private static void InitAta(Ata.ControllerIdEnum aControllerID,
Ata.BusPositionEnum aBusPosition)
{
var xIO = aControllerID == Ata.ControllerIdEnum.Primary
? Core.Global.BaseIOGroups.ATA1
: Core.Global.BaseIOGroups.ATA2;
var xATA = new AtaPio(xIO, aControllerID, aBusPosition);
if (xATA.DriveType == AtaPio.SpecLevel.Null)
{
return;
}
if (xATA.DriveType == AtaPio.SpecLevel.ATA)
{
BlockDevice.BlockDevice.Devices.Add(xATA);
Ata.AtaDebugger.Send("ATA device with speclevel ATA found.");
}
else
{
//Ata.AtaDebugger.Send("ATA device with spec level " + (int)xATA.DriveType +
// " found, which is not supported!");
return;
}
var xMbrData = new byte[512];
xATA.ReadBlock(0UL, 1U, xMbrData);
var xMBR = new MBR(xMbrData);
if (xMBR.EBRLocation != 0)
{
//EBR Detected
var xEbrData = new byte[512];
xATA.ReadBlock(xMBR.EBRLocation, 1U, xEbrData);
var xEBR = new EBR(xEbrData);
for (int i = 0; i < xEBR.Partitions.Count; i++)
{
//var xPart = xEBR.Partitions[i];
//var xPartDevice = new BlockDevice.Partition(xATA, xPart.StartSector, xPart.SectorCount);
//BlockDevice.BlockDevice.Devices.Add(xPartDevice);
}
}
// TODO Change this to foreach when foreach is supported
Ata.AtaDebugger.Send("Number of MBR partitions found:");
Ata.AtaDebugger.SendNumber(xMBR.Partitions.Count);
for (int i = 0; i < xMBR.Partitions.Count; i++)
{
var xPart = xMBR.Partitions[i];
if (xPart == null)
{
Console.WriteLine("Null partition found at idx: " + i);
}
else
{
var xPartDevice = new Partition(xATA, xPart.StartSector, xPart.SectorCount);
BlockDevice.BlockDevice.Devices.Add(xPartDevice);
Console.WriteLine("Found partition at idx" + i);
}
}
}
public AtaPio(Core.IOGroup.ATA aIO, Ata.ControllerIdEnum aControllerId, Ata.BusPositionEnum aBusPosition)
{
IO = aIO;
mControllerID = aControllerId;
mBusPosition = aBusPosition;
// Disable IRQs, we use polling currently
IO.Control.Byte = 0x02;
mDriveType = DiscoverDrive();
if (mDriveType != SpecLevel.Null)
{
InitDrive();
}
}
