From: Sujoy Ray <raysujoy@yahoo.com>
To: ecos-discuss@ecos.sourceware.org
Subject: [ECOS] IXP425 Big Endian Mode
Date: Mon, 19 Sep 2005 04:31:00 -0000 [thread overview]
Message-ID: <20050918202444.78572.qmail@web53415.mail.yahoo.com> (raw)
In-Reply-To: <20050918202057.38425.qmail@web53410.mail.yahoo.com>
Hello ALL,
Let me thank you all for the suggestion I received on
this topic. After my hectic office schedule, I managed
to devote some time on the issue and finally I could
find the answer. I thought to share my finding with
this message board for future developers who might
have the same confusion as I had. Here are the
details:-
1) IXP425 core always boots in Little endian mode
only. If we choose Big endian mode during compilation,
we need to SWAP the bytes during program
download/flashing so that the XSCALE core can always
see the code in little endian only.
2) BIG endian mode is only related to data storage.
So, if enabled processor will read/write the data in
Big endian mode.
3) Code execution always in little endian mode only.
Any thoughts will be highly appreciated.
Thanks and regards,
Sujoy Ray.
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next parent reply other threads:[~2005-09-18 20:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20050918202057.38425.qmail@web53410.mail.yahoo.com>
2005-09-19 4:31 ` Sujoy Ray [this message]
2005-06-10 8:41 Sujoy Ray
2005-06-10 9:51 ` Peter Korsgaard
2005-06-10 10:34 ` Sujoy Ray
2005-06-10 11:04 ` jerzy dyrda
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