Missing /dev/io on rpi3 running 12-stable

[Ian Lepore]

On Wed, 2020-05-20 at 09:46 -0700, bob prohaska wrote:
> Is there supposed to be a /dev/io by default in FreeBSD on a Pi3?
> Attempts to start X under 12.1-STABLE r361271 GENERIC fail with
> a report of "failed to open /dev/io". There is indeed no /dev/io,
> but there's also no /dev/io on a pi2 running 12-stable. 
> 
> Nor does there seem to be  a kernel module with matching name....
> 
> Thanks for reading!
> 
> 

/dev/io is an x86 thing, doesn't apply to arm at all.  It allows
userland processes with sufficient privs to execute x86 in/out
instructions for talking to old-school ISA bus devices such as
keyboards.

-- Ian