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040000 tree 71f0175dd48ad6cccc7e19705916aaba6faab10d	bfm
040000 tree 5d99164dd5d8293bc7ee7b625e1c4265b1c59fb3	firmware
040000 tree cc2b97571e69d355e1153471b28345bc8cdad1b7	model
160000 commit f0e1866cea67544ef6a71839ddb50a806979d1a4	riscduino_board
040000 tree 1d52df440aa3f9966163bca904d939c12fc7e606	vpi