Service: add fatal:u, fatal:p services

GPU: Added registers for color and Z buffers.

src/common/logging/backend.cpp

@@ -37,6 +37,7 @@ namespace Log {
     SUB(Service, AM)                                                                               \
     SUB(Service, AOC)                                                                              \
     SUB(Service, APM)                                                                              \
+    SUB(Service, Fatal)                                                                            \
     SUB(Service, Friend)                                                                           \
     SUB(Service, FS)                                                                               \
     SUB(Service, HID)                                                                              \

src/common/logging/log.h

@@ -54,6 +54,7 @@ enum class Class : ClassType {
     Service_AOC,       ///< The AOC (AddOn Content) service
     Service_APM,       ///< The APM (Performance) service
     Service_Audio,     ///< The Audio (Audio control) service
+    Service_Fatal,     ///< The Fatal service
     Service_Friend,    ///< The friend service
     Service_FS,        ///< The FS (Filesystem) service
     Service_HID,       ///< The HID (Human interface device) service

src/core/CMakeLists.txt

@@ -7,6 +7,8 @@ add_library(core STATIC
     core_timing.cpp
     core_timing.h
     file_sys/directory.h
+    file_sys/disk_filesystem.cpp
+    file_sys/disk_filesystem.h
     file_sys/errors.h
     file_sys/filesystem.cpp
     file_sys/filesystem.h
@@ -18,6 +20,8 @@ add_library(core STATIC
     file_sys/romfs_factory.h
     file_sys/romfs_filesystem.cpp
     file_sys/romfs_filesystem.h
+    file_sys/savedata_factory.cpp
+    file_sys/savedata_factory.h
     file_sys/storage.h
     frontend/emu_window.cpp
     frontend/emu_window.h
@@ -110,6 +114,12 @@ add_library(core STATIC
     hle/service/audio/audren_u.h
     hle/service/audio/codecctl.cpp
     hle/service/audio/codecctl.h
+    hle/service/fatal/fatal.cpp
+    hle/service/fatal/fatal.h
+    hle/service/fatal/fatal_p.cpp
+    hle/service/fatal/fatal_p.h
+    hle/service/fatal/fatal_u.cpp
+    hle/service/fatal/fatal_u.h
     hle/service/filesystem/filesystem.cpp
     hle/service/filesystem/filesystem.h
     hle/service/filesystem/fsp_srv.cpp
@@ -165,6 +175,14 @@ add_library(core STATIC
     hle/service/service.h
     hle/service/set/set.cpp
     hle/service/set/set.h
+    hle/service/set/set_cal.cpp
+    hle/service/set/set_cal.h
+    hle/service/set/set_fd.cpp
+    hle/service/set/set_fd.h
+    hle/service/set/set_sys.cpp
+    hle/service/set/set_sys.h
+    hle/service/set/settings.cpp
+    hle/service/set/settings.h
     hle/service/sm/controller.cpp
     hle/service/sm/controller.h
     hle/service/sm/sm.cpp

src/core/arm/arm_interface.h

@@ -25,22 +25,18 @@ public:
         VAddr tls_address;
     };
 
-    /**
-     * Runs the CPU for the given number of instructions
-     * @param num_instructions Number of instructions to run
-     */
-    void Run(int num_instructions) {
-        ExecuteInstructions(num_instructions);
-        this->num_instructions += num_instructions;
-    }
+    /// Runs the CPU until an event happens
+    virtual void Run() = 0;
 
     /// Step CPU by one instruction
-    void Step() {
-        Run(1);
-    }
+    virtual void Step() = 0;
 
+    /// Maps a backing memory region for the CPU
     virtual void MapBackingMemory(VAddr address, size_t size, u8* memory,
-                                  Kernel::VMAPermission perms) {}
+                                  Kernel::VMAPermission perms) = 0;
+
+    /// Unmaps a region of memory that was previously mapped using MapBackingMemory
+    virtual void UnmapMemory(VAddr address, size_t size) = 0;
 
     /// Clear all instruction cache
     virtual void ClearInstructionCache() = 0;
@@ -122,19 +118,4 @@ public:
 
     /// Prepare core for thread reschedule (if needed to correctly handle state)
     virtual void PrepareReschedule() = 0;
-
-    /// Getter for num_instructions
-    u64 GetNumInstructions() const {
-        return num_instructions;
-    }
-
-protected:
-    /**
-     * Executes the given number of instructions
-     * @param num_instructions Number of instructions to executes
-     */
-    virtual void ExecuteInstructions(int num_instructions) = 0;
-
-private:
-    u64 num_instructions = 0; ///< Number of instructions executed
 };

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -8,6 +8,7 @@
 #include <dynarmic/A64/config.h>
 #include "common/logging/log.h"
 #include "core/arm/dynarmic/arm_dynarmic.h"
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/memory.h"
 #include "core/hle/kernel/svc.h"
@@ -106,7 +107,7 @@ public:
 };
 
 std::unique_ptr<Dynarmic::A64::Jit> MakeJit(const std::unique_ptr<ARM_Dynarmic_Callbacks>& cb) {
-    const auto page_table = Kernel::g_current_process->vm_manager.page_table.pointers.data();
+    const auto page_table = Core::CurrentProcess()->vm_manager.page_table.pointers.data();
 
     Dynarmic::A64::UserConfig config;
     config.callbacks = cb.get();
@@ -121,11 +122,22 @@ std::unique_ptr<Dynarmic::A64::Jit> MakeJit(const std::unique_ptr<ARM_Dynarmic_C
     return std::make_unique<Dynarmic::A64::Jit>(config);
 }
 
+void ARM_Dynarmic::Run() {
+    ASSERT(Memory::GetCurrentPageTable() == current_page_table);
+
+    jit->Run();
+}
+
+void ARM_Dynarmic::Step() {
+    cb->InterpreterFallback(jit->GetPC(), 1);
+}
+
 ARM_Dynarmic::ARM_Dynarmic()
     : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), jit(MakeJit(cb)) {
     ARM_Interface::ThreadContext ctx;
     inner_unicorn.SaveContext(ctx);
     LoadContext(ctx);
+    PageTableChanged();
 }
 
 ARM_Dynarmic::~ARM_Dynarmic() = default;
@@ -135,6 +147,10 @@ void ARM_Dynarmic::MapBackingMemory(u64 address, size_t size, u8* memory,
     inner_unicorn.MapBackingMemory(address, size, memory, perms);
 }
 
+void ARM_Dynarmic::UnmapMemory(u64 address, size_t size) {
+    inner_unicorn.UnmapMemory(address, size);
+}
+
 void ARM_Dynarmic::SetPC(u64 pc) {
     jit->SetPC(pc);
 }
@@ -184,13 +200,6 @@ void ARM_Dynarmic::SetTlsAddress(u64 address) {
     cb->tpidrro_el0 = address;
 }
 
-void ARM_Dynarmic::ExecuteInstructions(int num_instructions) {
-    cb->ticks_remaining = num_instructions;
-    jit->Run();
-    CoreTiming::AddTicks(num_instructions - cb->num_interpreted_instructions);
-    cb->num_interpreted_instructions = 0;
-}
-
 void ARM_Dynarmic::SaveContext(ARM_Interface::ThreadContext& ctx) {
     ctx.cpu_registers = jit->GetRegisters();
     ctx.sp = jit->GetSP();
@@ -223,4 +232,5 @@ void ARM_Dynarmic::ClearInstructionCache() {
 
 void ARM_Dynarmic::PageTableChanged() {
     jit = MakeJit(cb);
+    current_page_table = Memory::GetCurrentPageTable();
 }

src/core/arm/dynarmic/arm_dynarmic.h

@@ -19,7 +19,7 @@ public:
 
     void MapBackingMemory(VAddr address, size_t size, u8* memory,
                           Kernel::VMAPermission perms) override;
-
+    void UnmapMemory(u64 address, size_t size) override;
     void SetPC(u64 pc) override;
     u64 GetPC() const override;
     u64 GetReg(int index) const override;
@@ -29,6 +29,8 @@ public:
     u32 GetVFPReg(int index) const override;
     void SetVFPReg(int index, u32 value) override;
     u32 GetCPSR() const override;
+    void Run() override;
+    void Step() override;
     void SetCPSR(u32 cpsr) override;
     VAddr GetTlsAddress() const override;
     void SetTlsAddress(VAddr address) override;
@@ -37,7 +39,6 @@ public:
     void LoadContext(const ThreadContext& ctx) override;
 
     void PrepareReschedule() override;
-    void ExecuteInstructions(int num_instructions) override;
 
     void ClearInstructionCache() override;
     void PageTableChanged() override;
@@ -47,4 +48,6 @@ private:
     std::unique_ptr<ARM_Dynarmic_Callbacks> cb;
     std::unique_ptr<Dynarmic::A64::Jit> jit;
     ARM_Unicorn inner_unicorn;
+
+    Memory::PageTable* current_page_table = nullptr;
 };

src/core/arm/unicorn/arm_unicorn.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <unicorn/arm64.h>
 #include "common/assert.h"
 #include "common/microprofile.h"
@@ -52,7 +53,7 @@ static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int si
                                void* user_data) {
     ARM_Interface::ThreadContext ctx{};
     Core::CPU().SaveContext(ctx);
-    ASSERT_MSG(false, "Attempted to read from unmapped memory: 0x%llx, pc=0x%llx, lr=0x%llx", addr,
+    ASSERT_MSG(false, "Attempted to read from unmapped memory: 0x%lx, pc=0x%lx, lr=0x%lx", addr,
                ctx.pc, ctx.cpu_registers[30]);
     return {};
 }
@@ -77,6 +78,10 @@ void ARM_Unicorn::MapBackingMemory(VAddr address, size_t size, u8* memory,
     CHECKED(uc_mem_map_ptr(uc, address, size, static_cast<u32>(perms), memory));
 }
 
+void ARM_Unicorn::UnmapMemory(VAddr address, size_t size) {
+    CHECKED(uc_mem_unmap(uc, address, size));
+}
+
 void ARM_Unicorn::SetPC(u64 pc) {
     CHECKED(uc_reg_write(uc, UC_ARM64_REG_PC, &pc));
 }
@@ -149,6 +154,14 @@ void ARM_Unicorn::SetTlsAddress(VAddr base) {
     CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDRRO_EL0, &base));
 }
 
+void ARM_Unicorn::Run() {
+    ExecuteInstructions(std::max(CoreTiming::GetDowncount(), 0));
+}
+
+void ARM_Unicorn::Step() {
+    ExecuteInstructions(1);
+}
+
 MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
 
 void ARM_Unicorn::ExecuteInstructions(int num_instructions) {

src/core/arm/unicorn/arm_unicorn.h

@@ -14,6 +14,7 @@ public:
     ~ARM_Unicorn();
     void MapBackingMemory(VAddr address, size_t size, u8* memory,
                           Kernel::VMAPermission perms) override;
+    void UnmapMemory(VAddr address, size_t size) override;
     void SetPC(u64 pc) override;
     u64 GetPC() const override;
     u64 GetReg(int index) const override;
@@ -29,7 +30,9 @@ public:
     void SaveContext(ThreadContext& ctx) override;
     void LoadContext(const ThreadContext& ctx) override;
     void PrepareReschedule() override;
-    void ExecuteInstructions(int num_instructions) override;
+    void ExecuteInstructions(int num_instructions);
+    void Run() override;
+    void Step() override;
     void ClearInstructionCache() override;
     void PageTableChanged() override{};
 

src/core/core.cpp

@@ -26,7 +26,7 @@ namespace Core {
 
 /*static*/ System System::s_instance;
 
-System::ResultStatus System::RunLoop(int tight_loop) {
+System::ResultStatus System::RunLoop(bool tight_loop) {
     status = ResultStatus::Success;
     if (!cpu_core) {
         return ResultStatus::ErrorNotInitialized;
@@ -40,7 +40,7 @@ System::ResultStatus System::RunLoop(int tight_loop) {
         if (GDBStub::GetCpuHaltFlag()) {
             if (GDBStub::GetCpuStepFlag()) {
                 GDBStub::SetCpuStepFlag(false);
-                tight_loop = 1;
+                tight_loop = false;
             } else {
                 return ResultStatus::Success;
             }
@@ -56,7 +56,11 @@ System::ResultStatus System::RunLoop(int tight_loop) {
         PrepareReschedule();
     } else {
         CoreTiming::Advance();
-        cpu_core->Run(tight_loop);
+        if (tight_loop) {
+            cpu_core->Run();
+        } else {
+            cpu_core->Step();
+        }
     }
 
     HW::Update();
@@ -66,7 +70,7 @@ System::ResultStatus System::RunLoop(int tight_loop) {
 }
 
 System::ResultStatus System::SingleStep() {
-    return RunLoop(1);
+    return RunLoop(false);
 }
 
 System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& filepath) {
@@ -95,14 +99,15 @@ System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& file
 
     ResultStatus init_result{Init(emu_window, system_mode.first.get())};
     if (init_result != ResultStatus::Success) {
-        LOG_CRITICAL(Core, "Failed to initialize system (Error %i)!", init_result);
+        LOG_CRITICAL(Core, "Failed to initialize system (Error %i)!",
+                     static_cast<int>(init_result));
         System::Shutdown();
         return init_result;
     }
 
-    const Loader::ResultStatus load_result{app_loader->Load(Kernel::g_current_process)};
+    const Loader::ResultStatus load_result{app_loader->Load(current_process)};
     if (Loader::ResultStatus::Success != load_result) {
-        LOG_CRITICAL(Core, "Failed to load ROM (Error %i)!", load_result);
+        LOG_CRITICAL(Core, "Failed to load ROM (Error %i)!", static_cast<int>(load_result));
         System::Shutdown();
 
         switch (load_result) {
@@ -141,6 +146,8 @@ System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
 
     CoreTiming::Init();
 
+    current_process = Kernel::Process::Create("main");
+
     switch (Settings::values.cpu_core) {
     case Settings::CpuCore::Unicorn:
         cpu_core = std::make_shared<ARM_Unicorn>();

src/core/core.h

@@ -7,6 +7,7 @@
 #include <memory>
 #include <string>
 #include "common/common_types.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/loader/loader.h"
 #include "core/memory.h"
@@ -52,10 +53,10 @@ public:
      * is not required to do a full dispatch with each instruction. NOTE: the number of instructions
      * requested is not guaranteed to run, as this will be interrupted preemptively if a hardware
      * update is requested (e.g. on a thread switch).
-     * @param tight_loop Number of instructions to execute.
+     * @param tight_loop If false, the CPU single-steps.
      * @return Result status, indicating whether or not the operation succeeded.
      */
-    ResultStatus RunLoop(int tight_loop = 100000);
+    ResultStatus RunLoop(bool tight_loop = true);
 
     /**
      * Step the CPU one instruction
@@ -112,6 +113,10 @@ public:
         return *scheduler;
     }
 
+    Kernel::SharedPtr<Kernel::Process>& CurrentProcess() {
+        return current_process;
+    }
+
     PerfStats perf_stats;
     FrameLimiter frame_limiter;
 
@@ -149,6 +154,8 @@ private:
     std::unique_ptr<Kernel::Scheduler> scheduler;
     std::unique_ptr<Tegra::GPU> gpu_core;
 
+    Kernel::SharedPtr<Kernel::Process> current_process;
+
     /// When true, signals that a reschedule should happen
     bool reschedule_pending{};
 
@@ -169,4 +176,8 @@ inline TelemetrySession& Telemetry() {
     return System::GetInstance().TelemetrySession();
 }
 
+inline Kernel::SharedPtr<Kernel::Process>& CurrentProcess() {
+    return System::GetInstance().CurrentProcess();
+}
+
 } // namespace Core

src/core/file_sys/disk_filesystem.cpp

@@ -0,0 +1,146 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <memory>
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "core/file_sys/disk_filesystem.h"
+#include "core/file_sys/errors.h"
+
+namespace FileSys {
+
+std::string Disk_FileSystem::GetName() const {
+    return "Disk";
+}
+
+ResultVal<std::unique_ptr<StorageBackend>> Disk_FileSystem::OpenFile(const std::string& path,
+                                                                     Mode mode) const {
+    ASSERT_MSG(mode == Mode::Read || mode == Mode::Write, "Other file modes are not supported");
+
+    std::string full_path = base_directory + path;
+    auto file = std::make_shared<FileUtil::IOFile>(full_path, mode == Mode::Read ? "rb" : "wb");
+
+    if (!file->IsOpen()) {
+        return ERROR_PATH_NOT_FOUND;
+    }
+
+    return MakeResult<std::unique_ptr<StorageBackend>>(
+        std::make_unique<Disk_Storage>(std::move(file)));
+}
+
+ResultCode Disk_FileSystem::DeleteFile(const Path& path) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    // TODO(bunnei): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode Disk_FileSystem::RenameFile(const Path& src_path, const Path& dest_path) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode Disk_FileSystem::DeleteDirectory(const Path& path) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode Disk_FileSystem::DeleteDirectoryRecursively(const Path& path) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode Disk_FileSystem::CreateFile(const std::string& path, u64 size) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+
+    std::string full_path = base_directory + path;
+    if (size == 0) {
+        FileUtil::CreateEmptyFile(full_path);
+        return RESULT_SUCCESS;
+    }
+
+    FileUtil::IOFile file(full_path, "wb");
+    // Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
+    // We do this by seeking to the right size, then writing a single null byte.
+    if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) {
+        return RESULT_SUCCESS;
+    }
+
+    LOG_ERROR(Service_FS, "Too large file");
+    // TODO(Subv): Find out the correct error code
+    return ResultCode(-1);
+}
+
+ResultCode Disk_FileSystem::CreateDirectory(const Path& path) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode Disk_FileSystem::RenameDirectory(const Path& src_path, const Path& dest_path) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultVal<std::unique_ptr<DirectoryBackend>> Disk_FileSystem::OpenDirectory(
+    const Path& path) const {
+    return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<Disk_Directory>());
+}
+
+u64 Disk_FileSystem::GetFreeSpaceSize() const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    return 0;
+}
+
+ResultVal<FileSys::EntryType> Disk_FileSystem::GetEntryType(const std::string& path) const {
+    std::string full_path = base_directory + path;
+    if (!FileUtil::Exists(full_path)) {
+        return ERROR_PATH_NOT_FOUND;
+    }
+
+    // TODO(Subv): Find out the EntryType values
+    UNIMPLEMENTED_MSG("Unimplemented GetEntryType");
+}
+
+ResultVal<size_t> Disk_Storage::Read(const u64 offset, const size_t length, u8* buffer) const {
+    LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
+    file->Seek(offset, SEEK_SET);
+    return MakeResult<size_t>(file->ReadBytes(buffer, length));
+}
+
+ResultVal<size_t> Disk_Storage::Write(const u64 offset, const size_t length, const bool flush,
+                                      const u8* buffer) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    file->Seek(offset, SEEK_SET);
+    size_t written = file->WriteBytes(buffer, length);
+    if (flush) {
+        file->Flush();
+    }
+    return MakeResult<size_t>(written);
+}
+
+u64 Disk_Storage::GetSize() const {
+    return file->GetSize();
+}
+
+bool Disk_Storage::SetSize(const u64 size) const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    return false;
+}
+
+u32 Disk_Directory::Read(const u32 count, Entry* entries) {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    return 0;
+}
+
+bool Disk_Directory::Close() const {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+    return true;
+}
+
+} // namespace FileSys

src/core/file_sys/disk_filesystem.h

@@ -0,0 +1,66 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <memory>
+#include <string>
+#include "common/common_types.h"
+#include "common/file_util.h"
+#include "core/file_sys/directory.h"
+#include "core/file_sys/filesystem.h"
+#include "core/file_sys/storage.h"
+#include "core/hle/result.h"
+
+namespace FileSys {
+
+class Disk_FileSystem : public FileSystemBackend {
+public:
+    explicit Disk_FileSystem(std::string base_directory)
+        : base_directory(std::move(base_directory)) {}
+
+    std::string GetName() const override;
+
+    ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const std::string& path,
+                                                        Mode mode) const override;
+    ResultCode DeleteFile(const Path& path) const override;
+    ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
+    ResultCode DeleteDirectory(const Path& path) const override;
+    ResultCode DeleteDirectoryRecursively(const Path& path) const override;
+    ResultCode CreateFile(const std::string& path, u64 size) const override;
+    ResultCode CreateDirectory(const Path& path) const override;
+    ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
+    ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
+    u64 GetFreeSpaceSize() const override;
+    ResultVal<EntryType> GetEntryType(const std::string& path) const override;
+
+protected:
+    std::string base_directory;
+};
+
+class Disk_Storage : public StorageBackend {
+public:
+    Disk_Storage(std::shared_ptr<FileUtil::IOFile> file) : file(std::move(file)) {}
+
+    ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
+    ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
+    u64 GetSize() const override;
+    bool SetSize(u64 size) const override;
+    bool Close() const override {
+        return false;
+    }
+    void Flush() const override {}
+
+private:
+    std::shared_ptr<FileUtil::IOFile> file;
+};
+
+class Disk_Directory : public DirectoryBackend {
+public:
+    u32 Read(const u32 count, Entry* entries) override;
+    bool Close() const override;
+};
+
+} // namespace FileSys

src/core/file_sys/errors.h

@@ -10,36 +10,17 @@ namespace FileSys {
 
 namespace ErrCodes {
 enum {
-    RomFSNotFound = 100,
-    ArchiveNotMounted = 101,
-    FileNotFound = 112,
-    PathNotFound = 113,
-    GameCardNotInserted = 141,
-    NotFound = 120,
-    FileAlreadyExists = 180,
-    DirectoryAlreadyExists = 185,
-    AlreadyExists = 190,
-    InvalidOpenFlags = 230,
-    DirectoryNotEmpty = 240,
-    NotAFile = 250,
-    NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
-    ExeFSSectionNotFound = 567,
-    CommandNotAllowed = 630,
-    InvalidReadFlag = 700,
-    InvalidPath = 702,
-    WriteBeyondEnd = 705,
-    UnsupportedOpenFlags = 760,
-    IncorrectExeFSReadSize = 761,
-    UnexpectedFileOrDirectory = 770,
+    NotFound = 1,
 };
 }
 
