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: " + 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); } } }
/// <summary> /// Processes a valid master boot record to initialize its partitions. /// </summary> /// <param name="anMBR">The MBR to process.</param> /// <param name="aDiskDevice">The disk device from which the MBR was read.</param> private static void ProcessMBR(MBR anMBR, DiskDevice aDiskDevice) { for (int i = 0; i < anMBR.NumPartitions; i++) { MBR.PartitionInfo aPartInfo = anMBR.Partitions[i]; if (aPartInfo.EBRLocation != 0) { byte[] EBRData = new byte[512]; aDiskDevice.ReadBlock(aPartInfo.EBRLocation, 1U, EBRData); EBR newEBR = new EBR(EBRData); ProcessMBR(newEBR, aDiskDevice); } else { Partitions.Add(new Partition(aDiskDevice, aPartInfo.StartSector, aPartInfo.SectorCount)); } } }