Two params per line for travis

.travis.yml

@@ -3,11 +3,16 @@ matrix:
   include:
     - os: linux
       env: NAME="clang-format"
-      sudo: required
       dist: trusty
-      services: docker
-      install: "./.travis/clang-format/deps.sh"
-      script: "./.travis/clang-format/build.sh"
+      addons:
+        apt:
+          sources:
+            - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main'
+              key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
+            - sourceline: 'deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu trusty main'
+          packages:
+            - clang-format-6.0
+      script: "./.travis/clang-format/script.sh"
     - os: linux
       env: NAME="linux build"
       sudo: required

.travis/clang-format/build.sh

@@ -1,3 +0,0 @@
-#!/bin/bash -ex
-
-docker run -v $(pwd):/yuzu ubuntu:18.04 /bin/bash -ex /yuzu/.travis/clang-format/docker.sh

.travis/clang-format/deps.sh

@@ -1,3 +0,0 @@
-#!/bin/sh -ex
-
-docker pull ubuntu:18.04

.travis/clang-format/docker.sh

@@ -1,8 +0,0 @@
-#!/bin/bash -ex
-
-apt-get update
-apt-get install -y clang-format-6.0
-
-# Run clang-format
-cd /yuzu
-./.travis/clang-format/script.sh

src/common/logging/backend.cpp

@@ -35,14 +35,11 @@ namespace Log {
     SUB(Service, ACC)                                                                              \
     SUB(Service, Audio)                                                                            \
     SUB(Service, AM)                                                                               \
-    SUB(Service, AOC)                                                                              \
     SUB(Service, APM)                                                                              \
-    SUB(Service, Friend)                                                                           \
     SUB(Service, FS)                                                                               \
     SUB(Service, HID)                                                                              \
     SUB(Service, LM)                                                                               \
     SUB(Service, NIFM)                                                                             \
-    SUB(Service, NS)                                                                               \
     SUB(Service, NVDRV)                                                                            \
     SUB(Service, PCTL)                                                                             \
     SUB(Service, SET)                                                                              \

src/common/logging/log.h

@@ -51,15 +51,12 @@ enum class Class : ClassType {
                        ///  should have its own subclass.
     Service_ACC,       ///< The ACC (Accounts) service
     Service_AM,        ///< The AM (Applet manager) service
-    Service_AOC,       ///< The AOC (AddOn Content) service
     Service_APM,       ///< The APM (Performance) service
     Service_Audio,     ///< The Audio (Audio control) service
-    Service_Friend,    ///< The friend service
     Service_FS,        ///< The FS (Filesystem) service
     Service_HID,       ///< The HID (Human interface device) service
     Service_LM,        ///< The LM (Logger) service
     Service_NIFM,      ///< The NIFM (Network interface) service
-    Service_NS,        ///< The NS services
     Service_NVDRV,     ///< The NVDRV (Nvidia driver) service
     Service_PCTL,      ///< The PCTL (Parental control) service
     Service_SET,       ///< The SET (Settings) service

src/core/CMakeLists.txt

@@ -12,8 +12,6 @@ add_library(core STATIC
     file_sys/filesystem.h
     file_sys/path_parser.cpp
     file_sys/path_parser.h
-    file_sys/program_metadata.cpp
-    file_sys/program_metadata.h
     file_sys/romfs_factory.cpp
     file_sys/romfs_factory.h
     file_sys/romfs_filesystem.cpp
@@ -30,6 +28,8 @@ add_library(core STATIC
     hle/config_mem.h
     hle/ipc.h
     hle/ipc_helpers.h
+    hle/kernel/address_arbiter.cpp
+    hle/kernel/address_arbiter.h
     hle/kernel/client_port.cpp
     hle/kernel/client_port.h
     hle/kernel/client_session.cpp
@@ -55,8 +55,6 @@ add_library(core STATIC
     hle/kernel/process.h
     hle/kernel/resource_limit.cpp
     hle/kernel/resource_limit.h
-    hle/kernel/scheduler.cpp
-    hle/kernel/scheduler.h
     hle/kernel/server_port.cpp
     hle/kernel/server_port.h
     hle/kernel/server_session.cpp
@@ -114,10 +112,6 @@ add_library(core STATIC
     hle/service/filesystem/filesystem.h
     hle/service/filesystem/fsp_srv.cpp
     hle/service/filesystem/fsp_srv.h
-    hle/service/friend/friend.cpp
-    hle/service/friend/friend.h
-    hle/service/friend/friend_a.cpp
-    hle/service/friend/friend_a.h
     hle/service/hid/hid.cpp
     hle/service/hid/hid.h
     hle/service/lm/lm.cpp
@@ -130,10 +124,6 @@ add_library(core STATIC
     hle/service/nifm/nifm_s.h
     hle/service/nifm/nifm_u.cpp
     hle/service/nifm/nifm_u.h
-    hle/service/ns/ns.cpp
-    hle/service/ns/ns.h
-    hle/service/ns/pl_u.cpp
-    hle/service/ns/pl_u.h
     hle/service/nvdrv/devices/nvdevice.h
     hle/service/nvdrv/devices/nvdisp_disp0.cpp
     hle/service/nvdrv/devices/nvdisp_disp0.h

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -6,7 +6,6 @@
 #include <memory>
 #include <dynarmic/A64/a64.h>
 #include <dynarmic/A64/config.h>
-#include "common/logging/log.h"
 #include "core/arm/dynarmic/arm_dynarmic.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/memory.h"
@@ -54,9 +53,6 @@ public:
     }
 
     void InterpreterFallback(u64 pc, size_t num_instructions) override {
-        LOG_INFO(Core_ARM, "Unicorn fallback @ 0x%" PRIx64 " for %zu instructions (instr = %08x)",
-                 pc, num_instructions, MemoryReadCode(pc));
-
         ARM_Interface::ThreadContext ctx;
         parent.SaveContext(ctx);
         parent.inner_unicorn.LoadContext(ctx);
@@ -67,17 +63,8 @@ public:
     }
 
     void ExceptionRaised(u64 pc, Dynarmic::A64::Exception exception) override {
-        switch (exception) {
-        case Dynarmic::A64::Exception::WaitForInterrupt:
-        case Dynarmic::A64::Exception::WaitForEvent:
-        case Dynarmic::A64::Exception::SendEvent:
-        case Dynarmic::A64::Exception::SendEventLocal:
-        case Dynarmic::A64::Exception::Yield:
-            return;
-        default:
-            ASSERT_MSG(false, "ExceptionRaised(exception = %zu, pc = %" PRIx64 ")",
-                       static_cast<size_t>(exception), pc);
-        }
+        ASSERT_MSG(false, "ExceptionRaised(exception = %zu, pc = %" PRIx64 ")",
+                   static_cast<size_t>(exception), pc);
     }
 
     void CallSVC(u32 swi) override {
@@ -94,30 +81,15 @@ public:
     u64 GetTicksRemaining() override {
         return ticks_remaining;
     }
-    u64 GetCNTPCT() override {
-        return CoreTiming::GetTicks();
-    }
 
     ARM_Dynarmic& parent;
     size_t ticks_remaining = 0;
     size_t num_interpreted_instructions = 0;
-    u64 tpidrro_el0 = 0;
-    u64 tpidr_el0 = 0;
+    u64 tpidrr0_el0 = 0;
 };
 
 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();
-
-    Dynarmic::A64::UserConfig config;
-    config.callbacks = cb.get();
-    config.tpidrro_el0 = &cb->tpidrro_el0;
-    config.tpidr_el0 = &cb->tpidr_el0;
-    config.dczid_el0 = 4;
-    config.ctr_el0 = 0x8444c004;
-    config.page_table = reinterpret_cast<void**>(page_table);
-    config.page_table_address_space_bits = Memory::ADDRESS_SPACE_BITS;
-    config.silently_mirror_page_table = false;
-
+    Dynarmic::A64::UserConfig config{cb.get()};
     return std::make_unique<Dynarmic::A64::Jit>(config);
 }
 
@@ -177,11 +149,11 @@ void ARM_Dynarmic::SetCPSR(u32 cpsr) {
 }
 
 u64 ARM_Dynarmic::GetTlsAddress() const {
-    return cb->tpidrro_el0;
+    return cb->tpidrr0_el0;
 }
 
 void ARM_Dynarmic::SetTlsAddress(u64 address) {
-    cb->tpidrro_el0 = address;
+    cb->tpidrr0_el0 = address;
 }
 
 void ARM_Dynarmic::ExecuteInstructions(int num_instructions) {
@@ -198,7 +170,7 @@ void ARM_Dynarmic::SaveContext(ARM_Interface::ThreadContext& ctx) {
     ctx.cpsr = jit->GetPstate();
     ctx.fpu_registers = jit->GetVectors();
     ctx.fpscr = jit->GetFpcr();
-    ctx.tls_address = cb->tpidrro_el0;
+    ctx.tls_address = cb->tpidrr0_el0;
 }
 
 void ARM_Dynarmic::LoadContext(const ARM_Interface::ThreadContext& ctx) {
@@ -208,7 +180,7 @@ void ARM_Dynarmic::LoadContext(const ARM_Interface::ThreadContext& ctx) {
     jit->SetPstate(static_cast<u32>(ctx.cpsr));
     jit->SetVectors(ctx.fpu_registers);
     jit->SetFpcr(static_cast<u32>(ctx.fpscr));
-    cb->tpidrro_el0 = ctx.tls_address;
+    cb->tpidrr0_el0 = ctx.tls_address;
 }
 
 void ARM_Dynarmic::PrepareReschedule() {

src/core/arm/unicorn/arm_unicorn.cpp

@@ -52,8 +52,7 @@ 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,
-               ctx.pc, ctx.cpu_registers[30]);
+    ASSERT_MSG(false, "Attempted to read from unmapped memory: 0x%llx", addr);
     return {};
 }
 

src/core/core.cpp

@@ -133,24 +133,22 @@ void System::Reschedule() {
     }
 
     reschedule_pending = false;
-    Core::System::GetInstance().Scheduler().Reschedule();
+    Kernel::Reschedule();
 }
 
 System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
     LOG_DEBUG(HW_Memory, "initialized OK");
 
-    CoreTiming::Init();
-
     switch (Settings::values.cpu_core) {
     case Settings::CpuCore::Unicorn:
-        cpu_core = std::make_shared<ARM_Unicorn>();
+        cpu_core = std::make_unique<ARM_Unicorn>();
         break;
     case Settings::CpuCore::Dynarmic:
     default:
 #ifdef ARCHITECTURE_x86_64
-        cpu_core = std::make_shared<ARM_Dynarmic>();
+        cpu_core = std::make_unique<ARM_Dynarmic>();
 #else
-        cpu_core = std::make_shared<ARM_Unicorn>();
+        cpu_core = std::make_unique<ARM_Unicorn>();
         LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
 #endif
         break;
@@ -160,9 +158,9 @@ System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
 
     telemetry_session = std::make_unique<Core::TelemetrySession>();
 
+    CoreTiming::Init();
     HW::Init();
     Kernel::Init(system_mode);
-    scheduler = std::make_unique<Kernel::Scheduler>(cpu_core.get());
     Service::Init();
     GDBStub::Init();
 
@@ -190,18 +188,15 @@ void System::Shutdown() {
                          perf_results.frametime * 1000.0);
 
     // Shutdown emulation session
-    VideoCore::Shutdown();
     GDBStub::Shutdown();
+    VideoCore::Shutdown();
     Service::Shutdown();
-    scheduler = nullptr;
     Kernel::Shutdown();
     HW::Shutdown();
-    telemetry_session = nullptr;
-    gpu_core = nullptr;
-    cpu_core = nullptr;
     CoreTiming::Shutdown();
-
+    cpu_core = nullptr;
     app_loader = nullptr;
+    telemetry_session = nullptr;
 
     LOG_DEBUG(Core, "Shutdown OK");
 }

src/core/core.h

@@ -7,7 +7,6 @@
 #include <memory>
 #include <string>
 #include "common/common_types.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/loader/loader.h"
 #include "core/memory.h"
 #include "core/perf_stats.h"
@@ -108,10 +107,6 @@ public:
         return *gpu_core;
     }
 
-    Kernel::Scheduler& Scheduler() {
-        return *scheduler;
-    }
-
     PerfStats perf_stats;
     FrameLimiter frame_limiter;
 
@@ -145,8 +140,9 @@ private:
     /// AppLoader used to load the current executing application
     std::unique_ptr<Loader::AppLoader> app_loader;
 
-    std::shared_ptr<ARM_Interface> cpu_core;
-    std::unique_ptr<Kernel::Scheduler> scheduler;
+    ///< ARM11 CPU core
+    std::unique_ptr<ARM_Interface> cpu_core;
+
     std::unique_ptr<Tegra::GPU> gpu_core;
 
     /// When true, signals that a reschedule should happen

src/core/file_sys/program_metadata.cpp

@@ -1,114 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cinttypes>
-#include "common/file_util.h"
-#include "common/logging/log.h"
-#include "core/file_sys/program_metadata.h"
-#include "core/loader/loader.h"
-
-namespace FileSys {
-
-Loader::ResultStatus ProgramMetadata::Load(const std::string& file_path) {
-    FileUtil::IOFile file(file_path, "rb");
-    if (!file.IsOpen())
-        return Loader::ResultStatus::Error;
-
-    std::vector<u8> file_data(file.GetSize());
-
-    if (!file.ReadBytes(file_data.data(), file_data.size()))
-        return Loader::ResultStatus::Error;
-
-    Loader::ResultStatus result = Load(file_data);
-    if (result != Loader::ResultStatus::Success)
-        LOG_ERROR(Service_FS, "Failed to load NPDM from file %s!", file_path.c_str());
-
-    return result;
-}
-
-Loader::ResultStatus ProgramMetadata::Load(const std::vector<u8> file_data, size_t offset) {
-    size_t total_size = static_cast<size_t>(file_data.size() - offset);
-    if (total_size < sizeof(Header))
-        return Loader::ResultStatus::Error;
-
-    size_t header_offset = offset;
-    memcpy(&npdm_header, &file_data[offset], sizeof(Header));
-
-    size_t aci_offset = header_offset + npdm_header.aci_offset;
-    size_t acid_offset = header_offset + npdm_header.acid_offset;
-    memcpy(&aci_header, &file_data[aci_offset], sizeof(AciHeader));
-    memcpy(&acid_header, &file_data[acid_offset], sizeof(AcidHeader));
-
-    size_t fac_offset = acid_offset + acid_header.fac_offset;
-    size_t fah_offset = aci_offset + aci_header.fah_offset;
-    memcpy(&acid_file_access, &file_data[fac_offset], sizeof(FileAccessControl));
-    memcpy(&aci_file_access, &file_data[fah_offset], sizeof(FileAccessHeader));
-
-    return Loader::ResultStatus::Success;
-}
-
-bool ProgramMetadata::Is64BitProgram() const {
-    return npdm_header.has_64_bit_instructions;
-}
-
-ProgramAddressSpaceType ProgramMetadata::GetAddressSpaceType() const {
-    return npdm_header.address_space_type;
-}
-
-u8 ProgramMetadata::GetMainThreadPriority() const {
-    return npdm_header.main_thread_priority;
-}
-
-u8 ProgramMetadata::GetMainThreadCore() const {
-    return npdm_header.main_thread_cpu;
-}
-
-u32 ProgramMetadata::GetMainThreadStackSize() const {
-    return npdm_header.main_stack_size;
-}
-
-u64 ProgramMetadata::GetTitleID() const {
-    return aci_header.title_id;
-}
-
-u64 ProgramMetadata::GetFilesystemPermissions() const {
-    return aci_file_access.permissions;
-}
-
-void ProgramMetadata::Print() const {
-    LOG_DEBUG(Service_FS, "Magic:                  %.4s", npdm_header.magic.data());
-    LOG_DEBUG(Service_FS, "Main thread priority:   0x%02x", npdm_header.main_thread_priority);
-    LOG_DEBUG(Service_FS, "Main thread core:       %u", npdm_header.main_thread_cpu);
-    LOG_DEBUG(Service_FS, "Main thread stack size: 0x%x bytes", npdm_header.main_stack_size);
-    LOG_DEBUG(Service_FS, "Process category:       %u", npdm_header.process_category);
-    LOG_DEBUG(Service_FS, "Flags:                  %02x", npdm_header.flags);
-    LOG_DEBUG(Service_FS, " > 64-bit instructions: %s",
-              npdm_header.has_64_bit_instructions ? "YES" : "NO");
-
-    auto address_space = "Unknown";
-    switch (npdm_header.address_space_type) {
-    case ProgramAddressSpaceType::Is64Bit:
-        address_space = "64-bit";
-        break;
-    case ProgramAddressSpaceType::Is32Bit:
-        address_space = "32-bit";
-        break;
-    }
-
-    LOG_DEBUG(Service_FS, " > Address space:       %s\n", address_space);
-
-    // Begin ACID printing (potential perms, signed)
-    LOG_DEBUG(Service_FS, "Magic:                  %.4s", acid_header.magic.data());
-    LOG_DEBUG(Service_FS, "Flags:                  %02x", acid_header.flags);
-    LOG_DEBUG(Service_FS, " > Is Retail:           %s", acid_header.is_retail ? "YES" : "NO");
-    LOG_DEBUG(Service_FS, "Title ID Min:           %016" PRIX64, acid_header.title_id_min);
-    LOG_DEBUG(Service_FS, "Title ID Max:           %016" PRIX64, acid_header.title_id_max);
-    LOG_DEBUG(Service_FS, "Filesystem Access:      %016" PRIX64 "\n", acid_file_access.permissions);
-
-    // Begin ACI0 printing (actual perms, unsigned)
-    LOG_DEBUG(Service_FS, "Magic:                  %.4s", aci_header.magic.data());
-    LOG_DEBUG(Service_FS, "Title ID:               %016" PRIX64, aci_header.title_id);
-    LOG_DEBUG(Service_FS, "Filesystem Access:      %016" PRIX64 "\n", aci_file_access.permissions);
-}
-} // namespace FileSys

