Boot Process

As described in the High Level Architecture section of the Introduction, the system can boot in 3 different ways. The corresponding boot flow is as follows:

The booting process of Baremetal Zephyr is quite straightforward: Zephyr boots directly from the reset vector after system reset.

For Baremetal Linux, the booting process is as the following diagram:

Armv8-R Stack Boot Flow (Baremetal Linux)

And the booting process of Virtualization solution is as the following diagram:

Armv8-R Stack Boot flow (Virtualization - Xen Hypervisor)

The Boot Sequence section provides more details.