Re: [Xenomai-help] Xenomai patch for AT91ARM9200

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

Prakash A S wrote:
> On Mon, Aug 23, 2010 at 2:05 PM, Gilles Chanteperdrix <
> gilles.chanteperdrix@xenomai.org> wrote:
> 
>> Prakash A S wrote:
>>> Dear All,
>>>          Now I am working on AT91RM9200 based processor ARM board with
>> Linux
>>> 2.6.20 kernel and also planing to port Xenomai on this board. I preferred
>>> xenomai-2.4.0. Because it has adeos-ipipe patch for 2.6.20 kernel.
>> However I
>>> found that there is an separate ipipe patch available for AT91 processor
>> in
>>> xenomai-2.3.2. Do I need any similar patch for xenomai-2.4.0 or
>>> adeos-ipipe-2.6.20-arm-1.802.patch is enough?.
>>>
>>> I beleive the steps will be like,
>>> linux-2.6.20+2.6.20-at91.patch.gz+adeos-ipipe-2.6.20-arm-1.802.patch
>> You did it again: as documented in ksrc/arch/arm/patches/README,
>> what Xenomai version you pick is largely irrelevant to what I-pipe patch
>> you want to use, so, you can probably use the I-pipe patch for 2.6.20
>> with Xenomai 2.5.4.
>>
>>
> Agreed. The intention is to clarify few doubts. Otherwise I will missed to
> get such an specific info mentioned below.
> Thanks for the info.
> 
> 
>> All releases of a Xenomai branch are backward compatible, so, if you
>> want to pick something in the any branch, pick the latest (2.4.10 for
>> 2.4 branch, 2.5.4 for 2.5 branch). Also note that all I-pipe patches up
>> to, but not including, 2.6.28-1.12-05, are buggy, so, if you want to use
>> 2.6.20, you will have to apply the patch attached to this mail:
>>
>> https://mail.gna.org/public/xenomai-core/2009-08/msg00021.html
>>
>> As for the initial question, I do not remember that far in the past.
>> But, at some point in the past, the I-pipe patch started being able to
>> be applied with and without the AT91 patch, I do not remember if
>> 2.6.20-1.8-02 was in this case.
>>
>>
> At this moment my board only supports linux-2.6.20. So I just like to port
> xenomai and test the board with the same kernel version. Later I will
> upgrade the linux kernel and move to the latest xenomai.
> 
> I would like to know in which format you getting my mails now?.

You can check the mail contents:

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On Mon, Aug 23, 2010 at 2:05 PM, Gilles Chanteperdrix <
gilles.chanteperdrix@xenomai.org> wrote:

(...)

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<br><br><div class=3D"gmail_quote">On Mon, Aug 23, 2010 at 2:05 PM, Gilles =
Chanteperdrix <span dir=3D"ltr">&lt;<a href=3D"mailto:gilles.chanteperdrix@=
xenomai.org">gilles.chanteperdrix@xenomai.org</a>&gt;</span> wrote:<br><blo=
ckquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, 204,=
 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">


-- 
					    Gilles.