ref: 5f42bde60275e9a0c3d317ee1e052e1aefdcdb19
dir: /sys/src/boot/reform/mkfile/
FILES=flash.bin boot.scr all:V: $FILES clean:V: rm -f $FILES flash.bin: hget -o flash.bin 'https://source.mnt.re/reform/reform-boundary-uboot/-/jobs/artifacts/v3/raw/flash.bin?job=build' boot.scr: boot.txt aux/txt2uimage -o $target $prereq