func (pcidevice *PciDevice) Attach(vm *platform.Vm, model *Model) error {
// Find our pcibus.
var ok bool
var pcibus *PciBus
for _, device := range model.devices {
pcibus, ok = device.(*PciBus)
if pcibus != nil && ok {
break
}
}
if pcibus == nil {
return PciBusNotFound
}
// Rebuild our capabilities.
pcidevice.RebuildCapabilities()
// FIXME: Everything uses interrupt 1.
// This is gross, but we hard-coded the line to 1
// unless you're using MSI. This really should be
// fixed (if we actually plan on using PCI devices).
pcidevice.Config.Set8(PciConfigOffsetInterruptLine, 1)
pcidevice.Config.Set8(PciConfigOffsetInterruptPin, 1)
pcidevice.std_interrupt = func() error {
vm.Interrupt(platform.Irq(1), true)
vm.Interrupt(platform.Irq(1), false)
return nil
}
// Attach to the PciBus.
return pcibus.AddDevice(pcidevice)
}