src/core/file_sys/program_metadata.h

@@ -1,154 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <string>
-#include <vector>
-#include "common/bit_field.h"
-#include "common/common_types.h"
-#include "common/swap.h"
-
-namespace Loader {
-enum class ResultStatus;
-}
-
-namespace FileSys {
-
-enum class ProgramAddressSpaceType : u8 {
-    Is64Bit = 1,
-    Is32Bit = 2,
-};
-
-enum class ProgramFilePermission : u64 {
-    MountContent = 1ULL << 0,
-    SaveDataBackup = 1ULL << 5,
-    SdCard = 1ULL << 21,
-    Calibration = 1ULL << 34,
-    Bit62 = 1ULL << 62,
-    Everything = 1ULL << 63,
-};
-
-/**
- * Helper which implements an interface to parse Program Description Metadata (NPDM)
- * Data can either be loaded from a file path or with data and an offset into it.
- */
-class ProgramMetadata {
-public:
-    Loader::ResultStatus Load(const std::string& file_path);
-    Loader::ResultStatus Load(const std::vector<u8> file_data, size_t offset = 0);
-
-    bool Is64BitProgram() const;
-    ProgramAddressSpaceType GetAddressSpaceType() const;
-    u8 GetMainThreadPriority() const;
-    u8 GetMainThreadCore() const;
-    u32 GetMainThreadStackSize() const;
-    u64 GetTitleID() const;
-    u64 GetFilesystemPermissions() const;
-
-    void Print() const;
-
-private:
-    struct Header {
-        std::array<char, 4> magic;
-        std::array<u8, 8> reserved;
-        union {
-            u8 flags;
-
-            BitField<0, 1, u8> has_64_bit_instructions;
-            BitField<1, 3, ProgramAddressSpaceType> address_space_type;
-            BitField<4, 4, u8> reserved_2;
-        };
-        u8 reserved_3;
-        u8 main_thread_priority;
-        u8 main_thread_cpu;
-        std::array<u8, 8> reserved_4;
-        u32_le process_category;
-        u32_le main_stack_size;
-        std::array<u8, 0x10> application_name;
-        std::array<u8, 0x40> reserved_5;
-        u32_le aci_offset;
-        u32_le aci_size;
-        u32_le acid_offset;
-        u32_le acid_size;
-    };
-
-    static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
-
-    struct AcidHeader {
-        std::array<u8, 0x100> signature;
-        std::array<u8, 0x100> nca_modulus;
-        std::array<char, 4> magic;
-        u32_le nca_size;
-        std::array<u8, 0x4> reserved;
-        union {
-            u32 flags;
-
-            BitField<0, 1, u32> is_retail;
-            BitField<1, 31, u32> flags_unk;
-        };
-        u64_le title_id_min;
-        u64_le title_id_max;
-        u32_le fac_offset;
-        u32_le fac_size;
-        u32_le sac_offset;
-        u32_le sac_size;
-        u32_le kac_offset;
-        u32_le kac_size;
-        INSERT_PADDING_BYTES(0x8);
-    };
-
-    static_assert(sizeof(AcidHeader) == 0x240, "ACID header structure size is wrong");
-
-    struct AciHeader {
-        std::array<char, 4> magic;
-        std::array<u8, 0xC> reserved;
-        u64_le title_id;
-        INSERT_PADDING_BYTES(0x8);
-        u32_le fah_offset;
-        u32_le fah_size;
-        u32_le sac_offset;
-        u32_le sac_size;
-        u32_le kac_offset;
-        u32_le kac_size;
-        INSERT_PADDING_BYTES(0x8);
-    };
-
-    static_assert(sizeof(AciHeader) == 0x40, "ACI0 header structure size is wrong");
-
-#pragma pack(push, 1)
-
-    struct FileAccessControl {
-        u8 version;
-        INSERT_PADDING_BYTES(3);
-        u64_le permissions;
-        std::array<u8, 0x20> unknown;
-    };
-
-    static_assert(sizeof(FileAccessControl) == 0x2C, "FS access control structure size is wrong");
-
-    struct FileAccessHeader {
-        u8 version;
-        INSERT_PADDING_BYTES(3);
-        u64_le permissions;
-        u32_le unk_offset;
-        u32_le unk_size;
-        u32_le unk_offset_2;
-        u32_le unk_size_2;
-    };
-
-    static_assert(sizeof(FileAccessHeader) == 0x1C, "FS access header structure size is wrong");
-
-#pragma pack(pop)
-
-    Header npdm_header;
-    AciHeader aci_header;
-    AcidHeader acid_header;
-
-    FileAccessControl acid_file_access;
-    FileAccessHeader aci_file_access;
-};
-
-} // namespace FileSys

src/core/gdbstub/gdbstub.cpp

@@ -6,7 +6,6 @@
 
 #include <algorithm>
 #include <atomic>
-#include <cinttypes>
 #include <climits>
 #include <csignal>
 #include <cstdarg>
@@ -361,9 +360,8 @@ static void RemoveBreakpoint(BreakpointType type, PAddr addr) {
 
     auto bp = p.find(static_cast<u64>(addr));
     if (bp != p.end()) {
-        LOG_DEBUG(Debug_GDBStub,
-                  "gdb: removed a breakpoint: %016" PRIx64 " bytes at %016" PRIx64 " of type %d\n",
-                  bp->second.len, bp->second.addr, static_cast<int>(type));
+        LOG_DEBUG(Debug_GDBStub, "gdb: removed a breakpoint: %08x bytes at %08x of type %d\n",
+                  bp->second.len, bp->second.addr, type);
         p.erase(static_cast<u64>(addr));
     }
 }
@@ -409,9 +407,8 @@ bool CheckBreakpoint(PAddr addr, BreakpointType type) {
 
         if (bp->second.active && (addr >= bp->second.addr && addr < bp->second.addr + len)) {
             LOG_DEBUG(Debug_GDBStub,
-                      "Found breakpoint type %d @ %016" PRIx64 ", range: %016" PRIx64
-                      " - %016" PRIx64 " (%" PRIx64 " bytes)\n",
-                      static_cast<int>(type), addr, bp->second.addr, bp->second.addr + len, len);
+                      "Found breakpoint type %d @ %08x, range: %08x - %08x (%d bytes)\n", type,
+                      addr, bp->second.addr, bp->second.addr + len, len);
             return true;
         }
     }
@@ -781,8 +778,8 @@ static bool CommitBreakpoint(BreakpointType type, PAddr addr, u64 len) {
     breakpoint.len = len;
     p.insert({addr, breakpoint});
 
-    LOG_DEBUG(Debug_GDBStub, "gdb: added %d breakpoint: %016" PRIx64 " bytes at %016" PRIx64 "\n",
-              static_cast<int>(type), breakpoint.len, breakpoint.addr);
+    LOG_DEBUG(Debug_GDBStub, "gdb: added %d breakpoint: %08x bytes at %08x\n", type, breakpoint.len,
+              breakpoint.addr);
 
     return true;
 }

src/core/hle/ipc.h

@@ -14,6 +14,8 @@ namespace IPC {
 /// Size of the command buffer area, in 32-bit words.
 constexpr size_t COMMAND_BUFFER_LENGTH = 0x100 / sizeof(u32);
 
+/// Maximum number of static buffers per thread
+constexpr size_t MAX_STATIC_BUFFERS = 16;
 // These errors are commonly returned by invalid IPC translations, so alias them here for
 // convenience.
 // TODO(yuriks): These will probably go away once translation is implemented inside the kernel.
@@ -91,10 +93,6 @@ struct BufferDescriptorX {
         address |= static_cast<VAddr>(address_bits_36_38) << 36;
         return address;
     }
-
-    u64 Size() const {
-        return static_cast<u64>(size);
-    }
 };
 static_assert(sizeof(BufferDescriptorX) == 8, "BufferDescriptorX size is incorrect");
 

src/core/hle/ipc_helpers.h

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

src/core/hle/kernel/address_arbiter.cpp

@@ -0,0 +1,91 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "core/hle/kernel/address_arbiter.h"
+#include "core/hle/kernel/errors.h"
+#include "core/hle/kernel/thread.h"
+#include "core/memory.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Kernel namespace
+
+namespace Kernel {
+
+AddressArbiter::AddressArbiter() {}
+AddressArbiter::~AddressArbiter() {}
+
+SharedPtr<AddressArbiter> AddressArbiter::Create(std::string name) {
+    SharedPtr<AddressArbiter> address_arbiter(new AddressArbiter);
+
+    address_arbiter->name = std::move(name);
+
+    return address_arbiter;
+}
+
+ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address, s32 value,
+                                            u64 nanoseconds) {
+    switch (type) {
+
+    // Signal thread(s) waiting for arbitrate address...
+    case ArbitrationType::Signal:
+        // Negative value means resume all threads
+        if (value < 0) {
+            ArbitrateAllThreads(address);
+        } else {
+            // Resume first N threads
+            for (int i = 0; i < value; i++)
+                ArbitrateHighestPriorityThread(address);
+        }
+        break;
+
+    // Wait current thread (acquire the arbiter)...
+    case ArbitrationType::WaitIfLessThan:
+        if ((s32)Memory::Read32(address) < value) {
+            Kernel::WaitCurrentThread_ArbitrateAddress(address);
+        }
+        break;
+    case ArbitrationType::WaitIfLessThanWithTimeout:
+        if ((s32)Memory::Read32(address) < value) {
+            Kernel::WaitCurrentThread_ArbitrateAddress(address);
+            GetCurrentThread()->WakeAfterDelay(nanoseconds);
+        }
+        break;
+    case ArbitrationType::DecrementAndWaitIfLessThan: {
+        s32 memory_value = Memory::Read32(address);
+        if (memory_value < value) {
+            // Only change the memory value if the thread should wait
+            Memory::Write32(address, (s32)memory_value - 1);
+            Kernel::WaitCurrentThread_ArbitrateAddress(address);
+        }
+        break;
+    }
+    case ArbitrationType::DecrementAndWaitIfLessThanWithTimeout: {
+        s32 memory_value = Memory::Read32(address);
+        if (memory_value < value) {
+            // Only change the memory value if the thread should wait
+            Memory::Write32(address, (s32)memory_value - 1);
+            Kernel::WaitCurrentThread_ArbitrateAddress(address);
+            GetCurrentThread()->WakeAfterDelay(nanoseconds);
+        }
+        break;
+    }
+
+    default:
+        LOG_ERROR(Kernel, "unknown type=%d", type);
+        return ERR_INVALID_ENUM_VALUE_FND;
+    }
+
+    // The calls that use a timeout seem to always return a Timeout error even if they did not put
+    // the thread to sleep
+    if (type == ArbitrationType::WaitIfLessThanWithTimeout ||
+        type == ArbitrationType::DecrementAndWaitIfLessThanWithTimeout) {
+
+        return RESULT_TIMEOUT;
+    }
+    return RESULT_SUCCESS;
+}
+
+} // namespace Kernel

src/core/hle/kernel/address_arbiter.h

@@ -0,0 +1,60 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/result.h"
+
+// Address arbiters are an underlying kernel synchronization object that can be created/used via
+// supervisor calls (SVCs). They function as sort of a global lock. Typically, games/other CTR
+// applications use them as an underlying mechanism to implement thread-safe barriers, events, and
+// semphores.
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Kernel namespace
+
+namespace Kernel {
+
+enum class ArbitrationType : u32 {
+    Signal,
+    WaitIfLessThan,
+    DecrementAndWaitIfLessThan,
+    WaitIfLessThanWithTimeout,
+    DecrementAndWaitIfLessThanWithTimeout,
+};
+
+class AddressArbiter final : public Object {
+public:
+    /**
+     * Creates an address arbiter.
+     *
+     * @param name Optional name used for debugging.
+     * @returns The created AddressArbiter.
+     */
+    static SharedPtr<AddressArbiter> Create(std::string name = "Unknown");
+
+    std::string GetTypeName() const override {
+        return "Arbiter";
+    }
+    std::string GetName() const override {
+        return name;
+    }
+
+    static const HandleType HANDLE_TYPE = HandleType::AddressArbiter;
+    HandleType GetHandleType() const override {
+        return HANDLE_TYPE;
+    }
+
+    std::string name; ///< Name of address arbiter object (optional)
+
+    ResultCode ArbitrateAddress(ArbitrationType type, VAddr address, s32 value, u64 nanoseconds);
+
+private:
+    AddressArbiter();
+    ~AddressArbiter() override;
+};
+
+} // namespace Kernel

src/core/hle/kernel/hle_ipc.cpp

@@ -7,12 +7,12 @@
 #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"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/server_session.h"
-#include "core/memory.h"
 
 namespace Kernel {
 
@@ -26,13 +26,47 @@ void SessionRequestHandler::ClientDisconnected(SharedPtr<ServerSession> server_s
     boost::range::remove_erase(connected_sessions, server_session);
 }
 
-HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)
+HLERequestContext::HLERequestContext(SharedPtr<ServerSession> server_session)
     : server_session(std::move(server_session)) {
     cmd_buf[0] = 0;
 }
 
 HLERequestContext::~HLERequestContext() = default;
 
+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);
+
+        auto& process = thread->owner_process;
+        // We must copy the entire command buffer *plus* the entire static buffers area, since
+        // the translation might need to read from it in order to retrieve the StaticBuffer
+        // target addresses.
+        std::array<u32, IPC::COMMAND_BUFFER_LENGTH + 2 * IPC::MAX_STATIC_BUFFERS> cmd_buff;
+        Memory::ReadBlock(*process, thread->GetCommandBufferAddress(), cmd_buff.data(),
+                          cmd_buff.size() * sizeof(u32));
+        context->WriteToOutgoingCommandBuffer(cmd_buff.data(), *process, Kernel::g_handle_table);
+        // Copy the translated command buffer back into the thread's command buffer area.
+        Memory::WriteBlock(*process, thread->GetCommandBufferAddress(), cmd_buff.data(),
+                           cmd_buff.size() * sizeof(u32));
+    };
+
+    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;
+}
+
 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>());
@@ -85,14 +119,9 @@ 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, if only incoming has it
-        if (incoming || domain_message_header) {
-            domain_message_header =
-                std::make_unique<IPC::DomainMessageHeader>(rp.PopRaw<IPC::DomainMessageHeader>());
-        } else {
-            if (Session()->IsDomain())
-                LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!");
-        }
+        // All outgoing domain messages have the domain header
+        domain_message_header =
+            std::make_unique<IPC::DomainMessageHeader>(rp.PopRaw<IPC::DomainMessageHeader>());
     }
 
     data_payload_header =
@@ -201,7 +230,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
 
     // TODO(Subv): Translate the X/A/B/W buffers.
 
-    if (Session()->IsDomain() && domain_message_header) {
+    if (Session()->IsDomain()) {
         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.
@@ -216,98 +245,4 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
     return RESULT_SUCCESS;
 }
 
-std::vector<u8> HLERequestContext::ReadBuffer() const {
-    std::vector<u8> buffer;
-    const bool is_buffer_a{BufferDescriptorA().size() && BufferDescriptorA()[0].Size()};
-
-    if (is_buffer_a) {
-        buffer.resize(BufferDescriptorA()[0].Size());
-        Memory::ReadBlock(BufferDescriptorA()[0].Address(), buffer.data(), buffer.size());
-    } else {
-        buffer.resize(BufferDescriptorX()[0].Size());
-        Memory::ReadBlock(BufferDescriptorX()[0].Address(), buffer.data(), buffer.size());
-    }
-
-    return buffer;
-}
-
-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);
-
-    if (is_buffer_b) {
-        Memory::WriteBlock(BufferDescriptorB()[0].Address(), buffer, size);
-    } else {
-        Memory::WriteBlock(BufferDescriptorC()[0].Address(), buffer, size);
-    }
-
-    return size;
-}
-
-size_t HLERequestContext::WriteBuffer(const std::vector<u8>& buffer) const {
-    return WriteBuffer(buffer.data(), buffer.size());
-}
-
-size_t HLERequestContext::GetReadBufferSize() const {
-    const bool is_buffer_a{BufferDescriptorA().size() && BufferDescriptorA()[0].Size()};
-    return is_buffer_a ? BufferDescriptorA()[0].Size() : BufferDescriptorX()[0].Size();
-}
-
-size_t HLERequestContext::GetWriteBufferSize() const {
-    const bool is_buffer_b{BufferDescriptorB().size() && BufferDescriptorB()[0].Size()};
-    return is_buffer_b ? BufferDescriptorB()[0].Size() : BufferDescriptorC()[0].Size();
-}
-
-std::string HLERequestContext::Description() const {
-    if (!command_header) {
-        return "No command header available";
-    }
-    std::ostringstream s;
-    s << "IPC::CommandHeader: Type:" << static_cast<u32>(command_header->type.Value());
-    s << ", X(Pointer):" << command_header->num_buf_x_descriptors;
-    if (command_header->num_buf_x_descriptors) {
-        s << '[';
-        for (u64 i = 0; i < command_header->num_buf_x_descriptors; ++i) {
-            s << "0x" << std::hex << BufferDescriptorX()[i].Size();
-            if (i < command_header->num_buf_x_descriptors - 1)
-                s << ", ";
-        }
-        s << ']';
-    }
-    s << ", A(Send):" << command_header->num_buf_a_descriptors;
-    if (command_header->num_buf_a_descriptors) {
-        s << '[';
-        for (u64 i = 0; i < command_header->num_buf_a_descriptors; ++i) {
-            s << "0x" << std::hex << BufferDescriptorA()[i].Size();
-            if (i < command_header->num_buf_a_descriptors - 1)
-                s << ", ";
-        }
-        s << ']';
-    }
-    s << ", B(Receive):" << command_header->num_buf_b_descriptors;
-    if (command_header->num_buf_b_descriptors) {
-        s << '[';
-        for (u64 i = 0; i < command_header->num_buf_b_descriptors; ++i) {
-            s << "0x" << std::hex << BufferDescriptorB()[i].Size();
-            if (i < command_header->num_buf_b_descriptors - 1)
-                s << ", ";
-        }
-        s << ']';
-    }
-    s << ", C(ReceiveList):" << BufferDescriptorC().size();
-    if (!BufferDescriptorC().empty()) {
-        s << '[';
-        for (u64 i = 0; i < BufferDescriptorC().size(); ++i) {
-            s << "0x" << std::hex << BufferDescriptorC()[i].Size();
-            if (i < BufferDescriptorC().size() - 1)
-                s << ", ";
-        }
-        s << ']';
-    }
-    s << ", data_size:" << command_header->data_size.Value();
-
-    return s.str();
-}
-
 } // namespace Kernel

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"
@@ -13,7 +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 +25,8 @@ class Domain;
 class HandleTable;
 class HLERequestContext;
 class Process;
+class Thread;
+class Event;
 
 /**
  * Interface implemented by HLE Session handlers.
@@ -98,10 +101,26 @@ public:
      * Returns the session through which this request was made. This can be used as a map key to
      * access per-client data on services.
      */
-    const SharedPtr<Kernel::ServerSession>& Session() const {
+    SharedPtr<Kernel::ServerSession> Session() const {
         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.
@@ -143,21 +162,6 @@ public:
         return domain_message_header;
     }
 
