040000 tree f69ae4fe25ddc701e9bbe35a191b1b87e66d7368	cmsis_rtos_v1
040000 tree f74a9ae85bfd587b43250e3fe183b406ab13c5ce	cmsis_rtos_v2
100644 blob b47ee35edc9e48abcb37845aa2e966e8da458d37	portability.rst