early-access version 3962

README.md

@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 3961.
+This is the source code for early-access 3962.
 
 ## Legal Notice
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -462,12 +462,12 @@ object NativeLibrary {
     }
 
     fun setEmulationActivity(emulationActivity: EmulationActivity?) {
-        Log.verbose("[NativeLibrary] Registering EmulationActivity.")
+        Log.debug("[NativeLibrary] Registering EmulationActivity.")
         sEmulationActivity = WeakReference(emulationActivity)
     }
 
     fun clearEmulationActivity() {
-        Log.verbose("[NativeLibrary] Unregistering EmulationActivity.")
+        Log.debug("[NativeLibrary] Unregistering EmulationActivity.")
         sEmulationActivity.clear()
     }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt

@@ -47,6 +47,7 @@ import org.yuzu.yuzu_emu.model.EmulationViewModel
 import org.yuzu.yuzu_emu.model.Game
 import org.yuzu.yuzu_emu.utils.ForegroundService
 import org.yuzu.yuzu_emu.utils.InputHandler
+import org.yuzu.yuzu_emu.utils.Log
 import org.yuzu.yuzu_emu.utils.MemoryUtil
 import org.yuzu.yuzu_emu.utils.NfcReader
 import org.yuzu.yuzu_emu.utils.ThemeHelper
@@ -80,6 +81,7 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        Log.gameLaunched = true
         ThemeHelper.setTheme(this)
 
         super.onCreate(savedInstanceState)

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/HomeSettingsFragment.kt

@@ -42,6 +42,7 @@ import org.yuzu.yuzu_emu.model.HomeViewModel
 import org.yuzu.yuzu_emu.ui.main.MainActivity
 import org.yuzu.yuzu_emu.utils.FileUtil
 import org.yuzu.yuzu_emu.utils.GpuDriverHelper
+import org.yuzu.yuzu_emu.utils.Log
 
 class HomeSettingsFragment : Fragment() {
     private var _binding: FragmentHomeSettingsBinding? = null
@@ -312,19 +313,32 @@ class HomeSettingsFragment : Fragment() {
         }
     }
 
+    // Share the current log if we just returned from a game but share the old log
+    // if we just started the app and the old log exists.
     private fun shareLog() {
-        val file = DocumentFile.fromSingleUri(
+        val currentLog = DocumentFile.fromSingleUri(
             mainActivity,
             DocumentsContract.buildDocumentUri(
                 DocumentProvider.AUTHORITY,
                 "${DocumentProvider.ROOT_ID}/log/yuzu_log.txt"
             )
         )!!
-        if (file.exists()) {
+        val oldLog = DocumentFile.fromSingleUri(
-            val intent = Intent(Intent.ACTION_SEND)
+            mainActivity,
-                .setDataAndType(file.uri, FileUtil.TEXT_PLAIN)
+            DocumentsContract.buildDocumentUri(
-                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                DocumentProvider.AUTHORITY,
-                .putExtra(Intent.EXTRA_STREAM, file.uri)
+                "${DocumentProvider.ROOT_ID}/log/yuzu_log.txt.old.txt"
+            )
+        )!!
+
+        val intent = Intent(Intent.ACTION_SEND)
+            .setDataAndType(currentLog.uri, FileUtil.TEXT_PLAIN)
+            .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+        if (!Log.gameLaunched && oldLog.exists()) {
+            intent.putExtra(Intent.EXTRA_STREAM, oldLog.uri)
+            startActivity(Intent.createChooser(intent, getText(R.string.share_log)))
+        } else if (currentLog.exists()) {
+            intent.putExtra(Intent.EXTRA_STREAM, currentLog.uri)
             startActivity(Intent.createChooser(intent, getText(R.string.share_log)))
         } else {
             Toast.makeText(

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

@@ -68,7 +68,7 @@ object InputHandler {
     private fun getPlayerNumber(index: Int, deviceId: Int = -1): Int {
         var deviceIndex = index
         if (deviceId != -1) {
-            deviceIndex = controllerIds[deviceId]!!
+            deviceIndex = controllerIds[deviceId] ?: 0
         }
 
         // TODO: Joycons are handled as different controllers. Find a way to merge them.

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

@@ -3,38 +3,17 @@
 
 package org.yuzu.yuzu_emu.utils
 
-import android.util.Log
-import org.yuzu.yuzu_emu.BuildConfig
-
-/**
- * Contains methods that call through to [android.util.Log], but
- * with the same TAG automatically provided. Also no-ops VERBOSE and DEBUG log
- * levels in release builds.
- */
 object Log {
-    private const val TAG = "Yuzu Frontend"
+    // Tracks whether we should share the old log or the current log
+    var gameLaunched = false
 
-    fun verbose(message: String) {
+    external fun debug(message: String)
-        if (BuildConfig.DEBUG) {
-            Log.v(TAG, message)
-        }
-    }
 
-    fun debug(message: String) {
+    external fun warning(message: String)
-        if (BuildConfig.DEBUG) {
-            Log.d(TAG, message)
-        }
-    }
 
-    fun info(message: String) {
+    external fun info(message: String)
-        Log.i(TAG, message)
-    }
 
-    fun warning(message: String) {
+    external fun error(message: String)
-        Log.w(TAG, message)
-    }
 
-    fun error(message: String) {
+    external fun critical(message: String)
-        Log.e(TAG, message)
-    }
 }

src/android/app/src/main/jni/CMakeLists.txt

@@ -18,6 +18,7 @@ add_library(yuzu-android SHARED
     native_config.cpp
     uisettings.cpp
     game_metadata.cpp
+    native_log.cpp
 )
 
 set_property(TARGET yuzu-android PROPERTY IMPORTED_LOCATION ${FFmpeg_LIBRARY_DIR})

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

@@ -248,6 +248,11 @@ void EmulationSession::ConfigureFilesystemProvider(const std::string& filepath)
 }
 
 void EmulationSession::InitializeSystem() {
+    // Initialize logging system
+    Common::Log::Initialize();
+    Common::Log::SetColorConsoleBackendEnabled(true);
+    Common::Log::Start();
+
     // Initialize filesystem.
     m_system.SetFilesystem(m_vfs);
     m_system.GetUserChannel().clear();
@@ -462,10 +467,6 @@ void EmulationSession::OnEmulationStopped(Core::SystemResultStatus result) {
 }
 
 static Core::SystemResultStatus RunEmulation(const std::string& filepath) {
-    Common::Log::Initialize();
-    Common::Log::SetColorConsoleBackendEnabled(true);
-    Common::Log::Start();
-
     MicroProfileOnThreadCreate("EmuThread");
     SCOPE_EXIT({ MicroProfileShutdown(); });
 

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

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <common/logging/log.h>
+#include <jni.h>
+
+#include "android_common/android_common.h"
+
+extern "C" {
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_debug(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_DEBUG(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_warning(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_WARNING(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_info(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_INFO(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_error(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_ERROR(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_critical(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_CRITICAL(Frontend, "{}", GetJString(env, jmessage));
+}
+
+} // extern "C"

src/common/page_table.cpp

@@ -9,12 +9,12 @@ PageTable::PageTable() = default;
 
 PageTable::~PageTable() noexcept = default;
 
-bool PageTable::BeginTraversal(TraversalEntry& out_entry, TraversalContext& out_context,
+bool PageTable::BeginTraversal(TraversalEntry* out_entry, TraversalContext* out_context,
-                               u64 address) const {
+                               Common::ProcessAddress address) const {
     // Setup invalid defaults.
-    out_entry.phys_addr = 0;
+    out_entry->phys_addr = 0;
-    out_entry.block_size = page_size;
+    out_entry->block_size = page_size;
-    out_context.next_page = 0;
+    out_context->next_page = 0;
 
     // Validate that we can read the actual entry.
     const auto page = address / page_size;
@@ -29,20 +29,20 @@ bool PageTable::BeginTraversal(TraversalEntry& out_entry, TraversalContext& out_
     }
 
     // Populate the results.
-    out_entry.phys_addr = phys_addr + address;
+    out_entry->phys_addr = phys_addr + GetInteger(address);
-    out_context.next_page = page + 1;
+    out_context->next_page = page + 1;
-    out_context.next_offset = address + page_size;
+    out_context->next_offset = GetInteger(address) + page_size;
 
     return true;
 }
 
-bool PageTable::ContinueTraversal(TraversalEntry& out_entry, TraversalContext& context) const {
+bool PageTable::ContinueTraversal(TraversalEntry* out_entry, TraversalContext* context) const {
     // Setup invalid defaults.
-    out_entry.phys_addr = 0;
+    out_entry->phys_addr = 0;
-    out_entry.block_size = page_size;
+    out_entry->block_size = page_size;
 
     // Validate that we can read the actual entry.
-    const auto page = context.next_page;
+    const auto page = context->next_page;
     if (page >= backing_addr.size()) {
         return false;
     }
@@ -54,9 +54,9 @@ bool PageTable::ContinueTraversal(TraversalEntry& out_entry, TraversalContext& c
     }
 
     // Populate the results.
-    out_entry.phys_addr = phys_addr + context.next_offset;
+    out_entry->phys_addr = phys_addr + context->next_offset;
-    context.next_page = page + 1;
+    context->next_page = page + 1;
-    context.next_offset += page_size;
+    context->next_offset += page_size;
 
     return true;
 }

src/common/page_table.h

@@ -6,6 +6,7 @@
 #include <atomic>
 
 #include "common/common_types.h"
+#include "common/typed_address.h"
 #include "common/virtual_buffer.h"
 
 namespace Common {
@@ -100,9 +101,9 @@ struct PageTable {
     PageTable(PageTable&&) noexcept = default;
     PageTable& operator=(PageTable&&) noexcept = default;
 
-    bool BeginTraversal(TraversalEntry& out_entry, TraversalContext& out_context,
+    bool BeginTraversal(TraversalEntry* out_entry, TraversalContext* out_context,
-                        u64 address) const;
+                        Common::ProcessAddress address) const;
-    bool ContinueTraversal(TraversalEntry& out_entry, TraversalContext& context) const;
+    bool ContinueTraversal(TraversalEntry* out_entry, TraversalContext* context) const;
 
     /**
      * Resizes the page table to be able to accommodate enough pages within
@@ -117,6 +118,16 @@ struct PageTable {
         return current_address_space_width_in_bits;
     }
 
+    bool GetPhysicalAddress(Common::PhysicalAddress* out_phys_addr,
+                            Common::ProcessAddress virt_addr) const {
+        if (virt_addr > (1ULL << this->GetAddressSpaceBits())) {
+            return false;
+        }
+
+        *out_phys_addr = backing_addr[virt_addr / page_size] + GetInteger(virt_addr);
+        return true;
+    }
+
     /**
      * Vector of memory pointers backing each page. An entry can only be non-null if the
      * corresponding attribute element is of type `Memory`.

src/core/CMakeLists.txt

@@ -271,8 +271,9 @@ add_library(core STATIC
     hle/kernel/k_page_heap.h
     hle/kernel/k_page_group.cpp
     hle/kernel/k_page_group.h
-    hle/kernel/k_page_table.cpp
     hle/kernel/k_page_table.h
+    hle/kernel/k_page_table_base.cpp
+    hle/kernel/k_page_table_base.h
     hle/kernel/k_page_table_manager.h
     hle/kernel/k_page_table_slab_heap.h
     hle/kernel/k_port.cpp
@@ -280,6 +281,7 @@ add_library(core STATIC
     hle/kernel/k_priority_queue.h
     hle/kernel/k_process.cpp
     hle/kernel/k_process.h
+    hle/kernel/k_process_page_table.h
     hle/kernel/k_readable_event.cpp
     hle/kernel/k_readable_event.h
     hle/kernel/k_resource_limit.cpp
@@ -330,8 +332,6 @@ add_library(core STATIC
     hle/kernel/physical_core.cpp
     hle/kernel/physical_core.h
     hle/kernel/physical_memory.h
-    hle/kernel/process_capability.cpp
-    hle/kernel/process_capability.h
     hle/kernel/slab_helpers.h
     hle/kernel/svc.cpp
     hle/kernel/svc.h
@@ -715,6 +715,7 @@ add_library(core STATIC
     hle/service/nvnflinger/producer_listener.h
     hle/service/nvnflinger/status.h
     hle/service/nvnflinger/ui/fence.h
+    hle/service/nvnflinger/ui/graphic_buffer.cpp
     hle/service/nvnflinger/ui/graphic_buffer.h
     hle/service/nvnflinger/window.h
     hle/service/olsc/olsc.cpp

src/core/debugger/gdbstub.cpp

@@ -727,29 +727,34 @@ static constexpr const char* GetMemoryPermissionString(const Kernel::Svc::Memory
     }
 }
 
-static VAddr GetModuleEnd(Kernel::KPageTable& page_table, VAddr base) {
+static VAddr GetModuleEnd(Kernel::KProcessPageTable& page_table, VAddr base) {
-    Kernel::Svc::MemoryInfo mem_info;
+    Kernel::KMemoryInfo mem_info;
+    Kernel::Svc::MemoryInfo svc_mem_info;
+    Kernel::Svc::PageInfo page_info;
     VAddr cur_addr{base};
 
     // Expect: r-x Code (.text)
-    mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
+    R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info), cur_addr));
-    cur_addr = mem_info.base_address + mem_info.size;
+    svc_mem_info = mem_info.GetSvcMemoryInfo();
-    if (mem_info.state != Kernel::Svc::MemoryState::Code ||
+    cur_addr = svc_mem_info.base_address + svc_mem_info.size;
-        mem_info.permission != Kernel::Svc::MemoryPermission::ReadExecute) {
+    if (svc_mem_info.state != Kernel::Svc::MemoryState::Code ||
+        svc_mem_info.permission != Kernel::Svc::MemoryPermission::ReadExecute) {
         return cur_addr - 1;
     }
 
     // Expect: r-- Code (.rodata)
-    mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
+    R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info), cur_addr));
-    cur_addr = mem_info.base_address + mem_info.size;
+    svc_mem_info = mem_info.GetSvcMemoryInfo();
-    if (mem_info.state != Kernel::Svc::MemoryState::Code ||
+    cur_addr = svc_mem_info.base_address + svc_mem_info.size;
-        mem_info.permission != Kernel::Svc::MemoryPermission::Read) {
+    if (svc_mem_info.state != Kernel::Svc::MemoryState::Code ||
+        svc_mem_info.permission != Kernel::Svc::MemoryPermission::Read) {
         return cur_addr - 1;
     }
 
     // Expect: rw- CodeData (.data)
-    mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
+    R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info), cur_addr));
-    cur_addr = mem_info.base_address + mem_info.size;
+    svc_mem_info = mem_info.GetSvcMemoryInfo();
+    cur_addr = svc_mem_info.base_address + svc_mem_info.size;
     return cur_addr - 1;
 }
 
@@ -767,7 +772,7 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
 
     if (command_str == "get fastmem") {
         if (Settings::IsFastmemEnabled()) {
-            const auto& impl = page_table.PageTableImpl();
+            const auto& impl = page_table.GetImpl();
             const auto region = reinterpret_cast<uintptr_t>(impl.fastmem_arena);
             const auto region_bits = impl.current_address_space_width_in_bits;
             const auto region_size = 1ULL << region_bits;
@@ -785,20 +790,22 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
         reply = fmt::format("Process:     {:#x} ({})\n"
                             "Program Id:  {:#018x}\n",
                             process->GetProcessId(), process->GetName(), process->GetProgramId());
-        reply += fmt::format("Layout:\n"
+        reply += fmt::format(
-                             "  Alias: {:#012x} - {:#012x}\n"
+            "Layout:\n"
-                             "  Heap:  {:#012x} - {:#012x}\n"
+            "  Alias: {:#012x} - {:#012x}\n"
-                             "  Aslr:  {:#012x} - {:#012x}\n"
+            "  Heap:  {:#012x} - {:#012x}\n"
-                             "  Stack: {:#012x} - {:#012x}\n"
+            "  Aslr:  {:#012x} - {:#012x}\n"
-                             "Modules:\n",
+            "  Stack: {:#012x} - {:#012x}\n"
-                             GetInteger(page_table.GetAliasRegionStart()),
+            "Modules:\n",
-                             GetInteger(page_table.GetAliasRegionEnd()),
+            GetInteger(page_table.GetAliasRegionStart()),
-                             GetInteger(page_table.GetHeapRegionStart()),
+            GetInteger(page_table.GetAliasRegionStart()) + page_table.GetAliasRegionSize() - 1,
-                             GetInteger(page_table.GetHeapRegionEnd()),
+            GetInteger(page_table.GetHeapRegionStart()),
-                             GetInteger(page_table.GetAliasCodeRegionStart()),
+            GetInteger(page_table.GetHeapRegionStart()) + page_table.GetHeapRegionSize() - 1,
-                             GetInteger(page_table.GetAliasCodeRegionEnd()),
+            GetInteger(page_table.GetAliasCodeRegionStart()),
-                             GetInteger(page_table.GetStackRegionStart()),
+            GetInteger(page_table.GetAliasCodeRegionStart()) + page_table.GetAliasCodeRegionSize() -
-                             GetInteger(page_table.GetStackRegionEnd()));
+                1,
+            GetInteger(page_table.GetStackRegionStart()),
+            GetInteger(page_table.GetStackRegionStart()) + page_table.GetStackRegionSize() - 1);
 
         for (const auto& [vaddr, name] : modules) {
             reply += fmt::format("  {:#012x} - {:#012x} {}\n", vaddr,
@@ -811,27 +818,34 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
         while (true) {
             using MemoryAttribute = Kernel::Svc::MemoryAttribute;
 
-            auto mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
+            Kernel::KMemoryInfo mem_info{};
+            Kernel::Svc::PageInfo page_info{};
+            R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info),
+                                          cur_addr));
+            auto svc_mem_info = mem_info.GetSvcMemoryInfo();
 
-            if (mem_info.state != Kernel::Svc::MemoryState::Inaccessible ||
+            if (svc_mem_info.state != Kernel::Svc::MemoryState::Inaccessible ||
-                mem_info.base_address + mem_info.size - 1 != std::numeric_limits<u64>::max()) {
+                svc_mem_info.base_address + svc_mem_info.size - 1 !=
-                const char* state = GetMemoryStateName(mem_info.state);
+                    std::numeric_limits<u64>::max()) {
-                const char* perm = GetMemoryPermissionString(mem_info);
+                const char* state = GetMemoryStateName(svc_mem_info.state);
+                const char* perm = GetMemoryPermissionString(svc_mem_info);
 
