Re: [linux-sh:03382] Problem when using GDB stub for SH2

Hi Paul, was the sh-ipl+g you developed for arn44b (sh2 7044 based board) 
available on CVS? Did you test it?

Thanks 

Ciao

Fabio


On Thursday 20 January 2005 12:41, Min ZOU wrote:
> Hi Fabio,
>
> Fabio Giovagnini wrote:
> > Did you used sh-ipl+g as is for sh-2 only setting you serial line?
>
> I used my own UART initialization routine, and it is working. In fact,
> the hardware initialization part is not the issue. The problem is more
> on how gdb stub handles breakpoint and continue commands from gdb.
>
>  >>5. start the kernel:
>  >>    (gdb) c
>  >>    Continuing.
>  >>    Sending packet: $Z0,1ba26,2#70...Ack
>  >>    Packet received:
>  >>    Packet Z0 (software-breakpoint) is NOT supported
>  >>    Sending packet: $m1ba26,2#27...Ack
>  >>    Packet received: d107
>  >>    Sending packet: $M1ba26,2:c320#39...Ack
>  >>    Packet received: OK
>  >>    Sending packet: $Hc0#db...Ack
>  >>    Packet received:
>  >>    Sending packet: $c#63...Ack
>
> For the above scenario (in my previous email), I have a few questions:
> - why does gdb know to write "c320" which is the opcode for "trapa #32"
> for SH2?
> - what are the possible reasons of why there is no response from stub
> after gdb sends the packet "$c#63"?
>
> > It should be working with the job done by Paul Mundt.
> > Is it rigth Paul?
> > Anyway Min ZOU, we have a working version for sh4 7044.
>
> Where is the source code available?
>
> Thanks!


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