xv6 also was switched to RISC-V (not exactly sure when, but sometime in 2019), and it has a nice book for the actual course. Course: https://pdos.csail.mit.edu

xv6 also was switched to RISC-V (not exactly sure when, but sometime in 2019), and it has a nice book for the actual course. Course: https://pdos.csail.mit.edu/6.828/2019/xv6.html https://pdos.csail.mit.edu/6.828/2019/xv6.html Book: https://pdos.csail.mit.edu/6.828/2019/xv6/book-riscv-rev0.pdf https://pdos.csail.mit.edu/6.828/2019/xv6/book-riscv-rev0.pd... Take a look at chapter 7 for the xv6 filesystem referenced here.