From 0480ca48fbddc79f41c16e8ef8e251e095b1a6f3 Mon Sep 17 00:00:00 2001
From: aldelaro5 <aldelaro5@localhost.localdomain>
Date: Sat, 20 Aug 2016 23:57:39 -0400
Subject: [PATCH] Add a thread safe variant of clearing the jit cache

---
 Source/Core/Core/PowerPC/JitCommon/JitCache.cpp | 14 ++++++++++++++
 Source/Core/Core/PowerPC/JitCommon/JitCache.h   |  1 +
 2 files changed, 15 insertions(+)

diff --git a/Source/Core/Core/PowerPC/JitCommon/JitCache.cpp b/Source/Core/Core/PowerPC/JitCommon/JitCache.cpp
index 6f345b9636..0817bdc7de 100644
--- a/Source/Core/Core/PowerPC/JitCommon/JitCache.cpp
+++ b/Source/Core/Core/PowerPC/JitCommon/JitCache.cpp
@@ -17,6 +17,7 @@
 #include "Common/JitRegister.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
+#include "Core/CoreTiming.h"
 #include "Core/PowerPC/JitCommon/JitBase.h"
 #include "Core/PowerPC/JitInterface.h"
 #include "Core/PowerPC/PowerPC.h"
@@ -27,6 +28,13 @@
 
 using namespace Gen;
 
+static int s_clear_jit_cache_thread_safe;
+
+static void ClearCacheThreadSafe(u64 userdata, s64 cyclesdata)
+{
+  JitInterface::ClearCache();
+}
+
 bool JitBaseBlockCache::IsFull() const
 {
   return GetNumBlocks() >= MAX_NUM_BLOCKS - 1;
@@ -34,6 +42,7 @@ bool JitBaseBlockCache::IsFull() const
 
 void JitBaseBlockCache::Init()
 {
+  s_clear_jit_cache_thread_safe = CoreTiming::RegisterEvent("clearJitCache", ClearCacheThreadSafe);
   JitRegister::Init(SConfig::GetInstance().m_perfDir);
 
   iCache.fill(0);
@@ -73,6 +82,11 @@ void JitBaseBlockCache::Clear()
   blocks[0].invalid = true;
 }
 
+void JitBaseBlockCache::SchedulateClearCacheThreadSafe()
+{
+  CoreTiming::ScheduleEvent(0, s_clear_jit_cache_thread_safe);
+}
+
 void JitBaseBlockCache::Reset()
 {
   Shutdown();
diff --git a/Source/Core/Core/PowerPC/JitCommon/JitCache.h b/Source/Core/Core/PowerPC/JitCommon/JitCache.h
index 842e723ee9..f3a3c8b4a3 100644
--- a/Source/Core/Core/PowerPC/JitCommon/JitCache.h
+++ b/Source/Core/Core/PowerPC/JitCommon/JitCache.h
@@ -159,6 +159,7 @@ public:
   void FinalizeBlock(int block_num, bool block_link, const u8* code_ptr);
 
   void Clear();
+  void SchedulateClearCacheThreadSafe();
   void Init();
   void Shutdown();
   void Reset();