Adding GDB BSPs to rtems-tester

[Niteesh G. S.]

Which architecture should I try then? Maybe powerpc or mips? If you have any
of them already built can you please try them out? Building everything from
source takes a lot of time in my dev machine.

On Sat, Mar 21, 2020 at 6:41 PM Gedare Bloom <gedare at rtems.org> wrote:

> On Sat, Mar 21, 2020 at 12:54 AM Niteesh G. S. <niteesh.gs at gmail.com>
> wrote:
> >
> > On Thu, Mar 19, 2020 at 11:43 PM Gedare Bloom <gedare at rtems.org> wrote:
> >>
> >> On Thu, Mar 19, 2020 at 11:56 AM Niteesh G. S. <niteesh.gs at gmail.com>
> wrote:
> >> >
> >> > Hello,
> >> >
> >> > While looking for small tasks to take up, Gedare mentioned about
> adding GDB BSPs
> >> > to rtems-tester. Can some please explain a bit more of what has to be
> done? I guess
> >> > we have to write configuration files for BSPs that support simulation
> in GDB. If so, how
> >> > could I find those BSPs, do I have to individually look at all the
> BSPs?
> >> >
> >> As I said off-list, I don't know if there's a list of GDB BSPs, but I
> >> know of at least:
> >> powerpc/psim
> >> mips/jmr3904
> >> moxie/moxiesim
> >> arm/gdbarmsim
> >> sh/shsim
> >>
> >> I have no idea what any of their statuses are or if they are expected
> >> to work. The first step would be building them and see if they run
> >> anything. After that, you should look at the existing tester scripts for
> >> some targets:
> >>   rtems-tools.git/tester/rtems/testing/bsps
> >> I see scripts for most of what I listed above, so the next step would
> >> be trying to run them via tester and see if it works.
> >
> >
> > I built the simsh1 BSP but couldn't get it running. Before trying it
> with rtems-run
> > and rtems-test I tried manually loading it in the simulator. But gdb
> doesn't respond
> > as soon as I execute the run command. The only way to exit it was using
> ctrl-c and GDB
> > responds with
> > sim_events_schedule_after_signal - buffer overflow
> > Quit
> > Aborted (core dumped)
> > I tried setting breakpoints within GDB but it never seems to hit them. I
> tried running the
> > examples through rtems-test results in ta imeout.
> >
> > Due to the slow internet connection and slow development machine, I
> could only build
> > and test a few BSPs. In case if anyone has an already built tool suite
> and BSP for the
> > mentioned arch please try them out.
> >
> I don't know that anyone uses this architecture. Don't spend too much
> effort trying to debug the simulator :)
>
> >> BTW: Did I mention adding these to tester, or did I mention creating
> >> build sets for them? Anyway, I think the GDB simulator builds by
> >> default with the toolchain, so there is no difference between a BSP
> >> buildset (such as for jmr3904) and one that supports running on GDB.
> >> At least, I think so. It is worth verifying.
> >>
> >> Gedare
> >>
> >> > Thank you,
> >> > Niteesh.
> >> > _______________________________________________
> >> > devel mailing list
> >> > devel at rtems.org
> >> > http://lists.rtems.org/mailman/listinfo/devel
>
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