ref: 1d0f8a7e512e5abfea9c5d2fdf2fb4c05efc720b
dir: /sys/src/boot/bcm/mkfile/
URL=https://github.com/raspberrypi/firmware/raw/master/boot FILES=bootcode.bin fixup_cd.dat start_cd.elf LICENCE.broadcom all:V: $FILES clean:V: rm -f $FILES $FILES: for(i in $target){ hget -o $i $URL/$i }