sis: fp disabled??

Roman Schnider schnider at aicas.com
Fri Mar 12 10:19:09 UTC 2004


Thanks for the hint. That solved the problem.
> 
> 
> Roman Schnider wrote:
> 
>> Hi,
>>
>> RTEMS 4.6 sparc, erc32 BSP
>>
>> I try to run my application using the integrated simulator in
>> sparc-rtems-gdb. During execution, I get the following error:
> 
> 
> You did not create your application task with the floating point
> attribute.  Since you said the task was integer only, RTEMS
> disabled the FPU for that task.
> 
> 
>> Unexpected trap (0x04) at address 0x0200fd20
>> fp disabled
>>
>> a backtrace in gdb shows this:
>>
>> (gdb) bt
>> #0  syscall () at 
>> ../../../../../../../../rtems-4.6.0/c/src/lib/libcpu/sparc/syscall/syscall.S:54 
>>
>> #1  0x02030b24 in DEBUG_puts (string=0xe3 "") at 
>> ../../../../../../../../../rtems-4.6.0/c/src/lib/libbsp/sparc/erc32/console/debugputs.c:112 
>>
>> #2  0x02030f5c in bsp_spurious_handler (trap=37747504, isf=0x2057000)
>>     at 
>> ../../../../../../../../../rtems-4.6.0/c/src/lib/libbsp/sparc/erc32/startup/spurious.c:140 
>>
>> #3  0x0203c8a8 in dont_fix_pil2 () at 
>> ../../../../../../../../rtems-4.6.0/cpukit/score/cpu/sparc/cpu_asm.S:598
>> ...
>> [my application code]
>>
>> I assume 'fp disabled' means no floating point support.
>> Did I miss any configure option when building the erc32 bsp?
>>
>> Thanks for your help
>> Roman
> 
>



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