Shortcuts for xv6-riscv

• cd /opt/riscv/bin, after cd’ing run ./riscv64-unknown-linux-gnu-gdb ~/xv6-riscv-fall19/kernel/kernel.

• Instead of above #1, run riscv64-unknown-elf-gdb

• Sample gdbinit config,

add-auto-load-safe-path ~/xv6-riscv-fall19/.gdbinit

target remote localhost:26000

add-symbol-file ~/xv6-riscv-fall19/user/_lazytests_

Add symbols for whatever files you want to debug.

• gdb shortcuts,

b *filename:line_number* (but bp in file at file number)

c -> continue

n -> step over (next line)

s -> step into

• Do make qemu for building without debugging. Do make qemu-gdb to be able to attach bp & debug.