040000 tree 53fb28fd985ac76daab940e3cd03a08a10212b12	cmsis_rtos_v1
040000 tree 2b66ae20257606edcd30f9fcadab0be873034350	cmsis_rtos_v2
100644 blob 1be238d794c924534021e6b8648b6878369158c4	portability.rst