[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 %}