can generate initramfs from busybox

Signed-off-by: Nico Schottelius <nico@wurzel.schottelius.org>

hacking/v3-busybox/add_kernel_isolinux.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# FIXME: distro specific kernel location
+
+if [ "$#" -ne 1 ]; then
+    echo "$0 dir-out"
+    exit 1
+fi
+
+dir=$1; shift
+boot=$dir/boot
+
+mkdir -p "$boot"
+cp /boot/vmlinuz-linux "$boot/linux"
+cp /usr/lib/syslinux/bios/isolinux.bin "$boot"
+cp /usr/lib/syslinux/bios/ldlinux.c32 "$dir"
+
+cat > "$dir/isolinux.cfg" << eof
+default preos
+label   preos
+title   cdist PreOS
+linux   /boot/linux
+initrd  /boot/initramfs
+eof