miniblog.

Imagine we JIT compiled syscall handlers in the kernel, based on runtime facts about known constants: https://blog.regehr.org/archives/1676 An interesting idea that's little explored since Alexia Massalin's phD. Arguably unikernels have some similarities, but compiler tech is more mature now.

Superb post on writing OS exception handlers in Rust (with a small dose of asm): https://os.phil-opp.com/better-exception-messages.html (has great worked examples)