/// <summary>
/// Starts this hardware device.
/// </summary>
/// <returns></returns>
public override DeviceDriverStartStatus Start()
{
DeviceHeadPort.Write8(0xA0);
HAL.Sleep(1000 / 250); // wait 1/250th of a second
if ((StatusPort.Read8() & 0x40) == 0x40)
{
driveInfo[0].Present = true;
}
DeviceHeadPort.Write8(0xB0);
HAL.Sleep(1000 / 250); // wait 1/250th of a second
if ((StatusPort.Read8() & 0x40) == 0x40)
{
driveInfo[1].Present = true;
}
return(DeviceDriverStartStatus.Started);
}
protected void ReadSerial()
{
try {
spinLock.Enter();
if (!IsFIFOFull())
{
while (CanRead())
{
AddToFIFO(RBRBase.Read8());
}
}
}
finally {
spinLock.Exit();
}
}
public void Initialize()
{
spinLock.Enter();
//IdeIRQ = base.CreateIRQHandler (14);
for (int drive = 0; drive < DrivesPerConroller; drive++)
{
driveInfo[drive].Present = false;
driveInfo[drive].MaxLBA = 0;
}
TextMode.Write(base.name);
TextMode.Write(": ");
LBALowPort.Write8(0x88);
if (LBALowPort.Read8() != 0x88)
{
base.deviceStatus = DeviceStatus.NotFound;
TextMode.WriteLine("IDE controller not found at 0x" + ((uint)ioBase).ToString("X"));
return;
}
TextMode.WriteLine("IDE controller found at 0x" + ((uint)ioBase).ToString("X"));
DeviceHeadPort.Write8(0xA0);
Timer.Delay(1000 / 250); // wait 1/250th of a second
if ((StatusPort.Read8() & 0x40) == 0x40)
{
driveInfo[0].Present = true;
}
DeviceHeadPort.Write8(0xB0);
Timer.Delay(1000 / 250); // wait 1/250th of a second
if ((StatusPort.Read8() & 0x40) == 0x40)
{
driveInfo[1].Present = true;
}
for (uint drive = 0; drive < DrivesPerConroller; drive++)
{
if (driveInfo[drive].Present)
{
if (Open(drive))
{
TextMode.Write(base.name);
TextMode.Write(": Disk #");
TextMode.Write((int)drive);
TextMode.Write(" - ", (int)(driveInfo[drive].MaxLBA / 1024 / 2));
TextMode.Write("MB, LBA=", (int)driveInfo[drive].MaxLBA);
TextMode.WriteLine("");
DeviceManager.Add(new DiskDevice(this, drive, false));
}
}
}
base.deviceStatus = DeviceStatus.Online;
}
