040000 tree 25f7435bf39434243d4166ecce1ca6aa7bcdbf84	cmsis_rtos_v1
040000 tree 558a1d1e52a768014f4369793528bdc31b819054	cmsis_rtos_v2
100644 blob 1be238d794c924534021e6b8648b6878369158c4	portability.rst