correct merging error

Do a separate function in order to get Bytes Per Pixel of DepthFormat


Apply the new function in gpu.h


delete unneeded white space

.travis/common/travis-ci.env

@@ -1,12 +0,0 @@
-# List of environment variables to be shared with Docker containers
-CI
-TRAVIS
-CONTINUOUS_INTEGRATION
-TRAVIS_BRANCH
-TRAVIS_BUILD_ID
-TRAVIS_BUILD_NUMBER
-TRAVIS_COMMIT
-TRAVIS_JOB_ID
-TRAVIS_JOB_NUMBER
-TRAVIS_REPO_SLUG
-TRAVIS_TAG

.travis/linux/build.sh

@@ -1,3 +1,3 @@
 #!/bin/bash -ex
 
-docker run -e CCACHE_DIR=/ccache -v $HOME/.ccache:/ccache --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu ubuntu:18.04 /bin/bash /yuzu/.travis/linux/docker.sh
+docker run -e CCACHE_DIR=/ccache -v $HOME/.ccache:/ccache -v $(pwd):/yuzu ubuntu:18.04 /bin/bash /yuzu/.travis/linux/docker.sh

CMakeLists.txt

@@ -1,5 +1,5 @@
-cmake_minimum_required(VERSION 3.7)
-
+# CMake 3.6 required for FindBoost to define IMPORTED libs properly on unknown Boost versions
+cmake_minimum_required(VERSION 3.6)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules")
 include(DownloadExternals)
@@ -66,12 +66,10 @@ if (NOT ENABLE_GENERIC)
         detect_architecture("_M_AMD64" x86_64)
         detect_architecture("_M_IX86" x86)
         detect_architecture("_M_ARM" ARM)
-        detect_architecture("_M_ARM64" ARM64)
     else()
         detect_architecture("__x86_64__" x86_64)
         detect_architecture("__i386__" x86)
         detect_architecture("__arm__" ARM)
-        detect_architecture("__aarch64__" ARM64)
     endif()
 endif()
 
@@ -189,8 +187,8 @@ find_package(Threads REQUIRED)
 if (ENABLE_SDL2)
     if (YUZU_USE_BUNDLED_SDL2)
         # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
-            set(SDL2_VER "SDL2-2.0.8")
+        if (MSVC14 AND ARCHITECTURE_x86_64)
+            set(SDL2_VER "SDL2-2.0.5")
         else()
             message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable YUZU_USE_BUNDLED_SDL2 and provide your own.")
         endif()
@@ -222,7 +220,7 @@ if (YUZU_USE_BUNDLED_UNICORN)
     if (MSVC)
         message(STATUS "unicorn not found, falling back to bundled")
         # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
+        if (MSVC14 AND ARCHITECTURE_x86_64)
             set(UNICORN_VER "unicorn-yuzu")
         else()
             message(FATAL_ERROR "No bundled Unicorn binaries for your toolchain. Disable YUZU_USE_BUNDLED_UNICORN and provide your own.")
@@ -281,7 +279,7 @@ endif()
 
 if (ENABLE_QT)
     if (YUZU_USE_BUNDLED_QT)
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
+        if (MSVC14 AND ARCHITECTURE_x86_64)
             set(QT_VER qt-5.10.0-msvc2015_64)
         else()
             message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable YUZU_USE_BUNDLED_QT and provide your own.")
@@ -305,7 +303,7 @@ endif()
 # ======================================
 
 IF (APPLE)
-    find_library(COCOA_LIBRARY Cocoa)           # Umbrella framework for everything GUI-related
+    FIND_LIBRARY(COCOA_LIBRARY Cocoa)           # Umbrella framework for everything GUI-related
     set(PLATFORM_LIBRARIES ${COCOA_LIBRARY} ${IOKIT_LIBRARY} ${COREVIDEO_LIBRARY})
 
     if (CMAKE_CXX_COMPILER_ID STREQUAL Clang)

src/audio_core/CMakeLists.txt

@@ -1,8 +1,4 @@
 add_library(audio_core STATIC
-    algorithm/filter.cpp
-    algorithm/filter.h
-    algorithm/interpolate.cpp
-    algorithm/interpolate.h
     audio_out.cpp
     audio_out.h
     audio_renderer.cpp
@@ -11,12 +7,12 @@ add_library(audio_core STATIC
     codec.cpp
     codec.h
     null_sink.h
+    stream.cpp
+    stream.h
     sink.h
     sink_details.cpp
     sink_details.h
     sink_stream.h
-    stream.cpp
-    stream.h
 
     $<$<BOOL:${ENABLE_CUBEB}>:cubeb_sink.cpp cubeb_sink.h>
 )

src/audio_core/algorithm/filter.cpp

@@ -1,79 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#define _USE_MATH_DEFINES
-
-#include <algorithm>
-#include <array>
-#include <cmath>
-#include <vector>
-#include "audio_core/algorithm/filter.h"
-#include "common/common_types.h"
-
-namespace AudioCore {
-
-Filter Filter::LowPass(double cutoff, double Q) {
-    const double w0 = 2.0 * M_PI * cutoff;
-    const double sin_w0 = std::sin(w0);
-    const double cos_w0 = std::cos(w0);
-    const double alpha = sin_w0 / (2 * Q);
-
-    const double a0 = 1 + alpha;
-    const double a1 = -2.0 * cos_w0;
-    const double a2 = 1 - alpha;
-    const double b0 = 0.5 * (1 - cos_w0);
-    const double b1 = 1.0 * (1 - cos_w0);
-    const double b2 = 0.5 * (1 - cos_w0);
-
-    return {a0, a1, a2, b0, b1, b2};
-}
-
-Filter::Filter() : Filter(1.0, 0.0, 0.0, 1.0, 0.0, 0.0) {}
-
-Filter::Filter(double a0, double a1, double a2, double b0, double b1, double b2)
-    : a1(a1 / a0), a2(a2 / a0), b0(b0 / a0), b1(b1 / a0), b2(b2 / a0) {}
-
-void Filter::Process(std::vector<s16>& signal) {
-    const size_t num_frames = signal.size() / 2;
-    for (size_t i = 0; i < num_frames; i++) {
-        std::rotate(in.begin(), in.end() - 1, in.end());
-        std::rotate(out.begin(), out.end() - 1, out.end());
-
-        for (size_t ch = 0; ch < channel_count; ch++) {
-            in[0][ch] = signal[i * channel_count + ch];
-
-            out[0][ch] = b0 * in[0][ch] + b1 * in[1][ch] + b2 * in[2][ch] - a1 * out[1][ch] -
-                         a2 * out[2][ch];
-
-            signal[i * 2 + ch] = static_cast<s16>(std::clamp(out[0][ch], -32768.0, 32767.0));
-        }
-    }
-}
-
-/// Calculates the appropriate Q for each biquad in a cascading filter.
-/// @param total_count The total number of biquads to be cascaded.
-/// @param index 0-index of the biquad to calculate the Q value for.
-static double CascadingBiquadQ(size_t total_count, size_t index) {
-    const double pole = M_PI * (2 * index + 1) / (4.0 * total_count);
-    return 1.0 / (2.0 * std::cos(pole));
-}
-
-CascadingFilter CascadingFilter::LowPass(double cutoff, size_t cascade_size) {
-    std::vector<Filter> cascade(cascade_size);
-    for (size_t i = 0; i < cascade_size; i++) {
-        cascade[i] = Filter::LowPass(cutoff, CascadingBiquadQ(cascade_size, i));
-    }
-    return CascadingFilter{std::move(cascade)};
-}
-
-CascadingFilter::CascadingFilter() = default;
-CascadingFilter::CascadingFilter(std::vector<Filter> filters) : filters(std::move(filters)) {}
-
-void CascadingFilter::Process(std::vector<s16>& signal) {
-    for (auto& filter : filters) {
-        filter.Process(signal);
-    }
-}
-
-} // namespace AudioCore

src/audio_core/algorithm/filter.h

@@ -1,62 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <vector>
-#include "common/common_types.h"
-
-namespace AudioCore {
-
-/// Digital biquad filter:
-///
-///          b0 + b1 z^-1 + b2 z^-2
-///  H(z) = ------------------------
-///          a0 + a1 z^-1 + b2 z^-2
-class Filter {
-public:
-    /// Creates a low-pass filter.
-    /// @param cutoff Determines the cutoff frequency. A value from 0.0 to 1.0.
-    /// @param Q Determines the quality factor of this filter.
-    static Filter LowPass(double cutoff, double Q = 0.7071);
-
-    /// Passthrough filter.
-    Filter();
-
-    Filter(double a0, double a1, double a2, double b0, double b1, double b2);
-
-    void Process(std::vector<s16>& signal);
-
-private:
-    static constexpr size_t channel_count = 2;
-
-    /// Coefficients are in normalized form (a0 = 1.0).
-    double a1, a2, b0, b1, b2;
-    /// Input History
-    std::array<std::array<double, channel_count>, 3> in;
-    /// Output History
-    std::array<std::array<double, channel_count>, 3> out;
-};
-
-/// Cascade filters to build up higher-order filters from lower-order ones.
-class CascadingFilter {
-public:
-    /// Creates a cascading low-pass filter.
-    /// @param cutoff Determines the cutoff frequency. A value from 0.0 to 1.0.
-    /// @param cascade_size Number of biquads in cascade.
-    static CascadingFilter LowPass(double cutoff, size_t cascade_size);
-
-    /// Passthrough.
-    CascadingFilter();
-
-    explicit CascadingFilter(std::vector<Filter> filters);
-
-    void Process(std::vector<s16>& signal);
-
-private:
-    std::vector<Filter> filters;
-};
-
-} // namespace AudioCore

src/audio_core/algorithm/interpolate.cpp

@@ -1,71 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#define _USE_MATH_DEFINES
-
-#include <algorithm>
-#include <cmath>
-#include <vector>
-#include "audio_core/algorithm/interpolate.h"
-#include "common/common_types.h"
-#include "common/logging/log.h"
-
-namespace AudioCore {
-
-/// The Lanczos kernel
-static double Lanczos(size_t a, double x) {
-    if (x == 0.0)
-        return 1.0;
-    const double px = M_PI * x;
-    return a * std::sin(px) * std::sin(px / a) / (px * px);
-}
-
-std::vector<s16> Interpolate(InterpolationState& state, std::vector<s16> input, double ratio) {
-    if (input.size() < 2)
-        return {};
-
-    if (ratio <= 0) {
-        LOG_CRITICAL(Audio, "Nonsensical interpolation ratio {}", ratio);
-        ratio = 1.0;
-    }
-
-    if (ratio != state.current_ratio) {
-        const double cutoff_frequency = std::min(0.5 / ratio, 0.5 * ratio);
-        state.nyquist = CascadingFilter::LowPass(std::clamp(cutoff_frequency, 0.0, 0.4), 3);
-        state.current_ratio = ratio;
-    }
-    state.nyquist.Process(input);
-
-    constexpr size_t taps = InterpolationState::lanczos_taps;
-    const size_t num_frames = input.size() / 2;
-
-    std::vector<s16> output;
-    output.reserve(static_cast<size_t>(input.size() / ratio + 4));
-
-    double& pos = state.position;
-    auto& h = state.history;
-    for (size_t i = 0; i < num_frames; ++i) {
-        std::rotate(h.begin(), h.end() - 1, h.end());
-        h[0][0] = input[i * 2 + 0];
-        h[0][1] = input[i * 2 + 1];
-
-        while (pos <= 1.0) {
-            double l = 0.0;
-            double r = 0.0;
-            for (size_t j = 0; j < h.size(); j++) {
-                l += Lanczos(taps, pos + j - taps + 1) * h[j][0];
-                r += Lanczos(taps, pos + j - taps + 1) * h[j][1];
-            }
-            output.emplace_back(static_cast<s16>(std::clamp(l, -32768.0, 32767.0)));
-            output.emplace_back(static_cast<s16>(std::clamp(r, -32768.0, 32767.0)));
-
-            pos += ratio;
-        }
-        pos -= 1.0;
-    }
-
-    return output;
-}
-
-} // namespace AudioCore

