[TOC] ## References ### [How ARM Systems are Booted: An Introduction to the ARM Boot Flow - Rouven Czerwinski](https://youtu.be/GXFw8SV-51g) It is mentioned in the "EL3 services" part. {%youtube GXFw8SV-51g %} ### [LVC21-315 Measured Boot Support in Trusted Firmware A class TF-A project](https://youtu.be/tKR6ra0zNlc) {%youtube tKR6ra0zNlc %} ### [Technical Overview of the Trusted Firmware: A Class Open Source Project](https://youtu.be/0ALBfpjJoC4) {%youtube 0ALBfpjJoC4 %} ### [OSFC 2018 - Arm Trusted Firmware for coreboot developers | Julius Werner](https://youtu.be/UC35q4OJg3k) {%youtube UC35q4OJg3k %}