On Thu, 17 Feb 2022 at 18:24, Thomas Huth <th...@redhat.com> wrote: > > On 28/01/2022 16.47, Stefan Hajnoczi wrote: > > Dear QEMU, KVM, and rust-vmm communities, > > QEMU will apply for Google Summer of Code 2022 > > (https://summerofcode.withgoogle.com/) and has been accepted into > > Outreachy May-August 2022 (https://www.outreachy.org/). You can now > > submit internship project ideas for QEMU, KVM, and rust-vmm! > > > > If you have experience contributing to QEMU, KVM, or rust-vmm you can > > be a mentor. It's a great way to give back and you get to work with > > people who are just starting out in open source. > > > > Please reply to this email by February 21st with your project ideas. > > I'd like to suggest an idea (shamelessly "inspired" by Philippe's suggestion > last year): > > === Improve s390x (IBM Z) emulation with RISU === > > Summary: Adapt RISU to s390x and fix CPU emulation along the way. > > RISU (Random Instruction Sequence generator for Userspace testing) is a tool > for testing CPU instructions with randomly generated opcodes. The goal of > this project is to adapt the RISU framework for the IBM Z architecture > (a.k.a. s390x), so that it could be used to test the s390x emulation of QEMU > for correctness. This will certainly help to spot some instruction emulation > deficiencies in QEMU which should be addressed during this internship, too. > > '''Links:''' > * [https://git.linaro.org/people/peter.maydell/risu.git/tree/ > Peter Maydell's RISU repository] > * [https://www.linux-kvm.org/images/6/63/01x03-ValidatingTCG.pdf > KVM Forum 2014 presentation by Alex Bennée] > * [http://publibfp.dhe.ibm.com/epubs/pdf/a227832c.pdf > z/Architecture Principles of Operation] (the description > of the CPU instructions) > > '''Details:''' > * Skill level: intermediate (a good basic understanding of CPU > instructions is required) > * Language: C, Perl > * Mentor: Thomas Huth (th...@redhat.com) (+1 TBD) > > > What do you think about that idea?
That is a great project idea. I have added it to the wiki and expanded the description a little to explain how RISU works: https://wiki.qemu.org/Google_Summer_of_Code_2022#Improve_s390x_.28IBM_Z.29_emulation_with_RISU Please add proposed tasks to the description so applicants have a starting point for breaking down the project into sub-tasks and coming up with a schedule. Thanks, Stefan
