iMX53 M4IF Watermark Regions for TrustZone

[Earlence Fernandes]

Hi,

I can't seem to find where the actual ARM code is that manipulates these
registers. Where is the implementation of this interface?

-Earlence


On Tue, Jan 28, 2014 at 3:10 AM, panton <panton at ...215...> wrote:

> Hi Earlence,
>
> You can find an implementation of m4if into
> os/src/server/tz_vmm/imx53/m4if.h. Thus, for example, main.cc file (same
> directory) makes use of _m4if.set_region(...,...); function to configure
> secure ram region for Secure World.
>
> Pablo.
>
> El 27.01.2014 22:05, Earlence Fernandes escribió:
> > The iMX53 security manual and multimedia ref manual states that there
> > is a configurable set of registers in the CSU that control watermark
> > regions on the M4IF.
> >
> > I am grepping thru genode code but can't find this code. Is there some
> > module/driver that handles these registers?
> >
> > -Earlence
> >
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