From 29d30bf931a9193839a891a01254915e890d64b1 Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Tue, 9 Aug 2016 22:45:54 +0100
Subject: [PATCH] Interface: Added Jit::Reset to reset CPU state

---
 src/backend_x64/interface_x64.cpp | 5 +++++
 src/interface/interface.h         | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/src/backend_x64/interface_x64.cpp b/src/backend_x64/interface_x64.cpp
index 1681d3b3..2edf289c 100644
--- a/src/backend_x64/interface_x64.cpp
+++ b/src/backend_x64/interface_x64.cpp
@@ -123,6 +123,11 @@ void Jit::ClearCache(bool poison_memory) {
     impl->emitter.ClearCache();
 }
 
+void Jit::Reset() {
+    ASSERT(!is_executing);
+    impl->jit_state = {};
+}
+
 void Jit::HaltExecution() {
     ASSERT(is_executing);
     halt_requested = true;
diff --git a/src/interface/interface.h b/src/interface/interface.h
index 9a3bcace..bd592eb7 100644
--- a/src/interface/interface.h
+++ b/src/interface/interface.h
@@ -57,6 +57,12 @@ public:
      */
     void ClearCache(bool poison_memory = true);
 
+    /**
+     * Reset CPU state to state at startup. Does not clear code cache.
+     * Cannot be called from a callback.
+     */
+    void Reset();
+
     /**
      * Stops execution in Jit::Run.
      * Can only be called from a callback.