Hi,
Have a look at section "World switch between non-secure world and secure
world" in http://genode.org/documentation/articles/trustzone. There it
says "Given this approach, the software stack running in the secure
world must not execute the smc instruction. This drastically simplifies
the assembler world-switch routine."
Best.
Am 23.01.15 um 06:11 schrieb chirag garg:
> Hi all,
>
> I have some doubts in Genode Flow, ARM provides the smc instruction to
> enter in the monitor-mode which performs the world switch between normal
> world and secure world.
>
> As tz_vmm script is also successfully achieving the above objective of
> world switch from the secure world to the normal world. But i am not
> able to figure out flow which will which execute a call of smc
> instruction in the run of tz_vmm script.
>
> Can anyone explain me the flow ?
>
> Thanks in advance.
>
> Regards
> Chirag Garg
> IIT Madras , Rise Lab
>
>
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GigeNET is offering a free month of service with a new server in Ashburn.
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Higher redundancy.Lower latency.Increased capacity.Completely compliant.
http://p.sf.net/sfu/gigenet
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