Hello World Error...

[Madhu Raju]

>===== Original Message From Joel Sherrill <joel.sherrill at oarcorp.com> =====
>Madhu Raju wrote:
>>
>> Hi,
>> I have configured RTEMS for dmv177 bsp for powerpc.I did that succesfully.I
>> downloaded a hello world application onto SVME/DMV-177 PowerPC 603e Single
>> Board Computer using minicom.When i try to execute the application, I get 
the
>> following error:
>>
>> Exception 0400:  Instruction Access Exception
>>       SRR0(pc) 00041A10   SRR1(msr) 10002030
>>
>>
>> I found out from Hello.num and hello.dump that the instruction is
>>
>> 000419ec T bsp_start
>>
>> Could anyone please help me solve this problem?
>
>I have no guesses but recommend using powerpc-rtems-objdump -da to find
>out
>what instruction is at 00041A10.  That would give a clue as to what
>happened.
>
>One thing I do see is that the linkcmds assumes 32M of RAM.  If this
>doesn't
>match your board, it could be accessing non-existent memory.
>
>I haven't heard a report on this BSP in a long time.  Please keep us
>posted.
>
>> Thanks,
>>
>> Madhu
>

 
The instruction at 41A10 is
 41a10:	80 87 00 04 	lwz	r4,4(r7)
 
Can the problem be guessed using this instruction information?
 
Thanks, 
Madhu