/usr/home/emaste/src/freebsd-wip/sys/dev/psci/psci_arm.S:45:2: error: instruction requires: TrustZone smc #0 ^ *** Error code 1
https://svnweb.freebsd.org/base?view=revision&revision=320065
https://svnweb.freebsd.org/base?view=revision&revision=321052