040000 tree d636d22fff9dfe3a764934a03b90df82b3090fa4	arty-a7
040000 tree 4a39220c9449be4bbb51b77f0c2831c99f26b819	concepts
040000 tree c5326f88f82da8733924cc64f0e6bcc15c3a78f9	flute
040000 tree 529b3f7260848c5c8bba6d2e39b9f57dd1c69730	generic-riscv
040000 tree e40ba7950ccb332fdc29ba2d1d233885d8f99c28	ibex
040000 tree 9dfc25cddb6d1a3eeaffc6f8acd15cfdda4049b3	synopsis