public static void Setup()
{
//At this stage, allocating memory does not work, so you are only allowed to use ValueTypes or static classes.
IDT.SetInterruptHandler(null);
Panic.Setup();
DebugClient.Setup(Serial.COM1);
//Initialize interrupts
PIC.Setup();
IDT.Setup();
//Initializing the memory management
Multiboot.Setup();
GDT.Setup();
PageFrameAllocator.Setup();
PageTable.Setup();
VirtualPageAllocator.Setup();
ProcessManager.Setup();
GC.Setup();
//At this point we can use objects, that allocates memory
Runtime.Setup();
TaskManager.Setup();
SmbiosManager.Setup();
ConsoleManager.Setup();
}
/// <summary>
/// Interrupts the handler.
/// </summary>
/// <param name="stack">The stack.</param>
private unsafe static void ProcessInterrupt(IDTStack *stack)
{
DebugClient.Process();
switch (stack->Interrupt)
{
case 0:
Error(stack->EBP, stack->EIP, "Divide Error");
break;
case 4:
Error(stack->EBP, stack->EIP, "Arithmetic Overflow Exception");
break;
case 5:
Error(stack->EBP, stack->EIP, "Bound Check Error");
break;
case 6:
Error(stack->EBP, stack->EIP, "Invalid Opcode");
break;
case 7:
Error(stack->EBP, stack->EIP, "Co-processor Not Available");
break;
case 8:
//TODO: Analyze the double fault
Error(stack->EBP, stack->EIP, "Double Fault");
break;
case 9:
Error(stack->EBP, stack->EIP, "Co-processor Segment Overrun");
break;
case 10:
Error(stack->EBP, stack->EIP, "Invalid TSS");
break;
case 11:
Error(stack->EBP, stack->EIP, "Segment Not Present");
break;
case 12:
Error(stack->EBP, stack->EIP, "Stack Exception");
break;
case 13:
Error(stack->EBP, stack->EIP, "General Protection Exception");
break;
case 14:
// Check if Null Pointer Exception
// Otherwise handle as Page Fault
var cr2 = Native.GetCR2() >> 5;
if (cr2 < 0x1000)
{
Error(stack->EBP, stack->EIP, "Null Pointer Exception");
}
//spinLock.Enter(ref taken);
uint physicalpage = PageFrameAllocator.Allocate();
if (physicalpage == 0x0)
{
// Panic! Out of memory
Panic.SetStackPointer(stack->EBP, stack->EIP);
Panic.Error(cr2);
}
PageTable.MapVirtualAddressToPhysical(Native.GetCR2(), physicalpage);
//spinLock.Exit();
break;
case 16:
Error(stack->EBP, stack->EIP, "Co-processor Error");
break;
case 19:
Error(stack->EBP, stack->EIP, "SIMD Floating-Point Exception");
break;
default:
if (interruptHandler != null)
{
interruptHandler(stack->Interrupt, stack->ErrorCode);
}
break;
}
PIC.SendEndOfInterrupt(stack->Interrupt);
}
/// <summary>
/// Interrupts the handler.
/// </summary>
/// <param name="stack">The stack.</param>
private unsafe static void ProcessInterrupt(IDTStack *stack)
{
DebugClient.Process();
switch (stack->Interrupt)
{
case 0:
Error(stack->EBP, stack->EIP, "Divide Error");
break;
case 4:
Error(stack->EBP, stack->EIP, "Arithmetic Overflow Exception");
break;
case 5:
Error(stack->EBP, stack->EIP, "Bound Check Error");
break;
case 6:
Error(stack->EBP, stack->EIP, "Invalid Opcode");
break;
case 7:
Error(stack->EBP, stack->EIP, "Coprocessor Not Available");
break;
case 8:
//TODO: Analyze the double fault
Error(stack->EBP, stack->EIP, "Double Fault");
break;
case 9:
Error(stack->EBP, stack->EIP, "Coprocessor Segment Overrun");
break;
case 10:
Error(stack->EBP, stack->EIP, "Invalid TSS");
break;
case 11:
Error(stack->EBP, stack->EIP, "Segment Not Present");
break;
case 12:
Error(stack->EBP, stack->EIP, "Stack Exception");
break;
case 13:
Error(stack->EBP, stack->EIP, "General Protection Exception");
break;
case 14:
// Page Fault!
var cr2 = Native.GetCR2() >> 5;
if (cr2 < 0x1000)
{
Error(stack->EBP, stack->EIP, "Null Pointer Exception");
break;
}
//PageFaultHandler.Fault(errorCode);
Panic.SetStackPointer(stack->EBP, stack->EIP);
Panic.Error(cr2);
break;
case 16:
Error(stack->EBP, stack->EIP, "Coprocessor Error");
break;
case 19:
Error(stack->EBP, stack->EIP, "SIMD Floating-Point Exception");
break;
default:
if (interruptHandler != null)
{
interruptHandler(stack->Interrupt, stack->ErrorCode);
}
break;
}
PIC.SendEndOfInterrupt(stack->Interrupt);
}
/// <summary>
/// Interrupts the handler.
/// </summary>
/// <param name="edi">The edi.</param>
/// <param name="esi">The esi.</param>
/// <param name="ebp">The ebp.</param>
/// <param name="esp">The esp.</param>
/// <param name="ebx">The ebx.</param>
/// <param name="edx">The edx.</param>
/// <param name="ecx">The ecx.</param>
/// <param name="eax">The eax.</param>
/// <param name="interrupt">The interrupt.</param>
/// <param name="errorCode">The error code.</param>
private static void ProcessInterrupt(uint edi, uint esi, uint ebp, uint esp, uint ebx, uint edx, uint ecx, uint eax, uint interrupt, uint errorCode, uint eip, uint cs, uint eflags)
{
DebugClient.Process();
switch (interrupt)
{
case 0:
Error(ebp, eip, "Divide Error");
break;
case 4:
Error(ebp, eip, "Arithmetic Overflow Exception");
break;
case 5:
Error(ebp, eip, "Bound Check Error");
break;
case 6:
Error(ebp, eip, "Invalid Opcode");
break;
case 7:
Error(ebp, eip, "Coprocessor Not Available");
break;
case 8:
//TODO: Analyze the double fault
Error(ebp, eip, "Double Fault");
break;
case 9:
Error(ebp, eip, "Coprocessor Segment Overrun");
break;
case 10:
Error(ebp, eip, "Invalid TSS");
break;
case 11:
Error(ebp, eip, "Segment Not Present");
break;
case 12:
Error(ebp, eip, "Stack Exception");
break;
case 13:
Error(ebp, eip, "General Protection Exception");
break;
case 14:
// Page Fault!
var cr2 = Native.GetCR2() >> 5;
if (cr2 < 0x1000)
{
Error(ebp, eip, "Null Pointer Exception");
break;
}
PageFaultHandler.Fault(errorCode);
break;
case 16:
Error(ebp, eip, "Coprocessor Error");
break;
case 19:
Error(ebp, eip, "SIMD Floating-Point Exception");
break;
default:
if (interruptHandler != null)
{
interruptHandler(interrupt, errorCode);
}
break;
}
PIC.SendEndOfInterrupt(interrupt);
}