Floating point issue in rtems 4.8.2 when running on TSIM

[Needell Gerald]

In your init.h, I think you have to add:
#include <rtems/confdefs.h> 

after the #define CONFIGURE_INIT

see:
http://rtems.org/onlinedocs/releases/rtemsdocs-4.8.1/share/rtems/html/c_user/c_user00403.html

 


On Jun 30, 2011, at 6:05 AM, Óscar Álvarez Paredes wrote:

> Hi,
>  
> I have the following files in rtems 4.8.2.
>  
> It compiles Ok, but when I run it on TSIM it gives the following error:
>  
> TSIM/LEON SPARC simulator, version 2.0.15 (professional version)
>  
> Copyright (C) 2001, Gaisler Research - all rights reserved.
> For latest updates, go to http://www.gaisler.com/
> Comments or bug-reports to tsim at gaisler.com
>  
> serial port A on stdin/stdout
> allocated 4096 K RAM memory, in 1 bank(s)
> allocated 32 M SDRAM memory, in 1 bank
> allocated 2048 K ROM memory
> icache: 1 * 4 kbytes, 16 bytes/line (4 kbytes total)
> dcache: 1 * 4 kbytes, 16 bytes/line (4 kbytes total)
> section: .text, addr: 0x40000000, size 95760 bytes
> section: .data, addr: 0x40017610, size 3184 bytes
> section: .jcr, addr: 0x40018280, size 4 bytes
> read 639 symbols
> tsim> go 0x40000000
> resuming at 0x40000000
> Call to testRun ...
> Init
> Math test
> Unexpected trap ( 4) at address 0x40001584
> fp disabled
>  
> Program exited normally.
>  
> It seems as if the fp was no enabled at RTEMS level, but as you can see in the init.h file I have:
> #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
>  
> Any idea why?
>  
> Thanks,
>  
> Oscar
> 
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