From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Walking all the physical memory in an x86 system
Date: Tue, 30 Nov 2004 18:50:20 +0000 [thread overview]
Message-ID: <1101840619.25609.107.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.53.0411301832510.11795@yvahk01.tjqt.qr>
On Maw, 2004-11-30 at 17:34, Jan Engelhardt wrote:
> unsigned short p;
> fd = open("/dev/mem", O_RDONLY | O_BINARY);
> lseek(fd, 0x400, SEEK_SET);
> read(fd, &p, 2);
You want ports for that not mem, has always been the case since back
before Linux existed.
next prev parent reply other threads:[~2004-11-30 19:59 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
[not found] ` <41ACADD3.2030206@draigBrady.com>
2004-11-30 17:34 ` Jan Engelhardt
2004-11-30 18:50 ` Alan Cox [this message]
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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