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[AHCI] First working AHCI Controller

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KingLuigi4932 2017-12-25 08:52:46 +03:00 committed by GitHub
parent 3f10ebc961
commit 46e1392d99
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1 changed files with 28 additions and 7 deletions
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35
source/Cosmos.HAL2/BlockDevice/Ports/Satapi.cs
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@ -3,10 +3,11 @@ using System.Collections.Generic;
using System.Text;
using Cosmos.Core.Memory.Old;
using Cosmos.HAL.BlockDevice.Registers;
using Cosmos.Core;
namespace Cosmos.HAL.BlockDevice.Ports
{
public class Satapi : StoragePort
public class SATAPI : StoragePort
{
public Debug.Kernel.Debugger mSATAPIDebugger = new Debug.Kernel.Debugger("HAL", "SATAPI");
@ -16,7 +17,7 @@ namespace Cosmos.HAL.BlockDevice.Ports
public override string mPortName => "SATAPI";
public override uint mPortNumber => mPortReg.mPortNumber;
public Satapi(PortRegisters aSATAPIPort)
public SATAPI(PortRegisters aSATAPIPort)
{
// Check if it is really a SATAPI Port!
@ -45,20 +46,34 @@ namespace Cosmos.HAL.BlockDevice.Ports
HBACommandHeader xCMDHeader = new HBACommandHeader(mPortReg.CLB, (uint)xSlot);
xCMDHeader.CFL = 5;
xCMDHeader.ATAPI = 1;
xCMDHeader.PRDTL = 0;
xCMDHeader.PRDTL = (ushort)(((aCount - 1) >> 4) + 1);
xCMDHeader.Write = 0;
xCMDHeader.ClearBusy = 1;
xCMDHeader.CTBA = Heap.MemAlloc(256) + (uint)(256 * xSlot);
xCMDHeader.CTBA = Heap.MemAlloc(128 + ((uint)xCMDHeader.PRDTL) * 16);
HBACommandTable xCMDTable = new HBACommandTable(xCMDHeader.CTBA, (uint)xSlot);
HBACommandTable xCMDTable = new HBACommandTable(xCMDHeader.CTBA, xCMDHeader.PRDTL);
uint DataBaseAddress = 0x0046C000;
for (int i = 0; i < xCMDHeader.PRDTL - 1; i++)
{
xCMDTable.PRDTEntry[i].DBA = DataBaseAddress;
xCMDTable.PRDTEntry[i].DBC = 8 * 1024 - 1; // 8K bytes (this value should always be set to 1 less than the actual value)
xCMDTable.PRDTEntry[i].InterruptOnCompletion = 1;
DataBaseAddress += 8 * 1024; // 4K words
aCount -= 16; // 16 sectors
}
// Last entry
xCMDTable.PRDTEntry[xCMDHeader.PRDTL - 1].DBA = DataBaseAddress;
xCMDTable.PRDTEntry[xCMDHeader.PRDTL - 1].DBC = aCount * 512 - 1; // 8K bytes (this value should always be set to 1 less than the actual value)
xCMDTable.PRDTEntry[xCMDHeader.PRDTL - 1].InterruptOnCompletion = 1;
FISRegisterH2D xCMDFIS = new FISRegisterH2D(xCMDTable.CFIS)
{
FISType = (byte)FISType.FIS_Type_RegisterH2D,
IsCommand = 1,
Command = (byte)ATACommands.Packet,
Device = 0
Device = 1 << 4
};
byte[] xATAPICMD = new byte[12];
@ -139,6 +154,12 @@ namespace Cosmos.HAL.BlockDevice.Ports
public override void ReadBlock(ulong aBlockNo, ulong aBlockCount, byte[] aData)
{
SendSATAPICommand(ATACommands.Read, (uint)aBlockNo, (uint)aBlockCount);
byte[] xByte = new byte[512];
new MemoryBlock(0x0046C000, 512).Read8(xByte);
for (int i = 0; i < 512; i++)
{
Console.Write(xByte[i]);
}
}
public override void WriteBlock(ulong aBlockNo, ulong aBlockCount, byte[] aData)