From: Laurent Gregoire <laurent.gregoire-Jdzig1fPfSTQT0dZR+AlfA@public.gmane.org>
To: Yoder Stuart-B08248
<stuart.yoder-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: devicetree-discuss
<devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>
Subject: RE: Of the device tree binary format endianness on little-endianplatform
Date: Thu, 19 Feb 2009 09:54:55 +0100 [thread overview]
Message-ID: <1235033695.17001.142.camel@pc-laurentg.intra.local> (raw)
In-Reply-To: <9696D7A991D0824DBA8DFAC74A9C5FA304C9D5EA-ofAVchDyotYzzZk0BCvKg5jmvxFtTJ+o0e7PPNI6Mm0@public.gmane.org>
> Please take a look at the ePAPR where the flattened
> device tree format is formally speced out.
>
> http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf
>
> Integers in property values and in the DTB structure
> are all big-endian.
According to all this discussion so far, we'll then keep the binary
format to big-endian, and dynamically switch endianness on the target
itself.
ARM could be configured in both mode anyway, so that also make sense to
always use the same endianness regardless of the target one.
Laurent GREGOIRE
Embedded Software Engineering | TomTom | www.tomtom.com
next prev parent reply other threads:[~2009-02-19 8:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-18 16:46 Of the device tree binary format endianness on little-endian platform Laurent Gregoire
[not found] ` <1234975585.17001.131.camel-AlTa8cHOufjkPJRI6LV1/EZjUo8kaGiB@public.gmane.org>
2009-02-18 17:10 ` Mitch Bradley
[not found] ` <499C40F0.5020800-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2009-02-18 18:45 ` Jon Loeliger
[not found] ` <499C5749.9000503-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2009-02-18 19:01 ` Mitch Bradley
2009-02-18 19:28 ` Of the device tree binary format endianness on little-endianplatform Yoder Stuart-B08248
[not found] ` <9696D7A991D0824DBA8DFAC74A9C5FA304C9D5EA-ofAVchDyotYzzZk0BCvKg5jmvxFtTJ+o0e7PPNI6Mm0@public.gmane.org>
2009-02-19 8:54 ` Laurent Gregoire [this message]
2009-02-24 21:26 ` Of the device tree binary format endianness on little-endian platform Timur Tabi
[not found] ` <ed82fe3e0902241326g39a5c7fdj861aa37ebe821aee-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-02-25 16:16 ` Laurent Gregoire
[not found] ` <1235578609.17001.318.camel-AlTa8cHOufjkPJRI6LV1/EZjUo8kaGiB@public.gmane.org>
2009-02-26 0:52 ` David Gibson
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