svn commit: r305607 - head/sys/arm64/arm64

Ed Schouten ed at nuxi.nl
Thu Sep 8 14:48:47 UTC 2016


Hi Andrew,

2016-09-08 14:53 GMT+02:00 Andrew Turner <andrew at freebsd.org>:
>   Trap msr/mrs instructions. These are privileged arm64 instructions and
>   shouldn't normally be used.

It depends on which system register is being used, right? System
registers like TPIDR_EL0 are accessed by userspace all the time.

-- 
Ed Schouten <ed at nuxi.nl>
Nuxi, 's-Hertogenbosch, the Netherlands
KvK-nr.: 62051717


More information about the svn-src-head mailing list