-                const char l = True(mem_info.attribute & MemoryAttribute::Locked) ? 'L' : '-';
+                const char l = True(svc_mem_info.attribute & MemoryAttribute::Locked) ? 'L' : '-';
-                const char i = True(mem_info.attribute & MemoryAttribute::IpcLocked) ? 'I' : '-';
+                const char i =
-                const char d = True(mem_info.attribute & MemoryAttribute::DeviceShared) ? 'D' : '-';
+                    True(svc_mem_info.attribute & MemoryAttribute::IpcLocked) ? 'I' : '-';
-                const char u = True(mem_info.attribute & MemoryAttribute::Uncached) ? 'U' : '-';
+                const char d =
+                    True(svc_mem_info.attribute & MemoryAttribute::DeviceShared) ? 'D' : '-';
+                const char u = True(svc_mem_info.attribute & MemoryAttribute::Uncached) ? 'U' : '-';
                 const char p =
-                    True(mem_info.attribute & MemoryAttribute::PermissionLocked) ? 'P' : '-';
+                    True(svc_mem_info.attribute & MemoryAttribute::PermissionLocked) ? 'P' : '-';
 
-                reply += fmt::format("  {:#012x} - {:#012x} {} {} {}{}{}{}{} [{}, {}]\n",
+                reply += fmt::format(
-                                     mem_info.base_address,
+                    "  {:#012x} - {:#012x} {} {} {}{}{}{}{} [{}, {}]\n", svc_mem_info.base_address,
-                                     mem_info.base_address + mem_info.size - 1, perm, state, l, i,
+                    svc_mem_info.base_address + svc_mem_info.size - 1, perm, state, l, i, d, u, p,
-                                     d, u, p, mem_info.ipc_count, mem_info.device_count);
+                    svc_mem_info.ipc_count, svc_mem_info.device_count);
             }
 
-            const uintptr_t next_address = mem_info.base_address + mem_info.size;
+            const uintptr_t next_address = svc_mem_info.base_address + svc_mem_info.size;
             if (next_address <= cur_addr) {
                 break;
             }

src/core/hid/emulated_controller.cpp

@@ -1091,30 +1091,30 @@ void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callbac
 
     bool is_charging = false;
     bool is_powered = false;
-    NpadBatteryLevel battery_level = 0;
+    NpadBatteryLevel battery_level = NpadBatteryLevel::Empty;
     switch (controller.battery_values[index]) {
     case Common::Input::BatteryLevel::Charging:
         is_charging = true;
         is_powered = true;
-        battery_level = 6;
+        battery_level = NpadBatteryLevel::Full;
         break;
     case Common::Input::BatteryLevel::Medium:
-        battery_level = 6;
+        battery_level = NpadBatteryLevel::High;
         break;
     case Common::Input::BatteryLevel::Low:
-        battery_level = 4;
+        battery_level = NpadBatteryLevel::Low;
         break;
     case Common::Input::BatteryLevel::Critical:
-        battery_level = 2;
+        battery_level = NpadBatteryLevel::Critical;
         break;
     case Common::Input::BatteryLevel::Empty:
-        battery_level = 0;
+        battery_level = NpadBatteryLevel::Empty;
         break;
     case Common::Input::BatteryLevel::None:
     case Common::Input::BatteryLevel::Full:
     default:
         is_powered = true;
-        battery_level = 8;
+        battery_level = NpadBatteryLevel::Full;
         break;
     }
 

src/core/hid/hid_types.h

@@ -302,6 +302,15 @@ enum class TouchScreenModeForNx : u8 {
     Heat2,
 };
 
+// This is nn::hid::system::NpadBatteryLevel
+enum class NpadBatteryLevel : u32 {
+    Empty,
+    Critical,
+    Low,
+    High,
+    Full,
+};
+
 // This is nn::hid::NpadStyleTag
 struct NpadStyleTag {
     union {
@@ -385,16 +394,12 @@ struct NpadGcTriggerState {
 };
 static_assert(sizeof(NpadGcTriggerState) == 0x10, "NpadGcTriggerState is an invalid size");
 
-// This is nn::hid::system::NpadBatteryLevel
-using NpadBatteryLevel = u32;
-static_assert(sizeof(NpadBatteryLevel) == 0x4, "NpadBatteryLevel is an invalid size");
-
 // This is nn::hid::system::NpadPowerInfo
 struct NpadPowerInfo {
     bool is_powered{};
     bool is_charging{};
     INSERT_PADDING_BYTES(0x6);
-    NpadBatteryLevel battery_level{8};
+    NpadBatteryLevel battery_level{NpadBatteryLevel::Full};
 };
 static_assert(sizeof(NpadPowerInfo) == 0xC, "NpadPowerInfo is an invalid size");
 

src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp

@@ -222,7 +222,7 @@ Result KSystemControl::AllocateSecureMemory(KernelCore& kernel, KVirtualAddress*
     };
 
     // We succeeded.
-    *out = KPageTable::GetHeapVirtualAddress(kernel.MemoryLayout(), paddr);
+    *out = KPageTable::GetHeapVirtualAddress(kernel, paddr);
     R_SUCCEED();
 }
 
@@ -238,8 +238,17 @@ void KSystemControl::FreeSecureMemory(KernelCore& kernel, KVirtualAddress addres
     ASSERT(Common::IsAligned(size, alignment));
 
     // Close the secure region's pages.
-    kernel.MemoryManager().Close(KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), address),
+    kernel.MemoryManager().Close(KPageTable::GetHeapPhysicalAddress(kernel, address),
                                  size / PageSize);
 }
 
+// Insecure Memory.
+KResourceLimit* KSystemControl::GetInsecureMemoryResourceLimit(KernelCore& kernel) {
+    return kernel.GetSystemResourceLimit();
+}
+
+u32 KSystemControl::GetInsecureMemoryPool() {
+    return static_cast<u32>(KMemoryManager::Pool::SystemNonSecure);
+}
+
 } // namespace Kernel::Board::Nintendo::Nx

src/core/hle/kernel/board/nintendo/nx/k_system_control.h

@@ -8,7 +8,8 @@
 
 namespace Kernel {
 class KernelCore;
-}
+class KResourceLimit;
+} // namespace Kernel
 
 namespace Kernel::Board::Nintendo::Nx {
 
@@ -40,6 +41,10 @@ public:
                                        u32 pool);
     static void FreeSecureMemory(KernelCore& kernel, KVirtualAddress address, size_t size,
                                  u32 pool);
+
+    // Insecure Memory.
+    static KResourceLimit* GetInsecureMemoryResourceLimit(KernelCore& kernel);
+    static u32 GetInsecureMemoryPool();
 };
 
 } // namespace Kernel::Board::Nintendo::Nx

src/core/hle/kernel/k_capabilities.cpp

@@ -4,14 +4,15 @@
 #include "core/hardware_properties.h"
 #include "core/hle/kernel/k_capabilities.h"
 #include "core/hle/kernel/k_memory_layout.h"
-#include "core/hle/kernel/k_page_table.h"
+#include "core/hle/kernel/k_process_page_table.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/svc_results.h"
 #include "core/hle/kernel/svc_version.h"
 
 namespace Kernel {
 
-Result KCapabilities::InitializeForKip(std::span<const u32> kern_caps, KPageTable* page_table) {
+Result KCapabilities::InitializeForKip(std::span<const u32> kern_caps,
+                                       KProcessPageTable* page_table) {
     // We're initializing an initial process.
     m_svc_access_flags.reset();
     m_irq_access_flags.reset();
@@ -41,7 +42,8 @@ Result KCapabilities::InitializeForKip(std::span<const u32> kern_caps, KPageTabl
     R_RETURN(this->SetCapabilities(kern_caps, page_table));
 }
 
-Result KCapabilities::InitializeForUser(std::span<const u32> user_caps, KPageTable* page_table) {
+Result KCapabilities::InitializeForUser(std::span<const u32> user_caps,
+                                        KProcessPageTable* page_table) {
     // We're initializing a user process.
     m_svc_access_flags.reset();
     m_irq_access_flags.reset();
@@ -121,7 +123,7 @@ Result KCapabilities::SetSyscallMaskCapability(const u32 cap, u32& set_svc) {
     R_SUCCEED();
 }
 
-Result KCapabilities::MapRange_(const u32 cap, const u32 size_cap, KPageTable* page_table) {
+Result KCapabilities::MapRange_(const u32 cap, const u32 size_cap, KProcessPageTable* page_table) {
     const auto range_pack = MapRange{cap};
     const auto size_pack = MapRangeSize{size_cap};
 
@@ -142,16 +144,13 @@ Result KCapabilities::MapRange_(const u32 cap, const u32 size_cap, KPageTable* p
                                                         ? KMemoryPermission::UserRead
                                                         : KMemoryPermission::UserReadWrite;
     if (MapRangeSize{size_cap}.normal) {
-        // R_RETURN(page_table->MapStatic(phys_addr, size, perm));
+        R_RETURN(page_table->MapStatic(phys_addr, size, perm));
     } else {
-        // R_RETURN(page_table->MapIo(phys_addr, size, perm));
+        R_RETURN(page_table->MapIo(phys_addr, size, perm));
     }
-
-    UNIMPLEMENTED();
-    R_SUCCEED();
 }
 
-Result KCapabilities::MapIoPage_(const u32 cap, KPageTable* page_table) {
+Result KCapabilities::MapIoPage_(const u32 cap, KProcessPageTable* page_table) {
     // Get/validate address/size
     const u64 phys_addr = MapIoPage{cap}.address.Value() * PageSize;
     const size_t num_pages = 1;
@@ -160,10 +159,7 @@ Result KCapabilities::MapIoPage_(const u32 cap, KPageTable* page_table) {
     R_UNLESS(((phys_addr + size - 1) & ~PhysicalMapAllowedMask) == 0, ResultInvalidAddress);
 
     // Do the mapping.
-    // R_RETURN(page_table->MapIo(phys_addr, size, KMemoryPermission_UserReadWrite));
+    R_RETURN(page_table->MapIo(phys_addr, size, KMemoryPermission::UserReadWrite));
-
-    UNIMPLEMENTED();
-    R_SUCCEED();
 }
 
 template <typename F>
@@ -200,13 +196,11 @@ Result KCapabilities::ProcessMapRegionCapability(const u32 cap, F f) {
     R_SUCCEED();
 }
 
-Result KCapabilities::MapRegion_(const u32 cap, KPageTable* page_table) {
+Result KCapabilities::MapRegion_(const u32 cap, KProcessPageTable* page_table) {
     // Map each region into the process's page table.
     return ProcessMapRegionCapability(
-        cap, [](KMemoryRegionType region_type, KMemoryPermission perm) -> Result {
+        cap, [page_table](KMemoryRegionType region_type, KMemoryPermission perm) -> Result {
-            // R_RETURN(page_table->MapRegion(region_type, perm));
+            R_RETURN(page_table->MapRegion(region_type, perm));
-            UNIMPLEMENTED();
-            R_SUCCEED();
         });
 }
 
@@ -280,7 +274,7 @@ Result KCapabilities::SetDebugFlagsCapability(const u32 cap) {
 }
 
 Result KCapabilities::SetCapability(const u32 cap, u32& set_flags, u32& set_svc,
-                                    KPageTable* page_table) {
+                                    KProcessPageTable* page_table) {
     // Validate this is a capability we can act on.
     const auto type = GetCapabilityType(cap);
     R_UNLESS(type != CapabilityType::Invalid, ResultInvalidArgument);
@@ -318,7 +312,7 @@ Result KCapabilities::SetCapability(const u32 cap, u32& set_flags, u32& set_svc,
     }
 }
 
-Result KCapabilities::SetCapabilities(std::span<const u32> caps, KPageTable* page_table) {
+Result KCapabilities::SetCapabilities(std::span<const u32> caps, KProcessPageTable* page_table) {
     u32 set_flags = 0, set_svc = 0;
 
     for (size_t i = 0; i < caps.size(); i++) {

src/core/hle/kernel/k_capabilities.h

@@ -15,15 +15,15 @@
 
 namespace Kernel {
 
-class KPageTable;
+class KProcessPageTable;
 class KernelCore;
 
 class KCapabilities {
 public:
     constexpr explicit KCapabilities() = default;
 
-    Result InitializeForKip(std::span<const u32> kern_caps, KPageTable* page_table);
+    Result InitializeForKip(std::span<const u32> kern_caps, KProcessPageTable* page_table);
-    Result InitializeForUser(std::span<const u32> user_caps, KPageTable* page_table);
+    Result InitializeForUser(std::span<const u32> user_caps, KProcessPageTable* page_table);
 
     static Result CheckCapabilities(KernelCore& kernel, std::span<const u32> user_caps);
 
@@ -264,9 +264,9 @@ private:
 
     Result SetCorePriorityCapability(const u32 cap);
     Result SetSyscallMaskCapability(const u32 cap, u32& set_svc);
-    Result MapRange_(const u32 cap, const u32 size_cap, KPageTable* page_table);
+    Result MapRange_(const u32 cap, const u32 size_cap, KProcessPageTable* page_table);
-    Result MapIoPage_(const u32 cap, KPageTable* page_table);
+    Result MapIoPage_(const u32 cap, KProcessPageTable* page_table);
-    Result MapRegion_(const u32 cap, KPageTable* page_table);
+    Result MapRegion_(const u32 cap, KProcessPageTable* page_table);
     Result SetInterruptPairCapability(const u32 cap);
     Result SetProgramTypeCapability(const u32 cap);
     Result SetKernelVersionCapability(const u32 cap);
@@ -277,8 +277,9 @@ private:
     static Result ProcessMapRegionCapability(const u32 cap, F f);
     static Result CheckMapRegion(KernelCore& kernel, const u32 cap);
 
-    Result SetCapability(const u32 cap, u32& set_flags, u32& set_svc, KPageTable* page_table);
+    Result SetCapability(const u32 cap, u32& set_flags, u32& set_svc,
-    Result SetCapabilities(std::span<const u32> caps, KPageTable* page_table);
+                         KProcessPageTable* page_table);
+    Result SetCapabilities(std::span<const u32> caps, KProcessPageTable* page_table);
 
 private:
     Svc::SvcAccessFlagSet m_svc_access_flags{};

src/core/hle/kernel/k_device_address_space.cpp

@@ -54,7 +54,7 @@ Result KDeviceAddressSpace::Detach(Svc::DeviceName device_name) {
     R_SUCCEED();
 }
 
-Result KDeviceAddressSpace::Map(KPageTable* page_table, KProcessAddress process_address,
+Result KDeviceAddressSpace::Map(KProcessPageTable* page_table, KProcessAddress process_address,
                                 size_t size, u64 device_address, u32 option, bool is_aligned) {
     // Check that the address falls within the space.
     R_UNLESS((m_space_address <= device_address &&
@@ -113,7 +113,7 @@ Result KDeviceAddressSpace::Map(KPageTable* page_table, KProcessAddress process_
     R_SUCCEED();
 }
 
-Result KDeviceAddressSpace::Unmap(KPageTable* page_table, KProcessAddress process_address,
+Result KDeviceAddressSpace::Unmap(KProcessPageTable* page_table, KProcessAddress process_address,
                                   size_t size, u64 device_address) {
     // Check that the address falls within the space.
     R_UNLESS((m_space_address <= device_address &&

src/core/hle/kernel/k_device_address_space.h

@@ -5,7 +5,7 @@
 
 #include <string>
 
-#include "core/hle/kernel/k_page_table.h"
+#include "core/hle/kernel/k_process_page_table.h"
 #include "core/hle/kernel/k_typed_address.h"
 #include "core/hle/kernel/slab_helpers.h"
 #include "core/hle/result.h"
@@ -31,23 +31,23 @@ public:
     Result Attach(Svc::DeviceName device_name);
     Result Detach(Svc::DeviceName device_name);
 
-    Result MapByForce(KPageTable* page_table, KProcessAddress process_address, size_t size,
+    Result MapByForce(KProcessPageTable* page_table, KProcessAddress process_address, size_t size,
                       u64 device_address, u32 option) {
         R_RETURN(this->Map(page_table, process_address, size, device_address, option, false));
     }
 
-    Result MapAligned(KPageTable* page_table, KProcessAddress process_address, size_t size,
+    Result MapAligned(KProcessPageTable* page_table, KProcessAddress process_address, size_t size,
                       u64 device_address, u32 option) {
         R_RETURN(this->Map(page_table, process_address, size, device_address, option, true));
     }
 
-    Result Unmap(KPageTable* page_table, KProcessAddress process_address, size_t size,
+    Result Unmap(KProcessPageTable* page_table, KProcessAddress process_address, size_t size,
                  u64 device_address);
 
     static void Initialize();
 
 private:
-    Result Map(KPageTable* page_table, KProcessAddress process_address, size_t size,
+    Result Map(KProcessPageTable* page_table, KProcessAddress process_address, size_t size,
                u64 device_address, u32 option, bool is_aligned);
 
 private:

src/core/hle/kernel/k_memory_layout.h

@@ -394,6 +394,14 @@ private:
         return region.GetEndAddress();
     }
 
+public:
+    static const KMemoryRegion* Find(const KMemoryLayout& layout, KVirtualAddress address) {
+        return Find(address, layout.GetVirtualMemoryRegionTree());
+    }
+    static const KMemoryRegion* Find(const KMemoryLayout& layout, KPhysicalAddress address) {
+        return Find(address, layout.GetPhysicalMemoryRegionTree());
+    }
+
 private:
     u64 m_linear_phys_to_virt_diff{};
     u64 m_linear_virt_to_phys_diff{};

src/core/hle/kernel/k_memory_manager.cpp

@@ -456,8 +456,7 @@ size_t KMemoryManager::Impl::Initialize(KPhysicalAddress address, size_t size,
 }
 
 void KMemoryManager::Impl::InitializeOptimizedMemory(KernelCore& kernel) {
-    auto optimize_pa =
+    auto optimize_pa = KPageTable::GetHeapPhysicalAddress(kernel, m_management_region);
-        KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region);
     auto* optimize_map = kernel.System().DeviceMemory().GetPointer<u64>(optimize_pa);
 
     std::memset(optimize_map, 0, CalculateOptimizedProcessOverheadSize(m_heap.GetSize()));
@@ -465,8 +464,7 @@ void KMemoryManager::Impl::InitializeOptimizedMemory(KernelCore& kernel) {
 
 void KMemoryManager::Impl::TrackUnoptimizedAllocation(KernelCore& kernel, KPhysicalAddress block,
                                                       size_t num_pages) {
-    auto optimize_pa =
+    auto optimize_pa = KPageTable::GetHeapPhysicalAddress(kernel, m_management_region);
-        KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region);
     auto* optimize_map = kernel.System().DeviceMemory().GetPointer<u64>(optimize_pa);
 
