1 files changed, 64 insertions, 0 deletions
diff --git a/src/Ryujinx.Cpu/ExceptionCallbacks.cs b/src/Ryujinx.Cpu/ExceptionCallbacks.cs
new file mode 100644
index 00000000..d9293302
--- /dev/null
+++ b/src/Ryujinx.Cpu/ExceptionCallbacks.cs
@@ -0,0 +1,64 @@
+namespace Ryujinx.Cpu
+{
+    /// <summary>
+    /// Exception callback without any additional arguments.
+    /// </summary>
+    /// <param name="context">Context for the thread where the exception was triggered</param>
+    public delegate void ExceptionCallbackNoArgs(IExecutionContext context);
+
+    /// <summary>
+    /// Exception callback.
+    /// </summary>
+    /// <param name="context">Context for the thread where the exception was triggered</param>
+    /// <param name="address">Address of the instruction that caused the exception</param>
+    /// <param name="imm">Immediate value of the instruction that caused the exception, or for undefined instruction, the instruction itself</param>
+    public delegate void ExceptionCallback(IExecutionContext context, ulong address, int imm);
+
+    /// <summary>
+    /// Stores handlers for the various CPU exceptions.
+    /// </summary>
+    public readonly struct ExceptionCallbacks
+    {
+        /// <summary>
+        /// Handler for CPU interrupts triggered using <see cref="IExecutionContext.RequestInterrupt"/>.
+        /// </summary>
+        public readonly ExceptionCallbackNoArgs InterruptCallback;
+
+        /// <summary>
+        /// Handler for CPU software interrupts caused by the Arm BRK instruction.
+        /// </summary>
+        public readonly ExceptionCallback BreakCallback;
+
+        /// <summary>
+        /// Handler for CPU software interrupts caused by the Arm SVC instruction.
+        /// </summary>
+        public readonly ExceptionCallback SupervisorCallback;
+
+        /// <summary>
+        /// Handler for CPU software interrupts caused by any undefined Arm instruction.
+        /// </summary>
+        public readonly ExceptionCallback UndefinedCallback;
+
+        /// <summary>
+        /// Creates a new exception callbacks structure.
+        /// </summary>
+        /// <remarks>
+        /// All handlers are optional, and if null, the CPU will just continue executing as if nothing happened.
+        /// </remarks>
+        /// <param name="interruptCallback">Handler for CPU interrupts triggered using <see cref="IExecutionContext.RequestInterrupt"/></param>
+        /// <param name="breakCallback">Handler for CPU software interrupts caused by the Arm BRK instruction</param>
+        /// <param name="supervisorCallback">Handler for CPU software interrupts caused by the Arm SVC instruction</param>
+        /// <param name="undefinedCallback">Handler for CPU software interrupts caused by any undefined Arm instruction</param>
+        public ExceptionCallbacks(
+            ExceptionCallbackNoArgs interruptCallback = null,
+            ExceptionCallback breakCallback = null,
+            ExceptionCallback supervisorCallback = null,
+            ExceptionCallback undefinedCallback = null)
+        {
+            InterruptCallback = interruptCallback;
+            BreakCallback = breakCallback;
+            SupervisorCallback = supervisorCallback;
+            UndefinedCallback = undefinedCallback;
+        }
+    }
+}