Subject: Re: I/O maps and user-level device drivers
To: None <tech-kern@NetBSD.ORG>
From: Frank van der Linden <frank@fwi.uva.nl>
List: tech-kern
Date: 12/28/1995 23:33:25
Quoting Travis Hassloch x231,

> > I think a system call would be the best way - not sure if you want to
> > make the caller specify the entire permission map they want or have a

> Anyone feel strongly either way about adding this?
> I think allowing user-level procs to do I/O would be way cool

NetBSD/i386 has this; look at the i386_set_ioperm() and i386_get_ioperm
calls.

- Frank