We provide Fenix to build the Ubuntu OS images easily. You can follow the steps below:
Choose your board (e.g. VIM-5), U-Boot version, Linux version, system version, etc.
$ source setenv.sh
$ make kernel-config $ make kernel-saveconfig
Build the Linux Debian package.
$ make kernel $ make kernel-deb
Debian packages are placed in the folder build/images/debs/{VERSION}/{BOARD}.
1.7.6VIM-5
The folder location is build/images/debs/1.7.6/VIM-5 where you'll need three packages: image package and header package.
linux-image-amlogic-6.12_1.7.6_arm64.deb - Linux kernel & dtblinux-headers-amlogic-6.12_1.7.6_arm64.deb - Linux headers