----- Ursprüngliche Mail ----- > Von: "Chris Johns" <chr...@rtems.org> > An: "Christian Mauderer" <christian.maude...@embedded-brains.de>, > devel@rtems.org > Gesendet: Sonntag, 18. Juni 2017 04:31:22 > Betreff: Re: Valid interrupt vectors and the interrupt server
> On 18/6/17 2:17 am, Christian Mauderer wrote: >> Hello, >> >> I had a problem recently, that the interrupt server (for example used in >> libbsd) >> caused some odd behaviour on an ARM Cortex BSP. That was solved by the >> following patch: >> >> https://git.rtems.org/rtems/commit/?id=ce3ac00c >> >> Just today Sichen Zhao had a similar problem on the BBB: >> >> https://lists.rtems.org/pipermail/devel/2017-June/018158.html >> >> I took a look and it seems that there are a lot of BSPs which don't check for >> the valid interrupt vector range in their bsp_interrupt_vector_disable/enable >> functions. Every one of them will most likely have a problems if someone >> tries >> to use libbsd or the interrupt server. > > I seem to be missing something. Is the interrupt server and libbsd attempting > to > use interrupts that are no valid for these board and this is causing a > problem? > > Chris Hello Chris, yes the interrupt server uses an pseudo interrupt on _every_ target: https://git.rtems.org/rtems/tree/c/src/lib/libbsp/shared/src/irq-server.c?id=ae359a9df#n31 That has nothing to do with the libbsd. The only connection is that libbsd uses the interrupt server for some interrupt processing. Kind regards Christian -- -------------------------------------------- embedded brains GmbH Christian Mauderer Dornierstr. 4 D-82178 Puchheim Germany email: christian.maude...@embedded-brains.de Phone: +49-89-18 94 741 - 18 Fax: +49-89-18 94 741 - 08 PGP: Public key available on request. Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