+constexpr ResultCode ERROR_PATH_NOT_FOUND(ErrorModule::FS, ErrCodes::NotFound);
+
 // TODO(bunnei): Replace these with correct errors for Switch OS
 constexpr ResultCode ERROR_INVALID_PATH(ResultCode(-1));
 constexpr ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ResultCode(-1));
 constexpr ResultCode ERROR_INVALID_OPEN_FLAGS(ResultCode(-1));
 constexpr ResultCode ERROR_FILE_NOT_FOUND(ResultCode(-1));
-constexpr ResultCode ERROR_PATH_NOT_FOUND(ResultCode(-1));
 constexpr ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ResultCode(-1));
 constexpr ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ResultCode(-1));
 constexpr ResultCode ERROR_FILE_ALREADY_EXISTS(ResultCode(-1));

src/core/file_sys/filesystem.h

@@ -27,11 +27,14 @@ enum LowPathType : u32 {
     Wchar = 4,
 };
 
-union Mode {
-    u32 hex;
-    BitField<0, 1, u32> read_flag;
-    BitField<1, 1, u32> write_flag;
-    BitField<2, 1, u32> create_flag;
+enum EntryType : u32 {
+    Directory = 0,
+    File = 1,
+};
+
+enum class Mode : u32 {
+    Read = 1,
+    Write = 2,
 };
 
 class Path {
@@ -86,7 +89,7 @@ public:
      * @param size The size of the new file, filled with zeroes
      * @return Result of the operation
      */
-    virtual ResultCode CreateFile(const Path& path, u64 size) const = 0;
+    virtual ResultCode CreateFile(const std::string& path, u64 size) const = 0;
 
     /**
      * Delete a file specified by its path
@@ -138,8 +141,8 @@ public:
      * @param mode Mode to open the file with
      * @return Opened file, or error code
      */
-    virtual ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const Path& path,
-                                                                const Mode& mode) const = 0;
+    virtual ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const std::string& path,
+                                                                Mode mode) const = 0;
 
     /**
      * Open a directory specified by its path
@@ -153,6 +156,12 @@ public:
      * @return The number of free bytes in the archive
      */
     virtual u64 GetFreeSpaceSize() const = 0;
+
+    /**
+     * Get the type of the specified path
+     * @return The type of the specified path or error code
+     */
+    virtual ResultVal<EntryType> GetEntryType(const std::string& path) const = 0;
 };
 
 class FileSystemFactory : NonCopyable {
@@ -174,10 +183,9 @@ public:
     /**
      * Deletes the archive contents and then re-creates the base folder
      * @param path Path to the archive
-     * @param format_info Format information for the new archive
      * @return ResultCode of the operation, 0 on success
      */
-    virtual ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) = 0;
+    virtual ResultCode Format(const Path& path) = 0;
 
     /**
      * Retrieves the format info about the archive with the specified path

src/core/file_sys/romfs_factory.cpp

@@ -23,7 +23,7 @@ ResultVal<std::unique_ptr<FileSystemBackend>> RomFS_Factory::Open(const Path& pa
     return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
 }
 
-ResultCode RomFS_Factory::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
+ResultCode RomFS_Factory::Format(const Path& path) {
     LOG_ERROR(Service_FS, "Unimplemented Format archive %s", GetName().c_str());
     // TODO(bunnei): Find the right error code for this
     return ResultCode(-1);

src/core/file_sys/romfs_factory.h

@@ -23,7 +23,7 @@ public:
         return "ArchiveFactory_RomFS";
     }
     ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
-    ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
+    ResultCode Format(const Path& path) override;
     ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
 
 private:

src/core/file_sys/romfs_filesystem.cpp

@@ -14,8 +14,8 @@ std::string RomFS_FileSystem::GetName() const {
     return "RomFS";
 }
 
-ResultVal<std::unique_ptr<StorageBackend>> RomFS_FileSystem::OpenFile(const Path& path,
-                                                                      const Mode& mode) const {
+ResultVal<std::unique_ptr<StorageBackend>> RomFS_FileSystem::OpenFile(const std::string& path,
+                                                                      Mode mode) const {
     return MakeResult<std::unique_ptr<StorageBackend>>(
         std::make_unique<RomFS_Storage>(romfs_file, data_offset, data_size));
 }
@@ -48,7 +48,7 @@ ResultCode RomFS_FileSystem::DeleteDirectoryRecursively(const Path& path) const
     return ResultCode(-1);
 }
 
-ResultCode RomFS_FileSystem::CreateFile(const Path& path, u64 size) const {
+ResultCode RomFS_FileSystem::CreateFile(const std::string& path, u64 size) const {
     LOG_CRITICAL(Service_FS, "Attempted to create a file in an ROMFS archive (%s).",
                  GetName().c_str());
     // TODO(bunnei): Use correct error code
@@ -79,6 +79,12 @@ u64 RomFS_FileSystem::GetFreeSpaceSize() const {
     return 0;
 }
 
+ResultVal<FileSys::EntryType> RomFS_FileSystem::GetEntryType(const std::string& path) const {
+    LOG_CRITICAL(Service_FS, "Called within an ROMFS archive (path %s).", path.c_str());
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
 ResultVal<size_t> RomFS_Storage::Read(const u64 offset, const size_t length, u8* buffer) const {
     LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
     romfs_file->Seek(data_offset + offset, SEEK_SET);

src/core/file_sys/romfs_filesystem.h

@@ -29,17 +29,18 @@ public:
 
     std::string GetName() const override;
 
-    ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const Path& path,
-                                                        const Mode& mode) const override;
+    ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const std::string& path,
+                                                        Mode mode) const override;
     ResultCode DeleteFile(const Path& path) const override;
     ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
     ResultCode DeleteDirectory(const Path& path) const override;
     ResultCode DeleteDirectoryRecursively(const Path& path) const override;
-    ResultCode CreateFile(const Path& path, u64 size) const override;
+    ResultCode CreateFile(const std::string& path, u64 size) const override;
     ResultCode CreateDirectory(const Path& path) const override;
     ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
     ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
     u64 GetFreeSpaceSize() const override;
+    ResultVal<EntryType> GetEntryType(const std::string& path) const override;
 
 protected:
     std::shared_ptr<FileUtil::IOFile> romfs_file;

src/core/file_sys/savedata_factory.cpp

@@ -0,0 +1,57 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cinttypes>
+#include <memory>
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/file_sys/disk_filesystem.h"
+#include "core/file_sys/savedata_factory.h"
+#include "core/hle/kernel/process.h"
+
+namespace FileSys {
+
+SaveData_Factory::SaveData_Factory(std::string nand_directory)
+    : nand_directory(std::move(nand_directory)) {}
+
+ResultVal<std::unique_ptr<FileSystemBackend>> SaveData_Factory::Open(const Path& path) {
+    std::string save_directory = GetFullPath();
+    // Return an error if the save data doesn't actually exist.
+    if (!FileUtil::IsDirectory(save_directory)) {
+        // TODO(Subv): Find out correct error code.
+        return ResultCode(-1);
+    }
+
+    auto archive = std::make_unique<Disk_FileSystem>(save_directory);
+    return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
+}
+
+ResultCode SaveData_Factory::Format(const Path& path) {
+    LOG_WARNING(Service_FS, "Format archive %s", GetName().c_str());
+    // Create the save data directory.
+    if (!FileUtil::CreateFullPath(GetFullPath())) {
+        // TODO(Subv): Find the correct error code.
+        return ResultCode(-1);
+    }
+
+    return RESULT_SUCCESS;
+}
+
+ResultVal<ArchiveFormatInfo> SaveData_Factory::GetFormatInfo(const Path& path) const {
+    LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
+    // TODO(bunnei): Find the right error code for this
+    return ResultCode(-1);
+}
+
+std::string SaveData_Factory::GetFullPath() const {
+    u64 title_id = Core::CurrentProcess()->program_id;
+    // TODO(Subv): Somehow obtain this value.
+    u32 user = 0;
+    return Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X/", nand_directory.c_str(), title_id,
+                                    user);
+}
+
+} // namespace FileSys

src/core/file_sys/savedata_factory.h

@@ -0,0 +1,33 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include "common/common_types.h"
+#include "core/file_sys/filesystem.h"
+#include "core/hle/result.h"
+
+namespace FileSys {
+
+/// File system interface to the SaveData archive
+class SaveData_Factory final : public FileSystemFactory {
+public:
+    explicit SaveData_Factory(std::string nand_directory);
+
+    std::string GetName() const override {
+        return "SaveData_Factory";
+    }
+    ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
+    ResultCode Format(const Path& path) override;
+    ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
+
+private:
+    std::string nand_directory;
+
+    std::string GetFullPath() const;
+};
+
+} // namespace FileSys

src/core/gdbstub/gdbstub.cpp

@@ -693,7 +693,7 @@ static void ReadMemory() {
     u64 len =
         HexToLong(start_offset, static_cast<u64>((command_buffer + command_length) - start_offset));
 
-    LOG_DEBUG(Debug_GDBStub, "gdb: addr: %016llx len: %016llx\n", addr, len);
+    LOG_DEBUG(Debug_GDBStub, "gdb: addr: %016lx len: %016lx\n", addr, len);
 
     if (len * 2 > sizeof(reply)) {
         SendReply("E01");

src/core/hle/ipc_helpers.h

@@ -118,7 +118,8 @@ public:
 
         AlignWithPadding();
 
-        if (context.Session()->IsDomain()) {
+        const bool request_has_domain_header{context.GetDomainMessageHeader() != nullptr};
+        if (context.Session()->IsDomain() && request_has_domain_header) {
             IPC::DomainMessageHeader domain_header{};
             domain_header.num_objects = num_domain_objects;
             PushRaw(domain_header);

src/core/hle/kernel/handle_table.cpp

@@ -5,6 +5,7 @@
 #include <utility>
 #include "common/assert.h"
 #include "common/logging/log.h"
+#include "core/core.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
@@ -77,7 +78,7 @@ SharedPtr<Object> HandleTable::GetGeneric(Handle handle) const {
     if (handle == CurrentThread) {
         return GetCurrentThread();
     } else if (handle == CurrentProcess) {
-        return g_current_process;
+        return Core::CurrentProcess();
     }
 
     if (!IsValid(handle)) {

src/core/hle/kernel/hle_ipc.cpp

@@ -7,6 +7,7 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/kernel.h"
@@ -26,6 +27,32 @@ void SessionRequestHandler::ClientDisconnected(SharedPtr<ServerSession> server_s
     boost::range::remove_erase(connected_sessions, server_session);
 }
 
+SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
+                                                      const std::string& reason, u64 timeout,
+                                                      WakeupCallback&& callback) {
+
+    // Put the client thread to sleep until the wait event is signaled or the timeout expires.
+    thread->wakeup_callback =
+        [context = *this, callback](ThreadWakeupReason reason, SharedPtr<Thread> thread,
+                                    SharedPtr<WaitObject> object, size_t index) mutable -> bool {
+        ASSERT(thread->status == THREADSTATUS_WAIT_HLE_EVENT);
+        callback(thread, context, reason);
+        context.WriteToOutgoingCommandBuffer(*thread);
+        return true;
+    };
+
+    auto event = Kernel::Event::Create(Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
+    thread->status = THREADSTATUS_WAIT_HLE_EVENT;
+    thread->wait_objects = {event};
+    event->AddWaitingThread(thread);
+
+    if (timeout > 0) {
+        thread->WakeAfterDelay(timeout);
+    }
+
+    return event;
+}
+
 HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)
     : server_session(std::move(server_session)) {
     cmd_buf[0] = 0;
@@ -35,7 +62,7 @@ HLERequestContext::~HLERequestContext() = default;
 
 void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
     IPC::RequestParser rp(src_cmdbuf);
-    command_header = std::make_unique<IPC::CommandHeader>(rp.PopRaw<IPC::CommandHeader>());
+    command_header = std::make_shared<IPC::CommandHeader>(rp.PopRaw<IPC::CommandHeader>());
 
     if (command_header->type == IPC::CommandType::Close) {
         // Close does not populate the rest of the IPC header
@@ -45,7 +72,7 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
     // If handle descriptor is present, add size of it
     if (command_header->enable_handle_descriptor) {
         handle_descriptor_header =
-            std::make_unique<IPC::HandleDescriptorHeader>(rp.PopRaw<IPC::HandleDescriptorHeader>());
+            std::make_shared<IPC::HandleDescriptorHeader>(rp.PopRaw<IPC::HandleDescriptorHeader>());
         if (handle_descriptor_header->send_current_pid) {
             rp.Skip(2, false);
         }
@@ -85,13 +112,18 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
 
     if (Session()->IsDomain() && (command_header->type == IPC::CommandType::Request || !incoming)) {
         // If this is an incoming message, only CommandType "Request" has a domain header
-        // All outgoing domain messages have the domain header
-        domain_message_header =
-            std::make_unique<IPC::DomainMessageHeader>(rp.PopRaw<IPC::DomainMessageHeader>());
+        // All outgoing domain messages have the domain header, if only incoming has it
+        if (incoming || domain_message_header) {
+            domain_message_header =
+                std::make_shared<IPC::DomainMessageHeader>(rp.PopRaw<IPC::DomainMessageHeader>());
+        } else {
+            if (Session()->IsDomain())
+                LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!");
+        }
     }
 
     data_payload_header =
-        std::make_unique<IPC::DataPayloadHeader>(rp.PopRaw<IPC::DataPayloadHeader>());
+        std::make_shared<IPC::DataPayloadHeader>(rp.PopRaw<IPC::DataPayloadHeader>());
 
     data_payload_offset = rp.GetCurrentOffset();
 
@@ -154,8 +186,11 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(u32_le* src_cmdb
     return RESULT_SUCCESS;
 }
 
-ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, Process& dst_process,
-                                                           HandleTable& dst_table) {
+ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
+    std::array<u32, IPC::COMMAND_BUFFER_LENGTH> dst_cmdbuf;
+    Memory::ReadBlock(*thread.owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+                      dst_cmdbuf.size() * sizeof(u32));
+
     // The header was already built in the internal command buffer. Attempt to parse it to verify
     // the integrity and then copy it over to the target command buffer.
     ParseCommandBuffer(cmd_buf.data(), false);
@@ -166,7 +201,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
     if (domain_message_header)
         size -= sizeof(IPC::DomainMessageHeader) / sizeof(u32);
 
-    std::copy_n(cmd_buf.begin(), size, dst_cmdbuf);
+    std::copy_n(cmd_buf.begin(), size, dst_cmdbuf.data());
 
     if (command_header->enable_handle_descriptor) {
         ASSERT_MSG(!move_objects.empty() || !copy_objects.empty(),
@@ -196,7 +231,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
 
     // TODO(Subv): Translate the X/A/B/W buffers.
 
-    if (Session()->IsDomain()) {
+    if (Session()->IsDomain() && domain_message_header) {
         ASSERT(domain_message_header->num_objects == domain_objects.size());
         // Write the domain objects to the command buffer, these go after the raw untranslated data.
         // TODO(Subv): This completely ignores C buffers.
@@ -208,6 +243,11 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
             dst_cmdbuf[domain_offset++] = static_cast<u32_le>(request_handlers.size());
         }
     }
+
+    // Copy the translated command buffer back into the thread's command buffer area.
+    Memory::WriteBlock(*thread.owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+                       dst_cmdbuf.size() * sizeof(u32));
+
     return RESULT_SUCCESS;
 }
 
@@ -229,7 +269,7 @@ std::vector<u8> HLERequestContext::ReadBuffer() const {
 size_t HLERequestContext::WriteBuffer(const void* buffer, size_t size) const {
     const bool is_buffer_b{BufferDescriptorB().size() && BufferDescriptorB()[0].Size()};
 
-    ASSERT_MSG(size <= GetWriteBufferSize(), "Size %d is too big", size);
+    ASSERT_MSG(size <= GetWriteBufferSize(), "Size %lx is too big", size);
 
     if (is_buffer_b) {
         Memory::WriteBlock(BufferDescriptorB()[0].Address(), buffer, size);

src/core/hle/kernel/hle_ipc.h

@@ -6,6 +6,7 @@
 
 #include <array>
 #include <memory>
+#include <string>
 #include <vector>
 #include <boost/container/small_vector.hpp>
 #include "common/common_types.h"
@@ -13,6 +14,7 @@
 #include "core/hle/ipc.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/server_session.h"
+#include "core/hle/kernel/thread.h"
 
 namespace Service {
 class ServiceFrameworkBase;
@@ -24,6 +26,7 @@ class Domain;
 class HandleTable;
 class HLERequestContext;
 class Process;
+class Event;
 
 /**
  * Interface implemented by HLE Session handlers.
@@ -102,14 +105,31 @@ public:
         return server_session;
     }
 
+    using WakeupCallback = std::function<void(SharedPtr<Thread> thread, HLERequestContext& context,
+                                              ThreadWakeupReason reason)>;
+
+    /**
+     * Puts the specified guest thread to sleep until the returned event is signaled or until the
+     * specified timeout expires.
+     * @param thread Thread to be put to sleep.
+     * @param reason Reason for pausing the thread, to be used for debugging purposes.
+     * @param timeout Timeout in nanoseconds after which the thread will be awoken and the callback
+     * invoked with a Timeout reason.
+     * @param callback Callback to be invoked when the thread is resumed. This callback must write
+     * the entire command response once again, regardless of the state of it before this function
+     * was called.
+     * @returns Event that when signaled will resume the thread and call the callback function.
+     */
+    SharedPtr<Event> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
+                                       u64 timeout, WakeupCallback&& callback);
+
     void ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming);
 
     /// Populates this context with data from the requesting process/thread.
     ResultCode PopulateFromIncomingCommandBuffer(u32_le* src_cmdbuf, Process& src_process,
                                                  HandleTable& src_table);
     /// Writes data from this context back to the requesting process/thread.
-    ResultCode WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, Process& dst_process,
-                                            HandleTable& dst_table);
+    ResultCode WriteToOutgoingCommandBuffer(Thread& thread);
 
     u32_le GetCommand() const {
         return command;
@@ -139,7 +159,7 @@ public:
         return buffer_c_desciptors;
     }
 
-    const std::unique_ptr<IPC::DomainMessageHeader>& GetDomainMessageHeader() const {
+    const std::shared_ptr<IPC::DomainMessageHeader>& GetDomainMessageHeader() const {
         return domain_message_header;
     }
 
@@ -212,10 +232,10 @@ private:
     boost::container::small_vector<SharedPtr<Object>, 8> copy_objects;
     boost::container::small_vector<std::shared_ptr<SessionRequestHandler>, 8> domain_objects;
 
-    std::unique_ptr<IPC::CommandHeader> command_header;
-    std::unique_ptr<IPC::HandleDescriptorHeader> handle_descriptor_header;
-    std::unique_ptr<IPC::DataPayloadHeader> data_payload_header;
-    std::unique_ptr<IPC::DomainMessageHeader> domain_message_header;
+    std::shared_ptr<IPC::CommandHeader> command_header;
+    std::shared_ptr<IPC::HandleDescriptorHeader> handle_descriptor_header;
+    std::shared_ptr<IPC::DataPayloadHeader> data_payload_header;
+    std::shared_ptr<IPC::DomainMessageHeader> domain_message_header;
     std::vector<IPC::BufferDescriptorX> buffer_x_desciptors;
     std::vector<IPC::BufferDescriptorABW> buffer_a_desciptors;
     std::vector<IPC::BufferDescriptorABW> buffer_b_desciptors;

src/core/hle/kernel/kernel.cpp

@@ -41,7 +41,6 @@ void Shutdown() {
     g_object_address_table.Clear();
 
