On Fri, Feb 7, 2014 at 3:02 AM, Sebastian Huber <sebastian.hu...@embedded-brains.de> wrote: > On 2014-02-06 22:43, Chris Johns wrote: >> >> On 7/02/2014 2:00 am, Sebastian Huber wrote: >>> >>> On 2014-02-06 15:52, Jiri Gaisler wrote: >>>> >>>> >>>> On 02/06/2014 03:37 PM, Sebastian Huber wrote: >>>>> >>>>> >On 2014-02-06 15:35, Gedare Bloom wrote: >>>>>> >>>>>> >>Thanks Sebastian. Is there some sim-script support or >>>>>> documentation on >>>>>> >>using this BSP with Qemu? >>>>> >>>>> > >>>>> >Yes, I will commit this tomorrow. Can't switch branches currently >>>>> due to active test runs. >>>>> > >>>> >>>> It seems that this patch is necessary because qemu/leon3 does >>>> not implement the plug&play feature of leon3, and does not >>>> pre-initialize timers and UARTs. Wouldn't it be simpler to >>>> add the missing features to qemu, rather than add an extra bsp? >>> >>> >>> Yes, this solution would be better. >> >> >> I agree. >> >>> The problem is that this requires >>> more work and I don't have a budget for this. >> >> >> That may be the case but it is not really a concern for the project. > > > It is a concern for the project since if I work on QEMU then I cannot work > on RTEMS. > > >> >>> We can of course remove this BSP if QEMU is capable enough some time in >>> the future. >> >> >> This is correct however rejecting the patch means fixing qemu is the best >> solution and that is in the interest of the project. Adding a bsp is much >> easier than removing one even when clearly stated it is temporary. Hiding >> issues in work arounds like this is not a good idea. > > > I considered to add the support to QEMU, but my estimate was that this takes > several days. Adding this BSP was a matter of one hour or so. It is good > enough to run the RTEMS and GCC test suites. My main goal was to be able to > test the CAS instruction. This is not available on SIS. Since QEMU has > some benefits over SIS I decided to add the support for it to QEMU instead > of SIS: > > http://lists.gnu.org/archive/html/qemu-devel/2013-11/msg03718.html > > This patch is still not included in QEMU. Imagine how much time and > patience you need to integrate larger changes sets. > > If you don't like the BSP, then we can remove it. > > >> >> I prefer seeing qemu get fixed. > > > I prefer this too, but how will do it? Its not me. > Please consider making an open project page for the effort to fix Qemu on the rtems wiki. Perhaps someone will kindly volunteer some time, or it might be doable as a portion of a GSOC/SOCIS.
I consider adding the BSP as OK, but it is a concern that we just never fix Qemu as a result. However, it is better to have something that works for the community to use to test Leon3 with Qemu. -Gedare > > -- > Sebastian Huber, embedded brains GmbH > > Address : Dornierstr. 4, D-82178 Puchheim, Germany > Phone : +49 89 189 47 41-16 > Fax : +49 89 189 47 41-09 > E-Mail : sebastian.hu...@embedded-brains.de > PGP : Public key available on request. > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. > _______________________________________________ > rtems-devel mailing list > rtems-devel@rtems.org > http://www.rtems.org/mailman/listinfo/rtems-devel _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