src/audio_core/algorithm/interpolate.h

@@ -1,43 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <vector>
-#include "audio_core/algorithm/filter.h"
-#include "common/common_types.h"
-
-namespace AudioCore {
-
-struct InterpolationState {
-    static constexpr size_t lanczos_taps = 4;
-    static constexpr size_t history_size = lanczos_taps * 2 - 1;
-
-    double current_ratio = 0.0;
-    CascadingFilter nyquist;
-    std::array<std::array<s16, 2>, history_size> history = {};
-    double position = 0;
-};
-
-/// Interpolates input signal to produce output signal.
-/// @param input The signal to interpolate.
-/// @param ratio Interpolation ratio.
-///              ratio > 1.0 results in fewer output samples.
-///              ratio < 1.0 results in more output samples.
-/// @returns Output signal.
-std::vector<s16> Interpolate(InterpolationState& state, std::vector<s16> input, double ratio);
-
-/// Interpolates input signal to produce output signal.
-/// @param input The signal to interpolate.
-/// @param input_rate The sample rate of input.
-/// @param output_rate The desired sample rate of the output.
-/// @returns Output signal.
-inline std::vector<s16> Interpolate(InterpolationState& state, std::vector<s16> input,
-                                    u32 input_rate, u32 output_rate) {
-    const double ratio = static_cast<double>(input_rate) / static_cast<double>(output_rate);
-    return Interpolate(state, std::move(input), ratio);
-}
-
-} // namespace AudioCore

src/audio_core/audio_renderer.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "audio_core/algorithm/interpolate.h"
 #include "audio_core/audio_renderer.h"
 #include "common/assert.h"
 #include "common/logging/log.h"
@@ -27,18 +26,6 @@ AudioRenderer::AudioRenderer(AudioRendererParameter params,
     QueueMixedBuffer(2);
 }
 
-u32 AudioRenderer::GetSampleRate() const {
-    return worker_params.sample_rate;
-}
-
-u32 AudioRenderer::GetSampleCount() const {
-    return worker_params.sample_count;
-}
-
-u32 AudioRenderer::GetMixBufferCount() const {
-    return worker_params.mix_buffer_count;
-}
-
 std::vector<u8> AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params) {
     // Copy UpdateDataHeader struct
     UpdateDataHeader config{};
@@ -200,8 +187,6 @@ void AudioRenderer::VoiceState::RefreshBuffer() {
         break;
     }
 
-    samples = Interpolate(interp_state, std::move(samples), Info().sample_rate, STREAM_SAMPLE_RATE);
-
     is_refresh_pending = false;
 }
 
@@ -227,7 +212,7 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
                 break;
             }
 
-            samples_remaining -= samples.size() / stream->GetNumChannels();
+            samples_remaining -= samples.size();
 
             for (const auto& sample : samples) {
                 const s32 buffer_sample{buffer[offset]};

src/audio_core/audio_renderer.h

@@ -8,7 +8,6 @@
 #include <memory>
 #include <vector>
 
-#include "audio_core/algorithm/interpolate.h"
 #include "audio_core/audio_out.h"
 #include "audio_core/codec.h"
 #include "audio_core/stream.h"
@@ -27,7 +26,7 @@ enum class PlayState : u8 {
 struct AudioRendererParameter {
     u32_le sample_rate;
     u32_le sample_count;
-    u32_le mix_buffer_count;
+    u32_le unknown_8;
     u32_le unknown_c;
     u32_le voice_count;
     u32_le sink_count;
@@ -161,9 +160,6 @@ public:
     std::vector<u8> UpdateAudioRenderer(const std::vector<u8>& input_params);
     void QueueMixedBuffer(Buffer::Tag tag);
     void ReleaseAndQueueBuffers();
-    u32 GetSampleRate() const;
-    u32 GetSampleCount() const;
-    u32 GetMixBufferCount() const;
 
 private:
     class VoiceState {
@@ -195,7 +191,6 @@ private:
         size_t wave_index{};
         size_t offset{};
         Codec::ADPCMState adpcm_state{};
-        InterpolationState interp_state{};
         std::vector<s16> samples;
         VoiceOutStatus out_status{};
         VoiceInfo info{};

src/audio_core/cubeb_sink.cpp

@@ -4,7 +4,6 @@
 
 #include <algorithm>
 #include <cstring>
-#include <mutex>
 
 #include "audio_core/cubeb_sink.h"
 #include "audio_core/stream.h"
@@ -67,8 +66,6 @@ public:
             return;
         }
 
-        std::lock_guard lock{queue_mutex};
-
         queue.reserve(queue.size() + samples.size() * GetNumChannels());
 
         if (is_6_channel) {
@@ -97,7 +94,6 @@ private:
     u32 num_channels{};
     bool is_6_channel{};
 
-    std::mutex queue_mutex;
     std::vector<s16> queue;
 
     static long DataCallback(cubeb_stream* stream, void* user_data, const void* input_buffer,
@@ -157,8 +153,6 @@ long SinkStreamImpl::DataCallback(cubeb_stream* stream, void* user_data, const v
         return {};
     }
 
-    std::lock_guard lock{impl->queue_mutex};
-
     const size_t frames_to_write{
         std::min(impl->queue.size() / impl->GetNumChannels(), static_cast<size_t>(num_frames))};
 

src/common/CMakeLists.txt

@@ -29,6 +29,8 @@ add_library(common STATIC
     assert.h
     bit_field.h
     bit_set.h
+    break_points.cpp
+    break_points.h
     cityhash.cpp
     cityhash.h
     color.h
@@ -38,8 +40,6 @@ add_library(common STATIC
     file_util.cpp
     file_util.h
     hash.h
-    hex_util.cpp
-    hex_util.h
     logging/backend.cpp
     logging/backend.h
     logging/filter.cpp

src/common/bit_field.h

@@ -178,7 +178,8 @@ public:
         return ExtractValue(storage);
     }
 
-    constexpr explicit operator bool() const {
+    // TODO: we may want to change this to explicit operator bool() if it's bug-free in VS2015
+    constexpr FORCE_INLINE bool ToBool() const {
         return Value() != 0;
     }
 

src/common/break_points.cpp

@@ -0,0 +1,90 @@
+// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <sstream>
+#include "common/break_points.h"
+
+bool BreakPoints::IsAddressBreakPoint(u32 iAddress) const {
+    auto cond = [&iAddress](const TBreakPoint& bp) { return bp.iAddress == iAddress; };
+    auto it = std::find_if(m_BreakPoints.begin(), m_BreakPoints.end(), cond);
+    return it != m_BreakPoints.end();
+}
+
+bool BreakPoints::IsTempBreakPoint(u32 iAddress) const {
+    auto cond = [&iAddress](const TBreakPoint& bp) {
+        return bp.iAddress == iAddress && bp.bTemporary;
+    };
+    auto it = std::find_if(m_BreakPoints.begin(), m_BreakPoints.end(), cond);
+    return it != m_BreakPoints.end();
+}
+
+BreakPoints::TBreakPointsStr BreakPoints::GetStrings() const {
+    TBreakPointsStr bps;
+    for (auto breakpoint : m_BreakPoints) {
+        if (!breakpoint.bTemporary) {
+            std::stringstream bp;
+            bp << std::hex << breakpoint.iAddress << " " << (breakpoint.bOn ? "n" : "");
+            bps.push_back(bp.str());
+        }
+    }
+
+    return bps;
+}
+
+void BreakPoints::AddFromStrings(const TBreakPointsStr& bps) {
+    for (auto bps_item : bps) {
+        TBreakPoint bp;
+        std::stringstream bpstr;
+        bpstr << std::hex << bps_item;
+        bpstr >> bp.iAddress;
+        bp.bOn = bps_item.find("n") != bps_item.npos;
+        bp.bTemporary = false;
+        Add(bp);
+    }
+}
+
+void BreakPoints::Add(const TBreakPoint& bp) {
+    if (!IsAddressBreakPoint(bp.iAddress)) {
+        m_BreakPoints.push_back(bp);
+        // if (jit)
+        //    jit->GetBlockCache()->InvalidateICache(bp.iAddress, 4);
+    }
+}
+
+void BreakPoints::Add(u32 em_address, bool temp) {
+    if (!IsAddressBreakPoint(em_address)) // only add new addresses
+    {
+        TBreakPoint pt; // breakpoint settings
+        pt.bOn = true;
+        pt.bTemporary = temp;
+        pt.iAddress = em_address;
+
+        m_BreakPoints.push_back(pt);
+
+        // if (jit)
+        //    jit->GetBlockCache()->InvalidateICache(em_address, 4);
+    }
+}
+
+void BreakPoints::Remove(u32 em_address) {
+    auto cond = [&em_address](const TBreakPoint& bp) { return bp.iAddress == em_address; };
+    auto it = std::find_if(m_BreakPoints.begin(), m_BreakPoints.end(), cond);
+    if (it != m_BreakPoints.end())
+        m_BreakPoints.erase(it);
+}
+
+void BreakPoints::Clear() {
+    // if (jit)
+    //{
+    //    std::for_each(m_BreakPoints.begin(), m_BreakPoints.end(),
+    //        [](const TBreakPoint& bp)
+    //        {
+    //            jit->GetBlockCache()->InvalidateICache(bp.iAddress, 4);
+    //        }
+    //    );
+    //}
+
+    m_BreakPoints.clear();
+}

src/common/break_points.h

@@ -0,0 +1,49 @@
+// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+#include <vector>
+#include "common/common_types.h"
+
+class DebugInterface;
+
+struct TBreakPoint {
+    u32 iAddress;
+    bool bOn;
+    bool bTemporary;
+};
+
+// Code breakpoints.
+class BreakPoints {
+public:
+    typedef std::vector<TBreakPoint> TBreakPoints;
+    typedef std::vector<std::string> TBreakPointsStr;
+
+    const TBreakPoints& GetBreakPoints() {
+        return m_BreakPoints;
+    }
+
+    TBreakPointsStr GetStrings() const;
+    void AddFromStrings(const TBreakPointsStr& bps);
+
+    // is address breakpoint
+    bool IsAddressBreakPoint(u32 iAddress) const;
+    bool IsTempBreakPoint(u32 iAddress) const;
+
+    // Add BreakPoint
+    void Add(u32 em_address, bool temp = false);
+    void Add(const TBreakPoint& bp);
+
+    // Remove Breakpoint
+    void Remove(u32 iAddress);
+    void Clear();
+
+    void DeleteByAddress(u32 Address);
+
+private:
+    TBreakPoints m_BreakPoints;
+    u32 m_iBreakOnCount;
+};

src/common/file_util.cpp

@@ -750,12 +750,6 @@ std::string GetHactoolConfigurationPath() {
 #endif
 }
 
-std::string GetNANDRegistrationDir(bool system) {
-    if (system)
-        return GetUserPath(UserPath::NANDDir) + "system/Contents/registered/";
-    return GetUserPath(UserPath::NANDDir) + "user/Contents/registered/";
-}
-
 size_t WriteStringToFile(bool text_file, const std::string& str, const char* filename) {
     return FileUtil::IOFile(filename, text_file ? "w" : "wb").WriteBytes(str.data(), str.size());
 }
@@ -764,7 +758,7 @@ size_t ReadFileToString(bool text_file, const char* filename, std::string& str)
     IOFile file(filename, text_file ? "r" : "rb");
 
     if (!file.IsOpen())
-        return 0;
+        return false;
 
     str.resize(static_cast<u32>(file.GetSize()));
     return file.ReadArray(&str[0], str.size());

src/common/file_util.h

@@ -129,8 +129,6 @@ const std::string& GetUserPath(UserPath path, const std::string& new_path = "");
 
 std::string GetHactoolConfigurationPath();
 
