// return an IoRange array filled with all of the fixed resources that
// this assembly requested in its manifest
private unsafe static IoRange[] GetFixedIoResources()
{
uint rangeCount = DeviceService.GetFixedIoRangeCount();
Tracing.Log(Tracing.Debug, "I/O Ranges: {0}", rangeCount);
IoRange[] ranges = new IoRange[rangeCount];
for (uint range = 0; range < rangeCount; range++)
{
ushort port, size;
bool readable, writable;
byte * dataAddr;
uint dataSize;
byte irq, irqSize;
byte dma, dmaSize;
if (DeviceService.GetFixedIoPortRange(range, out port,
out size, out readable,
out writable))
{
Tracing.Log(Tracing.Debug, "{0:d4}. I/O Port: port={1:x4}" +
"[{2:x}] read={3} write={4}",
range, port, size,
(UIntPtr)(readable ? 1 : 0),
(UIntPtr)(writable ? 1 : 0));
ranges[range] = new IoPortRange(port, size, readable,
writable);
}
else if (DeviceService.GetFixedIoMemoryRange(range,
out dataAddr,
out dataSize,
out readable,
out writable))
{
UIntPtr addr = (UIntPtr)dataAddr;
Tracing.Log(Tracing.Debug, "{0:d4}. Memory: addr={1:x8}" +
"[2:x] read={3} write={4}",
range, addr, dataSize,
(UIntPtr)(readable ? 1 : 0),
(UIntPtr)(writable ? 1 : 0));
ranges[range] = new IoMemoryRange(addr, dataSize, readable,
writable);
}
else if (DeviceService.GetFixedIoIrqRange(range, out irq,
out irqSize))
{
Tracing.Log(Tracing.Debug,
"{0:d4}. Irq: irq={1:x2}[{2:x}]",
range, irq, irqSize);
ranges[range] = new IoIrqRange(irq, irqSize);
}
else if (DeviceService.GetFixedIoDmaRange(range, out dma,
out dmaSize))
{
Tracing.Log(Tracing.Debug,
"{0:d4}. Dma: dma={1:x2}[{2:x}]",
range, dma, dmaSize);
ranges[range] = new IoDmaRange(dma, dmaSize);
}
else
{
Tracing.Log(Tracing.Debug, "{0:d4}. Empty", range);
}
}
return(ranges);
}
public static unsafe IoConfig GetConfig()
{
// first get the device signature
ArrayList idlist = new ArrayList();
char[] idbuffer = new char[0x80];
for (int i = 0;; i++)
{
int len = (int)DeviceService.GetPnpSignature(i, null, 0);
if (len == 0)
{
break;
}
if (len > idbuffer.Length)
{
idbuffer = new char[len];
fixed(char *idbuffer_pinned = &idbuffer[0])
{
len = (int)DeviceService.GetPnpSignature(i, idbuffer_pinned, (uint)idbuffer.Length);
}
if (len == 0)
break; }
string id = new String(idbuffer, 0, len);
idlist.Add(id);
Tracing.Log(Tracing.Debug, "PNP Signature: [{0}]", id);
}
string[] ids = (string[])idlist.ToArray(typeof(string));
#if false
string id = null;
char[] sigArray = new char[DeviceService.GetPnpSignature(null, 0)];
fixed(char *sigPtr = &sigArray[0])
{
int len = (int)DeviceService.GetPnpSignature(
sigPtr, (uint)sigArray.Length);
id = String.StringCTOR(sigPtr, 0, len);
}
#endif
// now get the fixed resources
IoRange[] fixedRanges = GetFixedIoResources();
// now determine if this is a PCI bus, and if so, configure it as
// such
PciPortHandle pciPortHandle = new PciPortHandle();
if (DeviceService.GetPciPort(out pciPortHandle))
{
PciPort port = new PciPort(pciPortHandle);
return(PciConfig.Create(ids, port, fixedRanges));
}
else
{
Tracing.Log(Tracing.Debug, "PCI Config: None.");
}
// it isn't a PCI device, so create a PnpConfig object
// TODO: We should really copy all of the ranges, so that
// we can augment even PCI devices (like VGA cards).
uint rangeCount = DeviceService.GetDynamicIoRangeCount();
Tracing.Log(Tracing.Debug, "I/O Ranges: {0}", rangeCount);
IoRange[] dynamicRanges = new IoRange[rangeCount];
for (uint range = 0; range < rangeCount; range++)
{
ushort port;
ushort size;
bool readable;
bool writable;
byte * dataAddr;
uint dataSize;
byte irq;
byte irqSize;
byte dma;
byte dmaSize;
if (DeviceService.GetDynamicIoPortRange(range, out port,
out size, out readable,
out writable))
{
Tracing.Log(Tracing.Debug, "{0:d4}. I/O Port: port={1:x4}" +
"[{2:x}] read={3} write={4}",
range, port, size,
(UIntPtr)(readable ? 1 : 0),
(UIntPtr)(writable ? 1 : 0));
dynamicRanges[range] = new IoPortRange(port, size, readable,
writable);
}
else if (DeviceService.GetDynamicIoMemoryRange(range,
out dataAddr,
out dataSize,
out readable,
out writable))
{
UIntPtr addr = (UIntPtr)dataAddr;
Tracing.Log(Tracing.Debug, "{0:d4}. Memory: addr={1:x8}" +
"[2:x] read={3} write={4}",
range, addr, dataSize,
(UIntPtr)(readable ? 1 : 0),
(UIntPtr)(writable ? 1 : 0));
dynamicRanges[range] = new IoMemoryRange(addr, dataSize,
readable,
writable);
}
else if (DeviceService.GetDynamicIoIrqRange(range, out irq,
out irqSize))
{
Tracing.Log(Tracing.Debug, "{0:d4}. Irq: irq={1:x2}" +
"[{2:x}]", range, irq, irqSize);
dynamicRanges[range] = new IoIrqRange(irq, irqSize);
}
else if (DeviceService.GetDynamicIoDmaRange(range, out dma,
out dmaSize))
{
Tracing.Log(Tracing.Debug, "{0:d4}. Dma: dma={1:x2}" +
"[{2:x}]", range, dma, dmaSize);
dynamicRanges[range] = new IoDmaRange(dma, dmaSize);
}
else
{
Tracing.Log(Tracing.Debug, "{0:d4}. Empty", range);
}
}
return(new PnpConfig(ids, dynamicRanges, fixedRanges));
}