     // Get the range we're tracking.
@@ -485,8 +483,7 @@ void KMemoryManager::Impl::TrackUnoptimizedAllocation(KernelCore& kernel, KPhysi
 
 void KMemoryManager::Impl::TrackOptimizedAllocation(KernelCore& kernel, KPhysicalAddress block,
                                                     size_t num_pages) {
-    auto optimize_pa =
+    auto optimize_pa = KPageTable::GetHeapPhysicalAddress(kernel, m_management_region);
-        KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region);
     auto* optimize_map = kernel.System().DeviceMemory().GetPointer<u64>(optimize_pa);
 
     // Get the range we're tracking.
@@ -506,8 +503,7 @@ void KMemoryManager::Impl::TrackOptimizedAllocation(KernelCore& kernel, KPhysica
 bool KMemoryManager::Impl::ProcessOptimizedAllocation(KernelCore& kernel, KPhysicalAddress block,
                                                       size_t num_pages, u8 fill_pattern) {
     auto& device_memory = kernel.System().DeviceMemory();
-    auto optimize_pa =
+    auto optimize_pa = KPageTable::GetHeapPhysicalAddress(kernel, m_management_region);
-        KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region);
     auto* optimize_map = device_memory.GetPointer<u64>(optimize_pa);
 
     // We want to return whether any pages were newly allocated.

src/core/hle/kernel/k_page_table.h

@@ -3,548 +3,14 @@
 
 #pragma once
 
-#include <memory>
+#include "core/hle/kernel/k_page_table_base.h"
-
-#include "common/common_funcs.h"
-#include "common/page_table.h"
-#include "core/file_sys/program_metadata.h"
-#include "core/hle/kernel/k_dynamic_resource_manager.h"
-#include "core/hle/kernel/k_light_lock.h"
-#include "core/hle/kernel/k_memory_block.h"
-#include "core/hle/kernel/k_memory_block_manager.h"
-#include "core/hle/kernel/k_memory_layout.h"
-#include "core/hle/kernel/k_memory_manager.h"
-#include "core/hle/kernel/k_typed_address.h"
-#include "core/hle/result.h"
-#include "core/memory.h"
-
-namespace Core {
-class System;
-}
 
 namespace Kernel {
 
-enum class DisableMergeAttribute : u8 {
+class KPageTable final : public KPageTableBase {
-    None = (0U << 0),
-    DisableHead = (1U << 0),
-    DisableHeadAndBody = (1U << 1),
-    EnableHeadAndBody = (1U << 2),
-    DisableTail = (1U << 3),
-    EnableTail = (1U << 4),
-    EnableAndMergeHeadBodyTail = (1U << 5),
-    EnableHeadBodyTail = EnableHeadAndBody | EnableTail,
-    DisableHeadBodyTail = DisableHeadAndBody | DisableTail,
-};
-
-struct KPageProperties {
-    KMemoryPermission perm;
-    bool io;
-    bool uncached;
-    DisableMergeAttribute disable_merge_attributes;
-};
-static_assert(std::is_trivial_v<KPageProperties>);
-static_assert(sizeof(KPageProperties) == sizeof(u32));
-
-class KBlockInfoManager;
-class KMemoryBlockManager;
-class KResourceLimit;
-class KSystemResource;
-
-class KPageTable final {
-protected:
-    struct PageLinkedList;
-
 public:
-    enum class ICacheInvalidationStrategy : u32 { InvalidateRange, InvalidateAll };
+    explicit KPageTable(KernelCore& kernel) : KPageTableBase(kernel) {}
-
+    ~KPageTable() = default;
-    YUZU_NON_COPYABLE(KPageTable);
-    YUZU_NON_MOVEABLE(KPageTable);
-
-    explicit KPageTable(Core::System& system_);
-    ~KPageTable();
-
-    Result InitializeForProcess(Svc::CreateProcessFlag as_type, bool enable_aslr,
-                                bool enable_das_merge, bool from_back, KMemoryManager::Pool pool,
-                                KProcessAddress code_addr, size_t code_size,
-                                KSystemResource* system_resource, KResourceLimit* resource_limit,
-                                Core::Memory::Memory& memory);
-
-    void Finalize();
-
-    Result MapProcessCode(KProcessAddress addr, size_t pages_count, KMemoryState state,
-                          KMemoryPermission perm);
-    Result MapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
-    Result UnmapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
-                           ICacheInvalidationStrategy icache_invalidation_strategy);
-    Result UnmapProcessMemory(KProcessAddress dst_addr, size_t size, KPageTable& src_page_table,
-                              KProcessAddress src_addr);
-    Result MapPhysicalMemory(KProcessAddress addr, size_t size);
-    Result UnmapPhysicalMemory(KProcessAddress addr, size_t size);
-    Result MapMemory(KProcessAddress dst_addr, KProcessAddress src_addr, size_t size);
-    Result UnmapMemory(KProcessAddress dst_addr, KProcessAddress src_addr, size_t size);
-    Result SetProcessMemoryPermission(KProcessAddress addr, size_t size,
-                                      Svc::MemoryPermission svc_perm);
-    KMemoryInfo QueryInfo(KProcessAddress addr);
-    Result SetMemoryPermission(KProcessAddress addr, size_t size, Svc::MemoryPermission perm);
-    Result SetMemoryAttribute(KProcessAddress addr, size_t size, u32 mask, u32 attr);
-    Result SetMaxHeapSize(size_t size);
-    Result SetHeapSize(u64* out, size_t size);
-    Result LockForMapDeviceAddressSpace(bool* out_is_io, KProcessAddress address, size_t size,
-                                        KMemoryPermission perm, bool is_aligned, bool check_heap);
-    Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size, bool check_heap);
-
-    Result UnlockForDeviceAddressSpace(KProcessAddress addr, size_t size);
-
-    Result LockForIpcUserBuffer(KPhysicalAddress* out, KProcessAddress address, size_t size);
-    Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size);
-
-    Result SetupForIpc(KProcessAddress* out_dst_addr, size_t size, KProcessAddress src_addr,
-                       KPageTable& src_page_table, KMemoryPermission test_perm,
-                       KMemoryState dst_state, bool send);
-    Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state);
-    Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state);
-
-    Result LockForTransferMemory(KPageGroup* out, KProcessAddress address, size_t size,
-                                 KMemoryPermission perm);
-    Result UnlockForTransferMemory(KProcessAddress address, size_t size, const KPageGroup& pg);
-    Result LockForCodeMemory(KPageGroup* out, KProcessAddress addr, size_t size);
-    Result UnlockForCodeMemory(KProcessAddress addr, size_t size, const KPageGroup& pg);
-    Result MakeAndOpenPageGroup(KPageGroup* out, KProcessAddress address, size_t num_pages,
-                                KMemoryState state_mask, KMemoryState state,
-                                KMemoryPermission perm_mask, KMemoryPermission perm,
-                                KMemoryAttribute attr_mask, KMemoryAttribute attr);
-
-    Common::PageTable& PageTableImpl() {
-        return *m_page_table_impl;
-    }
-
-    const Common::PageTable& PageTableImpl() const {
-        return *m_page_table_impl;
-    }
-
-    KBlockInfoManager* GetBlockInfoManager() {
-        return m_block_info_manager;
-    }
-
-    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
-                    KPhysicalAddress phys_addr, KProcessAddress region_start,
-                    size_t region_num_pages, KMemoryState state, KMemoryPermission perm) {
-        R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, region_start,
-                                region_num_pages, state, perm));
-    }
-
-    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
-                    KPhysicalAddress phys_addr, KMemoryState state, KMemoryPermission perm) {
-        R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
-                                this->GetRegionAddress(state),
-                                this->GetRegionSize(state) / PageSize, state, perm));
-    }
-
-    Result MapPages(KProcessAddress* out_addr, size_t num_pages, KMemoryState state,
-                    KMemoryPermission perm) {
-        R_RETURN(this->MapPages(out_addr, num_pages, PageSize, 0, false,
-                                this->GetRegionAddress(state),
-                                this->GetRegionSize(state) / PageSize, state, perm));
-    }
-
-    Result MapPages(KProcessAddress address, size_t num_pages, KMemoryState state,
-                    KMemoryPermission perm);
-    Result UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state);
-
-    Result MapPageGroup(KProcessAddress* out_addr, const KPageGroup& pg,
-                        KProcessAddress region_start, size_t region_num_pages, KMemoryState state,
-                        KMemoryPermission perm);
-    Result MapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state,
-                        KMemoryPermission perm);
-    Result UnmapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state);
-    void RemapPageGroup(PageLinkedList* page_list, KProcessAddress address, size_t size,
-                        const KPageGroup& pg);
-
-    KProcessAddress GetRegionAddress(Svc::MemoryState state) const;
-    size_t GetRegionSize(Svc::MemoryState state) const;
-    bool CanContain(KProcessAddress addr, size_t size, Svc::MemoryState state) const;
-
-    KProcessAddress GetRegionAddress(KMemoryState state) const {
-        return this->GetRegionAddress(static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
-    }
-    size_t GetRegionSize(KMemoryState state) const {
-        return this->GetRegionSize(static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
-    }
-    bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const {
-        return this->CanContain(addr, size,
-                                static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
-    }
-
-protected:
-    struct PageLinkedList {
-    private:
-        struct Node {
-            Node* m_next;
-            std::array<u8, PageSize - sizeof(Node*)> m_buffer;
-        };
-
-    public:
-        constexpr PageLinkedList() = default;
-
-        void Push(Node* n) {
-            ASSERT(Common::IsAligned(reinterpret_cast<uintptr_t>(n), PageSize));
-            n->m_next = m_root;
-            m_root = n;
-        }
-
-        void Push(Core::Memory::Memory& memory, KVirtualAddress addr) {
-            this->Push(memory.GetPointer<Node>(GetInteger(addr)));
-        }
-
-        Node* Peek() const {
-            return m_root;
-        }
-
-        Node* Pop() {
-            Node* const r = m_root;
-
-            m_root = r->m_next;
-            r->m_next = nullptr;
-
-            return r;
-        }
-
-    private:
-        Node* m_root{};
-    };
-    static_assert(std::is_trivially_destructible<PageLinkedList>::value);
-
-private:
-    enum class OperationType : u32 {
-        Map = 0,
-        MapGroup = 1,
-        MapFirstGroup = 2,
-        Unmap = 3,
-        ChangePermissions = 4,
-        ChangePermissionsAndRefresh = 5,
-        ChangePermissionsAndRefreshAndFlush = 6,
-        Separate = 7,
-    };
-
-    static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr =
-        KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
-
-    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
-                    KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start,
-                    size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
-    bool IsRegionContiguous(KProcessAddress addr, u64 size) const;
-    void AddRegionToPages(KProcessAddress start, size_t num_pages, KPageGroup& page_linked_list);
-    KMemoryInfo QueryInfoImpl(KProcessAddress addr);
-    KProcessAddress AllocateVirtualMemory(KProcessAddress start, size_t region_num_pages,
-                                          u64 needed_num_pages, size_t align);
-    Result Operate(KProcessAddress addr, size_t num_pages, const KPageGroup& page_group,
-                   OperationType operation);
-    Result Operate(KProcessAddress addr, size_t num_pages, KMemoryPermission perm,
-                   OperationType operation, KPhysicalAddress map_addr = 0);
-    void FinalizeUpdate(PageLinkedList* page_list);
-
-    KProcessAddress FindFreeArea(KProcessAddress region_start, size_t region_num_pages,
-                                 size_t num_pages, size_t alignment, size_t offset,
-                                 size_t guard_pages);
-
-    Result CheckMemoryStateContiguous(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
-                                      KMemoryState state_mask, KMemoryState state,
-                                      KMemoryPermission perm_mask, KMemoryPermission perm,
-                                      KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
-    Result CheckMemoryStateContiguous(KProcessAddress addr, size_t size, KMemoryState state_mask,
-                                      KMemoryState state, KMemoryPermission perm_mask,
-                                      KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                      KMemoryAttribute attr) const {
-        R_RETURN(this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
-                                                  perm, attr_mask, attr));
-    }
-
-    Result CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, KMemoryState state,
-                            KMemoryPermission perm_mask, KMemoryPermission perm,
-                            KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
-    Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
-                            KMemoryAttribute* out_attr, size_t* out_blocks_needed,
-                            KMemoryBlockManager::const_iterator it, KProcessAddress last_addr,
-                            KMemoryState state_mask, KMemoryState state,
-                            KMemoryPermission perm_mask, KMemoryPermission perm,
-                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
-    Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
-                            KMemoryAttribute* out_attr, size_t* out_blocks_needed,
-                            KProcessAddress addr, size_t size, KMemoryState state_mask,
-                            KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
-                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
-    Result CheckMemoryState(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
-                            KMemoryState state_mask, KMemoryState state,
-                            KMemoryPermission perm_mask, KMemoryPermission perm,
-                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
-        R_RETURN(CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
-                                  state_mask, state, perm_mask, perm, attr_mask, attr,
-                                  ignore_attr));
-    }
-    Result CheckMemoryState(KProcessAddress addr, size_t size, KMemoryState state_mask,
-                            KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
-                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
-        R_RETURN(this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
-                                        attr_mask, attr, ignore_attr));
-    }
-
-    Result LockMemoryAndOpen(KPageGroup* out_pg, KPhysicalAddress* out_KPhysicalAddress,
-                             KProcessAddress addr, size_t size, KMemoryState state_mask,
-                             KMemoryState state, KMemoryPermission perm_mask,
-                             KMemoryPermission perm, KMemoryAttribute attr_mask,
-                             KMemoryAttribute attr, KMemoryPermission new_perm,
-                             KMemoryAttribute lock_attr);
-    Result UnlockMemory(KProcessAddress addr, size_t size, KMemoryState state_mask,
-                        KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
-                        KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                        KMemoryPermission new_perm, KMemoryAttribute lock_attr,
-                        const KPageGroup* pg);
-
-    Result MakePageGroup(KPageGroup& pg, KProcessAddress addr, size_t num_pages);
-    bool IsValidPageGroup(const KPageGroup& pg, KProcessAddress addr, size_t num_pages);
-
-    bool IsLockedByCurrentThread() const {
-        return m_general_lock.IsLockedByCurrentThread();
-    }
-
-    bool IsHeapPhysicalAddress(const KMemoryLayout& layout, KPhysicalAddress phys_addr) {
-        ASSERT(this->IsLockedByCurrentThread());
-
-        return layout.IsHeapPhysicalAddress(m_cached_physical_heap_region, phys_addr);
-    }
-
-    bool GetPhysicalAddressLocked(KPhysicalAddress* out, KProcessAddress virt_addr) const {
-        ASSERT(this->IsLockedByCurrentThread());
-
-        *out = GetPhysicalAddr(virt_addr);
-
-        return *out != 0;
-    }
-
-    Result SetupForIpcClient(PageLinkedList* page_list, size_t* out_blocks_needed,
-                             KProcessAddress address, size_t size, KMemoryPermission test_perm,
-                             KMemoryState dst_state);
-    Result SetupForIpcServer(KProcessAddress* out_addr, size_t size, KProcessAddress src_addr,
-                             KMemoryPermission test_perm, KMemoryState dst_state,
-                             KPageTable& src_page_table, bool send);
-    void CleanupForIpcClientOnServerSetupFailure(PageLinkedList* page_list, KProcessAddress address,
-                                                 size_t size, KMemoryPermission prot_perm);
-
-    Result AllocateAndMapPagesImpl(PageLinkedList* page_list, KProcessAddress address,
-                                   size_t num_pages, KMemoryPermission perm);
-    Result MapPageGroupImpl(PageLinkedList* page_list, KProcessAddress address,
-                            const KPageGroup& pg, const KPageProperties properties, bool reuse_ll);
-
-    mutable KLightLock m_general_lock;
-    mutable KLightLock m_map_physical_memory_lock;
-
-public:
-    constexpr KProcessAddress GetAddressSpaceStart() const {
-        return m_address_space_start;
-    }
-    constexpr KProcessAddress GetAddressSpaceEnd() const {
-        return m_address_space_end;
-    }
-    constexpr size_t GetAddressSpaceSize() const {
-        return m_address_space_end - m_address_space_start;
-    }
-    constexpr KProcessAddress GetHeapRegionStart() const {
-        return m_heap_region_start;
-    }
-    constexpr KProcessAddress GetHeapRegionEnd() const {
-        return m_heap_region_end;
-    }
-    constexpr size_t GetHeapRegionSize() const {
-        return m_heap_region_end - m_heap_region_start;
-    }
-    constexpr KProcessAddress GetAliasRegionStart() const {
-        return m_alias_region_start;
-    }
-    constexpr KProcessAddress GetAliasRegionEnd() const {
-        return m_alias_region_end;
-    }
-    constexpr size_t GetAliasRegionSize() const {
-        return m_alias_region_end - m_alias_region_start;
-    }
-    constexpr KProcessAddress GetStackRegionStart() const {
-        return m_stack_region_start;
-    }
-    constexpr KProcessAddress GetStackRegionEnd() const {
-        return m_stack_region_end;
-    }
-    constexpr size_t GetStackRegionSize() const {
-        return m_stack_region_end - m_stack_region_start;
-    }
-    constexpr KProcessAddress GetKernelMapRegionStart() const {
-        return m_kernel_map_region_start;
-    }
-    constexpr KProcessAddress GetKernelMapRegionEnd() const {
-        return m_kernel_map_region_end;
-    }
-    constexpr KProcessAddress GetCodeRegionStart() const {
-        return m_code_region_start;
-    }
-    constexpr KProcessAddress GetCodeRegionEnd() const {
-        return m_code_region_end;
-    }
-    constexpr KProcessAddress GetAliasCodeRegionStart() const {
-        return m_alias_code_region_start;
-    }
-    constexpr KProcessAddress GetAliasCodeRegionEnd() const {
-        return m_alias_code_region_end;
-    }
-    constexpr size_t GetAliasCodeRegionSize() const {
-        return m_alias_code_region_end - m_alias_code_region_start;
-    }
-    size_t GetNormalMemorySize() const {
-        KScopedLightLock lk(m_general_lock);
-        return GetHeapSize() + m_mapped_physical_memory_size;
-    }
-    constexpr size_t GetAddressSpaceWidth() const {
-        return m_address_space_width;
-    }
-    constexpr size_t GetHeapSize() const {
-        return m_current_heap_end - m_heap_region_start;
-    }
-    constexpr size_t GetNumGuardPages() const {
-        return IsKernel() ? 1 : 4;
-    }
-    KPhysicalAddress GetPhysicalAddr(KProcessAddress addr) const {
-        const auto backing_addr = m_page_table_impl->backing_addr[addr >> PageBits];
-        ASSERT(backing_addr);
-        return backing_addr + GetInteger(addr);
-    }
-    constexpr bool Contains(KProcessAddress addr) const {
-        return m_address_space_start <= addr && addr <= m_address_space_end - 1;
-    }
-    constexpr bool Contains(KProcessAddress addr, size_t size) const {
-        return m_address_space_start <= addr && addr < addr + size &&
-               addr + size - 1 <= m_address_space_end - 1;
-    }
-    constexpr bool IsInAliasRegion(KProcessAddress addr, size_t size) const {
-        return this->Contains(addr, size) && m_alias_region_start <= addr &&
-               addr + size - 1 <= m_alias_region_end - 1;
-    }
-    constexpr bool IsInHeapRegion(KProcessAddress addr, size_t size) const {
-        return this->Contains(addr, size) && m_heap_region_start <= addr &&
-               addr + size - 1 <= m_heap_region_end - 1;
-    }
-
-public:
-    static KVirtualAddress GetLinearMappedVirtualAddress(const KMemoryLayout& layout,
-                                                         KPhysicalAddress addr) {
-        return layout.GetLinearVirtualAddress(addr);
-    }
-
-    static KPhysicalAddress GetLinearMappedPhysicalAddress(const KMemoryLayout& layout,
-                                                           KVirtualAddress addr) {
-        return layout.GetLinearPhysicalAddress(addr);
-    }
-
-    static KVirtualAddress GetHeapVirtualAddress(const KMemoryLayout& layout,
-                                                 KPhysicalAddress addr) {
-        return GetLinearMappedVirtualAddress(layout, addr);
-    }
-
-    static KPhysicalAddress GetHeapPhysicalAddress(const KMemoryLayout& layout,
-                                                   KVirtualAddress addr) {
-        return GetLinearMappedPhysicalAddress(layout, addr);
-    }
-
-    static KVirtualAddress GetPageTableVirtualAddress(const KMemoryLayout& layout,
-                                                      KPhysicalAddress addr) {
-        return GetLinearMappedVirtualAddress(layout, addr);
-    }
-
-    static KPhysicalAddress GetPageTablePhysicalAddress(const KMemoryLayout& layout,
-                                                        KVirtualAddress addr) {
-        return GetLinearMappedPhysicalAddress(layout, addr);
-    }
-
-private:
-    constexpr bool IsKernel() const {
-        return m_is_kernel;
-    }
-    constexpr bool IsAslrEnabled() const {
-        return m_enable_aslr;
-    }
-
-    constexpr bool ContainsPages(KProcessAddress addr, size_t num_pages) const {
-        return (m_address_space_start <= addr) &&
-               (num_pages <= (m_address_space_end - m_address_space_start) / PageSize) &&
-               (addr + num_pages * PageSize - 1 <= m_address_space_end - 1);
-    }
-
-private:
-    class KScopedPageTableUpdater {
-    private:
-        KPageTable* m_pt{};
-        PageLinkedList m_ll;
-
-    public:
-        explicit KScopedPageTableUpdater(KPageTable* pt) : m_pt(pt) {}
-        explicit KScopedPageTableUpdater(KPageTable& pt) : KScopedPageTableUpdater(&pt) {}
-        ~KScopedPageTableUpdater() {
-            m_pt->FinalizeUpdate(this->GetPageList());
-        }
-
-        PageLinkedList* GetPageList() {
-            return std::addressof(m_ll);
-        }
-    };
-
-private:
-    KProcessAddress m_address_space_start{};
-    KProcessAddress m_address_space_end{};
-    KProcessAddress m_heap_region_start{};
-    KProcessAddress m_heap_region_end{};
-    KProcessAddress m_current_heap_end{};
-    KProcessAddress m_alias_region_start{};
-    KProcessAddress m_alias_region_end{};
-    KProcessAddress m_stack_region_start{};
-    KProcessAddress m_stack_region_end{};
-    KProcessAddress m_kernel_map_region_start{};
-    KProcessAddress m_kernel_map_region_end{};
-    KProcessAddress m_code_region_start{};
-    KProcessAddress m_code_region_end{};
-    KProcessAddress m_alias_code_region_start{};
-    KProcessAddress m_alias_code_region_end{};
-
-    size_t m_max_heap_size{};
-    size_t m_mapped_physical_memory_size{};
-    size_t m_mapped_unsafe_physical_memory{};
-    size_t m_mapped_insecure_memory{};
-    size_t m_mapped_ipc_server_memory{};
-    size_t m_address_space_width{};
-
-    KMemoryBlockManager m_memory_block_manager;
-    u32 m_allocate_option{};
-
-    bool m_is_kernel{};
-    bool m_enable_aslr{};
-    bool m_enable_device_address_space_merge{};
-
-    KMemoryBlockSlabManager* m_memory_block_slab_manager{};
-    KBlockInfoManager* m_block_info_manager{};
-    KResourceLimit* m_resource_limit{};
-
-    u32 m_heap_fill_value{};
-    u32 m_ipc_fill_value{};
-    u32 m_stack_fill_value{};
-    const KMemoryRegion* m_cached_physical_heap_region{};
-
-    KMemoryManager::Pool m_memory_pool{KMemoryManager::Pool::Application};
-    KMemoryManager::Direction m_allocation_option{KMemoryManager::Direction::FromFront};
-
-    std::unique_ptr<Common::PageTable> m_page_table_impl;
-
-    Core::System& m_system;
-    KernelCore& m_kernel;
-    Core::Memory::Memory* m_memory{};
 };
 
