Kernel Map

Module	Role
boot	FDT parsing, memory setup, secondary hart startup
memory	Physical frame allocation and heap backing
paging	Sv39 page tables and mappings
trap	Trap frames, trap decoding, trampoline assembly
sched	Scheduler loop and process state
sched::process	Process table and address-space creation
sched::syscall	Syscall dispatch
endpoint	Endpoint rendezvous queues
utils	SBI calls, console output, panic handler

The tutorial should keep each module small enough to read in one sitting.