Re: [Openocd-development] [PATCH] <Cortex A8> MMU Support

[Anton F. <AD....@gm...>]

Hello,

    Please see logs of OpenOCD and GDB in attached files.

Anton Fedotov

2010/4/3 Anton Fedotov <AD....@gm...>:
> Hello,
>
> Thanks for your replies. Let me tell a few words about debugging emvironment
> I've used Devkit8000: http://www.armkits.com/Product/devkit8000.asp
> It came with Linux preinstalled. From user guide I've taken an example
> program that makes leds blink and cross-compiled it with debug symbols
> included. I didn't recompile Linux kernel, but I think everything will be the
> same.
>
> I've launched the system this way:
> 1) Powered on Devkit8000
> 2) On my linux host launched OpenOCD:
> sudo openocd -s /usr/local/share/openocd/ -f
> interface/olimex-jtag-tiny.cfg -f target/omap3530.cfg -d 3
> 3) On cross-GDB (arm-linux-gnueabi-gdb) entered commands:
> target remote localhost:3333
> monitor gdb_breakpoint_override hard
> monitor omap3_dbginit omap3530.cpu
> monitor halt
>
> Two last commands can be substituted with "monitor reset halt". Command
> "monitor gdb_breakpoint_override hard" is critical. It tells gdb to use hardware
> breakpoints.
>
> Now GDB is connected to the device and device is stoped and ready to
> be debugged.
> You can use usual GDB commands like: backtrace, break, step, stepi,
> print, x, ...
> And also Openocd commands in GDB like: monitor virt2phys, monitor mww, ...
>
> I'll attach some logs of debugging session on Monday.
>
> Anton
>
> 2010/4/3 Dirk Behme <dir...@go...>:
>> Hi Anton,
>>
>> On 03.04.2010 09:16, Øyvind Harboe wrote:
>>>
>>> Hi Anton,
>>>
>>> I can't look until after easter, but it is great to see some work
>>> done in this area!
>>
>> Yes, great! :)
>>
>>> Hopefully you'll get some good feedback before then and it will
>>> be ready to merge soon, so we can get it tested more widely!
>>
>> It would be nice if you could give some short examples how you tested it.
>> E.g. how to load U-Boot and Linux debugging symbols, how you initialized
>> OpenOCD, where you set breakpoints etc. Maybe you like to just copy & paste
>> the log of an example debugging session?
>>
>> Many thanks for the great work and best regards
>>
>> Dirk
>>
>>
>>
>