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Update Global.cs

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Valentin Charbonnier 2018-01-06 20:26:42 +01:00 committed by GitHub
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166
source/Cosmos.HAL2/Global.cs
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@ -1,139 +1,61 @@
using System; using System;
using Cosmos.Core; using Cosmos.Core;
using Cosmos.Debug.Kernel; using Cosmos.Debug.Kernel;
using Cosmos.HAL.BlockDevice; using Cosmos.HAL.BlockDevice;
namespace Cosmos.HAL namespace Cosmos.HAL
{ {
public static class Global public static class Global
{
public static readonly Debugger mDebugger = new Debugger("HAL", "Global");
//static public PIT PIT = new PIT();
// Must be static init, other static inits rely on it not being null
public static TextScreenBase TextScreen = new TextScreen();
public static PCI Pci;
public static int atamode;
static public void Init(TextScreenBase textScreen)
{ {
if (textScreen != null) public static readonly Debugger mDebugger = new Debugger("HAL", "Global");
{
TextScreen = textScreen;
}
mDebugger.Send("Before Core.Global.Init"); //static public PIT PIT = new PIT();
Core.Global.Init(); // Must be static init, other static inits rely on it not being null
//TODO Redo this - Global init should be other. public static TextScreenBase TextScreen = new TextScreen();
// Move PCI detection to hardware? Or leave it in core? Is Core PC specific, or deeper? public static PCI Pci;
// If we let hardware do it, we need to protect it from being used by System.
// Probably belongs in hardware, and core is more specific stuff like CPU, memory, etc.
//Core.PCI.OnPCIDeviceFound = PCIDeviceFound;
//TODO: Since this is FCL, its "common". Otherwise it should be static public void Init(TextScreenBase textScreen)
// system level and not accessible from Core. Need to think about this
// for the future.
Console.WriteLine("Finding PCI Devices");
mDebugger.Send("PCI Devices");
PCI.Setup();
Console.WriteLine("Starting ACPI");
mDebugger.Send("ACPI Init");
ACPI.Start();
mDebugger.Send("Done initializing Cosmos.HAL.Global");
if (atamode == 1)
{
//TODO Implement an AHCI Driver
}
else if (atamode == 2)
{
//TODO Implement a RAID Driver
}
else if (atamode == 3)
{
mDebugger.Send("ATA Primary Master");
InitAta(Ata.ControllerIdEnum.Primary, Ata.BusPositionEnum.Master);
//TODO Need to change code to detect if ATA controllers are present or not. How to do this? via PCI enum?
// They do show up in PCI space as well as the fixed space.
// Or is it always here, and was our compiler stack corruption issue?
mDebugger.Send("ATA Secondary Master");
InitAta(Ata.ControllerIdEnum.Secondary, Ata.BusPositionEnum.Master);
//InitAta(BlockDevice.Ata.ControllerIdEnum.Secondary, BlockDevice.Ata.BusPositionEnum.Slave);
}
}
public static void EnableInterrupts()
{
CPU.EnableInterrupts();
}
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]; if (textScreen != null)
//var xPartDevice = new BlockDevice.Partition(xATA, xPart.StartSector, xPart.SectorCount); {
//BlockDevice.BlockDevice.Devices.Add(xPartDevice); TextScreen = textScreen;
} }
}
mDebugger.Send("Before Core.Global.Init");
Core.Global.Init();
//TODO Redo this - Global init should be other.
// Move PCI detection to hardware? Or leave it in core? Is Core PC specific, or deeper?
// If we let hardware do it, we need to protect it from being used by System.
// Probably belongs in hardware, and core is more specific stuff like CPU, memory, etc.
//Core.PCI.OnPCIDeviceFound = PCIDeviceFound;
//TODO: Since this is FCL, its "common". Otherwise it should be
// system level and not accessible from Core. Need to think about this
// for the future.
Console.WriteLine("Finding PCI Devices");
mDebugger.Send("PCI Devices");
PCI.Setup();
Console.WriteLine("Starting ACPI");
mDebugger.Send("ACPI Init");
ACPI.Start();
IDE.InitDriver();
AHCI.InitDriver();
//EHCI.InitDriver();
mDebugger.Send("Done initializing Cosmos.HAL.Global");
// TODO Change this to foreach when foreach is supported
Ata.AtaDebugger.Send("Number of MBR partitions found:");
Ata.AtaDebugger.SendNumber(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
public static void EnableInterrupts()
{ {
var xPartDevice = new Partition(xATA, xPart.StartSector, xPart.SectorCount); CPU.EnableInterrupts();
BlockDevice.BlockDevice.Devices.Add(xPartDevice);
Console.WriteLine("Found partition at idx" + i);
} }
}
public static bool InterruptsEnabled => CPU.mInterruptsEnabled;
} }
public static bool InterruptsEnabled => CPU.mInterruptsEnabled;
}
} }