[En-Nut-Discussion] Yagarto and Arm Problems

[Mark vd Waal van Dijk]

Hi Jörg

I have a working configuration for debugging with Eclipse and J-Link GDB for
the AT91SAM7X-EK board, but it took me some time to get it on the road too.
There is a nice document about it on the atmel site: 

http://www.atmel.com/dyn/resources/prod_documents/atmel_tutorial_source.zip

In combination with the tutorial about debugging Nut/OS on the Yagarto site,
you should be able to get a working configuration:

http://www.yagarto.de/howto/debugnutos/index.html


A few things I can tell you are doing wrong:

- Your commands for the J-link GDB server. The following work here:

'Initialize' commands field in Eclipse: 

target remote localhost:2331

'Run' commands field in Eclipse:

monitor reset 
monitor speed 30 
monitor speed auto 
monitor long 0xffffff60 0x00320100 
monitor long 0xfffffd44 0xa0008000 
monitor long 0xfffffc20 0xa0000601 
monitor sleep 100 
monitor long 0xfffffc2c 0x00480a0e 
monitor sleep 200 
monitor long 0xfffffc30 0x7 
monitor sleep 100 
monitor long 0xfffffd08 0xa5000401 
set remote memory-write-packet-size 1024 
set remote memory-write-packet-size fixed 
set remote memory-read-packet-size 1024 
set remote memory-read-packet-size fixed 
continue

I think the commands you are using are meant for the OpenOCD, not for the
J-Link. You have to change /add some other settings in Eclipse too, but the
tutorial from Atmel is pretty clear about it. The tutorial describes both
OpenOCD and J-link, so be sure to take the right settings!

Good luck :) 

Mark
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