From: Erik Mouw <erik@harddisk-recovery.com>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: "Hanson, Jonathan M" <jonathan.m.hanson@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: Walking all the physical memory in an x86 system
Date: Tue, 30 Nov 2004 18:17:39 +0100 [thread overview]
Message-ID: <20041130171739.GB28284@harddisk-recovery.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0411301711140.25731@yvahk01.tjqt.qr>
On Tue, Nov 30, 2004 at 05:12:01PM +0100, Jan Engelhardt wrote:
> what have They done with /dev/mem? ... one once could access e.g.
> position 0x400 of /dev/mem (by seeking) and then read the LPT port value.
For AFAIK, LPT ports have never been memory mapped on PCs. They live in
the IO space, usually at 0x378 (or 0x278).
Erik
--
+-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 --
| Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands
next prev parent reply other threads:[~2004-11-30 17:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-30 16:09 Hanson, Jonathan M
2004-11-30 16:10 ` Jan Engelhardt
2004-11-30 16:12 ` Jan Engelhardt
2004-11-30 17:17 ` Erik Mouw [this message]
[not found] ` <41ACADD3.2030206@draigBrady.com>
2004-11-30 17:34 ` Jan Engelhardt
2004-11-30 18:50 ` Alan Cox
2004-11-30 20:25 ` linux-os
2004-11-30 20:46 ` Jan Engelhardt
2004-11-30 20:28 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2004-11-30 23:24 Hanson, Jonathan M
2004-12-01 8:37 ` Jan Engelhardt
2004-11-30 21:36 Hanson, Jonathan M
2004-11-30 21:16 Hanson, Jonathan M
2004-11-30 21:26 ` linux-os
2004-11-30 21:28 ` Jan Engelhardt
2004-11-30 15:41 Hanson, Jonathan M
2004-11-30 15:55 ` Jan Engelhardt
2004-11-30 16:01 ` P
2004-11-30 16:10 ` linux-os
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