 } // namespace Kernel

src/core/hle/kernel/k_page_table_base.h

@@ -0,0 +1,759 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+
+#include "common/common_funcs.h"
+#include "common/page_table.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_dynamic_resource_manager.h"
+#include "core/hle/kernel/k_light_lock.h"
+#include "core/hle/kernel/k_memory_block.h"
+#include "core/hle/kernel/k_memory_block_manager.h"
+#include "core/hle/kernel/k_memory_layout.h"
+#include "core/hle/kernel/k_memory_manager.h"
+#include "core/hle/kernel/k_typed_address.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/result.h"
+#include "core/memory.h"
+
+namespace Kernel {
+
+enum class DisableMergeAttribute : u8 {
+    None = (0U << 0),
+
+    DisableHead = (1U << 0),
+    DisableHeadAndBody = (1U << 1),
+    EnableHeadAndBody = (1U << 2),
+    DisableTail = (1U << 3),
+    EnableTail = (1U << 4),
+    EnableAndMergeHeadBodyTail = (1U << 5),
+
+    EnableHeadBodyTail = EnableHeadAndBody | EnableTail,
+    DisableHeadBodyTail = DisableHeadAndBody | DisableTail,
+};
+DECLARE_ENUM_FLAG_OPERATORS(DisableMergeAttribute);
+
+struct KPageProperties {
+    KMemoryPermission perm;
+    bool io;
+    bool uncached;
+    DisableMergeAttribute disable_merge_attributes;
+};
+static_assert(std::is_trivial_v<KPageProperties>);
+static_assert(sizeof(KPageProperties) == sizeof(u32));
+
+class KResourceLimit;
+class KSystemResource;
+
+class KPageTableBase {
+    YUZU_NON_COPYABLE(KPageTableBase);
+    YUZU_NON_MOVEABLE(KPageTableBase);
+
+public:
+    using TraversalEntry = Common::PageTable::TraversalEntry;
+    using TraversalContext = Common::PageTable::TraversalContext;
+
+    class MemoryRange {
+    private:
+        KernelCore& m_kernel;
+        KPhysicalAddress m_address;
+        size_t m_size;
+        bool m_heap;
+
+    public:
+        explicit MemoryRange(KernelCore& kernel)
+            : m_kernel(kernel), m_address(0), m_size(0), m_heap(false) {}
+
+        void Set(KPhysicalAddress address, size_t size, bool heap) {
+            m_address = address;
+            m_size = size;
+            m_heap = heap;
+        }
+
+        KPhysicalAddress GetAddress() const {
+            return m_address;
+        }
+        size_t GetSize() const {
+            return m_size;
+        }
+        bool IsHeap() const {
+            return m_heap;
+        }
+
+        void Open();
+        void Close();
+    };
+
+protected:
+    enum MemoryFillValue : u8 {
+        MemoryFillValue_Zero = 0,
+        MemoryFillValue_Stack = 'X',
+        MemoryFillValue_Ipc = 'Y',
+        MemoryFillValue_Heap = 'Z',
+    };
+
+    enum class OperationType {
+        Map = 0,
+        MapGroup = 1,
+        MapFirstGroup = 2,
+        Unmap = 3,
+        ChangePermissions = 4,
+        ChangePermissionsAndRefresh = 5,
+        ChangePermissionsAndRefreshAndFlush = 6,
+        Separate = 7,
+    };
+
+    static constexpr size_t MaxPhysicalMapAlignment = 1_GiB;
+    static constexpr size_t RegionAlignment = 2_MiB;
+    static_assert(RegionAlignment == KernelAslrAlignment);
+
+    struct PageLinkedList {
+    private:
+        struct Node {
+            Node* m_next;
+            std::array<u8, PageSize - sizeof(Node*)> m_buffer;
+        };
+        static_assert(std::is_trivial_v<Node>);
+
+    private:
+        Node* m_root{};
+
+    public:
+        constexpr PageLinkedList() : m_root(nullptr) {}
+
+        void Push(Node* n) {
+            ASSERT(Common::IsAligned(reinterpret_cast<uintptr_t>(n), PageSize));
+            n->m_next = m_root;
+            m_root = n;
+        }
+
+        Node* Peek() const {
+            return m_root;
+        }
+
+        Node* Pop() {
+            Node* const r = m_root;
+
+            m_root = r->m_next;
+            r->m_next = nullptr;
+
+            return r;
+        }
+    };
+    static_assert(std::is_trivially_destructible_v<PageLinkedList>);
+
+    static constexpr auto DefaultMemoryIgnoreAttr =
+        KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
+
+    static constexpr size_t GetAddressSpaceWidth(Svc::CreateProcessFlag as_type) {
+        switch (static_cast<Svc::CreateProcessFlag>(as_type &
+                                                    Svc::CreateProcessFlag::AddressSpaceMask)) {
+        case Svc::CreateProcessFlag::AddressSpace64Bit:
+            return 39;
+        case Svc::CreateProcessFlag::AddressSpace64BitDeprecated:
+            return 36;
+        case Svc::CreateProcessFlag::AddressSpace32Bit:
+        case Svc::CreateProcessFlag::AddressSpace32BitWithoutAlias:
+            return 32;
+        default:
+            UNREACHABLE();
+        }
+    }
+
+private:
+    class KScopedPageTableUpdater {
+    private:
+        KPageTableBase* m_pt;
+        PageLinkedList m_ll;
+
+    public:
+        explicit KScopedPageTableUpdater(KPageTableBase* pt) : m_pt(pt), m_ll() {}
+        explicit KScopedPageTableUpdater(KPageTableBase& pt)
+            : KScopedPageTableUpdater(std::addressof(pt)) {}
+        ~KScopedPageTableUpdater() {
+            m_pt->FinalizeUpdate(this->GetPageList());
+        }
+
+        PageLinkedList* GetPageList() {
+            return std::addressof(m_ll);
+        }
+    };
+
+private:
+    KernelCore& m_kernel;
+    Core::System& m_system;
+    KProcessAddress m_address_space_start{};
+    KProcessAddress m_address_space_end{};
+    KProcessAddress m_heap_region_start{};
+    KProcessAddress m_heap_region_end{};
+    KProcessAddress m_current_heap_end{};
+    KProcessAddress m_alias_region_start{};
+    KProcessAddress m_alias_region_end{};
+    KProcessAddress m_stack_region_start{};
+    KProcessAddress m_stack_region_end{};
+    KProcessAddress m_kernel_map_region_start{};
+    KProcessAddress m_kernel_map_region_end{};
+    KProcessAddress m_alias_code_region_start{};
+    KProcessAddress m_alias_code_region_end{};
+    KProcessAddress m_code_region_start{};
+    KProcessAddress m_code_region_end{};
+    size_t m_max_heap_size{};
+    size_t m_mapped_physical_memory_size{};
+    size_t m_mapped_unsafe_physical_memory{};
+    size_t m_mapped_insecure_memory{};
+    size_t m_mapped_ipc_server_memory{};
+    mutable KLightLock m_general_lock;
+    mutable KLightLock m_map_physical_memory_lock;
+    KLightLock m_device_map_lock;
+    std::unique_ptr<Common::PageTable> m_impl{};
+    Core::Memory::Memory* m_memory{};
+    KMemoryBlockManager m_memory_block_manager{};
+    u32 m_allocate_option{};
+    u32 m_address_space_width{};
+    bool m_is_kernel{};
+    bool m_enable_aslr{};
+    bool m_enable_device_address_space_merge{};
+    KMemoryBlockSlabManager* m_memory_block_slab_manager{};
+    KBlockInfoManager* m_block_info_manager{};
+    KResourceLimit* m_resource_limit{};
+    const KMemoryRegion* m_cached_physical_linear_region{};
+    const KMemoryRegion* m_cached_physical_heap_region{};
+    MemoryFillValue m_heap_fill_value{};
+    MemoryFillValue m_ipc_fill_value{};
+    MemoryFillValue m_stack_fill_value{};
+
+public:
+    explicit KPageTableBase(KernelCore& kernel);
+    ~KPageTableBase();
+
+    Result InitializeForKernel(bool is_64_bit, KVirtualAddress start, KVirtualAddress end,
+                               Core::Memory::Memory& memory);
+    Result InitializeForProcess(Svc::CreateProcessFlag as_type, bool enable_aslr,
+                                bool enable_device_address_space_merge, bool from_back,
+                                KMemoryManager::Pool pool, KProcessAddress code_address,
+                                size_t code_size, KSystemResource* system_resource,
+                                KResourceLimit* resource_limit, Core::Memory::Memory& memory);
+
+    void Finalize();
+
+    bool IsKernel() const {
+        return m_is_kernel;
+    }
+    bool IsAslrEnabled() const {
+        return m_enable_aslr;
+    }
+
+    bool Contains(KProcessAddress addr) const {
+        return m_address_space_start <= addr && addr <= m_address_space_end - 1;
+    }
+
+    bool Contains(KProcessAddress addr, size_t size) const {
+        return m_address_space_start <= addr && addr < addr + size &&
+               addr + size - 1 <= m_address_space_end - 1;
+    }
+
+    bool IsInAliasRegion(KProcessAddress addr, size_t size) const {
+        return this->Contains(addr, size) && m_alias_region_start <= addr &&
+               addr + size - 1 <= m_alias_region_end - 1;
+    }
+
+    bool IsInHeapRegion(KProcessAddress addr, size_t size) const {
+        return this->Contains(addr, size) && m_heap_region_start <= addr &&
+               addr + size - 1 <= m_heap_region_end - 1;
+    }
+
+    bool IsInUnsafeAliasRegion(KProcessAddress addr, size_t size) const {
+        // Even though Unsafe physical memory is KMemoryState_Normal, it must be mapped inside the
+        // alias code region.
+        return this->CanContain(addr, size, Svc::MemoryState::AliasCode);
+    }
+
+    KScopedLightLock AcquireDeviceMapLock() {
+        return KScopedLightLock(m_device_map_lock);
+    }
+
+    KProcessAddress GetRegionAddress(Svc::MemoryState state) const;
+    size_t GetRegionSize(Svc::MemoryState state) const;
+    bool CanContain(KProcessAddress addr, size_t size, Svc::MemoryState state) const;
+
+    KProcessAddress GetRegionAddress(KMemoryState state) const {
+        return this->GetRegionAddress(static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
+    }
+    size_t GetRegionSize(KMemoryState state) const {
+        return this->GetRegionSize(static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
+    }
+    bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const {
+        return this->CanContain(addr, size,
+                                static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
+    }
+
+public:
+    Core::Memory::Memory& GetMemory() {
+        return *m_memory;
+    }
+
+    Core::Memory::Memory& GetMemory() const {
+        return *m_memory;
+    }
+
+    Common::PageTable& GetImpl() {
+        return *m_impl;
+    }
+
+    Common::PageTable& GetImpl() const {
+        return *m_impl;
+    }
+
+    size_t GetNumGuardPages() const {
+        return this->IsKernel() ? 1 : 4;
+    }
+
+protected:
+    // NOTE: These three functions (Operate, Operate, FinalizeUpdate) are virtual functions
+    // in Nintendo's kernel. We devirtualize them, since KPageTable is the only derived
+    // class, and this avoids unnecessary virtual function calls.
+    Result Operate(PageLinkedList* page_list, KProcessAddress virt_addr, size_t num_pages,
+                   KPhysicalAddress phys_addr, bool is_pa_valid, const KPageProperties properties,
+                   OperationType operation, bool reuse_ll);
+    Result Operate(PageLinkedList* page_list, KProcessAddress virt_addr, size_t num_pages,
+                   const KPageGroup& page_group, const KPageProperties properties,
+                   OperationType operation, bool reuse_ll);
+    void FinalizeUpdate(PageLinkedList* page_list);
+
+    bool IsLockedByCurrentThread() const {
+        return m_general_lock.IsLockedByCurrentThread();
+    }
+
+    bool IsLinearMappedPhysicalAddress(KPhysicalAddress phys_addr) {
+        ASSERT(this->IsLockedByCurrentThread());
+
+        return m_kernel.MemoryLayout().IsLinearMappedPhysicalAddress(
+            m_cached_physical_linear_region, phys_addr);
+    }
+
+    bool IsLinearMappedPhysicalAddress(KPhysicalAddress phys_addr, size_t size) {
+        ASSERT(this->IsLockedByCurrentThread());
+
+        return m_kernel.MemoryLayout().IsLinearMappedPhysicalAddress(
+            m_cached_physical_linear_region, phys_addr, size);
+    }
+
+    bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr) {
+        ASSERT(this->IsLockedByCurrentThread());
+
+        return m_kernel.MemoryLayout().IsHeapPhysicalAddress(m_cached_physical_heap_region,
+                                                             phys_addr);
+    }
+
+    bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr, size_t size) {
+        ASSERT(this->IsLockedByCurrentThread());
+
+        return m_kernel.MemoryLayout().IsHeapPhysicalAddress(m_cached_physical_heap_region,
+                                                             phys_addr, size);
+    }
+
+    bool IsHeapPhysicalAddressForFinalize(KPhysicalAddress phys_addr) {
+        ASSERT(!this->IsLockedByCurrentThread());
+
+        return m_kernel.MemoryLayout().IsHeapPhysicalAddress(m_cached_physical_heap_region,
+                                                             phys_addr);
+    }
+
+    bool ContainsPages(KProcessAddress addr, size_t num_pages) const {
+        return (m_address_space_start <= addr) &&
+               (num_pages <= (m_address_space_end - m_address_space_start) / PageSize) &&
+               (addr + num_pages * PageSize - 1 <= m_address_space_end - 1);
+    }
+
+private:
+    KProcessAddress FindFreeArea(KProcessAddress region_start, size_t region_num_pages,
+                                 size_t num_pages, size_t alignment, size_t offset,
+                                 size_t guard_pages) const;
+
+    Result CheckMemoryStateContiguous(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
+                                      KMemoryState state_mask, KMemoryState state,
+                                      KMemoryPermission perm_mask, KMemoryPermission perm,
+                                      KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
+    Result CheckMemoryStateContiguous(KProcessAddress addr, size_t size, KMemoryState state_mask,
+                                      KMemoryState state, KMemoryPermission perm_mask,
+                                      KMemoryPermission perm, KMemoryAttribute attr_mask,
+                                      KMemoryAttribute attr) const {
+        R_RETURN(this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
+                                                  perm, attr_mask, attr));
+    }
+
+    Result CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, KMemoryState state,
+                            KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
+    Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
+                            KMemoryAttribute* out_attr, size_t* out_blocks_needed,
+                            KMemoryBlockManager::const_iterator it, KProcessAddress last_addr,
+                            KMemoryState state_mask, KMemoryState state,
+                            KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
+    Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
+                            KMemoryAttribute* out_attr, size_t* out_blocks_needed,
+                            KProcessAddress addr, size_t size, KMemoryState state_mask,
+                            KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
+    Result CheckMemoryState(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
+                            KMemoryState state_mask, KMemoryState state,
+                            KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
+        R_RETURN(this->CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
+                                        state_mask, state, perm_mask, perm, attr_mask, attr,
+                                        ignore_attr));
+    }
+    Result CheckMemoryState(KProcessAddress addr, size_t size, KMemoryState state_mask,
+                            KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
+        R_RETURN(this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
+                                        attr_mask, attr, ignore_attr));
+    }
+
+    Result LockMemoryAndOpen(KPageGroup* out_pg, KPhysicalAddress* out_paddr, KProcessAddress addr,
+                             size_t size, KMemoryState state_mask, KMemoryState state,
+                             KMemoryPermission perm_mask, KMemoryPermission perm,
+                             KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                             KMemoryPermission new_perm, KMemoryAttribute lock_attr);
+    Result UnlockMemory(KProcessAddress addr, size_t size, KMemoryState state_mask,
+                        KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
+                        KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                        KMemoryPermission new_perm, KMemoryAttribute lock_attr,
+                        const KPageGroup* pg);
+
+    Result QueryInfoImpl(KMemoryInfo* out_info, Svc::PageInfo* out_page,
+                         KProcessAddress address) const;
+
+    Result QueryMappingImpl(KProcessAddress* out, KPhysicalAddress address, size_t size,
+                            Svc::MemoryState state) const;
+
