mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 04:18:43 +00:00
Done INTs API
This commit is contained in:
Elia Sulimanov
parent
11d5dbe5c7
commit
89d948e093
1 changed files with 193 additions and 12 deletions
|
|
@ -228,22 +228,44 @@ namespace Cosmos.Core {
|
|||
}
|
||||
#endregion
|
||||
|
||||
/// <summary>
|
||||
/// Last known address.
|
||||
/// </summary>
|
||||
[AsmMarker(AsmMarker.Type.Int_LastKnownAddress)]
|
||||
private static uint mLastKnownAddress;
|
||||
|
||||
/// <summary>
|
||||
/// IRQ handlers.
|
||||
/// </summary>
|
||||
private static IRQDelegate[] mIRQ_Handlers = new IRQDelegate[256];
|
||||
|
||||
// We used to use:
|
||||
//Interrupts.IRQ01 += HandleKeyboardInterrupt;
|
||||
// But at one point we had issues with multi cast delegates, so we changed to this single cast option.
|
||||
// [1:48:37 PM] Matthijs ter Woord: the issues were: "they didn't work, would crash kernel". not sure if we still have them..
|
||||
/// <summary>
|
||||
/// Set interrupt handler.
|
||||
/// </summary>
|
||||
/// <param name="aIntNo">Interrupt index.</param>
|
||||
/// <param name="aHandler">IRQ handler.</param>
|
||||
public static void SetIntHandler(byte aIntNo, IRQDelegate aHandler) {
|
||||
mIRQ_Handlers[aIntNo] = aHandler;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Set IRQ handler.
|
||||
/// </summary>
|
||||
/// <param name="aIrqNo">IRQ index.</param>
|
||||
/// <param name="aHandler">IRQ handler.</param>
|
||||
public static void SetIrqHandler(byte aIrqNo, IRQDelegate aHandler) {
|
||||
SetIntHandler((byte)(0x20 + aIrqNo), aHandler);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Set IRQ context to IRQ handler.
|
||||
/// </summary>
|
||||
/// <param name="irq">IRQ handler index.</param>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
private static void IRQ(uint irq, ref IRQContext aContext) {
|
||||
var xCallback = mIRQ_Handlers[irq];
|
||||
if (xCallback != null) {
|
||||
|
|
@ -265,24 +287,40 @@ namespace Cosmos.Core {
|
|||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// IRQ delegate.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public delegate void IRQDelegate(ref IRQContext aContext);
|
||||
/// <summary>
|
||||
/// Exception interrupt delegate.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <param name="aHandled">True if handled.</param>
|
||||
public delegate void ExceptionInterruptDelegate(ref IRQContext aContext, ref bool aHandled);
|
||||
|
||||
#region Default Interrupt Handlers
|
||||
|
||||
//IRQ 0 - System timer. Reserved for the system. Cannot be changed by a user.
|
||||
/// <summary>
|
||||
/// IRQ 0 - System timer. Reserved for the system. Cannot be changed by a user.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_20(ref IRQContext aContext) {
|
||||
IRQ(0x20, ref aContext);
|
||||
Global.PIC.EoiMaster();
|
||||
}
|
||||
|
||||
//public static IRQDelegate IRQ01;
|
||||
//IRQ 1 - Keyboard. Reserved for the system. Cannot be altered even if no keyboard is present or needed.
|
||||
/// <summary>
|
||||
/// IRQ 1 - Keyboard. Reserved for the system. Cannot be altered even if no keyboard is present or needed.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_21(ref IRQContext aContext) {
|
||||
|
||||
IRQ(0x21, ref aContext);
|
||||
Global.PIC.EoiMaster();
|
||||
}
|
||||
|
||||
public static void HandleInterrupt_22(ref IRQContext aContext) {
|
||||
|
||||
IRQ(0x22, ref aContext);
|
||||
|
|
@ -318,25 +356,29 @@ namespace Cosmos.Core {
|
|||
IRQ(0x28, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
}
|
||||
//IRQ 09 - (Added for AMD PCNet network card)
|
||||
//public static IRQDelegate IRQ09;
|
||||
|
||||
/// <summary>
|
||||
/// IRQ 09 - (Added for AMD PCNet network card).
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_29(ref IRQContext aContext) {
|
||||
IRQ(0x29, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
}
|
||||
|
||||
//IRQ 10 - (Added for VIA Rhine network card)
|
||||
//public static IRQDelegate IRQ10;
|
||||
|
||||
/// <summary>
|
||||
/// IRQ 10 - (Added for VIA Rhine network card).
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_2A(ref IRQContext aContext) {
|
||||
IRQ(0x2A, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
}
|
||||
|
||||
//IRQ 11 - (Added for RTL8139 network card)
|
||||
//public static IRQDelegate IRQ11;
|
||||
|
||||
/// <summary>
|
||||
/// IRQ 11 - (Added for RTL8139 network card).