     Kernel::ThreadingShutdown();
-    g_current_process = nullptr;
 
     Kernel::TimersShutdown();
     Kernel::ResourceLimitsShutdown();

src/core/hle/kernel/kernel.h

@@ -33,10 +33,6 @@ enum class HandleType : u32 {
     ServerSession,
 };
 
-enum {
-    DEFAULT_STACK_SIZE = 0x10000,
-};
-
 enum class ResetType {
     OneShot,
     Sticky,

src/core/hle/kernel/object_address_table.cpp

@@ -10,12 +10,12 @@ namespace Kernel {
 ObjectAddressTable g_object_address_table;
 
 void ObjectAddressTable::Insert(VAddr addr, SharedPtr<Object> obj) {
-    ASSERT_MSG(objects.find(addr) == objects.end(), "Object already exists with addr=0x%llx", addr);
+    ASSERT_MSG(objects.find(addr) == objects.end(), "Object already exists with addr=0x%lx", addr);
     objects[addr] = obj;
 }
 
 void ObjectAddressTable::Close(VAddr addr) {
-    ASSERT_MSG(objects.find(addr) != objects.end(), "Object does not exist with addr=0x%llx", addr);
+    ASSERT_MSG(objects.find(addr) != objects.end(), "Object does not exist with addr=0x%lx", addr);
     objects.erase(addr);
 }
 

src/core/hle/kernel/process.cpp

@@ -20,12 +20,9 @@ namespace Kernel {
 // Lists all processes that exist in the current session.
 static std::vector<SharedPtr<Process>> process_list;
 
-SharedPtr<CodeSet> CodeSet::Create(std::string name, u64 program_id) {
+SharedPtr<CodeSet> CodeSet::Create(std::string name) {
     SharedPtr<CodeSet> codeset(new CodeSet);
-
     codeset->name = std::move(name);
-    codeset->program_id = program_id;
-
     return codeset;
 }
 
@@ -41,6 +38,7 @@ SharedPtr<Process> Process::Create(std::string&& name) {
     process->flags.raw = 0;
     process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
     process->status = ProcessStatus::Created;
+    process->program_id = 0;
 
     process_list.push_back(process);
     return process;
@@ -119,11 +117,12 @@ void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
 }
 
 void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
-    // Allocate and map stack
+    // Allocate and map the main thread stack
+    // TODO(bunnei): This is heap area that should be allocated by the kernel and not mapped as part
+    // of the user address space.
     vm_manager
-        .MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size,
-                        std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
-                        MemoryState::Heap)
+        .MapMemoryBlock(Memory::STACK_VADDR, std::make_shared<std::vector<u8>>(stack_size, 0), 0,
+                        stack_size, MemoryState::Mapped)
         .Unwrap();
     misc_memory_used += stack_size;
     memory_region->used += stack_size;
@@ -155,9 +154,9 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
     };
 
     // Map CodeSet segments
-    MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::Code);
-    MapSegment(module_->rodata, VMAPermission::Read, MemoryState::Static);
-    MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::Static);
+    MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::CodeStatic);
+    MapSegment(module_->rodata, VMAPermission::Read, MemoryState::CodeMutable);
+    MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::CodeMutable);
 }
 
 VAddr Process::GetLinearHeapAreaAddress() const {
@@ -184,6 +183,8 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per
         // Initialize heap
         heap_memory = std::make_shared<std::vector<u8>>();
         heap_start = heap_end = target;
+    } else {
+        vm_manager.UnmapRange(heap_start, heap_end - heap_start);
     }
 
     // If necessary, expand backing vector to cover new heap extents.
@@ -203,7 +204,7 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per
                                                        size, MemoryState::Heap));
     vm_manager.Reprotect(vma, perms);
 
-    heap_used += size;
+    heap_used = size;
     memory_region->used += size;
 
     return MakeResult<VAddr>(heap_end - size);
@@ -290,7 +291,7 @@ ResultCode Process::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
 
     CASCADE_RESULT(auto new_vma,
                    vm_manager.MapMemoryBlock(dst_addr, backing_block, backing_block_offset, size,
-                                             vma->second.meminfo_state));
+                                             MemoryState::Mapped));
     // Protect mirror with permissions from old region
     vm_manager.Reprotect(new_vma, vma->second.permissions);
     // Remove permissions from old region
@@ -321,5 +322,4 @@ SharedPtr<Process> GetProcessById(u32 process_id) {
     return *itr;
 }
 
-SharedPtr<Process> g_current_process;
 } // namespace Kernel

src/core/hle/kernel/process.h

@@ -56,7 +56,7 @@ class ResourceLimit;
 struct MemoryRegionInfo;
 
 struct CodeSet final : public Object {
-    static SharedPtr<CodeSet> Create(std::string name, u64 program_id);
+    static SharedPtr<CodeSet> Create(std::string name);
 
     std::string GetTypeName() const override {
         return "CodeSet";
@@ -72,8 +72,6 @@ struct CodeSet final : public Object {
 
     /// Name of the process
     std::string name;
-    /// Title ID corresponding to the process
-    u64 program_id;
 
     std::shared_ptr<std::vector<u8>> memory;
 
@@ -113,6 +111,9 @@ public:
 
     static u32 next_process_id;
 
+    /// Title ID corresponding to the process
+    u64 program_id;
+
     /// Resource limit descriptor for this process
     SharedPtr<ResourceLimit> resource_limit;
 
@@ -202,5 +203,4 @@ void ClearProcessList();
 /// Retrieves a process from the current list of processes.
 SharedPtr<Process> GetProcessById(u32 process_id);
 
-extern SharedPtr<Process> g_current_process;
 } // namespace Kernel

src/core/hle/kernel/scheduler.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
@@ -67,7 +68,7 @@ void Scheduler::SwitchContext(Thread* new_thread) {
         // Cancel any outstanding wakeup events for this thread
         new_thread->CancelWakeupTimer();
 
-        auto previous_process = Kernel::g_current_process;
+        auto previous_process = Core::CurrentProcess();
 
         current_thread = new_thread;
 
@@ -75,8 +76,8 @@ void Scheduler::SwitchContext(Thread* new_thread) {
         new_thread->status = THREADSTATUS_RUNNING;
 
         if (previous_process != current_thread->owner_process) {
-            Kernel::g_current_process = current_thread->owner_process;
-            SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
+            Core::CurrentProcess() = current_thread->owner_process;
+            SetCurrentPageTable(&Core::CurrentProcess()->vm_manager.page_table);
         }
 
         cpu_core->LoadContext(new_thread->context);

src/core/hle/kernel/server_session.cpp

@@ -4,6 +4,7 @@
 
 #include <tuple>
 
+#include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
@@ -77,7 +78,8 @@ ResultCode ServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& con
         }
         }
 
-        LOG_CRITICAL(IPC, "Unknown domain command=%d", domain_message_header->command.Value());
+        LOG_CRITICAL(IPC, "Unknown domain command=%d",
+                     static_cast<int>(domain_message_header->command.Value()));
         ASSERT(false);
     }
 
@@ -91,12 +93,12 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
 
     Kernel::HLERequestContext context(this);
     u32* cmd_buf = (u32*)Memory::GetPointer(thread->GetTLSAddress());
-    context.PopulateFromIncomingCommandBuffer(cmd_buf, *Kernel::g_current_process,
+    context.PopulateFromIncomingCommandBuffer(cmd_buf, *Core::CurrentProcess(),
                                               Kernel::g_handle_table);
 
     ResultCode result = RESULT_SUCCESS;
     // If the session has been converted to a domain, handle the domain request
-    if (IsDomain()) {
+    if (IsDomain() && context.GetDomainMessageHeader()) {
         result = HandleDomainSyncRequest(context);
         // If there is no domain header, the regular session handler is used
     } else if (hle_handler != nullptr) {

src/core/hle/kernel/shared_memory.cpp

@@ -4,6 +4,7 @@
 
 #include <cstring>
 #include "common/logging/log.h"
+#include "core/core.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/memory.h"
 #include "core/hle/kernel/shared_memory.h"
@@ -51,8 +52,8 @@ SharedPtr<SharedMemory> SharedMemory::Create(SharedPtr<Process> owner_process, u
         }
 
         // Refresh the address mappings for the current process.
-        if (Kernel::g_current_process != nullptr) {
-            Kernel::g_current_process->vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
+        if (Core::CurrentProcess() != nullptr) {
+            Core::CurrentProcess()->vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
         }
     } else {
         auto& vm_manager = shared_memory->owner_process->vm_manager;
@@ -106,7 +107,7 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
 
     // Error out if the requested permissions don't match what the creator process allows.
     if (static_cast<u32>(permissions) & ~static_cast<u32>(own_other_permissions)) {
-        LOG_ERROR(Kernel, "cannot map id=%u, address=0x%llx name=%s, permissions don't match",
+        LOG_ERROR(Kernel, "cannot map id=%u, address=0x%lx name=%s, permissions don't match",
                   GetObjectId(), address, name.c_str());
         return ERR_INVALID_COMBINATION;
     }
@@ -114,7 +115,7 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
     // Error out if the provided permissions are not compatible with what the creator process needs.
     if (other_permissions != MemoryPermission::DontCare &&
         static_cast<u32>(this->permissions) & ~static_cast<u32>(other_permissions)) {
-        LOG_ERROR(Kernel, "cannot map id=%u, address=0x%llx name=%s, permissions don't match",
+        LOG_ERROR(Kernel, "cannot map id=%u, address=0x%lx name=%s, permissions don't match",
                   GetObjectId(), address, name.c_str());
         return ERR_WRONG_PERMISSION;
     }
@@ -125,7 +126,7 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
     if (address != 0) {
         // TODO(shinyquagsire23): Check for virtual/mappable memory here too?
         if (address >= Memory::HEAP_VADDR && address < Memory::HEAP_VADDR_END) {
-            LOG_ERROR(Kernel, "cannot map id=%u, address=0x%llx name=%s, invalid address",
+            LOG_ERROR(Kernel, "cannot map id=%u, address=0x%lx name=%s, invalid address",
                       GetObjectId(), address, name.c_str());
             return ERR_INVALID_ADDRESS;
         }
@@ -142,10 +143,9 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
     auto result = target_process->vm_manager.MapMemoryBlock(
         target_address, backing_block, backing_block_offset, size, MemoryState::Shared);
     if (result.Failed()) {
-        LOG_ERROR(
-            Kernel,
-            "cannot map id=%u, target_address=0x%llx name=%s, error mapping to virtual memory",
-            GetObjectId(), target_address, name.c_str());
+        LOG_ERROR(Kernel,
+                  "cannot map id=%u, target_address=0x%lx name=%s, error mapping to virtual memory",
+                  GetObjectId(), target_address, name.c_str());
         return result.Code();
     }
 

src/core/hle/kernel/svc.cpp

@@ -8,6 +8,7 @@
 #include "common/logging/log.h"
 #include "common/microprofile.h"
 #include "common/string_util.h"
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
@@ -31,14 +32,14 @@ namespace Kernel {
 /// Set the process heap to a given Size. It can both extend and shrink the heap.
 static ResultCode SetHeapSize(VAddr* heap_addr, u64 heap_size) {
     LOG_TRACE(Kernel_SVC, "called, heap_size=0x%llx", heap_size);
-    auto& process = *g_current_process;
+    auto& process = *Core::CurrentProcess();
     CASCADE_RESULT(*heap_addr,
                    process.HeapAllocate(Memory::HEAP_VADDR, heap_size, VMAPermission::ReadWrite));
     return RESULT_SUCCESS;
 }
 
 static ResultCode SetMemoryAttribute(VAddr addr, u64 size, u32 state0, u32 state1) {
-    LOG_WARNING(Kernel_SVC, "(STUBBED) called, addr=0x%llx", addr);
+    LOG_WARNING(Kernel_SVC, "(STUBBED) called, addr=0x%lx", addr);
     return RESULT_SUCCESS;
 }
 
@@ -46,14 +47,14 @@ static ResultCode SetMemoryAttribute(VAddr addr, u64 size, u32 state0, u32 state
 static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x%llx, src_addr=0x%llx, size=0x%llx", dst_addr,
               src_addr, size);
-    return g_current_process->MirrorMemory(dst_addr, src_addr, size);
+    return Core::CurrentProcess()->MirrorMemory(dst_addr, src_addr, size);
 }
 
 /// Unmaps a region that was previously mapped with svcMapMemory
 static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x%llx, src_addr=0x%llx, size=0x%llx", dst_addr,
               src_addr, size);
-    return g_current_process->UnmapMemory(dst_addr, src_addr, size);
+    return Core::CurrentProcess()->UnmapMemory(dst_addr, src_addr, size);
 }
 
 /// Connect to an OS service given the port name, returns the handle to the port to out
@@ -306,23 +307,23 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
     LOG_TRACE(Kernel_SVC, "called info_id=0x%X, info_sub_id=0x%X, handle=0x%08X", info_id,
               info_sub_id, handle);
 
-    auto& vm_manager = g_current_process->vm_manager;
+    auto& vm_manager = Core::CurrentProcess()->vm_manager;
 
     switch (static_cast<GetInfoType>(info_id)) {
     case GetInfoType::AllowedCpuIdBitmask:
-        *result = g_current_process->allowed_processor_mask;
+        *result = Core::CurrentProcess()->allowed_processor_mask;
         break;
     case GetInfoType::AllowedThreadPrioBitmask:
-        *result = g_current_process->allowed_thread_priority_mask;
+        *result = Core::CurrentProcess()->allowed_thread_priority_mask;
         break;
     case GetInfoType::MapRegionBaseAddr:
-        *result = vm_manager.GetMapRegionBaseAddr();
+        *result = Memory::MAP_REGION_VADDR;
         break;
     case GetInfoType::MapRegionSize:
-        *result = vm_manager.GetAddressSpaceSize();
+        *result = Memory::MAP_REGION_SIZE;
         break;
     case GetInfoType::HeapRegionBaseAddr:
-        *result = vm_manager.GetNewMapRegionBaseAddr() + vm_manager.GetNewMapRegionSize();
+        *result = Memory::HEAP_VADDR;
         break;
     case GetInfoType::HeapRegionSize:
         *result = Memory::HEAP_SIZE;
@@ -346,13 +347,13 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
         *result = vm_manager.GetAddressSpaceSize();
         break;
     case GetInfoType::NewMapRegionBaseAddr:
-        *result = vm_manager.GetNewMapRegionBaseAddr();
+        *result = Memory::NEW_MAP_REGION_VADDR;
         break;
     case GetInfoType::NewMapRegionSize:
-        *result = vm_manager.GetNewMapRegionSize();
+        *result = Memory::NEW_MAP_REGION_SIZE;
         break;
     case GetInfoType::IsVirtualAddressMemoryEnabled:
-        *result = g_current_process->is_virtual_address_memory_enabled;
+        *result = Core::CurrentProcess()->is_virtual_address_memory_enabled;
         break;
     case GetInfoType::TitleId:
         LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query titleid, returned 0");
@@ -392,7 +393,7 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
 
     // Note: The kernel uses the current process's resource limit instead of
     // the one from the thread owner's resource limit.
-    SharedPtr<ResourceLimit>& resource_limit = g_current_process->resource_limit;
+    SharedPtr<ResourceLimit>& resource_limit = Core::CurrentProcess()->resource_limit;
     if (resource_limit->GetMaxResourceValue(ResourceTypes::PRIORITY) > priority) {
         return ERR_NOT_AUTHORIZED;
     }
@@ -435,7 +436,7 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
     case MemoryPermission::WriteExecute:
     case MemoryPermission::ReadWriteExecute:
     case MemoryPermission::DontCare:
-        return shared_memory->Map(g_current_process.get(), addr, permissions_type,
+        return shared_memory->Map(Core::CurrentProcess().get(), addr, permissions_type,
                                   MemoryPermission::DontCare);
     default:
         LOG_ERROR(Kernel_SVC, "unknown permissions=0x%08X", permissions);
@@ -451,7 +452,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
 
     SharedPtr<SharedMemory> shared_memory = g_handle_table.Get<SharedMemory>(shared_memory_handle);
 
-    return shared_memory->Unmap(g_current_process.get(), addr);
+    return shared_memory->Unmap(Core::CurrentProcess().get(), addr);
 }
 
 /// Query process memory
@@ -463,11 +464,11 @@ static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_i
     }
     auto vma = process->vm_manager.FindVMA(addr);
     memory_info->attributes = 0;
-    if (vma == g_current_process->vm_manager.vma_map.end()) {
+    if (vma == Core::CurrentProcess()->vm_manager.vma_map.end()) {
         memory_info->base_address = 0;
         memory_info->permission = static_cast<u32>(VMAPermission::None);
         memory_info->size = 0;
-        memory_info->type = static_cast<u32>(MemoryState::Free);
+        memory_info->type = static_cast<u32>(MemoryState::Unmapped);
     } else {
         memory_info->base_address = vma->second.base;
         memory_info->permission = static_cast<u32>(vma->second.permissions);
@@ -487,16 +488,17 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAdd
 
 /// Exits the current process
 static void ExitProcess() {
-    LOG_INFO(Kernel_SVC, "Process %u exiting", g_current_process->process_id);
+    LOG_INFO(Kernel_SVC, "Process %u exiting", Core::CurrentProcess()->process_id);
 
-    ASSERT_MSG(g_current_process->status == ProcessStatus::Running, "Process has already exited");
+    ASSERT_MSG(Core::CurrentProcess()->status == ProcessStatus::Running,
+               "Process has already exited");
 
-    g_current_process->status = ProcessStatus::Exited;
+    Core::CurrentProcess()->status = ProcessStatus::Exited;
 
     // Stop all the process threads that are currently waiting for objects.
     auto& thread_list = Core::System::GetInstance().Scheduler().GetThreadList();
     for (auto& thread : thread_list) {
-        if (thread->owner_process != g_current_process)
+        if (thread->owner_process != Core::CurrentProcess())
             continue;
 
         if (thread == GetCurrentThread())
@@ -525,14 +527,14 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
         return ERR_OUT_OF_RANGE;
     }
 
-    SharedPtr<ResourceLimit>& resource_limit = g_current_process->resource_limit;
+    SharedPtr<ResourceLimit>& resource_limit = Core::CurrentProcess()->resource_limit;
     if (resource_limit->GetMaxResourceValue(ResourceTypes::PRIORITY) > priority) {
         return ERR_NOT_AUTHORIZED;
     }
 
     if (processor_id == THREADPROCESSORID_DEFAULT) {
         // Set the target CPU to the one specified in the process' exheader.
-        processor_id = g_current_process->ideal_processor;
+        processor_id = Core::CurrentProcess()->ideal_processor;
         ASSERT(processor_id != THREADPROCESSORID_DEFAULT);
     }
 
@@ -554,7 +556,7 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
 
     CASCADE_RESULT(SharedPtr<Thread> thread,
                    Thread::Create(name, entry_point, priority, arg, processor_id, stack_top,
-                                  g_current_process));
+                                  Core::CurrentProcess()));
     CASCADE_RESULT(thread->guest_handle, g_handle_table.Create(thread));
     *out_handle = thread->guest_handle;
 
@@ -748,7 +750,7 @@ static ResultCode ResetSignal(Handle handle) {
 
 /// Creates a TransferMemory object
 static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 permissions) {
-    LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%llx, size=0x%llx, perms=%08X", addr, size,
+    LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%lx, size=0x%lx, perms=%08X", addr, size,
                 permissions);
     *handle = 0;
     return RESULT_SUCCESS;

src/core/hle/kernel/thread.cpp

@@ -55,16 +55,6 @@ inline static u32 const NewThreadId() {
 Thread::Thread() {}
 Thread::~Thread() {}
 
-/**
- * Check if the specified thread is waiting on the specified address to be arbitrated
- * @param thread The thread to test
- * @param wait_address The address to test against
- * @return True if the thread is waiting, false otherwise
- */
-static bool CheckWait_AddressArbiter(const Thread* thread, VAddr wait_address) {
-    return thread->status == THREADSTATUS_WAIT_ARB && wait_address == thread->wait_address;
-}
-
 void Thread::Stop() {
     // Cancel any outstanding wakeup events for this thread
     CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle);
@@ -94,7 +84,7 @@ void Thread::Stop() {
     u64 tls_page = (tls_address - Memory::TLS_AREA_VADDR) / Memory::PAGE_SIZE;
     u64 tls_slot =
         ((tls_address - Memory::TLS_AREA_VADDR) % Memory::PAGE_SIZE) / Memory::TLS_ENTRY_SIZE;
-    Kernel::g_current_process->tls_slots[tls_page].reset(tls_slot);
+    Core::CurrentProcess()->tls_slots[tls_page].reset(tls_slot);
 }
 
 void WaitCurrentThread_Sleep() {
@@ -102,12 +92,6 @@ void WaitCurrentThread_Sleep() {
     thread->status = THREADSTATUS_WAIT_SLEEP;
 }
 
