This page says RTEMS was written in "C and Ada" https://www.sigada.org/links.html https://www.sigada.org/links.html But I think that information must be old, t

This page says RTEMS was written in "C and Ada" https://www.sigada.org/links.html https://www.sigada.org/links.html But I think that information must be old, the current info seems to just say C.