A32: Add arch_version option

include/dynarmic/A32/arch_version.h

@@ -0,0 +1,23 @@
+/* This file is part of the dynarmic project.
+ * Copyright (c) 2020 MerryMage
+ * SPDX-License-Identifier: 0BSD
+ */
+
+#pragma once
+
+namespace Dynarmic {
+namespace A32 {
+
+enum class ArchVersion {
+    v3,
+    v4,
+    v4T,
+    v5TE,
+    v6K,
+    v6T2,
+    v7,
+    v8,
+};
+
+} // namespace A32
+} // namespace Dynarmic

include/dynarmic/A32/config.h

@@ -10,6 +10,7 @@
 #include <cstdint>
 #include <memory>
 
+#include <dynarmic/A32/arch_version.h>
 #include <dynarmic/optimization_flags.h>
 
 namespace Dynarmic {
@@ -105,6 +106,10 @@ struct UserConfig {
     size_t processor_id = 0;
     ExclusiveMonitor* global_monitor = nullptr;
 
+    /// Select the architecture version to use.
+    /// There are minor behavioural differences between versions.
+    ArchVersion arch_version = ArchVersion::v8;
+
     /// This selects other optimizations than can't otherwise be disabled by setting other
     /// configuration options. This includes:
     /// - IR optimizations