GSOC 2020 project query

[Gedare Bloom]

On Thu, Feb 20, 2020 at 12:24 PM Christian Mauderer <list at c-mauderer.de> wrote:
>
> Hello Utkarsh,
>
> On 20/02/2020 19:07, Utkarsh Rai wrote:
> > Based on @Gedare Bloom's feedback,  adding memory protection
> > <https://devel.rtems.org/ticket/2904> or enhancing Wi-fi Support in
> > libbsd <https://devel.rtems.org/ticket/3222> are two projects that I
> > would like to work upon.
>
> Both sound like great projects.
>
> >
> > For MMU support I think a lot unmerged PowerPC code is already present,
> > but since  I would be using BBB I would only be able to use that as a
> > reference. Is it feasible to start it from scratch?
>
> I don't really know about the current status. But in most cases it would
> be a better idea to continue the work if something exists. Otherwise
> it's quite likely that you'll manage to create a similar unfinished
> version as a result. Of course it depends a bit on what exists.
>
> >
> > For Wi-Fi support, I would require an RTL8188 USB dongle along with
> > JTAG (I have a J-link and am in the process of soldering the
> > headers) for debugging purposes. I am not quite sure about how to handle
> > the 'hot-plugging' case in this project it would be very helpful if the
> > project owners could point me in the right direction.
>
> Regarding the RTL8188: I think that there are quite some similar
> adapters that would work too. And if necessary porting another driver
> from FreeBSD isn't too hard. So if you have trouble finding the RTL8188
> search for another USB dongle that is supported by FreeBSD and ask here
> on the list whether it can be used too.
>
> Regarding the hot plug: Like the ticket tells: It's not entirely clear
> yet. My first step would be to analyze what FreeBSD does and how it
> detects such events. I assume that there is some kind of mechanism to
> notify a userspace application of new devices. Maybe we can hook into
> that mechanism?
>
> In that context: Please note that the ticket #3223 is strongly
> connected. You can also mix some parts of the two tickets if you want.
>
> Best regards
>
> Christian
>
Thanks for responding with the details Christian.

> >
> > Regards,
> > Utkarsh Rai.
> >
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