From 0276197744d5026f32a0b33e378cbf3636f97008 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Mon, 20 Feb 2023 03:19:51 -0800
Subject: [PATCH] android: jni: Ensure system is only initialized once.

- Fixes likelihood that fastmem allocation succeeds.
---
 .../app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.java | 3 +--
 .../org/yuzu/yuzu_emu/utils/DirectoryInitialization.java   | 2 +-
 src/android/app/src/main/jni/native.cpp                    | 7 ++++---
 src/android/app/src/main/jni/native.h                      | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.java b/src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.java
index c09b711fdf..6f76c3f951 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.java
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.java
@@ -185,8 +185,7 @@ public final class NativeLibrary {
 
     public static native boolean ReloadKeys();
 
-    // Create the config.ini file.
-    public static native void CreateConfigFile();
+    public static native void InitializeEmulation();
 
     public static native int DefaultCPUCore();
 
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DirectoryInitialization.java b/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DirectoryInitialization.java
index f922ae1837..6464c2286b 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DirectoryInitialization.java
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/DirectoryInitialization.java
@@ -27,7 +27,7 @@ public final class DirectoryInitialization {
 
         if (directoryState != DirectoryInitializationState.YUZU_DIRECTORIES_INITIALIZED) {
             initializeInternalStorage(context);
-            NativeLibrary.CreateConfigFile();
+            NativeLibrary.InitializeEmulation();
             directoryState = DirectoryInitializationState.YUZU_DIRECTORIES_INITIALIZED;
         }
 
diff --git a/src/android/app/src/main/jni/native.cpp b/src/android/app/src/main/jni/native.cpp
index 2413a78f0e..505ae11760 100644
--- a/src/android/app/src/main/jni/native.cpp
+++ b/src/android/app/src/main/jni/native.cpp
@@ -40,7 +40,6 @@ namespace {
 class EmulationSession final {
 public:
     EmulationSession() {
-        m_system.Initialize();
         m_vfs = std::make_shared<FileSys::RealVfsFilesystem>();
     }
 
@@ -126,7 +125,6 @@ public:
 
         // Initialize system.
         m_system.SetShuttingDown(false);
-        m_system.Initialize();
         m_system.ApplySettings();
         m_system.HIDCore().ReloadInputDevices();
         m_system.SetContentProvider(std::make_unique<FileSys::ContentProviderUnion>());
@@ -498,9 +496,12 @@ jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetGitRevision([[maybe_unused]] JN
     return {};
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_CreateConfigFile
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeEmulation
     [[maybe_unused]] (JNIEnv* env, [[maybe_unused]] jclass clazz) {
+    // Create the default config.ini.
     Config{};
+    // Initialize the emulated system.
+    EmulationSession::GetInstance().System().Initialize();
 }
 
 jint Java_org_yuzu_yuzu_1emu_NativeLibrary_DefaultCPUCore([[maybe_unused]] JNIEnv* env,
diff --git a/src/android/app/src/main/jni/native.h b/src/android/app/src/main/jni/native.h
index f799560e47..192c9261d3 100644
--- a/src/android/app/src/main/jni/native.h
+++ b/src/android/app/src/main/jni/native.h
@@ -86,8 +86,8 @@ JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SetSysDirectory(JNI
                                                                              jclass clazz,
                                                                              jstring path);
 
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_CreateConfigFile(JNIEnv* env,
-                                                                              jclass clazz);
+JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeEmulation(JNIEnv* env,
+                                                                                 jclass clazz);
 
 JNIEXPORT jint JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_DefaultCPUCore(JNIEnv* env,
                                                                             jclass clazz);