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Re: [Qemu-devel] Writing a CAN driver for QEMU

From: Paolo Bonzini
Subject: Re: [Qemu-devel] Writing a CAN driver for QEMU
Date: Sat, 18 May 2013 15:55:36 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4

Il 17/05/2013 22:29, Rempel, Cynthia ha scritto:> Hi Qemu-Devel,
> I am part of the RTEMS development community.
> The RTEMS development community is considering having a Google Summer
> of Code student test LinCAN on a simulated RTEMS target board using
> QEMU, and have some questions:
> 1. What guidelines should the student follow when writing the device > 
> simulation, so the device simulation will be "upstreamed"/accepted by
> the QEMU project?
> 2. Is there additional documentation on how to write a device
> simulation?

Unfortunately there is not much documentation.  Would this interact with
something in the host (e.g. emulating the sensors)?  Or is it like USB
where QEMU has emulation of both controllers and devices (e.g. tablets
or storage)?

There are lots of different devices in QEMU; a student with good code
reading abilities should be able to find what he needs, but if you are
writing an entire emulation subsystem it's going to be a lot of work.

> 3. Could we get a co-mentor from qemu-devel to help the student with
> technical questions, or if not, would this mailing list be willing to
> help us out?

I don't know if someone is available to mentor the project, but the
mailing list would surely be of help.


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