I have always been slightly annoyed that the RP2040 didn't feature a RISC-V core to being with, with a 2nd gen that includes the privilege mode specification. R

I have always been slightly annoyed that the RP2040 didn't feature a RISC-V core to being with, with a 2nd gen that includes the privilege mode specification. RP2040 as it stands is nearly capable of being "learned completely" and providing something like an OS, but having a hardware MMU really makes a different experience. Of course, the ARM architecture has an MMU spec too, but I've got a soft spot for RISC-V.