Ubuntu Bionic 要從哪邊下載編譯 i need Ubuntu Bionic source code

i need Ubuntu Bionic source code,pls.

需要額外添加驅動,可以從哪邊下載?

謝謝。

You can try https://github.com/armbian/build

How to import the device tree and rootfs in Rockpis?

这一个是 ROCK Pi S SDK 编译的教程,包含 u-boot , kernel 和 rootfs 等。https://wiki.radxa.com/RockpiS/dev/Debian