040000 tree 9a8ac481754f8f343cd00e67af211b3a7c668440	drc
040000 tree 17732f1711a79c0ac839192af1d29a84df8c98e8	models
040000 tree 1ab4ce2cb2ddf88ed59fdb29bb2ee3e83c6b4d43	scripts
040000 tree e2547c2a22ca4e298e398b67611a97ac8ae45c8f	sky130_fd_io
040000 tree a2a483b403eb3c41d01d20836bcd8690f13c1a3b	sky130_fd_sc_hd