Plan 9 from Bell Labs’s /usr/web/sources/contrib/stallion/u-boot/pi2
--rw-rw-r-- stallion sys 2174 Jan 5 2020 README d-rwxrwxr-x stallion sys 0 Jan 5 2020 dos --rwxrwxr-x stallion sys 327 Jan 5 2020 mkboot --rwxrwxr-x stallion sys 253 Jan 5 2020 mkimage --rw-rw-r-- stallion sys 2018822 Jan 5 2020 pi2.img.gz