tz_vmm run script

[John David]

Hi Stefan,

Thanks a lot.

I have tried to configure and run the tz_vmm example according to your
explanation, but only the Linux penguin is displayed on left corner of the
LVDS display kit and then it hangs. As you mentioned, I removed the last
four patches from this branch (
https://github.com/skalk/linux/commits/imx53-tz) and re-compiled the Linux
kernel. I also changed the kernel cmdline argument value in
genode/os/src/server/tz_vmm/imx53/main.cc file to  *console=ttymxc0,115200
gpu_nommu video=mxcdi0fb:RGB666,XGA di0_primary ldb=di0*. I wonder if you
could tell me what is missing?

Thanks!



On Wed, Feb 10, 2016 at 2:52 PM, Stefan Kalkowski <
stefan.kalkowski at ...1...> wrote:

> Hi John,
>
> On 02/03/2016 10:51 PM, John David wrote:
> > Hi all,
> >
> > I am running  tz_vmm run script on i.mx53qsb. I have LVDS display kit
> > attached to the board. I want the Linux (non secure world) to be
> displayed
> > on the LVDS while the Genode uses the serial console. I wonder if you
> could
> > tell me how can i do this.
> >
>
> You have to adjust the partitioning of the devices btween secure world
> (Genode) and non-secure world (Linux). This is primarily done via the
> CSU (Central Security Unit) of this Freescale SoC. You can find the
> relevant configuration hardcoded within:
>
>   repos/base-hw/src/core/include/spec/imx53/trustzone/csu.h
>
> just reset mostly all devices except the UART to belong to the
> non-secure world, and set the DMA channel of the GPU (line 222) to be
> unsecure. Remove the relevant patches of the Linux guest OS from this
> branch (I think the last 4 commits):
>
>   https://github.com/skalk/linux/commits/imx53-tz
>
> and then re-build the Linux kernel and Genode scenario.
>
> Regards
> Stefan
>
> > Thanks!
> >
> >
> >
> >
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> Stefan Kalkowski
> Genode Labs
>
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>
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