-void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) {
-    Thread* thread = GetCurrentThread();
-    thread->wait_address = wait_address;
-    thread->status = THREADSTATUS_WAIT_ARB;
-}
-
 void ExitCurrentThread() {
     Thread* thread = GetCurrentThread();
     thread->Stop();
@@ -129,7 +113,8 @@ static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) {
     bool resume = true;
 
     if (thread->status == THREADSTATUS_WAIT_SYNCH_ANY ||
-        thread->status == THREADSTATUS_WAIT_SYNCH_ALL || thread->status == THREADSTATUS_WAIT_ARB) {
+        thread->status == THREADSTATUS_WAIT_SYNCH_ALL ||
+        thread->status == THREADSTATUS_WAIT_HLE_EVENT) {
 
         // Remove the thread from each of its waiting objects' waitlists
         for (auto& object : thread->wait_objects)
@@ -163,7 +148,7 @@ void Thread::ResumeFromWait() {
     switch (status) {
     case THREADSTATUS_WAIT_SYNCH_ALL:
     case THREADSTATUS_WAIT_SYNCH_ANY:
-    case THREADSTATUS_WAIT_ARB:
+    case THREADSTATUS_WAIT_HLE_EVENT:
     case THREADSTATUS_WAIT_SLEEP:
     case THREADSTATUS_WAIT_IPC:
         break;
@@ -314,7 +299,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
         // TODO(Subv): Find the correct MemoryState for this region.
         vm_manager.MapMemoryBlock(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
                                   linheap_memory, offset, Memory::PAGE_SIZE,
-                                  MemoryState::ThreadLocalStorage);
+                                  MemoryState::ThreadLocal);
     }
 
     // Mark the slot as used
@@ -353,11 +338,11 @@ void Thread::BoostPriority(u32 priority) {
 SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
                                   SharedPtr<Process> owner_process) {
     // Setup page table so we can write to memory
-    SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
+    SetCurrentPageTable(&Core::CurrentProcess()->vm_manager.page_table);
 
     // Initialize new "main" thread
     auto thread_res = Thread::Create("main", entry_point, priority, 0, THREADPROCESSORID_0,
-                                     Memory::HEAP_VADDR_END, owner_process);
+                                     Memory::STACK_VADDR_END, owner_process);
 
     SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
 
@@ -406,6 +391,8 @@ void ThreadingInit() {
     next_thread_id = 1;
 }
 
-void ThreadingShutdown() {}
+void ThreadingShutdown() {
+    Kernel::ClearProcessList();
+}
 
 } // namespace Kernel

src/core/hle/kernel/thread.h

@@ -38,7 +38,7 @@ enum ThreadProcessorId : s32 {
 enum ThreadStatus {
     THREADSTATUS_RUNNING,        ///< Currently running
     THREADSTATUS_READY,          ///< Ready to run
-    THREADSTATUS_WAIT_ARB,       ///< Waiting on an address arbiter
+    THREADSTATUS_WAIT_HLE_EVENT, ///< Waiting for hle event to finish
     THREADSTATUS_WAIT_SLEEP,     ///< Waiting due to a SleepThread SVC
     THREADSTATUS_WAIT_IPC,       ///< Waiting for the reply from an IPC request
     THREADSTATUS_WAIT_SYNCH_ANY, ///< Waiting due to WaitSynch1 or WaitSynchN with wait_all = false

src/core/hle/kernel/vm_manager.cpp

@@ -18,8 +18,26 @@ namespace Kernel {
 
 static const char* GetMemoryStateName(MemoryState state) {
     static const char* names[] = {
-        "Free",   "Reserved",   "IO",      "Static", "Code",      "Private",
-        "Shared", "Continuous", "Aliased", "Alias",  "AliasCode", "Locked",
+        "Unmapped",
+        "Io",
+        "Normal",
+        "CodeStatic",
+        "CodeMutable",
+        "Heap",
+        "Shared",
+        "Unknown1"
+        "ModuleCodeStatic",
+        "ModuleCodeMutable",
+        "IpcBuffer0",
+        "Mapped",
+        "ThreadLocal",
+        "TransferMemoryIsolated",
+        "TransferMemory",
+        "ProcessMemory",
+        "Unknown2"
+        "IpcBuffer1",
+        "IpcBuffer3",
+        "KernelStack",
     };
 
     return names[(int)state];
@@ -142,7 +160,7 @@ VMManager::VMAIter VMManager::Unmap(VMAIter vma_handle) {
     VirtualMemoryArea& vma = vma_handle->second;
     vma.type = VMAType::Free;
     vma.permissions = VMAPermission::None;
-    vma.meminfo_state = MemoryState::Free;
+    vma.meminfo_state = MemoryState::Unmapped;
 
     vma.backing_block = nullptr;
     vma.offset = 0;
@@ -166,6 +184,9 @@ ResultCode VMManager::UnmapRange(VAddr target, u64 size) {
     }
 
     ASSERT(FindVMA(target)->second.size >= size);
+
+    Core::CPU().UnmapMemory(target, size);
+
     return RESULT_SUCCESS;
 }
 
@@ -377,19 +398,4 @@ u64 VMManager::GetAddressSpaceSize() {
     return MAX_ADDRESS;
 }
 
-VAddr VMManager::GetMapRegionBaseAddr() {
-    LOG_WARNING(Kernel, "(STUBBED) called");
-    return Memory::HEAP_VADDR;
-}
-
-VAddr VMManager::GetNewMapRegionBaseAddr() {
-    LOG_WARNING(Kernel, "(STUBBED) called");
-    return 0x8000000;
-}
-
-u64 VMManager::GetNewMapRegionSize() {
-    LOG_WARNING(Kernel, "(STUBBED) called");
-    return 0x8000000;
-}
-
 } // namespace Kernel

src/core/hle/kernel/vm_manager.h

@@ -41,15 +41,24 @@ enum class VMAPermission : u8 {
 
 /// Set of values returned in MemoryInfo.state by svcQueryMemory.
 enum class MemoryState : u32 {
-    Free = 0,
-    IO = 1,
-    Normal = 2,
-    Code = 3,
-    Static = 4,
-    Heap = 5,
-    Shared = 6,
-    Mapped = 6,
-    ThreadLocalStorage = 12,
+    Unmapped = 0x0,
+    Io = 0x1,
+    Normal = 0x2,
+    CodeStatic = 0x3,
+    CodeMutable = 0x4,
+    Heap = 0x5,
+    Shared = 0x6,
+    ModuleCodeStatic = 0x8,
+    ModuleCodeMutable = 0x9,
+    IpcBuffer0 = 0xA,
+    Mapped = 0xB,
+    ThreadLocal = 0xC,
+    TransferMemoryIsolated = 0xD,
+    TransferMemory = 0xE,
+    ProcessMemory = 0xF,
+    IpcBuffer1 = 0x11,
+    IpcBuffer3 = 0x12,
+    KernelStack = 0x13,
 };
 
 /**
@@ -66,7 +75,7 @@ struct VirtualMemoryArea {
     VMAType type = VMAType::Free;
     VMAPermission permissions = VMAPermission::None;
     /// Tag returned by svcQueryMemory. Not otherwise used.
-    MemoryState meminfo_state = MemoryState::Free;
+    MemoryState meminfo_state = MemoryState::Unmapped;
 
     // Settings for type = AllocatedMemoryBlock
     /// Memory block backing this VMA.
@@ -192,15 +201,6 @@ public:
     /// Gets the total address space address size, used by svcGetInfo
     u64 GetAddressSpaceSize();
 
-    /// Gets the map region base address, used by svcGetInfo
-    VAddr GetMapRegionBaseAddr();
-
-    /// Gets the base address for a new memory region, used by svcGetInfo
-    VAddr GetNewMapRegionBaseAddr();
-
-    /// Gets the size for a new memory region, used by svcGetInfo
-    u64 GetNewMapRegionSize();
-
     /// Each VMManager has its own page table, which is set as the main one when the owning process
     /// is scheduled.
     Memory::PageTable page_table;

src/core/hle/kernel/wait_object.cpp

@@ -39,7 +39,8 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() {
     for (const auto& thread : waiting_threads) {
         // The list of waiting threads must not contain threads that are not waiting to be awakened.
         ASSERT_MSG(thread->status == THREADSTATUS_WAIT_SYNCH_ANY ||
-                       thread->status == THREADSTATUS_WAIT_SYNCH_ALL,
+                       thread->status == THREADSTATUS_WAIT_SYNCH_ALL ||
+                       thread->status == THREADSTATUS_WAIT_HLE_EVENT,
                    "Inconsistent thread statuses in waiting_threads");
 
         if (thread->current_priority >= candidate_priority)

src/core/hle/result.h

@@ -108,11 +108,11 @@ union ResultCode {
     }
 
     constexpr bool IsSuccess() const {
-        return is_error.ExtractValue(raw) == 0;
+        return raw == 0;
     }
 
     constexpr bool IsError() const {
-        return is_error.ExtractValue(raw) == 1;
+        return raw != 0;
     }
 };
 

src/core/hle/service/am/am.cpp

@@ -2,12 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <cinttypes>
+#include "core/file_sys/filesystem.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
 #include "core/hle/service/apm/apm.h"
+#include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
 
 namespace Service {
@@ -416,9 +419,24 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
 }
 
 void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    u128 uid = rp.PopRaw<u128>();
+
+    LOG_WARNING(Service, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
+
     IPC::ResponseBuilder rb{ctx, 4};
-    rb.Push(RESULT_SUCCESS);
+
+    FileSys::Path unused;
+    auto savedata = FileSystem::OpenFileSystem(FileSystem::Type::SaveData, unused);
+    if (savedata.Failed()) {
+        // Create the save data and return an error indicating that the operation was performed.
+        FileSystem::FormatFileSystem(FileSystem::Type::SaveData);
+        // TODO(Subv): Find out the correct error code for this.
+        rb.Push(ResultCode(ErrorModule::FS, 40));
+    } else {
+        rb.Push(RESULT_SUCCESS);
+    }
+
     rb.Push<u64>(0);
 }
 

src/core/hle/service/audio/audout_u.cpp

@@ -52,7 +52,9 @@ public:
         CoreTiming::ScheduleEvent(audio_ticks, audio_event);
     }
 
-    ~IAudioOut() = default;
+    ~IAudioOut() {
+        CoreTiming::UnscheduleEvent(audio_event, 0);
+    }
 
 private:
     void StartAudioOut(Kernel::HLERequestContext& ctx) {

src/core/hle/service/audio/audren_u.cpp

@@ -45,7 +45,9 @@ public:
         // Start the audio event
         CoreTiming::ScheduleEvent(audio_ticks, audio_event);
     }
-    ~IAudioRenderer() = default;
+    ~IAudioRenderer() {
+        CoreTiming::UnscheduleEvent(audio_event, 0);
+    }
 
 private:
     void UpdateAudioCallback() {

src/core/hle/service/fatal/fatal.cpp

@@ -0,0 +1,38 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/service/fatal/fatal.h"
+#include "core/hle/service/fatal/fatal_p.h"
+#include "core/hle/service/fatal/fatal_u.h"
+
+namespace Service {
+namespace Fatal {
+
+Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
+    : ServiceFramework(name), module(std::move(module)) {}
+
+void Module::Interface::FatalSimple(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    u32 error_code = rp.Pop<u32>();
+    LOG_WARNING(Service_Fatal, "(STUBBED) called, error_code=0x%X", error_code);
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Module::Interface::TransitionToFatalError(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_Fatal, "(STUBBED) called");
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    auto module = std::make_shared<Module>();
+    std::make_shared<Fatal_P>(module)->InstallAsService(service_manager);
+    std::make_shared<Fatal_U>(module)->InstallAsService(service_manager);
+}
+
+} // namespace Fatal
+} // namespace Service

src/core/hle/service/fatal/fatal.h

@@ -0,0 +1,29 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Fatal {
+
+class Module final {
+public:
+    class Interface : public ServiceFramework<Interface> {
+    public:
+        Interface(std::shared_ptr<Module> module, const char* name);
+
+        void FatalSimple(Kernel::HLERequestContext& ctx);
+        void TransitionToFatalError(Kernel::HLERequestContext& ctx);
+
+    protected:
+        std::shared_ptr<Module> module;
+    };
+};
+
+void InstallInterfaces(SM::ServiceManager& service_manager);
+
+} // namespace Fatal
+} // namespace Service

src/core/hle/service/fatal/fatal_p.cpp

@@ -0,0 +1,14 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/fatal/fatal_p.h"
+
+namespace Service {
+namespace Fatal {
+
+Fatal_P::Fatal_P(std::shared_ptr<Module> module)
+    : Module::Interface(std::move(module), "fatal:p") {}
+
+} // namespace Fatal
+} // namespace Service

src/core/hle/service/fatal/fatal_p.h

@@ -0,0 +1,18 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/fatal/fatal.h"
+
+namespace Service {
+namespace Fatal {
+
+class Fatal_P final : public Module::Interface {
+public:
+    explicit Fatal_P(std::shared_ptr<Module> module);
+};
+
+} // namespace Fatal
+} // namespace Service

src/core/hle/service/fatal/fatal_u.cpp

@@ -0,0 +1,19 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/fatal/fatal_u.h"
+
+namespace Service {
+namespace Fatal {
+
+Fatal_U::Fatal_U(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "fatal:u") {
+    static const FunctionInfo functions[] = {
+        {1, &Fatal_U::FatalSimple, "FatalSimple"},
+        {2, &Fatal_U::TransitionToFatalError, "TransitionToFatalError"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Fatal
+} // namespace Service

src/core/hle/service/fatal/fatal_u.h

@@ -0,0 +1,18 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/fatal/fatal.h"
+
+namespace Service {
+namespace Fatal {
+
+class Fatal_U final : public Module::Interface {
+public:
+    explicit Fatal_U(std::shared_ptr<Module> module);
+};
+
+} // namespace Fatal
+} // namespace Service

src/core/hle/service/filesystem/filesystem.cpp

@@ -3,7 +3,9 @@
 // Refer to the license.txt file included.
 
 #include <boost/container/flat_map.hpp>
+#include "common/file_util.h"
 #include "core/file_sys/filesystem.h"
+#include "core/file_sys/savedata_factory.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/filesystem/fsp_srv.h"
 
@@ -41,12 +43,30 @@ ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
     return itr->second->Open(path);
 }
 
-void UnregisterFileSystems() {
+ResultCode FormatFileSystem(Type type) {
+    LOG_TRACE(Service_FS, "Formatting FileSystem with type=%d", type);
+
+    auto itr = filesystem_map.find(type);
+    if (itr == filesystem_map.end()) {
+        // TODO(bunnei): Find a better error code for this
+        return ResultCode(-1);
+    }
+
+    FileSys::Path unused;
+    return itr->second->Format(unused);
+}
+
+void RegisterFileSystems() {
     filesystem_map.clear();
+
+    std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
+
+    auto savedata = std::make_unique<FileSys::SaveData_Factory>(std::move(nand_directory));
+    RegisterFileSystem(std::move(savedata), Type::SaveData);
 }
 
 void InstallInterfaces(SM::ServiceManager& service_manager) {
-    UnregisterFileSystems();
+    RegisterFileSystems();
     std::make_shared<FSP_SRV>()->InstallAsService(service_manager);
 }
 

src/core/hle/service/filesystem/filesystem.h

@@ -25,6 +25,7 @@ namespace FileSystem {
 /// Supported FileSystem types
 enum class Type {
     RomFS = 1,
+    SaveData = 2,
 };
 
 /**
@@ -43,6 +44,13 @@ ResultCode RegisterFileSystem(std::unique_ptr<FileSys::FileSystemFactory>&& fact
 ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
                                                                       FileSys::Path& path);
 
+/**
+ * Formats a file system
+ * @param type Type of the file system to format
+ * @return ResultCode of the operation
+ */
+ResultCode FormatFileSystem(Type type);
+
 /// Registers all Filesystem services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager);
 

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <cinttypes>
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/file_sys/filesystem.h"
@@ -34,7 +35,7 @@ private:
         const s64 offset = rp.Pop<s64>();
         const s64 length = rp.Pop<s64>();
 
-        LOG_DEBUG(Service_FS, "called, offset=0x%llx, length=0x%llx", offset, length);
+        LOG_DEBUG(Service_FS, "called, offset=0x%ld, length=0x%ld", offset, length);
 
         // Error checking
         if (length < 0) {
@@ -65,10 +66,187 @@ private:
     }
 };
 
+class IFile final : public ServiceFramework<IFile> {
+public:
+    explicit IFile(std::unique_ptr<FileSys::StorageBackend>&& backend)
+        : ServiceFramework("IFile"), backend(std::move(backend)) {
+        static const FunctionInfo functions[] = {
+            {0, &IFile::Read, "Read"}, {1, &IFile::Write, "Write"}, {2, nullptr, "Flush"},
+            {3, nullptr, "SetSize"},   {4, nullptr, "GetSize"},
+        };
+        RegisterHandlers(functions);
+    }
+
+private:
+    std::unique_ptr<FileSys::StorageBackend> backend;
+
+    void Read(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const u64 unk = rp.Pop<u64>();
+        const s64 offset = rp.Pop<s64>();
+        const s64 length = rp.Pop<s64>();
+
+        LOG_DEBUG(Service_FS, "called, offset=0x%ld, length=0x%ld", offset, length);
+
+        // Error checking
+        if (length < 0) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
+            return;
+        }
+        if (offset < 0) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidOffset));
+            return;
+        }
+
+        // Read the data from the Storage backend
+        std::vector<u8> output(length);
+        ResultVal<size_t> res = backend->Read(offset, length, output.data());
+        if (res.Failed()) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(res.Code());
+            return;
+        }
+
+        // Write the data to memory
+        ctx.WriteBuffer(output);
+
+        IPC::ResponseBuilder rb{ctx, 4};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(static_cast<u64>(*res));
+    }
+
+    void Write(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const u64 unk = rp.Pop<u64>();
+        const s64 offset = rp.Pop<s64>();
+        const s64 length = rp.Pop<s64>();
+
+        LOG_DEBUG(Service_FS, "called, offset=0x%ld, length=0x%ld", offset, length);
+
+        // Error checking
+        if (length < 0) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
+            return;
+        }
+        if (offset < 0) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidOffset));
+            return;
+        }
+
+        // Write the data to the Storage backend
+        std::vector<u8> data = ctx.ReadBuffer();
+        ResultVal<size_t> res = backend->Write(offset, length, true, data.data());
+        if (res.Failed()) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(res.Code());
+            return;
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+};
+
+class IFileSystem final : public ServiceFramework<IFileSystem> {
+public:
+    explicit IFileSystem(std::unique_ptr<FileSys::FileSystemBackend>&& backend)
+        : ServiceFramework("IFileSystem"), backend(std::move(backend)) {
+        static const FunctionInfo functions[] = {
+            {0, &IFileSystem::CreateFile, "CreateFile"},
+            {7, &IFileSystem::GetEntryType, "GetEntryType"},
+            {8, &IFileSystem::OpenFile, "OpenFile"},
+            {10, &IFileSystem::Commit, "Commit"},
+        };
+        RegisterHandlers(functions);
+    }
+
+    void CreateFile(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+
+        auto file_buffer = ctx.ReadBuffer();
+        auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
+
+        std::string name(file_buffer.begin(), end);
+
+        u64 mode = rp.Pop<u64>();
+        u32 size = rp.Pop<u32>();
+
+        LOG_DEBUG(Service_FS, "called file %s mode 0x%" PRIX64 " size 0x%08X", name.c_str(), mode,
+                  size);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(backend->CreateFile(name, size));
+    }
+
+    void OpenFile(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+
+        auto file_buffer = ctx.ReadBuffer();
+        auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
+
+        std::string name(file_buffer.begin(), end);
+
+        auto mode = static_cast<FileSys::Mode>(rp.Pop<u32>());
+
+        LOG_DEBUG(Service_FS, "called file %s mode %u", name.c_str(), static_cast<u32>(mode));
+
+        auto result = backend->OpenFile(name, mode);
+        if (result.Failed()) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(result.Code());
+            return;
+        }
+
+        auto file = std::move(result.Unwrap());
+
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<IFile>(std::move(file));
+    }
+
+    void GetEntryType(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+
+        auto file_buffer = ctx.ReadBuffer();
+        auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
+
+        std::string name(file_buffer.begin(), end);
+
+        LOG_DEBUG(Service_FS, "called file %s", name.c_str());
+
+        auto result = backend->GetEntryType(name);
+        if (result.Failed()) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(result.Code());
+            return;
+        }
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(static_cast<u32>(*result));
+    }
+
+    void Commit(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_FS, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+private:
+    std::unique_ptr<FileSys::FileSystemBackend> backend;
+};
+
 FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
     static const FunctionInfo functions[] = {
         {1, &FSP_SRV::Initalize, "Initalize"},
         {18, &FSP_SRV::MountSdCard, "MountSdCard"},
+        {22, &FSP_SRV::CreateSaveData, "CreateSaveData"},
+        {51, &FSP_SRV::MountSaveData, "MountSaveData"},
         {200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
         {202, nullptr, "OpenDataStorageByDataId"},
         {203, &FSP_SRV::OpenRomStorage, "OpenRomStorage"},
@@ -102,6 +280,30 @@ void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void FSP_SRV::CreateSaveData(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    auto save_struct = rp.PopRaw<std::array<u8, 0x40>>();
+    auto save_create_struct = rp.PopRaw<std::array<u8, 0x40>>();
+    u128 uid = rp.PopRaw<u128>();
+
+    LOG_WARNING(Service_FS, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_FS, "(STUBBED) called");
+
+    FileSys::Path unused;
+    auto filesystem = OpenFileSystem(Type::SaveData, unused).Unwrap();
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushIpcInterface<IFileSystem>(std::move(filesystem));
+}
+
 void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_FS, "(STUBBED) called");
 

src/core/hle/service/filesystem/fsp_srv.h

@@ -24,6 +24,8 @@ private:
 
     void Initalize(Kernel::HLERequestContext& ctx);
     void MountSdCard(Kernel::HLERequestContext& ctx);
+    void CreateSaveData(Kernel::HLERequestContext& ctx);
+    void MountSaveData(Kernel::HLERequestContext& ctx);
     void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
     void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
     void OpenRomStorage(Kernel::HLERequestContext& ctx);

