2026-09-05 17:30:12

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/NativeConfig.kt

@@ -28,13 +28,13 @@ object NativeConfig {
      * Reads values in the global config file and saves them.
      */
     @Synchronized
-    external fun reloadGlobalConfig(): Boolean
+    external fun reloadGlobalConfig()
 
     /**
      * Saves global settings values in memory to disk.
      */
     @Synchronized
-    external fun saveGlobalConfig(): Boolean
+    external fun saveGlobalConfig()
 
     /**
      * Creates per-game config for the specified parameters. Must be unloaded once per-game config
@@ -54,7 +54,7 @@ object NativeConfig {
      * Saves per-game settings values in memory to disk.
      */
     @Synchronized
-    external fun savePerGameConfig(): Boolean
+    external fun savePerGameConfig()
 
     /**
      * Destroys the stored per-game config object. This does not save the config.

src/android/app/src/main/jni/native_config.cpp

@@ -45,16 +45,12 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_unloadGlobalConfig(JNIEnv* env,
     global_config.reset();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_reloadGlobalConfig(JNIEnv* env, jobject obj) {
-    if (global_config)
-        global_config->AndroidConfig::ReloadAllValues();
-    return global_config != nullptr;
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_reloadGlobalConfig(JNIEnv* env, jobject obj) {
+    global_config->AndroidConfig::ReloadAllValues();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_saveGlobalConfig(JNIEnv* env, jobject obj) {
-    if (global_config)
-        global_config->AndroidConfig::SaveAllValues();
-    return global_config != nullptr;
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_saveGlobalConfig(JNIEnv* env, jobject obj) {
+    global_config->AndroidConfig::SaveAllValues();
 }
 
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializePerGameConfig(JNIEnv* env, jobject obj,
@@ -67,14 +63,13 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializePerGameConfig(JNIEnv*
         std::make_unique<AndroidConfig>(config_file_name, Config::ConfigType::PerGameConfig);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_isPerGameConfigLoaded(JNIEnv* env, jobject obj) {
+jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_isPerGameConfigLoaded(JNIEnv* env,
+                                                                          jobject obj) {
     return per_game_config != nullptr;
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_savePerGameConfig(JNIEnv* env, jobject obj) {
-    if (per_game_config)
-        per_game_config->AndroidConfig::SaveAllValues();
-    return per_game_config != nullptr;
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_savePerGameConfig(JNIEnv* env, jobject obj) {
+    per_game_config->AndroidConfig::SaveAllValues();
 }
 
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_unloadPerGameConfig(JNIEnv* env, jobject obj) {

src/common/host_memory.cpp

@@ -399,6 +399,10 @@ private:
 // For managarm: see https://github.com/managarm/managarm/issues/1370
 #else // ^^^ Windows ^^^ vvv POSIX vvv
 
+#ifndef MAP_NOCORE
+#define MAP_NOCORE 0
+#endif
+
 #ifdef ARCHITECTURE_arm64
 
 static void* ChooseVirtualBase(size_t virtual_size) {
@@ -423,7 +427,7 @@ static void* ChooseVirtualBase(size_t virtual_size) {
         // Note: we may be able to take advantage of MAP_FIXED_NOREPLACE here.
         void* map_pointer =
             mmap(reinterpret_cast<void*>(hint_address), virtual_size, PROT_READ | PROT_WRITE,
-                 MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
+                 MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_NOCORE, -1, 0);
 
         // If we successfully mapped, we're done.
         if (reinterpret_cast<uintptr_t>(map_pointer) == hint_address) {
@@ -443,11 +447,11 @@ static void* ChooseVirtualBase(size_t virtual_size) {
 
 static void* ChooseVirtualBase(size_t virtual_size) {
 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__sun__) || defined(__HAIKU__) || defined(__managarm__) || defined(__AIX__)
-    void* virtual_base = mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0);
+    void* virtual_base = mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER | MAP_NOCORE, -1, 0);
     if (virtual_base != MAP_FAILED)
         return virtual_base;
 #endif
-    return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
+    return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_NOCORE, -1, 0);
 }
 
 #endif
@@ -541,13 +545,13 @@ public:
         }
         if (use_anon) {
             LOG_WARNING(Common_Memory, "Using private mappings instead of shared ones");
-            backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0));
+            backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE | MAP_NOCORE, -1, 0));
             if (fd > 0) {
                 fd = -1;
                 close(fd);
             }
         } else {
-            backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
+            backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_NOCORE, fd, 0));
         }
         if (backing_base == MAP_FAILED) {
             LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));