Source Roadmap

Directory	Description
arm	32-bit ARM architecture support
athena	Athena architecture support
dev	device drivers
ez80	eZ80 architecture support
i386	32-bit x86 architecture support
kern	main part of the kernel
libkern	libc and other support functions for kernel use
minixfs	Minix File System
mips	MIPS architecture support
netinet
pdp11	PDP-11 architecture support
riscv	RISC-V architecture support
sys	kernel headers
vm	machine independent Virtual Memory Manager
x86