There's now a video up of the talk I gave at this year's seL4 Summit, on the status of UNSW's projects to verify Time Protection and Microkit-based userland OS services for the seL4 microkernel:
#sel4summit #seL4 #verification #operatingsystems #microkernel #IsabelleHOL #HOL4 #ITP #modelchecking #formalmethods #formalverification #formal_methods #formal_verification