graft litex/build/sim
graft litex/soc/software
graft litex/soc/cores/cpu/blackparrot
graft litex/soc/cores/cpu/lm32
graft litex/soc/cores/cpu/microwatt
graft litex/soc/cores/cpu/minerva
graft litex/soc/cores/cpu/mor1kx
graft litex/soc/cores/cpu/picorv32
graft litex/soc/cores/cpu/rocket
graft litex/soc/cores/cpu/serv
graft litex/soc/cores/cpu/vexriscv