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_2B(ref IRQContext aContext) {
|
||||
IRQ(0x2B, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
|
|
@ -353,12 +395,20 @@ namespace Cosmos.Core {
|
|||
IRQ(0x2D, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
}
|
||||
//IRQ 14 - Primary IDE. If no Primary IDE this can be changed
|
||||
|
||||
/// <summary>
|
||||
/// IRQ 14 - Primary IDE. If no Primary IDE this can be changed.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_2E(ref IRQContext aContext) {
|
||||
IRQ(0x2E, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
}
|
||||
//IRQ 15 - Secondary IDE
|
||||
|
||||
/// <summary>
|
||||
/// IRQ 15 - Secondary IDE.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
public static void HandleInterrupt_2F(ref IRQContext aContext) {
|
||||
IRQ(0x2F, ref aContext);
|
||||
Global.PIC.EoiSlave();
|
||||
|
|
@ -414,61 +464,149 @@ namespace Cosmos.Core {
|
|||
|
||||
#region CPU Exceptions
|
||||
|
||||
/// <summary>
|
||||
/// General protection fault IRQ delegate.
|
||||
/// </summary>
|
||||
public static IRQDelegate GeneralProtectionFault;
|
||||
|
||||
/// <summary>
|
||||
/// Divide By Zero Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_00(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Divide by zero", "EDivideByZero", ref aContext, aContext.EIP);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Debug Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_01(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Debug Exception", "Debug Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Non Maskable Interrupt Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_02(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Non Maskable Interrupt Exception", "Non Maskable Interrupt Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Breakpoint Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_03(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Breakpoint Exception", "Breakpoint Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Into Detected Overflow Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_04(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Into Detected Overflow Exception", "Into Detected Overflow Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Out of Bounds Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_05(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Out of Bounds Exception", "Out of Bounds Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Invalid Opcode.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_06(ref IRQContext aContext) {
|
||||
// although mLastKnownAddress is a static, we need to get it here, any subsequent calls will change the value!!!
|
||||
var xLastKnownAddress = mLastKnownAddress;
|
||||
HandleException(aContext.EIP, "Invalid Opcode", "EInvalidOpcode", ref aContext, xLastKnownAddress);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// No Coprocessor Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_07(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "No Coprocessor Exception", "No Coprocessor Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Double Fault Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_08(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Double Fault Exception", "Double Fault Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Coprocessor Segment Overrun Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_09(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Coprocessor Segment Overrun Exception", "Coprocessor Segment Overrun Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Bad TSS Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_0A(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Bad TSS Exception", "Bad TSS Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Segment Not Present.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_0B(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Segment Not Present", "Segment Not Present", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Stack Fault Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_0C(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Stack Fault Exception", "Stack Fault Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// General Protection Fault.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_0D(ref IRQContext aContext) {
|
||||
if (GeneralProtectionFault != null) {
|
||||
GeneralProtectionFault(ref aContext);
|
||||
|
|
@ -477,25 +615,62 @@ namespace Cosmos.Core {
|
|||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Page Fault Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_0E(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Page Fault Exception", "Page Fault Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Unknown Interrupt Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_0F(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Unknown Interrupt Exception", "Unknown Interrupt Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// x87 Floating Point Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_10(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "x87 Floating Point Exception", "Coprocessor Fault Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Alignment Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_11(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Alignment Exception", "Alignment Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Machine Check Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_12(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "Machine Check Exception", "Machine Check Exception", ref aContext);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// SIMD Floating Point Exception.
|
||||
/// </summary>
|
||||
/// <param name="aContext">IRQ context.</param>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void HandleInterrupt_13(ref IRQContext aContext) {
|
||||
HandleException(aContext.EIP, "SIMD Floating Point Exception", "SIMD Floating Point Exception", ref aContext);
|
||||
}
|
||||
|
|
@ -608,6 +783,12 @@ namespace Cosmos.Core {
|
|||
// This is to trick IL2CPU to compile it in
|
||||
//TODO: Make a new attribute that IL2CPU sees when scanning to force inclusion so we dont have to do this.
|
||||
// We dont actually need to call this method
|
||||
/// <summary>
|
||||
/// Dummy function, used by the bootstrap.
|
||||
/// </summary>
|
||||
/// <remarks>This is to trick IL2CPU to compile it in.</remarks>
|
||||
/// <exception cref="System.IndexOutOfRangeException">Thrown on fatal error, contact support.</exception>
|
||||
/// <exception cref="System.OverflowException">Thrown on fatal error, contact support.</exception>
|
||||
public static void Dummy() {
|
||||
// Compiler magic
|
||||
bool xTest = false;
|
||||
|
|
|
|||
Loading…
Reference in a new issue