From 8143cada46be6c3f66c0d5c906d19563e7cd99f4 Mon Sep 17 00:00:00 2001
From: PavelBARABANOV <pavelbarabanov94@gmail.com>
Date: Wed, 27 Aug 2025 21:38:49 +0300
Subject: [PATCH] android toggle

---
 .../yuzu_emu/features/settings/model/BooleanSetting.kt     | 1 +
 .../yuzu_emu/features/settings/model/view/SettingsItem.kt  | 7 +++++++
 .../features/settings/ui/SettingsFragmentPresenter.kt      | 1 +
 src/android/app/src/main/res/values/strings.xml            | 2 ++
 4 files changed, 11 insertions(+)

diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt
index 21a159676d..30f859a761 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt
@@ -18,6 +18,7 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     USE_FAST_CPU_TIME("use_fast_cpu_time"),
     USE_CUSTOM_CPU_TICKS("use_custom_cpu_ticks"),
     SKIP_CPU_INNER_INVALIDATION("skip_cpu_inner_invalidation"),
+    CPUOPT_UNSAFE_MMU("cpuopt_unsafe_mmu"),
     USE_DOCKED_MODE("use_docked_mode"),
     USE_AUTO_STUB("use_auto_stub"),
     RENDERER_USE_DISK_SHADER_CACHE("use_disk_shader_cache"),
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt
index 062038aa44..e7a749176c 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt
@@ -673,6 +673,13 @@ abstract class SettingsItem(
                     descriptionId = R.string.skip_cpu_inner_invalidation_description
                 )
             )
+            put(
+                SwitchSetting(
+                    BooleanSetting.CPUOPT_UNSAFE_MMU,
+                    titleId = R.string.cpuopt_unsafe_mmu,
+                    descriptionId = R.string.cpuopt_unsafe_mmu_description
+                )
+            )
             put(
                 SwitchSetting(
                     BooleanSetting.RENDERER_REACTIVE_FLUSHING,
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt
index 672bcd492c..97a074266d 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt
@@ -466,6 +466,7 @@ class SettingsFragmentPresenter(
             add(BooleanSetting.USE_CUSTOM_CPU_TICKS.key)
             add(IntSetting.CPU_TICKS.key)
             add(BooleanSetting.SKIP_CPU_INNER_INVALIDATION.key)
+            add(BooleanSetting.CPUOPT_UNSAFE_MMU.key)
             add(BooleanSetting.USE_LRU_CACHE.key)
             add(BooleanSetting.CORE_SYNC_CORE_SPEED.key)
             add(BooleanSetting.SYNC_MEMORY_OPERATIONS.key)
diff --git a/src/android/app/src/main/res/values/strings.xml b/src/android/app/src/main/res/values/strings.xml
index 975bd1741a..15a6feccf2 100644
--- a/src/android/app/src/main/res/values/strings.xml
+++ b/src/android/app/src/main/res/values/strings.xml
@@ -109,6 +109,8 @@
     <string name="cpu_ticks">Ticks</string>
     <string name="skip_cpu_inner_invalidation">Skip CPU Inner Invalidation</string>
     <string name="skip_cpu_inner_invalidation_description">Skips certain CPU-side cache invalidations during memory updates, reducing CPU usage and improving it\'s performance. This may cause glitches or crashes on some games.</string>
+    <string name="cpuopt_unsafe_mmu">Enable Host MMU Emulation</string>
+    <string name="cpuopt_unsafe_mmu_description">This optimization speeds up memory accesses by the guest program.\nEnabling it causes guest memory reads/writes to be done directly into memory and make use of Host's MMU. Disabling this forces all memory accesses to use Software MMU Emulation.</string>
     <string name="fast_cpu_time">CPU Clock</string>
     <string name="fast_cpu_time_description">Use Boost (1700MHz) to run at the Switch\'s highest native clock, or Fast (2000MHz) to run at 2x clock.</string>
     <string name="memory_layout">Memory Layout</string>