From owner-freebsd-hackers Wed Sep 10 08:59:45 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id IAA09778 for hackers-outgoing; Wed, 10 Sep 1997 08:59:45 -0700 (PDT) Received: from atena.eurocontrol.fr (atena.uneec.eurocontrol.fr [147.196.69.10]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id IAA09768 for ; Wed, 10 Sep 1997 08:59:40 -0700 (PDT) Received: by atena.eurocontrol.fr; (5.65v3.2/1.3/10May95) id AA27342; Wed, 10 Sep 1997 17:59:31 +0200 Received: from brteec1 (brteec1.eurocontrol.fr) by eurocontrol.fr with SMTP (1.37.109.16/16.2) id AA149917042; Wed, 10 Sep 1997 17:57:22 +0200 Received: by brteec1 with Microsoft Mail id <34174307@brteec1>; Wed, 10 Sep 97 18:01:59 PDT From: BRUN Philippe To: FREEBSD Subject: Arinc device driver kvtop problem Date: Wed, 10 Sep 97 18:01:00 PDT Message-Id: <34174307@brteec1> Encoding: 15 TEXT X-Mailer: Microsoft Mail V3.0 Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk I would like read and write using the arinc card mapped at 0xF00000 I wrote the driver This address can't change. my config : device arinc at isa ? port 0x300 irq 5 iomem 0xf00000 iosiz 65536 vector accintr In config_isadev_c when the kernel calls kvtop(isdp->id_maddr) id_maddr = 0xf0f00000 writes panic ..... how can i access this iomem addres in my driver TIA philippe