Exposing GPU memory to userspace

[@navewindre]

watching u rawdog virtual gpu drivers in C after an entire day of writing typescript is my form of therapy. thank u, keep these coming.

[@amanfreecs]

Respect man not so many people of your level.....

[@lonnybulldozer8426]

Can you recommend any resources on using qemu for driver development?

[@sphaerophoria]

I think I just punched almost those words directly into google

[@lonnybulldozer8426]

@@sphaerophoria I did google exactly that, and more, and nothing but pure shit came up. Your driver development setup looks like exactly what I'm looking for.

[@sphaerophoria]

You can check the scripts in github.com/sphaerophoria/gpu_testing_env and github.com/sphaerophoria/kernel_testing_env. The flow is compile a userspace with buildroot, a ramdisk with busybox, and a kernel. If you're doing pretty strict driver dev you can get away without the buildroot and just do everything in ramdisk. That's pretty blazing fast to boot. For the gpu stuff I had a lot of dependencies so went for buildroot, but you could use any fs image you feel like