-    /// Helper function to read a buffer using the appropriate buffer descriptor
-    std::vector<u8> ReadBuffer() const;
-
-    /// Helper function to write a buffer using the appropriate buffer descriptor
-    size_t WriteBuffer(const void* buffer, size_t size) const;
-
-    /// Helper function to write a buffer using the appropriate buffer descriptor
-    size_t WriteBuffer(const std::vector<u8>& buffer) const;
-
-    /// Helper function to get the size of the input buffer
-    size_t GetReadBufferSize() const;
-
-    /// Helper function to get the size of the output buffer
-    size_t GetWriteBufferSize() const;
-
     template <typename T>
     SharedPtr<T> GetCopyObject(size_t index) {
         ASSERT(index < copy_objects.size());
@@ -202,8 +206,6 @@ public:
         return domain_objects.size();
     }
 
-    std::string Description() const;
-
 private:
     std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
     SharedPtr<Kernel::ServerSession> server_session;

src/core/hle/kernel/scheduler.cpp

@@ -1,134 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "core/core_timing.h"
-#include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
-
-namespace Kernel {
-
-Scheduler::Scheduler(ARM_Interface* cpu_core) : cpu_core(cpu_core) {}
-
-Scheduler::~Scheduler() {
-    for (auto& thread : thread_list) {
-        thread->Stop();
-    }
-}
-
-bool Scheduler::HaveReadyThreads() {
-    return ready_queue.get_first() != nullptr;
-}
-
-Thread* Scheduler::GetCurrentThread() const {
-    return current_thread.get();
-}
-
-Thread* Scheduler::PopNextReadyThread() {
-    Thread* next = nullptr;
-    Thread* thread = GetCurrentThread();
-
-    if (thread && thread->status == THREADSTATUS_RUNNING) {
-        // We have to do better than the current thread.
-        // This call returns null when that's not possible.
-        next = ready_queue.pop_first_better(thread->current_priority);
-        if (!next) {
-            // Otherwise just keep going with the current thread
-            next = thread;
-        }
-    } else {
-        next = ready_queue.pop_first();
-    }
-
-    return next;
-}
-
-void Scheduler::SwitchContext(Thread* new_thread) {
-    Thread* previous_thread = GetCurrentThread();
-
-    // Save context for previous thread
-    if (previous_thread) {
-        previous_thread->last_running_ticks = CoreTiming::GetTicks();
-        cpu_core->SaveContext(previous_thread->context);
-
-        if (previous_thread->status == THREADSTATUS_RUNNING) {
-            // This is only the case when a reschedule is triggered without the current thread
-            // yielding execution (i.e. an event triggered, system core time-sliced, etc)
-            ready_queue.push_front(previous_thread->current_priority, previous_thread);
-            previous_thread->status = THREADSTATUS_READY;
-        }
-    }
-
-    // Load context of new thread
-    if (new_thread) {
-        ASSERT_MSG(new_thread->status == THREADSTATUS_READY,
-                   "Thread must be ready to become running.");
-
-        // Cancel any outstanding wakeup events for this thread
-        new_thread->CancelWakeupTimer();
-
-        auto previous_process = Kernel::g_current_process;
-
-        current_thread = new_thread;
-
-        ready_queue.remove(new_thread->current_priority, 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);
-        }
-
-        cpu_core->LoadContext(new_thread->context);
-        cpu_core->SetTlsAddress(new_thread->GetTLSAddress());
-    } else {
-        current_thread = nullptr;
-        // Note: We do not reset the current process and current page table when idling because
-        // technically we haven't changed processes, our threads are just paused.
-    }
-}
-
-void Scheduler::Reschedule() {
-    Thread* cur = GetCurrentThread();
-    Thread* next = PopNextReadyThread();
-
-    if (cur && next) {
-        LOG_TRACE(Kernel, "context switch %u -> %u", cur->GetObjectId(), next->GetObjectId());
-    } else if (cur) {
-        LOG_TRACE(Kernel, "context switch %u -> idle", cur->GetObjectId());
-    } else if (next) {
-        LOG_TRACE(Kernel, "context switch idle -> %u", next->GetObjectId());
-    }
-
-    SwitchContext(next);
-}
-
-void Scheduler::AddThread(SharedPtr<Thread> thread, u32 priority) {
-    thread_list.push_back(thread);
-    ready_queue.prepare(priority);
-}
-
-void Scheduler::RemoveThread(Thread* thread) {
-    thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
-                      thread_list.end());
-}
-
-void Scheduler::ScheduleThread(Thread* thread, u32 priority) {
-    ASSERT(thread->status == THREADSTATUS_READY);
-    ready_queue.push_back(priority, thread);
-}
-
-void Scheduler::UnscheduleThread(Thread* thread, u32 priority) {
-    ASSERT(thread->status == THREADSTATUS_READY);
-    ready_queue.remove(priority, thread);
-}
-
-void Scheduler::SetThreadPriority(Thread* thread, u32 priority) {
-    // If thread was ready, adjust queues
-    if (thread->status == THREADSTATUS_READY)
-        ready_queue.move(thread, thread->current_priority, priority);
-    else
-        ready_queue.prepare(priority);
-}
-
-} // namespace Kernel

src/core/hle/kernel/scheduler.h

@@ -1,73 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <vector>
-#include "common/common_types.h"
-#include "common/thread_queue_list.h"
-#include "core/arm/arm_interface.h"
-#include "core/hle/kernel/thread.h"
-
-namespace Kernel {
-
-class Scheduler final {
-public:
-    explicit Scheduler(ARM_Interface* cpu_core);
-    ~Scheduler();
-
-    /// Returns whether there are any threads that are ready to run.
-    bool HaveReadyThreads();
-
-    /// Reschedules to the next available thread (call after current thread is suspended)
-    void Reschedule();
-
-    /// Gets the current running thread
-    Thread* GetCurrentThread() const;
-
-    /// Adds a new thread to the scheduler
-    void AddThread(SharedPtr<Thread> thread, u32 priority);
-
-    /// Removes a thread from the scheduler
-    void RemoveThread(Thread* thread);
-
-    /// Schedules a thread that has become "ready"
-    void ScheduleThread(Thread* thread, u32 priority);
-
-    /// Unschedules a thread that was already scheduled
-    void UnscheduleThread(Thread* thread, u32 priority);
-
-    /// Sets the priority of a thread in the scheduler
-    void SetThreadPriority(Thread* thread, u32 priority);
-
-    /// Returns a list of all threads managed by the scheduler
-    const std::vector<SharedPtr<Thread>>& GetThreadList() const {
-        return thread_list;
-    }
-
-private:
-    /**
-     * Pops and returns the next thread from the thread queue
-     * @return A pointer to the next ready thread
-     */
-    Thread* PopNextReadyThread();
-
-    /**
-     * Switches the CPU's active thread context to that of the specified thread
-     * @param new_thread The thread to switch to
-     */
-    void SwitchContext(Thread* new_thread);
-
-    /// Lists all thread ids that aren't deleted/etc.
-    std::vector<SharedPtr<Thread>> thread_list;
-
-    /// Lists only ready thread ids.
-    Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST + 1> ready_queue;
-
-    SharedPtr<Thread> current_thread = nullptr;
-
-    ARM_Interface* cpu_core;
-};
-
-} // namespace Kernel

src/core/hle/kernel/server_session.cpp

@@ -57,33 +57,6 @@ void ServerSession::Acquire(Thread* thread) {
     pending_requesting_threads.pop_back();
 }
 
-ResultCode ServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& context) {
-    auto& domain_message_header = context.GetDomainMessageHeader();
-    if (domain_message_header) {
-        // If there is a DomainMessageHeader, then this is CommandType "Request"
-        const u32 object_id{context.GetDomainMessageHeader()->object_id};
-        switch (domain_message_header->command) {
-        case IPC::DomainMessageHeader::CommandType::SendMessage:
-            return domain_request_handlers[object_id - 1]->HandleSyncRequest(context);
-
-        case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: {
-            LOG_DEBUG(IPC, "CloseVirtualHandle, object_id=0x%08X", object_id);
-
-            domain_request_handlers[object_id - 1] = nullptr;
-
-            IPC::ResponseBuilder rb{context, 2};
-            rb.Push(RESULT_SUCCESS);
-            return RESULT_SUCCESS;
-        }
-        }
-
-        LOG_CRITICAL(IPC, "Unknown domain command=%d", domain_message_header->command.Value());
-        ASSERT(false);
-    }
-
-    return RESULT_SUCCESS;
-}
-
 ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
     // The ServerSession received a sync request, this means that there's new data available
     // from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or
@@ -94,39 +67,46 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
     context.PopulateFromIncomingCommandBuffer(cmd_buf, *Kernel::g_current_process,
                                               Kernel::g_handle_table);
 
-    ResultCode result = RESULT_SUCCESS;
-    // If the session has been converted to a domain, handle the domain request
-    if (IsDomain() && context.GetDomainMessageHeader()) {
-        result = HandleDomainSyncRequest(context);
+    // If the session has been converted to a domain, handle the doomain request
+    if (IsDomain()) {
+        auto& domain_message_header = context.GetDomainMessageHeader();
+        if (domain_message_header) {
+            // If there is a DomainMessageHeader, then this is CommandType "Request"
+            const u32 object_id{context.GetDomainMessageHeader()->object_id};
+            switch (domain_message_header->command) {
+            case IPC::DomainMessageHeader::CommandType::SendMessage:
+                return domain_request_handlers[object_id - 1]->HandleSyncRequest(context);
+
+            case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: {
+                LOG_DEBUG(IPC, "CloseVirtualHandle, object_id=0x%08X", object_id);
+
+                domain_request_handlers[object_id - 1] = nullptr;
+
+                IPC::ResponseBuilder rb{context, 2};
+                rb.Push(RESULT_SUCCESS);
+                return RESULT_SUCCESS;
+            }
+            }
+
+            LOG_CRITICAL(IPC, "Unknown domain command=%d", domain_message_header->command.Value());
+            ASSERT(false);
+        }
         // If there is no domain header, the regular session handler is used
-    } else if (hle_handler != nullptr) {
-        // If this ServerSession has an associated HLE handler, forward the request to it.
-        result = hle_handler->HandleSyncRequest(context);
     }
 
-    if (thread->status == THREADSTATUS_RUNNING) {
-        // Put the thread to sleep until the server replies, it will be awoken in
-        // svcReplyAndReceive for LLE servers.
-        thread->status = THREADSTATUS_WAIT_IPC;
+    // If this ServerSession has an associated HLE handler, forward the request to it.
+    ResultCode result{RESULT_SUCCESS};
+    if (hle_handler != nullptr) {
+        // Attempt to translate the incoming request's command buffer.
+        ResultCode translate_result = TranslateHLERequest(this);
+        if (translate_result.IsError())
+            return translate_result;
 
-        if (hle_handler != nullptr) {
-            // For HLE services, we put the request threads to sleep for a short duration to
-            // simulate IPC overhead, but only if the HLE handler didn't put the thread to sleep for
-            // other reasons like an async callback. The IPC overhead is needed to prevent
-            // starvation when a thread only does sync requests to HLE services while a
-            // lower-priority thread is waiting to run.
-
-            // This delay was approximated in a homebrew application by measuring the average time
-            // it takes for svcSendSyncRequest to return when performing the SetLcdForceBlack IPC
-            // request to the GSP:GPU service in a n3DS with firmware 11.6. The measured values have
-            // a high variance and vary between models.
-            static constexpr u64 IPCDelayNanoseconds = 39000;
-            thread->WakeAfterDelay(IPCDelayNanoseconds);
-        } else {
-            // Add the thread to the list of threads that have issued a sync request with this
-            // server.
-            pending_requesting_threads.push_back(std::move(thread));
-        }
+        result = hle_handler->HandleSyncRequest(context);
+    } else {
+        // Add the thread to the list of threads that have issued a sync request with this
+        // server.
+        pending_requesting_threads.push_back(std::move(thread));
     }
 
     // If this ServerSession does not have an HLE implementation, just wake up the threads waiting
@@ -160,4 +140,9 @@ ServerSession::SessionPair ServerSession::CreateSessionPair(const std::string& n
 
     return std::make_tuple(std::move(server_session), std::move(client_session));
 }
+
+ResultCode TranslateHLERequest(ServerSession* server_session) {
+    // TODO(Subv): Implement this function once multiple concurrent processes are supported.
+    return RESULT_SUCCESS;
+}
 } // namespace Kernel

src/core/hle/kernel/server_session.h

@@ -21,7 +21,6 @@ class ServerSession;
 class Session;
 class SessionRequestHandler;
 class Thread;
-class HLERequestContext;
 
 /**
  * Kernel object representing the server endpoint of an IPC session. Sessions are the basic CTR-OS
@@ -117,12 +116,17 @@ private:
      */
     static ResultVal<SharedPtr<ServerSession>> Create(std::string name = "Unknown");
 
-    /// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
-    /// object handle.
-    ResultCode HandleDomainSyncRequest(Kernel::HLERequestContext& context);
-
     /// When set to True, converts the session to a domain at the end of the command
     bool convert_to_domain{};
 };
 
+/**
+ * Performs command buffer translation for an HLE IPC request.
+ * The command buffer from the ServerSession thread's TLS is copied into a
+ * buffer and all descriptors in the buffer are processed.
+ * TODO(Subv): Implement this function, currently we do not support multiple processes running at
+ * once, but once that is implemented we'll need to properly translate all descriptors
+ * in the command buffer.
+ */
+ResultCode TranslateHLERequest(ServerSession* server_session);
 } // namespace Kernel

src/core/hle/kernel/shared_memory.cpp

@@ -111,6 +111,13 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
         return ERR_INVALID_COMBINATION;
     }
 
+    // Heap-backed memory blocks can not be mapped with other_permissions = DontCare
+    if (base_address != 0 && other_permissions == MemoryPermission::DontCare) {
+        LOG_ERROR(Kernel, "cannot map id=%u, address=0x%llx name=%s, permissions don't match",
+                  GetObjectId(), address, name.c_str());
+        return ERR_INVALID_COMBINATION;
+    }
+
     // 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)) {
@@ -119,6 +126,12 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
         return ERR_WRONG_PERMISSION;
     }
 
+    // TODO(Subv): Check for the Shared Device Mem flag in the creator process.
+    /*if (was_created_with_shared_device_mem && address != 0) {
+        return ResultCode(ErrorDescription::InvalidCombination, ErrorModule::OS,
+    ErrorSummary::InvalidArgument, ErrorLevel::Usage);
+    }*/
+
     // TODO(Subv): The same process that created a SharedMemory object
     // can not map it in its own address space unless it was created with addr=0, result 0xD900182C.
 

src/core/hle/kernel/svc.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <cinttypes>
 
 #include "common/logging/log.h"
 #include "common/microprofile.h"
@@ -444,16 +443,6 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
     return RESULT_SUCCESS;
 }
 
-static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 size) {
-    LOG_WARNING(Kernel_SVC,
-                "called, shared_memory_handle=0x%08X, addr=0x%" PRIx64 ", size=0x%" PRIx64 "",
-                shared_memory_handle, addr, size);
-
-    SharedPtr<SharedMemory> shared_memory = g_handle_table.Get<SharedMemory>(shared_memory_handle);
-
-    return shared_memory->Unmap(g_current_process.get(), addr);
-}
-
 /// Query process memory
 static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/,
                                      Handle process_handle, u64 addr) {
@@ -494,7 +483,7 @@ static void ExitProcess() {
     g_current_process->status = ProcessStatus::Exited;
 
     // Stop all the process threads that are currently waiting for objects.
-    auto& thread_list = Core::System::GetInstance().Scheduler().GetThreadList();
+    auto& thread_list = GetThreadList();
     for (auto& thread : thread_list) {
         if (thread->owner_process != g_current_process)
             continue;
@@ -596,7 +585,7 @@ static void SleepThread(s64 nanoseconds) {
 
     // Don't attempt to yield execution if there are no available threads to run,
     // this way we avoid a useless reschedule to the idle thread.
-    if (nanoseconds == 0 && !Core::System::GetInstance().Scheduler().HaveReadyThreads())
+    if (nanoseconds == 0 && !HaveReadyThreads())
         return;
 
     // Sleep current thread and check for next thread to schedule
@@ -772,16 +761,6 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss
     return RESULT_SUCCESS;
 }
 
-static ResultCode ClearEvent(Handle handle) {
-    LOG_TRACE(Kernel_SVC, "called, event=0xX", handle);
-
-    SharedPtr<Event> evt = g_handle_table.Get<Event>(handle);
-    if (evt == nullptr)
-        return ERR_INVALID_HANDLE;
-    evt->Clear();
-    return RESULT_SUCCESS;
-}
-
 namespace {
 struct FunctionDef {
     using Func = void();
@@ -811,9 +790,9 @@ static const FunctionDef SVC_Table[] = {
     {0x0F, SvcWrap<SetThreadCoreMask>, "SetThreadCoreMask"},
     {0x10, SvcWrap<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"},
     {0x11, nullptr, "SignalEvent"},
-    {0x12, SvcWrap<ClearEvent>, "ClearEvent"},
+    {0x12, nullptr, "ClearEvent"},
     {0x13, SvcWrap<MapSharedMemory>, "MapSharedMemory"},
-    {0x14, SvcWrap<UnmapSharedMemory>, "UnmapSharedMemory"},
+    {0x14, nullptr, "UnmapSharedMemory"},
     {0x15, SvcWrap<CreateTransferMemory>, "CreateTransferMemory"},
     {0x16, SvcWrap<CloseHandle>, "CloseHandle"},
     {0x17, SvcWrap<ResetSignal>, "ResetSignal"},

src/core/hle/kernel/svc_wrap.h

@@ -91,11 +91,6 @@ void SvcWrap() {
     FuncReturn(func((u32)PARAM(0), PARAM(1), PARAM(2), (u32)PARAM(3)).raw);
 }
 
-template <ResultCode func(u32, u64, u64)>
-void SvcWrap() {
-    FuncReturn(func((u32)PARAM(0), PARAM(1), PARAM(2)).raw);
-}
-
 template <ResultCode func(u32*, u64, u64, s64)>
 void SvcWrap() {
     u32 param_1 = 0;

src/core/hle/kernel/thread.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <cinttypes>
 #include <list>
 #include <vector>
 #include "common/assert.h"
@@ -41,6 +40,14 @@ void Thread::Acquire(Thread* thread) {
 //               us to simply use a pool index or similar.
 static Kernel::HandleTable wakeup_callback_handle_table;
 