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

@@ -45,6 +45,10 @@ public:
         CoreTiming::ScheduleEvent(pad_update_ticks, pad_update_event);
     }
 
+    ~IAppletResource() {
+        CoreTiming::UnscheduleEvent(pad_update_event, 0);
+    }
+
 private:
     void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2, 1};

src/core/hle/service/nifm/nifm.cpp

@@ -32,7 +32,7 @@ public:
             {0, &IRequest::GetRequestState, "GetRequestState"},
             {1, &IRequest::GetResult, "GetResult"},
             {2, &IRequest::GetSystemEventReadableHandles, "GetSystemEventReadableHandles"},
-            {3, nullptr, "Cancel"},
+            {3, &IRequest::Cancel, "Cancel"},
             {4, nullptr, "Submit"},
             {5, nullptr, "SetRequirement"},
             {6, nullptr, "SetRequirementPreset"},
@@ -80,6 +80,11 @@ private:
         rb.Push(RESULT_SUCCESS);
         rb.PushCopyObjects(event1, event2);
     }
+    void Cancel(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
 
     Kernel::SharedPtr<Kernel::Event> event1, event2;
 };
@@ -96,13 +101,56 @@ public:
     }
 };
 
+class IGeneralService final : public ServiceFramework<IGeneralService> {
+public:
+    IGeneralService();
+
+private:
+    void GetClientId(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 4};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u64>(0);
+    }
+    void CreateScanRequest(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<IScanRequest>();
+
+        LOG_DEBUG(Service_NIFM, "called");
+    }
+    void CreateRequest(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<IRequest>();
+
+        LOG_DEBUG(Service_NIFM, "called");
+    }
+    void RemoveNetworkProfile(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+    void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<INetworkProfile>();
+
+        LOG_DEBUG(Service_NIFM, "called");
+    }
+};
+
 IGeneralService::IGeneralService() : ServiceFramework("IGeneralService") {
     static const FunctionInfo functions[] = {
         {1, &IGeneralService::GetClientId, "GetClientId"},
         {2, &IGeneralService::CreateScanRequest, "CreateScanRequest"},
         {4, &IGeneralService::CreateRequest, "CreateRequest"},
-        {6, nullptr, "GetCurrentNetworkProfile"},
-        {7, nullptr, "EnumerateNetworkInterfaces"},
+        {5, nullptr, "GetCurrentNetworkProfile"},
+        {6, nullptr, "EnumerateNetworkInterfaces"},
+        {7, nullptr, "EnumerateNetworkProfiles"},
         {8, nullptr, "GetNetworkProfile"},
         {9, nullptr, "SetNetworkProfile"},
         {10, &IGeneralService::RemoveNetworkProfile, "RemoveNetworkProfile"},
@@ -137,50 +185,28 @@ IGeneralService::IGeneralService() : ServiceFramework("IGeneralService") {
     RegisterHandlers(functions);
 }
 
-void IGeneralService::GetClientId(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_NIFM, "(STUBBED) called");
-    IPC::ResponseBuilder rb{ctx, 4};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u64>(0);
-}
-
-void IGeneralService::CreateScanRequest(Kernel::HLERequestContext& ctx) {
+void Module::Interface::CreateGeneralServiceOld(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IScanRequest>();
-
+    rb.PushIpcInterface<IGeneralService>();
     LOG_DEBUG(Service_NIFM, "called");
 }
 
-void IGeneralService::CreateRequest(Kernel::HLERequestContext& ctx) {
+void Module::Interface::CreateGeneralService(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IRequest>();
-
+    rb.PushIpcInterface<IGeneralService>();
     LOG_DEBUG(Service_NIFM, "called");
 }
 
-void IGeneralService::RemoveNetworkProfile(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_NIFM, "(STUBBED) called");
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void IGeneralService::CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<INetworkProfile>();
-
-    LOG_DEBUG(Service_NIFM, "called");
-}
+Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
+    : ServiceFramework(name), module(std::move(module)) {}
 
 void InstallInterfaces(SM::ServiceManager& service_manager) {
-    std::make_shared<NIFM_A>()->InstallAsService(service_manager);
-    std::make_shared<NIFM_S>()->InstallAsService(service_manager);
-    std::make_shared<NIFM_U>()->InstallAsService(service_manager);
+    auto module = std::make_shared<Module>();
+    std::make_shared<NIFM_A>(module)->InstallAsService(service_manager);
+    std::make_shared<NIFM_S>(module)->InstallAsService(service_manager);
+    std::make_shared<NIFM_U>(module)->InstallAsService(service_manager);
 }
 
 } // namespace NIFM

src/core/hle/service/nifm/nifm.h

@@ -9,16 +9,18 @@
 namespace Service {
 namespace NIFM {
 
-class IGeneralService final : public ServiceFramework<IGeneralService> {
+class Module final {
 public:
-    IGeneralService();
+    class Interface : public ServiceFramework<Interface> {
+    public:
+        Interface(std::shared_ptr<Module> module, const char* name);
 
-private:
-    void GetClientId(Kernel::HLERequestContext& ctx);
-    void CreateScanRequest(Kernel::HLERequestContext& ctx);
-    void CreateRequest(Kernel::HLERequestContext& ctx);
-    void RemoveNetworkProfile(Kernel::HLERequestContext& ctx);
-    void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx);
+        void CreateGeneralServiceOld(Kernel::HLERequestContext& ctx);
+        void CreateGeneralService(Kernel::HLERequestContext& ctx);
+
+    protected:
+        std::shared_ptr<Module> module;
+    };
 };
 
 void InstallInterfaces(SM::ServiceManager& service_manager);

src/core/hle/service/nifm/nifm_a.cpp

@@ -2,29 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common/logging/log.h"
-#include "core/hle/ipc_helpers.h"
-#include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/nifm/nifm_a.h"
 
 namespace Service {
 namespace NIFM {
 
-void NIFM_A::CreateGeneralServiceOld(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IGeneralService>();
-    LOG_DEBUG(Service_NIFM, "called");
-}
-
-void NIFM_A::CreateGeneralService(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IGeneralService>();
-    LOG_DEBUG(Service_NIFM, "called");
-}
-
-NIFM_A::NIFM_A() : ServiceFramework("nifm:a") {
+NIFM_A::NIFM_A(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "nifm:a") {
     static const FunctionInfo functions[] = {
         {4, &NIFM_A::CreateGeneralServiceOld, "CreateGeneralServiceOld"},
         {5, &NIFM_A::CreateGeneralService, "CreateGeneralService"},

src/core/hle/service/nifm/nifm_a.h

@@ -4,20 +4,14 @@
 
 #pragma once
 
-#include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/service/service.h"
+#include "core/hle/service/nifm/nifm.h"
 
 namespace Service {
 namespace NIFM {
 
-class NIFM_A final : public ServiceFramework<NIFM_A> {
+class NIFM_A final : public Module::Interface {
 public:
-    NIFM_A();
-    ~NIFM_A() = default;
-
-private:
-    void CreateGeneralServiceOld(Kernel::HLERequestContext& ctx);
-    void CreateGeneralService(Kernel::HLERequestContext& ctx);
+    explicit NIFM_A(std::shared_ptr<Module> module);
 };
 
 } // namespace NIFM

src/core/hle/service/nifm/nifm_s.cpp

@@ -2,29 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common/logging/log.h"
-#include "core/hle/ipc_helpers.h"
-#include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/nifm/nifm_s.h"
 
 namespace Service {
 namespace NIFM {
 
-void NIFM_S::CreateGeneralServiceOld(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IGeneralService>();
-    LOG_DEBUG(Service_NIFM, "called");
-}
-
-void NIFM_S::CreateGeneralService(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IGeneralService>();
-    LOG_DEBUG(Service_NIFM, "called");
-}
-
-NIFM_S::NIFM_S() : ServiceFramework("nifm:s") {
+NIFM_S::NIFM_S(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "nifm:s") {
     static const FunctionInfo functions[] = {
         {4, &NIFM_S::CreateGeneralServiceOld, "CreateGeneralServiceOld"},
         {5, &NIFM_S::CreateGeneralService, "CreateGeneralService"},

src/core/hle/service/nifm/nifm_s.h

@@ -4,20 +4,14 @@
 
 #pragma once
 
-#include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/service/service.h"
+#include "core/hle/service/nifm/nifm.h"
 
 namespace Service {
 namespace NIFM {
 
-class NIFM_S final : public ServiceFramework<NIFM_S> {
+class NIFM_S final : public Module::Interface {
 public:
-    NIFM_S();
-    ~NIFM_S() = default;
-
-private:
-    void CreateGeneralServiceOld(Kernel::HLERequestContext& ctx);
-    void CreateGeneralService(Kernel::HLERequestContext& ctx);
+    explicit NIFM_S(std::shared_ptr<Module> module);
 };
 
 } // namespace NIFM

src/core/hle/service/nifm/nifm_u.cpp

@@ -2,29 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common/logging/log.h"
-#include "core/hle/ipc_helpers.h"
-#include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/nifm/nifm_u.h"
 
 namespace Service {
 namespace NIFM {
 
-void NIFM_U::CreateGeneralServiceOld(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IGeneralService>();
-    LOG_DEBUG(Service_NIFM, "called");
-}
-
-void NIFM_U::CreateGeneralService(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IGeneralService>();
-    LOG_DEBUG(Service_NIFM, "called");
-}
-
-NIFM_U::NIFM_U() : ServiceFramework("nifm:u") {
+NIFM_U::NIFM_U(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "nifm:u") {
     static const FunctionInfo functions[] = {
         {4, &NIFM_U::CreateGeneralServiceOld, "CreateGeneralServiceOld"},
         {5, &NIFM_U::CreateGeneralService, "CreateGeneralService"},

src/core/hle/service/nifm/nifm_u.h

@@ -4,20 +4,14 @@
 
 #pragma once
 
-#include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/service/service.h"
+#include "core/hle/service/nifm/nifm.h"
 
 namespace Service {
 namespace NIFM {
 
-class NIFM_U final : public ServiceFramework<NIFM_U> {
+class NIFM_U final : public Module::Interface {
 public:
-    NIFM_U();
-    ~NIFM_U() = default;
-
-private:
-    void CreateGeneralServiceOld(Kernel::HLERequestContext& ctx);
-    void CreateGeneralService(Kernel::HLERequestContext& ctx);
+    explicit NIFM_U(std::shared_ptr<Module> module);
 };
 
 } // namespace NIFM

src/core/hle/service/ns/pl_u.cpp

@@ -4,6 +4,7 @@
 
 #include "common/common_paths.h"
 #include "common/file_util.h"
+#include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/service/ns/pl_u.h"
 
@@ -90,13 +91,13 @@ void PL_U::GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx) {
         // dump. In the future, we need to replace this with a more robust solution.
 
         // Map backing memory for the font data
-        Kernel::g_current_process->vm_manager.MapMemoryBlock(SHARED_FONT_MEM_VADDR, shared_font, 0,
-                                                             SHARED_FONT_MEM_SIZE,
-                                                             Kernel::MemoryState::Shared);
+        Core::CurrentProcess()->vm_manager.MapMemoryBlock(SHARED_FONT_MEM_VADDR, shared_font, 0,
+                                                          SHARED_FONT_MEM_SIZE,
+                                                          Kernel::MemoryState::Shared);
 
         // Create shared font memory object
         shared_font_mem = Kernel::SharedMemory::Create(
-            Kernel::g_current_process, SHARED_FONT_MEM_SIZE, Kernel::MemoryPermission::ReadWrite,
+            Core::CurrentProcess(), SHARED_FONT_MEM_SIZE, Kernel::MemoryPermission::ReadWrite,
             Kernel::MemoryPermission::Read, SHARED_FONT_MEM_VADDR, Kernel::MemoryRegion::BASE,
             "PL_U:shared_font_mem");
     }

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -23,8 +23,8 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u3
                         u32 stride, NVFlinger::BufferQueue::BufferTransformFlags transform) {
     VAddr addr = nvmap_dev->GetObjectAddress(buffer_handle);
     LOG_WARNING(Service,
-                "Drawing from address %llx offset %08X Width %u Height %u Stride %u Format %u",
-                addr, offset, width, height, stride, format);
+                "Drawing from address %lx offset %08X Width %u Height %u Stride %u Format %u", addr,
+                offset, width, height, stride, format);
 
     using PixelFormat = RendererBase::FramebufferInfo::PixelFormat;
     using Flags = NVFlinger::BufferQueue::BufferTransformFlags;

src/core/hle/service/nvflinger/buffer_queue.cpp

@@ -26,26 +26,30 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
     LOG_WARNING(Service, "Adding graphics buffer %u", slot);
 
     queue.emplace_back(buffer);
+
+    if (buffer_wait_event) {
+        buffer_wait_event->Signal();
+    }
 }
 
-u32 BufferQueue::DequeueBuffer(u32 pixel_format, u32 width, u32 height) {
+boost::optional<u32> BufferQueue::DequeueBuffer(u32 width, u32 height) {
     auto itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
         // Only consider free buffers. Buffers become free once again after they've been Acquired
         // and Released by the compositor, see the NVFlinger::Compose method.
-        if (buffer.status != Buffer::Status::Free)
+        if (buffer.status != Buffer::Status::Free) {
             return false;
+        }
 
         // Make sure that the parameters match.
-        auto& igbp_buffer = buffer.igbp_buffer;
-        return igbp_buffer.format == pixel_format && igbp_buffer.width == width &&
-               igbp_buffer.height == height;
+        return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
     });
+
     if (itr == queue.end()) {
-        LOG_CRITICAL(Service_NVDRV, "no free buffers for pixel_format=%d, width=%d, height=%d",
-                     pixel_format, width, height);
-        itr = queue.begin();
+        return boost::none;
     }
 
+    buffer_wait_event = nullptr;
+
     itr->status = Buffer::Status::Dequeued;
     return itr->slot;
 }
@@ -83,6 +87,10 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
     ASSERT(itr != queue.end());
     ASSERT(itr->status == Buffer::Status::Acquired);
     itr->status = Buffer::Status::Free;
+
+    if (buffer_wait_event) {
+        buffer_wait_event->Signal();
+    }
 }
 
 u32 BufferQueue::Query(QueryType type) {
@@ -98,5 +106,10 @@ u32 BufferQueue::Query(QueryType type) {
     return 0;
 }
 
+void BufferQueue::SetBufferWaitEvent(Kernel::SharedPtr<Kernel::Event>&& wait_event) {
+    ASSERT_MSG(!buffer_wait_event, "buffer_wait_event only supports a single waiting thread!");
+    buffer_wait_event = std::move(wait_event);
+}
+
 } // namespace NVFlinger
 } // namespace Service

src/core/hle/service/nvflinger/buffer_queue.h

@@ -69,12 +69,13 @@ public:
     };
 
     void SetPreallocatedBuffer(u32 slot, IGBPBuffer& buffer);
-    u32 DequeueBuffer(u32 pixel_format, u32 width, u32 height);
+    boost::optional<u32> DequeueBuffer(u32 width, u32 height);
     const IGBPBuffer& RequestBuffer(u32 slot) const;
     void QueueBuffer(u32 slot, BufferTransformFlags transform);
     boost::optional<const Buffer&> AcquireBuffer();
     void ReleaseBuffer(u32 slot);
     u32 Query(QueryType type);
+    void SetBufferWaitEvent(Kernel::SharedPtr<Kernel::Event>&& wait_event);
 
     u32 GetId() const {
         return id;
@@ -90,6 +91,9 @@ private:
 
     std::vector<Buffer> queue;
     Kernel::SharedPtr<Kernel::Event> native_handle;
+
+    /// Used to signal waiting thread when no buffers are available
+    Kernel::SharedPtr<Kernel::Event> buffer_wait_event;
 };
 
 } // namespace NVFlinger

src/core/hle/service/nvflinger/nvflinger.cpp

@@ -150,6 +150,9 @@ void NVFlinger::Compose() {
                      igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride, buffer->transform);
 
         buffer_queue->ReleaseBuffer(buffer->slot);
+
+        // TODO(Subv): Figure out when we should actually signal this event.
+        buffer_queue->GetNativeHandle()->Signal();
     }
 }
 

src/core/hle/service/service.cpp

@@ -7,6 +7,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
+#include "core/core.h"
 #include "core/hle/ipc.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/client_port.h"
@@ -19,6 +20,7 @@
 #include "core/hle/service/aoc/aoc_u.h"
 #include "core/hle/service/apm/apm.h"
 #include "core/hle/service/audio/audio.h"
+#include "core/hle/service/fatal/fatal.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/friend/friend.h"
 #include "core/hle/service/hid/hid.h"
@@ -28,7 +30,7 @@
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/pctl/pctl.h"
 #include "core/hle/service/service.h"
-#include "core/hle/service/set/set.h"
+#include "core/hle/service/set/settings.h"
 #include "core/hle/service/sm/controller.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/hle/service/sockets/sockets.h"
@@ -148,12 +150,10 @@ ResultCode ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& co
         break;
     }
     default:
-        UNIMPLEMENTED_MSG("command_type=%d", context.GetCommandType());
+        UNIMPLEMENTED_MSG("command_type=%d", static_cast<int>(context.GetCommandType()));
     }
 
-    u32* cmd_buf = (u32*)Memory::GetPointer(Kernel::GetCurrentThread()->GetTLSAddress());
-    context.WriteToOutgoingCommandBuffer(cmd_buf, *Kernel::g_current_process,
-                                         Kernel::g_handle_table);
+    context.WriteToOutgoingCommandBuffer(*Kernel::GetCurrentThread());
 
     return RESULT_SUCCESS;
 }
@@ -180,6 +180,7 @@ void Init() {
     AOC::InstallInterfaces(*SM::g_service_manager);
     APM::InstallInterfaces(*SM::g_service_manager);
     Audio::InstallInterfaces(*SM::g_service_manager);
+    Fatal::InstallInterfaces(*SM::g_service_manager);
     FileSystem::InstallInterfaces(*SM::g_service_manager);
     Friend::InstallInterfaces(*SM::g_service_manager);
     HID::InstallInterfaces(*SM::g_service_manager);

src/core/hle/service/set/set.cpp

@@ -26,16 +26,19 @@ void SET::GetAvailableLanguageCodes(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_SET, "(STUBBED) called");
 }
 
