Aaru/DiscImageChef.Tests.Devices/DecodeATARegisters.cs

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : DecodeATARegisters.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : DiscImageChef device testing.
//
// --[ License ] --------------------------------------------------------------
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/

using System;
using System.Text;
using DiscImageChef.Decoders.ATA;

namespace DiscImageChef.Tests.Devices
{
    partial class MainClass
    {
        static string DecodeAtaStatus(byte status)
        {
            string ret = "";

            if((status & 0x80) == 0x80) ret += "BSY ";
            if((status & 0x40) == 0x40) ret += "DRDY ";
            if((status & 0x20) == 0x20) ret += "DWF ";
            if((status & 0x10) == 0x10) ret += "DSC ";
            if((status & 0x8) == 0x8) ret += "DRQ ";
            if((status & 0x4) == 0x4) ret += "CORR ";
            if((status & 0x2) == 0x2) ret += "IDX ";
            if((status & 0x1) == 0x1) ret += "ERR ";

            return ret;
        }

        static string DecodeAtaError(byte status)
        {
            string ret = "";

            if((status & 0x80) == 0x80) ret += "BBK ";
            if((status & 0x40) == 0x40) ret += "UNC ";
            if((status & 0x20) == 0x20) ret += "MC ";
            if((status & 0x10) == 0x10) ret += "IDNF ";
            if((status & 0x8) == 0x8) ret += "MCR ";
            if((status & 0x4) == 0x4) ret += "ABRT ";
            if((status & 0x2) == 0x2) ret += "TK0NF ";
            if((status & 0x1) == 0x1) ret += "AMNF ";

            return ret;
        }

        public static string DecodeAtaRegisters(AtaErrorRegistersChs registers)
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("Status: {0}", DecodeAtaStatus(registers.Status)).AppendLine();
            sb.AppendFormat("Error: {0}", DecodeAtaStatus(registers.Error)).AppendLine();
            sb.AppendFormat("Device: {0}", (registers.DeviceHead >> 4) & 0x01).AppendLine();
            sb.AppendFormat("Cylinder: {0}", registers.CylinderHigh << (8 + registers.CylinderLow)).AppendLine();
            sb.AppendFormat("Head: {0}", registers.DeviceHead & 0xF).AppendLine();
            sb.AppendFormat("Sector: {0}", registers.Sector).AppendLine();
            sb.AppendFormat("Count: {0}", registers.SectorCount).AppendLine();
            sb.AppendFormat("LBA?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x40)).AppendLine();
            sb.AppendFormat("Bit 7 set?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x80)).AppendLine();
            sb.AppendFormat("Bit 5 set?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x20)).AppendLine();
            return sb.ToString();
        }

        public static string DecodeAtaRegisters(AtaErrorRegistersLba28 registers)
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("Status: {0}", DecodeAtaStatus(registers.Status)).AppendLine();
            sb.AppendFormat("Error: {0}", DecodeAtaStatus(registers.Error)).AppendLine();
            sb.AppendFormat("Device: {0}", (registers.DeviceHead >> 4) & 0x01).AppendLine();
            sb.AppendFormat("LBA: {0}",
                            ((registers.DeviceHead & 0xF) << 24) + (registers.LbaHigh << 16) + (registers.LbaMid << 8) +
                            registers.LbaLow);
            sb.AppendFormat("Count: {0}", registers.SectorCount).AppendLine();
            sb.AppendFormat("LBA?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x40)).AppendLine();
            sb.AppendFormat("Bit 7 set?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x80)).AppendLine();
            sb.AppendFormat("Bit 5 set?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x20)).AppendLine();
            return sb.ToString();
        }

        public static string DecodeAtaRegisters(AtaErrorRegistersLba48 registers)
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("Status: {0}", DecodeAtaStatus(registers.Status)).AppendLine();
            sb.AppendFormat("Error: {0}", DecodeAtaStatus(registers.Error)).AppendLine();
            sb.AppendFormat("Device: {0}", (registers.DeviceHead >> 4) & 0x01).AppendLine();
            sb.AppendFormat("LBA: {0}",
                            (ulong)(registers.DeviceHead & 0xF) * 0x100000000000 +
                            registers.LbaHigh * (ulong)0x100000000L + (ulong)(registers.LbaMid << 16) +
                            registers.LbaLow);
            sb.AppendFormat("Count: {0}", registers.SectorCount).AppendLine();
            sb.AppendFormat("LBA?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x40)).AppendLine();
            sb.AppendFormat("Bit 7 set?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x80)).AppendLine();
            sb.AppendFormat("Bit 5 set?: {0}", Convert.ToBoolean(registers.DeviceHead & 0x20)).AppendLine();
            return sb.ToString();
        }
    }
}