/// <summary>
/// Copy ManagedMemoryBlock into MemoryBlock
/// </summary>
/// <param name="block">ManagedMemoryBlock to copy.</param>
public unsafe void Copy(ManagedMemoryBlock block)
{
byte *xDest = (byte *)(Base);
byte *aDataPtr = (byte *)block.Offset;
MemoryOperations.Copy(xDest, aDataPtr, (int)block.Size);
}
public AMDPCNetII(PCIDeviceNormal device)
: base()
{
if (device == null)
{
throw new ArgumentException("PCI Device is null. Unable to get AMD PCNet card");
}
this.pciCard = device;
this.pciCard.Claimed = true;
this.pciCard.EnableDevice();
this.io = new AMDPCNetIIIOGroup((ushort)this.pciCard.BaseAddresses[0].BaseAddress());
this.io.RegisterData.DWord = 0;
// Get the EEPROM MAC Address and set it as the devices MAC
byte[] eeprom_mac = new byte[6];
UInt32 result = io.MAC1.DWord;
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.MAC2.DWord;
eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);
mac = new MACAddress(eeprom_mac);
mInitBlock = new ManagedMemoryBlock(28, 4);
mRxDescriptor = new ManagedMemoryBlock(256, 16);
mTxDescriptor = new ManagedMemoryBlock(256, 16);
mInitBlock.Write32(0x00, (0x4 << 28) | (0x4 << 20));
mInitBlock.Write32(0x04, (UInt32)(eeprom_mac[0] | (eeprom_mac[1] << 8) | (eeprom_mac[2] << 16) | (eeprom_mac[3] << 24)));
mInitBlock.Write32(0x08, (UInt32)(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);
InitializationBlockAddress = mInitBlock.Offset;
SoftwareStyleRegister = 0x03;
mRxBuffers = new List<ManagedMemoryBlock>();
mTxBuffers = new List<ManagedMemoryBlock>();
for (uint rxd = 0; rxd < 16; rxd++)
{
uint xOffset = rxd * 16;
ManagedMemoryBlock buffer = new ManagedMemoryBlock(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;
ManagedMemoryBlock buffer = new ManagedMemoryBlock(2048);
mTxDescriptor.Write32(xOffset + 8, buffer.Offset);
mTxBuffers.Add(buffer);
}
mNextTXDesc = 0;
// Setup our Receive and Transmit Queues
mTransmitBuffer = new Queue<byte[]>();
mRecvBuffer = new Queue<byte[]>();
INTs.SetIrqHandler(device.InterruptLine, HandleNetworkInterrupt);
}
