ref: d1cebf608b05e45b148108ac6c16ae94f6862097
dir: /sys/src/boot/bcm/mkfile/
URL=https://github.com/raspberrypi/firmware/raw/master/boot FILES=bootcode.bin fixup_cd.dat start_cd.elf fixup4cd.dat start4cd.elf \ bcm2711-rpi-4-b.dtb \ bcm2711-rpi-400.dtb \ bcm2711-rpi-cm4.dtb \ LICENCE.broadcom all:V: $FILES clean:V: rm -f $FILES $FILES: for(i in $target){ hget -o $i $URL/$i }