fatal after a new source-builder update

Ярослав Лещинский midniwalker at gmail.com
Wed May 15 16:30:35 UTC 2019


sorry, my fault -- forgot to rebuild the whole project.

Everything works fine with enabled FPU (-mthumb -mcpu=cortex-m4
-mfpu=fpv4-sp-d16 -mfloat-abi=hard)

On Wed, 15 May 2019 at 17:06, Ярослав Лещинский <midniwalker at gmail.com>
wrote:

> if change to CPU_CFLAGS =  -mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16
> -mfloat-abi=softfp, application not responded at all.
>
>
>
> On Wed, 15 May 2019 at 16:45, Ярослав Лещинский <midniwalker at gmail.com>
> wrote:
>
>> yes, I know, I just checked that behavior is the same as before.
>>
>> With these flags -mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16
>> -mfloat-abi=hard
>>
>> I got error from linker:
>>
>> /home/midnight/rtems/toolchain/5/lib/gcc/arm-rtems5/7.4.1/../../../../arm-rtems5/bin/ld:
>> error: o-optimize/test.exe uses VFP register arguments, /
>> home/midnight/workspace/rtems/build/arm-rtems5/stm32l4/lib/librtemsbsp.a(bspfatal-default.o)
>> does not
>> /home/midnight/rtems/toolchain/5/lib/gcc/arm-rtems5/7.4.1/../../../../arm-rtems5/bin/ld:
>> failed to merge target specific data of file /home/midnig
>>
>> ht/workspace/rtems/build/arm-rtems5/stm32l4/lib/librtemsbsp.a(bspfatal-default.o)
>>
>> Currently I'm trying to figure out what is a problem.
>>
>> On Wed, 15 May 2019 at 16:33, Sebastian Huber <
>> sebastian.huber at embedded-brains.de> wrote:
>>
>>> On 15/05/2019 15:31, Ярослав Лещинский wrote:
>>> > problem solved after edition of CPU_FLAGS as mentioned in stm32f4.cfg:
>>> >
>>> > CPU_FLAGS = -mthumb -mcpu=cortex-m4
>>>
>>> If you use these flags, then you don't use the floating point
>>> instructions.
>>>
>>> --
>>> Sebastian Huber, embedded brains GmbH
>>>
>>> Address : Dornierstr. 4, D-82178 Puchheim, Germany
>>> Phone   : +49 89 189 47 41-16
>>> Fax     : +49 89 189 47 41-09
>>> E-Mail  : sebastian.huber at embedded-brains.de
>>> PGP     : Public key available on request.
>>>
>>> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>>>
>>>
>>
>> --
>> --
>> Kind regards,
>> *Yaroslav Leshchinsky*
>>
>
>
> --
> --
> Kind regards,
> *Yaroslav Leshchinsky*
>


-- 
--
Kind regards,
*Yaroslav Leshchinsky*
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/devel/attachments/20190515/bdf9dc3a/attachment-0002.html>


More information about the devel mailing list