Qemu

This is Part 6 of my Cortex‑M7 without hardware series. Parts 1–5 used Renode to emulate an STM32F746 and GDB to poke around the running firmware. Renode is excellent — full peripheral models, scripted test benches, a rich ecosystem — but it is not small. The installer pulls in Mono, a pile of .NET assemblies, and a handful of native libraries. If all you want is “does my firmware boot and produce the right output?”, that is a lot to install. ...