-SET::SET(const char* name) : ServiceFramework(name) {
+SET::SET() : ServiceFramework("set") {
     static const FunctionInfo functions[] = {
+        {0, nullptr, "GetLanguageCode"},
         {1, &SET::GetAvailableLanguageCodes, "GetAvailableLanguageCodes"},
+        {2, nullptr, "MakeLanguageCode"},
+        {3, nullptr, "GetAvailableLanguageCodeCount"},
+        {4, nullptr, "GetRegionCode"},
+        {5, nullptr, "GetAvailableLanguageCodes2"},
+        {6, nullptr, "GetAvailableLanguageCodeCount2"},
+        {7, nullptr, "GetKeyCodeMap"},
     };
     RegisterHandlers(functions);
 }
 
-void InstallInterfaces(SM::ServiceManager& service_manager) {
-    std::make_shared<SET>("set")->InstallAsService(service_manager);
-}
-
 } // namespace Set
 } // namespace Service

src/core/hle/service/set/set.h

@@ -11,15 +11,12 @@ namespace Set {
 
 class SET final : public ServiceFramework<SET> {
 public:
-    explicit SET(const char* name);
+    explicit SET();
     ~SET() = default;
 
 private:
     void GetAvailableLanguageCodes(Kernel::HLERequestContext& ctx);
 };
 
-/// Registers all Set services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager);
-
 } // namespace Set
 } // namespace Service

src/core/hle/service/set/set_cal.cpp

@@ -0,0 +1,40 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/set/set_cal.h"
+
+namespace Service {
+namespace Set {
+
+SET_CAL::SET_CAL() : ServiceFramework("set:cal") {
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "GetBluetoothBdAddress"},
+        {1, nullptr, "GetConfigurationId1"},
+        {2, nullptr, "GetAccelerometerOffset"},
+        {3, nullptr, "GetAccelerometerScale"},
+        {4, nullptr, "GetGyroscopeOffset"},
+        {5, nullptr, "GetGyroscopeScale"},
+        {6, nullptr, "GetWirelessLanMacAddress"},
+        {7, nullptr, "GetWirelessLanCountryCodeCount"},
+        {8, nullptr, "GetWirelessLanCountryCodes"},
+        {9, nullptr, "GetSerialNumber"},
+        {10, nullptr, "SetInitialSystemAppletProgramId"},
+        {11, nullptr, "SetOverlayDispProgramId"},
+        {12, nullptr, "GetBatteryLot"},
+        {14, nullptr, "GetEciDeviceCertificate"},
+        {15, nullptr, "GetEticketDeviceCertificate"},
+        {16, nullptr, "GetSslKey"},
+        {17, nullptr, "GetSslCertificate"},
+        {18, nullptr, "GetGameCardKey"},
+        {19, nullptr, "GetGameCardCertificate"},
+        {20, nullptr, "GetEciDeviceKey"},
+        {21, nullptr, "GetEticketDeviceKey"},
+        {22, nullptr, "GetSpeakerParameter"},
+        {23, nullptr, "GetLcdVendorId"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/set_cal.h

@@ -0,0 +1,19 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Set {
+
+class SET_CAL final : public ServiceFramework<SET_CAL> {
+public:
+    explicit SET_CAL();
+    ~SET_CAL() = default;
+};
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/set_fd.cpp

@@ -0,0 +1,25 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/set/set_fd.h"
+
+namespace Service {
+namespace Set {
+
+SET_FD::SET_FD() : ServiceFramework("set:fd") {
+    static const FunctionInfo functions[] = {
+        {2, nullptr, "SetSettingsItemValue"},
+        {3, nullptr, "ResetSettingsItemValue"},
+        {4, nullptr, "CreateSettingsItemKeyIterator"},
+        {10, nullptr, "ReadSettings"},
+        {11, nullptr, "ResetSettings"},
+        {20, nullptr, "SetWebInspectorFlag"},
+        {21, nullptr, "SetAllowedSslHosts"},
+        {22, nullptr, "SetHostFsMountPoint"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/set_fd.h

@@ -0,0 +1,19 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Set {
+
+class SET_FD final : public ServiceFramework<SET_FD> {
+public:
+    explicit SET_FD();
+    ~SET_FD() = default;
+};
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/set_sys.cpp

@@ -0,0 +1,167 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/client_port.h"
+#include "core/hle/service/set/set_sys.h"
+
+namespace Service {
+namespace Set {
+
+void SET_SYS::GetColorSetId(Kernel::HLERequestContext& ctx) {
+
+    IPC::ResponseBuilder rb{ctx, 3};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0);
+
+    LOG_WARNING(Service_SET, "(STUBBED) called");
+}
+
+SET_SYS::SET_SYS() : ServiceFramework("set:sys") {
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "SetLanguageCode"},
+        {1, nullptr, "SetNetworkSettings"},
+        {2, nullptr, "GetNetworkSettings"},
+        {3, nullptr, "GetFirmwareVersion"},
+        {4, nullptr, "GetFirmwareVersion2"},
+        {7, nullptr, "GetLockScreenFlag"},
+        {8, nullptr, "SetLockScreenFlag"},
+        {9, nullptr, "GetBacklightSettings"},
+        {10, nullptr, "SetBacklightSettings"},
+        {11, nullptr, "SetBluetoothDevicesSettings"},
+        {12, nullptr, "GetBluetoothDevicesSettings"},
+        {13, nullptr, "GetExternalSteadyClockSourceId"},
+        {14, nullptr, "SetExternalSteadyClockSourceId"},
+        {15, nullptr, "GetUserSystemClockContext"},
+        {16, nullptr, "SetUserSystemClockContext"},
+        {17, nullptr, "GetAccountSettings"},
+        {18, nullptr, "SetAccountSettings"},
+        {19, nullptr, "GetAudioVolume"},
+        {20, nullptr, "SetAudioVolume"},
+        {21, nullptr, "GetEulaVersions"},
+        {22, nullptr, "SetEulaVersions"},
+        {23, &SET_SYS::GetColorSetId, "GetColorSetId"},
+        {24, nullptr, "SetColorSetId"},
+        {25, nullptr, "GetConsoleInformationUploadFlag"},
+        {26, nullptr, "SetConsoleInformationUploadFlag"},
+        {27, nullptr, "GetAutomaticApplicationDownloadFlag"},
+        {28, nullptr, "SetAutomaticApplicationDownloadFlag"},
+        {29, nullptr, "GetNotificationSettings"},
+        {30, nullptr, "SetNotificationSettings"},
+        {31, nullptr, "GetAccountNotificationSettings"},
+        {32, nullptr, "SetAccountNotificationSettings"},
+        {35, nullptr, "GetVibrationMasterVolume"},
+        {36, nullptr, "SetVibrationMasterVolume"},
+        {37, nullptr, "GetSettingsItemValueSize"},
+        {38, nullptr, "GetSettingsItemValue"},
+        {39, nullptr, "GetTvSettings"},
+        {40, nullptr, "SetTvSettings"},
+        {41, nullptr, "GetEdid"},
+        {42, nullptr, "SetEdid"},
+        {43, nullptr, "GetAudioOutputMode"},
+        {44, nullptr, "SetAudioOutputMode"},
+        {45, nullptr, "IsForceMuteOnHeadphoneRemoved"},
+        {46, nullptr, "SetForceMuteOnHeadphoneRemoved"},
+        {47, nullptr, "GetQuestFlag"},
+        {48, nullptr, "SetQuestFlag"},
+        {49, nullptr, "GetDataDeletionSettings"},
+        {50, nullptr, "SetDataDeletionSettings"},
+        {51, nullptr, "GetInitialSystemAppletProgramId"},
+        {52, nullptr, "GetOverlayDispProgramId"},
+        {53, nullptr, "GetDeviceTimeZoneLocationName"},
+        {54, nullptr, "SetDeviceTimeZoneLocationName"},
+        {55, nullptr, "GetWirelessCertificationFileSize"},
+        {56, nullptr, "GetWirelessCertificationFile"},
+        {57, nullptr, "SetRegionCode"},
+        {58, nullptr, "GetNetworkSystemClockContext"},
+        {59, nullptr, "SetNetworkSystemClockContext"},
+        {60, nullptr, "IsUserSystemClockAutomaticCorrectionEnabled"},
+        {61, nullptr, "SetUserSystemClockAutomaticCorrectionEnabled"},
+        {62, nullptr, "GetDebugModeFlag"},
+        {63, nullptr, "GetPrimaryAlbumStorage"},
+        {64, nullptr, "SetPrimaryAlbumStorage"},
+        {65, nullptr, "GetUsb30EnableFlag"},
+        {66, nullptr, "SetUsb30EnableFlag"},
+        {67, nullptr, "GetBatteryLot"},
+        {68, nullptr, "GetSerialNumber"},
+        {69, nullptr, "GetNfcEnableFlag"},
+        {70, nullptr, "SetNfcEnableFlag"},
+        {71, nullptr, "GetSleepSettings"},
+        {72, nullptr, "SetSleepSettings"},
+        {73, nullptr, "GetWirelessLanEnableFlag"},
+        {74, nullptr, "SetWirelessLanEnableFlag"},
+        {75, nullptr, "GetInitialLaunchSettings"},
+        {76, nullptr, "SetInitialLaunchSettings"},
+        {77, nullptr, "GetDeviceNickName"},
+        {78, nullptr, "SetDeviceNickName"},
+        {79, nullptr, "GetProductModel"},
+        {80, nullptr, "GetLdnChannel"},
+        {81, nullptr, "SetLdnChannel"},
+        {82, nullptr, "AcquireTelemetryDirtyFlagEventHandle"},
+        {83, nullptr, "GetTelemetryDirtyFlags"},
+        {84, nullptr, "GetPtmBatteryLot"},
+        {85, nullptr, "SetPtmBatteryLot"},
+        {86, nullptr, "GetPtmFuelGaugeParameter"},
+        {87, nullptr, "SetPtmFuelGaugeParameter"},
+        {88, nullptr, "GetBluetoothEnableFlag"},
+        {89, nullptr, "SetBluetoothEnableFlag"},
+        {90, nullptr, "GetMiiAuthorId"},
+        {91, nullptr, "SetShutdownRtcValue"},
+        {92, nullptr, "GetShutdownRtcValue"},
+        {93, nullptr, "AcquireFatalDirtyFlagEventHandle"},
+        {94, nullptr, "GetFatalDirtyFlags"},
+        {95, nullptr, "GetAutoUpdateEnableFlag"},
+        {96, nullptr, "SetAutoUpdateEnableFlag"},
+        {97, nullptr, "GetNxControllerSettings"},
+        {98, nullptr, "SetNxControllerSettings"},
+        {99, nullptr, "GetBatteryPercentageFlag"},
+        {100, nullptr, "SetBatteryPercentageFlag"},
+        {101, nullptr, "GetExternalRtcResetFlag"},
+        {102, nullptr, "SetExternalRtcResetFlag"},
+        {103, nullptr, "GetUsbFullKeyEnableFlag"},
+        {104, nullptr, "SetUsbFullKeyEnableFlag"},
+        {105, nullptr, "SetExternalSteadyClockInternalOffset"},
+        {106, nullptr, "GetExternalSteadyClockInternalOffset"},
+        {107, nullptr, "GetBacklightSettingsEx"},
+        {108, nullptr, "SetBacklightSettingsEx"},
+        {109, nullptr, "GetHeadphoneVolumeWarningCount"},
+        {110, nullptr, "SetHeadphoneVolumeWarningCount"},
+        {111, nullptr, "GetBluetoothAfhEnableFlag"},
+        {112, nullptr, "SetBluetoothAfhEnableFlag"},
+        {113, nullptr, "GetBluetoothBoostEnableFlag"},
+        {114, nullptr, "SetBluetoothBoostEnableFlag"},
+        {115, nullptr, "GetInRepairProcessEnableFlag"},
+        {116, nullptr, "SetInRepairProcessEnableFlag"},
+        {117, nullptr, "GetHeadphoneVolumeUpdateFlag"},
+        {118, nullptr, "SetHeadphoneVolumeUpdateFlag"},
+        {119, nullptr, "NeedsToUpdateHeadphoneVolume"},
+        {120, nullptr, "GetPushNotificationActivityModeOnSleep"},
+        {121, nullptr, "SetPushNotificationActivityModeOnSleep"},
+        {122, nullptr, "GetServiceDiscoveryControlSettings"},
+        {123, nullptr, "SetServiceDiscoveryControlSettings"},
+        {124, nullptr, "GetErrorReportSharePermission"},
+        {125, nullptr, "SetErrorReportSharePermission"},
+        {126, nullptr, "GetAppletLaunchFlags"},
+        {127, nullptr, "SetAppletLaunchFlags"},
+        {128, nullptr, "GetConsoleSixAxisSensorAccelerationBias"},
+        {129, nullptr, "SetConsoleSixAxisSensorAccelerationBias"},
+        {130, nullptr, "GetConsoleSixAxisSensorAngularVelocityBias"},
+        {131, nullptr, "SetConsoleSixAxisSensorAngularVelocityBias"},
+        {132, nullptr, "GetConsoleSixAxisSensorAccelerationGain"},
+        {133, nullptr, "SetConsoleSixAxisSensorAccelerationGain"},
+        {134, nullptr, "GetConsoleSixAxisSensorAngularVelocityGain"},
+        {135, nullptr, "SetConsoleSixAxisSensorAngularVelocityGain"},
+        {136, nullptr, "GetKeyboardLayout"},
+        {137, nullptr, "SetKeyboardLayout"},
+        {138, nullptr, "GetWebInspectorFlag"},
+        {139, nullptr, "GetAllowedSslHosts"},
+        {140, nullptr, "GetHostFsMountPoint"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/set_sys.h

@@ -0,0 +1,22 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Set {
+
+class SET_SYS final : public ServiceFramework<SET_SYS> {
+public:
+    explicit SET_SYS();
+    ~SET_SYS() = default;
+
+private:
+    void GetColorSetId(Kernel::HLERequestContext& ctx);
+};
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/settings.cpp

@@ -0,0 +1,22 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/set/set.h"
+#include "core/hle/service/set/set_cal.h"
+#include "core/hle/service/set/set_fd.h"
+#include "core/hle/service/set/set_sys.h"
+#include "core/hle/service/set/settings.h"
+
+namespace Service {
+namespace Set {
+
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    std::make_shared<SET>()->InstallAsService(service_manager);
+    std::make_shared<SET_CAL>()->InstallAsService(service_manager);
+    std::make_shared<SET_FD>()->InstallAsService(service_manager);
+    std::make_shared<SET_SYS>()->InstallAsService(service_manager);
+}
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/set/settings.h

@@ -0,0 +1,16 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Set {
+
+/// Registers all Settings services with the specified service manager.
+void InstallInterfaces(SM::ServiceManager& service_manager);
+
+} // namespace Set
+} // namespace Service

src/core/hle/service/time/time.cpp

@@ -107,7 +107,7 @@ private:
         IPC::RequestParser rp{ctx};
         u64 posix_time = rp.Pop<u64>();
 
-        LOG_WARNING(Service_Time, "(STUBBED) called, posix_time=0x%016llX", posix_time);
+        LOG_WARNING(Service_Time, "(STUBBED) called, posix_time=0x%016lX", posix_time);
 
         CalendarTime calendar_time{2018, 1, 1, 0, 0, 0};
         CalendarAdditionalInfo additional_info{};

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

@@ -471,7 +471,7 @@ private:
         u32 flags = rp.Pop<u32>();
         auto buffer_queue = nv_flinger->GetBufferQueue(id);
 
-        LOG_DEBUG(Service_VI, "called, transaction=%x", transaction);
+        LOG_DEBUG(Service_VI, "called, transaction=%x", static_cast<u32>(transaction));
 
         if (transaction == TransactionId::Connect) {
             IGBPConnectRequestParcel request{ctx.ReadBuffer()};
@@ -486,12 +486,30 @@ private:
             ctx.WriteBuffer(response.Serialize());
         } else if (transaction == TransactionId::DequeueBuffer) {
             IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
+            const u32 width{request.data.width};
+            const u32 height{request.data.height};
+            boost::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
 
-            u32 slot = buffer_queue->DequeueBuffer(request.data.pixel_format, request.data.width,
-                                                   request.data.height);
-
-            IGBPDequeueBufferResponseParcel response{slot};
-            ctx.WriteBuffer(response.Serialize());
+            if (slot != boost::none) {
+                // Buffer is available
+                IGBPDequeueBufferResponseParcel response{*slot};
+                ctx.WriteBuffer(response.Serialize());
+            } else {
+                // Wait the current thread until a buffer becomes available
+                auto wait_event = ctx.SleepClientThread(
+                    Kernel::GetCurrentThread(), "IHOSBinderDriver::DequeueBuffer", -1,
+                    [=](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
+                        ThreadWakeupReason reason) {
+                        // Repeat TransactParcel DequeueBuffer when a buffer is available
+                        auto buffer_queue = nv_flinger->GetBufferQueue(id);
+                        boost::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
+                        IGBPDequeueBufferResponseParcel response{*slot};
+                        ctx.WriteBuffer(response.Serialize());
+                        IPC::ResponseBuilder rb{ctx, 2};
+                        rb.Push(RESULT_SUCCESS);
+                    });
+                buffer_queue->SetBufferWaitEvent(std::move(wait_event));
+            }
         } else if (transaction == TransactionId::RequestBuffer) {
             IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};
 

src/core/loader/deconstructed_rom_directory.cpp

@@ -110,8 +110,6 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
         return ResultStatus::Error;
     }
 
-    process = Kernel::Process::Create("main");
-
     const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
     const std::string npdm_path = directory + DIR_SEP + "main.npdm";
 
@@ -127,7 +125,7 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
                                "subsdk4", "subsdk5", "subsdk6", "subsdk7", "sdk"}) {
         const std::string path = directory + DIR_SEP + module;
         const VAddr load_addr = next_load_addr;
-        next_load_addr = AppLoader_NSO::LoadModule(path, load_addr, metadata.GetTitleID());
+        next_load_addr = AppLoader_NSO::LoadModule(path, load_addr);
         if (next_load_addr) {
             LOG_DEBUG(Loader, "loaded module %s @ 0x%" PRIx64, module, load_addr);
         } else {
@@ -135,6 +133,7 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
         }
     }
 
+    process->program_id = metadata.GetTitleID();
     process->svc_access_mask.set();
     process->address_mappings = default_address_mappings;
     process->resource_limit =

src/core/loader/elf.cpp

@@ -300,7 +300,7 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
     std::vector<u8> program_image(total_image_size);
     size_t current_image_position = 0;
 
-    SharedPtr<CodeSet> codeset = CodeSet::Create("", 0);
+    SharedPtr<CodeSet> codeset = CodeSet::Create("");
 
     for (unsigned int i = 0; i < header->e_phnum; ++i) {
         Elf32_Phdr* p = &segments[i];
@@ -406,7 +406,6 @@ ResultStatus AppLoader_ELF::Load(Kernel::SharedPtr<Kernel::Process>& process) {
     SharedPtr<CodeSet> codeset = elf_reader.LoadInto(Memory::PROCESS_IMAGE_VADDR);
     codeset->name = filename;
 
-    process = Kernel::Process::Create("main");
     process->LoadModule(codeset, codeset->entrypoint);
     process->svc_access_mask.set();
     process->address_mappings = default_address_mappings;
@@ -415,7 +414,7 @@ ResultStatus AppLoader_ELF::Load(Kernel::SharedPtr<Kernel::Process>& process) {
     process->resource_limit =
         Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
 
-    process->Run(codeset->entrypoint, 48, Kernel::DEFAULT_STACK_SIZE);
+    process->Run(codeset->entrypoint, 48, Memory::STACK_SIZE);
 
     is_loaded = true;
     return ResultStatus::Success;

src/core/loader/linker.cpp

@@ -84,7 +84,7 @@ void Linker::WriteRelocations(std::vector<u8>& program_image, const std::vector<
             }
             break;
         default:
-            LOG_CRITICAL(Loader, "Unknown relocation type: %d", rela.type);
+            LOG_CRITICAL(Loader, "Unknown relocation type: %d", static_cast<int>(rela.type));
             break;
         }
     }

src/core/loader/nro.cpp

@@ -8,6 +8,7 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/swap.h"
+#include "core/core.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/loader/nro.h"
@@ -83,7 +84,7 @@ bool AppLoader_NRO::LoadNro(const std::string& path, VAddr load_base) {
     }
 
     // Build program image
-    Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("", 0);
+    Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("");
     std::vector<u8> program_image;
     program_image.resize(PageAlignSize(nro_header.file_size));
     file.Seek(0, SEEK_SET);
@@ -112,7 +113,7 @@ bool AppLoader_NRO::LoadNro(const std::string& path, VAddr load_base) {
     // Load codeset for current process
     codeset->name = path;
     codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
-    Kernel::g_current_process->LoadModule(codeset, load_base);
+    Core::CurrentProcess()->LoadModule(codeset, load_base);
 
     return true;
 }
@@ -125,8 +126,6 @@ ResultStatus AppLoader_NRO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
         return ResultStatus::Error;
     }
 
