.de> wrote:
>> 5.) The term "region" already has a different meaning in the RTEMS
>> context, you know the "Classic API" object type "Region". UPS, and
>> here we have a collision with my recommendation in topic 4.
> I started by just extending what the GSOC students had done, but a lot
> of the same kind of infrastructure exists in the region manager (and
> also in the partition manager). I will think on how someday we might
> adapt regions/partitions to the memory protection scheme.
It was a suggestion I gave to the GSOC student. The intention was to try
and avoid adding and documenting a whole new manager which would end up
looking very similar to the existing one.
I hope we follow the score model of an internal API and then a mapping
to the Classic API. This way we can support functionality in the score
such as a single alloc for the TCB+stack and it being private to a task.
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