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I assume you just want to be able to use GDB to debug code running on

Jeremy,
Would it be possible to add the OR1200 JTAG as part of the FPGA JTAG
chain? or is using GPIO's the best solution?

Thanks,
Faisal

On Tue, 17 May 2005, Jeremy Fillingim wrote:

> I assume you just want to be able to use GDB to debug code running on
> your OR1200.
>
> You don't need to link the OR1200 JTAG interface to the FPGA JTAG
> interface. Just route the JTAG pins from the OR1200 out to available
> GPIOs and connect your JTAG cable to those pins.
>
> This works very well for debugging code.
>
> I can think of a way to put the OR1200 JTAG and the FPGA JTAG in a
> single loop, but it doesn't seem very useful since you'd lose the
> ability to configure the FPGA via JTAG.
>
> On 5/17/05, Amr El Dieb <amr@s...> wrote:
> >
> > I am trying to implement the OR1200 microprocessor on Virtex II FPGA,
> > and i want to link the local JTAG interface of the OR1200  (debug port)
> > to the external JTAG interface of the FPGA. So, i want to ask if this is
> > possible or not? and if it is possible, how i can do it?
> >
> > Thanks in advance.
> >
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> >
>
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