+    Result AllocateAndMapPagesImpl(PageLinkedList* page_list, KProcessAddress address,
+                                   size_t num_pages, KMemoryPermission perm);
+    Result MapPageGroupImpl(PageLinkedList* page_list, KProcessAddress address,
+                            const KPageGroup& pg, const KPageProperties properties, bool reuse_ll);
+
+    void RemapPageGroup(PageLinkedList* page_list, KProcessAddress address, size_t size,
+                        const KPageGroup& pg);
+
+    Result MakePageGroup(KPageGroup& pg, KProcessAddress addr, size_t num_pages);
+    bool IsValidPageGroup(const KPageGroup& pg, KProcessAddress addr, size_t num_pages);
+
+    Result GetContiguousMemoryRangeWithState(MemoryRange* out, KProcessAddress address, size_t size,
+                                             KMemoryState state_mask, KMemoryState state,
+                                             KMemoryPermission perm_mask, KMemoryPermission perm,
+                                             KMemoryAttribute attr_mask, KMemoryAttribute attr);
+
+    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
+                    KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start,
+                    size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
+
+    Result MapIoImpl(KProcessAddress* out, PageLinkedList* page_list, KPhysicalAddress phys_addr,
+                     size_t size, KMemoryState state, KMemoryPermission perm);
+    Result ReadIoMemoryImpl(KProcessAddress dst_addr, KPhysicalAddress phys_addr, size_t size,
+                            KMemoryState state);
+    Result WriteIoMemoryImpl(KPhysicalAddress phys_addr, KProcessAddress src_addr, size_t size,
+                             KMemoryState state);
+
+    Result SetupForIpcClient(PageLinkedList* page_list, size_t* out_blocks_needed,
+                             KProcessAddress address, size_t size, KMemoryPermission test_perm,
+                             KMemoryState dst_state);
+    Result SetupForIpcServer(KProcessAddress* out_addr, size_t size, KProcessAddress src_addr,
+                             KMemoryPermission test_perm, KMemoryState dst_state,
+                             KPageTableBase& src_page_table, bool send);
+    void CleanupForIpcClientOnServerSetupFailure(PageLinkedList* page_list, KProcessAddress address,
+                                                 size_t size, KMemoryPermission prot_perm);
+
+    size_t GetSize(KMemoryState state) const;
+
+    bool GetPhysicalAddressLocked(KPhysicalAddress* out, KProcessAddress virt_addr) const {
+        // Validate pre-conditions.
+        ASSERT(this->IsLockedByCurrentThread());
+
+        return this->GetImpl().GetPhysicalAddress(out, virt_addr);
+    }
+
+public:
+    bool GetPhysicalAddress(KPhysicalAddress* out, KProcessAddress virt_addr) const {
+        // Validate pre-conditions.
+        ASSERT(!this->IsLockedByCurrentThread());
+
+        // Acquire exclusive access to the table while doing address translation.
+        KScopedLightLock lk(m_general_lock);
+
+        return this->GetPhysicalAddressLocked(out, virt_addr);
+    }
+
+    KBlockInfoManager* GetBlockInfoManager() const {
+        return m_block_info_manager;
+    }
+
+    Result SetMemoryPermission(KProcessAddress addr, size_t size, Svc::MemoryPermission perm);
+    Result SetProcessMemoryPermission(KProcessAddress addr, size_t size,
+                                      Svc::MemoryPermission perm);
+    Result SetMemoryAttribute(KProcessAddress addr, size_t size, KMemoryAttribute mask,
+                              KMemoryAttribute attr);
+    Result SetHeapSize(KProcessAddress* out, size_t size);
+    Result SetMaxHeapSize(size_t size);
+    Result QueryInfo(KMemoryInfo* out_info, Svc::PageInfo* out_page_info,
+                     KProcessAddress addr) const;
+    Result QueryPhysicalAddress(Svc::lp64::PhysicalMemoryInfo* out, KProcessAddress address) const;
+    Result QueryStaticMapping(KProcessAddress* out, KPhysicalAddress address, size_t size) const {
+        R_RETURN(this->QueryMappingImpl(out, address, size, Svc::MemoryState::Static));
+    }
+    Result QueryIoMapping(KProcessAddress* out, KPhysicalAddress address, size_t size) const {
+        R_RETURN(this->QueryMappingImpl(out, address, size, Svc::MemoryState::Io));
+    }
+    Result MapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
+    Result UnmapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
+    Result MapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
+    Result UnmapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
+    Result MapIo(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
+    Result MapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size,
+                       Svc::MemoryMapping mapping, Svc::MemoryPermission perm);
+    Result UnmapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size,
+                         Svc::MemoryMapping mapping);
+    Result MapStatic(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
+    Result MapRegion(KMemoryRegionType region_type, KMemoryPermission perm);
+    Result MapInsecureMemory(KProcessAddress address, size_t size);
+    Result UnmapInsecureMemory(KProcessAddress address, size_t size);
+
+    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
+                    KPhysicalAddress phys_addr, KProcessAddress region_start,
+                    size_t region_num_pages, KMemoryState state, KMemoryPermission perm) {
+        R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, region_start,
+                                region_num_pages, state, perm));
+    }
+
+    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
+                    KPhysicalAddress phys_addr, KMemoryState state, KMemoryPermission perm) {
+        R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
+                                this->GetRegionAddress(state),
+                                this->GetRegionSize(state) / PageSize, state, perm));
+    }
+
+    Result MapPages(KProcessAddress* out_addr, size_t num_pages, KMemoryState state,
+                    KMemoryPermission perm) {
+        R_RETURN(this->MapPages(out_addr, num_pages, PageSize, 0, false,
+                                this->GetRegionAddress(state),
+                                this->GetRegionSize(state) / PageSize, state, perm));
+    }
+
+    Result MapPages(KProcessAddress address, size_t num_pages, KMemoryState state,
+                    KMemoryPermission perm);
+    Result UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state);
+
+    Result MapPageGroup(KProcessAddress* out_addr, const KPageGroup& pg,
+                        KProcessAddress region_start, size_t region_num_pages, KMemoryState state,
+                        KMemoryPermission perm);
+    Result MapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state,
+                        KMemoryPermission perm);
+    Result UnmapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state);
+
+    Result MakeAndOpenPageGroup(KPageGroup* out, KProcessAddress address, size_t num_pages,
+                                KMemoryState state_mask, KMemoryState state,
+                                KMemoryPermission perm_mask, KMemoryPermission perm,
+                                KMemoryAttribute attr_mask, KMemoryAttribute attr);
+
+    Result InvalidateProcessDataCache(KProcessAddress address, size_t size);
+    Result InvalidateCurrentProcessDataCache(KProcessAddress address, size_t size);
+
+    Result ReadDebugMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
+    Result ReadDebugIoMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
+                             KMemoryState state);
+
+    Result WriteDebugMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
+    Result WriteDebugIoMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
+                              KMemoryState state);
+
+    Result LockForMapDeviceAddressSpace(bool* out_is_io, KProcessAddress address, size_t size,
+                                        KMemoryPermission perm, bool is_aligned, bool check_heap);
+    Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size, bool check_heap);
+
+    Result UnlockForDeviceAddressSpace(KProcessAddress address, size_t size);
+    Result UnlockForDeviceAddressSpacePartialMap(KProcessAddress address, size_t size);
+
+    Result OpenMemoryRangeForMapDeviceAddressSpace(KPageTableBase::MemoryRange* out,
+                                                   KProcessAddress address, size_t size,
+                                                   KMemoryPermission perm, bool is_aligned);
+    Result OpenMemoryRangeForUnmapDeviceAddressSpace(MemoryRange* out, KProcessAddress address,
+                                                     size_t size);
+
+    Result LockForIpcUserBuffer(KPhysicalAddress* out, KProcessAddress address, size_t size);
+    Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size);
+
+    Result LockForTransferMemory(KPageGroup* out, KProcessAddress address, size_t size,
+                                 KMemoryPermission perm);
+    Result UnlockForTransferMemory(KProcessAddress address, size_t size, const KPageGroup& pg);
+    Result LockForCodeMemory(KPageGroup* out, KProcessAddress address, size_t size);
+    Result UnlockForCodeMemory(KProcessAddress address, size_t size, const KPageGroup& pg);
+
+    Result OpenMemoryRangeForProcessCacheOperation(MemoryRange* out, KProcessAddress address,
+                                                   size_t size);
+
+    Result CopyMemoryFromLinearToUser(KProcessAddress dst_addr, size_t size,
+                                      KProcessAddress src_addr, KMemoryState src_state_mask,
+                                      KMemoryState src_state, KMemoryPermission src_test_perm,
+                                      KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
+    Result CopyMemoryFromLinearToKernel(void* buffer, size_t size, KProcessAddress src_addr,
+                                        KMemoryState src_state_mask, KMemoryState src_state,
+                                        KMemoryPermission src_test_perm,
+                                        KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
+    Result CopyMemoryFromUserToLinear(KProcessAddress dst_addr, size_t size,
+                                      KMemoryState dst_state_mask, KMemoryState dst_state,
+                                      KMemoryPermission dst_test_perm,
+                                      KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
+                                      KProcessAddress src_addr);
+    Result CopyMemoryFromKernelToLinear(KProcessAddress dst_addr, size_t size,
+                                        KMemoryState dst_state_mask, KMemoryState dst_state,
+                                        KMemoryPermission dst_test_perm,
+                                        KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
+                                        void* buffer);
+    Result CopyMemoryFromHeapToHeap(KPageTableBase& dst_page_table, KProcessAddress dst_addr,
+                                    size_t size, KMemoryState dst_state_mask,
+                                    KMemoryState dst_state, KMemoryPermission dst_test_perm,
+                                    KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
+                                    KProcessAddress src_addr, KMemoryState src_state_mask,
+                                    KMemoryState src_state, KMemoryPermission src_test_perm,
+                                    KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
+    Result CopyMemoryFromHeapToHeapWithoutCheckDestination(
+        KPageTableBase& dst_page_table, KProcessAddress dst_addr, size_t size,
+        KMemoryState dst_state_mask, KMemoryState dst_state, KMemoryPermission dst_test_perm,
+        KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr, KProcessAddress src_addr,
+        KMemoryState src_state_mask, KMemoryState src_state, KMemoryPermission src_test_perm,
+        KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
+
+    Result SetupForIpc(KProcessAddress* out_dst_addr, size_t size, KProcessAddress src_addr,
+                       KPageTableBase& src_page_table, KMemoryPermission test_perm,
+                       KMemoryState dst_state, bool send);
+    Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state);
+    Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state);
+
+    Result MapPhysicalMemory(KProcessAddress address, size_t size);
+    Result UnmapPhysicalMemory(KProcessAddress address, size_t size);
+
+    Result MapPhysicalMemoryUnsafe(KProcessAddress address, size_t size);
+    Result UnmapPhysicalMemoryUnsafe(KProcessAddress address, size_t size);
+
+    Result UnmapProcessMemory(KProcessAddress dst_address, size_t size, KPageTableBase& src_pt,
+                              KProcessAddress src_address);
+
+public:
+    KProcessAddress GetAddressSpaceStart() const {
+        return m_address_space_start;
+    }
+    KProcessAddress GetHeapRegionStart() const {
+        return m_heap_region_start;
+    }
+    KProcessAddress GetAliasRegionStart() const {
+        return m_alias_region_start;
+    }
+    KProcessAddress GetStackRegionStart() const {
+        return m_stack_region_start;
+    }
+    KProcessAddress GetKernelMapRegionStart() const {
+        return m_kernel_map_region_start;
+    }
+    KProcessAddress GetCodeRegionStart() const {
+        return m_code_region_start;
+    }
+    KProcessAddress GetAliasCodeRegionStart() const {
+        return m_alias_code_region_start;
+    }
+
+    size_t GetAddressSpaceSize() const {
+        return m_address_space_end - m_address_space_start;
+    }
+    size_t GetHeapRegionSize() const {
+        return m_heap_region_end - m_heap_region_start;
+    }
+    size_t GetAliasRegionSize() const {
+        return m_alias_region_end - m_alias_region_start;
+    }
+    size_t GetStackRegionSize() const {
+        return m_stack_region_end - m_stack_region_start;
+    }
+    size_t GetKernelMapRegionSize() const {
+        return m_kernel_map_region_end - m_kernel_map_region_start;
+    }
+    size_t GetCodeRegionSize() const {
+        return m_code_region_end - m_code_region_start;
+    }
+    size_t GetAliasCodeRegionSize() const {
+        return m_alias_code_region_end - m_alias_code_region_start;
+    }
+
+    size_t GetNormalMemorySize() const {
+        // Lock the table.
+        KScopedLightLock lk(m_general_lock);
+
+        return (m_current_heap_end - m_heap_region_start) + m_mapped_physical_memory_size;
+    }
+
+    size_t GetCodeSize() const;
+    size_t GetCodeDataSize() const;
+    size_t GetAliasCodeSize() const;
+    size_t GetAliasCodeDataSize() const;
+
+    u32 GetAllocateOption() const {
+        return m_allocate_option;
+    }
+
+    u32 GetAddressSpaceWidth() const {
+        return m_address_space_width;
+    }
+
+public:
+    // Linear mapped
+    static u8* GetLinearMappedVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) {
+        return kernel.System().DeviceMemory().GetPointer<u8>(addr);
+    }
+
+    static KPhysicalAddress GetLinearMappedPhysicalAddress(KernelCore& kernel,
+                                                           KVirtualAddress addr) {
+        return kernel.MemoryLayout().GetLinearPhysicalAddress(addr);
+    }
+
+    static KVirtualAddress GetLinearMappedVirtualAddress(KernelCore& kernel,
+                                                         KPhysicalAddress addr) {
+        return kernel.MemoryLayout().GetLinearVirtualAddress(addr);
+    }
+
+    // Heap
+    static u8* GetHeapVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) {
+        return kernel.System().DeviceMemory().GetPointer<u8>(addr);
+    }
+
+    static KPhysicalAddress GetHeapPhysicalAddress(KernelCore& kernel, KVirtualAddress addr) {
+        return GetLinearMappedPhysicalAddress(kernel, addr);
+    }
+
+    static KVirtualAddress GetHeapVirtualAddress(KernelCore& kernel, KPhysicalAddress addr) {
+        return GetLinearMappedVirtualAddress(kernel, addr);
+    }
+
+    // Member heap
+    u8* GetHeapVirtualPointer(KPhysicalAddress addr) {
+        return GetHeapVirtualPointer(m_kernel, addr);
+    }
+
+    KPhysicalAddress GetHeapPhysicalAddress(KVirtualAddress addr) {
+        return GetHeapPhysicalAddress(m_kernel, addr);
+    }
+
+    KVirtualAddress GetHeapVirtualAddress(KPhysicalAddress addr) {
+        return GetHeapVirtualAddress(m_kernel, addr);
+    }
+
+    // TODO: GetPageTableVirtualAddress
+    // TODO: GetPageTablePhysicalAddress
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_process.cpp

