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Reduce size of RTEMS in the text area



Joel Sherrill wrote:
> Julien Houles wrote:
>   
>> Hello,
>>  
>> I'm using RTEMS on a leon2 processor and the memory available is very 
>> small.
>> I would like to know the exact process to reduce the RTEMS size 
>> (151,600 bytes for a small application whereas the minimum size of 
>> RTEMS given in the SPARC application supplement is 28,288 bytes).
>> I just need core, Initialisation, task, semaphore, message, partition, 
>> fatal error managers. (where do I configurate RTEMS to take only the 
>> managers I need ?)
>>     
> What RTEMS version are you using?
>
>   + Change compile options from -O2 to -Os -DNDEBUG
>   
Be aware that defining NDEBUG removes all 'assert(...)' statements.
Therefore, you must be sure that no 'assert' statements with side-effects
are in your code.

-- T.
>   + disable itron and posix
>
> That will have some impact.  But you can't take out features you
> are using.
>
> 4.7.1 included some size reducing refactoring and reduced minimum on
> the erc32 by about 30% over 4.7.0. 
>
> The CVS head can shrink it below that but the CVS head is always a moving
> target. :)
>   
>>  
>> Thanks in advance.
>>  
>> Julien.
>>
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>>     
>
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