040000 tree f3dbd8946d214a6cd352b0b1d93f63635fef4803	generic-arm64
040000 tree 6f4bcbc832d16b6cc072ac41a327ff1ead6f5b34	generic-x86_64
040000 tree 301d48b287e811e5bca2862ec306bd123f90d01b	vexpress-a15