tz_vmm run script

[John David]

Hi Stefan,


Thank you for your reply.

On Fri, Mar 4, 2016 at 11:35 AM, Stefan Kalkowski <
stefan.kalkowski at ...1...> wrote:

> Hi John,
>
> On 03/03/2016 02:38 AM, John David wrote:
> > Hi,
> >
> > On Thu, Feb 25, 2016 at 11:35 AM, Martin Stein <
> martin.stein at ...1...
> >> wrote:
> >
> >> Hi John,
> >>
> >> Am 25.02.2016 um 00:58 schrieb John David:
> >>> I changed the kernel commandline parameters  to
> >>> /"video=mxcdi0fb:RGB666,XGA earlyprintk di0_primary ldb=di0/" and also
> >>> enable early_printk (CONFIG_EARLY_PRINTK=y ), but it still displays the
> >>
> >> Have you set CONFIG_DEBUG_LL and CONFIG_TTY_PRINTK in your Linux config?
> >> AFAIK this is also needed for earlyprintk. When I want my Linux to be
> >> really verbose, I furthermore add "loglevel=10" to the command line.
> >>
> >
> > Could you please see the attached kernel log messages and check for
> > possible errors? because I am still getting only the Linux penguin on the
> > LVDS display. there are some errors such as,
> > *da9052_ssc_i2c 0-0048: 2 - da9052_i2c_read:master_xfer Failed!*
>
> Ok, obviously you redirect the bootconsole to serial line again. But did
> you see any boot messages when not redirecting and setting the kernel
> options that Martin mentioned?
> More importantly, what about my hint to inspect the initramfs you are
> using, whether the init process will spawn a tty on-screen at all? It's
> hard to follow you when not getting feedback regarding earlier questions.
>

I have tried different options, but no luck so far.

>
> Alternatively, you can provide a git branch containing the Linux version
> including your currently used configuration, and a Genode branch with
> your state including the run-script you are using (including the
> initramfs, you're using), so one can reproduce your results.
>

 Please find my patches in the following branches (Genode, Linux and
initramfs)

https://github.com/jonhedave/Genode/tree/genode
https://github.com/jonhedave/linux/tree/linux
https://github.com/jonhedave/initramfs/tree/initramfs


>
> Regarding the I2C error in your kernel boot messages, I think something
> importantly for the I2C controller to work properly is missing in your
> kernel configuration (in our branch we gave control of it to Genode, so
> it was normal that the kernel could not succeed with it).
>



> Regards
> Stefan
>


Thanks,

>
> >
> >
> >>
> >>> Do you have any other experiment for ARM TrustZone on imx53 QSB?
> >>
> >> AFAIK, no. We have a Trustzone demo for the USB Armory currently for
> >> which you can find the Linux [1] and Genode sources [2] online. There
> >> are several topic branches in my Linux repo that correspond to the USB
> >> Armory port and document the problems that we solved in a more detailed
> >> way as the final branch. Furthermore, there is a github issue [3] were I
> >> documented parts of the development too.
> >>
> >
> > I have managed to run the trustzone demo on USB Armory. Currently i am
> > using the serial port to boot the demo. I want the Linux (non secure
> world)
> > to be displayed on a separate device while the Genode uses the serial
> port.
> > Is it possible to connect the USB Armory to external device such as
> > keyboard and display? I have an external USB NIC card connected to the
> USB
> > Armory using the host adapter and tried to check the network connection
> in
> > the normal world (Linux) after i run the Trustzone demo, but the network
> > card is not detected. How to connect to the internet using USB Armory?
> >
> >
> > Thank you in advance for your answers.
> >
> >
> >
> >> Cheers,
> >> Martin
> >>
> >>
> >> [1] https://github.com/m-stein/linux/tree/genode_hw_usb_armory_tz_vmm
> >> [2]
> >>
> https://github.com/genodelabs/genode/blob/master/repos/os/run/tz_vmm.run
> >> [3] https://github.com/genodelabs/genode/issues/1497
> >>
> >>
> >>
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> >
> >
> >
> >
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>
> --
> Stefan Kalkowski
> Genode Labs
>
> http://www.genode-labs.com/ · http://genode.org/
>
>
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