+// Lists all thread ids that aren't deleted/etc.
+static std::vector<SharedPtr<Thread>> thread_list;
+
+// Lists only ready thread ids.
+static Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST + 1> ready_queue;
+
+static SharedPtr<Thread> current_thread;
+
 // The first available thread id at startup
 static u32 next_thread_id;
 
@@ -55,6 +62,10 @@ inline static u32 const NewThreadId() {
 Thread::Thread() {}
 Thread::~Thread() {}
 
+Thread* GetCurrentThread() {
+    return current_thread.get();
+}
+
 /**
  * Check if the specified thread is waiting on the specified address to be arbitrated
  * @param thread The thread to test
@@ -74,7 +85,7 @@ void Thread::Stop() {
     // Clean up thread from ready queue
     // This is only needed when the thread is termintated forcefully (SVC TerminateProcess)
     if (status == THREADSTATUS_READY) {
-        Core::System::GetInstance().Scheduler().UnscheduleThread(this, current_priority);
+        ready_queue.remove(current_priority, this);
     }
 
     status = THREADSTATUS_DEAD;
@@ -97,6 +108,112 @@ void Thread::Stop() {
     Kernel::g_current_process->tls_slots[tls_page].reset(tls_slot);
 }
 
+Thread* ArbitrateHighestPriorityThread(u32 address) {
+    Thread* highest_priority_thread = nullptr;
+    u32 priority = THREADPRIO_LOWEST;
+
+    // Iterate through threads, find highest priority thread that is waiting to be arbitrated...
+    for (auto& thread : thread_list) {
+        if (!CheckWait_AddressArbiter(thread.get(), address))
+            continue;
+
+        if (thread == nullptr)
+            continue;
+
+        if (thread->current_priority <= priority) {
+            highest_priority_thread = thread.get();
+            priority = thread->current_priority;
+        }
+    }
+
+    // If a thread was arbitrated, resume it
+    if (nullptr != highest_priority_thread) {
+        highest_priority_thread->ResumeFromWait();
+    }
+
+    return highest_priority_thread;
+}
+
+void ArbitrateAllThreads(u32 address) {
+    // Resume all threads found to be waiting on the address
+    for (auto& thread : thread_list) {
+        if (CheckWait_AddressArbiter(thread.get(), address))
+            thread->ResumeFromWait();
+    }
+}
+
+/**
+ * Switches the CPU's active thread context to that of the specified thread
+ * @param new_thread The thread to switch to
+ */
+static void SwitchContext(Thread* new_thread) {
+    Thread* previous_thread = GetCurrentThread();
+
+    // Save context for previous thread
+    if (previous_thread) {
+        previous_thread->last_running_ticks = CoreTiming::GetTicks();
+        Core::CPU().SaveContext(previous_thread->context);
+
+        if (previous_thread->status == THREADSTATUS_RUNNING) {
+            // This is only the case when a reschedule is triggered without the current thread
+            // yielding execution (i.e. an event triggered, system core time-sliced, etc)
+            ready_queue.push_front(previous_thread->current_priority, previous_thread);
+            previous_thread->status = THREADSTATUS_READY;
+        }
+    }
+
+    // Load context of new thread
+    if (new_thread) {
+        ASSERT_MSG(new_thread->status == THREADSTATUS_READY,
+                   "Thread must be ready to become running.");
+
+        // Cancel any outstanding wakeup events for this thread
+        CoreTiming::UnscheduleEvent(ThreadWakeupEventType, new_thread->callback_handle);
+
+        auto previous_process = Kernel::g_current_process;
+
+        current_thread = new_thread;
+
+        ready_queue.remove(new_thread->current_priority, 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::CPU().LoadContext(new_thread->context);
+        Core::CPU().SetTlsAddress(new_thread->GetTLSAddress());
+    } else {
+        current_thread = nullptr;
+        // Note: We do not reset the current process and current page table when idling because
+        // technically we haven't changed processes, our threads are just paused.
+    }
+}
+
+/**
+ * Pops and returns the next thread from the thread queue
+ * @return A pointer to the next ready thread
+ */
+static Thread* PopNextReadyThread() {
+    Thread* next;
+    Thread* thread = GetCurrentThread();
+
+    if (thread && thread->status == THREADSTATUS_RUNNING) {
+        // We have to do better than the current thread.
+        // This call returns null when that's not possible.
+        next = ready_queue.pop_first_better(thread->current_priority);
+        if (!next) {
+            // Otherwise just keep going with the current thread
+            next = thread;
+        }
+    } else {
+        next = ready_queue.pop_first();
+    }
+
+    return next;
+}
+
 void WaitCurrentThread_Sleep() {
     Thread* thread = GetCurrentThread();
     thread->status = THREADSTATUS_WAIT_SLEEP;
@@ -111,7 +228,8 @@ void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) {
 void ExitCurrentThread() {
     Thread* thread = GetCurrentThread();
     thread->Stop();
-    Core::System::GetInstance().Scheduler().RemoveThread(thread);
+    thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
+                      thread_list.end());
 }
 
 /**
@@ -129,7 +247,8 @@ 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_ARB ||
+        thread->status == THREADSTATUS_WAIT_HLE_EVENT) {
 
         // Remove the thread from each of its waiting objects' waitlists
         for (auto& object : thread->wait_objects)
@@ -165,7 +284,6 @@ void Thread::ResumeFromWait() {
     case THREADSTATUS_WAIT_SYNCH_ANY:
     case THREADSTATUS_WAIT_ARB:
     case THREADSTATUS_WAIT_SLEEP:
-    case THREADSTATUS_WAIT_IPC:
         break;
 
     case THREADSTATUS_READY:
@@ -189,11 +307,31 @@ void Thread::ResumeFromWait() {
 
     wakeup_callback = nullptr;
 
+    ready_queue.push_back(current_priority, this);
     status = THREADSTATUS_READY;
-    Core::System::GetInstance().Scheduler().ScheduleThread(this, current_priority);
     Core::System::GetInstance().PrepareReschedule();
 }
 
+/**
+ * Prints the thread queue for debugging purposes
+ */
+static void DebugThreadQueue() {
+    Thread* thread = GetCurrentThread();
+    if (!thread) {
+        LOG_DEBUG(Kernel, "Current: NO CURRENT THREAD");
+    } else {
+        LOG_DEBUG(Kernel, "0x%02X %u (current)", thread->current_priority,
+                  GetCurrentThread()->GetObjectId());
+    }
+
+    for (auto& t : thread_list) {
+        u32 priority = ready_queue.contains(t.get());
+        if (priority != -1) {
+            LOG_DEBUG(Kernel, "0x%02X %u", priority, t->GetObjectId());
+        }
+    }
+}
+
 /**
  * Finds a free location for the TLS section of a thread.
  * @param tls_slots The TLS page array of the thread's owner process.
@@ -242,7 +380,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
                                             SharedPtr<Process> owner_process) {
     // Check if priority is in ranged. Lowest priority -> highest priority id.
     if (priority > THREADPRIO_LOWEST) {
-        LOG_ERROR(Kernel_SVC, "Invalid thread priority: %u", priority);
+        LOG_ERROR(Kernel_SVC, "Invalid thread priority: %d", priority);
         return ERR_OUT_OF_RANGE;
     }
 
@@ -254,14 +392,15 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
     // TODO(yuriks): Other checks, returning 0xD9001BEA
 
     if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
-        LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %016" PRIx64, name.c_str(), entry_point);
+        LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name.c_str(), entry_point);
         // TODO (bunnei): Find the correct error code to use here
         return ResultCode(-1);
     }
 
     SharedPtr<Thread> thread(new Thread);
 
-    Core::System::GetInstance().Scheduler().AddThread(thread, priority);
+    thread_list.push_back(thread);
+    ready_queue.prepare(priority);
 
     thread->thread_id = NewThreadId();
     thread->status = THREADSTATUS_DORMANT;
@@ -332,7 +471,12 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
 void Thread::SetPriority(u32 priority) {
     ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
                "Invalid priority value.");
-    Core::System::GetInstance().Scheduler().SetThreadPriority(this, priority);
+    // If thread was ready, adjust queues
+    if (status == THREADSTATUS_READY)
+        ready_queue.move(this, current_priority, priority);
+    else
+        ready_queue.prepare(priority);
+
     nominal_priority = current_priority = priority;
 }
 
@@ -346,7 +490,11 @@ void Thread::UpdatePriority() {
 }
 
 void Thread::BoostPriority(u32 priority) {
-    Core::System::GetInstance().Scheduler().SetThreadPriority(this, priority);
+    // If thread was ready, adjust queues
+    if (status == THREADSTATUS_READY)
+        ready_queue.move(this, current_priority, priority);
+    else
+        ready_queue.prepare(priority);
     current_priority = priority;
 }
 
@@ -372,6 +520,25 @@ SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
     return thread;
 }
 
+bool HaveReadyThreads() {
+    return ready_queue.get_first() != nullptr;
+}
+
+void Reschedule() {
+    Thread* cur = GetCurrentThread();
+    Thread* next = PopNextReadyThread();
+
+    if (cur && next) {
+        LOG_TRACE(Kernel, "context switch %u -> %u", cur->GetObjectId(), next->GetObjectId());
+    } else if (cur) {
+        LOG_TRACE(Kernel, "context switch %u -> idle", cur->GetObjectId());
+    } else if (next) {
+        LOG_TRACE(Kernel, "context switch idle -> %u", next->GetObjectId());
+    }
+
+    SwitchContext(next);
+}
+
 void Thread::SetWaitSynchronizationResult(ResultCode result) {
     context.cpu_registers[0] = result.raw;
 }
@@ -394,20 +561,25 @@ VAddr Thread::GetCommandBufferAddress() const {
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-/**
- * Gets the current thread
- */
-Thread* GetCurrentThread() {
-    return Core::System::GetInstance().Scheduler().GetCurrentThread();
-}
-
 void ThreadingInit() {
     ThreadWakeupEventType = CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
+
+    current_thread = nullptr;
     next_thread_id = 1;
 }
 
 void ThreadingShutdown() {
-    Kernel::ClearProcessList();
+    current_thread = nullptr;
+
+    for (auto& t : thread_list) {
+        t->Stop();
+    }
+    thread_list.clear();
+    ready_queue.clear();
+}
+
+const std::vector<SharedPtr<Thread>>& GetThreadList() {
+    return thread_list;
 }
 
 } // namespace Kernel

src/core/hle/kernel/thread.h

@@ -39,8 +39,8 @@ 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
     THREADSTATUS_WAIT_SYNCH_ALL, ///< Waiting due to WaitSynchronizationN with wait_all = true
     THREADSTATUS_DORMANT,        ///< Created but not yet made ready
@@ -249,6 +249,28 @@ private:
 SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
                                   SharedPtr<Process> owner_process);
 
+/**
+ * Returns whether there are any threads that are ready to run.
+ */
+bool HaveReadyThreads();
+
+/**
+ * Reschedules to the next available thread (call after current thread is suspended)
+ */
+void Reschedule();
+
+/**
+ * Arbitrate the highest priority thread that is waiting
+ * @param address The address for which waiting threads should be arbitrated
+ */
+Thread* ArbitrateHighestPriorityThread(VAddr address);
+
+/**
+ * Arbitrate all threads currently waiting.
+ * @param address The address for which waiting threads should be arbitrated
+ */
+void ArbitrateAllThreads(VAddr address);
+
 /**
  * Gets the current thread
  */
@@ -280,4 +302,9 @@ void ThreadingInit();
  */
 void ThreadingShutdown();
 
+/**
+ * Get a const reference to the thread list for debug use
+ */
+const std::vector<SharedPtr<Thread>>& GetThreadList();
+
 } // namespace Kernel

src/core/hle/kernel/vm_manager.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include <iterator>
 #include "common/assert.h"
 #include "common/logging/log.h"
@@ -207,8 +206,7 @@ void VMManager::RefreshMemoryBlockMappings(const std::vector<u8>* block) {
 void VMManager::LogLayout(Log::Level log_level) const {
     for (const auto& p : vma_map) {
         const VirtualMemoryArea& vma = p.second;
-        LOG_GENERIC(Log::Class::Kernel, log_level,
-                    "%016" PRIx64 " - %016" PRIx64 "  size: %16" PRIx64 " %c%c%c %s", vma.base,
+        LOG_GENERIC(Log::Class::Kernel, log_level, "%08X - %08X  size: %8X %c%c%c %s", vma.base,
                     vma.base + vma.size, vma.size,
                     (u8)vma.permissions & (u8)VMAPermission::Read ? 'R' : '-',
                     (u8)vma.permissions & (u8)VMAPermission::Write ? 'W' : '-',
@@ -224,8 +222,8 @@ VMManager::VMAIter VMManager::StripIterConstness(const VMAHandle& iter) {
 }
 
 ResultVal<VMManager::VMAIter> VMManager::CarveVMA(VAddr base, u64 size) {
-    ASSERT_MSG((size & Memory::PAGE_MASK) == 0, "non-page aligned size: 0x%16" PRIx64, size);
-    ASSERT_MSG((base & Memory::PAGE_MASK) == 0, "non-page aligned base: 0x%016" PRIx64, base);
+    ASSERT_MSG((size & Memory::PAGE_MASK) == 0, "non-page aligned size: 0x%8X", size);
+    ASSERT_MSG((base & Memory::PAGE_MASK) == 0, "non-page aligned base: 0x%08X", base);
 
     VMAIter vma_handle = StripIterConstness(FindVMA(base));
     if (vma_handle == vma_map.end()) {
@@ -260,8 +258,8 @@ ResultVal<VMManager::VMAIter> VMManager::CarveVMA(VAddr base, u64 size) {
 }
 
 ResultVal<VMManager::VMAIter> VMManager::CarveVMARange(VAddr target, u64 size) {
-    ASSERT_MSG((size & Memory::PAGE_MASK) == 0, "non-page aligned size: 0x%16" PRIx64, size);
-    ASSERT_MSG((target & Memory::PAGE_MASK) == 0, "non-page aligned base: 0x%016" PRIx64, target);
+    ASSERT_MSG((size & Memory::PAGE_MASK) == 0, "non-page aligned size: 0x%8X", size);
+    ASSERT_MSG((target & Memory::PAGE_MASK) == 0, "non-page aligned base: 0x%08X", target);
 
     VAddr target_end = target + size;
     ASSERT(target_end >= target);

src/core/hle/service/acc/acc_u0.cpp

@@ -65,19 +65,12 @@ void ACC_U0::GetUserExistence(Kernel::HLERequestContext& ctx) {
 }
 
 void ACC_U0::ListAllUsers(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_ACC, "(STUBBED) called");
     constexpr std::array<u128, 10> user_ids{DEFAULT_USER_ID};
-    ctx.WriteBuffer(user_ids.data(), user_ids.size());
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void ACC_U0::ListOpenUsers(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_ACC, "(STUBBED) called");
-    constexpr std::array<u128, 10> user_ids{DEFAULT_USER_ID};
-    ctx.WriteBuffer(user_ids.data(), user_ids.size());
+    const auto& output_buffer = ctx.BufferDescriptorC()[0];
+    Memory::WriteBlock(output_buffer.Address(), user_ids.data(), user_ids.size());
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
+    LOG_DEBUG(Service_ACC, "called");
 }
 
 void ACC_U0::GetProfile(Kernel::HLERequestContext& ctx) {
@@ -111,7 +104,6 @@ ACC_U0::ACC_U0() : ServiceFramework("acc:u0") {
     static const FunctionInfo functions[] = {
         {1, &ACC_U0::GetUserExistence, "GetUserExistence"},
         {2, &ACC_U0::ListAllUsers, "ListAllUsers"},
-        {3, &ACC_U0::ListOpenUsers, "ListOpenUsers"},
         {4, &ACC_U0::GetLastOpenedUser, "GetLastOpenedUser"},
         {5, &ACC_U0::GetProfile, "GetProfile"},
         {100, &ACC_U0::InitializeApplicationInfo, "InitializeApplicationInfo"},

src/core/hle/service/acc/acc_u0.h

@@ -29,7 +29,6 @@ public:
 private:
     void GetUserExistence(Kernel::HLERequestContext& ctx);
     void ListAllUsers(Kernel::HLERequestContext& ctx);
-    void ListOpenUsers(Kernel::HLERequestContext& ctx);
     void GetLastOpenedUser(Kernel::HLERequestContext& ctx);
     void GetProfile(Kernel::HLERequestContext& ctx);
     void InitializeApplicationInfo(Kernel::HLERequestContext& ctx);

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

@@ -34,38 +34,7 @@ void IWindowController::AcquireForegroundRights(Kernel::HLERequestContext& ctx)
     rb.Push(RESULT_SUCCESS);
 }
 
-IAudioController::IAudioController() : ServiceFramework("IAudioController") {
-    static const FunctionInfo functions[] = {
-        {0, &IAudioController::SetExpectedMasterVolume, "SetExpectedMasterVolume"},
-        {1, &IAudioController::GetMainAppletExpectedMasterVolume,
-         "GetMainAppletExpectedMasterVolume"},
-        {2, &IAudioController::GetLibraryAppletExpectedMasterVolume,
-         "GetLibraryAppletExpectedMasterVolume"},
-        {3, nullptr, "ChangeMainAppletMasterVolume"},
-        {4, nullptr, "SetTransparentVolumeRate"},
-    };
-    RegisterHandlers(functions);
-}
-
-void IAudioController::SetExpectedMasterVolume(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void IAudioController::GetMainAppletExpectedMasterVolume(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push(volume);
-}
-
-void IAudioController::GetLibraryAppletExpectedMasterVolume(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push(volume);
-}
+IAudioController::IAudioController() : ServiceFramework("IAudioController") {}
 
 IDisplayController::IDisplayController() : ServiceFramework("IDisplayController") {}
 
@@ -77,7 +46,6 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
         {1, &ISelfController::LockExit, "LockExit"},
         {2, &ISelfController::UnlockExit, "UnlockExit"},
         {9, &ISelfController::GetLibraryAppletLaunchableEvent, "GetLibraryAppletLaunchableEvent"},
-        {10, &ISelfController::SetScreenShotPermission, "SetScreenShotPermission"},
         {11, &ISelfController::SetOperationModeChangedNotification,
          "SetOperationModeChangedNotification"},
         {12, &ISelfController::SetPerformanceModeChangedNotification,
@@ -130,13 +98,6 @@ void ISelfController::SetPerformanceModeChangedNotification(Kernel::HLERequestCo
     LOG_WARNING(Service_AM, "(STUBBED) called flag=%u", static_cast<u32>(flag));
 }
 
