Support for PowerPC e200 cores

[Joel Sherrill]

Ralf Corsepius wrote:
> On Fri, 2008-02-15 at 08:48 -0600, Joel Sherrill wrote:
>   
>> Sebastian Huber wrote:
>>     
>>> Hi,
>>> we want to develop a BSP for a MPC5566 evaluation board. It uses a e200
>>> processor core. My first job is to get the basic tools ready. I am quite
>>> new in
>>> this business, so please have mercy with me if I ask to many clumsy
>>> questions ;-)
>>>
>>>       
>
>   
>> Use the RPMs.  I repeat use the RPMs.  There is normally
>> no reason to generate a custom compiler.  And this case
>> is certainly NOT an exception that rule.  The current
>> powerpc-rtems4.9-gcc includes this in its specs:
>>
>>  %{mcpu=8540: -me500}
>>
>> So the tools should be OK.
>>     
>
> They are not - More precisely, the instruction set is in GCC, but the
> multilib support is missing.
>
> Finally, trying to add it (it's one multilib variant) reveals bugs in
> GCC -- If it was that easy, I would have posted a patch in response ;)
>   
OK.  I guess it's time to start filing PRs again and seeing
if Debian or Fedora is holding another lump of unsubmitted
patches that  look to help.


--kpe;

> Ralf
>
>
>
>
>   


-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
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