public static void DetectDrive(ControllerIdEnum aControllerID, BusPositionEnum aBusPosition)
{
var dev = new ATABlockDevice(aControllerID == ControllerIdEnum.Primary, aControllerID, aBusPosition);
if (dev.Exists)
{
ATABlockDevices.Add(dev);
}
}
/// <summary>
/// Constructor for ATAPI speclevel device.
/// </summary>
/// <param name="parentDevice"></param>
public ATAPI(ATA_PIO parentDevice)
{
device = parentDevice;
this.BusPosition = parentDevice.BusPosition;
this.Primary = parentDevice.ControllerID == ControllerIdEnum.Primary;
mBlockSize = SectorSize;
IO = new Core.IOGroup.ATA(!Primary);
var p = BusPosition == BusPositionEnum.Master;
Ata.AtaDebugger.Send("ATAPI: Primary controller: " + this.Primary + " Bus postion: IsMaster: " + p);
Init();
}
private static void InitAta(ControllerIdEnum aControllerID, BusPositionEnum aBusPosition)
{
var xIO = aControllerID == ControllerIdEnum.Primary ? baseIOGroup.ATA1 : baseIOGroup.ATA2;
var xATA = new BlockDevice();
xATA.Setup(xIO, aControllerID, aBusPosition);
if (xATA.DriveType == SpecLevel.Null)
{
return;
}
if (xATA.DriveType != SpecLevel.ATA)
{
return;
}
DeviceManager.AllDevices.Add(xATA);
}
public ATABlockDevice(bool primary, ControllerIdEnum aControllerId, BusPositionEnum aBusPosition)
{
var xBAR0 = (ushort)(!primary ? 0x0170 : 0x01F0);
var xBAR1 = (ushort)(!primary ? 0x0374 : 0x03F4);
IOControl = (ushort)(xBAR1 + 2);
IOCommand = (ushort)(xBAR0 + 7);
IOData = (ushort)xBAR0;
IOStatus = (ushort)(xBAR0 + 7);
IODeviceSelect = (ushort)(xBAR0 + 6);
IOLBA0 = (ushort)(xBAR0 + 3);
IOLBA1 = (ushort)(xBAR0 + 4);
IOLBA2 = (ushort)(xBAR0 + 5);
IOSectorCount = (ushort)(xBAR0 + 2);
mControllerID = aControllerId;
mBusPosition = aBusPosition;
IOPort.outb(IOControl, 0x02);
DriveType = DiscoverDrive();
if (DriveType == SpecLevel.Null)
{
Exists = false;
return;
}
if (DriveType != SpecLevel.ATA)
{
Exists = false;
return;
}
if (DriveType == SpecLevel.ATA)
{
SendCmd(Cmd.Identify);
}
else
{
SendCmd(Cmd.IdentifyPacket);
}
var xBuff = (ushort *)Heap.alloc(512);
for (int i = 0; i < 256; i++)
{
ushort read = IOPort.inw(IOData);
byte upper = (byte)(read >> 8);
byte lower = (byte)read;
xBuff[i] = (ushort)((lower << 8) | upper);
}
SerialNo = GetString(xBuff, 10, 20);
FirmwareRev = GetString(xBuff, 23, 8);
ModelNo = GetString(xBuff, 27, 40);
DeviceLa = GetString(xBuff, 54, 40);
uint l = 0;
byte *ptr = DeviceLa;
while (*ptr != 0)
{
ptr++;
l++;
}
char[] tmp = new char[l];
for (int i = 0; i < l; i++)
{
tmp[i] = (char)DeviceLa[i];
}
Label = new string(tmp);
BlockCount = ((uint)xBuff[61] << 16 | xBuff[60]) - 1;
LBA48Bit = (xBuff[83] & 0x40) != 0;
if (LBA48Bit)
{
BlockCount = ((ulong)xBuff[102] << 32 | (ulong)xBuff[101] << 16 | (ulong)xBuff[100]) - 1;
}
byte *xMbrData = (byte *)Heap.alloc(512);
ReadBlock(0, 1, xMbrData);
MBR xMBR = new MBR();
xMBR.Setup(this, xMbrData);
PartitionCount = 0;
for (int i = 0; i < xMBR.partitions.Count; i++)
{
ATA.ATAPartitions.Add(xMBR.partitions[i]);
PartitionCount++;
}
}
