040000 tree 7bea651db738942eeaffd83fad37d59060cc493a	cmsis_rtos_v1
040000 tree bdcfcb4a1af9d5288060f92367f35da1d5defebd	cmsis_rtos_v2
100644 blob b47ee35edc9e48abcb37845aa2e966e8da458d37	portability.rst