@@ -298,9 +298,9 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params, const KPa
         const bool enable_aslr = True(params.flags & Svc::CreateProcessFlag::EnableAslr);
         const bool enable_das_merge =
             False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge);
-        R_TRY(m_page_table.InitializeForProcess(
+        R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool,
-            as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address,
+                                      params.code_address, params.code_num_pages * PageSize,
-            params.code_num_pages * PageSize, m_system_resource, res_limit, this->GetMemory()));
+                                      m_system_resource, res_limit, this->GetMemory()));
     }
     ON_RESULT_FAILURE_2 {
         m_page_table.Finalize();
@@ -391,9 +391,9 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params,
         const bool enable_aslr = True(params.flags & Svc::CreateProcessFlag::EnableAslr);
         const bool enable_das_merge =
             False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge);
-        R_TRY(m_page_table.InitializeForProcess(as_type, enable_aslr, enable_das_merge,
+        R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool,
-                                                !enable_aslr, pool, params.code_address, code_size,
+                                      params.code_address, code_size, m_system_resource, res_limit,
-                                                m_system_resource, res_limit, this->GetMemory()));
+                                      this->GetMemory()));
     }
     ON_RESULT_FAILURE_2 {
         m_page_table.Finalize();
@@ -1122,9 +1122,9 @@ Result KProcess::GetThreadList(s32* out_num_threads, KProcessAddress out_thread_
 void KProcess::Switch(KProcess* cur_process, KProcess* next_process) {}
 
 KProcess::KProcess(KernelCore& kernel)
-    : KAutoObjectWithSlabHeapAndContainer(kernel), m_page_table{kernel.System()},
+    : KAutoObjectWithSlabHeapAndContainer(kernel), m_page_table{kernel}, m_state_lock{kernel},
-      m_state_lock{kernel}, m_list_lock{kernel}, m_cond_var{kernel.System()},
+      m_list_lock{kernel}, m_cond_var{kernel.System()}, m_address_arbiter{kernel.System()},
-      m_address_arbiter{kernel.System()}, m_handle_table{kernel} {}
+      m_handle_table{kernel} {}
 KProcess::~KProcess() = default;
 
 Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,

src/core/hle/kernel/k_process.h

@@ -5,13 +5,14 @@
 
 #include <map>
 
+#include "core/file_sys/program_metadata.h"
 #include "core/hle/kernel/code_set.h"
 #include "core/hle/kernel/k_address_arbiter.h"
 #include "core/hle/kernel/k_capabilities.h"
 #include "core/hle/kernel/k_condition_variable.h"
 #include "core/hle/kernel/k_handle_table.h"
-#include "core/hle/kernel/k_page_table.h"
 #include "core/hle/kernel/k_page_table_manager.h"
+#include "core/hle/kernel/k_process_page_table.h"
 #include "core/hle/kernel/k_system_resource.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_thread_local_page.h"
@@ -65,7 +66,7 @@ private:
     using TLPIterator = TLPTree::iterator;
 
 private:
-    KPageTable m_page_table;
+    KProcessPageTable m_page_table;
     std::atomic<size_t> m_used_kernel_memory_size{};
     TLPTree m_fully_used_tlp_tree{};
     TLPTree m_partially_used_tlp_tree{};
@@ -254,9 +255,8 @@ public:
         return m_is_hbl;
     }
 
-    Kernel::KMemoryManager::Direction GetAllocateOption() const {
+    u32 GetAllocateOption() const {
-        // TODO: property of the KPageTableBase
+        return m_page_table.GetAllocateOption();
-        return KMemoryManager::Direction::FromFront;
     }
 
     ThreadList& GetThreadList() {
@@ -295,10 +295,10 @@ public:
         return m_list_lock;
     }
 
-    KPageTable& GetPageTable() {
+    KProcessPageTable& GetPageTable() {
         return m_page_table;
     }
-    const KPageTable& GetPageTable() const {
+    const KProcessPageTable& GetPageTable() const {
         return m_page_table;
     }
 

src/core/hle/kernel/k_process_page_table.h

@@ -0,0 +1,480 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/kernel/k_page_table.h"
+#include "core/hle/kernel/k_scoped_lock.h"
+#include "core/hle/kernel/svc_types.h"
+
+namespace Core {
+class ARM_Interface;
+}
+
+namespace Kernel {
+
+class KProcessPageTable {
+private:
+    KPageTable m_page_table;
+
+public:
+    KProcessPageTable(KernelCore& kernel) : m_page_table(kernel) {}
+
+    Result Initialize(Svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge,
+                      bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address,
+                      size_t code_size, KSystemResource* system_resource,
+                      KResourceLimit* resource_limit, Core::Memory::Memory& memory) {
+        R_RETURN(m_page_table.InitializeForProcess(as_type, enable_aslr, enable_das_merge,
+                                                   from_back, pool, code_address, code_size,
+                                                   system_resource, resource_limit, memory));
+    }
+
+    void Finalize() {
+        m_page_table.Finalize();
+    }
+
+    Core::Memory::Memory& GetMemory() {
+        return m_page_table.GetMemory();
+    }
+
+    Core::Memory::Memory& GetMemory() const {
+        return m_page_table.GetMemory();
+    }
+
+    Common::PageTable& GetImpl() {
+        return m_page_table.GetImpl();
+    }
+
+    Common::PageTable& GetImpl() const {
+        return m_page_table.GetImpl();
+    }
+
+    size_t GetNumGuardPages() const {
+        return m_page_table.GetNumGuardPages();
+    }
+
+    KScopedLightLock AcquireDeviceMapLock() {
+        return m_page_table.AcquireDeviceMapLock();
+    }
+
+    Result SetMemoryPermission(KProcessAddress addr, size_t size, Svc::MemoryPermission perm) {
+        R_RETURN(m_page_table.SetMemoryPermission(addr, size, perm));
+    }
+
+    Result SetProcessMemoryPermission(KProcessAddress addr, size_t size,
+                                      Svc::MemoryPermission perm) {
+        R_RETURN(m_page_table.SetProcessMemoryPermission(addr, size, perm));
+    }
+
+    Result SetMemoryAttribute(KProcessAddress addr, size_t size, KMemoryAttribute mask,
+                              KMemoryAttribute attr) {
+        R_RETURN(m_page_table.SetMemoryAttribute(addr, size, mask, attr));
+    }
+
+    Result SetHeapSize(KProcessAddress* out, size_t size) {
+        R_RETURN(m_page_table.SetHeapSize(out, size));
+    }
+
+    Result SetMaxHeapSize(size_t size) {
+        R_RETURN(m_page_table.SetMaxHeapSize(size));
+    }
+
+    Result QueryInfo(KMemoryInfo* out_info, Svc::PageInfo* out_page_info,
+                     KProcessAddress addr) const {
+        R_RETURN(m_page_table.QueryInfo(out_info, out_page_info, addr));
+    }
+
+    Result QueryPhysicalAddress(Svc::lp64::PhysicalMemoryInfo* out, KProcessAddress address) {
+        R_RETURN(m_page_table.QueryPhysicalAddress(out, address));
+    }
+
+    Result QueryStaticMapping(KProcessAddress* out, KPhysicalAddress address, size_t size) {
+        R_RETURN(m_page_table.QueryStaticMapping(out, address, size));
+    }
+
+    Result QueryIoMapping(KProcessAddress* out, KPhysicalAddress address, size_t size) {
+        R_RETURN(m_page_table.QueryIoMapping(out, address, size));
+    }
+
+    Result MapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
+        R_RETURN(m_page_table.MapMemory(dst_address, src_address, size));
+    }
+
+    Result UnmapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
+        R_RETURN(m_page_table.UnmapMemory(dst_address, src_address, size));
+    }
+
+    Result MapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
+        R_RETURN(m_page_table.MapCodeMemory(dst_address, src_address, size));
+    }
+
+    Result UnmapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
+        R_RETURN(m_page_table.UnmapCodeMemory(dst_address, src_address, size));
+    }
+
+    Result MapIo(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapIo(phys_addr, size, perm));
+    }
+
+    Result MapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size,
+                       Svc::MemoryMapping mapping, Svc::MemoryPermission perm) {
+        R_RETURN(m_page_table.MapIoRegion(dst_address, phys_addr, size, mapping, perm));
+    }
+
+    Result UnmapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size,
+                         Svc::MemoryMapping mapping) {
+        R_RETURN(m_page_table.UnmapIoRegion(dst_address, phys_addr, size, mapping));
+    }
+
+    Result MapStatic(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapStatic(phys_addr, size, perm));
+    }
+
+    Result MapRegion(KMemoryRegionType region_type, KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapRegion(region_type, perm));
+    }
+
+    Result MapInsecureMemory(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.MapInsecureMemory(address, size));
+    }
+
+    Result UnmapInsecureMemory(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.UnmapInsecureMemory(address, size));
+    }
+
+    Result MapPageGroup(KProcessAddress addr, const KPageGroup& pg, KMemoryState state,
+                        KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapPageGroup(addr, pg, state, perm));
+    }
+
+    Result UnmapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state) {
+        R_RETURN(m_page_table.UnmapPageGroup(address, pg, state));
+    }
+
+    Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
+                    KPhysicalAddress phys_addr, KMemoryState state, KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapPages(out_addr, num_pages, alignment, phys_addr, state, perm));
+    }
+
+    Result MapPages(KProcessAddress* out_addr, size_t num_pages, KMemoryState state,
+                    KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapPages(out_addr, num_pages, state, perm));
+    }
+
+    Result MapPages(KProcessAddress address, size_t num_pages, KMemoryState state,
+                    KMemoryPermission perm) {
+        R_RETURN(m_page_table.MapPages(address, num_pages, state, perm));
+    }
+
+    Result UnmapPages(KProcessAddress addr, size_t num_pages, KMemoryState state) {
+        R_RETURN(m_page_table.UnmapPages(addr, num_pages, state));
+    }
+
+    Result MakeAndOpenPageGroup(KPageGroup* out, KProcessAddress address, size_t num_pages,
+                                KMemoryState state_mask, KMemoryState state,
+                                KMemoryPermission perm_mask, KMemoryPermission perm,
+                                KMemoryAttribute attr_mask, KMemoryAttribute attr) {
+        R_RETURN(m_page_table.MakeAndOpenPageGroup(out, address, num_pages, state_mask, state,
+                                                   perm_mask, perm, attr_mask, attr));
+    }
+
+    Result InvalidateProcessDataCache(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.InvalidateProcessDataCache(address, size));
+    }
+
+    Result ReadDebugMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
+        R_RETURN(m_page_table.ReadDebugMemory(dst_address, src_address, size));
+    }
+
+    Result ReadDebugIoMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
+                             KMemoryState state) {
+        R_RETURN(m_page_table.ReadDebugIoMemory(dst_address, src_address, size, state));
+    }
+
+    Result WriteDebugMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
+        R_RETURN(m_page_table.WriteDebugMemory(dst_address, src_address, size));
+    }
+
+    Result WriteDebugIoMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
+                              KMemoryState state) {
+        R_RETURN(m_page_table.WriteDebugIoMemory(dst_address, src_address, size, state));
+    }
+
+    Result LockForMapDeviceAddressSpace(bool* out_is_io, KProcessAddress address, size_t size,
+                                        KMemoryPermission perm, bool is_aligned, bool check_heap) {
+        R_RETURN(m_page_table.LockForMapDeviceAddressSpace(out_is_io, address, size, perm,
+                                                           is_aligned, check_heap));
+    }
+
+    Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size, bool check_heap) {
+        R_RETURN(m_page_table.LockForUnmapDeviceAddressSpace(address, size, check_heap));
+    }
+
+    Result UnlockForDeviceAddressSpace(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.UnlockForDeviceAddressSpace(address, size));
+    }
+
+    Result UnlockForDeviceAddressSpacePartialMap(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.UnlockForDeviceAddressSpacePartialMap(address, size));
+    }
+
+    Result OpenMemoryRangeForMapDeviceAddressSpace(KPageTableBase::MemoryRange* out,
+                                                   KProcessAddress address, size_t size,
+                                                   KMemoryPermission perm, bool is_aligned) {
+        R_RETURN(m_page_table.OpenMemoryRangeForMapDeviceAddressSpace(out, address, size, perm,
+                                                                      is_aligned));
+    }
+
+    Result OpenMemoryRangeForUnmapDeviceAddressSpace(KPageTableBase::MemoryRange* out,
+                                                     KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.OpenMemoryRangeForUnmapDeviceAddressSpace(out, address, size));
+    }
+
+    Result LockForIpcUserBuffer(KPhysicalAddress* out, KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.LockForIpcUserBuffer(out, address, size));
+    }
+
+    Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.UnlockForIpcUserBuffer(address, size));
+    }
+
+    Result LockForTransferMemory(KPageGroup* out, KProcessAddress address, size_t size,
+                                 KMemoryPermission perm) {
+        R_RETURN(m_page_table.LockForTransferMemory(out, address, size, perm));
+    }
+
+    Result UnlockForTransferMemory(KProcessAddress address, size_t size, const KPageGroup& pg) {
+        R_RETURN(m_page_table.UnlockForTransferMemory(address, size, pg));
+    }
+
+    Result LockForCodeMemory(KPageGroup* out, KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.LockForCodeMemory(out, address, size));
+    }
+
+    Result UnlockForCodeMemory(KProcessAddress address, size_t size, const KPageGroup& pg) {
+        R_RETURN(m_page_table.UnlockForCodeMemory(address, size, pg));
+    }
+
+    Result OpenMemoryRangeForProcessCacheOperation(KPageTableBase::MemoryRange* out,
+                                                   KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.OpenMemoryRangeForProcessCacheOperation(out, address, size));
+    }
+
+    Result CopyMemoryFromLinearToUser(KProcessAddress dst_addr, size_t size,
+                                      KProcessAddress src_addr, KMemoryState src_state_mask,
+                                      KMemoryState src_state, KMemoryPermission src_test_perm,
+                                      KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr) {
+        R_RETURN(m_page_table.CopyMemoryFromLinearToUser(dst_addr, size, src_addr, src_state_mask,
+                                                         src_state, src_test_perm, src_attr_mask,
+                                                         src_attr));
+    }
+
+    Result CopyMemoryFromLinearToKernel(void* dst_addr, size_t size, KProcessAddress src_addr,
+                                        KMemoryState src_state_mask, KMemoryState src_state,
+                                        KMemoryPermission src_test_perm,
+                                        KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr) {
+        R_RETURN(m_page_table.CopyMemoryFromLinearToKernel(dst_addr, size, src_addr, src_state_mask,
+                                                           src_state, src_test_perm, src_attr_mask,
+                                                           src_attr));
+    }
+
+    Result CopyMemoryFromUserToLinear(KProcessAddress dst_addr, size_t size,
+                                      KMemoryState dst_state_mask, KMemoryState dst_state,
+                                      KMemoryPermission dst_test_perm,
+                                      KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
+                                      KProcessAddress src_addr) {
+        R_RETURN(m_page_table.CopyMemoryFromUserToLinear(dst_addr, size, dst_state_mask, dst_state,
+                                                         dst_test_perm, dst_attr_mask, dst_attr,
+                                                         src_addr));
+    }
+
+    Result CopyMemoryFromKernelToLinear(KProcessAddress dst_addr, size_t size,
+                                        KMemoryState dst_state_mask, KMemoryState dst_state,
+                                        KMemoryPermission dst_test_perm,
+                                        KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
+                                        void* src_addr) {
+        R_RETURN(m_page_table.CopyMemoryFromKernelToLinear(dst_addr, size, dst_state_mask,
+                                                           dst_state, dst_test_perm, dst_attr_mask,
+                                                           dst_attr, src_addr));
+    }
+
+    Result CopyMemoryFromHeapToHeap(KProcessPageTable& dst_page_table, KProcessAddress dst_addr,
+                                    size_t size, KMemoryState dst_state_mask,
+                                    KMemoryState dst_state, KMemoryPermission dst_test_perm,
+                                    KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
+                                    KProcessAddress src_addr, KMemoryState src_state_mask,
+                                    KMemoryState src_state, KMemoryPermission src_test_perm,
+                                    KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr) {
+        R_RETURN(m_page_table.CopyMemoryFromHeapToHeap(
+            dst_page_table.m_page_table, dst_addr, size, dst_state_mask, dst_state, dst_test_perm,
+            dst_attr_mask, dst_attr, src_addr, src_state_mask, src_state, src_test_perm,
+            src_attr_mask, src_attr));
+    }
+
+    Result CopyMemoryFromHeapToHeapWithoutCheckDestination(
+        KProcessPageTable& dst_page_table, KProcessAddress dst_addr, size_t size,
+        KMemoryState dst_state_mask, KMemoryState dst_state, KMemoryPermission dst_test_perm,
+        KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr, KProcessAddress src_addr,
+        KMemoryState src_state_mask, KMemoryState src_state, KMemoryPermission src_test_perm,
+        KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr) {
+        R_RETURN(m_page_table.CopyMemoryFromHeapToHeapWithoutCheckDestination(
+            dst_page_table.m_page_table, dst_addr, size, dst_state_mask, dst_state, dst_test_perm,
+            dst_attr_mask, dst_attr, src_addr, src_state_mask, src_state, src_test_perm,
+            src_attr_mask, src_attr));
+    }
+
+    Result SetupForIpc(KProcessAddress* out_dst_addr, size_t size, KProcessAddress src_addr,
+                       KProcessPageTable& src_page_table, KMemoryPermission test_perm,
+                       KMemoryState dst_state, bool send) {
+        R_RETURN(m_page_table.SetupForIpc(out_dst_addr, size, src_addr, src_page_table.m_page_table,
+                                          test_perm, dst_state, send));
+    }
+
+    Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state) {
+        R_RETURN(m_page_table.CleanupForIpcServer(address, size, dst_state));
+    }
+
+    Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state) {
+        R_RETURN(m_page_table.CleanupForIpcClient(address, size, dst_state));
+    }
+
+    Result MapPhysicalMemory(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.MapPhysicalMemory(address, size));
+    }
+
+    Result UnmapPhysicalMemory(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.UnmapPhysicalMemory(address, size));
+    }
+
+    Result MapPhysicalMemoryUnsafe(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.MapPhysicalMemoryUnsafe(address, size));
+    }
+
+    Result UnmapPhysicalMemoryUnsafe(KProcessAddress address, size_t size) {
+        R_RETURN(m_page_table.UnmapPhysicalMemoryUnsafe(address, size));
+    }
+
+    Result UnmapProcessMemory(KProcessAddress dst_address, size_t size,
+                              KProcessPageTable& src_page_table, KProcessAddress src_address) {
+        R_RETURN(m_page_table.UnmapProcessMemory(dst_address, size, src_page_table.m_page_table,
+                                                 src_address));
+    }
+
+    bool GetPhysicalAddress(KPhysicalAddress* out, KProcessAddress address) {
+        return m_page_table.GetPhysicalAddress(out, address);
+    }
+
+    bool Contains(KProcessAddress addr, size_t size) const {
+        return m_page_table.Contains(addr, size);
+    }
+
+    bool IsInAliasRegion(KProcessAddress addr, size_t size) const {
+        return m_page_table.IsInAliasRegion(addr, size);
+    }
+    bool IsInHeapRegion(KProcessAddress addr, size_t size) const {
+        return m_page_table.IsInHeapRegion(addr, size);
+    }
+    bool IsInUnsafeAliasRegion(KProcessAddress addr, size_t size) const {
+        return m_page_table.IsInUnsafeAliasRegion(addr, size);
+    }
+
+    bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const {
+        return m_page_table.CanContain(addr, size, state);
+    }
+
+    KProcessAddress GetAddressSpaceStart() const {
+        return m_page_table.GetAddressSpaceStart();
+    }
+    KProcessAddress GetHeapRegionStart() const {
+        return m_page_table.GetHeapRegionStart();
+    }
+    KProcessAddress GetAliasRegionStart() const {
+        return m_page_table.GetAliasRegionStart();
+    }
+    KProcessAddress GetStackRegionStart() const {
+        return m_page_table.GetStackRegionStart();
+    }
+    KProcessAddress GetKernelMapRegionStart() const {
+        return m_page_table.GetKernelMapRegionStart();
+    }
+    KProcessAddress GetCodeRegionStart() const {
+        return m_page_table.GetCodeRegionStart();
+    }
+    KProcessAddress GetAliasCodeRegionStart() const {
+        return m_page_table.GetAliasCodeRegionStart();
+    }
+
+    size_t GetAddressSpaceSize() const {
+        return m_page_table.GetAddressSpaceSize();
+    }
+    size_t GetHeapRegionSize() const {
+        return m_page_table.GetHeapRegionSize();
+    }
+    size_t GetAliasRegionSize() const {
+        return m_page_table.GetAliasRegionSize();
+    }
+    size_t GetStackRegionSize() const {
+        return m_page_table.GetStackRegionSize();
+    }
+    size_t GetKernelMapRegionSize() const {
+        return m_page_table.GetKernelMapRegionSize();
+    }
+    size_t GetCodeRegionSize() const {
+        return m_page_table.GetCodeRegionSize();
+    }
+    size_t GetAliasCodeRegionSize() const {
+        return m_page_table.GetAliasCodeRegionSize();
+    }
+
+    size_t GetNormalMemorySize() const {
+        return m_page_table.GetNormalMemorySize();
+    }
+
+    size_t GetCodeSize() const {
+        return m_page_table.GetCodeSize();
+    }
+    size_t GetCodeDataSize() const {
+        return m_page_table.GetCodeDataSize();
+    }
+
+    size_t GetAliasCodeSize() const {
+        return m_page_table.GetAliasCodeSize();
+    }
+    size_t GetAliasCodeDataSize() const {
+        return m_page_table.GetAliasCodeDataSize();
+    }
+
+    u32 GetAllocateOption() const {
+        return m_page_table.GetAllocateOption();
+    }
+
+    u32 GetAddressSpaceWidth() const {
+        return m_page_table.GetAddressSpaceWidth();
+    }
+
+    KPhysicalAddress GetHeapPhysicalAddress(KVirtualAddress address) {
+        return m_page_table.GetHeapPhysicalAddress(address);
+    }
+
+    u8* GetHeapVirtualPointer(KPhysicalAddress address) {
+        return m_page_table.GetHeapVirtualPointer(address);
+    }
+
+    KVirtualAddress GetHeapVirtualAddress(KPhysicalAddress address) {
+        return m_page_table.GetHeapVirtualAddress(address);
+    }
+
+    KBlockInfoManager* GetBlockInfoManager() {
+        return m_page_table.GetBlockInfoManager();
+    }
+
+    KPageTable& GetBasePageTable() {
+        return m_page_table;
+    }
+
+    const KPageTable& GetBasePageTable() const {
+        return m_page_table;
+    }
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_server_session.cpp

