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Date: Tue, 01 Dec 2009 16:21:39 +0100 (CET)
From: Alexander Best <alexbestms@wwu.de>
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Organization: Westfaelische Wilhelms-Universitaet Muenster
To: Kostik Belousov <kostikbel@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: i386_set_ioperm(2)/i386_get_ioperm(2) replacement after switch
 from x86 to amd64
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i'm getting this during compilation/linking:

undefined reference to `i386_set_ioperm'

do i need to link against some x86 compat lib?

alex

ps: also the ioperm manuals are not getting installed on amd64 it seems.

Kostik Belousov schrieb am 2009-12-01:
> On Tue, Dec 01, 2009 at 02:22:23PM +0100, Alexander Best wrote:
> > hi there,

> > i recently switch from x86 to amd64. right now i'm looking for a
> > way to
> > replace i386_set_ioperm(2) and i386_get_ioperm(2) (which are x86
> > specific).
> > any suggestions?

> > * full /dev/io access is rather nasty
> > * the app i'm developing is using inb/outb opcodes through inline
> >   assembly in
> > order to access the parallel port. i tried using ppi(4), but that
> > slows down
> > things dramatically (see:
> > http://lists.freebsd.org/pipermail/freebsd-hackers/2009-July/029188.html)

> FreeBSD 8.0 supports these syscalls on amd64.