I was eyeing RISC-V M/U-Mode with PMP. That's the closest thing to the semantics of Cortex-M from a memory protection perspective I can think of that's in comm

I was eyeing RISC-V M/U-Mode with PMP. That's the closest thing to the semantics of Cortex-M from a memory protection perspective I can think of that's in common use still, plus I've got ESP-C3 and K210 dev boards laying around. I've been wanting to use them in my home automation, am cursed with the knowledge of what a nice RTOS feels like, and well, those yaks won't shave themselves. Sounds like I should plan to do that on my own at the moment, but I'll keep it in a github style fork in case y'all's focus moves in that direction.