I was looking at rc2 and /scripts/qemu-binfmt-conf.sh briefly, it has
# probe cpu type cpu=`uname -m` case "$cpu" in Then there is no cpu for aarch64, but if you poke down further, there is a if-then that uses a cpu=aarch64. Should this be split into something like: armv[4-7]*) cpu="arm" ;; armv[8-9]*) cpu="aarch64" ;; Sean