public override bool InitServer()
{
System.Diagnostics.Debugger.Log(0, "pci", "hostbridge started with " + root.Count.ToString() + " properties");
/* Extract the resources we have been given */
vmems.Init(root);
pmems.Init(root);
ios.Init(root);
acpiname = GetFirstProperty(root, "acpiname") as string;
acpiconf = ACPIConfiguration.GetConfiguration(root);
foreach (var res in root)
{
if (res.Name == "interrupt" && (res.Value is ACPIInterrupt))
{
var acpi_int = res.Value as ACPIInterrupt;
if (acpi_int.irq != -1)
{
isa_irqs[acpi_int.irq] = acpi_int;
}
}
}
DeviceDB.InitDeviceDB(this);
/* Get CONFIG_DATA and CONFIG_ADDRESS ports */
CONFIG_ADDRESS = ios.AllocFixed(0xcf8, 4);
CONFIG_DATA = ios.AllocFixed(0xcfc, 4);
if (CONFIG_ADDRESS == null)
{
throw new Exception("Unable to obtain CONFIG_ADDRESS");
}
if (CONFIG_DATA == null)
{
throw new Exception("Unable to obtain CONFIG_DATA");
}
/* Get extra details from ACPI if available */
if (acpiname != null && acpiconf.ContainsKey(acpiname))
{
/* Get a list of subdevices */
IList <ACPIName> subdevs = acpiconf[acpiname].GetDevices(1);
foreach (var subdev in subdevs)
{
System.Diagnostics.Debugger.Log(0, "pci", "acpi reported subdevice: " + subdev);
var adr = acpiconf[acpiname].EvaluateObject(subdev + "._ADR", ACPIObject.DataType.Integer);
if (adr != null)
{
System.Diagnostics.Debugger.Log(0, "pci", "on device " + adr.IntegerData.ToString());
acpinames[(int)adr.IntegerData] = subdev;
}
}
/* Evaluate _PRT object */
prts = acpiconf[acpiname].GetPRT();
}
/* Enumerate the devices on this bus */
for (int dev = 0; dev < 32; dev++)
{
CheckDevice(0, dev, 0);
}
root.Add(new tysos.lib.File.Property {
Name = "class", Value = "bus"
});
Tags.Add("class");
return(true);
}
private void CheckDevice(int bus, int dev, int func)
{
uint vendor_devID = ReadConfig(bus, dev, func, 0);
uint vendorID = vendor_devID & 0xffff;
if (vendorID == 0xffff)
{
return;
}
/* Get the basic fields of the device */
uint command_status = ReadConfig(bus, dev, func, 4);
uint revID_progIF_subclass_class = ReadConfig(bus, dev, func, 8);
uint cacheline_latency_ht_bist = ReadConfig(bus, dev, func, 0xc);
/* We have found a valid device */
uint deviceID = vendor_devID >> 16;
uint classcode = (revID_progIF_subclass_class >> 24) & 0xffU;
uint subclasscode = (revID_progIF_subclass_class >> 16) & 0xffU;
uint prog_IF = (revID_progIF_subclass_class >> 8) & 0xffU;
uint revisionID = revID_progIF_subclass_class & 0xffU;
System.Diagnostics.Debugger.Log(0, "pci", bus.ToString() + ":" + dev.ToString() + ":" + func.ToString() + " : " + vendorID.ToString("X4") + ":" + deviceID.ToString("X4") + " " + classcode.ToString("X2") + ":" + subclasscode.ToString("X2") + ":" + prog_IF.ToString("X2"));
DeviceDBEntry details = DeviceDB.GetDeviceDetails(new DeviceDBKey
{
VendorID = vendorID,
DeviceID = deviceID,
RevisionID = revisionID,
ClassCode = classcode,
SubclassCode = subclasscode,
ProgIF = prog_IF
});
if (details == null)
{
System.Diagnostics.Debugger.Log(0, "pci", "unknown device");
}
else
{
System.Diagnostics.Debugger.Log(0, "pci", details.ToString());