-void ISelfController::SetScreenShotPermission(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-}
-
 void ISelfController::SetOperationModeChangedNotification(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 
@@ -345,11 +306,11 @@ private:
 
         u64 offset = rp.Pop<u64>();
 
-        const size_t size{ctx.GetWriteBufferSize()};
+        const auto& output_buffer = ctx.BufferDescriptorC()[0];
 
-        ASSERT(offset + size <= buffer.size());
+        ASSERT(offset + output_buffer.Size() <= buffer.size());
 
-        ctx.WriteBuffer(buffer.data() + offset, size);
+        Memory::WriteBlock(output_buffer.Address(), buffer.data() + offset, output_buffer.Size());
 
         IPC::ResponseBuilder rb{ctx, 2};
 
@@ -417,9 +378,8 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
 
 void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service, "(STUBBED) called");
-    IPC::ResponseBuilder rb{ctx, 4};
+    IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u64>(0);
 }
 
 void IApplicationFunctions::SetTerminateResult(Kernel::HLERequestContext& ctx) {

src/core/hle/service/am/am.h

@@ -36,13 +36,6 @@ private:
 class IAudioController final : public ServiceFramework<IAudioController> {
 public:
     IAudioController();
-
-private:
-    void SetExpectedMasterVolume(Kernel::HLERequestContext& ctx);
-    void GetMainAppletExpectedMasterVolume(Kernel::HLERequestContext& ctx);
-    void GetLibraryAppletExpectedMasterVolume(Kernel::HLERequestContext& ctx);
-
-    u32 volume{100};
 };
 
 class IDisplayController final : public ServiceFramework<IDisplayController> {
@@ -69,7 +62,6 @@ private:
     void UnlockExit(Kernel::HLERequestContext& ctx);
     void GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx);
     void CreateManagedDisplayLayer(Kernel::HLERequestContext& ctx);
-    void SetScreenShotPermission(Kernel::HLERequestContext& ctx);
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     Kernel::SharedPtr<Kernel::Event> launchable_event;

src/core/hle/service/aoc/aoc_u.cpp

@@ -2,44 +2,16 @@
 // 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/aoc/aoc_u.h"
 
 namespace Service {
 namespace AOC {
 
-AOC_U::AOC_U() : ServiceFramework("aoc:u") {
-    static const FunctionInfo functions[] = {
-        {0, nullptr, "CountAddOnContentByApplicationId"},
-        {1, nullptr, "ListAddOnContentByApplicationId"},
-        {2, &AOC_U::CountAddOnContent, "CountAddOnContent"},
-        {3, &AOC_U::ListAddOnContent, "ListAddOnContent"},
-        {4, nullptr, "GetAddOnContentBaseIdByApplicationId"},
-        {5, nullptr, "GetAddOnContentBaseId"},
-        {6, nullptr, "PrepareAddOnContentByApplicationId"},
-        {7, nullptr, "PrepareAddOnContent"},
-    };
-    RegisterHandlers(functions);
-}
-
-void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 4};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u64>(0);
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-}
-
-void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 4};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u64>(0);
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-}
-
 void InstallInterfaces(SM::ServiceManager& service_manager) {
     std::make_shared<AOC_U>()->InstallAsService(service_manager);
 }
 
+AOC_U::AOC_U() : ServiceFramework("aoc:u") {}
+
 } // namespace AOC
 } // namespace Service

src/core/hle/service/aoc/aoc_u.h

@@ -13,10 +13,6 @@ class AOC_U final : public ServiceFramework<AOC_U> {
 public:
     AOC_U();
     ~AOC_U() = default;
-
-private:
-    void CountAddOnContent(Kernel::HLERequestContext& ctx);
-    void ListAddOnContent(Kernel::HLERequestContext& ctx);
 };
 
 /// Registers all AOC services with the specified service manager.

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

@@ -99,6 +99,8 @@ private:
     void GetReleasedAudioOutBuffer_1(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_Audio, "(STUBBED) called");
 
+        const auto& buffer = ctx.BufferDescriptorB()[0];
+
         // TODO(st4rk): This is how libtransistor currently implements the
         // GetReleasedAudioOutBuffer, it should return the key (a VAddr) to the app and this address
         // is used to know which buffer should be filled with data and send again to the service
@@ -110,7 +112,7 @@ private:
             queue_keys.pop_back();
         }
 
-        ctx.WriteBuffer(&key, sizeof(u64));
+        Memory::WriteBlock(buffer.Address(), &key, sizeof(u64));
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
@@ -156,8 +158,10 @@ void AudOutU::ListAudioOuts(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_Audio, "(STUBBED) called");
     IPC::RequestParser rp{ctx};
 
+    auto& buffer = ctx.BufferDescriptorB()[0];
     const std::string audio_interface = "AudioInterface";
-    ctx.WriteBuffer(audio_interface.c_str(), audio_interface.size());
+
+    Memory::WriteBlock(buffer.Address(), &audio_interface[0], audio_interface.size());
 
     IPC::ResponseBuilder rb = rp.MakeBuilder(3, 0, 0);
 

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

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include "common/logging/log.h"
-#include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/kernel/hle_ipc.h"
@@ -12,9 +11,6 @@
 namespace Service {
 namespace Audio {
 
-/// TODO(bunnei): Find a proper value for the audio_ticks
-constexpr u64 audio_ticks{static_cast<u64>(BASE_CLOCK_RATE / 200)};
-
 class IAudioRenderer final : public ServiceFramework<IAudioRenderer> {
 public:
     IAudioRenderer() : ServiceFramework("IAudioRenderer") {
@@ -24,8 +20,8 @@ public:
             {0x2, nullptr, "GetAudioRendererMixBufferCount"},
             {0x3, nullptr, "GetAudioRendererState"},
             {0x4, &IAudioRenderer::RequestUpdateAudioRenderer, "RequestUpdateAudioRenderer"},
-            {0x5, &IAudioRenderer::StartAudioRenderer, "StartAudioRenderer"},
-            {0x6, &IAudioRenderer::StopAudioRenderer, "StopAudioRenderer"},
+            {0x5, nullptr, "StartAudioRenderer"},
+            {0x6, nullptr, "StopAudioRenderer"},
             {0x7, &IAudioRenderer::QuerySystemEvent, "QuerySystemEvent"},
             {0x8, nullptr, "SetAudioRendererRenderingTimeLimit"},
             {0x9, nullptr, "GetAudioRendererRenderingTimeLimit"},
@@ -34,60 +30,11 @@ public:
 
         system_event =
             Kernel::Event::Create(Kernel::ResetType::OneShot, "IAudioRenderer:SystemEvent");
-
-        // Register event callback to update the Audio Buffer
-        audio_event = CoreTiming::RegisterEvent(
-            "IAudioRenderer::UpdateAudioCallback", [this](u64 userdata, int cycles_late) {
-                UpdateAudioCallback();
-                CoreTiming::ScheduleEvent(audio_ticks - cycles_late, audio_event);
-            });
-
-        // Start the audio event
-        CoreTiming::ScheduleEvent(audio_ticks, audio_event);
     }
     ~IAudioRenderer() = default;
 
 private:
-    void UpdateAudioCallback() {
-        system_event->Signal();
-    }
-
     void RequestUpdateAudioRenderer(Kernel::HLERequestContext& ctx) {
-        LOG_DEBUG(Service_Audio, "%s", ctx.Description().c_str());
-        AudioRendererResponseData response_data{};
-
-        response_data.section_0_size =
-            response_data.state_entries.size() * sizeof(AudioRendererStateEntry);
-        response_data.section_1_size = response_data.section_1.size();
-        response_data.section_2_size = response_data.section_2.size();
-        response_data.section_3_size = response_data.section_3.size();
-        response_data.section_4_size = response_data.section_4.size();
-        response_data.section_5_size = response_data.section_5.size();
-        response_data.total_size = sizeof(AudioRendererResponseData);
-
-        for (unsigned i = 0; i < response_data.state_entries.size(); i++) {
-            // 4 = Busy and 5 = Ready?
-            response_data.state_entries[i].state = 5;
-        }
-
-        ctx.WriteBuffer(&response_data, response_data.total_size);
-
-        IPC::ResponseBuilder rb{ctx, 2};
-
-        rb.Push(RESULT_SUCCESS);
-
-        LOG_WARNING(Service_Audio, "(STUBBED) called");
-    }
-
-    void StartAudioRenderer(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-
-        rb.Push(RESULT_SUCCESS);
-
-        LOG_WARNING(Service_Audio, "(STUBBED) called");
-    }
-
-    void StopAudioRenderer(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2};
 
         rb.Push(RESULT_SUCCESS);
@@ -105,56 +52,15 @@ private:
         LOG_WARNING(Service_Audio, "(STUBBED) called");
     }
 
-    struct AudioRendererStateEntry {
-        u32_le state;
-        u32_le unknown_4;
-        u32_le unknown_8;
-        u32_le unknown_c;
-    };
-    static_assert(sizeof(AudioRendererStateEntry) == 0x10,
-                  "AudioRendererStateEntry has wrong size");
-
-    struct AudioRendererResponseData {
-        u32_le unknown_0;
-        u32_le section_5_size;
-        u32_le section_0_size;
-        u32_le section_1_size;
-        u32_le unknown_10;
-        u32_le section_2_size;
-        u32_le unknown_18;
-        u32_le section_3_size;
-        u32_le section_4_size;
-        u32_le unknown_24;
-        u32_le unknown_28;
-        u32_le unknown_2c;
-        u32_le unknown_30;
-        u32_le unknown_34;
-        u32_le unknown_38;
-        u32_le total_size;
-
-        std::array<AudioRendererStateEntry, 0x18e> state_entries;
-
-        std::array<u8, 0x600> section_1;
-        std::array<u8, 0xe0> section_2;
-        std::array<u8, 0x20> section_3;
-        std::array<u8, 0x10> section_4;
-        std::array<u8, 0xb0> section_5;
-    };
-    static_assert(sizeof(AudioRendererResponseData) == 0x20e0,
-                  "AudioRendererResponseData has wrong size");
-
-    /// This is used to trigger the audio event callback.
-    CoreTiming::EventType* audio_event;
-
     Kernel::SharedPtr<Kernel::Event> system_event;
 };
 
 AudRenU::AudRenU() : ServiceFramework("audren:u") {
     static const FunctionInfo functions[] = {
-        {0, &AudRenU::OpenAudioRenderer, "OpenAudioRenderer"},
-        {1, &AudRenU::GetAudioRendererWorkBufferSize, "GetAudioRendererWorkBufferSize"},
-        {2, &AudRenU::GetAudioRenderersProcessMasterVolume, "GetAudioRenderersProcessMasterVolume"},
-        {3, nullptr, "SetAudioRenderersProcessMasterVolume"},
+        {0x00000000, &AudRenU::OpenAudioRenderer, "OpenAudioRenderer"},
+        {0x00000001, &AudRenU::GetAudioRendererWorkBufferSize, "GetAudioRendererWorkBufferSize"},
+        {0x00000002, nullptr, "GetAudioRenderersProcessMasterVolume"},
+        {0x00000003, nullptr, "SetAudioRenderersProcessMasterVolume"},
     };
     RegisterHandlers(functions);
 }
@@ -172,17 +78,9 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 4};
 
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u64>(0x400);
+    rb.Push<u64>(0x1000);
 
-    LOG_WARNING(Service_Audio, "(STUBBED) called");
-}
-
-void AudRenU::GetAudioRenderersProcessMasterVolume(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 3};
-
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(100);
-    LOG_WARNING(Service_Audio, "(STUBBED) called");
+    LOG_WARNING(Service_Audio, "called");
 }
 
 } // namespace Audio

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

@@ -21,7 +21,6 @@ public:
 private:
     void OpenAudioRenderer(Kernel::HLERequestContext& ctx);
     void GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx);
-    void GetAudioRenderersProcessMasterVolume(Kernel::HLERequestContext& ctx);
 };
 
 } // namespace Audio

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

@@ -33,10 +33,12 @@ private:
         IPC::RequestParser rp{ctx};
         const s64 offset = rp.Pop<s64>();
         const s64 length = rp.Pop<s64>();
+        const auto& descriptor = ctx.BufferDescriptorB()[0];
 
         LOG_DEBUG(Service_FS, "called, offset=0x%llx, length=0x%llx", offset, length);
 
         // Error checking
+        ASSERT_MSG(length == descriptor.Size(), "unexpected size difference");
         if (length < 0) {
             IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
@@ -58,7 +60,7 @@ private:
         }
 
         // Write the data to memory
-        ctx.WriteBuffer(output);
+        Memory::WriteBlock(descriptor.Address(), output.data(), descriptor.Size());
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);

src/core/hle/service/friend/friend.cpp

@@ -1,28 +0,0 @@
-// 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/friend/friend.h"
-#include "core/hle/service/friend/friend_a.h"
-
-namespace Service {
-namespace Friend {
-
-void Module::Interface::Unknown(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-    LOG_WARNING(Service_Friend, "(STUBBED) called");
-}
-
-Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
-    : ServiceFramework(name), module(std::move(module)) {}
-
-void InstallInterfaces(SM::ServiceManager& service_manager) {
-    auto module = std::make_shared<Module>();
-    std::make_shared<Friend_A>(module)->InstallAsService(service_manager);
-}
-
-} // namespace Friend
-} // namespace Service

src/core/hle/service/friend/friend.h

@@ -1,29 +0,0 @@
-// 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 Friend {
-
-class Module final {
-public:
-    class Interface : public ServiceFramework<Interface> {
-    public:
-        Interface(std::shared_ptr<Module> module, const char* name);
-
-        void Unknown(Kernel::HLERequestContext& ctx);
-
-    protected:
-        std::shared_ptr<Module> module;
-    };
-};
-
-/// Registers all Friend services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager);
-
-} // namespace Friend
-} // namespace Service

src/core/hle/service/friend/friend_a.cpp

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

src/core/hle/service/friend/friend_a.h

@@ -1,18 +0,0 @@
-// 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/friend/friend.h"
-
-namespace Service {
-namespace Friend {
-
-class Friend_A final : public Module::Interface {
-public:
-    explicit Friend_A(std::shared_ptr<Module> module);
-};
-
-} // namespace Friend
-} // namespace Service

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

@@ -176,10 +176,7 @@ public:
             {0, &Hid::CreateAppletResource, "CreateAppletResource"},
             {1, &Hid::ActivateDebugPad, "ActivateDebugPad"},
             {11, &Hid::ActivateTouchScreen, "ActivateTouchScreen"},
-            {21, &Hid::ActivateMouse, "ActivateMouse"},
-            {31, &Hid::ActivateKeyboard, "ActivateKeyboard"},
             {66, &Hid::StartSixAxisSensor, "StartSixAxisSensor"},
-            {79, &Hid::SetGyroscopeZeroDriftMode, "SetGyroscopeZeroDriftMode"},
             {100, &Hid::SetSupportedNpadStyleSet, "SetSupportedNpadStyleSet"},
             {102, &Hid::SetSupportedNpadIdType, "SetSupportedNpadIdType"},
             {103, &Hid::ActivateNpad, "ActivateNpad"},
@@ -187,15 +184,9 @@ public:
              "AcquireNpadStyleSetUpdateEventHandle"},
             {120, &Hid::SetNpadJoyHoldType, "SetNpadJoyHoldType"},
             {121, &Hid::GetNpadJoyHoldType, "GetNpadJoyHoldType"},
-            {122, &Hid::SetNpadJoyAssignmentModeSingleByDefault,
-             "SetNpadJoyAssignmentModeSingleByDefault"},
             {124, nullptr, "SetNpadJoyAssignmentModeDual"},
             {128, &Hid::SetNpadHandheldActivationMode, "SetNpadHandheldActivationMode"},
-            {200, &Hid::GetVibrationDeviceInfo, "GetVibrationDeviceInfo"},
-            {201, &Hid::SendVibrationValue, "SendVibrationValue"},
-            {202, &Hid::GetActualVibrationValue, "GetActualVibrationValue"},
             {203, &Hid::CreateActiveVibrationDeviceList, "CreateActiveVibrationDeviceList"},
-            {206, &Hid::SendVibrationValues, "SendVibrationValues"},
         };
         RegisterHandlers(functions);
 
@@ -231,30 +222,12 @@ private:
         LOG_WARNING(Service_HID, "(STUBBED) called");
     }
 
-    void ActivateMouse(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
-    void ActivateKeyboard(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
     void StartSixAxisSensor(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
         LOG_WARNING(Service_HID, "(STUBBED) called");
     }
 
-    void SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
     void SetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
@@ -293,49 +266,18 @@ private:
         LOG_WARNING(Service_HID, "(STUBBED) called");
     }
 
-    void SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
-    void SendVibrationValue(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
-    void GetActualVibrationValue(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
     void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
         LOG_WARNING(Service_HID, "(STUBBED) called");
     }
 
-    void GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 4};
-        rb.Push(RESULT_SUCCESS);
-        rb.Push<u64>(0);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
-
     void CreateActiveVibrationDeviceList(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
         rb.PushIpcInterface<IActiveVibrationDeviceList>();
         LOG_DEBUG(Service_HID, "called");
     }
-
-    void SendVibrationValues(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(RESULT_SUCCESS);
-        LOG_WARNING(Service_HID, "(STUBBED) called");
-    }
 };
 
 void ReloadInputDevices() {}

src/core/hle/service/lm/lm.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <sstream>
 #include <string>
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
@@ -29,28 +28,19 @@ private:
             IsHead = 1,
             IsTail = 2,
         };
-        enum Severity : u32_le {
-            Trace,
-            Info,
-            Warning,
-            Error,
-            Critical,
-        };
 
         u64_le pid;
         u64_le threadContext;
         union {
             BitField<0, 16, Flags> flags;
-            BitField<16, 8, Severity> severity;
+            BitField<16, 8, u32_le> severity;
             BitField<24, 8, u32_le> verbosity;
         };
         u32_le payload_size;
 
-        bool IsHeadLog() const {
-            return flags & Flags::IsHead;
-        }
-        bool IsTailLog() const {
-            return flags & Flags::IsTail;
+        /// Returns true if this is part of a single log message
+        bool IsSingleMessage() const {
+            return (flags & Flags::IsHead) && (flags & Flags::IsTail);
         }
     };
     static_assert(sizeof(MessageHeader) == 0x18, "MessageHeader is incorrect size");
@@ -67,7 +57,7 @@ private:
     };
 
     /**
-     * LM::Log service function
+     * LM::Initialize service function
      *  Inputs:
      *      0: 0x00000000
      *  Outputs:
@@ -85,9 +75,9 @@ private:
         Memory::ReadBlock(addr, &header, sizeof(MessageHeader));
         addr += sizeof(MessageHeader);
 
