On Mon, Jun 16, 2008 at 01:31:21PM +0800, Xu, Anthony wrote:
> >> I think you should avoid any changes to pci.c. Perhaps create a new
> >> ioapic_and_pic_map / ioapic_and_pic_set pair of functions and change
> >> pc.c to use that instead of piix_set_irq.
> > I'll consider how to do this
> >
>
> But pci.c includes below code section, which implements irq_num mapping
> through interrupt link, While ioapic_set_irq doesn't
> need this modification.
> Seems, it's unavoidable to modify pci.c
Just do a dummy mapping function?
int ioapic_pic_map_irq(PCIDevice *dev, int irq_num)
{
return irq_num;
}
> Thanks,
> Anthony
>
>
>
> pci_dev->irq_state[irq_num] = level;
> for (;;) {
> bus = pci_dev->bus;
> irq_num = bus->map_irq(pci_dev, irq_num);
> if (bus->set_irq)
> break;
> pci_dev = bus->parent_dev;
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