-std::string GetNANDRegistrationDir(bool system = false);
-
 // Returns the path to where the sys file are
 std::string GetSysDirectory();
 

src/common/hex_util.cpp

@@ -1,43 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/hex_util.h"
-#include "common/logging/log.h"
-
-namespace Common {
-
-u8 ToHexNibble(char c1) {
-    if (c1 >= 65 && c1 <= 70)
-        return c1 - 55;
-    if (c1 >= 97 && c1 <= 102)
-        return c1 - 87;
-    if (c1 >= 48 && c1 <= 57)
-        return c1 - 48;
-    LOG_ERROR(Common, "Invalid hex digit: 0x{:02X}", c1);
-    return 0;
-}
-
-std::array<u8, 16> operator""_array16(const char* str, size_t len) {
-    if (len != 32) {
-        LOG_ERROR(Common,
-                  "Attempting to parse string to array that is not of correct size (expected=32, "
-                  "actual={}).",
-                  len);
-        return {};
-    }
-    return HexStringToArray<16>(str);
-}
-
-std::array<u8, 32> operator""_array32(const char* str, size_t len) {
-    if (len != 64) {
-        LOG_ERROR(Common,
-                  "Attempting to parse string to array that is not of correct size (expected=64, "
-                  "actual={}).",
-                  len);
-        return {};
-    }
-    return HexStringToArray<32>(str);
-}
-
-} // namespace Common

src/common/hex_util.h

@@ -1,41 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include <string>
-#include <fmt/format.h>
-#include "common/common_types.h"
-
-namespace Common {
-
-u8 ToHexNibble(char c1);
-
-template <size_t Size, bool le = false>
-std::array<u8, Size> HexStringToArray(std::string_view str) {
-    std::array<u8, Size> out{};
-    if constexpr (le) {
-        for (size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2)
-            out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
-    } else {
-        for (size_t i = 0; i < 2 * Size; i += 2)
-            out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
-    }
-    return out;
-}
-
-template <size_t Size>
-std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
-    std::string out;
-    for (u8 c : array)
-        out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
-    return out;
-}
-
-std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
-std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
-
-} // namespace Common

src/common/logging/backend.cpp

@@ -302,14 +302,13 @@ Backend* GetBackend(std::string_view backend_name) {
 void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
                        unsigned int line_num, const char* function, const char* format,
                        const fmt::format_args& args) {
-    auto& instance = Impl::Instance();
-    const auto& filter = instance.GetGlobalFilter();
+    auto filter = Impl::Instance().GetGlobalFilter();
     if (!filter.CheckMessage(log_class, log_level))
         return;
 
     Entry entry =
         CreateEntry(log_class, log_level, filename, line_num, function, fmt::vformat(format, args));
 
-    instance.PushEntry(std::move(entry));
+    Impl::Instance().PushEntry(std::move(entry));
 }
 } // namespace Log

src/common/logging/text_formatter.cpp

@@ -42,7 +42,7 @@ void PrintColoredMessage(const Entry& entry) {
         return;
     }
 
-    CONSOLE_SCREEN_BUFFER_INFO original_info = {};
+    CONSOLE_SCREEN_BUFFER_INFO original_info = {0};
     GetConsoleScreenBufferInfo(console_handle, &original_info);
 
     WORD color = 0;

src/common/misc.cpp

@@ -4,7 +4,7 @@
 
 #include <cstddef>
 #ifdef _WIN32
-#include <windows.h>
+#include <Windows.h>
 #else
 #include <cerrno>
 #include <cstring>

src/common/telemetry.cpp

@@ -3,15 +3,8 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <cstring>
-#include "common/assert.h"
-#include "common/scm_rev.h"
 #include "common/telemetry.h"
 
-#ifdef ARCHITECTURE_x86_64
-#include "common/x64/cpu_detect.h"
-#endif
-
 namespace Telemetry {
 
 void FieldCollection::Accept(VisitorInterface& visitor) const {
@@ -44,62 +37,4 @@ template class Field<std::string>;
 template class Field<const char*>;
 template class Field<std::chrono::microseconds>;
 
-#ifdef ARCHITECTURE_x86_64
-static const char* CpuVendorToStr(Common::CPUVendor vendor) {
-    switch (vendor) {
-    case Common::CPUVendor::INTEL:
-        return "Intel";
-    case Common::CPUVendor::AMD:
-        return "Amd";
-    case Common::CPUVendor::OTHER:
-        return "Other";
-    }
-    UNREACHABLE();
-}
-#endif
-
-void AppendBuildInfo(FieldCollection& fc) {
-    const bool is_git_dirty{std::strstr(Common::g_scm_desc, "dirty") != nullptr};
-    fc.AddField(FieldType::App, "Git_IsDirty", is_git_dirty);
-    fc.AddField(FieldType::App, "Git_Branch", Common::g_scm_branch);
-    fc.AddField(FieldType::App, "Git_Revision", Common::g_scm_rev);
-    fc.AddField(FieldType::App, "BuildDate", Common::g_build_date);
-    fc.AddField(FieldType::App, "BuildName", Common::g_build_name);
-}
-
-void AppendCPUInfo(FieldCollection& fc) {
-#ifdef ARCHITECTURE_x86_64
-    fc.AddField(FieldType::UserSystem, "CPU_Model", Common::GetCPUCaps().cpu_string);
-    fc.AddField(FieldType::UserSystem, "CPU_BrandString", Common::GetCPUCaps().brand_string);
-    fc.AddField(FieldType::UserSystem, "CPU_Vendor", CpuVendorToStr(Common::GetCPUCaps().vendor));
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_AES", Common::GetCPUCaps().aes);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_AVX", Common::GetCPUCaps().avx);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_AVX2", Common::GetCPUCaps().avx2);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_BMI1", Common::GetCPUCaps().bmi1);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_BMI2", Common::GetCPUCaps().bmi2);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_FMA", Common::GetCPUCaps().fma);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_FMA4", Common::GetCPUCaps().fma4);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_SSE", Common::GetCPUCaps().sse);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_SSE2", Common::GetCPUCaps().sse2);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_SSE3", Common::GetCPUCaps().sse3);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_SSSE3", Common::GetCPUCaps().ssse3);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_SSE41", Common::GetCPUCaps().sse4_1);
-    fc.AddField(FieldType::UserSystem, "CPU_Extension_x64_SSE42", Common::GetCPUCaps().sse4_2);
-#else
-    fc.AddField(FieldType::UserSystem, "CPU_Model", "Other");
-#endif
-}
-
-void AppendOSInfo(FieldCollection& fc) {
-#ifdef __APPLE__
-    fc.AddField(FieldType::UserSystem, "OsPlatform", "Apple");
-#elif defined(_WIN32)
-    fc.AddField(FieldType::UserSystem, "OsPlatform", "Windows");
-#elif defined(__linux__) || defined(linux) || defined(__linux)
-    fc.AddField(FieldType::UserSystem, "OsPlatform", "Linux");
-#else
-    fc.AddField(FieldType::UserSystem, "OsPlatform", "Unknown");
-#endif
-}
-
 } // namespace Telemetry

src/common/telemetry.h

@@ -180,16 +180,4 @@ struct NullVisitor : public VisitorInterface {
     void Complete() override {}
 };
 
-/// Appends build-specific information to the given FieldCollection,
-/// such as branch name, revision hash, etc.
-void AppendBuildInfo(FieldCollection& fc);
-
-/// Appends CPU-specific information to the given FieldCollection,
-/// such as instruction set extensions, etc.
-void AppendCPUInfo(FieldCollection& fc);
-
-/// Appends OS-specific information to the given FieldCollection,
-/// such as platform name, etc.
-void AppendOSInfo(FieldCollection& fc);
-
 } // namespace Telemetry

src/common/thread_queue_list.h

@@ -16,7 +16,7 @@ struct ThreadQueueList {
     //               (dynamically resizable) circular buffers to remove their overhead when
     //               inserting and popping.
 
-    using Priority = unsigned int;
+    typedef unsigned int Priority;
 
     // Number of priority levels. (Valid levels are [0..NUM_QUEUES).)
     static const Priority NUM_QUEUES = N;
@@ -26,9 +26,9 @@ struct ThreadQueueList {
     }
 
     // Only for debugging, returns priority level.
-    Priority contains(const T& uid) const {
+    Priority contains(const T& uid) {
         for (Priority i = 0; i < NUM_QUEUES; ++i) {
-            const Queue& cur = queues[i];
+            Queue& cur = queues[i];
             if (std::find(cur.data.cbegin(), cur.data.cend(), uid) != cur.data.cend()) {
                 return i;
             }
@@ -37,8 +37,8 @@ struct ThreadQueueList {
         return -1;
     }
 
-    T get_first() const {
-        const Queue* cur = first;
+    T get_first() {
+        Queue* cur = first;
         while (cur != nullptr) {
             if (!cur->data.empty()) {
                 return cur->data.front();

src/common/x64/xbyak_abi.h

@@ -9,9 +9,10 @@
 #include "common/assert.h"
 #include "common/bit_set.h"
 
-namespace Common::X64 {
+namespace Common {
+namespace X64 {
 
-inline int RegToIndex(const Xbyak::Reg& reg) {
+int RegToIndex(const Xbyak::Reg& reg) {
     using Kind = Xbyak::Reg::Kind;
     ASSERT_MSG((reg.getKind() & (Kind::REG | Kind::XMM)) != 0,
                "RegSet only support GPRs and XMM registers.");
@@ -151,8 +152,8 @@ constexpr size_t ABI_SHADOW_SPACE = 0;
 
 #endif
 
-inline void ABI_CalculateFrameSize(BitSet32 regs, size_t rsp_alignment, size_t needed_frame_size,
-                                   s32* out_subtraction, s32* out_xmm_offset) {
+void ABI_CalculateFrameSize(BitSet32 regs, size_t rsp_alignment, size_t needed_frame_size,
+                            s32* out_subtraction, s32* out_xmm_offset) {
     int count = (regs & ABI_ALL_GPRS).Count();
     rsp_alignment -= count * 8;
     size_t subtraction = 0;
@@ -173,8 +174,8 @@ inline void ABI_CalculateFrameSize(BitSet32 regs, size_t rsp_alignment, size_t n
     *out_xmm_offset = (s32)(subtraction - xmm_base_subtraction);
 }
 
-inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
-                                              size_t rsp_alignment, size_t needed_frame_size = 0) {
+size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
+                                       size_t rsp_alignment, size_t needed_frame_size = 0) {
     s32 subtraction, xmm_offset;
     ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size, &subtraction, &xmm_offset);
 
@@ -194,8 +195,8 @@ inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet
     return ABI_SHADOW_SPACE;
 }
 
-inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
-                                           size_t rsp_alignment, size_t needed_frame_size = 0) {
+void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs, size_t rsp_alignment,
+                                    size_t needed_frame_size = 0) {
     s32 subtraction, xmm_offset;
     ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size, &subtraction, &xmm_offset);
 
@@ -216,4 +217,5 @@ inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32
     }
 }
 
-} // namespace Common::X64
+} // namespace X64
+} // namespace Common

src/common/x64/xbyak_util.h

@@ -8,7 +8,8 @@
 #include <xbyak.h>
 #include "common/x64/xbyak_abi.h"
 
-namespace Common::X64 {
+namespace Common {
+namespace X64 {
 
 // Constants for use with cmpps/cmpss
 enum {
@@ -44,4 +45,5 @@ inline void CallFarFunction(Xbyak::CodeGenerator& code, const T f) {
     }
 }
 
-} // namespace Common::X64
+} // namespace X64
+} // namespace Common

src/core/CMakeLists.txt

@@ -20,10 +20,6 @@ add_library(core STATIC
     crypto/key_manager.h
     crypto/ctr_encryption_layer.cpp
     crypto/ctr_encryption_layer.h
-    crypto/xts_encryption_layer.cpp
-    crypto/xts_encryption_layer.h
-    file_sys/bis_factory.cpp
-    file_sys/bis_factory.h
     file_sys/card_image.cpp
     file_sys/card_image.h
     file_sys/content_archive.cpp
@@ -33,14 +29,10 @@ add_library(core STATIC
     file_sys/directory.h
     file_sys/errors.h
     file_sys/mode.h
-    file_sys/nca_metadata.cpp
-    file_sys/nca_metadata.h
     file_sys/partition_filesystem.cpp
     file_sys/partition_filesystem.h
     file_sys/program_metadata.cpp
     file_sys/program_metadata.h
-    file_sys/registered_cache.cpp
-    file_sys/registered_cache.h
     file_sys/romfs.cpp
     file_sys/romfs.h
     file_sys/romfs_factory.cpp
@@ -51,16 +43,12 @@ add_library(core STATIC
     file_sys/sdmc_factory.h
     file_sys/vfs.cpp
     file_sys/vfs.h
-    file_sys/vfs_concat.cpp
-    file_sys/vfs_concat.h
     file_sys/vfs_offset.cpp
     file_sys/vfs_offset.h
     file_sys/vfs_real.cpp
     file_sys/vfs_real.h
     file_sys/vfs_vector.cpp
     file_sys/vfs_vector.h
-    file_sys/xts_archive.cpp
-    file_sys/xts_archive.h
     frontend/emu_window.cpp
     frontend/emu_window.h
     frontend/framebuffer_layout.cpp
@@ -126,8 +114,6 @@ add_library(core STATIC
     hle/service/acc/acc_u0.h
     hle/service/acc/acc_u1.cpp
     hle/service/acc/acc_u1.h
-    hle/service/acc/profile_manager.cpp
-    hle/service/acc/profile_manager.h
     hle/service/am/am.cpp
     hle/service/am/am.h
     hle/service/am/applet_ae.cpp
@@ -263,10 +249,6 @@ add_library(core STATIC
     hle/service/nvdrv/devices/nvhost_gpu.h
     hle/service/nvdrv/devices/nvhost_nvdec.cpp
     hle/service/nvdrv/devices/nvhost_nvdec.h
-    hle/service/nvdrv/devices/nvhost_nvjpg.cpp
-    hle/service/nvdrv/devices/nvhost_nvjpg.h
-    hle/service/nvdrv/devices/nvhost_vic.cpp
-    hle/service/nvdrv/devices/nvhost_vic.h
     hle/service/nvdrv/devices/nvmap.cpp
     hle/service/nvdrv/devices/nvmap.h
     hle/service/nvdrv/interface.cpp
@@ -351,8 +333,6 @@ add_library(core STATIC
     loader/linker.h
     loader/loader.cpp
     loader/loader.h
-    loader/nax.cpp
-    loader/nax.h
     loader/nca.cpp
     loader/nca.h
     loader/nro.cpp

src/core/arm/arm_interface.h

@@ -8,8 +8,6 @@
 #include "common/common_types.h"
 #include "core/hle/kernel/vm_manager.h"
 
-namespace Core {
-
 /// Generic ARM11 CPU interface
 class ARM_Interface : NonCopyable {
 public:
@@ -124,5 +122,3 @@ public:
     /// Prepare core for thread reschedule (if needed to correctly handle state)
     virtual void PrepareReschedule() = 0;
 };
-
-} // namespace Core

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -14,8 +14,6 @@
 #include "core/hle/kernel/svc.h"
 #include "core/memory.h"
 
-namespace Core {
-
 using Vector = Dynarmic::A64::Vector;
 
 class ARM_Dynarmic_Callbacks : public Dynarmic::A64::UserCallbacks {
@@ -88,16 +86,7 @@ public:
     }
 
     void AddTicks(u64 ticks) override {
-        // Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
-        // rough approximation of the amount of executed ticks in the system, it may be thrown off
-        // if not all cores are doing a similar amount of work. Instead of doing this, we should
-        // device a way so that timing is consistent across all cores without increasing the ticks 4
-        // times.
-        u64 amortized_ticks = (ticks - num_interpreted_instructions) / Core::NUM_CPU_CORES;
-        // Always execute at least one tick.
-        amortized_ticks = std::max<u64>(amortized_ticks, 1);
-
-        CoreTiming::AddTicks(amortized_ticks);
+        CoreTiming::AddTicks(ticks - num_interpreted_instructions);
         num_interpreted_instructions = 0;
     }
     u64 GetTicksRemaining() override {
@@ -136,9 +125,6 @@ std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
     config.dczid_el0 = 4;
     config.ctr_el0 = 0x8444c004;
 
-    // Unpredictable instructions
-    config.define_unpredictable_behaviour = true;
-
     return std::make_unique<Dynarmic::A64::Jit>(config);
 }
 
@@ -248,7 +234,9 @@ void ARM_Dynarmic::LoadContext(const ThreadContext& ctx) {
 }
 
 void ARM_Dynarmic::PrepareReschedule() {
-    jit->HaltExecution();
+    if (jit->IsExecuting()) {
+        jit->HaltExecution();
+    }
 }
 
 void ARM_Dynarmic::ClearInstructionCache() {
@@ -302,5 +290,3 @@ bool DynarmicExclusiveMonitor::ExclusiveWrite128(size_t core_index, VAddr vaddr,
         Memory::Write64(vaddr, value[1]);
     });
 }
-
-} // namespace Core

src/core/arm/dynarmic/arm_dynarmic.h

@@ -12,8 +12,6 @@
 #include "core/arm/exclusive_monitor.h"
 #include "core/arm/unicorn/arm_unicorn.h"
 
-namespace Core {
-
 class ARM_Dynarmic_Callbacks;
 class DynarmicExclusiveMonitor;
 
@@ -83,5 +81,3 @@ private:
     friend class ARM_Dynarmic;
     Dynarmic::A64::ExclusiveMonitor monitor;
 };
-
-} // namespace Core

src/core/arm/exclusive_monitor.cpp

@@ -4,8 +4,4 @@
 
 #include "core/arm/exclusive_monitor.h"
 
-namespace Core {
-
 ExclusiveMonitor::~ExclusiveMonitor() = default;
-
-} // namespace Core

src/core/arm/exclusive_monitor.h

@@ -6,8 +6,6 @@
 
 #include "common/common_types.h"
 
-namespace Core {
-
 class ExclusiveMonitor {
 public:
     virtual ~ExclusiveMonitor();
@@ -21,5 +19,3 @@ public:
     virtual bool ExclusiveWrite64(size_t core_index, VAddr vaddr, u64 value) = 0;
     virtual bool ExclusiveWrite128(size_t core_index, VAddr vaddr, u128 value) = 0;
 };
-
-} // namespace Core

src/core/arm/unicorn/arm_unicorn.cpp

@@ -11,8 +11,6 @@
 #include "core/core_timing.h"
 #include "core/hle/kernel/svc.h"
 
-namespace Core {
-
 // Load Unicorn DLL once on Windows using RAII
 #ifdef _MSC_VER
 #include <unicorn_dynload.h>
@@ -213,7 +211,7 @@ void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
     }
 }
 
-void ARM_Unicorn::SaveContext(ThreadContext& ctx) {
+void ARM_Unicorn::SaveContext(ARM_Interface::ThreadContext& ctx) {
     int uregs[32];
     void* tregs[32];
 
@@ -240,7 +238,7 @@ void ARM_Unicorn::SaveContext(ThreadContext& ctx) {
     CHECKED(uc_reg_read_batch(uc, uregs, tregs, 32));
 }
 
-void ARM_Unicorn::LoadContext(const ThreadContext& ctx) {
+void ARM_Unicorn::LoadContext(const ARM_Interface::ThreadContext& ctx) {
     int uregs[32];
     void* tregs[32];
 
@@ -279,5 +277,3 @@ void ARM_Unicorn::RecordBreak(GDBStub::BreakpointAddress bkpt) {
     last_bkpt = bkpt;
     last_bkpt_hit = true;
 }
-
-} // namespace Core

src/core/arm/unicorn/arm_unicorn.h

@@ -9,8 +9,6 @@
 #include "core/arm/arm_interface.h"
 #include "core/gdbstub/gdbstub.h"
 
-namespace Core {
-
 class ARM_Unicorn final : public ARM_Interface {
 public:
     ARM_Unicorn();
@@ -48,5 +46,3 @@ private:
     GDBStub::BreakpointAddress last_bkpt{};
     bool last_bkpt_hit;
 };
-
-} // namespace Core

src/core/core.cpp

@@ -5,7 +5,6 @@
 #include <memory>
 #include <utility>
 #include "common/logging/log.h"
-#include "common/string_util.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/gdbstub/gdbstub.h"
@@ -18,7 +17,6 @@
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
 #include "core/settings.h"
-#include "file_sys/vfs_concat.h"
 #include "file_sys/vfs_real.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
@@ -90,39 +88,8 @@ System::ResultStatus System::SingleStep() {
     return RunLoop(false);
 }
 
