pc386 shared interrupts
Joel Sherrill
joel.sherrill at OARcorp.com
Sun Nov 30 23:20:59 UTC 2008
Michael South wrote:
> Should i386ex and ts_386ex also be migrated to shared interrupts, or
> just pc386?
>
It would be better if all were updated. But.....
I am pretty sure neither BSP has had a real update in years and
it is possible that they could be removed. I didn't look to confirm
this though and it would require a specific post to the mailing
list asking for any users.
I am pretty sure the i386ex is no longer recommended for new designs
and may not be available at all anymore.
With that said, if the pc386 got updated and tested, I would be very
happy. If the others got updated and compiled, I would be happy.
--joel
> Mike
>
> On Wed, 2008-11-26 at 08:40 -0800, Till Straumann wrote:
>
>> Sebastian Huber wrote:
>>
>>> Till Straumann wrote:
>>>
>>>
>>>> Joel Sherrill wrote:
>>>>
>>>>
>>> [...]
>>>
>>>
>>>>> Till.. we missed getting your ported drivers into 4.9. Can we
>>>>> take a stab at merging them now?
>>>>> It will likely be easier for someone to at least update to the
>>>>> latest from there.
>>>>>
>>>>>
>>>> The show-stopper was (and AFAIK still is) that the pc386 interrupt
>>>> dispatcher still doesn't
>>>> support shared interrupts. Someone would have to upgrade the pc386
>>>> code first (can't be that hard; maybe ppc and 386 can be merged into
>>>> a single more generic piece implementing most of <rtems/irq.h>
>>>> and <rtems/irq-extensions.h>
>>>>
>>>>
>>> [...]
>>>
>>> It should be quite easy to use the generic interrupt framework in
>>>
>>> c/src/lib/libbsp/shared/include/irq-config.h
>>> c/src/lib/libbsp/shared/include/irq-generic.h
>>> c/src/lib/libbsp/shared/src/irq-generic.c
>>> c/src/lib/libbsp/shared/src/irq-legacy.c
>>>
>>>
>>>
>> Sure - but someone has to do it ;-)
>>
>>> Example BSPs that use this framework:
>>>
>>> c/src/lib/libbsp/arm/lpc24xx
>>> c/src/lib/libbsp/powerpc/gen83xx
>>>
>>>
>>>
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>>
--
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill at OARcorp.com On-Line Applications Research
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