RES: Reduce size of RTEMS in the text area

ray xr at
Tue May 15 14:04:10 UTC 2007

My code is an experimental one. I just want to see how small RTEMS can be. It hack some kernel code rudely without serious consideration, and I can not guarantee it will fit your BSP. So I¡¯d like to send you my patch in a separate mail.

Thanks & Best Regards!

From: Fabricio_de_Novaes_Kucinskis
Date: 2007-05-15 01:03:03
To:   ray; Julien Houles; rtems-users at
Sub:  RES: Reduce size of RTEMS in the text area


Could you tell us how to disable MINIMFS? I'd like to try it here.

Thanks in advance,


-----Mensagem original-----
De: at
[ at]Em nome de
Enviada em: segunda-feira, 14 de maio de 2007 10:23
Para: Julien Houles; rtems-users at
Assunto: Re: Reduce size of RTEMS in the text area

You need disable MINIIMFS, libio and libc, and exclude the console from your
Makefile. This will make your minium.exe less than 20K
Or, if you can wait, there may be a snapshot release which disable these.

Thanks & Best Regards!

From: Julien Houles
Date: 2007-05-14 17:34:01
To:   rtems-users at
Sub:  Reduce size of RTEMS in the text area


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 ?)

Thanks in advance.


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