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ata works completely now

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This commit is contained in:
mterwoord_cp 2008-03-08 10:16:23 +00:00
parent 61f6cd1e8b
commit e418dc4251
2 changed files with 40 additions and 11 deletions
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36
source/Cosmos/Cosmos.Hardware/New/Storage/ATA.cs
View file

@ -217,7 +217,41 @@ namespace Cosmos.Hardware.New.Storage {
}
public override void WriteBlock(ulong aBlock, byte[] aContents) {
throw new NotImplementedException();
uint xSleepCount = Timeout;
while (((IOReadByte(mController_Command) & 0x80) == 0x80) && xSleepCount > 0) {
mSleep(1);
xSleepCount--;
}
if (xSleepCount == 0) {
throw new Exception("[ATA|WriteBlockNew] Failed 1");
}
IOWriteByte(mController_FeatureReg, 0);
IOWriteByte(mController_SectorCount, 1);
IOWriteByte(mController_SectorNumber, (byte)aBlock);
IOWriteByte(mController_CylinderLow, (byte)(aBlock >> 8));
IOWriteByte(mController_CylinderHigh, (byte)(aBlock >> 16));
IOWriteByte( mController_DeviceHead, (byte)(0xE0 | (mDrive << 4) | (byte)(aBlock >> 24)));
IOWriteByte(mController_DeviceControl, 0); // receive interrupts...
IOWriteByte(mController_Command, 0x30);
xSleepCount = Timeout;
while (((IOReadByte(mController_Command) & 0x80) == 0x80) && xSleepCount > 0) {
mSleep(1);
xSleepCount--;
}
if (xSleepCount == 0) {
throw new Exception("[ATA|WriteBlockNew] Failed 2");
}
xSleepCount = Timeout;
while (((IOReadByte(mController_AlternateStatus) & 0x8) == 0x8) && xSleepCount > 0) {
mSleep(1);
xSleepCount--;
}
if (xSleepCount == 0) {
throw new Exception("[ATA|WriteBlockNew] Failed 3");
}
for (int i = 0; i < 256; i++) {
IOWriteWord(mController_Data, (ushort)((aContents[i * 2]) | (aContents[i * 2 + 1] << 8)));
}
}
public override string Name {

15
source/Cosmos/Cosmos.Shell.Console/Commands/DeviceCommand.cs
View file

@ -50,16 +50,11 @@ namespace Cosmos.Shell.Console.Commands {
System.Console.WriteLine("Storage device is null!");
return;
}
var xBytes = xBD.ReadBlock(2);
System.Console.Write("Byte 1-1: ");
System.Console.WriteLine(xBytes[6].ToString());
System.Console.Write("Byte 1-2: ");
System.Console.WriteLine(xBytes[7].ToString());
xBytes = xBD.ReadBlock(3);
System.Console.Write("Byte 2-1: ");
System.Console.WriteLine(xBytes[6].ToString());
System.Console.Write("Byte 2-2: ");
System.Console.WriteLine(xBytes[7].ToString());
var xBytes = new byte[512];
for (int i = 0; i < 512; i++) {
xBytes[i] = (byte)(i % 255);
}
xBD.WriteBlock(0, xBytes);
}
}
}