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040000 tree 8e6137392b3708c31924482500ddac58624f51ae	bootutil
040000 tree 2725a1df9d973b5f79eb364e1d8c676fbce9a01c	cypress
040000 tree 942c4303bb0e249dc8a1dcee6a86c9d17a46eaa3	espressif
040000 tree 2b6f384fc6cd320f40e6310b166f878501bf4686	mbed
040000 tree 469d7bf8abe0b1cb7e87da2e1155411d87831d51	mynewt
040000 tree 59d10ae3d2f739de3b55ed2da522c02eb50c8241	nuttx
040000 tree a186ea8969a090be13bc6611596a3abc7c642cbc	zcbor
040000 tree 53c0b3e3153540e7ee456c0ece67b42d94c98a55	zephyr