Re: Looking for issues/features for my first contribution

[Rajath Shashidhara]

Thank you Aleksandar ! This is really helpful.

Rajath Shashidhara

On 07-11-2019 07:33, Aleksandar Markovic wrote:
> On Thu, Nov 7, 2019 at 11:37 AM Aleksandar Markovic
> <address@hidden> wrote:
> > On Thursday, November 7, 2019, Rajath Shashidhara <address@hidden> wrote:
> > > Hi all,
> > >
> > > I am a Computer Science graduate student at The University of Texas at Austin 
> > > (UT, Austin). I am looking forward to contributing to qemu !
> > >
> > > This semester, I am taking a class in Virtualization 
> > > (https://github.com/vijay03/cs378-f19) and contributing to a virtualization 
> > > related open-source project is a significant part of the course.
> > > I would be interested in contributing a patchset to qemu - possibly a 
> > > self-contained feature or a reasonably complex bug fix that can be completed in 
> > > under a month's time. I did look at both the bugtracker and the QEMU Google 
> > > Summer of Code 2019 page [https://wiki.qemu.org/Google_Summer_of_Code_2019] for 
> > > ideas. However, I would be interested in hearing from the community and I would 
> > > be delighted if somebody can be suggest a suitable project !
> > Hello, Rajath!
> >
> > Thank you for expressing interest in QEMU open source project.
> >
> > There is certainly a place for you and your contributions in QEMU, and you are 
> > very welcomed!
> >
> > It looks to me the following project would fit your description:
> >
> > 'Implement emulation of DS3231 real time clock in QEMU'
> >
> > Datasheet:
> >
> > https://datasheets.maximintegrated.com/en/ds/DS3231.pdf
> >
> > The steps needed to complete it (in my opinion):
> >
> > - collect datasheets of as many as possible RTC chips already emulated in QEMU 
> > (there are around of dozen of them, see folder hw/rtc)
> I did a quick Google search on datasheets of existing RTC
> implemtations, and the result is:
>
> DS1338: https://datasheets.maximintegrated.com/en/ds/DS1338-DS1338Z.pdf
> M41T80: https://www.st.com/resource/en/datasheet/m41t80.pdf
> M48T59: http://www.elektronikjk.pl/elementy_czynne/IC/M48T59V.pdf
> MC146818: https://www.nxp.com/docs/en/data-sheet/MC146818.pdf
> PL031: 
> http://infocenter.arm.com/help/topic/com.arm.doc.ddi0224c/real_time_clock_pl031_r1p3_technical_reference_manual_DDI0224C.pdf
> TWL92230: 
> https://datasheet.octopart.com/TWL92230C-Texas-Instruments-datasheet-150321.pdf
> Zynq RTC: 
> https://www.xilinx.com/support/documentation/user_guides/ug1085-zynq-ultrascale-trm.pdf
> (chapter 7)
>
> Aleksandar
>
> > - do a comparative analysis of selected RTC implementations in QEMU
> >
> > - get to know general QEMU device model
> >
> > - design and implement DS3231 emulation
> >
> > I can give you (unfortunately constrained by tight time limits) some help and 
> > guidance. But there are other people in community too (more knowledgable in the 
> > area than me).
> >
> > I salute your initiative!
> >
> > Yours,
> > Aleksandar
> >
> >
> >
> > > I am an advanced C programmer with both professional and academic background in systems 
> > > design & implementation - especially OS & Networks. Given my background, I feel 
> > > fairly confident that I can pickup the QEMU codebase quickly.
> > >
> > > Eagerly looking forward to hearing from the community !
> > >
> > > Thanks,
> > > Rajath Shashidhara