-static FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
-                                                const std::string& path) {
-    // To account for split 00+01+etc files.
-    std::string dir_name;
-    std::string filename;
-    Common::SplitPath(path, &dir_name, &filename, nullptr);
-    if (filename == "00") {
-        const auto dir = vfs->OpenDirectory(dir_name, FileSys::Mode::Read);
-        std::vector<FileSys::VirtualFile> concat;
-        for (u8 i = 0; i < 0x10; ++i) {
-            auto next = dir->GetFile(fmt::format("{:02X}", i));
-            if (next != nullptr)
-                concat.push_back(std::move(next));
-            else {
-                next = dir->GetFile(fmt::format("{:02x}", i));
-                if (next != nullptr)
-                    concat.push_back(std::move(next));
-                else
-                    break;
-            }
-        }
-
-        if (concat.empty())
-            return nullptr;
-
-        return FileSys::ConcatenateFiles(concat, dir->GetName());
-    }
-
-    return vfs->OpenFile(path, FileSys::Mode::Read);
-}
-
-System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
-    app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
+System::ResultStatus System::Load(EmuWindow& emu_window, const std::string& filepath) {
+    app_loader = Loader::GetLoader(virtual_filesystem->OpenFile(filepath, FileSys::Mode::Read));
 
     if (!app_loader) {
         LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
@@ -135,7 +102,18 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
         LOG_CRITICAL(Core, "Failed to determine system mode (Error {})!",
                      static_cast<int>(system_mode.second));
 
-        return ResultStatus::ErrorSystemMode;
+        switch (system_mode.second) {
+        case Loader::ResultStatus::ErrorMissingKeys:
+            return ResultStatus::ErrorLoader_ErrorMissingKeys;
+        case Loader::ResultStatus::ErrorDecrypting:
+            return ResultStatus::ErrorLoader_ErrorDecrypting;
+        case Loader::ResultStatus::ErrorInvalidFormat:
+            return ResultStatus::ErrorLoader_ErrorInvalidFormat;
+        case Loader::ResultStatus::ErrorUnsupportedArch:
+            return ResultStatus::ErrorUnsupportedArch;
+        default:
+            return ResultStatus::ErrorSystemMode;
+        }
     }
 
     ResultStatus init_result{Init(emu_window)};
@@ -147,12 +125,22 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
     }
 
     const Loader::ResultStatus load_result{app_loader->Load(current_process)};
-    if (load_result != Loader::ResultStatus::Success) {
+    if (Loader::ResultStatus::Success != load_result) {
         LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
         System::Shutdown();
 
-        return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
-                                         static_cast<u32>(load_result));
+        switch (load_result) {
+        case Loader::ResultStatus::ErrorMissingKeys:
+            return ResultStatus::ErrorLoader_ErrorMissingKeys;
+        case Loader::ResultStatus::ErrorDecrypting:
+            return ResultStatus::ErrorLoader_ErrorDecrypting;
+        case Loader::ResultStatus::ErrorInvalidFormat:
+            return ResultStatus::ErrorLoader_ErrorInvalidFormat;
+        case Loader::ResultStatus::ErrorUnsupportedArch:
+            return ResultStatus::ErrorUnsupportedArch;
+        default:
+            return ResultStatus::ErrorLoader;
+        }
     }
     status = ResultStatus::Success;
     return status;
@@ -181,7 +169,7 @@ Cpu& System::CpuCore(size_t core_index) {
     return *cpu_cores[core_index];
 }
 
-System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
+System::ResultStatus System::Init(EmuWindow& emu_window) {
     LOG_DEBUG(HW_Memory, "initialized OK");
 
     CoreTiming::Init();

src/core/core.h

@@ -5,7 +5,6 @@
 #pragma once
 
 #include <array>
-#include <map>
 #include <memory>
 #include <string>
 #include <thread>
@@ -23,9 +22,8 @@
 #include "video_core/debug_utils/debug_utils.h"
 #include "video_core/gpu.h"
 
-namespace Core::Frontend {
 class EmuWindow;
-}
+class ARM_Interface;
 
 namespace Service::SM {
 class ServiceManager;
@@ -37,16 +35,8 @@ class RendererBase;
 
 namespace Core {
 
-class ARM_Interface;
-
 class System {
 public:
-    System(const System&) = delete;
-    System& operator=(const System&) = delete;
-
-    System(System&&) = delete;
-    System& operator=(System&&) = delete;
-
     ~System();
 
     /**
@@ -59,15 +49,21 @@ public:
 
     /// Enumeration representing the return values of the System Initialize and Load process.
     enum class ResultStatus : u32 {
-        Success,             ///< Succeeded
-        ErrorNotInitialized, ///< Error trying to use core prior to initialization
-        ErrorGetLoader,      ///< Error finding the correct application loader
-        ErrorSystemMode,     ///< Error determining the system mode
-        ErrorSystemFiles,    ///< Error in finding system files
-        ErrorSharedFont,     ///< Error in finding shared font
-        ErrorVideoCore,      ///< Error in the video core
-        ErrorUnknown,        ///< Any other error
-        ErrorLoader,         ///< The base for loader errors (too many to repeat)
+        Success,                      ///< Succeeded
+        ErrorNotInitialized,          ///< Error trying to use core prior to initialization
+        ErrorGetLoader,               ///< Error finding the correct application loader
+        ErrorSystemMode,              ///< Error determining the system mode
+        ErrorLoader,                  ///< Error loading the specified application
+        ErrorLoader_ErrorMissingKeys, ///< Error because the key/keys needed to run could not be
+                                      ///< found.
+        ErrorLoader_ErrorDecrypting,  ///< Error loading the specified application due to encryption
+        ErrorLoader_ErrorInvalidFormat, ///< Error loading the specified application due to an
+                                        /// invalid format
+        ErrorSystemFiles,               ///< Error in finding system files
+        ErrorSharedFont,                ///< Error in finding shared font
+        ErrorVideoCore,                 ///< Error in the video core
+        ErrorUnsupportedArch,           ///< Unsupported Architecture (32-Bit ROMs)
+        ErrorUnknown                    ///< Any other error
     };
 
     /**
@@ -109,7 +105,7 @@ public:
      * @param filepath String path to the executable application to load on the host file system.
      * @returns ResultStatus code, indicating if the operation succeeded.
      */
-    ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath);
+    ResultStatus Load(EmuWindow& emu_window, const std::string& filepath);
 
     /**
      * Indicates if the emulated system is powered on (all subsystems initialized and able to run an
@@ -188,13 +184,6 @@ public:
         return current_process;
     }
 
-    /// Gets the name of the current game
-    Loader::ResultStatus GetGameName(std::string& out) const {
-        if (app_loader == nullptr)
-            return Loader::ResultStatus::ErrorNotInitialized;
-        return app_loader->ReadTitle(out);
-    }
-
     PerfStats perf_stats;
     FrameLimiter frame_limiter;
 
@@ -244,7 +233,7 @@ private:
      *                   input.
      * @return ResultStatus code, indicating if the operation succeeded.
      */
-    ResultStatus Init(Frontend::EmuWindow& emu_window);
+    ResultStatus Init(EmuWindow& emu_window);
 
     /// RealVfsFilesystem instance
     FileSys::VirtualFilesystem virtual_filesystem;

src/core/core_cpu.cpp

@@ -14,7 +14,6 @@
 #include "core/core_timing.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
-#include "core/hle/lock.h"
 #include "core/settings.h"
 
 namespace Core {
@@ -91,7 +90,6 @@ void Cpu::RunLoop(bool tight_loop) {
         LOG_TRACE(Core, "Core-{} idling", core_index);
 
         if (IsMainCore()) {
-            // TODO(Subv): Only let CoreTiming idle if all 4 cores are idling.
             CoreTiming::Idle();
             CoreTiming::Advance();
         }
@@ -127,8 +125,6 @@ void Cpu::Reschedule() {
     }
 
     reschedule_pending = false;
-    // Lock the global kernel mutex when we manipulate the HLE state
-    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
     scheduler->Reschedule();
 }
 

src/core/core_cpu.h

@@ -12,14 +12,14 @@
 #include "common/common_types.h"
 #include "core/arm/exclusive_monitor.h"
 
+class ARM_Interface;
+
 namespace Kernel {
 class Scheduler;
 }
 
 namespace Core {
 
-class ARM_Interface;
-
 constexpr unsigned NUM_CPU_CORES{4};
 
 class CpuBarrier {
@@ -79,7 +79,7 @@ private:
     std::shared_ptr<CpuBarrier> cpu_barrier;
     std::shared_ptr<Kernel::Scheduler> scheduler;
 
-    std::atomic<bool> reschedule_pending = false;
+    bool reschedule_pending{};
     size_t core_index;
 };
 

src/core/core_timing.cpp

@@ -56,9 +56,6 @@ static u64 event_fifo_id;
 // to the event_queue by the emu thread
 static Common::MPSCQueue<Event, false> ts_queue;
 
-// the queue for unscheduling the events from other threads threadsafe
-static Common::MPSCQueue<std::pair<const EventType*, u64>, false> unschedule_queue;
-
 constexpr int MAX_SLICE_LENGTH = 20000;
 
 static s64 idled_cycles;
@@ -138,9 +135,11 @@ void ClearPendingEvents() {
 void ScheduleEvent(s64 cycles_into_future, const EventType* event_type, u64 userdata) {
     ASSERT(event_type != nullptr);
     s64 timeout = GetTicks() + cycles_into_future;
+
     // If this event needs to be scheduled before the next advance(), force one early
     if (!is_global_timer_sane)
         ForceExceptionCheck(cycles_into_future);
+
     event_queue.emplace_back(Event{timeout, event_fifo_id++, userdata, event_type});
     std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
 }
@@ -161,10 +160,6 @@ void UnscheduleEvent(const EventType* event_type, u64 userdata) {
     }
 }
 
-void UnscheduleEventThreadsafe(const EventType* event_type, u64 userdata) {
-    unschedule_queue.Push(std::make_pair(event_type, userdata));
-}
-
 void RemoveEvent(const EventType* event_type) {
     auto itr = std::remove_if(event_queue.begin(), event_queue.end(),
                               [&](const Event& e) { return e.type == event_type; });
@@ -201,9 +196,6 @@ void MoveEvents() {
 
 void Advance() {
     MoveEvents();
-    for (std::pair<const EventType*, u64> ev; unschedule_queue.Pop(ev);) {
-        UnscheduleEvent(ev.first, ev.second);
-    }
 
     int cycles_executed = slice_length - downcount;
     global_timer += cycles_executed;

src/core/core_timing.h

@@ -65,7 +65,6 @@ void ScheduleEvent(s64 cycles_into_future, const EventType* event_type, u64 user
 void ScheduleEventThreadsafe(s64 cycles_into_future, const EventType* event_type, u64 userdata);
 
 void UnscheduleEvent(const EventType* event_type, u64 userdata);
-void UnscheduleEventThreadsafe(const EventType* event_type, u64 userdata);
 
