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Ata boot fix.

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This commit is contained in:
Valentin Charbonnier 2017-10-10 21:40:11 +02:00
parent e132b0f473
commit c75cdffbb4
2 changed files with 40 additions and 9 deletions
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29
source/Cosmos.HAL2/Global.cs
View file

@ -15,6 +15,7 @@ namespace Cosmos.HAL
public static TextScreenBase TextScreen = new TextScreen();
public static PCI Pci;
public static int atamode;
static public void Init(TextScreenBase textScreen)
{
@ -46,16 +47,26 @@ namespace Cosmos.HAL
mDebugger.Send("Done initializing Cosmos.HAL.Global");
mDebugger.Send("ATA Primary Master");
InitAta(Ata.ControllerIdEnum.Primary, Ata.BusPositionEnum.Master);
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);
//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()

20
source/Cosmos.HAL2/PCI.cs
View file

@ -32,6 +32,26 @@ namespace Cosmos.HAL
CheckBus(fn);
}
}
foreach (PCIDevice device in Devices)
{
if (device.ClassCode == 0x01 && device.Subclass == 0x06 && device.ProgIF == 0x01)
{
//Serial ATA (AHCI 1.0)
Global.atamode = 1;
}
else if (device.ClassCode == 0x01 && device.Subclass == 0x04 && device.ProgIF == 0x00)
{
//RAID Controller
Global.atamode = 2;
}
else if (device.ClassCode == 0x01 && device.Subclass == 0x01)
{
//IDE Controller
Global.atamode = 3;
}
}
}
private static void CheckBus(ushort xBus)