-    process = Kernel::Process::Create("main");
-
     // Load NRO
     static constexpr VAddr base_addr{Memory::PROCESS_IMAGE_VADDR};
 
@@ -138,7 +137,7 @@ ResultStatus AppLoader_NRO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
     process->address_mappings = default_address_mappings;
     process->resource_limit =
         Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
-    process->Run(base_addr, 48, Kernel::DEFAULT_STACK_SIZE);
+    process->Run(base_addr, 48, Memory::STACK_SIZE);
 
     is_loaded = true;
     return ResultStatus::Success;

src/core/loader/nso.cpp

@@ -9,6 +9,7 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/swap.h"
+#include "core/core.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/loader/nso.h"
@@ -92,7 +93,7 @@ static constexpr u32 PageAlignSize(u32 size) {
     return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
 }
 
-VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base, u64 tid) {
+VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base) {
     FileUtil::IOFile file(path, "rb");
     if (!file.IsOpen()) {
         return {};
@@ -109,7 +110,7 @@ VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base, u64 ti
     }
 
     // Build program image
-    Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("", tid);
+    Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("");
     std::vector<u8> program_image;
     for (int i = 0; i < nso_header.segments.size(); ++i) {
         std::vector<u8> data =
@@ -142,7 +143,7 @@ VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base, u64 ti
     // Load codeset for current process
     codeset->name = path;
     codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
-    Kernel::g_current_process->LoadModule(codeset, load_base);
+    Core::CurrentProcess()->LoadModule(codeset, load_base);
 
     return load_base + image_size;
 }
@@ -155,10 +156,8 @@ ResultStatus AppLoader_NSO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
         return ResultStatus::Error;
     }
 
-    process = Kernel::Process::Create("main");
-
     // Load module
-    LoadModule(filepath, Memory::PROCESS_IMAGE_VADDR, 0);
+    LoadModule(filepath, Memory::PROCESS_IMAGE_VADDR);
     LOG_DEBUG(Loader, "loaded module %s @ 0x%" PRIx64, filepath.c_str(),
               Memory::PROCESS_IMAGE_VADDR);
 
@@ -166,7 +165,7 @@ ResultStatus AppLoader_NSO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
     process->address_mappings = default_address_mappings;
     process->resource_limit =
         Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
-    process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
+    process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Memory::STACK_SIZE);
 
     is_loaded = true;
     return ResultStatus::Success;

src/core/loader/nso.h

@@ -29,7 +29,7 @@ public:
         return IdentifyType(file, filepath);
     }
 
-    static VAddr LoadModule(const std::string& path, VAddr load_base, u64 tid);
+    static VAddr LoadModule(const std::string& path, VAddr load_base);
 
     ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
 

src/core/memory.cpp

@@ -109,7 +109,7 @@ static std::set<MemoryHookPointer> GetSpecialHandlers(const PageTable& page_tabl
 }
 
 static std::set<MemoryHookPointer> GetSpecialHandlers(VAddr vaddr, u64 size) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     return GetSpecialHandlers(page_table, vaddr, size);
 }
 
@@ -202,7 +202,7 @@ bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
 }
 
 bool IsValidVirtualAddress(const VAddr vaddr) {
-    return IsValidVirtualAddress(*Kernel::g_current_process, vaddr);
+    return IsValidVirtualAddress(*Core::CurrentProcess(), vaddr);
 }
 
 bool IsValidPhysicalAddress(const PAddr paddr) {
@@ -364,7 +364,7 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
 }
 
 void ReadBlock(const VAddr src_addr, void* dest_buffer, const size_t size) {
-    ReadBlock(*Kernel::g_current_process, src_addr, dest_buffer, size);
+    ReadBlock(*Core::CurrentProcess(), src_addr, dest_buffer, size);
 }
 
 void Write8(const VAddr addr, const u8 data) {
@@ -435,11 +435,11 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
 }
 
 void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size) {
-    WriteBlock(*Kernel::g_current_process, dest_addr, src_buffer, size);
+    WriteBlock(*Core::CurrentProcess(), dest_addr, src_buffer, size);
 }
 
 void ZeroBlock(const VAddr dest_addr, const size_t size) {
-    const auto& process = *Kernel::g_current_process;
+    const auto& process = *Core::CurrentProcess();
 
     size_t remaining_size = size;
     size_t page_index = dest_addr >> PAGE_BITS;
@@ -480,7 +480,7 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
 }
 
 void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
-    const auto& process = *Kernel::g_current_process;
+    const auto& process = *Core::CurrentProcess();
 
     size_t remaining_size = size;
     size_t page_index = src_addr >> PAGE_BITS;
@@ -526,7 +526,7 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
 
 template <>
 boost::optional<u8> ReadSpecial<u8>(VAddr addr) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u8)))
         if (auto result = handler->Read8(addr))
             return *result;
@@ -535,7 +535,7 @@ boost::optional<u8> ReadSpecial<u8>(VAddr addr) {
 
 template <>
 boost::optional<u16> ReadSpecial<u16>(VAddr addr) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u16)))
         if (auto result = handler->Read16(addr))
             return *result;
@@ -544,7 +544,7 @@ boost::optional<u16> ReadSpecial<u16>(VAddr addr) {
 
 template <>
 boost::optional<u32> ReadSpecial<u32>(VAddr addr) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u32)))
         if (auto result = handler->Read32(addr))
             return *result;
@@ -553,7 +553,7 @@ boost::optional<u32> ReadSpecial<u32>(VAddr addr) {
 
 template <>
 boost::optional<u64> ReadSpecial<u64>(VAddr addr) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u64)))
         if (auto result = handler->Read64(addr))
             return *result;
@@ -562,7 +562,7 @@ boost::optional<u64> ReadSpecial<u64>(VAddr addr) {
 
 template <>
 bool WriteSpecial<u8>(VAddr addr, const u8 data) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u8)))
         if (handler->Write8(addr, data))
             return true;
@@ -571,7 +571,7 @@ bool WriteSpecial<u8>(VAddr addr, const u8 data) {
 
 template <>
 bool WriteSpecial<u16>(VAddr addr, const u16 data) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u16)))
         if (handler->Write16(addr, data))
             return true;
@@ -580,7 +580,7 @@ bool WriteSpecial<u16>(VAddr addr, const u16 data) {
 
 template <>
 bool WriteSpecial<u32>(VAddr addr, const u32 data) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u32)))
         if (handler->Write32(addr, data))
             return true;
@@ -589,7 +589,7 @@ bool WriteSpecial<u32>(VAddr addr, const u32 data) {
 
 template <>
 bool WriteSpecial<u64>(VAddr addr, const u64 data) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
     for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u64)))
         if (handler->Write64(addr, data))
             return true;
@@ -632,7 +632,7 @@ boost::optional<VAddr> PhysicalToVirtualAddress(const PAddr addr) {
     } else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
         return addr - VRAM_PADDR + VRAM_VADDR;
     } else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
-        return addr - FCRAM_PADDR + Kernel::g_current_process->GetLinearHeapAreaAddress();
+        return addr - FCRAM_PADDR + Core::CurrentProcess()->GetLinearHeapAreaAddress();
     } else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
         return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
     } else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {

src/core/memory.h

@@ -129,21 +129,6 @@ enum : VAddr {
     PROCESS_IMAGE_MAX_SIZE = 0x08000000,
     PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE,
 
-    /// Area where IPC buffers are mapped onto.
-    IPC_MAPPING_VADDR = 0x04000000,
-    IPC_MAPPING_SIZE = 0x04000000,
-    IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE,
-
-    /// Application heap (includes stack).
-    HEAP_VADDR = 0x108000000,
-    HEAP_SIZE = 0xF0000000,
-    HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
-
-    /// Area where shared memory buffers are mapped onto.
-    SHARED_MEMORY_VADDR = 0x10000000,
-    SHARED_MEMORY_SIZE = 0x04000000,
-    SHARED_MEMORY_VADDR_END = SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE,
-
     /// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical
     /// memory.
     LINEAR_HEAP_VADDR = 0x14000000,
@@ -176,14 +161,39 @@ enum : VAddr {
     SHARED_PAGE_SIZE = 0x00001000,
     SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE,
 
-    /// Area where TLS (Thread-Local Storage) buffers are allocated.
-    TLS_AREA_VADDR = 0x228000000,
-    TLS_ENTRY_SIZE = 0x200,
-
     /// Equivalent to LINEAR_HEAP_VADDR, but expanded to cover the extra memory in the New 3DS.
     NEW_LINEAR_HEAP_VADDR = 0x30000000,
     NEW_LINEAR_HEAP_SIZE = 0x10000000,
     NEW_LINEAR_HEAP_VADDR_END = NEW_LINEAR_HEAP_VADDR + NEW_LINEAR_HEAP_SIZE,
+
+    /// Area where TLS (Thread-Local Storage) buffers are allocated.
+    TLS_AREA_VADDR = NEW_LINEAR_HEAP_VADDR_END,
+    TLS_ENTRY_SIZE = 0x200,
+    TLS_AREA_SIZE = 0x10000000,
+    TLS_ADREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
+
+    /// Application stack
+    STACK_VADDR = TLS_ADREA_VADDR_END,
+    STACK_SIZE = 0x10000,
+    STACK_VADDR_END = STACK_VADDR + STACK_SIZE,
+
+    /// Application heap
+    /// Size is confirmed to be a static value on fw 3.0.0
+    HEAP_VADDR = 0x108000000,
+    HEAP_SIZE = 0x180000000,
+    HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
+
+    /// New map region
+    /// Size is confirmed to be a static value on fw 3.0.0
+    NEW_MAP_REGION_VADDR = HEAP_VADDR_END,
+    NEW_MAP_REGION_SIZE = 0x80000000,
+    NEW_MAP_REGION_VADDR_END = NEW_MAP_REGION_VADDR + NEW_MAP_REGION_SIZE,
+
+    /// Map region
+    /// Size is confirmed to be a static value on fw 3.0.0
+    MAP_REGION_VADDR = NEW_MAP_REGION_VADDR_END,
+    MAP_REGION_SIZE = 0x1000000000,
+    MAP_REGION_VADDR_END = MAP_REGION_VADDR + MAP_REGION_SIZE,
 };
 
 /// Currently active page table

src/tests/core/arm/arm_test_common.cpp

@@ -15,8 +15,8 @@ static Memory::PageTable* page_table = nullptr;
 TestEnvironment::TestEnvironment(bool mutable_memory_)
     : mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
 
-    Kernel::g_current_process = Kernel::Process::Create("");
-    page_table = &Kernel::g_current_process->vm_manager.page_table;
+    Core::CurrentProcess() = Kernel::Process::Create("");
+    page_table = &Core::CurrentProcess()->vm_manager.page_table;
 
     page_table->pointers.fill(nullptr);
     page_table->special_regions.clear();

src/video_core/CMakeLists.txt

@@ -7,6 +7,7 @@ add_library(video_core STATIC
     engines/maxwell_3d.h
     engines/maxwell_compute.cpp
     engines/maxwell_compute.h
+    gpu.cpp
     gpu.h
     memory_manager.cpp
     memory_manager.h

src/video_core/command_processor.cpp

@@ -24,12 +24,37 @@ namespace Tegra {
 
 enum class BufferMethods {
     BindObject = 0,
+    SetGraphMacroCode = 0x45,
+    SetGraphMacroCodeArg = 0x46,
+    SetGraphMacroEntry = 0x47,
     CountBufferMethods = 0x100,
 };
 
-void GPU::WriteReg(u32 method, u32 subchannel, u32 value) {
-    LOG_WARNING(HW_GPU, "Processing method %08X on subchannel %u value %08X", method, subchannel,
-                value);
+void GPU::WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params) {
+    LOG_WARNING(HW_GPU, "Processing method %08X on subchannel %u value %08X remaining params %u",
+                method, subchannel, value, remaining_params);
+
+    if (method == static_cast<u32>(BufferMethods::SetGraphMacroEntry)) {
+        // Prepare to upload a new macro, reset the upload counter.
+        LOG_DEBUG(HW_GPU, "Uploading GPU macro %08X", value);
+        current_macro_entry = value;
+        current_macro_code.clear();
+        return;
+    }
+
+    if (method == static_cast<u32>(BufferMethods::SetGraphMacroCodeArg)) {
+        // Append a new code word to the current macro.
+        current_macro_code.push_back(value);
+
+        // There are no more params remaining, submit the code to the 3D engine.
+        if (remaining_params == 0) {
+            maxwell_3d->SubmitMacroCode(current_macro_entry, std::move(current_macro_code));
+            current_macro_entry = InvalidGraphMacroEntry;
+            current_macro_code.clear();
+        }
+
+        return;
+    }
 
     if (method == static_cast<u32>(BufferMethods::BindObject)) {
         // Bind the current subchannel to the desired engine id.
@@ -54,7 +79,7 @@ void GPU::WriteReg(u32 method, u32 subchannel, u32 value) {
         fermi_2d->WriteReg(method, value);
         break;
     case EngineID::MAXWELL_B:
-        maxwell_3d->WriteReg(method, value);
+        maxwell_3d->WriteReg(method, value, remaining_params);
         break;
     case EngineID::MAXWELL_COMPUTE_B:
         maxwell_compute->WriteReg(method, value);
@@ -78,7 +103,8 @@ void GPU::ProcessCommandList(GPUVAddr address, u32 size) {
         case SubmissionMode::Increasing: {
             // Increase the method value with each argument.
             for (unsigned i = 0; i < header.arg_count; ++i) {
-                WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr));
+                WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr),
+                         header.arg_count - i - 1);
                 current_addr += sizeof(u32);
             }
             break;
@@ -87,27 +113,31 @@ void GPU::ProcessCommandList(GPUVAddr address, u32 size) {
         case SubmissionMode::NonIncreasing: {
             // Use the same method value for all arguments.
             for (unsigned i = 0; i < header.arg_count; ++i) {
-                WriteReg(header.method, header.subchannel, Memory::Read32(current_addr));
+                WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
+                         header.arg_count - i - 1);
                 current_addr += sizeof(u32);
             }
             break;
         }
         case SubmissionMode::IncreaseOnce: {
             ASSERT(header.arg_count.Value() >= 1);
+
             // Use the original method for the first argument and then the next method for all other
             // arguments.
-            WriteReg(header.method, header.subchannel, Memory::Read32(current_addr));
+            WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
+                     header.arg_count - 1);
             current_addr += sizeof(u32);
-            // Use the same method value for all arguments.
+
             for (unsigned i = 1; i < header.arg_count; ++i) {
-                WriteReg(header.method + 1, header.subchannel, Memory::Read32(current_addr));
+                WriteReg(header.method + 1, header.subchannel, Memory::Read32(current_addr),
+                         header.arg_count - i - 1);
                 current_addr += sizeof(u32);
             }
             break;
         }
         case SubmissionMode::Inline: {
             // The register value is stored in the bits 16-28 as an immediate
-            WriteReg(header.method, header.subchannel, header.inline_data);
+            WriteReg(header.method, header.subchannel, header.inline_data, 0);
             break;
         }
         default:

src/video_core/command_processor.h

@@ -34,6 +34,4 @@ static_assert(std::is_standard_layout<CommandHeader>::value == true,
               "CommandHeader does not use standard layout");
 static_assert(sizeof(CommandHeader) == sizeof(u32), "CommandHeader has incorrect size!");
 
-void ProcessCommandList(VAddr address, u32 size);
-
 } // namespace Tegra

src/video_core/engines/maxwell_3d.cpp

@@ -8,17 +8,126 @@
 namespace Tegra {
 namespace Engines {
 
+/// First register id that is actually a Macro call.
+constexpr u32 MacroRegistersStart = 0xE00;
+
+const std::unordered_map<u32, Maxwell3D::MethodInfo> Maxwell3D::method_handlers = {
+    {0xE1A, {"BindTextureInfoBuffer", 1, &Maxwell3D::BindTextureInfoBuffer}},
+    {0xE24, {"SetShader", 5, &Maxwell3D::SetShader}},
+    {0xE2A, {"BindStorageBuffer", 1, &Maxwell3D::BindStorageBuffer}},
+};
+
 Maxwell3D::Maxwell3D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
 
-void Maxwell3D::WriteReg(u32 method, u32 value) {
+void Maxwell3D::SubmitMacroCode(u32 entry, std::vector<u32> code) {
+    uploaded_macros[entry * 2 + MacroRegistersStart] = std::move(code);
+}
+
+void Maxwell3D::CallMacroMethod(u32 method, const std::vector<u32>& parameters) {
+    // TODO(Subv): Write an interpreter for the macros uploaded via registers 0x45 and 0x47
+
+    // The requested macro must have been uploaded already.
+    ASSERT_MSG(uploaded_macros.find(method) != uploaded_macros.end(), "Macro %08X was not uploaded",
+               method);
+
+    auto itr = method_handlers.find(method);
+    ASSERT_MSG(itr != method_handlers.end(), "Unhandled method call %08X", method);
+
+    ASSERT(itr->second.arguments == parameters.size());
+
+    (this->*itr->second.handler)(parameters);
+
+    // Reset the current macro and its parameters.
+    executing_macro = 0;
+    macro_params.clear();
+}
+
+void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
     ASSERT_MSG(method < Regs::NUM_REGS,
                "Invalid Maxwell3D register, increase the size of the Regs structure");
 
+    // It is an error to write to a register other than the current macro's ARG register before it
+    // has finished execution.
+    if (executing_macro != 0) {
+        ASSERT(method == executing_macro + 1);
+    }
+
+    // Methods after 0xE00 are special, they're actually triggers for some microcode that was
+    // uploaded to the GPU during initialization.
+    if (method >= MacroRegistersStart) {
+        // We're trying to execute a macro
+        if (executing_macro == 0) {
+            // A macro call must begin by writing the macro method's register, not its argument.
+            ASSERT_MSG((method % 2) == 0,
+                       "Can't start macro execution by writing to the ARGS register");
+            executing_macro = method;
+        }
+
+        macro_params.push_back(value);
+
+        // Call the macro when there are no more parameters in the command buffer
+        if (remaining_params == 0) {
+            CallMacroMethod(executing_macro, macro_params);
+        }
+        return;
+    }
+
     regs.reg_array[method] = value;
 
