040000 tree 4237cda540bc8cf634f20a83718af6e4aab89f4f	arch
100644 blob aeb8edbbbef209b113f9c4887dada8b920b34743	io_storage.c
100644 blob b654be77853055e416038d10b3da9bf6873e021a	mmio.c
040000 tree 48d44d19e39bb537edd077e834cfc46be0f8e478	semihosting
040000 tree 5e8e44329e3ef8129469beca3b9c1f877afdb709	stdlib
040000 tree 4bea7b8cb2076cb45b0ae159f2b2f55c26816536	sync