Thanks a lot !
On Mon, Mar 30, 2015 at 9:51 AM, Stefan Kalkowski <
stefan.kalkow...@genode-labs.com> wrote:
> Hi Ofer,
>
> On 03/29/2015 09:04 AM, Ofer Hasson wrote:
> > Hello,
> >
> > I'm currently exploring arm trustzone with genode, I managed to run the
> > example and run my own normal world linux kernel.
> >
> > Is there a way to chain load normal world operating system, load another
> > u-boot file in the normal world ? is there a technical problem doing so ?
>
> In general this is possible. However, as TrustZone is _no_
> virtualization solution, it is not transparent to the non-secure guest
> that it runs in the "normal world". So it is likely that you need to
> first modify u-boot so it runs smoothly in the normal world. For
> instance you have to check that it does not touch memory it does not
> own, as well as devices. Moreover, u-boot should not try to access
> system registers (coprocessor 15) that are TrustZone sensitive, like SCR
> register.
>
> Regards
> Stefan
>
> >
> > Any input no the subject will be very helpful.
> >
> > Thanks
> >
> >
> >
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> --
> Stefan Kalkowski
> Genode Labs
>
> http://www.genode-labs.com/ ยท http://genode.org/
>
>
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news, videos, case studies, tutorials and more. Take a look and join the
conversation now. http://goparallel.sourceforge.net/
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