 #define MAXWELL3D_REG_INDEX(field_name) (offsetof(Regs, field_name) / sizeof(u32))
 
     switch (method) {
+    case MAXWELL3D_REG_INDEX(code_address.code_address_high):
+    case MAXWELL3D_REG_INDEX(code_address.code_address_low): {
+        // Note: For some reason games (like Puyo Puyo Tetris) seem to write 0 to the CODE_ADDRESS
+        // register, we do not currently know if that's intended or a bug, so we assert it lest
+        // stuff breaks in other places (like the shader address calculation).
+        ASSERT_MSG(regs.code_address.CodeAddress() == 0, "Unexpected CODE_ADDRESS register value.");
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[3]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[4]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[5]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[6]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[7]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[8]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[9]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[10]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[11]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[12]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[13]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[14]):
+    case MAXWELL3D_REG_INDEX(const_buffer.cb_data[15]): {
+        ProcessCBData(value);
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(cb_bind[0].raw_config): {
+        ProcessCBBind(Regs::ShaderStage::Vertex);
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(cb_bind[1].raw_config): {
+        ProcessCBBind(Regs::ShaderStage::TesselationControl);
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(cb_bind[2].raw_config): {
+        ProcessCBBind(Regs::ShaderStage::TesselationEval);
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(cb_bind[3].raw_config): {
+        ProcessCBBind(Regs::ShaderStage::Geometry);
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(cb_bind[4].raw_config): {
+        ProcessCBBind(Regs::ShaderStage::Fragment);
+        break;
+    }
+    case MAXWELL3D_REG_INDEX(draw.vertex_end_gl): {
+        DrawArrays();
+        break;
+    }
     case MAXWELL3D_REG_INDEX(query.query_get): {
         ProcessQueryGet();
         break;
@@ -44,8 +153,122 @@ void Maxwell3D::ProcessQueryGet() {
         break;
     }
     default:
-        UNIMPLEMENTED_MSG("Query mode %u not implemented", regs.query.query_get.mode.Value());
+        UNIMPLEMENTED_MSG("Query mode %u not implemented",
+                          static_cast<u32>(regs.query.query_get.mode.Value()));
     }
 }
+
+void Maxwell3D::DrawArrays() {
+    LOG_WARNING(HW_GPU, "Game requested a DrawArrays, ignoring");
+}
+
+void Maxwell3D::BindTextureInfoBuffer(const std::vector<u32>& parameters) {
+    /**
+     * Parameters description:
+     * [0] = Shader stage, usually 4 for FragmentShader
+     */
+
+    u32 stage = parameters[0];
+
+    // Perform the same operations as the real macro code.
+    GPUVAddr address = static_cast<GPUVAddr>(regs.tex_info_buffers.address[stage]) << 8;
+    u32 size = regs.tex_info_buffers.size[stage];
+
+    regs.const_buffer.cb_size = size;
+    regs.const_buffer.cb_address_high = address >> 32;
+    regs.const_buffer.cb_address_low = address & 0xFFFFFFFF;
+}
+
+void Maxwell3D::SetShader(const std::vector<u32>& parameters) {
+    /**
+     * Parameters description:
+     * [0] = Shader Program.
+     * [1] = Unknown, presumably the shader id.
+     * [2] = Offset to the start of the shader, after the 0x30 bytes header.
+     * [3] = Shader Stage.
+     * [4] = Const Buffer Address >> 8.
+     */
+    auto shader_program = static_cast<Regs::ShaderProgram>(parameters[0]);
+    // TODO(Subv): This address is probably an offset from the CODE_ADDRESS register.
+    GPUVAddr address = parameters[2];
+    auto shader_stage = static_cast<Regs::ShaderStage>(parameters[3]);
+    GPUVAddr cb_address = parameters[4] << 8;
+
+    auto& shader = state.shader_programs[static_cast<size_t>(shader_program)];
+    shader.program = shader_program;
+    shader.stage = shader_stage;
+    shader.address = address;
+
+    // Perform the same operations as the real macro code.
+    // TODO(Subv): Early exit if register 0xD1C + shader_program contains the same as params[1].
+    auto& shader_regs = regs.shader_config[static_cast<size_t>(shader_program)];
+    shader_regs.start_id = address;
+    // TODO(Subv): Write params[1] to register 0xD1C + shader_program.
+    // TODO(Subv): Write params[2] to register 0xD22 + shader_program.
+
+    // Note: This value is hardcoded in the macro's code.
+    static constexpr u32 DefaultCBSize = 0x10000;
+    regs.const_buffer.cb_size = DefaultCBSize;
+    regs.const_buffer.cb_address_high = cb_address >> 32;
+    regs.const_buffer.cb_address_low = cb_address & 0xFFFFFFFF;
+
+    // Write a hardcoded 0x11 to CB_BIND, this binds the current const buffer to buffer c1[] in the
+    // shader. It's likely that these are the constants for the shader.
+    regs.cb_bind[static_cast<size_t>(shader_stage)].valid.Assign(1);
+    regs.cb_bind[static_cast<size_t>(shader_stage)].index.Assign(1);
+
+    ProcessCBBind(shader_stage);
+}
+
+void Maxwell3D::BindStorageBuffer(const std::vector<u32>& parameters) {
+    /**
+     * Parameters description:
+     * [0] = Buffer offset >> 2
+     */
+
+    u32 buffer_offset = parameters[0] << 2;
+
+    // Perform the same operations as the real macro code.
+    // Note: This value is hardcoded in the macro's code.
+    static constexpr u32 DefaultCBSize = 0x5F00;
+    regs.const_buffer.cb_size = DefaultCBSize;
+
+    GPUVAddr address = regs.ssbo_info.BufferAddress();
+    regs.const_buffer.cb_address_high = address >> 32;
+    regs.const_buffer.cb_address_low = address & 0xFFFFFFFF;
+
+    regs.const_buffer.cb_pos = buffer_offset;
+}
+
+void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
+    // Bind the buffer currently in CB_ADDRESS to the specified index in the desired shader stage.
+    auto& shader = state.shader_stages[static_cast<size_t>(stage)];
+    auto& bind_data = regs.cb_bind[static_cast<size_t>(stage)];
+
+    auto& buffer = shader.const_buffers[bind_data.index];
+
+    buffer.enabled = bind_data.valid.Value() != 0;
+    buffer.index = bind_data.index;
+    buffer.address = regs.const_buffer.BufferAddress();
+    buffer.size = regs.const_buffer.cb_size;
+}
+
+void Maxwell3D::ProcessCBData(u32 value) {
+    // Write the input value to the current const buffer at the current position.
+    GPUVAddr buffer_address = regs.const_buffer.BufferAddress();
+    ASSERT(buffer_address != 0);
+
+    // Don't allow writing past the end of the buffer.
+    ASSERT(regs.const_buffer.cb_pos + sizeof(u32) <= regs.const_buffer.cb_size);
+
+    VAddr address =
+        memory_manager.PhysicalToVirtualAddress(buffer_address + regs.const_buffer.cb_pos);
+
+    Memory::Write32(address, value);
+
+    // Increment the current buffer position.
+    regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4;
+}
+
 } // namespace Engines
 } // namespace Tegra

src/video_core/engines/maxwell_3d.h

@@ -4,6 +4,9 @@
 
 #pragma once
 
+#include <array>
+#include <unordered_map>
+#include <vector>
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -18,21 +21,134 @@ public:
     ~Maxwell3D() = default;
 
     /// Write the value to the register identified by method.
-    void WriteReg(u32 method, u32 value);
+    void WriteReg(u32 method, u32 value, u32 remaining_params);
+
+    /// Uploads the code for a GPU macro program associated with the specified entry.
+    void SubmitMacroCode(u32 entry, std::vector<u32> code);
 
     /// Register structure of the Maxwell3D engine.
     /// TODO(Subv): This structure will need to be made bigger as more registers are discovered.
     struct Regs {
         static constexpr size_t NUM_REGS = 0xE36;
 
+        static constexpr size_t NumRenderTargets = 8;
+        static constexpr size_t NumCBData = 16;
+        static constexpr size_t NumVertexArrays = 32;
+        static constexpr size_t MaxShaderProgram = 6;
+        static constexpr size_t MaxShaderStage = 5;
+        // Maximum number of const buffers per shader stage.
+        static constexpr size_t MaxConstBuffers = 16;
+
         enum class QueryMode : u32 {
             Write = 0,
             Sync = 1,
         };
 
+        enum class ShaderProgram : u32 {
+            VertexA = 0,
+            VertexB = 1,
+            TesselationControl = 2,
+            TesselationEval = 3,
+            Geometry = 4,
+            Fragment = 5,
+        };
+
+        enum class ShaderStage : u32 {
+            Vertex = 0,
+            TesselationControl = 1,
+            TesselationEval = 2,
+            Geometry = 3,
+            Fragment = 4,
+        };
+
         union {
             struct {
-                INSERT_PADDING_WORDS(0x6C0);
+                INSERT_PADDING_WORDS(0x200);
+
+                struct {
+                    u32 address_high;
+                    u32 address_low;
+                    u32 horiz;
+                    u32 vert;
+                    u32 format;
+                    u32 block_dimensions;
+                    u32 array_mode;
+                    u32 layer_stride;
+                    u32 base_layer;
+                    INSERT_PADDING_WORDS(7);
+
+                    GPUVAddr Address() const {
+                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
+                                                     address_low);
+                    }
+                } rt[NumRenderTargets];
+
+                INSERT_PADDING_WORDS(0x178);
+
+                struct {
+                    u32 address_high;
+                    u32 address_low;
+                    u32 format;
+                    u32 block_dimensions;
+                    u32 layer_stride;
+
+                    GPUVAddr Address() const {
+                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
+                                                     address_low);
+                    }
+                } zeta;
+
+                INSERT_PADDING_WORDS(0x8A);
+
+                struct {
+                    union {
+                        BitField<0, 4, u32> count;
+                    };
+                } rt_control;
+
+                INSERT_PADDING_WORDS(0xCF);
+
+                struct {
+                    u32 tsc_address_high;
+                    u32 tsc_address_low;
+                    u32 tsc_limit;
+
+                    GPUVAddr TSCAddress() const {
+                        return static_cast<GPUVAddr>(
+                            (static_cast<GPUVAddr>(tsc_address_high) << 32) | tsc_address_low);
+                    }
+                } tsc;
+
+                INSERT_PADDING_WORDS(0x3);
+
+                struct {
+                    u32 tic_address_high;
+                    u32 tic_address_low;
+                    u32 tic_limit;
+
+                    GPUVAddr TICAddress() const {
+                        return static_cast<GPUVAddr>(
+                            (static_cast<GPUVAddr>(tic_address_high) << 32) | tic_address_low);
+                    }
+                } tic;
+
+                INSERT_PADDING_WORDS(0x22);
+
+                struct {
+                    u32 code_address_high;
+                    u32 code_address_low;
+
+                    GPUVAddr CodeAddress() const {
+                        return static_cast<GPUVAddr>(
+                            (static_cast<GPUVAddr>(code_address_high) << 32) | code_address_low);
+                    }
+                } code_address;
+                INSERT_PADDING_WORDS(1);
+                struct {
+                    u32 vertex_end_gl;
+                    u32 vertex_begin_gl;
+                } draw;
+                INSERT_PADDING_WORDS(0x139);
                 struct {
                     u32 query_address_high;
                     u32 query_address_low;
@@ -49,7 +165,98 @@ public:
                             (static_cast<GPUVAddr>(query_address_high) << 32) | query_address_low);
                     }
                 } query;
-                INSERT_PADDING_WORDS(0x772);
+
+                INSERT_PADDING_WORDS(0x3C);
+
+                struct {
+                    union {
+                        BitField<0, 12, u32> stride;
+                        BitField<12, 1, u32> enable;
+                    };
+                    u32 start_high;
+                    u32 start_low;
+                    u32 divisor;
+
+                    GPUVAddr StartAddress() const {
+                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(start_high) << 32) |
+                                                     start_low);
+                    }
+                } vertex_array[NumVertexArrays];
+
+                INSERT_PADDING_WORDS(0x40);
+
+                struct {
+                    u32 limit_high;
+                    u32 limit_low;
+
+                    GPUVAddr LimitAddress() const {
+                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(limit_high) << 32) |
+                                                     limit_low);
+                    }
+                } vertex_array_limit[NumVertexArrays];
+
+                struct {
+                    union {
+                        BitField<0, 1, u32> enable;
+                        BitField<4, 4, ShaderProgram> program;
+                    };
+                    u32 start_id;
+                    INSERT_PADDING_WORDS(1);
+                    u32 gpr_alloc;
+                    ShaderStage type;
+                    INSERT_PADDING_WORDS(9);
+                } shader_config[MaxShaderProgram];
+
+                INSERT_PADDING_WORDS(0x8C);
+
+                struct {
+                    u32 cb_size;
+                    u32 cb_address_high;
+                    u32 cb_address_low;
+                    u32 cb_pos;
+                    u32 cb_data[NumCBData];
+
+                    GPUVAddr BufferAddress() const {
+                        return static_cast<GPUVAddr>(
+                            (static_cast<GPUVAddr>(cb_address_high) << 32) | cb_address_low);
+                    }
+                } const_buffer;
+
+                INSERT_PADDING_WORDS(0x10);
+
+                struct {
+                    union {
+                        u32 raw_config;
+                        BitField<0, 1, u32> valid;
+                        BitField<4, 5, u32> index;
+                    };
+                    INSERT_PADDING_WORDS(7);
+                } cb_bind[MaxShaderStage];
+
+                INSERT_PADDING_WORDS(0x56);
+
+                u32 tex_cb_index;
+
+                INSERT_PADDING_WORDS(0x395);
+
+                struct {
+                    /// Compressed address of a buffer that holds information about bound SSBOs.
+                    /// This address is usually bound to c0 in the shaders.
+                    u32 buffer_address;
+
+                    GPUVAddr BufferAddress() const {
+                        return static_cast<GPUVAddr>(buffer_address) << 8;
+                    }
+                } ssbo_info;
+
+                INSERT_PADDING_WORDS(0x11);
+
+                struct {
+                    u32 address[MaxShaderStage];
+                    u32 size[MaxShaderStage];
+                } tex_info_buffers;
+
+                INSERT_PADDING_WORDS(0x102);
             };
             std::array<u32, NUM_REGS> reg_array;
         };
@@ -57,18 +264,94 @@ public:
 
     static_assert(sizeof(Regs) == Regs::NUM_REGS * sizeof(u32), "Maxwell3D Regs has wrong size");
 
+    struct State {
+        struct ConstBufferInfo {
+            GPUVAddr address;
+            u32 index;
+            u32 size;
+            bool enabled;
+        };
+
+        struct ShaderProgramInfo {
+            Regs::ShaderStage stage;
+            Regs::ShaderProgram program;
+            GPUVAddr address;
+        };
+
+        struct ShaderStageInfo {
+            std::array<ConstBufferInfo, Regs::MaxConstBuffers> const_buffers;
+        };
+
+        std::array<ShaderStageInfo, Regs::MaxShaderStage> shader_stages;
+        std::array<ShaderProgramInfo, Regs::MaxShaderProgram> shader_programs;
+    };
+
+    State state{};
+
 private:
+    MemoryManager& memory_manager;
+
+    std::unordered_map<u32, std::vector<u32>> uploaded_macros;
+
+    /// Macro method that is currently being executed / being fed parameters.
+    u32 executing_macro = 0;
+    /// Parameters that have been submitted to the macro call so far.
+    std::vector<u32> macro_params;
+
+    /**
+     * Call a macro on this engine.
+     * @param method Method to call
+     * @param parameters Arguments to the method call
+     */
+    void CallMacroMethod(u32 method, const std::vector<u32>& parameters);
+
     /// Handles a write to the QUERY_GET register.
     void ProcessQueryGet();
 
-    MemoryManager& memory_manager;
+    /// Handles a write to the CB_DATA[i] register.
+    void ProcessCBData(u32 value);
+
+    /// Handles a write to the CB_BIND register.
+    void ProcessCBBind(Regs::ShaderStage stage);
+
+    /// Handles a write to the VERTEX_END_GL register, triggering a draw.
+    void DrawArrays();
+
+    /// Method call handlers
+    void BindTextureInfoBuffer(const std::vector<u32>& parameters);
+    void SetShader(const std::vector<u32>& parameters);
+    void BindStorageBuffer(const std::vector<u32>& parameters);
+
+    struct MethodInfo {
+        const char* name;
+        u32 arguments;
+        void (Maxwell3D::*handler)(const std::vector<u32>& parameters);
+    };
+
+    static const std::unordered_map<u32, MethodInfo> method_handlers;
 };
 
 #define ASSERT_REG_POSITION(field_name, position)                                                  \
     static_assert(offsetof(Maxwell3D::Regs, field_name) == position * 4,                           \
                   "Field " #field_name " has invalid position")
 
+ASSERT_REG_POSITION(rt, 0x200);
+ASSERT_REG_POSITION(zeta, 0x3F8);
+ASSERT_REG_POSITION(rt_control, 0x487);
+ASSERT_REG_POSITION(tsc, 0x557);
+ASSERT_REG_POSITION(tic, 0x55D);
+ASSERT_REG_POSITION(code_address, 0x582);
+ASSERT_REG_POSITION(draw, 0x585);
 ASSERT_REG_POSITION(query, 0x6C0);
+ASSERT_REG_POSITION(vertex_array[0], 0x700);
+ASSERT_REG_POSITION(vertex_array_limit[0], 0x7C0);
+ASSERT_REG_POSITION(shader_config[0], 0x800);
+ASSERT_REG_POSITION(const_buffer, 0x8E0);
+ASSERT_REG_POSITION(cb_bind[0], 0x904);
+ASSERT_REG_POSITION(tex_cb_index, 0x982);
+ASSERT_REG_POSITION(ssbo_info, 0xD18);
+ASSERT_REG_POSITION(tex_info_buffers.address[0], 0xD2A);
+ASSERT_REG_POSITION(tex_info_buffers.size[0], 0xD2F);
 
 #undef ASSERT_REG_POSITION
 

src/video_core/gpu.cpp

@@ -0,0 +1,21 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "video_core/engines/fermi_2d.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/maxwell_compute.h"
+#include "video_core/gpu.h"
+
+namespace Tegra {
+
+GPU::GPU() {
+    memory_manager = std::make_unique<MemoryManager>();
+    maxwell_3d = std::make_unique<Engines::Maxwell3D>(*memory_manager);
+    fermi_2d = std::make_unique<Engines::Fermi2D>();
+    maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
+}
+
+GPU::~GPU() = default;
+
+} // namespace Tegra

src/video_core/gpu.h

@@ -6,14 +6,18 @@
 
 #include <memory>
 #include <unordered_map>
+#include <vector>
 #include "common/common_types.h"
-#include "video_core/engines/fermi_2d.h"
-#include "video_core/engines/maxwell_3d.h"
-#include "video_core/engines/maxwell_compute.h"
 #include "video_core/memory_manager.h"
 
 namespace Tegra {
 
+namespace Engines {
+class Fermi2D;
+class Maxwell3D;
+class MaxwellCompute;
+} // namespace Engines
+
 enum class EngineID {
     FERMI_TWOD_A = 0x902D, // 2D Engine
     MAXWELL_B = 0xB197,    // 3D Engine
@@ -24,13 +28,8 @@ enum class EngineID {
 
 class GPU final {
 public:
-    GPU() {
-        memory_manager = std::make_unique<MemoryManager>();
-        maxwell_3d = std::make_unique<Engines::Maxwell3D>(*memory_manager);
-        fermi_2d = std::make_unique<Engines::Fermi2D>();
-        maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
-    }
-    ~GPU() = default;
+    GPU();
+    ~GPU();
 
     /// Processes a command list stored at the specified address in GPU memory.
     void ProcessCommandList(GPUVAddr address, u32 size);
@@ -38,8 +37,10 @@ public:
     std::unique_ptr<MemoryManager> memory_manager;
 
 private:
+    static constexpr u32 InvalidGraphMacroEntry = 0xFFFFFFFF;
+
     /// Writes a single register in the engine bound to the specified subchannel
-    void WriteReg(u32 method, u32 subchannel, u32 value);
+    void WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params);
 
     /// Mapping of command subchannels to their bound engine ids.
     std::unordered_map<u32, EngineID> bound_engines;
@@ -50,6 +51,11 @@ private:
     std::unique_ptr<Engines::Fermi2D> fermi_2d;
     /// Compute engine
     std::unique_ptr<Engines::MaxwellCompute> maxwell_compute;
+
+    /// Entry of the macro that is currently being uploaded
+    u32 current_macro_entry = InvalidGraphMacroEntry;
+    /// Code being uploaded for the current macro
+    std::vector<u32> current_macro_code;
 };
 
 } // namespace Tegra

src/yuzu/configuration/config.cpp

@@ -78,7 +78,7 @@ void Config::ReadValues() {
 
     qt_config->beginGroup("Core");
     Settings::values.cpu_core =
-        static_cast<Settings::CpuCore>(qt_config->value("cpu_core", 0).toInt());
+        static_cast<Settings::CpuCore>(qt_config->value("cpu_core", 1).toInt());
     qt_config->endGroup();
 
     qt_config->beginGroup("Renderer");

src/yuzu/debugger/wait_tree.cpp

@@ -150,8 +150,8 @@ QString WaitTreeThread::GetText() const {
     case THREADSTATUS_READY:
         status = tr("ready");
         break;
-    case THREADSTATUS_WAIT_ARB:
-        status = tr("waiting for address 0x%1").arg(thread.wait_address, 8, 16, QLatin1Char('0'));
+    case THREADSTATUS_WAIT_HLE_EVENT:
+        status = tr("waiting for HLE return");
         break;
     case THREADSTATUS_WAIT_SLEEP:
         status = tr("sleeping");
@@ -180,7 +180,7 @@ QColor WaitTreeThread::GetColor() const {
         return QColor(Qt::GlobalColor::darkGreen);
     case THREADSTATUS_READY:
         return QColor(Qt::GlobalColor::darkBlue);
-    case THREADSTATUS_WAIT_ARB:
+    case THREADSTATUS_WAIT_HLE_EVENT:
         return QColor(Qt::GlobalColor::darkRed);
     case THREADSTATUS_WAIT_SLEEP:
         return QColor(Qt::GlobalColor::darkYellow);

src/yuzu/main.cpp

@@ -187,7 +187,8 @@ void GMainWindow::InitializeHotkeys() {
     RegisterHotkey("Main Window", "Load File", QKeySequence::Open);
     RegisterHotkey("Main Window", "Start Emulation");
     RegisterHotkey("Main Window", "Fullscreen", QKeySequence::FullScreen);
-    RegisterHotkey("Main Window", "Exit Fullscreen", QKeySequence::Cancel, Qt::ApplicationShortcut);
+    RegisterHotkey("Main Window", "Exit Fullscreen", QKeySequence(Qt::Key_Escape),
+                   Qt::ApplicationShortcut);
     LoadHotkeys();
 
     connect(GetHotkey("Main Window", "Load File", this), &QShortcut::activated, this,