public PATABase(ATAIOPorts anIO, ATA.ControllerID aControllerId, ATA.BusPosition aBusPosition)
{
IO = anIO;
controllerId = aControllerId;
busPosition = aBusPosition;
// Disable IRQs, we use polling currently
SelectDrive(0, false);
IO.Control.Write_Byte((byte)0x02);
mDriveType = DiscoverDrive();
if (mDriveType == SpecLevel.PATAPI)
{
blockSize = 2048;
}
if (mDriveType == SpecLevel.PATA ||
mDriveType == SpecLevel.PATAPI)
{
InitDrive();
initialised = true;
}
}
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();
}
}
public PATABase(ATAIOPorts anIO, ATA.ControllerID aControllerId, ATA.BusPosition aBusPosition)
{
IO = anIO;
controllerId = aControllerId;
busPosition = aBusPosition;
// Disable IRQs, we use polling currently
SelectDrive(0, false);
IO.Control.Write_Byte((byte)0x02);
mDriveType = DiscoverDrive();
if (mDriveType == SpecLevel.PATAPI)
{
blockSize = 2048;
}
if (mDriveType == SpecLevel.PATA ||
mDriveType == SpecLevel.PATAPI)
{
InitDrive();
initialised = true;
}
}
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();
}
}
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++;
}
}
