Customizing Boot Media for Linux* Direct Boot: White Paper
This document describes a method to set up backup operating systems with the Reference Boot Loader from Intel.
The Reference Boot Loader from Intel has a simple boot flow and low complexity, and it supports direct boot. The direct boot technology can be used to set up the backup operating system.
In some scenarios, such as in-vehicle-infotainment devices, manufacturers need a backup kernel and/or a backup rootfs to ensure that the user can switch to the backup kernel and/or rootfs to recover the original system if the active kernel and/or rootfs becomes corrupted. The direct boot technology in the Reference Boot Loader can meet the manufacturers’ backup requirements.
Read the full Customizing Boot Media for Linux* Direct Boot White Paper.