 /// We only permit one event of each type in the queue at a time.
 void RemoveEvent(const EventType* event_type);

src/core/crypto/aes_util.cpp

@@ -99,7 +99,10 @@ void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op
 template <typename Key, size_t KeySize>
 void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id,
                                            size_t sector_size, Op op) {
-    ASSERT_MSG(size % sector_size == 0, "XTS decryption size must be a multiple of sector size.");
+    if (size % sector_size > 0) {
+        LOG_CRITICAL(Crypto, "Data size must be a multiple of sector size.");
+        return;
+    }
 
     for (size_t i = 0; i < size; i += sector_size) {
         SetIV(CalculateNintendoTweak(sector_id++));
@@ -109,4 +112,4 @@ void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, size_t size, u8* dest,
 
 template class AESCipher<Key128>;
 template class AESCipher<Key256>;
-} // namespace Core::Crypto
+} // namespace Core::Crypto

src/core/crypto/ctr_encryption_layer.cpp

@@ -20,8 +20,10 @@ size_t CTREncryptionLayer::Read(u8* data, size_t length, size_t offset) const {
     if (sector_offset == 0) {
         UpdateIV(base_offset + offset);
         std::vector<u8> raw = base->ReadBytes(length, offset);
-        cipher.Transcode(raw.data(), raw.size(), data, Op::Decrypt);
-        return raw.size();
+        if (raw.size() != length)
+            return Read(data, raw.size(), offset);
+        cipher.Transcode(raw.data(), length, data, Op::Decrypt);
+        return length;
     }
 
     // offset does not fall on block boundary (0x10)
@@ -32,7 +34,7 @@ size_t CTREncryptionLayer::Read(u8* data, size_t length, size_t offset) const {
 
     if (length + sector_offset < 0x10) {
         std::memcpy(data, block.data() + sector_offset, std::min<u64>(length, read));
-        return std::min<u64>(length, read);
+        return read;
     }
     std::memcpy(data, block.data() + sector_offset, read);
     return read + Read(data + read, length - read, offset + read);

src/core/crypto/key_manager.cpp

@@ -10,112 +10,42 @@
 #include <string_view>
 #include "common/common_paths.h"
 #include "common/file_util.h"
-#include "common/hex_util.h"
-#include "common/logging/log.h"
-#include "core/crypto/aes_util.h"
 #include "core/crypto/key_manager.h"
 #include "core/settings.h"
 
 namespace Core::Crypto {
 
-Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed) {
-    Key128 out{};
+static u8 ToHexNibble(char c1) {
+    if (c1 >= 65 && c1 <= 70)
+        return c1 - 55;
+    if (c1 >= 97 && c1 <= 102)
+        return c1 - 87;
+    if (c1 >= 48 && c1 <= 57)
+        return c1 - 48;
+    throw std::logic_error("Invalid hex digit");
+}
 
-    AESCipher<Key128> cipher1(master, Mode::ECB);
-    cipher1.Transcode(kek_seed.data(), kek_seed.size(), out.data(), Op::Decrypt);
-    AESCipher<Key128> cipher2(out, Mode::ECB);
-    cipher2.Transcode(source.data(), source.size(), out.data(), Op::Decrypt);
-
-    if (key_seed != Key128{}) {
-        AESCipher<Key128> cipher3(out, Mode::ECB);
-        cipher3.Transcode(key_seed.data(), key_seed.size(), out.data(), Op::Decrypt);
+template <size_t Size>
+static std::array<u8, Size> HexStringToArray(std::string_view str) {
+    std::array<u8, Size> out{};
+    for (size_t i = 0; i < 2 * Size; i += 2) {
+        auto d1 = str[i];
+        auto d2 = str[i + 1];
+        out[i / 2] = (ToHexNibble(d1) << 4) | ToHexNibble(d2);
     }
-
     return out;
 }
 
-boost::optional<Key128> DeriveSDSeed() {
-    const FileUtil::IOFile save_43(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
-                                       "/system/save/8000000000000043",
-                                   "rb+");
-    if (!save_43.IsOpen())
-        return boost::none;
-    const FileUtil::IOFile sd_private(
-        FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir) + "/Nintendo/Contents/private", "rb+");
-    if (!sd_private.IsOpen())
-        return boost::none;
-
-    sd_private.Seek(0, SEEK_SET);
-    std::array<u8, 0x10> private_seed{};
-    if (sd_private.ReadBytes(private_seed.data(), private_seed.size()) != 0x10)
-        return boost::none;
-
-    std::array<u8, 0x10> buffer{};
-    size_t offset = 0;
-    for (; offset + 0x10 < save_43.GetSize(); ++offset) {
-        save_43.Seek(offset, SEEK_SET);
-        save_43.ReadBytes(buffer.data(), buffer.size());
-        if (buffer == private_seed)
-            break;
-    }
-
-    if (offset + 0x10 >= save_43.GetSize())
-        return boost::none;
-
-    Key128 seed{};
-    save_43.Seek(offset + 0x10, SEEK_SET);
-    save_43.ReadBytes(seed.data(), seed.size());
-    return seed;
+std::array<u8, 16> operator""_array16(const char* str, size_t len) {
+    if (len != 32)
+        throw std::logic_error("Not of correct size.");
+    return HexStringToArray<16>(str);
 }
 
-Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys) {
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK)))
-        return Loader::ResultStatus::ErrorMissingSDKEKSource;
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration)))
-        return Loader::ResultStatus::ErrorMissingAESKEKGenerationSource;
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)))
-        return Loader::ResultStatus::ErrorMissingAESKeyGenerationSource;
-
-    const auto sd_kek_source =
-        keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK));
-    const auto aes_kek_gen =
-        keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration));
-    const auto aes_key_gen =
-        keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration));
-    const auto master_00 = keys.GetKey(S128KeyType::Master);
-    const auto sd_kek =
-        GenerateKeyEncryptionKey(sd_kek_source, master_00, aes_kek_gen, aes_key_gen);
-
-    if (!keys.HasKey(S128KeyType::SDSeed))
-        return Loader::ResultStatus::ErrorMissingSDSeed;
-    const auto sd_seed = keys.GetKey(S128KeyType::SDSeed);
-
-    if (!keys.HasKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save)))
-        return Loader::ResultStatus::ErrorMissingSDSaveKeySource;
-    if (!keys.HasKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA)))
-        return Loader::ResultStatus::ErrorMissingSDNCAKeySource;
-
-    std::array<Key256, 2> sd_key_sources{
-        keys.GetKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save)),
-        keys.GetKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA)),
-    };
-
-    // Combine sources and seed
-    for (auto& source : sd_key_sources) {
-        for (size_t i = 0; i < source.size(); ++i)
-            source[i] ^= sd_seed[i & 0xF];
-    }
-
-    AESCipher<Key128> cipher(sd_kek, Mode::ECB);
-    // The transform manipulates sd_keys as part of the Transcode, so the return/output is
-    // unnecessary. This does not alter sd_keys_sources.
-    std::transform(sd_key_sources.begin(), sd_key_sources.end(), sd_keys.begin(),
-                   sd_key_sources.begin(), [&cipher](const Key256& source, Key256& out) {
-                       cipher.Transcode(source.data(), source.size(), out.data(), Op::Decrypt);
-                       return source; ///< Return unaltered source to satisfy output requirement.
-                   });
-
-    return Loader::ResultStatus::Success;
+std::array<u8, 32> operator""_array32(const char* str, size_t len) {
+    if (len != 64)
+        throw std::logic_error("Not of correct size.");
+    return HexStringToArray<32>(str);
 }
 
 KeyManager::KeyManager() {
@@ -125,15 +55,12 @@ KeyManager::KeyManager() {
     if (Settings::values.use_dev_keys) {
         dev_mode = true;
         AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "dev.keys", false);
-        AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "dev.keys_autogenerated", false);
     } else {
         dev_mode = false;
         AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "prod.keys", false);
-        AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "prod.keys_autogenerated", false);
     }
 
     AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "title.keys", true);
-    AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "title.keys_autogenerated", true);
 }
 
 void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
@@ -156,21 +83,21 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
         out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end());
 
         if (is_title_keys) {
-            auto rights_id_raw = Common::HexStringToArray<16>(out[0]);
+            auto rights_id_raw = HexStringToArray<16>(out[0]);
             u128 rights_id{};
             std::memcpy(rights_id.data(), rights_id_raw.data(), rights_id_raw.size());
-            Key128 key = Common::HexStringToArray<16>(out[1]);
-            s128_keys[{S128KeyType::Titlekey, rights_id[1], rights_id[0]}] = key;
+            Key128 key = HexStringToArray<16>(out[1]);
+            SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
         } else {
             std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower);
             if (s128_file_id.find(out[0]) != s128_file_id.end()) {
                 const auto index = s128_file_id.at(out[0]);
-                Key128 key = Common::HexStringToArray<16>(out[1]);
-                s128_keys[{index.type, index.field1, index.field2}] = key;
+                Key128 key = HexStringToArray<16>(out[1]);
+                SetKey(index.type, key, index.field1, index.field2);
             } else if (s256_file_id.find(out[0]) != s256_file_id.end()) {
                 const auto index = s256_file_id.at(out[0]);
-                Key256 key = Common::HexStringToArray<32>(out[1]);
-                s256_keys[{index.type, index.field1, index.field2}] = key;
+                Key256 key = HexStringToArray<32>(out[1]);
+                SetKey(index.type, key, index.field1, index.field2);
             }
         }
     }
@@ -204,50 +131,11 @@ Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) const {
     return s256_keys.at({id, field1, field2});
 }
 
-template <size_t Size>
-void KeyManager::WriteKeyToFile(bool title_key, std::string_view keyname,
-                                const std::array<u8, Size>& key) {
-    const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
-    std::string filename = "title.keys_autogenerated";
-    if (!title_key)
-        filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated";
-    const auto add_info_text = !FileUtil::Exists(yuzu_keys_dir + DIR_SEP + filename);
-    FileUtil::CreateFullPath(yuzu_keys_dir + DIR_SEP + filename);
-    std::ofstream file(yuzu_keys_dir + DIR_SEP + filename, std::ios::app);
-    if (!file.is_open())
-        return;
-    if (add_info_text) {
-        file
-            << "# This file is autogenerated by Yuzu\n"
-            << "# It serves to store keys that were automatically generated from the normal keys\n"
-            << "# If you are experiencing issues involving keys, it may help to delete this file\n";
-    }
-
-    file << fmt::format("\n{} = {}", keyname, Common::HexArrayToString(key));
-    AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, title_key);
-}
-
 void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
-    const auto iter = std::find_if(
-        s128_file_id.begin(), s128_file_id.end(),
-        [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) {
-            return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
-                   std::tie(id, field1, field2);
-        });
-    if (iter != s128_file_id.end())
-        WriteKeyToFile(id == S128KeyType::Titlekey, iter->first, key);
     s128_keys[{id, field1, field2}] = key;
 }
 
 void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
-    const auto iter = std::find_if(
-        s256_file_id.begin(), s256_file_id.end(),
-        [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S256KeyType>> elem) {
-            return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
-                   std::tie(id, field1, field2);
-        });
-    if (iter != s256_file_id.end())
-        WriteKeyToFile(false, iter->first, key);
     s256_keys[{id, field1, field2}] = key;
 }
 
@@ -268,16 +156,7 @@ bool KeyManager::KeyFileExists(bool title) {
            FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "prod.keys");
 }
 
-void KeyManager::DeriveSDSeedLazy() {
-    if (HasKey(S128KeyType::SDSeed))
-        return;
-
-    const auto res = DeriveSDSeed();
-    if (res != boost::none)
-        SetKey(S128KeyType::SDSeed, res.get());
-}
-
-const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
+const std::unordered_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
     {"master_key_00", {S128KeyType::Master, 0, 0}},
     {"master_key_01", {S128KeyType::Master, 1, 0}},
     {"master_key_02", {S128KeyType::Master, 2, 0}},
@@ -319,17 +198,11 @@ const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> KeyManager:
     {"key_area_key_system_02", {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::System)}},
     {"key_area_key_system_03", {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::System)}},
     {"key_area_key_system_04", {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::System)}},
-    {"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK), 0}},
-    {"aes_kek_generation_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration), 0}},
-    {"aes_key_generation_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}},
-    {"sd_seed", {S128KeyType::SDSeed, 0, 0}},
 };
 
