Thema: Driver (Archive)

Terminal Screenshot: Running a Linux VM with the debugcon driver in QEMU.

Writing a Linux Driver for QEMU’s Debugcon Device

Update: Since Cloud Hypervisor release v38, you can also run a Linux with this driver in Cloud Hypervisor and see the output. In earlier blog posts, I discussed QEMU’s debugcon device and presented a minimal driver for it written in x86 assembly. In this blog post, we go a little Read more…

By Philipp Schuster, 2 years2023-03-08 ago

Programming & DevOps

Building an Out-of-Tree Linux Kernel Module in Nix

Update 2024-04-10: Updated with my latest knowledge about this topic. In this blog post, I’m going to show you briefly how you can compile an out-of-tree Linux kernel module in Nix. I use regular Nix for that and no Nix flakes. However, with flakes, the approach is similar. Background Knowledge Read more…

By Philipp Schuster, 2 years2023-03-08 ago