On Tue Jan 27, 2015 at 15:41:28 +0100, ba_f wrote:
> Changing kernel constants seems a bit dirty, isn't it?

Yes, it's not recommended.

> But tell me some about shared memory, please.
> 
> 1.) is there an example, anywhere?

There's at least the shmc example for the lib. But in a more simple form
it is actually not needed. Have a dataspace, make it available to two
tasks, and it's shared memory.

> 2.) Maybe on a further step, i'm planning to adapt my project to TrustZone.
> How does a communication between TrustZone Worlds work? Is Shared Mem. a
> better starting point than l4-IPC, when going to TrustZone.

Depends, shared memory can be one way of doing it and it's reasonable
using it. When talking of TZ it's about data exchange between the two
worlds? That would not be "classical IPC" anyway since two independent
systems are involved here.



Adam
-- 
Adam                 a...@os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/

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