Re: [openrisc] GDB remote serial protocol and JTAG

[Marko Mlinar <markom@opencores.org>]

On Wednesday 23 October 2002 12:29, javier_castillo_villar@yahoo.es wrote:
> Hi:
>
>    I have a question about GDB protocol. I see that GDB comunicates
> through the GDB remote serial protocol defined in the GDB manual but
> while I take a look to the jp1 code and the or1ksim code I see that they
> dont use these protocol to comunicate. They use some structs like
> JTAGProxyWriteMessage and others. I was looking the GDB code but I
> didnt see any traslation between GDB serial protocol and these protocol.
> Is these translation in any GDB file? or1kGDB use remote serial protocol?


The or1ksim-gdb connection is currently broken, e.g. does not work (it was not 
used for a long time).
gdb-board connection works.

See previous messages on this mailing list for more info.

Both connections use some proprietary protocol to communicate over TCP/IP and 
then connect to jp1 server. This is very deep subject and you will have to 
look in or1ksim/gdb specific files if you want to explore this.

Marko

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