@@ -383,7 +383,7 @@ Result KServerSession::SendReply(bool is_hle) {
         if (event != nullptr) {
             // // Get the client process/page table.
             // KProcess *client_process             = client_thread->GetOwnerProcess();
-            // KPageTable *client_page_table        = std::addressof(client_process->PageTable());
+            // KProcessPageTable *client_page_table = std::addressof(client_process->PageTable());
 
             // // If we need to, reply with an async error.
             // if (R_FAILED(client_result)) {

src/core/hle/kernel/k_system_resource.cpp

@@ -40,7 +40,7 @@ Result KSecureSystemResource::Initialize(size_t size, KResourceLimit* resource_l
 
     // Get resource pointer.
     KPhysicalAddress resource_paddr =
-        KPageTable::GetHeapPhysicalAddress(m_kernel.MemoryLayout(), m_resource_address);
+        KPageTable::GetHeapPhysicalAddress(m_kernel, m_resource_address);
     auto* resource =
         m_kernel.System().DeviceMemory().GetPointer<KPageTableManager::RefCount>(resource_paddr);
 

src/core/hle/kernel/k_thread_local_page.cpp

@@ -37,8 +37,8 @@ Result KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
 
 Result KThreadLocalPage::Finalize() {
     // Get the physical address of the page.
-    const KPhysicalAddress phys_addr = m_owner->GetPageTable().GetPhysicalAddr(m_virt_addr);
+    KPhysicalAddress phys_addr{};
-    ASSERT(phys_addr);
+    ASSERT(m_owner->GetPageTable().GetPhysicalAddress(std::addressof(phys_addr), m_virt_addr));
 
     // Unmap the page.
     R_TRY(m_owner->GetPageTable().UnmapPages(this->GetAddress(), 1, KMemoryState::ThreadLocal));

src/core/hle/kernel/svc/svc_memory.cpp

@@ -29,7 +29,8 @@ constexpr bool IsValidAddressRange(u64 address, u64 size) {
 // Helper function that performs the common sanity checks for svcMapMemory
 // and svcUnmapMemory. This is doable, as both functions perform their sanitizing
 // in the same order.
-Result MapUnmapMemorySanityChecks(const KPageTable& manager, u64 dst_addr, u64 src_addr, u64 size) {
+Result MapUnmapMemorySanityChecks(const KProcessPageTable& manager, u64 dst_addr, u64 src_addr,
+                                  u64 size) {
     if (!Common::Is4KBAligned(dst_addr)) {
         LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
         R_THROW(ResultInvalidAddress);
@@ -123,7 +124,8 @@ Result SetMemoryAttribute(Core::System& system, u64 address, u64 size, u32 mask,
     R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
 
     // Set the memory attribute.
-    R_RETURN(page_table.SetMemoryAttribute(address, size, mask, attr));
+    R_RETURN(page_table.SetMemoryAttribute(address, size, static_cast<KMemoryAttribute>(mask),
+                                           static_cast<KMemoryAttribute>(attr)));
 }
 
 /// Maps a memory range into a different range.

src/core/hle/kernel/svc/svc_physical_memory.cpp

@@ -16,7 +16,14 @@ Result SetHeapSize(Core::System& system, u64* out_address, u64 size) {
     R_UNLESS(size < MainMemorySizeMax, ResultInvalidSize);
 
     // Set the heap size.
-    R_RETURN(GetCurrentProcess(system.Kernel()).GetPageTable().SetHeapSize(out_address, size));
+    KProcessAddress address{};
+    R_TRY(GetCurrentProcess(system.Kernel())
+              .GetPageTable()
+              .SetHeapSize(std::addressof(address), size));
+
+    // We succeeded.
+    *out_address = GetInteger(address);
+    R_SUCCEED();
 }
 
 /// Maps memory at a desired address

src/core/hle/kernel/svc/svc_process_memory.cpp

@@ -247,8 +247,7 @@ Result UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 d
         R_THROW(ResultInvalidCurrentMemory);
     }
 
-    R_RETURN(page_table.UnmapCodeMemory(dst_address, src_address, size,
+    R_RETURN(page_table.UnmapCodeMemory(dst_address, src_address, size));
-                                        KPageTable::ICacheInvalidationStrategy::InvalidateAll));
 }
 
 Result SetProcessMemoryPermission64(Core::System& system, Handle process_handle, uint64_t address,

src/core/hle/kernel/svc/svc_query_memory.cpp

@@ -31,12 +31,12 @@ Result QueryProcessMemory(Core::System& system, uint64_t out_memory_info, PageIn
     }
 
     auto& current_memory{GetCurrentMemory(system.Kernel())};
-    const auto memory_info{process->GetPageTable().QueryInfo(address).GetSvcMemoryInfo()};
 
-    current_memory.WriteBlock(out_memory_info, std::addressof(memory_info), sizeof(memory_info));
+    KMemoryInfo mem_info;
+    R_TRY(process->GetPageTable().QueryInfo(std::addressof(mem_info), out_page_info, address));
 
-    //! This is supposed to be part of the QueryInfo call.
+    const auto svc_mem_info = mem_info.GetSvcMemoryInfo();
-    *out_page_info = {};
+    current_memory.WriteBlock(out_memory_info, std::addressof(svc_mem_info), sizeof(svc_mem_info));
 
     R_SUCCEED();
 }

src/core/hle/result.h

@@ -407,3 +407,34 @@ constexpr inline Result __TmpCurrentResultReference = ResultSuccess;
 
 /// Evaluates a boolean expression, and succeeds if that expression is true.
 #define R_SUCCEED_IF(expr) R_UNLESS(!(expr), ResultSuccess)
+
+#define R_TRY_CATCH(res_expr)                                                                      \
+    {                                                                                              \
+        const auto R_CURRENT_RESULT = (res_expr);                                                  \
+        if (R_FAILED(R_CURRENT_RESULT)) {                                                          \
+            if (false)
+
+#define R_END_TRY_CATCH                                                                            \
+    else if (R_FAILED(R_CURRENT_RESULT)) {                                                         \
+        R_THROW(R_CURRENT_RESULT);                                                                 \
+    }                                                                                              \
+    }                                                                                              \
+    }
+
+#define R_CATCH_ALL()                                                                              \
+    }                                                                                              \
+    else if (R_FAILED(R_CURRENT_RESULT)) {                                                         \
+        if (true)
+
+#define R_CATCH(res_expr)                                                                          \
+    }                                                                                              \
+    else if ((res_expr) == (R_CURRENT_RESULT)) {                                                   \
+        if (true)
+
+#define R_CONVERT(catch_type, convert_type)                                                        \
+    R_CATCH(catch_type) { R_THROW(static_cast<Result>(convert_type)); }
+
+#define R_CONVERT_ALL(convert_type)                                                                \
+    R_CATCH_ALL() { R_THROW(static_cast<Result>(convert_type)); }
+
+#define R_ASSERT(res_expr) ASSERT(R_SUCCEEDED(res_expr))

src/core/hle/service/hid/controllers/npad.cpp

@@ -1108,9 +1108,9 @@ Result Controller_NPad::DisconnectNpad(Core::HID::NpadIdType npad_id) {
     shared_memory->sixaxis_dual_right_properties.raw = 0;
     shared_memory->sixaxis_left_properties.raw = 0;
     shared_memory->sixaxis_right_properties.raw = 0;
-    shared_memory->battery_level_dual = 0;
+    shared_memory->battery_level_dual = Core::HID::NpadBatteryLevel::Empty;
-    shared_memory->battery_level_left = 0;
+    shared_memory->battery_level_left = Core::HID::NpadBatteryLevel::Empty;
-    shared_memory->battery_level_right = 0;
+    shared_memory->battery_level_right = Core::HID::NpadBatteryLevel::Empty;
     shared_memory->fullkey_color = {
         .attribute = ColorAttribute::NoController,
         .fullkey = {},

src/core/hle/service/hid/ring_lifo.h

@@ -32,15 +32,15 @@ struct Lifo {
     }
 
     std::size_t GetPreviousEntryIndex() const {
-        return static_cast<size_t>((buffer_tail + total_buffer_count - 1) % total_buffer_count);
+        return static_cast<size_t>((buffer_tail + max_buffer_size - 1) % max_buffer_size);
     }
 
     std::size_t GetNextEntryIndex() const {
-        return static_cast<size_t>((buffer_tail + 1) % total_buffer_count);
+        return static_cast<size_t>((buffer_tail + 1) % max_buffer_size);
     }
 
     void WriteNextEntry(const State& new_state) {
-        if (buffer_count < total_buffer_count - 1) {
+        if (buffer_count < static_cast<s64>(max_buffer_size) - 1) {
             buffer_count++;
         }
         buffer_tail = GetNextEntryIndex();

src/core/hle/service/ldr/ldr.cpp

@@ -286,9 +286,14 @@ public:
         rb.Push(ResultSuccess);
     }
 
-    bool ValidateRegionForMap(Kernel::KPageTable& page_table, VAddr start, std::size_t size) const {
+    bool ValidateRegionForMap(Kernel::KProcessPageTable& page_table, VAddr start,
+                              std::size_t size) const {
         const std::size_t padding_size{page_table.GetNumGuardPages() * Kernel::PageSize};
-        const auto start_info{page_table.QueryInfo(start - 1)};
+
+        Kernel::KMemoryInfo start_info;
+        Kernel::Svc::PageInfo page_info;
+        R_ASSERT(
+            page_table.QueryInfo(std::addressof(start_info), std::addressof(page_info), start - 1));
 
         if (start_info.GetState() != Kernel::KMemoryState::Free) {
             return {};
@@ -298,7 +303,9 @@ public:
             return {};
         }
 
-        const auto end_info{page_table.QueryInfo(start + size)};
+        Kernel::KMemoryInfo end_info;
+        R_ASSERT(page_table.QueryInfo(std::addressof(end_info), std::addressof(page_info),
+                                      start + size));
 
         if (end_info.GetState() != Kernel::KMemoryState::Free) {
             return {};
@@ -307,7 +314,7 @@ public:
         return (start + size + padding_size) <= (end_info.GetAddress() + end_info.GetSize());
     }
 
-    Result GetAvailableMapRegion(Kernel::KPageTable& page_table, u64 size, VAddr& out_addr) {
+    Result GetAvailableMapRegion(Kernel::KProcessPageTable& page_table, u64 size, VAddr& out_addr) {
         size = Common::AlignUp(size, Kernel::PageSize);
         size += page_table.GetNumGuardPages() * Kernel::PageSize * 4;
 
@@ -391,12 +398,8 @@ public:
 
             if (bss_size) {
                 auto block_guard = detail::ScopeExit([&] {
-                    page_table.UnmapCodeMemory(
+                    page_table.UnmapCodeMemory(addr + nro_size, bss_addr, bss_size);
-                        addr + nro_size, bss_addr, bss_size,
+                    page_table.UnmapCodeMemory(addr, nro_addr, nro_size);
-                        Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange);
-                    page_table.UnmapCodeMemory(
-                        addr, nro_addr, nro_size,
-                        Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange);
                 });
 
                 const Result result{page_table.MapCodeMemory(addr + nro_size, bss_addr, bss_size)};
@@ -578,21 +581,17 @@ public:
         auto& page_table{system.ApplicationProcess()->GetPageTable()};
 
         if (info.bss_size != 0) {
-            R_TRY(page_table.UnmapCodeMemory(
+            R_TRY(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size +
-                info.nro_address + info.text_size + info.ro_size + info.data_size, info.bss_address,
+                                                 info.data_size,
-                info.bss_size, Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
+                                             info.bss_address, info.bss_size));
         }
 
-        R_TRY(page_table.UnmapCodeMemory(
+        R_TRY(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size,
-            info.nro_address + info.text_size + info.ro_size,
+                                         info.src_addr + info.text_size + info.ro_size,
-            info.src_addr + info.text_size + info.ro_size, info.data_size,
+                                         info.data_size));
-            Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
+        R_TRY(page_table.UnmapCodeMemory(info.nro_address + info.text_size,
-        R_TRY(page_table.UnmapCodeMemory(
+                                         info.src_addr + info.text_size, info.ro_size));
-            info.nro_address + info.text_size, info.src_addr + info.text_size, info.ro_size,
+        R_TRY(page_table.UnmapCodeMemory(info.nro_address, info.src_addr, info.text_size));
-            Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
-        R_TRY(page_table.UnmapCodeMemory(
-            info.nro_address, info.src_addr, info.text_size,
-            Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
         return ResultSuccess;
     }
 

src/core/hle/service/nvnflinger/buffer_item.h

@@ -15,7 +15,7 @@
 
 namespace Service::android {
 
-struct GraphicBuffer;
+class GraphicBuffer;
 
 class BufferItem final {
 public:

src/core/hle/service/nvnflinger/buffer_queue_consumer.cpp

@@ -5,7 +5,6 @@
 // https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueConsumer.cpp
 
 #include "common/logging/log.h"
-#include "core/hle/service/nvdrv/core/nvmap.h"
 #include "core/hle/service/nvnflinger/buffer_item.h"
 #include "core/hle/service/nvnflinger/buffer_queue_consumer.h"
 #include "core/hle/service/nvnflinger/buffer_queue_core.h"
@@ -14,9 +13,8 @@
 
 namespace Service::android {
 
-BufferQueueConsumer::BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_,
+BufferQueueConsumer::BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_)
-                                         Service::Nvidia::NvCore::NvMap& nvmap_)
+    : core{std::move(core_)}, slots{core->slots} {}
-    : core{std::move(core_)}, slots{core->slots}, nvmap(nvmap_) {}
 
 BufferQueueConsumer::~BufferQueueConsumer() = default;
 
@@ -136,8 +134,6 @@ Status BufferQueueConsumer::ReleaseBuffer(s32 slot, u64 frame_number, const Fenc
 
         slots[slot].buffer_state = BufferState::Free;
 
-        nvmap.FreeHandle(slots[slot].graphic_buffer->BufferId(), true);
-
         listener = core->connected_producer_listener;
 
         LOG_DEBUG(Service_Nvnflinger, "releasing slot {}", slot);
@@ -175,6 +171,25 @@ Status BufferQueueConsumer::Connect(std::shared_ptr<IConsumerListener> consumer_
     return Status::NoError;
 }
 
