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Re: MultiICE, gdb and parallel port
- To: ARM Linux List <linux-arm at lists dot arm dot linux dot org dot uk>, gdb at sources dot redhat dot com
- Subject: Re: MultiICE, gdb and parallel port
- From: Dan Hovang <d at wespot dot com>
- Date: Thu, 08 Nov 2001 18:44:10 +0100
- References: <3BEA7490.95290FEF@wespot.com>
I've begun looking on how to add support to gdb; it seems quite
simple from a code-writing point of view; but I find no information
on how to use the parallel port. Ie. should it be "laplink" style,
half duplex or ..?
Input regarding this would be most welcome.
All the best,
Dan
Dan Hovang wrote:
>
> Hi,
>
> I'm trying to get arm-elf-gdb 5.0 (to be more precise, insight)
> to run using a MultiICE over the parallel port. After some failed
> attempts using "target rdi p=/dev/lp0" and similar I began
> tracing the gdb code and found that there are three protocols to
> use; serial, ethernet and serpar. It seems like the serpar
> would be my best bet, but from what I can read from the source it
> uses BOTH serial and parallel connections at the same time; serial
> for reads and parallel for writes. My MultiICE has parallel interface
> only.
>
> I want to use gdb. What to do? Should I implement a parallel only
> driver for gdb? It does not seem like that much work; the driver
> infrastructure is real nifty. But any help would be most appreciated.
>
> Thanks,
> Dan
--
Dan Hovang dan@wespot.com +46 733 451 427
WeSpot AB Sölvegatan 41 223 70 Lund, Sweden