On Tue, Nov 10, 2009 at 6:41 AM, Alexander Polakov <polachok@gmail.com> wrote:
> 2009/11/9, Matthew Dillon <dillon@apollo.backplane.com>:
>> Great work! I have a question: How close are we to actually
>> being able to route interrupts in APIC_IO mode using ACPI?
>
> I don't understand completely how apic code in kernel works yet. ACPI
> & PCI are ready. I'm now reading freebsd's and our implementation,
> never worked before on such low level.
>
If you are going to do it, I think the first step will be supporting
256 intr vectors. And the major work will concern how to properly
handle gd_fpending. I was thinking about splitting it into two parts,
one gd_fpending_group (uint8_t should be enough), and one
gd_fpenfing[8] (uint32_t mask array), but never find time to do it...
Best Regards,
sephe
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