-const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
+const std::unordered_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
     {"header_key", {S256KeyType::Header, 0, 0}},
-    {"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}},
-    {"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}},
+    {"sd_card_save_key", {S256KeyType::SDSave, 0, 0}},
+    {"sd_card_nca_key", {S256KeyType::SDNCA, 0, 0}},
 };
 } // namespace Core::Crypto

src/core/crypto/key_manager.h

@@ -6,13 +6,11 @@
 
 #include <array>
 #include <string>
-#include <string_view>
 #include <type_traits>
+#include <unordered_map>
 #include <vector>
-#include <boost/container/flat_map.hpp>
 #include <fmt/format.h>
 #include "common/common_types.h"
-#include "core/loader/loader.h"
 
 namespace Core::Crypto {
 
@@ -24,8 +22,9 @@ static_assert(sizeof(Key128) == 16, "Key128 must be 128 bytes big.");
 static_assert(sizeof(Key256) == 32, "Key128 must be 128 bytes big.");
 
 enum class S256KeyType : u64 {
-    Header,      //
-    SDKeySource, // f1=SDKeyType
+    Header, //
+    SDSave, //
+    SDNCA,  //
 };
 
 enum class S128KeyType : u64 {
@@ -37,7 +36,6 @@ enum class S128KeyType : u64 {
     KeyArea,       // f1=crypto revision f2=type {app, ocean, system}
     SDSeed,        //
     Titlekey,      // f1=rights id LSB f2=rights id MSB
-    Source,        // f1=source type, f2= sub id
 };
 
 enum class KeyAreaKeyType : u8 {
@@ -46,17 +44,6 @@ enum class KeyAreaKeyType : u8 {
     System,
 };
 
-enum class SourceKeyType : u8 {
-    SDKEK,
-    AESKEKGeneration,
-    AESKeyGeneration,
-};
-
-enum class SDKeyType : u8 {
-    Save,
-    NCA,
-};
-
 template <typename KeyType>
 struct KeyIndex {
     KeyType type;
@@ -72,12 +59,37 @@ struct KeyIndex {
     }
 };
 
-// boost flat_map requires operator< for O(log(n)) lookups.
+// The following two (== and hash) are so KeyIndex can be a key in unordered_map
+
 template <typename KeyType>
-bool operator<(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
-    return std::tie(lhs.type, lhs.field1, lhs.field2) < std::tie(rhs.type, rhs.field1, rhs.field2);
+bool operator==(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
+    return std::tie(lhs.type, lhs.field1, lhs.field2) == std::tie(rhs.type, rhs.field1, rhs.field2);
 }
 
+template <typename KeyType>
+bool operator!=(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
+    return !operator==(lhs, rhs);
+}
+
+} // namespace Core::Crypto
+
+namespace std {
+template <typename KeyType>
+struct hash<Core::Crypto::KeyIndex<KeyType>> {
+    size_t operator()(const Core::Crypto::KeyIndex<KeyType>& k) const {
+        using std::hash;
+
+        return ((hash<u64>()(static_cast<u64>(k.type)) ^ (hash<u64>()(k.field1) << 1)) >> 1) ^
+               (hash<u64>()(k.field2) << 1);
+    }
+};
+} // namespace std
+
+namespace Core::Crypto {
+
+std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
+std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
+
 class KeyManager {
 public:
     KeyManager();
@@ -93,27 +105,16 @@ public:
 
     static bool KeyFileExists(bool title);
 
-    // Call before using the sd seed to attempt to derive it if it dosen't exist. Needs system save
-    // 8*43 and the private file to exist.
-    void DeriveSDSeedLazy();
-
 private:
-    boost::container::flat_map<KeyIndex<S128KeyType>, Key128> s128_keys;
-    boost::container::flat_map<KeyIndex<S256KeyType>, Key256> s256_keys;
+    std::unordered_map<KeyIndex<S128KeyType>, Key128> s128_keys;
+    std::unordered_map<KeyIndex<S256KeyType>, Key256> s256_keys;
 
     bool dev_mode;
     void LoadFromFile(const std::string& filename, bool is_title_keys);
     void AttemptLoadKeyFile(const std::string& dir1, const std::string& dir2,
                             const std::string& filename, bool title);
-    template <size_t Size>
-    void WriteKeyToFile(bool title_key, std::string_view keyname, const std::array<u8, Size>& key);
 
-    static const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
-    static const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
+    static const std::unordered_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
+    static const std::unordered_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
 };
-
-Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed);
-boost::optional<Key128> DeriveSDSeed();
-Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys);
-
 } // namespace Core::Crypto

src/core/crypto/xts_encryption_layer.cpp

@@ -1,58 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <cstring>
-#include "common/assert.h"
-#include "core/crypto/xts_encryption_layer.h"
-
-namespace Core::Crypto {
-
-constexpr u64 XTS_SECTOR_SIZE = 0x4000;
-
-XTSEncryptionLayer::XTSEncryptionLayer(FileSys::VirtualFile base_, Key256 key_)
-    : EncryptionLayer(std::move(base_)), cipher(key_, Mode::XTS) {}
-
-size_t XTSEncryptionLayer::Read(u8* data, size_t length, size_t offset) const {
-    if (length == 0)
-        return 0;
-
-    const auto sector_offset = offset & 0x3FFF;
-    if (sector_offset == 0) {
-        if (length % XTS_SECTOR_SIZE == 0) {
-            std::vector<u8> raw = base->ReadBytes(length, offset);
-            cipher.XTSTranscode(raw.data(), raw.size(), data, offset / XTS_SECTOR_SIZE,
-                                XTS_SECTOR_SIZE, Op::Decrypt);
-            return raw.size();
-        }
-        if (length > XTS_SECTOR_SIZE) {
-            const auto rem = length % XTS_SECTOR_SIZE;
-            const auto read = length - rem;
-            return Read(data, read, offset) + Read(data + read, rem, offset + read);
-        }
-        std::vector<u8> buffer = base->ReadBytes(XTS_SECTOR_SIZE, offset);
-        if (buffer.size() < XTS_SECTOR_SIZE)
-            buffer.resize(XTS_SECTOR_SIZE);
-        cipher.XTSTranscode(buffer.data(), buffer.size(), buffer.data(), offset / XTS_SECTOR_SIZE,
-                            XTS_SECTOR_SIZE, Op::Decrypt);
-        std::memcpy(data, buffer.data(), std::min(buffer.size(), length));
-        return std::min(buffer.size(), length);
-    }
-
-    // offset does not fall on block boundary (0x4000)
-    std::vector<u8> block = base->ReadBytes(0x4000, offset - sector_offset);
-    if (block.size() < XTS_SECTOR_SIZE)
-        block.resize(XTS_SECTOR_SIZE);
-    cipher.XTSTranscode(block.data(), block.size(), block.data(),
-                        (offset - sector_offset) / XTS_SECTOR_SIZE, XTS_SECTOR_SIZE, Op::Decrypt);
-    const size_t read = XTS_SECTOR_SIZE - sector_offset;
-
-    if (length + sector_offset < XTS_SECTOR_SIZE) {
-        std::memcpy(data, block.data() + sector_offset, std::min<u64>(length, read));
-        return std::min<u64>(length, read);
-    }
-    std::memcpy(data, block.data() + sector_offset, read);
-    return read + Read(data + read, length - read, offset + read);
-}
-} // namespace Core::Crypto

src/core/crypto/xts_encryption_layer.h

@@ -1,25 +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/crypto/aes_util.h"
-#include "core/crypto/encryption_layer.h"
-#include "core/crypto/key_manager.h"
-
-namespace Core::Crypto {
-
-// Sits on top of a VirtualFile and provides XTS-mode AES decription.
-class XTSEncryptionLayer : public EncryptionLayer {
-public:
-    XTSEncryptionLayer(FileSys::VirtualFile base, Key256 key);
-
-    size_t Read(u8* data, size_t length, size_t offset) const override;
-
-private:
-    // Must be mutable as operations modify cipher contexts.
-    mutable AESCipher<Key256> cipher;
-};
-
-} // namespace Core::Crypto

src/core/file_sys/bis_factory.cpp

@@ -1,24 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "core/file_sys/bis_factory.h"
-
-namespace FileSys {
-
-BISFactory::BISFactory(VirtualDir nand_root_)
-    : nand_root(std::move(nand_root_)),
-      sysnand_cache(std::make_shared<RegisteredCache>(
-          GetOrCreateDirectoryRelative(nand_root, "/system/Contents/registered"))),
-      usrnand_cache(std::make_shared<RegisteredCache>(
-          GetOrCreateDirectoryRelative(nand_root, "/user/Contents/registered"))) {}
-
-std::shared_ptr<RegisteredCache> BISFactory::GetSystemNANDContents() const {
-    return sysnand_cache;
-}
-
-std::shared_ptr<RegisteredCache> BISFactory::GetUserNANDContents() const {
-    return usrnand_cache;
-}
-
-} // namespace FileSys

src/core/file_sys/bis_factory.h

@@ -1,30 +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/loader/loader.h"
-#include "registered_cache.h"
-
-namespace FileSys {
-
-/// File system interface to the Built-In Storage
-/// This is currently missing accessors to BIS partitions, but seemed like a good place for the NAND
-/// registered caches.
-class BISFactory {
-public:
-    explicit BISFactory(VirtualDir nand_root);
-
-    std::shared_ptr<RegisteredCache> GetSystemNANDContents() const;
-    std::shared_ptr<RegisteredCache> GetUserNANDContents() const;
-
-private:
-    VirtualDir nand_root;
-
-    std::shared_ptr<RegisteredCache> sysnand_cache;
-    std::shared_ptr<RegisteredCache> usrnand_cache;
-};
-
-} // namespace FileSys

src/core/file_sys/card_image.cpp

@@ -4,27 +4,22 @@
 
 #include <array>
 #include <string>
-
-#include <fmt/ostream.h>
-
+#include <core/loader/loader.h>
 #include "common/logging/log.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/partition_filesystem.h"
 #include "core/file_sys/vfs_offset.h"
-#include "core/loader/loader.h"
 
 namespace FileSys {
 
-constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure", "logo"};
-
 XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
     if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
-        status = Loader::ResultStatus::ErrorBadXCIHeader;
+        status = Loader::ResultStatus::ErrorInvalidFormat;
         return;
     }
 
     if (header.magic != Common::MakeMagic('H', 'E', 'A', 'D')) {
-        status = Loader::ResultStatus::ErrorBadXCIHeader;
+        status = Loader::ResultStatus::ErrorInvalidFormat;
         return;
     }
 
@@ -36,6 +31,9 @@ XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
         return;
     }
 
+    static constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure",
+                                                                     "logo"};
+
     for (XCIPartition partition :
          {XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
         auto raw = main_hfs.GetFile(partition_names[static_cast<size_t>(partition)]);
@@ -43,8 +41,6 @@ XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
             partitions[static_cast<size_t>(partition)] = std::make_shared<PartitionFilesystem>(raw);
     }
 
