RTEMS SMP configuration

[Joel Sherrill]

On December 5, 2014 2:40:59 PM CST, Hesham Moustafa <heshamelmatary at gmail.com> wrote:
>On Fri, Dec 5, 2014 at 8:36 PM, Gedare Bloom <gedare at rtems.org> wrote:
>> Look for where the undefined functions exist and see what guards in
>> the build system or the source code itself might be precluding them
>> from your build.
>>
>Most of SMP files are guarded with HAS_SMP and RTEMS_SMP. I always run
>boostrap -p and bootstrap after every change and configure/build
>again.
>> Make sure you re-bootstrap and re-configure a clean build, as old
>> files might cause problems.

Reference the SPARC leon3 bsp and keep good notes. They can be vetted against documentation or become it.

The SMP wiki page may have hints as well.


>> -Gedare
>>
>> On Fri, Dec 5, 2014 at 3:09 PM, Hesham Moustafa
>> <heshamelmatary at gmail.com> wrote:
>>> It seems like adding an entry for epiphany at aclocal/enable-smp.m4
>is
>>> not enough, I still get the same error, any hints?
>>>
>>> On Fri, Dec 5, 2014 at 6:03 PM, Hesham Moustafa
>>> <heshamelmatary at gmail.com> wrote:
>>>> I had to add epiphany to the list RTEMS CPUs that support SMP at
>>>> aclocal/enable-smp.m4
>>>>
>>>> On Fri, Dec 5, 2014 at 5:06 PM, Hesham Moustafa
>>>> <heshamelmatary at gmail.com> wrote:
>>>>> Hi,
>>>>>
>>>>> Should I add anything other than --enable-smp at configuration
>line
>>>>> and RTEMS_CHECK_SMP
>>>>> AM_CONDITIONAL(HAS_SMP,[test "$rtems_cv_HAS_SMP" = "yes"])
>>>>> to bsp configure.ac file to make the building system collects SMP
>>>>> files (e.g, smpimpl.h). I always get undefined reference to some
>SMP
>>>>> functions like _SMP_Send_message although I am including
>>>>> <rtems/score/smpimpl.h>
>>>>>
>>>>> Thanks,
>>>>> Hesham
>>> _______________________________________________
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--joel