From: Ralf Baechle <ralf@oss.sgi.com>
To: Marc Karasek <marc_karasek@ivivity.com>
Cc: Linux MIPS <linux-mips@oss.sgi.com>
Subject: Re: Questions?
Date: Thu, 7 Mar 2002 14:07:54 +0100 [thread overview]
Message-ID: <20020307140754.A1817@dea.linux-mips.net> (raw)
In-Reply-To: <1015435541.3714.33.camel@MCK_Linux>; from marc_karasek@ivivity.com on Wed, Mar 06, 2002 at 12:25:11PM -0500
On Wed, Mar 06, 2002 at 12:25:11PM -0500, Marc Karasek wrote:
>
> How many of you are involved with embedded linux development using a
> MIPS processor?
>
> What endianess have you chosen for your project and why?
>
> If you have not guessed it, I am involved with a MIPS/Linux embedded
> project and we are trying to determine if there are any pros or cons in
> one endianess over the other.
The MIPS ABI only covers big endian systems - every "real" MIPS UNIX
system is big endian. Everything else is a GNU extension. There is
hardly any reason to choose a particular byteorder as usually endianess
swapping takes so little CPU time that it isn't even meassurable but so
I'm told there are exceptions. If portability of software you're
going to write wrt. external data representation (disk or network) is
of any importance then I suggest you use a system of the opposite
endianess which trip problems much faster.
Ralf
next prev parent reply other threads:[~2002-03-07 14:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-06 17:25 Questions? Marc Karasek
2002-03-06 18:20 ` Questions? Steven J. Hill
2002-03-06 18:43 ` Questions? Marc Karasek
2002-03-06 18:54 ` Questions? Hartvig Ekner
2002-03-06 18:54 ` Questions? Hartvig Ekner
2002-03-06 19:06 ` Questions? Mike McDonald
2002-03-06 19:44 ` Questions? Matthew Dharm
2002-03-06 20:32 ` Questions? Bradley D. LaRonde
2002-03-07 10:59 ` Questions? Dominic Sweetman
2002-03-07 13:07 ` Ralf Baechle [this message]
2002-03-07 13:11 ` Questions? Geert Uytterhoeven
2002-03-07 13:18 ` Questions? Ralf Baechle
2002-03-07 17:56 ` Questions? Richard Hodges
2002-03-08 9:58 ` Questions? Dominic Sweetman
-- strict thread matches above, loose matches on Subject: below --
2002-03-06 20:40 Questions? Marc Karasek
2002-03-06 20:41 ` Questions? Matthew Dharm
2002-03-07 19:19 Questions? Siders, Keith
2002-03-07 21:00 ` Questions? Richard Hodges
2002-03-07 21:44 Questions? Siders, Keith
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