040000 tree d54d3ff89c680b40e762c50736f5005535a1cb1c	arty-a7
040000 tree 5c2a367d778914cf55981a8ea97cbbea7faa830b	concepts
040000 tree acdb22840ae70a0edc713007f34eb0c79bb36634	generic-riscv
040000 tree 5050a413f0e77f9118f0ca3ede60a7a3d6bb7372	ibex
040000 tree e19ee3f46ec0e3d5a78af8b54fdff8b2733e4bb7	sunburst
040000 tree 9dfc25cddb6d1a3eeaffc6f8acd15cfdda4049b3	synopsis