> I wish there was a nice wrapper dedicated to abstracting hardware support There is NopSys, about 3500 lines of C and 600 lines of assembler for booting, acce

> I wish there was a nice wrapper dedicated to abstracting hardware support There is NopSys, about 3500 lines of C and 600 lines of assembler for booting, accessing device registers, and responding to interrupts. So you can write the rest of the OS on top of that. CogNOS is a Smalltalk system written on top of NopSys. https://github.com/nopsys/nopsys https://github.com/nopsys/nopsys https://github.com/nopsys/CogNOS https://github.com/nopsys/CogNOS https://charig.github.io/assets/papers/SCDE-DLS.pdf https://charig.github.io/assets/papers/SCDE-DLS.pdf