Hello World Error...

Madhu Raju madhu1 at umbc.edu
Fri May 30 17:49:06 UTC 2003

>===== 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 
>> 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
>what instruction is at 00041A10.  That would give a clue as to what
>One thing I do see is that the linkcmds assumes 32M of RAM.  If this
>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
>> 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?

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