EXCEPTION SYSTEM (initial version - may change later)

src/exceptions.rs

@@ -0,0 +1,30 @@
+// Copyright (c) 2025 taitep
+// SPDX-License-Identifier: MIT
+//
+// This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
+// See LICENSE file in the project root for full license text.
+
+use int_enum::IntEnum;
+
+#[repr(u8)]
+#[allow(dead_code)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, IntEnum)]
+pub enum ExceptionType {
+    InstructionAccessMisaligned = 0,
+    InstructionAccessFault = 1,
+    IllegalInstruction = 2,
+    Breakpoint = 3,
+    LoadAddressMisaligned = 4,
+    LoadAccessFault = 5,
+    StoreAmoAddressMisaligned = 6,
+    StoreAmoAccessFault = 7,
+    EnvironmentCallFromUMode = 8,
+    EnvironmentCallFromSMode = 9,
+    EnvironmentCallFromMMode = 11,
+    InstructionPageFault = 12,
+    LoadPageFault = 13,
+    StoreAmoPageFault = 15,
+    DoubleTrap = 16,
+    SoftwareCheck = 18,
+    HardwareError = 19,
+}