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 Walking all the physical memory in an x86 system 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1101840619.25609.107.camel@localhost.localdomain \
--to=alan@lxorguk.ukuu.org.uk \
--cc=jengelh@linux01.gwdg.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.