i386 now has shared IRQ support

Joel Sherrill joel.sherrill at OARcorp.com
Fri Feb 20 20:19:44 UTC 2009


Daron Chabot wrote:
> On Thu, Feb 19, 2009 at 2:23 PM, Joel Sherrill
> <joel.sherrill at oarcorp.com> wrote:
>   
>> Hi,
>>
>> I just committed the modifications required
>> to support shared IRQs on the i386.  This should
>> put the PowerPC and x86 IRQ processing at
>> feature parity.
>>
>> It now looks like there is an opportunity to
>> eliminate some of the shared code across the
>> two ports irq.c files.
>>     
>
> I can confirm that IRQ sharing works with the test-bench below:
>
> pc386 BSP (RTEMS cvs HEAD):
> - 3 GHz P4 with 4 PCI-VME cards (3 of which share IRQ 11, 4th on IRQ
> 9) + one PCI NIC (on IRQ 5), an ADMtek Centaur
> (libchip/network/if_dc.c).
>
>   
Nice.  Did it help you clean up your code any?
> Thanks, Joel!
>
>   
Thank you for testing it.
> -- dc
>   


-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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