Ejemplo n.º 1
0
        // 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);
        }
Ejemplo n.º 2
0
        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));
        }