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040000 tree 73ab4cab050a2d5421c38a522087a55990fbae28	sm
040000 tree cb0797248921249dfdb3b4dcc78de20d597d160d	syscall
040000 tree 9f6a5966cf18fe351aaa31969a56f335dcfe44e9	tcrypto
040000 tree bc0f3da0cee02a7bac5f7dd700b8109e1e33a264	trusty
040000 tree 728dd37d3931020aa7552142e1a27d6f7d350dcc	uthread
040000 tree 46134156509ad8788dadc29458cf5b80fb0ea7de	version