040000 tree 67c632fbf54e8c44085b5a0a317538f7dc4da253	cmsis_rtos_v1
040000 tree 6883a3041242b819d4a552f4b5a892e41b2c202d	cmsis_rtos_v2
100644 blob 1be238d794c924534021e6b8648b6878369158c4	portability.rst