-        if (header.IsHeadLog()) {
-            log_stream.str("");
-            log_stream.clear();
+        if (!header.IsSingleMessage()) {
+            LOG_WARNING(Service_LM, "Multi message logs are unimplemeneted");
+            return;
         }
 
         // Parse out log metadata
@@ -95,7 +85,7 @@ private:
         std::string message, filename, function;
         while (addr < end_addr) {
             const Field field{static_cast<Field>(Memory::Read8(addr++))};
-            const size_t length{Memory::Read8(addr++)};
+            size_t length{Memory::Read8(addr++)};
 
             if (static_cast<Field>(Memory::Read8(addr)) == Field::Skip) {
                 ++addr;
@@ -120,47 +110,28 @@ private:
         }
 
         // Empty log - nothing to do here
-        if (log_stream.str().empty() && message.empty()) {
+        if (message.empty()) {
             return;
         }
 
         // Format a nicely printable string out of the log metadata
-        if (!filename.empty()) {
-            log_stream << filename << ':';
+        std::string output;
+        if (filename.size()) {
+            output += filename + ':';
         }
-        if (!function.empty()) {
-            log_stream << function << ':';
+        if (function.size()) {
+            output += function + ':';
         }
         if (line) {
-            log_stream << std::to_string(line) << ':';
+            output += std::to_string(line) + ':';
         }
-        if (log_stream.str().length() > 0 && log_stream.str().back() == ':') {
-            log_stream << ' ';
+        if (output.length() > 0 && output.back() == ':') {
+            output += ' ';
         }
-        log_stream << message;
+        output += message;
 
-        if (header.IsTailLog()) {
-            switch (header.severity) {
-            case MessageHeader::Severity::Trace:
-                LOG_TRACE(Debug_Emulated, "%s", log_stream.str().c_str());
-                break;
-            case MessageHeader::Severity::Info:
-                LOG_INFO(Debug_Emulated, "%s", log_stream.str().c_str());
-                break;
-            case MessageHeader::Severity::Warning:
-                LOG_WARNING(Debug_Emulated, "%s", log_stream.str().c_str());
-                break;
-            case MessageHeader::Severity::Error:
-                LOG_ERROR(Debug_Emulated, "%s", log_stream.str().c_str());
-                break;
-            case MessageHeader::Severity::Critical:
-                LOG_CRITICAL(Debug_Emulated, "%s", log_stream.str().c_str());
-                break;
-            }
-        }
+        LOG_INFO(Debug_Emulated, "%s", output.c_str());
     }
-
-    std::ostringstream log_stream;
 };
 
 void InstallInterfaces(SM::ServiceManager& service_manager) {

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

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/nifm/nifm_a.h"
 #include "core/hle/service/nifm/nifm_s.h"
@@ -29,9 +28,9 @@ class IRequest final : public ServiceFramework<IRequest> {
 public:
     explicit IRequest() : ServiceFramework("IRequest") {
         static const FunctionInfo functions[] = {
-            {0, &IRequest::GetRequestState, "GetRequestState"},
-            {1, &IRequest::GetResult, "GetResult"},
-            {2, &IRequest::GetSystemEventReadableHandles, "GetSystemEventReadableHandles"},
+            {0, nullptr, "GetRequestState"},
+            {1, nullptr, "GetResult"},
+            {2, nullptr, "GetSystemEventReadableHandles"},
             {3, nullptr, "Cancel"},
             {4, nullptr, "Submit"},
             {5, nullptr, "SetRequirement"},
@@ -56,32 +55,7 @@ public:
             {25, nullptr, "UnregisterSocketDescriptor"},
         };
         RegisterHandlers(functions);
-
-        event1 = Kernel::Event::Create(Kernel::ResetType::OneShot, "IRequest:Event1");
-        event2 = Kernel::Event::Create(Kernel::ResetType::OneShot, "IRequest:Event2");
     }
-
-private:
-    void GetRequestState(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(RESULT_SUCCESS);
-        rb.Push<u32>(0);
-    }
-    void GetResult(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(RESULT_SUCCESS);
-        rb.Push<u32>(0);
-    }
-    void GetSystemEventReadableHandles(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2, 2};
-        rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(event1, event2);
-    }
-
-    Kernel::SharedPtr<Kernel::Event> event1, event2;
 };
 
 class INetworkProfile final : public ServiceFramework<INetworkProfile> {

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

@@ -1,16 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "core/hle/service/ns/ns.h"
-#include "core/hle/service/ns/pl_u.h"
-
-namespace Service {
-namespace NS {
-
-void InstallInterfaces(SM::ServiceManager& service_manager) {
-    std::make_shared<PL_U>()->InstallAsService(service_manager);
-}
-
-} // namespace NS
-} // namespace Service

src/core/hle/service/ns/ns.h

@@ -1,16 +0,0 @@
-// 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 NS {
-
-/// Registers all NS services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager);
-
-} // namespace NS
-} // namespace Service

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

@@ -1,111 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/common_paths.h"
-#include "common/file_util.h"
-#include "core/hle/ipc_helpers.h"
-#include "core/hle/service/ns/pl_u.h"
-
-namespace Service {
-namespace NS {
-
-struct FontRegion {
-    u32 offset;
-    u32 size;
-};
-
-// The below data is specific to shared font data dumped from Switch on f/w 2.2
-// Virtual address and offsets/sizes likely will vary by dump
-static constexpr VAddr SHARED_FONT_MEM_VADDR{0x00000009d3016000ULL};
-static constexpr u64 SHARED_FONT_MEM_SIZE{0x1100000};
-static constexpr std::array<FontRegion, 6> SHARED_FONT_REGIONS{
-    FontRegion{0x00000008, 0x001fe764}, FontRegion{0x001fe774, 0x00773e58},
-    FontRegion{0x009725d4, 0x0001aca8}, FontRegion{0x0098d284, 0x00369cec},
-    FontRegion{0x00cf6f78, 0x0039b858}, FontRegion{0x010927d8, 0x00019e80},
-};
-
-enum class LoadState : u32 {
-    Loading = 0,
-    Done = 1,
-};
-
-PL_U::PL_U() : ServiceFramework("pl:u") {
-    static const FunctionInfo functions[] = {
-        {1, &PL_U::GetLoadState, "GetLoadState"},
-        {2, &PL_U::GetSize, "GetSize"},
-        {3, &PL_U::GetSharedMemoryAddressOffset, "GetSharedMemoryAddressOffset"},
-        {4, &PL_U::GetSharedMemoryNativeHandle, "GetSharedMemoryNativeHandle"}};
-    RegisterHandlers(functions);
-
-    // Attempt to load shared font data from disk
-    const std::string filepath{FileUtil::GetUserPath(D_SYSDATA_IDX) + SHARED_FONT};
-    FileUtil::CreateFullPath(filepath); // Create path if not already created
-    FileUtil::IOFile file(filepath, "rb");
-
-    if (file.IsOpen()) {
-        // Read shared font data
-        ASSERT(file.GetSize() == SHARED_FONT_MEM_SIZE);
-        shared_font = std::make_shared<std::vector<u8>>(static_cast<size_t>(file.GetSize()));
-        file.ReadBytes(shared_font->data(), shared_font->size());
-    } else {
-        LOG_WARNING(Service_NS, "Unable to load shared font: %s", filepath.c_str());
-    }
-}
-
-void PL_U::GetLoadState(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const u32 font_id{rp.Pop<u32>()};
-
-    LOG_DEBUG(Service_NS, "called, font_id=%d", font_id);
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(static_cast<u32>(LoadState::Done));
-}
-
-void PL_U::GetSize(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const u32 font_id{rp.Pop<u32>()};
-
-    LOG_DEBUG(Service_NS, "called, font_id=%d", font_id);
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(SHARED_FONT_REGIONS[font_id].size);
-}
-
-void PL_U::GetSharedMemoryAddressOffset(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const u32 font_id{rp.Pop<u32>()};
-
-    LOG_DEBUG(Service_NS, "called, font_id=%d", font_id);
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(SHARED_FONT_REGIONS[font_id].offset);
-}
-
-void PL_U::GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx) {
-    if (shared_font != nullptr) {
-        // TODO(bunnei): This is a less-than-ideal solution to load a RAM dump of the Switch shared
-        // font data. This (likely) relies on exact address, size, and offsets from the original
-        // 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);
-
-        // Create shared font memory object
-        shared_font_mem = Kernel::SharedMemory::Create(
-            Kernel::g_current_process, SHARED_FONT_MEM_SIZE, Kernel::MemoryPermission::ReadWrite,
-            Kernel::MemoryPermission::Read, SHARED_FONT_MEM_VADDR, Kernel::MemoryRegion::BASE,
-            "PL_U:shared_font_mem");
-    }
-
-    LOG_DEBUG(Service_NS, "called");
-    IPC::ResponseBuilder rb{ctx, 2, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushCopyObjects(shared_font_mem);
-}
-
-} // namespace NS
-} // namespace Service

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

@@ -1,33 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include "core/hle/kernel/shared_memory.h"
-#include "core/hle/service/service.h"
-
-namespace Service {
-namespace NS {
-
-class PL_U final : public ServiceFramework<PL_U> {
-public:
-    PL_U();
-    ~PL_U() = default;
-
-private:
-    void GetLoadState(Kernel::HLERequestContext& ctx);
-    void GetSize(Kernel::HLERequestContext& ctx);
-    void GetSharedMemoryAddressOffset(Kernel::HLERequestContext& ctx);
-    void GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx);
-
-    /// Handle to shared memory region designated for a shared font
-    Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
-
-    /// Backing memory for the shared font data
-    std::shared_ptr<std::vector<u8>> shared_font;
-};
-
-} // namespace NS
-} // namespace Service

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

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
@@ -14,8 +13,8 @@ namespace Nvidia {
 namespace Devices {
 
 u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
-              command.raw, input.size(), output.size());
+    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%llx, output_size=0x%llx",
+              command, input.size(), output.size());
 
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocInitalizeExCommand:
@@ -63,8 +62,7 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
     std::memcpy(&params, input.data(), input.size());
 
     LOG_DEBUG(Service_NVDRV,
-              "called, flags=%x, nvmap_handle=%x, buffer_offset=%" PRIu64 ", mapping_size=%" PRIu64
-              ", offset=%" PRIu64,
+              "called, flags=%x, nvmap_handle=%x, buffer_offset=%lx, mapping_size=%lx, offset=%lx",
               params.flags, params.nvmap_handle, params.buffer_offset, params.mapping_size,
               params.offset);
 
@@ -99,8 +97,8 @@ u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& ou
 u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGetVaRegions params{};
     std::memcpy(&params, input.data(), input.size());
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr=%" PRIu64 ", buf_size=%x",
-                params.buf_addr, params.buf_size);
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr=%lx, buf_size=%x", params.buf_addr,
+                params.buf_size);
 
     params.buf_size = 0x30;
     params.regions[0].offset = 0x04000000;

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

@@ -11,14 +11,12 @@ namespace Nvidia {
 namespace Devices {
 
 u32 nvhost_ctrl::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
-              command.raw, input.size(), output.size());
+    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%lx, output_size=0x%lx", command,
+              input.size(), output.size());
 
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocGetConfigCommand:
         return NvOsGetConfigU32(input, output);
-    case IoctlCommand::IocCtrlEventWaitCommand:
-        return IocCtrlEventWait(input, output);
     }
     UNIMPLEMENTED();
     return 0;
@@ -47,18 +45,6 @@ u32 nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>&
     return 0;
 }
 
-u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output) {
-    IocCtrlEventWaitParams params{};
-    std::memcpy(&params, input.data(), sizeof(params));
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, syncpt_id=%u threshold=%u timeout=%d",
-                params.syncpt_id, params.threshold, params.timeout);
-
-    // TODO(Subv): Implement actual syncpt waiting.
-    params.value = 0;
-    std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
-}
-
 } // namespace Devices
 } // namespace Nvidia
 } // namespace Service

src/core/hle/service/nvdrv/devices/nvhost_ctrl.h

@@ -31,7 +31,6 @@ private:
         IocModuleRegRDWRCommand = 0xC008010E,
         IocSyncptWaitexCommand = 0xC0100019,
         IocSyncptReadMaxCommand = 0xC008001A,
-        IocCtrlEventWaitCommand = 0xC010001D,
         IocGetConfigCommand = 0xC183001B,
     };
 
@@ -42,17 +41,7 @@ private:
     };
     static_assert(sizeof(IocGetConfigParams) == 387, "IocGetConfigParams is incorrect size");
 
-    struct IocCtrlEventWaitParams {
-        u32_le syncpt_id;
-        u32_le threshold;
-        s32_le timeout;
-        u32_le value;
-    };
-    static_assert(sizeof(IocCtrlEventWaitParams) == 16, "IocCtrlEventWaitParams is incorrect size");
-
     u32 NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output);
-
-    u32 IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Devices

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

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h"
@@ -12,8 +11,8 @@ namespace Nvidia {
 namespace Devices {
 
 u32 nvhost_ctrl_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
-              command.raw, input.size(), output.size());
+    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%llx, output_size=0x%llx",
+              command, input.size(), output.size());
 
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocGetCharacteristicsCommand:
@@ -79,7 +78,7 @@ u32 nvhost_ctrl_gpu::GetCharacteristics(const std::vector<u8>& input, std::vecto
 u32 nvhost_ctrl_gpu::GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGpuGetTpcMasksArgs params{};
     std::memcpy(&params, input.data(), input.size());
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, mask=0x%x, mask_buf_addr=0x%" PRIx64,
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, mask=0x%x, mask_buf_addr=0x%lx",
                 params.mask_buf_size, params.mask_buf_addr);
     std::memcpy(output.data(), &params, sizeof(params));
     return 0;

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

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include <map>
 #include "common/assert.h"
 #include "common/logging/log.h"
@@ -14,8 +13,8 @@ namespace Nvidia {
 namespace Devices {
 
 u32 nvhost_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
-              command.raw, input.size(), output.size());
+    LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%llx, output_size=0x%llx",
+              command, input.size(), output.size());
 
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
@@ -75,8 +74,7 @@ u32 nvhost_gpu::GetClientData(const std::vector<u8>& input, std::vector<u8>& out
 
 u32 nvhost_gpu::ZCullBind(const std::vector<u8>& input, std::vector<u8>& output) {
     std::memcpy(&zcull_params, input.data(), input.size());
-    LOG_DEBUG(Service_NVDRV, "called, gpu_va=%" PRIx64 ", mode=%x", zcull_params.gpu_va,
-              zcull_params.mode);
+    LOG_DEBUG(Service_NVDRV, "called, gpu_va=%lx, mode=%x", zcull_params.gpu_va, zcull_params.mode);
     std::memcpy(output.data(), &zcull_params, output.size());
     return 0;
 }
@@ -84,8 +82,8 @@ u32 nvhost_gpu::ZCullBind(const std::vector<u8>& input, std::vector<u8>& output)
 u32 nvhost_gpu::SetErrorNotifier(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetErrorNotifier params{};
     std::memcpy(&params, input.data(), input.size());
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, offset=%" PRIx64 ", size=%" PRIx64 ", mem=%x",
-                params.offset, params.size, params.mem);
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, offset=%lx, size=%lx, mem=%x", params.offset,
+                params.size, params.mem);
     std::memcpy(output.data(), &params, output.size());
     return 0;
 }
@@ -125,7 +123,7 @@ u32 nvhost_gpu::SubmitGPFIFO(const std::vector<u8>& input, std::vector<u8>& outp
         UNIMPLEMENTED();
     IoctlSubmitGpfifo params{};
     std::memcpy(&params, input.data(), sizeof(IoctlSubmitGpfifo));
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, gpfifo=%" PRIx64 ", num_entries=%x, flags=%x",
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, gpfifo=%lx, num_entries=%x, flags=%x",
                 params.gpfifo, params.num_entries, params.flags);
 
     auto entries = std::vector<IoctlGpfifoEntry>();

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

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <cinttypes>
 
 #include "common/assert.h"
 #include "common/logging/log.h"
@@ -72,7 +71,7 @@ u32 nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
     object->addr = params.addr;
     object->status = Object::Status::Allocated;
 
-    LOG_DEBUG(Service_NVDRV, "called, addr=0x%" PRIx64, params.addr);
+    LOG_DEBUG(Service_NVDRV, "called, addr=0x%llx", params.addr);
 
     std::memcpy(output.data(), &params, sizeof(params));
     return 0;
@@ -103,8 +102,11 @@ u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
                             [&](const auto& entry) { return entry.second->id == params.id; });
     ASSERT(itr != handles.end());
 
-    // Return the existing handle instead of creating a new one.
-    params.handle = itr->first;
+    // Make a new handle for the object
+    u32 handle = next_handle++;
+    handles[handle] = itr->second;
+
+    params.handle = handle;
 
     std::memcpy(output.data(), &params, sizeof(params));
     return 0;

src/core/hle/service/nvdrv/interface.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
@@ -15,8 +14,9 @@ namespace Nvidia {
 void NVDRV::Open(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_NVDRV, "called");
 
-    const auto& buffer = ctx.ReadBuffer();
-    std::string device_name(buffer.begin(), buffer.end());
+    auto buffer = ctx.BufferDescriptorA()[0];
+
+    std::string device_name = Memory::ReadCString(buffer.Address(), buffer.Size());
 
     u32 fd = nvdrv->Open(device_name);
     IPC::ResponseBuilder rb{ctx, 4};
@@ -32,13 +32,25 @@ void NVDRV::Ioctl(Kernel::HLERequestContext& ctx) {
     u32 fd = rp.Pop<u32>();
     u32 command = rp.Pop<u32>();
 
-    std::vector<u8> output(ctx.GetWriteBufferSize());
-
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(nvdrv->Ioctl(fd, command, ctx.ReadBuffer(), output));
-
-    ctx.WriteBuffer(output);
+    if (ctx.BufferDescriptorA()[0].Size() != 0) {
+        auto input_buffer = ctx.BufferDescriptorA()[0];
+        auto output_buffer = ctx.BufferDescriptorB()[0];
+        std::vector<u8> input(input_buffer.Size());
+        std::vector<u8> output(output_buffer.Size());
+        Memory::ReadBlock(input_buffer.Address(), input.data(), input_buffer.Size());
+        rb.Push(nvdrv->Ioctl(fd, command, input, output));
+        Memory::WriteBlock(output_buffer.Address(), output.data(), output_buffer.Size());
+    } else {
+        auto input_buffer = ctx.BufferDescriptorX()[0];
+        auto output_buffer = ctx.BufferDescriptorC()[0];
+        std::vector<u8> input(input_buffer.size);
+        std::vector<u8> output(output_buffer.size);
+        Memory::ReadBlock(input_buffer.Address(), input.data(), input_buffer.size);
+        rb.Push(nvdrv->Ioctl(fd, command, input, output));
+        Memory::WriteBlock(output_buffer.Address(), output.data(), output_buffer.size);
+    }
 }
 
 void NVDRV::Close(Kernel::HLERequestContext& ctx) {
@@ -76,7 +88,7 @@ void NVDRV::SetClientPID(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     pid = rp.Pop<u64>();
 
