private static unsafe void initHandler(PciDevice dev)
{
buffer = new byte[2048];
m_dev = dev;
m_io_base = (ushort)(dev.BAR0.Address);
Pci.EnableBusMastering(dev);
Pci.EnableIOSpace(dev);
/**
* Read current mac
*/
ReadMac();
/**
* Do a software reset because we want 32bitjes :)
*/
SoftwareReset();
writeCSR(0, 0x04);
/**
* Initalize buffers
*/
InitBuffers();
InitCard();
/**
* Set interrupt
*/
Pci.SetInterruptHandler(dev, handler);
// Enable card
writeCSR(0, 0x41);
writeCSR(4, 0x4C00 | readCSR(4));
writeCSR(0, 0x42);
/**
* Register device as the main network device
*/
Network.NetDevice netDev = new Network.NetDevice();
netDev.ID = dev.Device;
netDev.Transmit = Transmit;
netDev.GetMac = GetMac;
Network.Set(netDev);
}
/// <summary>
/// PCI init handler
/// </summary>
/// <param name="dev"></param>
private static unsafe void initHandler(PciDevice dev)
{
m_register_base = (uint)dev.BAR0.Address;
m_flash_base = (uint)dev.BAR1.Address;
/**
* Check if there is a memory bar
*/
if ((dev.BAR0.flags & Pci.BAR_IO) > 0)
{
Console.WriteLine("[E1000] Device not MMIO!");
return;
}
m_packetBuffer = new byte[9500];
/**
* Enable bus mastering
*/
Pci.EnableBusMastering(dev);
/**
* Map device
*/
m_register_base = (uint)Paging.MapToVirtual(Paging.KernelDirectory, (int)m_register_base, 20 * 0x1000, Paging.PageFlags.Writable | Paging.PageFlags.Present);
Pci.SetInterruptHandler(dev, handler);
readMac();
start();
/**
* Waiting for link to go up
*/
Console.WriteLine("[E1000] Waiting for link to go up....");
while (m_linkup == 0)
{
CPU.HLT();
}
/**
* Register device as the main network device
*/
Network.NetDevice netDev = new Network.NetDevice();
netDev.ID = dev.Device;
netDev.Transmit = Transmit;
netDev.GetMac = GetMac;
Network.Set(netDev);
}
/// <summary>
/// Initialization handler
/// </summary>
/// <param name="dev">This PCI device</param>
private static unsafe void initHandler(PciDevice dev)
{
m_io_base = (ushort)(dev.BAR0.Address);
/**
* Check if I/O bar
*/
if ((dev.BAR0.flags & Pci.BAR_IO) == 0)
{
Console.WriteLine("[RTL8139] RTL8139 should be an I/O bar, not a memory bar!");
return;
}
/**
* Set interrupt
*/
Pci.SetInterruptHandler(dev, handler);
/**
* Enable bus mastering
*/
Pci.EnableBusMastering(dev);
/**
* Enable device
*/
PortIO.Out8((ushort)(m_io_base + REG_CONF1), 0);
/**
* Do a software reset
*/
softwareReset();
/**
* Initalize and allocate buffers
*/
initializeBuffers();
/**
* Setup interrupts
*/
setInterruptMask(IMR_TOK | IMR_TER | IMR_ROK | IMR_RER);
/**
* Initalize transmit
*/
txInit();
/**
* Initalize receive
*/
rxInit();
/**
* Read mac address
*/
readMac();
/**
* Update link status
*/
updateLinkStatus();
/**
* Enable receiving and transmitting!
*/
PortIO.Out8((ushort)(m_io_base + REG_CMD), CMD_TE | CMD_RE);
Console.WriteLine("[RTL8139] Initialized");
/**
* Register device as the main network device
*/
Network.NetDevice netDev = new Network.NetDevice();
netDev.ID = dev.Device;
netDev.Transmit = Transmit;
netDev.GetMac = GetMac;
Network.Set(netDev);
}
