Explanation of ARM TrustZone Support?

Wesley Miaw wesley at wesman.net
Fri Jan 14 03:12:33 CET 2011


On Jan 13, 2011, at 3:00 AM, l4-hackers-request at os.inf.tu-dresden.de  
wrote:

> Wesley Miaw(wesley at wesman.net)@2011.01.12 17:22:52 -0800:
>> I was also thinking that L4Linux was run as the non-secure Linux via
>> TrustZone but that was incorrect. L4Linux is for a paravirtualized
>> security split while something like TZ-Linux is used for a full
>> virtualized security split, with L4 as the "Hypervisor". Has TZ- 
>> Linux and
>> its associated work been publicly released?
>
> No. Its just a prove of concept. However there exists a snapshot that
> should build and run out of the box on a recent Realview/PBX board.
> With the upcoming virtualization extensions for ARM this approach is  
> more
> or less obsolete.

I'd be interested in taking a look at this snapshot if you are willing  
to share it. I'm doing some investigation work into how to put  
together an execution environment like your proof of concept.

Thanks,
--
Wesley Miaw
wesley at wesman.net








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