040000 tree ea26ce4a55245c198342abc6f774875f4570aff7	cmsis_rtos_v1
040000 tree 923f096289eff9112a1e3512fa51f5d27819e4a5	cmsis_rtos_v2
100644 blob 1be238d794c924534021e6b8648b6878369158c4	portability.rst