+Status BufferQueueConsumer::Disconnect() {
+    LOG_DEBUG(Service_Nvnflinger, "called");
+
+    std::scoped_lock lock{core->mutex};
+
+    if (core->consumer_listener == nullptr) {
+        LOG_ERROR(Service_Nvnflinger, "no consumer is connected");
+        return Status::BadValue;
+    }
+
+    core->is_abandoned = true;
+    core->consumer_listener = nullptr;
+    core->queue.clear();
+    core->FreeAllBuffersLocked();
+    core->SignalDequeueCondition();
+
+    return Status::NoError;
+}
+
 Status BufferQueueConsumer::GetReleasedBuffers(u64* out_slot_mask) {
     if (out_slot_mask == nullptr) {
         LOG_ERROR(Service_Nvnflinger, "out_slot_mask may not be nullptr");

src/core/hle/service/nvnflinger/buffer_queue_consumer.h

@@ -13,10 +13,6 @@
 #include "core/hle/service/nvnflinger/buffer_queue_defs.h"
 #include "core/hle/service/nvnflinger/status.h"
 
-namespace Service::Nvidia::NvCore {
-class NvMap;
-} // namespace Service::Nvidia::NvCore
-
 namespace Service::android {
 
 class BufferItem;
@@ -25,19 +21,18 @@ class IConsumerListener;
 
 class BufferQueueConsumer final {
 public:
-    explicit BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_,
+    explicit BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_);
-                                 Service::Nvidia::NvCore::NvMap& nvmap_);
     ~BufferQueueConsumer();
 
     Status AcquireBuffer(BufferItem* out_buffer, std::chrono::nanoseconds expected_present);
     Status ReleaseBuffer(s32 slot, u64 frame_number, const Fence& release_fence);
     Status Connect(std::shared_ptr<IConsumerListener> consumer_listener, bool controlled_by_app);
+    Status Disconnect();
     Status GetReleasedBuffers(u64* out_slot_mask);
 
 private:
     std::shared_ptr<BufferQueueCore> core;
     BufferQueueDefs::SlotsType& slots;
-    Service::Nvidia::NvCore::NvMap& nvmap;
 };
 
 } // namespace Service::android

src/core/hle/service/nvnflinger/buffer_queue_core.cpp

@@ -14,24 +14,12 @@ BufferQueueCore::BufferQueueCore() = default;
 
 BufferQueueCore::~BufferQueueCore() = default;
 
-void BufferQueueCore::NotifyShutdown() {
-    std::scoped_lock lock{mutex};
-
-    is_shutting_down = true;
-
-    SignalDequeueCondition();
-}
-
 void BufferQueueCore::SignalDequeueCondition() {
     dequeue_possible.store(true);
     dequeue_condition.notify_all();
 }
 
 bool BufferQueueCore::WaitForDequeueCondition(std::unique_lock<std::mutex>& lk) {
-    if (is_shutting_down) {
-        return false;
-    }
-
     dequeue_condition.wait(lk, [&] { return dequeue_possible.load(); });
     dequeue_possible.store(false);
 

src/core/hle/service/nvnflinger/buffer_queue_core.h

@@ -34,8 +34,6 @@ public:
     BufferQueueCore();
     ~BufferQueueCore();
 
-    void NotifyShutdown();
-
 private:
     void SignalDequeueCondition();
     bool WaitForDequeueCondition(std::unique_lock<std::mutex>& lk);
@@ -74,7 +72,6 @@ private:
     u32 transform_hint{};
     bool is_allocating{};
     mutable std::condition_variable_any is_allocating_condition;
-    bool is_shutting_down{};
 };
 
 } // namespace Service::android

src/core/hle/service/nvnflinger/buffer_queue_producer.cpp

@@ -13,7 +13,6 @@
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/service/hle_ipc.h"
 #include "core/hle/service/kernel_helpers.h"
-#include "core/hle/service/nvdrv/core/nvmap.h"
 #include "core/hle/service/nvnflinger/buffer_queue_core.h"
 #include "core/hle/service/nvnflinger/buffer_queue_producer.h"
 #include "core/hle/service/nvnflinger/consumer_listener.h"
@@ -533,8 +532,6 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
         item.is_droppable = core->dequeue_buffer_cannot_block || async;
         item.swap_interval = swap_interval;
 
-        nvmap.DuplicateHandle(item.graphic_buffer->BufferId(), true);
-
         sticky_transform = sticky_transform_;
 
         if (core->queue.empty()) {
@@ -744,19 +741,13 @@ Status BufferQueueProducer::Disconnect(NativeWindowApi api) {
             return Status::NoError;
         }
 
-        // HACK: We are not Android. Remove handle for items in queue, and clear queue.
-        // Allows synchronous destruction of nvmap handles.
-        for (auto& item : core->queue) {
-            nvmap.FreeHandle(item.graphic_buffer->BufferId(), true);
-        }
-        core->queue.clear();
-
         switch (api) {
         case NativeWindowApi::Egl:
         case NativeWindowApi::Cpu:
         case NativeWindowApi::Media:
         case NativeWindowApi::Camera:
             if (core->connected_api == api) {
+                core->queue.clear();
                 core->FreeAllBuffersLocked();
                 core->connected_producer_listener = nullptr;
                 core->connected_api = NativeWindowApi::NoConnectedApi;
@@ -785,7 +776,7 @@ Status BufferQueueProducer::Disconnect(NativeWindowApi api) {
 }
 
 Status BufferQueueProducer::SetPreallocatedBuffer(s32 slot,
-                                                  const std::shared_ptr<GraphicBuffer>& buffer) {
+                                                  const std::shared_ptr<NvGraphicBuffer>& buffer) {
     LOG_DEBUG(Service_Nvnflinger, "slot {}", slot);
 
     if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
@@ -796,7 +787,7 @@ Status BufferQueueProducer::SetPreallocatedBuffer(s32 slot,
 
     slots[slot] = {};
     slots[slot].fence = Fence::NoFence();
-    slots[slot].graphic_buffer = buffer;
+    slots[slot].graphic_buffer = std::make_shared<GraphicBuffer>(nvmap, buffer);
     slots[slot].frame_number = 0;
 
     // Most games preallocate a buffer and pass a valid buffer here. However, it is possible for
@@ -839,7 +830,7 @@ void BufferQueueProducer::Transact(HLERequestContext& ctx, TransactionId code, u
     }
     case TransactionId::SetPreallocatedBuffer: {
         const auto slot = parcel_in.Read<s32>();
-        const auto buffer = parcel_in.ReadObject<GraphicBuffer>();
+        const auto buffer = parcel_in.ReadObject<NvGraphicBuffer>();
 
         status = SetPreallocatedBuffer(slot, buffer);
         break;
@@ -867,7 +858,7 @@ void BufferQueueProducer::Transact(HLERequestContext& ctx, TransactionId code, u
 
         status = RequestBuffer(slot, &buf);
 
-        parcel_out.WriteFlattenedObject(buf);
+        parcel_out.WriteFlattenedObject<NvGraphicBuffer>(buf.get());
         break;
     }
     case TransactionId::QueueBuffer: {

src/core/hle/service/nvnflinger/buffer_queue_producer.h

@@ -38,6 +38,7 @@ namespace Service::android {
 
 class BufferQueueCore;
 class IProducerListener;
+struct NvGraphicBuffer;
 
 class BufferQueueProducer final : public IBinder {
 public:
@@ -65,7 +66,7 @@ public:
                    bool producer_controlled_by_app, QueueBufferOutput* output);
 
     Status Disconnect(NativeWindowApi api);
-    Status SetPreallocatedBuffer(s32 slot, const std::shared_ptr<GraphicBuffer>& buffer);
+    Status SetPreallocatedBuffer(s32 slot, const std::shared_ptr<NvGraphicBuffer>& buffer);
 
 private:
     BufferQueueProducer(const BufferQueueProducer&) = delete;

src/core/hle/service/nvnflinger/buffer_slot.h

@@ -13,7 +13,7 @@
 
 namespace Service::android {
 
-struct GraphicBuffer;
+class GraphicBuffer;
 
 enum class BufferState : u32 {
     Free = 0,

src/core/hle/service/nvnflinger/consumer_base.cpp

@@ -27,6 +27,26 @@ void ConsumerBase::Connect(bool controlled_by_app) {
     consumer->Connect(shared_from_this(), controlled_by_app);
 }
 
+void ConsumerBase::Abandon() {
+    LOG_DEBUG(Service_Nvnflinger, "called");
+
+    std::scoped_lock lock{mutex};
+
+    if (!is_abandoned) {
+        this->AbandonLocked();
+        is_abandoned = true;
+    }
+}
+
+void ConsumerBase::AbandonLocked() {
+    for (int i = 0; i < BufferQueueDefs::NUM_BUFFER_SLOTS; i++) {
+        this->FreeBufferLocked(i);
+    }
+    // disconnect from the BufferQueue
+    consumer->Disconnect();
+    consumer = nullptr;
+}
+
 void ConsumerBase::FreeBufferLocked(s32 slot_index) {
     LOG_DEBUG(Service_Nvnflinger, "slot_index={}", slot_index);
 

src/core/hle/service/nvnflinger/consumer_base.h

@@ -24,6 +24,7 @@ class BufferQueueConsumer;
 class ConsumerBase : public IConsumerListener, public std::enable_shared_from_this<ConsumerBase> {
 public:
     void Connect(bool controlled_by_app);
+    void Abandon();
 
 protected:
     explicit ConsumerBase(std::unique_ptr<BufferQueueConsumer> consumer_);
@@ -34,6 +35,7 @@ protected:
     void OnBuffersReleased() override;
     void OnSidebandStreamChanged() override;
 
+    void AbandonLocked();
     void FreeBufferLocked(s32 slot_index);
     Status AcquireBufferLocked(BufferItem* item, std::chrono::nanoseconds present_when);
     Status ReleaseBufferLocked(s32 slot, const std::shared_ptr<GraphicBuffer>& graphic_buffer);

src/core/hle/service/nvnflinger/fb_share_buffer_manager.cpp

@@ -166,7 +166,7 @@ constexpr SharedMemoryPoolLayout SharedBufferPoolLayout = [] {
 }();
 
 void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 slot, u32 handle) {
-    auto buffer = std::make_shared<android::GraphicBuffer>();
+    auto buffer = std::make_shared<android::NvGraphicBuffer>();
     buffer->width = SharedBufferWidth;
     buffer->height = SharedBufferHeight;
     buffer->stride = SharedBufferBlockLinearStride;

src/core/hle/service/nvnflinger/nvnflinger.cpp

@@ -47,7 +47,10 @@ void Nvnflinger::SplitVSync(std::stop_token stop_token) {
         vsync_signal.Wait();
 
         const auto lock_guard = Lock();
-        Compose();
+
+        if (!is_abandoned) {
+            Compose();
+        }
     }
 }
 
@@ -98,7 +101,6 @@ Nvnflinger::~Nvnflinger() {
     }
 
     ShutdownLayers();
-    vsync_thread = {};
 
     if (nvdrv) {
         nvdrv->Close(disp_fd);
@@ -106,12 +108,20 @@ Nvnflinger::~Nvnflinger() {
 }
 
 void Nvnflinger::ShutdownLayers() {
-    const auto lock_guard = Lock();
+    // Abandon consumers.
-    for (auto& display : displays) {
+    {
-        for (size_t layer = 0; layer < display.GetNumLayers(); ++layer) {
+        const auto lock_guard = Lock();
-            display.GetLayer(layer).Core().NotifyShutdown();
+        for (auto& display : displays) {
+            for (size_t layer = 0; layer < display.GetNumLayers(); ++layer) {
+                display.GetLayer(layer).GetConsumer().Abandon();
+            }
         }
+
+        is_abandoned = true;
     }
+
+    // Join the vsync thread, if it exists.
+    vsync_thread = {};
 }
 
 void Nvnflinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) {

src/core/hle/service/nvnflinger/nvnflinger.h

@@ -140,6 +140,8 @@ private:
 
     s32 swap_interval = 1;
 
+    bool is_abandoned = false;
+
     /// Event that handles screen composition.
     std::shared_ptr<Core::Timing::EventType> multi_composition_event;
     std::shared_ptr<Core::Timing::EventType> single_composition_event;

src/core/hle/service/nvnflinger/status.h

@@ -19,7 +19,7 @@ enum class Status : s32 {
     Busy = -16,
     NoInit = -19,
     BadValue = -22,
-    InvalidOperation = -37,
+    InvalidOperation = -38,
     BufferNeedsReallocation = 1,
     ReleaseAllBuffers = 2,
 };

src/core/hle/service/nvnflinger/ui/graphic_buffer.cpp

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/nvdrv/core/nvmap.h"
+#include "core/hle/service/nvnflinger/ui/graphic_buffer.h"
+
+namespace Service::android {
+
+static NvGraphicBuffer GetBuffer(std::shared_ptr<NvGraphicBuffer>& buffer) {
+    if (buffer) {
+        return *buffer;
+    } else {
+        return {};
+    }
+}
+
+GraphicBuffer::GraphicBuffer(u32 width_, u32 height_, PixelFormat format_, u32 usage_)
+    : NvGraphicBuffer(width_, height_, format_, usage_), m_nvmap(nullptr) {}
+
+GraphicBuffer::GraphicBuffer(Service::Nvidia::NvCore::NvMap& nvmap,
+                             std::shared_ptr<NvGraphicBuffer> buffer)
+    : NvGraphicBuffer(GetBuffer(buffer)), m_nvmap(std::addressof(nvmap)) {
+    if (this->BufferId() > 0) {
+        m_nvmap->DuplicateHandle(this->BufferId(), true);
+    }
+}
+
+GraphicBuffer::~GraphicBuffer() {
+    if (m_nvmap != nullptr && this->BufferId() > 0) {
+        m_nvmap->FreeHandle(this->BufferId(), true);
+    }
+}
+
+} // namespace Service::android

src/core/hle/service/nvnflinger/ui/graphic_buffer.h

@@ -6,16 +6,22 @@
 
 #pragma once
 
+#include <memory>
+
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/hle/service/nvnflinger/pixel_format.h"
 
+namespace Service::Nvidia::NvCore {
+class NvMap;
+} // namespace Service::Nvidia::NvCore
+
 namespace Service::android {
 
-struct GraphicBuffer final {
+struct NvGraphicBuffer {
-    constexpr GraphicBuffer() = default;
+    constexpr NvGraphicBuffer() = default;
 
-    constexpr GraphicBuffer(u32 width_, u32 height_, PixelFormat format_, u32 usage_)
+    constexpr NvGraphicBuffer(u32 width_, u32 height_, PixelFormat format_, u32 usage_)
         : width{static_cast<s32>(width_)}, height{static_cast<s32>(height_)}, format{format_},
           usage{static_cast<s32>(usage_)} {}
 
@@ -93,6 +99,17 @@ struct GraphicBuffer final {
     u32 offset{};
     INSERT_PADDING_WORDS(60);
 };
-static_assert(sizeof(GraphicBuffer) == 0x16C, "GraphicBuffer has wrong size");
+static_assert(sizeof(NvGraphicBuffer) == 0x16C, "NvGraphicBuffer has wrong size");
+
+class GraphicBuffer final : public NvGraphicBuffer {
+public:
+    explicit GraphicBuffer(u32 width, u32 height, PixelFormat format, u32 usage);
+    explicit GraphicBuffer(Service::Nvidia::NvCore::NvMap& nvmap,
+                           std::shared_ptr<NvGraphicBuffer> buffer);
+    ~GraphicBuffer();
+
+private:
+    Service::Nvidia::NvCore::NvMap* m_nvmap{};
+};
 
 } // namespace Service::android

src/core/hle/service/vi/display/vi_display.cpp

@@ -35,7 +35,7 @@ static BufferQueue CreateBufferQueue(KernelHelpers::ServiceContext& service_cont
     return {
         buffer_queue_core,
         std::make_unique<android::BufferQueueProducer>(service_context, buffer_queue_core, nvmap),
-        std::make_unique<android::BufferQueueConsumer>(buffer_queue_core, nvmap)};
+        std::make_unique<android::BufferQueueConsumer>(buffer_queue_core)};
 }
 
 Display::Display(u64 id, std::string name_,

src/core/memory.cpp

@@ -41,7 +41,7 @@ struct Memory::Impl {
     explicit Impl(Core::System& system_) : system{system_} {}
 
     void SetCurrentPageTable(Kernel::KProcess& process, u32 core_id) {
-        current_page_table = &process.GetPageTable().PageTableImpl();
+        current_page_table = &process.GetPageTable().GetImpl();
         current_page_table->fastmem_arena = system.DeviceMemory().buffer.VirtualBasePointer();
 
         const std::size_t address_space_width = process.GetPageTable().GetAddressSpaceWidth();
@@ -195,7 +195,7 @@ struct Memory::Impl {
 
     bool WalkBlock(const Common::ProcessAddress addr, const std::size_t size, auto on_unmapped,
                    auto on_memory, auto on_rasterizer, auto increment) {
-        const auto& page_table = system.ApplicationProcess()->GetPageTable().PageTableImpl();
+        const auto& page_table = system.ApplicationProcess()->GetPageTable().GetImpl();
         std::size_t remaining_size = size;
         std::size_t page_index = addr >> YUZU_PAGEBITS;
         std::size_t page_offset = addr & YUZU_PAGEMASK;
@@ -826,7 +826,7 @@ void Memory::UnmapRegion(Common::PageTable& page_table, Common::ProcessAddress b
 
 bool Memory::IsValidVirtualAddress(const Common::ProcessAddress vaddr) const {
     const Kernel::KProcess& process = *system.ApplicationProcess();
-    const auto& page_table = process.GetPageTable().PageTableImpl();
+    const auto& page_table = process.GetPageTable().GetImpl();
     const size_t page = vaddr >> YUZU_PAGEBITS;
     if (page >= page_table.pointers.size()) {
         return false;

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -924,9 +924,13 @@ void RasterizerVulkan::UpdateDynamicStates() {
 }
 
 void RasterizerVulkan::HandleTransformFeedback() {
+    static std::once_flag warn_unsupported;
+
     const auto& regs = maxwell3d->regs;
     if (!device.IsExtTransformFeedbackSupported()) {
-        LOG_ERROR(Render_Vulkan, "Transform feedbacks used but not supported");
+        std::call_once(warn_unsupported, [&] {
+            LOG_ERROR(Render_Vulkan, "Transform feedbacks used but not supported");
+        });
         return;
     }
     query_cache.CounterEnable(VideoCommon::QueryType::StreamingByteCount,