i386 now has shared IRQ support

Daron Chabot daron.chabot at gmail.com
Fri Feb 20 19:54:48 UTC 2009

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

Thanks, Joel!

-- dc

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