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, pid=0x%" PRIx64, pid);
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, pid=0x%lx", pid);
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
     rb.Push<u32>(0);

src/core/hle/service/nvdrv/nvdrv.h

@@ -17,13 +17,6 @@ namespace Devices {
 class nvdevice;
 }
 
-struct IoctlFence {
-    u32 id;
-    u32 value;
-};
-
-static_assert(sizeof(IoctlFence) == 8, "IoctlFence has wrong size");
-
 class Module final {
 public:
     Module();

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

@@ -6,7 +6,6 @@
 
 #include "common/alignment.h"
 #include "common/scope_exit.h"
-#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
@@ -130,7 +129,6 @@ void NVFlinger::Compose() {
 
         if (buffer == boost::none) {
             // There was no queued buffer to draw, render previous frame
-            Core::System::GetInstance().perf_stats.EndGameFrame();
             VideoCore::g_renderer->SwapBuffers({});
             continue;
         }

src/core/hle/service/service.cpp

@@ -20,11 +20,9 @@
 #include "core/hle/service/apm/apm.h"
 #include "core/hle/service/audio/audio.h"
 #include "core/hle/service/filesystem/filesystem.h"
-#include "core/hle/service/friend/friend.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/lm/lm.h"
 #include "core/hle/service/nifm/nifm.h"
-#include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/pctl/pctl.h"
 #include "core/hle/service/service.h"
@@ -152,9 +150,15 @@ ResultCode ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& co
     }
 
     u32* cmd_buf = (u32*)Memory::GetPointer(Kernel::GetCurrentThread()->GetTLSAddress());
-    context.WriteToOutgoingCommandBuffer(cmd_buf, *Kernel::g_current_process,
-                                         Kernel::g_handle_table);
-
+    auto thread = Kernel::GetCurrentThread();
+    ASSERT(thread->status == THREADSTATUS_RUNNING || thread->status == THREADSTATUS_WAIT_HLE_EVENT);
+    // Only write the response immediately if the thread is still running. If the HLE handler put
+    // the thread to sleep then the writing of the command buffer will be deferred to the wakeup
+    // callback.
+    if (thread->status == THREADSTATUS_RUNNING) {
+        context.WriteToOutgoingCommandBuffer(cmd_buf, *Kernel::g_current_process,
+                                             Kernel::g_handle_table);
+    }
     return RESULT_SUCCESS;
 }
 
@@ -181,11 +185,9 @@ void Init() {
     APM::InstallInterfaces(*SM::g_service_manager);
     Audio::InstallInterfaces(*SM::g_service_manager);
     FileSystem::InstallInterfaces(*SM::g_service_manager);
-    Friend::InstallInterfaces(*SM::g_service_manager);
     HID::InstallInterfaces(*SM::g_service_manager);
     LM::InstallInterfaces(*SM::g_service_manager);
     NIFM::InstallInterfaces(*SM::g_service_manager);
-    NS::InstallInterfaces(*SM::g_service_manager);
     Nvidia::InstallInterfaces(*SM::g_service_manager);
     PCTL::InstallInterfaces(*SM::g_service_manager);
     Sockets::InstallInterfaces(*SM::g_service_manager);

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

@@ -17,7 +17,9 @@ void SET::GetAvailableLanguageCodes(Kernel::HLERequestContext& ctx) {
     u32 id = rp.Pop<u32>();
     constexpr std::array<u8, 13> lang_codes{};
 
-    ctx.WriteBuffer(lang_codes.data(), lang_codes.size());
+    const auto& output_buffer = ctx.BufferDescriptorC()[0];
+
+    Memory::WriteBlock(output_buffer.Address(), lang_codes.data(), lang_codes.size());
 
     IPC::ResponseBuilder rb{ctx, 2};
 

src/core/hle/service/sockets/bsd_u.cpp

@@ -17,15 +17,6 @@ void BSD_U::RegisterClient(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(0); // bsd errno
 }
 
-void BSD_U::StartMonitoring(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 3};
-
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // bsd errno
-}
-
 void BSD_U::Socket(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 
@@ -76,7 +67,6 @@ void BSD_U::Close(Kernel::HLERequestContext& ctx) {
 
 BSD_U::BSD_U() : ServiceFramework("bsd:u") {
     static const FunctionInfo functions[] = {{0, &BSD_U::RegisterClient, "RegisterClient"},
-                                             {1, &BSD_U::StartMonitoring, "StartMonitoring"},
                                              {2, &BSD_U::Socket, "Socket"},
                                              {11, &BSD_U::SendTo, "SendTo"},
                                              {14, &BSD_U::Connect, "Connect"},

src/core/hle/service/sockets/bsd_u.h

@@ -17,7 +17,6 @@ public:
 
 private:
     void RegisterClient(Kernel::HLERequestContext& ctx);
-    void StartMonitoring(Kernel::HLERequestContext& ctx);
     void Socket(Kernel::HLERequestContext& ctx);
     void Connect(Kernel::HLERequestContext& ctx);
     void SendTo(Kernel::HLERequestContext& ctx);

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

@@ -146,13 +146,6 @@ void Module::Interface::GetTimeZoneService(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_Time, "called");
 }
 
-void Module::Interface::GetStandardLocalSystemClock(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<ISystemClock>();
-    LOG_DEBUG(Service_Time, "called");
-}
-
 Module::Interface::Interface(std::shared_ptr<Module> time, const char* name)
     : ServiceFramework(name), time(std::move(time)) {}
 

src/core/hle/service/time/time.h

@@ -56,7 +56,6 @@ public:
         void GetStandardNetworkSystemClock(Kernel::HLERequestContext& ctx);
         void GetStandardSteadyClock(Kernel::HLERequestContext& ctx);
         void GetTimeZoneService(Kernel::HLERequestContext& ctx);
-        void GetStandardLocalSystemClock(Kernel::HLERequestContext& ctx);
 
     protected:
         std::shared_ptr<Module> time;

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

@@ -10,10 +10,6 @@ namespace Time {
 TIME_S::TIME_S(std::shared_ptr<Module> time) : Module::Interface(std::move(time), "time:s") {
     static const FunctionInfo functions[] = {
         {0, &TIME_S::GetStandardUserSystemClock, "GetStandardUserSystemClock"},
-        {1, &TIME_S::GetStandardNetworkSystemClock, "GetStandardNetworkSystemClock"},
-        {2, &TIME_S::GetStandardSteadyClock, "GetStandardSteadyClock"},
-        {3, &TIME_S::GetTimeZoneService, "GetTimeZoneService"},
-        {4, &TIME_S::GetStandardLocalSystemClock, "GetStandardLocalSystemClock"},
     };
     RegisterHandlers(functions);
 }

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

@@ -13,7 +13,6 @@ TIME_U::TIME_U(std::shared_ptr<Module> time) : Module::Interface(std::move(time)
         {1, &TIME_U::GetStandardNetworkSystemClock, "GetStandardNetworkSystemClock"},
         {2, &TIME_U::GetStandardSteadyClock, "GetStandardSteadyClock"},
         {3, &TIME_U::GetTimeZoneService, "GetTimeZoneService"},
-        {4, &TIME_U::GetStandardLocalSystemClock, "GetStandardLocalSystemClock"},
     };
     RegisterHandlers(functions);
 }

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

@@ -8,7 +8,6 @@
 #include "common/scope_exit.h"
 #include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/nvflinger/buffer_queue.h"
 #include "core/hle/service/vi/vi.h"
 #include "core/hle/service/vi/vi_m.h"
@@ -39,7 +38,6 @@ public:
 
     template <typename T>
     T Read() {
-        ASSERT(read_index + sizeof(T) <= buffer.size());
         T val;
         std::memcpy(&val, buffer.data() + read_index, sizeof(T));
         read_index += sizeof(T);
@@ -49,7 +47,6 @@ public:
 
     template <typename T>
     T ReadUnaligned() {
-        ASSERT(read_index + sizeof(T) <= buffer.size());
         T val;
         std::memcpy(&val, buffer.data() + read_index, sizeof(T));
         read_index += sizeof(T);
@@ -57,7 +54,6 @@ public:
     }
 
     std::vector<u8> ReadBlock(size_t length) {
-        ASSERT(read_index + length <= buffer.size());
         const u8* const begin = buffer.data() + read_index;
         const u8* const end = begin + length;
         std::vector<u8> data(begin, end);
@@ -90,18 +86,7 @@ public:
         write_index = Common::AlignUp(write_index, 4);
     }
 
-    template <typename T>
-    void WriteObject(const T& val) {
-        u32_le size = static_cast<u32>(sizeof(val));
-        Write(size);
-        // TODO(Subv): Support file descriptors.
-        Write<u32_le>(0); // Fd count.
-        Write(val);
-    }
-
     void Deserialize() {
-        ASSERT(buffer.size() > sizeof(Header));
-
         Header header{};
         std::memcpy(&header, buffer.data(), sizeof(Header));
 
@@ -277,12 +262,6 @@ public:
     Data data;
 };
 
-struct BufferProducerFence {
-    u32 is_valid;
-    std::array<Nvidia::IoctlFence, 4> fences;
-};
-static_assert(sizeof(BufferProducerFence) == 36, "BufferProducerFence has wrong size");
-
 class IGBPDequeueBufferResponseParcel : public Parcel {
 public:
     explicit IGBPDequeueBufferResponseParcel(u32 slot) : Parcel(), slot(slot) {}
@@ -290,15 +269,10 @@ public:
 
 protected:
     void SerializeData() override {
-        // TODO(Subv): Find out how this Fence is used.
-        BufferProducerFence fence = {};
-        fence.is_valid = 1;
-        for (auto& fence_ : fence.fences)
-            fence_.id = -1;
-
         Write(slot);
-        Write<u32_le>(1);
-        WriteObject(fence);
+        // TODO(Subv): Find out how this Fence is used.
+        std::array<u32_le, 11> fence = {};
+        Write(fence);
         Write<u32_le>(0);
     }
 
@@ -328,10 +302,11 @@ public:
 
 protected:
     void SerializeData() override {
-        // TODO(Subv): Figure out what this value means, writing non-zero here will make libnx try
-        // to read an IGBPBuffer object from the parcel.
-        Write<u32_le>(1);
-        WriteObject(buffer);
+        // TODO(bunnei): Find out what this all means. Writing anything non-zero here breaks libnx.
+        Write<u32_le>(0);
+        Write<u32_le>(0);
+        Write<u32_le>(0);
+        Write(buffer);
         Write<u32_le>(0);
     }
 
@@ -440,7 +415,7 @@ public:
             {0, &IHOSBinderDriver::TransactParcel, "TransactParcel"},
             {1, &IHOSBinderDriver::AdjustRefcount, "AdjustRefcount"},
             {2, &IHOSBinderDriver::GetNativeHandle, "GetNativeHandle"},
-            {3, &IHOSBinderDriver::TransactParcel, "TransactParcelAuto"},
+            {3, &IHOSBinderDriver::TransactParcelAuto, "TransactParcelAuto"},
         };
         RegisterHandlers(functions);
     }
@@ -464,62 +439,91 @@ private:
         SetPreallocatedBuffer = 14
     };
 
-    void TransactParcel(Kernel::HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        u32 id = rp.Pop<u32>();
-        auto transaction = static_cast<TransactionId>(rp.Pop<u32>());
-        u32 flags = rp.Pop<u32>();
+    void TransactParcel(u32 id, TransactionId transaction, const std::vector<u8>& input_data,
+                        VAddr output_addr, u64 output_size) {
         auto buffer_queue = nv_flinger->GetBufferQueue(id);
-
-        LOG_DEBUG(Service_VI, "called, transaction=%x", transaction);
-
+        std::vector<u8> response_buffer;
         if (transaction == TransactionId::Connect) {
-            IGBPConnectRequestParcel request{ctx.ReadBuffer()};
+            IGBPConnectRequestParcel request{input_data};
             IGBPConnectResponseParcel response{1280, 720};
-            ctx.WriteBuffer(response.Serialize());
+            response_buffer = response.Serialize();
         } else if (transaction == TransactionId::SetPreallocatedBuffer) {
-            IGBPSetPreallocatedBufferRequestParcel request{ctx.ReadBuffer()};
+            IGBPSetPreallocatedBufferRequestParcel request{input_data};
 
             buffer_queue->SetPreallocatedBuffer(request.data.slot, request.buffer);
 
             IGBPSetPreallocatedBufferResponseParcel response{};
-            ctx.WriteBuffer(response.Serialize());
+            response_buffer = response.Serialize();
         } else if (transaction == TransactionId::DequeueBuffer) {
-            IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
+            IGBPDequeueBufferRequestParcel request{input_data};
 
             u32 slot = buffer_queue->DequeueBuffer(request.data.pixel_format, request.data.width,
                                                    request.data.height);
 
             IGBPDequeueBufferResponseParcel response{slot};
-            ctx.WriteBuffer(response.Serialize());
+            response_buffer = response.Serialize();
         } else if (transaction == TransactionId::RequestBuffer) {
-            IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};
+            IGBPRequestBufferRequestParcel request{input_data};
 
             auto& buffer = buffer_queue->RequestBuffer(request.slot);
 
             IGBPRequestBufferResponseParcel response{buffer};
-            ctx.WriteBuffer(response.Serialize());
+            response_buffer = response.Serialize();
         } else if (transaction == TransactionId::QueueBuffer) {
-            IGBPQueueBufferRequestParcel request{ctx.ReadBuffer()};
+            IGBPQueueBufferRequestParcel request{input_data};
 
             buffer_queue->QueueBuffer(request.data.slot, request.data.transform);
 
             IGBPQueueBufferResponseParcel response{1280, 720};
-            ctx.WriteBuffer(response.Serialize());
+            response_buffer = response.Serialize();
         } else if (transaction == TransactionId::Query) {
-            IGBPQueryRequestParcel request{ctx.ReadBuffer()};
+            IGBPQueryRequestParcel request{input_data};
 
             u32 value =
                 buffer_queue->Query(static_cast<NVFlinger::BufferQueue::QueryType>(request.type));
 
             IGBPQueryResponseParcel response{value};
-            ctx.WriteBuffer(response.Serialize());
-        } else if (transaction == TransactionId::CancelBuffer) {
-            LOG_WARNING(Service_VI, "(STUBBED) called, transaction=CancelBuffer");
+            response_buffer = response.Serialize();
+
         } else {
             ASSERT_MSG(false, "Unimplemented");
         }
 
+        Memory::WriteBlock(output_addr, response_buffer.data(), output_size);
+    }
+
+    void TransactParcel(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        u32 id = rp.Pop<u32>();
+        auto transaction = static_cast<TransactionId>(rp.Pop<u32>());
+        u32 flags = rp.Pop<u32>();
+        LOG_DEBUG(Service_VI, "called, transaction=%x", transaction);
+
+        auto& input_buffer = ctx.BufferDescriptorA()[0];
+        auto& output_buffer = ctx.BufferDescriptorB()[0];
+        std::vector<u8> input_data(input_buffer.Size());
+        Memory::ReadBlock(input_buffer.Address(), input_data.data(), input_buffer.Size());
+
+        TransactParcel(id, transaction, input_data, output_buffer.Address(), output_buffer.Size());
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void TransactParcelAuto(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        u32 id = rp.Pop<u32>();
+        auto transaction = static_cast<TransactionId>(rp.Pop<u32>());
+        u32 flags = rp.Pop<u32>();
+        LOG_DEBUG(Service_VI, "called, transaction=%x", transaction);
+
+        auto& input_buffer = ctx.BufferDescriptorX()[0];
+        auto& output_buffer = ctx.BufferDescriptorC()[0];
+        std::vector<u8> input_data(input_buffer.size);
+        Memory::ReadBlock(input_buffer.Address(), input_data.data(), input_buffer.size);
+
+        TransactParcel(id, transaction, input_data, output_buffer.Address(), output_buffer.Size());
+
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
     }
@@ -551,7 +555,7 @@ private:
     }
 
     std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
-}; // namespace VI
+};
 
 class ISystemDisplayService final : public ServiceFramework<ISystemDisplayService> {
 public:
@@ -696,13 +700,18 @@ void IApplicationDisplayService::OpenLayer(Kernel::HLERequestContext& ctx) {
     u64 layer_id = rp.Pop<u64>();
     u64 aruid = rp.Pop<u64>();
 
+    auto& buffer = ctx.BufferDescriptorB()[0];
+
     u64 display_id = nv_flinger->OpenDisplay(display_name);
     u32 buffer_queue_id = nv_flinger->GetBufferQueueId(display_id, layer_id);
 
     NativeWindow native_window{buffer_queue_id};
+    auto data = native_window.Serialize();
+    Memory::WriteBlock(buffer.Address(), data.data(), data.size());
+
     IPC::ResponseBuilder rb = rp.MakeBuilder(4, 0, 0);
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u64>(ctx.WriteBuffer(native_window.Serialize()));
+    rb.Push<u64>(data.size());
 }
 
 void IApplicationDisplayService::CreateStrayLayer(Kernel::HLERequestContext& ctx) {
@@ -713,16 +722,21 @@ void IApplicationDisplayService::CreateStrayLayer(Kernel::HLERequestContext& ctx
     rp.Pop<u32>(); // padding
     u64 display_id = rp.Pop<u64>();
 
+    auto& buffer = ctx.BufferDescriptorB()[0];
+
     // TODO(Subv): What's the difference between a Stray and a Managed layer?
 
     u64 layer_id = nv_flinger->CreateLayer(display_id);
     u32 buffer_queue_id = nv_flinger->GetBufferQueueId(display_id, layer_id);
 
