From: Timur Tabi <timur@freescale.com>
To: Krzysztof Halasa <khc@pm.waw.pl>
Cc: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
Anton Altaparmakov <aia21@cam.ac.uk>,
Jan Engelhardt <jengelh@computergmbh.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: __LITTLE_ENDIAN vs. __LITTLE_ENDIAN_BITFIELD
Date: Tue, 09 Oct 2007 14:44:58 -0500 [thread overview]
Message-ID: <470BDA3A.1060809@freescale.com> (raw)
In-Reply-To: <m37ilwcc4v.fsf@maximus.localdomain>
Krzysztof Halasa wrote:
> Timur Tabi <timur@freescale.com> writes:
>
>>> There is no such thing as bit-order.
>> Yes, there is. You need to read the article at
>> http://www.linuxjournal.com/article/6788. Explains what it means for
>> bits to be in one order versus another. This is from the perspective
>> of external devices, not the CPU (which is always consistent with
>> regards to bit order)
>
> Have you ever seen a device or platform with the bits reversed?
I think when the PowerPC is running in little-endian mode, that might be the
case. It needs to be able to write a byte in big-endian mode, and then read
that byte back in little-endian mode and have it be the same byte.
--
Timur Tabi
Linux Kernel Developer @ Freescale
next prev parent reply other threads:[~2007-10-09 19:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-05 18:27 __LITTLE_ENDIAN vs. __LITTLE_ENDIAN_BITFIELD Timur Tabi
2007-10-05 18:35 ` Jan Engelhardt
2007-10-05 19:35 ` Timur Tabi
2007-10-05 19:43 ` Jan Engelhardt
2007-10-05 19:47 ` Timur Tabi
2007-10-05 20:04 ` Andreas Schwab
2007-10-05 20:07 ` Timur Tabi
2007-10-05 20:34 ` linux-os (Dick Johnson)
2007-10-05 20:37 ` Timur Tabi
2007-10-05 23:27 ` Benjamin Herrenschmidt
2007-10-05 21:17 ` Andreas Schwab
2007-10-05 21:06 ` Anton Altaparmakov
2007-10-05 21:10 ` Timur Tabi
2007-10-05 21:29 ` Andreas Schwab
2007-10-05 21:32 ` Timur Tabi
2007-10-05 23:17 ` Andreas Schwab
2007-10-09 17:46 ` Lennart Sorensen
2007-10-09 17:56 ` Timur Tabi
2007-10-09 18:34 ` Lennart Sorensen
2007-10-09 18:50 ` Krzysztof Halasa
2007-10-09 18:57 ` Timur Tabi
2007-10-09 19:37 ` Krzysztof Halasa
2007-10-09 19:44 ` Timur Tabi [this message]
2007-10-09 22:11 ` Krzysztof Halasa
2007-10-09 19:11 ` Jeremy Fitzhardinge
2007-10-09 19:39 ` Krzysztof Halasa
2007-10-09 21:40 ` Jeremy Fitzhardinge
2007-10-09 22:34 ` Krzysztof Halasa
2007-10-10 12:05 ` linux-os (Dick Johnson)
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