Mitchell Horne de2b942280 arm64: validate breakpoint registers
In particular, we want to disallow setting breakpoints on kernel
addresses from userspace. The control register fields are validated or
ignored as appropriate.

Reviewed by:	markj
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D28560
2021-02-17 12:05:00 -04:00
..
2019-12-04 16:56:11 +00:00
2021-02-17 12:05:00 -04:00
2019-08-29 07:25:27 +00:00
2021-02-01 14:15:57 +00:00
2021-01-08 14:53:44 -04:00
2020-09-08 15:08:20 +00:00
2019-01-13 19:49:46 +00:00
2020-03-06 14:46:50 +00:00
2020-10-15 03:12:00 +00:00
2020-09-21 22:21:59 +00:00
2021-01-19 20:34:35 -05:00
2021-01-08 14:53:44 -04:00
2019-08-29 07:25:27 +00:00
2021-01-15 19:08:01 +00:00
2020-08-05 22:09:57 +00:00
2021-02-01 14:15:57 +00:00
2021-02-03 16:27:30 +01:00
2021-02-05 12:25:56 +00:00