HELP: Instructions on building MPC85xx (e500) toolchain with the latest Crosstool (0.42)

[Khem Raj]

Zhuang Yuyao said the following on 05/10/2006 02:49 AM:
> Khem Raj wrote:
>> Zhuang Yuyao wrote:
>>> Hi,
>>>
>>> I've searched this mail-list for instructions on building a MPC85xx 
>>> (e500) cross-compiling toolchain, there are a lot of mails related 
>>> to this topic but the instructions are either in-complete or 
>>> contradictive. Would anyone please share your experience on how to 
>>> build such a toolchain with the latest crosstool (0.42 by now)? It 
>>> would be nice if someone can provide the complete build files, 
>>> including powerpc-e500.dat and powerpc-e500.sh which are compatible 
>>> with the latest crosstool-0.42.
>
>> http://ozlabs.org/pipermail/linuxppc-embedded/2005-January/016398.html
>
> Thanks for your reply, I had read this article but it's a bit 
> outdated. I've just successfully compiled (just compiled, not tested) 
> the 8540 toolchain *without* SPE support and now trying to make a 
> SPE-enabled toolchain based on patches from ELDK 4.0 
> (http://denx.org). I've failed for several times, now the crosstool is 
> still compiling on my debian server.
>
> Here is a question somewhat off-topic: is SPE important to increase 
> the performance of a MPC854X board which is used as a VPN gateway?
I dont know what kind of processing your system requires but in general 
SPE addon can speed up the execution speed (sometimes upto 40%)
To get a better idea you should try to benchmark SPE and non SPE 
toolchains once you get them building.
>
>> this might help.
>>>
>>> The toolchain I am going to build is:
>>> binutils 2.16.1+
>>> gcc 3.4.5
>>> glibc 2.3.6
>>> linux kernel 2.6.15
>>>
>>> Thanks very much.
>>>
>>> Best regards,
>>>
>>>    Zhuang Yuyao
>>>
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>>>
>>
>>
>


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