コード例 #1
0
ファイル: VT6102.cs プロジェクト: Orvid/Cosmos
        public VT6102(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get VIA Rhine-II card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ10 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = pciCard.GetAddressSpace(0) as Kernel.IOAddressSpace;

            // Enable the card
            pciCard.EnableDevice();

            // Get the EEPROM MAC Address and set it as the devices MAC
            byte[] eeprom_mac = new byte[6];
            UInt32 result = io.Read32(0x00);
            eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
            eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
            eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
            result = io.Read32(0x04);
            eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);

            mac = new MACAddress(eeprom_mac);

            // Software Reset device
            SoftwareReset();

            // Configure Receive Config
            ReceiveConfigRegister = 0x1C;
            // Configure Transmit Config
            TransmitConfigRegister = 0x04;

            // Setup RX Descriptors
            mRxDescriptors = new ManagedMemorySpace(256, 16);

            // Setup TX Descriptors
            mTxDescriptors = new ManagedMemorySpace(256, 16);

            /* Initialize the RX and TX buffers, and set up the RX  descriptors to point
               to the buffers. Also, mark the RX descriptors as being owned by the card so data 
               can be received in them */
            mRxBuffers = new List<ManagedMemorySpace>();
            for (uint rxd = 0; rxd < 16; rxd++)
            {
                uint xOffset = rxd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mRxDescriptors.Write32(xOffset + 12, mRxDescriptors.Offset + xOffset + 16);
                mRxDescriptors.Write32(xOffset + 8, buffer.Offset);
                mRxDescriptors.Write32(xOffset + 4, buffer.Size);
                mRxDescriptors.Write32(xOffset, 0x80000000);
                mRxBuffers.Add(buffer);
            }
            mRxDescriptors.Write32(252, mRxDescriptors.Offset);
            for (uint txd = 0; txd < 16; txd++)
            {
                uint xOffset = txd * 16;

                mTxDescriptors.Write32(xOffset + 12, mTxDescriptors.Offset + xOffset + 16);
                mTxDescriptors.Write32(xOffset + 8, 0);
                mTxDescriptors.Write32(xOffset + 4, 0);
                mTxDescriptors.Write32(xOffset, 0);
            }
            mTxDescriptors.Write32(252, mTxDescriptors.Offset);

            mNextTXDesc = 0;

            RxDescAddressRegister = mRxDescriptors.Offset;
            TxDescAddressRegister = mTxDescriptors.Offset;

            // Setup and clear interrupts
            IntMaskRegister = 0xFFFF;
            IntStatusRegister = 0xFFFF;

            // Setup our Receive and Transmit Queues
            mTransmitBuffer = new Queue<byte[]>();
            mRecvBuffer = new Queue<byte[]>();
        }
コード例 #2
0
ファイル: AMDPCNet.cs プロジェクト: ChrisJamesSadler/Cosmos
        // Initialize a new instance of the AMD PCNet device driver
        public AMDPCNet(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get AMD PCNet card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ09 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = (Kernel.IOAddressSpace)pciCard.GetAddressSpace(0);
            // Enable the card
            pciCard.EnableDevice();
            // Set the device into 32-bit mode
            io.Write32(0x10, 0);

            // Get the EEPROM MAC Address and set it as the devices MAC
            byte[] eeprom_mac = new byte[6];
            UInt32 result = io.Read32(0x00);
            eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
            eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
            eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
            result = io.Read32(0x04);
            eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);

            mac = new MACAddress(eeprom_mac);

            // Allocate 32 bytes for the 28 byte Initialization block that has to be aligned to a 4 byte boundary
            //UInt32 address = Heap.MemAlloc(0x20);
            //mInitBlock = new ManagedUInt32Array(7); // 7 UInt32's, aligned on a 4byte boundary
            mInitBlock = new ManagedMemorySpace(28, 4);
            /*Console.Write("Allocated 32 bytes for initialization block @ 0x" + address.ToHex(8));
            Console.WriteLine("(Aligned to 0x" + aligned_address.ToHex(8) + ")");*/

            // Allocate 80 uints for the 16 RX and TX Descriptor rings. These addresses have to be aligned on a 16-byte boundary
            mTxDescriptor = new ManagedMemorySpace(256, 16);
            mRxDescriptor = new ManagedMemorySpace(256, 16);
            /*Console.Write("Allocated 320 bytes for RX ring descriptors @ 0x" + rd_address.ToHex(8));
            Console.WriteLine("(Aligned to 0x" + mRxDescriptorAddress.ToHex(8) + ")");
            Console.Write("Allocated 320 bytes for TX ring descriptors @ 0x" + tx_address.ToHex(8));
            Console.WriteLine("(Aligned to 0x" + mTxDescriptorAddress.ToHex(8) + ")");*/

            // Fill in the Initialization block
            mInitBlock.Write32(0x00, (0x4 << 28) | (0x4 << 20));
            mInitBlock.Write32(0x04, (uint)(eeprom_mac[0] | (eeprom_mac[1] << 8) | (eeprom_mac[2] << 16) | (eeprom_mac[3] << 24)));
            mInitBlock.Write32(0x08, (uint)(eeprom_mac[4] | (eeprom_mac[5] << 8)));
            mInitBlock.Write32(0x0C, 0x0);
            mInitBlock.Write32(0x10, 0x0);
            mInitBlock.Write32(0x14, mRxDescriptor.Offset);
            mInitBlock.Write32(0x18, mTxDescriptor.Offset);

            // Write the Initialization blocks address to the registers on the card
            InitializationBlockAddress = mInitBlock.Offset;
            // Set the device to PCNet-PCI II Controller mode (full 32-bit mode)
            SoftwareStyleRegister = 0x03;

            /* Initialize the RX and TX buffers, and set up the RX and TX descriptors to point
               to the buffers. Also, mark the RX descriptors as being owned by the card so data 
               can be received in them */
            mRxBuffers = new List<ManagedMemorySpace>();
            mTxBuffers = new List<ManagedMemorySpace>();
            for (uint rxd = 0; rxd < 16; rxd++)
            {
                uint xOffset = rxd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mRxDescriptor.Write32(xOffset + 8, buffer.Offset);
                UInt16 buffer_len = (UInt16)(~buffer.Size);
                buffer_len++;
                UInt32 flags = (UInt32)(buffer_len & 0x0FFF) | 0xF000 | 0x80000000;
                mRxDescriptor.Write32(xOffset + 4, flags);
                mRxBuffers.Add(buffer);
            }
            for (uint txd = 0; txd < 16; txd++)
            {
                uint xOffset = txd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mTxDescriptor.Write32(xOffset + 8, buffer.Offset);
                mTxBuffers.Add(buffer);
            }

            // Set TX Descriptor 0 as the first one to use... Increment this when we use one to use them in a circular fashion
            mNextTXDesc = 0;

            // Setup our Receive and Transmit Queues
            mTransmitBuffer = new Queue<byte[]>();
            mRecvBuffer = new Queue<byte[]>();
        }