private void StartDevice(PCIDeviceDriverRegistryEntry driver, Device device, PCIDevice pciDevice)
{
var ioPortRegions = new List <IOPortRegion>();
var memoryRegions = new List <AddressRegion>();
foreach (var pciBaseAddress in pciDevice.BaseAddresses)
{
if (pciBaseAddress == null || pciBaseAddress.Size == 0)
{
continue;
}
switch (pciBaseAddress.Region)
{
case AddressType.IO: ioPortRegions.Add(new IOPortRegion((ushort)pciBaseAddress.Address, (ushort)pciBaseAddress.Size)); break;
case AddressType.Memory: memoryRegions.Add(new AddressRegion(pciBaseAddress.Address, pciBaseAddress.Size)); break;
default: break;
}
}
//foreach (var ioportregion in ioPortRegions)
//{
// HAL.DebugWriteLine(" I/O: 0x" + ioportregion.BaseIOPort.ToString("X") + " [" + ioportregion.Size.ToString("X") + "]");
//}
//foreach (var memoryregion in memoryRegions)
//{
// HAL.DebugWriteLine(" Memory: 0x" + memoryregion.BaseAddress.ToString("X") + " [" + memoryregion.Size.ToString("X") + "]");
//}
var hardwareResources = new HardwareResources(ioPortRegions, memoryRegions, pciDevice.IRQ);
DeviceService.Initialize(driver, device, driver.AutoStart, null, hardwareResources);
}
protected int GetMatchedPriority(PCIDeviceDriverRegistryEntry driver, PCIDevice pciDevice)
{
bool VendorID = HasFlag(driver.PCIFields, PCIField.VendorID);
bool DeviceID = HasFlag(driver.PCIFields, PCIField.DeviceID);
bool SubSystemID = HasFlag(driver.PCIFields, PCIField.SubSystemID);
bool SubSystemVendorID = HasFlag(driver.PCIFields, PCIField.SubSystemVendorID);
bool ClassCode = HasFlag(driver.PCIFields, PCIField.ClassCode);
bool SubClassCode = HasFlag(driver.PCIFields, PCIField.SubClassCode);
bool ProgIF = HasFlag(driver.PCIFields, PCIField.ProgIF);
bool RevisionID = HasFlag(driver.PCIFields, PCIField.RevisionID);
if (VendorID && DeviceID && ClassCode && SubClassCode && ProgIF && RevisionID)
{
return(1);
}
else if (VendorID && DeviceID && ClassCode && SubClassCode && ProgIF)
{
return(2);
}
else if (VendorID && DeviceID && SubSystemVendorID && SubSystemID && RevisionID)
{
return(3);
}
else if (VendorID && DeviceID && SubSystemVendorID && SubSystemID)
{
return(4);
}
else if (VendorID && DeviceID && RevisionID)
{
return(5);
}
else if (VendorID && DeviceID)
{
return(6);
}
else if (ClassCode && SubClassCode && ProgIF && RevisionID)
{
return(7);
}
else if (ClassCode && SubClassCode && ProgIF)
{
return(8);
}
else if (ClassCode && SubClassCode && RevisionID)
{
return(9);
}
else if (ClassCode && SubClassCode)
{
return(10);
}
return(0);
}
public override void PostEvent(ServiceEvent serviceEvent)
{
//HAL.DebugWriteLine("PCIDeviceService:PostEvent()");
//HAL.Pause();
var device = MatchEvent <PCIDevice>(serviceEvent, ServiceEventType.Start);
if (device == null)
{
return;
}
var pciDevice = device.DeviceDriver as PCIDevice;
// Find the best matching driver
PCIDeviceDriverRegistryEntry matchedDriver = null;
int matchPriorty = 0;
// Start ISA Drivers
var drivers = DeviceService.GetDeviceDrivers(DeviceBusType.PCI);
foreach (var driver in drivers)
{
if (!(driver is PCIDeviceDriverRegistryEntry pciDriver))
{
continue;
}
if (!IsMatch(pciDriver, pciDevice))
{
continue;
}
int priority = GetMatchedPriority(pciDriver, pciDevice);
if (priority <= 0)
{
continue;
}
if (priority < matchPriorty || matchPriorty == 0)
{
matchedDriver = pciDriver;
matchPriorty = priority;
}
}
if (matchedDriver == null)
{
return; // no driver found
}
StartDevice(matchedDriver, device, pciDevice);
}
protected bool IsMatch(PCIDeviceDriverRegistryEntry driver, PCIDevice pciDevice)
{
if (HasFlag(driver.PCIFields, PCIField.VendorID) && driver.VendorID != pciDevice.VendorID)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.DeviceID) && driver.DeviceID != pciDevice.DeviceID)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.SubSystemID) && driver.SubSystemID != pciDevice.SubSystemID)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.SubSystemVendorID) && driver.SubSystemVendorID != pciDevice.SubSystemVendorID)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.ClassCode) && driver.ClassCode != pciDevice.ClassCode)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.SubClassCode) && driver.SubClassCode != pciDevice.SubClassCode)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.ProgIF) && driver.ProgIF != pciDevice.ProgIF)
{
return(false);
}
if (HasFlag(driver.PCIFields, PCIField.RevisionID) && driver.RevisionID != pciDevice.RevisionID)
{
return(false);
}
return(true);
}