K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2015-08-13T13:21:00.201528Z
K 7
svn:log
V 363
arm64: turn unknown el0 exception into a SIGILL

It seems we get EXCP_UNKNOWN from QEMU when executing zeroed memory.
Print a register dump here and signal illegal instruction. Also print
a register dump for other invalid exceptions, before panic.

Reviewed by:	andrew
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D3370

END