     NativeWindow native_window{buffer_queue_id};
+    auto data = native_window.Serialize();
+    Memory::WriteBlock(buffer.Address(), data.data(), data.size());
+
     IPC::ResponseBuilder rb = rp.MakeBuilder(6, 0, 0);
     rb.Push(RESULT_SUCCESS);
     rb.Push(layer_id);
-    rb.Push<u64>(ctx.WriteBuffer(native_window.Serialize()));
+    rb.Push<u64>(data.size());
 }
 
 void IApplicationDisplayService::DestroyStrayLayer(Kernel::HLERequestContext& ctx) {
@@ -748,7 +762,8 @@ void IApplicationDisplayService::SetLayerScalingMode(Kernel::HLERequestContext&
 void IApplicationDisplayService::ListDisplays(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     DisplayInfo display_info;
-    ctx.WriteBuffer(&display_info, sizeof(DisplayInfo));
+    auto& buffer = ctx.BufferDescriptorB()[0];
+    Memory::WriteBlock(buffer.Address(), &display_info, sizeof(DisplayInfo));
     IPC::ResponseBuilder rb = rp.MakeBuilder(4, 0, 0);
     rb.Push(RESULT_SUCCESS);
     rb.Push<u64>(1);

src/core/loader/deconstructed_rom_directory.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include "common/common_funcs.h"
 #include "common/common_paths.h"
 #include "common/file_util.h"
@@ -53,7 +52,6 @@ AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileUti
 FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& file,
                                                            const std::string& filepath) {
     bool is_main_found{};
-    bool is_npdm_found{};
     bool is_rtld_found{};
     bool is_sdk_found{};
 
@@ -68,9 +66,6 @@ FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& fil
         // Verify filename
         if (Common::ToLower(virtual_name) == "main") {
             is_main_found = true;
-        } else if (Common::ToLower(virtual_name) == "main.npdm") {
-            is_npdm_found = true;
-            return true;
         } else if (Common::ToLower(virtual_name) == "rtld") {
             is_rtld_found = true;
         } else if (Common::ToLower(virtual_name) == "sdk") {
@@ -87,14 +82,14 @@ FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& fil
         }
 
         // We are done if we've found and verified all required NSOs
-        return !(is_main_found && is_npdm_found && is_rtld_found && is_sdk_found);
+        return !(is_main_found && is_rtld_found && is_sdk_found);
     };
 
     // Search the directory recursively, looking for the required modules
     const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
     FileUtil::ForeachDirectoryEntry(nullptr, directory, callback);
 
-    if (is_main_found && is_npdm_found && is_rtld_found && is_sdk_found) {
+    if (is_main_found && is_rtld_found && is_sdk_found) {
         return FileType::DeconstructedRomDirectory;
     }
 
@@ -112,24 +107,16 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
 
     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";
-
-    ResultStatus result = metadata.Load(npdm_path);
-    if (result != ResultStatus::Success) {
-        return result;
-    }
-    metadata.Print();
-
     // Load NSO modules
     VAddr next_load_addr{Memory::PROCESS_IMAGE_VADDR};
+    const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
     for (const auto& module : {"rtld", "main", "subsdk0", "subsdk1", "subsdk2", "subsdk3",
                                "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);
+            LOG_DEBUG(Loader, "loaded module %s @ 0x%llx", module, load_addr);
         } else {
             next_load_addr = load_addr;
         }
@@ -139,8 +126,7 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
     process->address_mappings = default_address_mappings;
     process->resource_limit =
         Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
-    process->Run(Memory::PROCESS_IMAGE_VADDR, metadata.GetMainThreadPriority(),
-                 metadata.GetMainThreadStackSize());
+    process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
 
     // Find the RomFS by searching for a ".romfs" file in this directory
     filepath_romfs = FindRomFS(directory);
@@ -172,8 +158,8 @@ ResultStatus AppLoader_DeconstructedRomDirectory::ReadRomFS(
     offset = 0;
     size = romfs_file->GetSize();
 
-    LOG_DEBUG(Loader, "RomFS offset:           0x%016" PRIX64, offset);
-    LOG_DEBUG(Loader, "RomFS size:             0x%016" PRIX64, size);
+    LOG_DEBUG(Loader, "RomFS offset:           0x%08X", offset);
+    LOG_DEBUG(Loader, "RomFS size:             0x%08X", size);
 
     // Reset read pointer
     file.Seek(0, SEEK_SET);

src/core/loader/deconstructed_rom_directory.h

@@ -6,7 +6,6 @@
 
 #include <string>
 #include "common/common_types.h"
-#include "core/file_sys/program_metadata.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/loader/loader.h"
 
@@ -42,7 +41,6 @@ public:
 private:
     std::string filepath_romfs;
     std::string filepath;
-    FileSys::ProgramMetadata metadata;
 };
 
 } // namespace Loader

src/core/loader/nso.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include <vector>
 #include <lz4.h>
 #include "common/common_funcs.h"
@@ -83,7 +82,7 @@ static std::vector<u8> ReadSegment(FileUtil::IOFile& file, const NsoSegmentHeade
         reinterpret_cast<char*>(uncompressed_data.data()), compressed_size, header.size);
 
     ASSERT_MSG(bytes_uncompressed == header.size && bytes_uncompressed == uncompressed_data.size(),
-               "%d != %u != %zu", bytes_uncompressed, header.size, uncompressed_data.size());
+               "%d != %d != %d", bytes_uncompressed, header.size, uncompressed_data.size());
 
     return uncompressed_data;
 }
@@ -92,7 +91,7 @@ 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 +108,7 @@ 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("", 0);
     std::vector<u8> program_image;
     for (int i = 0; i < nso_header.segments.size(); ++i) {
         std::vector<u8> data =
@@ -158,9 +157,8 @@ ResultStatus AppLoader_NSO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
     process = Kernel::Process::Create("main");
 
     // Load module
-    LoadModule(filepath, Memory::PROCESS_IMAGE_VADDR, 0);
-    LOG_DEBUG(Loader, "loaded module %s @ 0x%" PRIx64, filepath.c_str(),
-              Memory::PROCESS_IMAGE_VADDR);
+    LoadModule(filepath, Memory::PROCESS_IMAGE_VADDR);
+    LOG_DEBUG(Loader, "loaded module %s @ 0x%llx", filepath.c_str(), Memory::PROCESS_IMAGE_VADDR);
 
     process->svc_access_mask.set();
     process->address_mappings = default_address_mappings;

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

@@ -4,7 +4,6 @@
 
 #include <algorithm>
 #include <array>
-#include <cinttypes>
 #include <cstring>
 #include <boost/optional.hpp>
 #include "common/assert.h"
@@ -39,12 +38,12 @@ PageTable* GetCurrentPageTable() {
 }
 
 static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, PageType type) {
-    LOG_DEBUG(HW_Memory, "Mapping %p onto %016" PRIX64 "-%016" PRIX64, memory, base * PAGE_SIZE,
+    LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE,
               (base + size) * PAGE_SIZE);
 
     VAddr end = base + size;
     while (base != end) {
-        ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %016" PRIX64, base);
+        ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %08X", base);
 
         page_table.attributes[base] = type;
         page_table.pointers[base] = memory;
@@ -56,14 +55,14 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
 }
 
 void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target) {
-    ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
-    ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
+    ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
+    ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
     MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
 }
 
 void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler) {
-    ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
-    ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
+    ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
+    ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
     MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
 
     auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
@@ -72,8 +71,8 @@ void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer
 }
 
 void UnmapRegion(PageTable& page_table, VAddr base, u64 size) {
-    ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
-    ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
+    ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
+    ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
     MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
 
     auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
@@ -118,15 +117,10 @@ boost::optional<T> ReadSpecial(VAddr addr);
 
 template <typename T>
 T Read(const VAddr vaddr) {
-    if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES) {
-        LOG_ERROR(HW_Memory, "Read%lu after page table @ 0x%016" PRIX64, sizeof(T) * 8, vaddr);
-        return 0;
-    }
-
     const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
     switch (type) {
     case PageType::Unmapped:
-        LOG_ERROR(HW_Memory, "unmapped Read%zu @ 0x%016" PRIX64, sizeof(T) * 8, vaddr);
+        LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%016llX", sizeof(T) * 8, vaddr);
         return 0;
     case PageType::Special: {
         if (auto result = ReadSpecial<T>(vaddr))
@@ -135,7 +129,7 @@ T Read(const VAddr vaddr) {
     }
     case PageType::Memory: {
         const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
-        ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %016" PRIX64, vaddr);
+        ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %08X", vaddr);
 
         T value;
         std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
@@ -151,17 +145,11 @@ bool WriteSpecial(VAddr addr, const T data);
 
 template <typename T>
 void Write(const VAddr vaddr, const T data) {
-    if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES) {
-        LOG_ERROR(HW_Memory, "Write%lu after page table 0x%08X @ 0x%016" PRIX64, sizeof(data) * 8,
-                  (u32)data, vaddr);
-        return;
-    }
-
     const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
     switch (type) {
     case PageType::Unmapped:
-        LOG_ERROR(HW_Memory, "unmapped Write%zu 0x%08X @ 0x%016" PRIX64, sizeof(data) * 8,
-                  static_cast<u32>(data), vaddr);
+        LOG_ERROR(HW_Memory, "unmapped Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data,
+                  vaddr);
         return;
     case PageType::Special: {
         if (WriteSpecial<T>(vaddr, data))
@@ -170,7 +158,7 @@ void Write(const VAddr vaddr, const T data) {
     }
     case PageType::Memory: {
         u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
-        ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %016" PRIX64, vaddr);
+        ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %08X", vaddr);
         std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
         return;
     }
@@ -215,7 +203,7 @@ u8* GetPointer(const VAddr vaddr) {
         return page_pointer + (vaddr & PAGE_MASK);
     }
 
-    LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%016" PRIx64, vaddr);
+    LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr);
     return nullptr;
 }
 
@@ -253,13 +241,12 @@ u8* GetPhysicalPointer(PAddr address) {
         });
 
     if (area == std::end(memory_areas)) {
-        LOG_ERROR(HW_Memory, "unknown GetPhysicalPointer @ 0x%016" PRIX64, address);
+        LOG_ERROR(HW_Memory, "unknown GetPhysicalPointer @ 0x%08X", address);
         return nullptr;
     }
 
     if (area->paddr_base == IO_AREA_PADDR) {
-        LOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr=0x%016" PRIX64,
-                  address);
+        LOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr=0x%08X", address);
         return nullptr;
     }
 
@@ -334,9 +321,7 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
 
         switch (page_table.attributes[page_index]) {
         case PageType::Unmapped:
-            LOG_ERROR(HW_Memory,
-                      "unmapped ReadBlock @ 0x%016" PRIX64 " (start address = 0x%" PRIx64
-                      ", size = %zu)",
+            LOG_ERROR(HW_Memory, "unmapped ReadBlock @ 0x%08X (start address = 0xllx, size = %zu)",
                       current_vaddr, src_addr, size);
             std::memset(dest_buffer, 0, copy_amount);
             break;
@@ -408,8 +393,7 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
         switch (page_table.attributes[page_index]) {
         case PageType::Unmapped:
             LOG_ERROR(HW_Memory,
-                      "unmapped WriteBlock @ 0x%016" PRIX64 " (start address = 0x%016" PRIX64
-                      ", size = %zu)",
+                      "unmapped WriteBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
                       current_vaddr, dest_addr, size);
             break;
         case PageType::Special:
@@ -453,9 +437,7 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
 
         switch (current_page_table->attributes[page_index]) {
         case PageType::Unmapped:
-            LOG_ERROR(HW_Memory,
-                      "unmapped ZeroBlock @ 0x%016" PRIX64 " (start address = 0x%016" PRIX64
-                      ", size = %zu)",
+            LOG_ERROR(HW_Memory, "unmapped ZeroBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
                       current_vaddr, dest_addr, size);
             break;
         case PageType::Special:
@@ -492,9 +474,7 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
 
         switch (current_page_table->attributes[page_index]) {
         case PageType::Unmapped:
-            LOG_ERROR(HW_Memory,
-                      "unmapped CopyBlock @ 0x%016" PRIX64 " (start address = 0x%016" PRIX64
-                      ", size = %zu)",
+            LOG_ERROR(HW_Memory, "unmapped CopyBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
                       current_vaddr, src_addr, size);
             ZeroBlock(dest_addr, copy_amount);
             break;
@@ -619,7 +599,7 @@ boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) {
 PAddr VirtualToPhysicalAddress(const VAddr addr) {
     auto paddr = TryVirtualToPhysicalAddress(addr);
     if (!paddr) {
-        LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%016" PRIX64, addr);
+        LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08X", addr);
         // To help with debugging, set bit on address so that it's obviously invalid.
         return addr | 0x80000000;
     }

src/core/memory.h

@@ -25,11 +25,10 @@ namespace Memory {
  * Page size used by the ARM architecture. This is the smallest granularity with which memory can
  * be mapped.
  */
-constexpr size_t PAGE_BITS = 12;
-constexpr u64 PAGE_SIZE = 1 << PAGE_BITS;
-constexpr u64 PAGE_MASK = PAGE_SIZE - 1;
-constexpr size_t ADDRESS_SPACE_BITS = 36;
-constexpr size_t PAGE_TABLE_NUM_ENTRIES = 1ULL << (ADDRESS_SPACE_BITS - PAGE_BITS);
+const int PAGE_BITS = 12;
+const u64 PAGE_SIZE = 1 << PAGE_BITS;
+const u64 PAGE_MASK = PAGE_SIZE - 1;
+const size_t PAGE_TABLE_NUM_ENTRIES = 1ULL << (36 - PAGE_BITS);
 
 enum class PageType : u8 {
     /// Page is unmapped and should cause an access error.

src/video_core/engines/maxwell_3d.cpp

@@ -2,50 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common/assert.h"
 #include "video_core/engines/maxwell_3d.h"
 
 namespace Tegra {
 namespace Engines {
 
-Maxwell3D::Maxwell3D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
+void Maxwell3D::WriteReg(u32 method, u32 value) {}
 
-void Maxwell3D::WriteReg(u32 method, u32 value) {
-    ASSERT_MSG(method < Regs::NUM_REGS,
-               "Invalid Maxwell3D register, increase the size of the Regs structure");
-
-    regs.reg_array[method] = value;
-
-#define MAXWELL3D_REG_INDEX(field_name) (offsetof(Regs, field_name) / sizeof(u32))
-
-    switch (method) {
-    case MAXWELL3D_REG_INDEX(query.query_get): {
-        ProcessQueryGet();
-        break;
-    }
-    default:
-        break;
-    }
-
-#undef MAXWELL3D_REG_INDEX
-}
-
-void Maxwell3D::ProcessQueryGet() {
-    GPUVAddr sequence_address = regs.query.QueryAddress();
-    // Since the sequence address is given as a GPU VAddr, we have to convert it to an application
-    // VAddr before writing.
-    VAddr address = memory_manager.PhysicalToVirtualAddress(sequence_address);
-
-    switch (regs.query.query_get.mode) {
-    case Regs::QueryMode::Write: {
-        // Write the current query sequence to the sequence address.
-        u32 sequence = regs.query.query_sequence;
-        Memory::Write32(address, sequence);
-        break;
-    }
-    default:
-        UNIMPLEMENTED_MSG("Query mode %u not implemented", regs.query.query_get.mode.Value());
-    }
-}
 } // namespace Engines
 } // namespace Tegra

src/video_core/engines/maxwell_3d.h

@@ -4,73 +4,19 @@
 
 #pragma once
 
-#include "common/bit_field.h"
-#include "common/common_funcs.h"
 #include "common/common_types.h"
-#include "video_core/memory_manager.h"
 
 namespace Tegra {
 namespace Engines {
 
 class Maxwell3D final {
 public:
-    explicit Maxwell3D(MemoryManager& memory_manager);
+    Maxwell3D() = default;
     ~Maxwell3D() = default;
 
     /// Write the value to the register identified by method.
     void WriteReg(u32 method, u32 value);
-
-    /// 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;
-
-        enum class QueryMode : u32 {
-            Write = 0,
-            Sync = 1,
-        };
-
-        union {
-            struct {
-                INSERT_PADDING_WORDS(0x6C0);
-                struct {
-                    u32 query_address_high;
-                    u32 query_address_low;
-                    u32 query_sequence;
-                    union {
-                        u32 raw;
-                        BitField<0, 2, QueryMode> mode;
-                        BitField<4, 1, u32> fence;
-                        BitField<12, 4, u32> unit;
-                    } query_get;
-
-                    GPUVAddr QueryAddress() const {
-                        return static_cast<GPUVAddr>(
-                            (static_cast<GPUVAddr>(query_address_high) << 32) | query_address_low);
-                    }
-                } query;
-                INSERT_PADDING_WORDS(0x772);
-            };
-            std::array<u32, NUM_REGS> reg_array;
-        };
-    } regs{};
-
-    static_assert(sizeof(Regs) == Regs::NUM_REGS * sizeof(u32), "Maxwell3D Regs has wrong size");
-
-private:
-    /// Handles a write to the QUERY_GET register.
-    void ProcessQueryGet();
-
-    MemoryManager& memory_manager;
 };
 
-#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(query, 0x6C0);
-
-#undef ASSERT_REG_POSITION
-
 } // namespace Engines
 } // namespace Tegra

src/video_core/gpu.h

@@ -26,7 +26,7 @@ class GPU final {
 public:
     GPU() {
         memory_manager = std::make_unique<MemoryManager>();
-        maxwell_3d = std::make_unique<Engines::Maxwell3D>(*memory_manager);
+        maxwell_3d = std::make_unique<Engines::Maxwell3D>();
         fermi_2d = std::make_unique<Engines::Fermi2D>();
         maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
     }

src/yuzu/debugger/wait_tree.cpp

@@ -5,7 +5,6 @@
 #include "yuzu/debugger/wait_tree.h"
 #include "yuzu/util/util.h"
 
-#include "core/core.h"
 #include "core/hle/kernel/condition_variable.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/kernel/mutex.h"
@@ -51,7 +50,7 @@ std::size_t WaitTreeItem::Row() const {
 }
 
 std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() {
-    const auto& threads = Core::System::GetInstance().Scheduler().GetThreadList();
+    const auto& threads = Kernel::GetThreadList();
     std::vector<std::unique_ptr<WaitTreeThread>> item_list;
     item_list.reserve(threads.size());
     for (std::size_t i = 0; i < threads.size(); ++i) {
@@ -169,7 +168,7 @@ QString WaitTreeThread::GetText() const {
     }
     QString pc_info = tr(" PC = 0x%1 LR = 0x%2")
                           .arg(thread.context.pc, 8, 16, QLatin1Char('0'))
-                          .arg(thread.context.cpu_registers[30], 8, 16, QLatin1Char('0'));
+                          .arg(thread.context.cpu_registers[31], 8, 16, QLatin1Char('0'));
     return WaitTreeWaitObject::GetText() + pc_info + " (" + status + ") ";
 }