if (details.DriverName != null)
{
/* Build a device node */
List <tysos.lib.File.Property> props = new List <tysos.lib.File.Property>();
props.Add(new tysos.lib.File.Property {
Name = "driver", Value = details.DriverName
});
if (details.SubdriverName != null)
{
props.Add(new tysos.lib.File.Property {
Name = "subdriver", Value = details.SubdriverName
});
}
if (details.HumanDeviceName != null)
{
props.Add(new tysos.lib.File.Property {
Name = "name", Value = details.HumanDeviceName
});
}
if (details.HumanManufacturerName != null)
{
props.Add(new tysos.lib.File.Property {
Name = "manufacturer", Value = details.HumanManufacturerName
});
}
PCIConfiguration conf = new PCIConfiguration(CONFIG_ADDRESS,
CONFIG_DATA, bus, dev, func, this, details.BAROverrides);
props.Add(new tysos.lib.File.Property {
Name = "pciconf", Value = conf
});
if (details.ExtraResources != null)
{
foreach (var res in details.ExtraResources)
{
if (res is tysos.Resources.InterruptLine)
{
props.Add(new tysos.lib.File.Property {
Name = "interrupt", Value = res
});
}
else if (res is tysos.PhysicalMemoryResource64)
{
props.Add(new tysos.lib.File.Property {
Name = "pmem", Value = res
});
}
else if (res is tysos.VirtualMemoryResource64)
{
props.Add(new tysos.lib.File.Property {
Name = "vmem", Value = res
});
}
else if (res is tysos.x86_64.IOResource)
{
props.Add(new tysos.lib.File.Property {
Name = "io", Value = res
});
}
}
}
/* Is the device enumerated in ACPI too? */
int dev_acpi = dev << 16 | func;
int dev_acpi_all = dev << 16 | 0xffff;
if (acpinames.ContainsKey(dev_acpi))
{
props.Add(new tysos.lib.File.Property {
Name = "acpiname", Value = acpinames[dev_acpi]
});
}
if (acpinames.ContainsKey(dev_acpi_all))
{
props.Add(new tysos.lib.File.Property {
Name = "acpiname", Value = acpinames[dev_acpi_all]
});
}
// Get interrupt pin number
uint conf_3c = conf.ReadConfig(0x3c);
uint pin = (conf_3c >> 8) & 0xffU;
if (pin != 0)
{
int int_pin = (int)(pin - 1);
if (prts.ContainsKey(dev_acpi))
{
props.Add(new tysos.lib.File.Property {
Name = "interrupt", Value = prts[dev_acpi][int_pin]
});
}
if (prts.ContainsKey(dev_acpi_all))
{
props.Add(new tysos.lib.File.Property {
Name = "interrupt", Value = prts[dev_acpi_all][int_pin]
});
}
}
/* Generate a unique name for the device */
int dev_no = 0;
StringBuilder sb = new StringBuilder(details.DriverName);
if (details.SubdriverName != null)
{
sb.Append("_");
sb.Append(details.SubdriverName);
}
string base_dev = sb.ToString();
if (next_device_id.ContainsKey(base_dev))
{
dev_no = next_device_id[base_dev];
}
sb.Append("_");
sb.Append(dev_no.ToString());
next_device_id[base_dev] = dev_no + 1;
string dev_name = sb.ToString();
children[dev_name] = props;
foreach (var prop in props)
{
System.Diagnostics.Debugger.Log(0, "pci", " " + prop.Name + ": " + prop.Value.ToString());
}
}
}
/* If header type == 0x80, it is a multifunction device */
uint header_type = (cacheline_latency_ht_bist >> 16) & 0xffU;
if (header_type == 0x80 && func == 0)
{
for (int subfunc = 1; subfunc < 8; subfunc++)
{
CheckDevice(bus, dev, subfunc);
}
}
}