From: Wolfgang Denk <wd@denx.de>
To: David Ho <DavidHo@nanometrics.ca>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: user access to physical memory
Date: Wed, 05 May 2004 16:27:53 +0200 [thread overview]
Message-ID: <20040505142758.C691EC109F@atlas.denx.de> (raw)
In-Reply-To: Your message of "Wed, 05 May 2004 09:24:58 EDT." <OFD0681AD7.24E6EB05-ON85256E8B.004961BC-85256E8B.0049B26E@nanometrics.ca>
In message <OFD0681AD7.24E6EB05-ON85256E8B.004961BC-85256E8B.0049B26E@nanometrics.ca> you wrote:
>
> I know this question has been asked before, but I can't seem to find it in
> the archive.
You mean a simple search for "physical memory" like this one:
http://lists.linuxppc.org/results.html?restrict=linuxppc-embedded&words=physical+memory
didn't give you any results? Strange... I get quite a lot of messages.
> How do I get access to physical memory from user space? I want to write a
> simple test problem to access the frame buffer directly on the LCD
> controller.
See the archives.
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
A conservative is a man with two perfectly good legs who has never
learned to walk. - Franklin D. Roosevelt
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-05-05 14:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-05 13:24 user access to physical memory David Ho
2004-05-05 14:27 ` Wolfgang Denk [this message]
2004-05-05 16:14 ` David Ho
2004-05-05 17:16 ` devfs with ramdisk problem dong in kang
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