-    program_nca_status = Loader::ResultStatus::ErrorXCIMissingProgramNCA;
-
     auto result = AddNCAFromPartition(XCIPartition::Secure);
     if (result != Loader::ResultStatus::Success) {
         status = result;
@@ -78,10 +74,6 @@ Loader::ResultStatus XCI::GetStatus() const {
     return status;
 }
 
-Loader::ResultStatus XCI::GetProgramNCAStatus() const {
-    return program_nca_status;
-}
-
 VirtualDir XCI::GetPartition(XCIPartition partition) const {
     return partitions[static_cast<size_t>(partition)];
 }
@@ -102,10 +94,6 @@ VirtualDir XCI::GetLogoPartition() const {
     return GetPartition(XCIPartition::Logo);
 }
 
-const std::vector<std::shared_ptr<NCA>>& XCI::GetNCAs() const {
-    return ncas;
-}
-
 std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
     const auto iter =
         std::find_if(ncas.begin(), ncas.end(),
@@ -120,19 +108,19 @@ VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
     return nullptr;
 }
 
-std::vector<VirtualFile> XCI::GetFiles() const {
+std::vector<std::shared_ptr<VfsFile>> XCI::GetFiles() const {
     return {};
 }
 
-std::vector<VirtualDir> XCI::GetSubdirectories() const {
-    return {};
+std::vector<std::shared_ptr<VfsDirectory>> XCI::GetSubdirectories() const {
+    return std::vector<std::shared_ptr<VfsDirectory>>();
 }
 
 std::string XCI::GetName() const {
     return file->GetName();
 }
 
-VirtualDir XCI::GetParentDirectory() const {
+std::shared_ptr<VfsDirectory> XCI::GetParentDirectory() const {
     return file->GetContainingDirectory();
 }
 
@@ -142,27 +130,15 @@ bool XCI::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
 
 Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
     if (partitions[static_cast<size_t>(part)] == nullptr) {
-        return Loader::ResultStatus::ErrorXCIMissingPartition;
+        return Loader::ResultStatus::ErrorInvalidFormat;
     }
 
     for (const VirtualFile& file : partitions[static_cast<size_t>(part)]->GetFiles()) {
         if (file->GetExtension() != "nca")
             continue;
         auto nca = std::make_shared<NCA>(file);
-        // TODO(DarkLordZach): Add proper Rev1+ Support
-        if (nca->IsUpdate())
-            continue;
-        if (nca->GetType() == NCAContentType::Program) {
-            program_nca_status = nca->GetStatus();
-        }
-        if (nca->GetStatus() == Loader::ResultStatus::Success) {
+        if (nca->GetStatus() == Loader::ResultStatus::Success)
             ncas.push_back(std::move(nca));
-        } else {
-            const u16 error_id = static_cast<u16>(nca->GetStatus());
-            LOG_CRITICAL(Loader, "Could not load NCA {}/{}, failed with error code {:04X} ({})",
-                         partition_names[static_cast<size_t>(part)], nca->GetName(), error_id,
-                         nca->GetStatus());
-        }
     }
 
     return Loader::ResultStatus::Success;

src/core/file_sys/card_image.h

@@ -59,7 +59,6 @@ public:
     explicit XCI(VirtualFile file);
 
     Loader::ResultStatus GetStatus() const;
-    Loader::ResultStatus GetProgramNCAStatus() const;
 
     u8 GetFormatVersion() const;
 
@@ -69,17 +68,16 @@ public:
     VirtualDir GetUpdatePartition() const;
     VirtualDir GetLogoPartition() const;
 
-    const std::vector<std::shared_ptr<NCA>>& GetNCAs() const;
     std::shared_ptr<NCA> GetNCAByType(NCAContentType type) const;
     VirtualFile GetNCAFileByType(NCAContentType type) const;
 
-    std::vector<VirtualFile> GetFiles() const override;
+    std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
 
-    std::vector<VirtualDir> GetSubdirectories() const override;
+    std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
 
     std::string GetName() const override;
 
-    VirtualDir GetParentDirectory() const override;
+    std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
 
 protected:
     bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
@@ -91,7 +89,6 @@ private:
     GamecardHeader header{};
 
     Loader::ResultStatus status;
-    Loader::ResultStatus program_nca_status;
 
     std::vector<VirtualDir> partitions;
     std::vector<std::shared_ptr<NCA>> ncas;

src/core/file_sys/content_archive.cpp

@@ -113,27 +113,17 @@ boost::optional<Core::Crypto::Key128> NCA::GetKeyAreaKey(NCASectionCryptoType ty
     return out;
 }
 
-boost::optional<Core::Crypto::Key128> NCA::GetTitlekey() {
+boost::optional<Core::Crypto::Key128> NCA::GetTitlekey() const {
     const auto master_key_id = GetCryptoRevision();
 
     u128 rights_id{};
     memcpy(rights_id.data(), header.rights_id.data(), 16);
-    if (rights_id == u128{}) {
-        status = Loader::ResultStatus::ErrorInvalidRightsID;
+    if (rights_id == u128{})
         return boost::none;
-    }
 
     auto titlekey = keys.GetKey(Core::Crypto::S128KeyType::Titlekey, rights_id[1], rights_id[0]);
-    if (titlekey == Core::Crypto::Key128{}) {
-        status = Loader::ResultStatus::ErrorMissingTitlekey;
+    if (titlekey == Core::Crypto::Key128{})
         return boost::none;
-    }
-
-    if (!keys.HasKey(Core::Crypto::S128KeyType::Titlekek, master_key_id)) {
-        status = Loader::ResultStatus::ErrorMissingTitlekek;
-        return boost::none;
-    }
-
     Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(
         keys.GetKey(Core::Crypto::S128KeyType::Titlekek, master_key_id), Core::Crypto::Mode::ECB);
     cipher.Transcode(titlekey.data(), titlekey.size(), titlekey.data(), Core::Crypto::Op::Decrypt);
@@ -141,7 +131,7 @@ boost::optional<Core::Crypto::Key128> NCA::GetTitlekey() {
     return titlekey;
 }
 
-VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting_offset) {
+VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting_offset) const {
     if (!encrypted)
         return in;
 
@@ -153,22 +143,15 @@ VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting
         LOG_DEBUG(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset);
         {
             boost::optional<Core::Crypto::Key128> key = boost::none;
-            if (has_rights_id) {
-                status = Loader::ResultStatus::Success;
-                key = GetTitlekey();
-                if (key == boost::none) {
-                    if (status == Loader::ResultStatus::Success)
-                        status = Loader::ResultStatus::ErrorMissingTitlekey;
-                    return nullptr;
-                }
-            } else {
+            if (std::find_if_not(header.rights_id.begin(), header.rights_id.end(),
+                                 [](char c) { return c == 0; }) == header.rights_id.end()) {
                 key = GetKeyAreaKey(NCASectionCryptoType::CTR);
-                if (key == boost::none) {
-                    status = Loader::ResultStatus::ErrorMissingKeyAreaKey;
-                    return nullptr;
-                }
+            } else {
+                key = GetTitlekey();
             }
 
+            if (key == boost::none)
+                return nullptr;
             auto out = std::make_shared<Core::Crypto::CTREncryptionLayer>(
                 std::move(in), key.value(), starting_offset);
             std::vector<u8> iv(16);
@@ -178,7 +161,7 @@ VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting
             return std::static_pointer_cast<VfsFile>(out);
         }
     case NCASectionCryptoType::XTS:
-        // TODO(DarkLordZach): Find a test case for XTS-encrypted NCAs
+        // TODO(DarkLordZach): Implement XTSEncryptionLayer.
     default:
         LOG_ERROR(Crypto, "called with unhandled crypto type={:02X}",
                   static_cast<u8>(s_header.raw.header.crypto_type));
@@ -187,31 +170,16 @@ VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting
 }
 
 NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
-    status = Loader::ResultStatus::Success;
-
     if (file == nullptr) {
-        status = Loader::ResultStatus::ErrorNullFile;
+        status = Loader::ResultStatus::ErrorInvalidFormat;
         return;
     }
-
-    if (sizeof(NCAHeader) != file->ReadObject(&header)) {
+    if (sizeof(NCAHeader) != file->ReadObject(&header))
         LOG_ERROR(Loader, "File reader errored out during header read.");
-        status = Loader::ResultStatus::ErrorBadNCAHeader;
-        return;
-    }
 
     encrypted = false;
 
     if (!IsValidNCA(header)) {
-        if (header.magic == Common::MakeMagic('N', 'C', 'A', '2')) {
-            status = Loader::ResultStatus::ErrorNCA2;
-            return;
-        }
-        if (header.magic == Common::MakeMagic('N', 'C', 'A', '0')) {
-            status = Loader::ResultStatus::ErrorNCA0;
-            return;
-        }
-
         NCAHeader dec_header{};
         Core::Crypto::AESCipher<Core::Crypto::Key256> cipher(
             keys.GetKey(Core::Crypto::S256KeyType::Header), Core::Crypto::Mode::XTS);
@@ -221,26 +189,14 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
             header = dec_header;
             encrypted = true;
         } else {
-            if (dec_header.magic == Common::MakeMagic('N', 'C', 'A', '2')) {
-                status = Loader::ResultStatus::ErrorNCA2;
-                return;
-            }
-            if (dec_header.magic == Common::MakeMagic('N', 'C', 'A', '0')) {
-                status = Loader::ResultStatus::ErrorNCA0;
-                return;
-            }
-
             if (!keys.HasKey(Core::Crypto::S256KeyType::Header))
-                status = Loader::ResultStatus::ErrorMissingHeaderKey;
+                status = Loader::ResultStatus::ErrorMissingKeys;
             else
-                status = Loader::ResultStatus::ErrorIncorrectHeaderKey;
+                status = Loader::ResultStatus::ErrorDecrypting;
             return;
         }
     }
 
-    has_rights_id = std::find_if_not(header.rights_id.begin(), header.rights_id.end(),
-                                     [](char c) { return c == '\0'; }) != header.rights_id.end();
-
     const std::ptrdiff_t number_sections =
         std::count_if(std::begin(header.section_tables), std::end(header.section_tables),
                       [](NCASectionTableEntry entry) { return entry.media_offset > 0; });
@@ -258,10 +214,6 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
         file->ReadBytes(sections.data(), length_sections, SECTION_HEADER_OFFSET);
     }
 
-    is_update = std::find_if(sections.begin(), sections.end(), [](const NCASectionHeader& header) {
-                    return header.raw.header.crypto_type == NCASectionCryptoType::BKTR;
-                }) != sections.end();
-
     for (std::ptrdiff_t i = 0; i < number_sections; ++i) {
         auto section = sections[i];
 
@@ -277,12 +229,7 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
                 files.push_back(std::move(dec));
                 romfs = files.back();
             } else {
-                if (status != Loader::ResultStatus::Success)
-                    return;
-                if (has_rights_id)
-                    status = Loader::ResultStatus::ErrorIncorrectTitlekeyOrTitlekek;
-                else
-                    status = Loader::ResultStatus::ErrorIncorrectKeyAreaKey;
+                status = Loader::ResultStatus::ErrorMissingKeys;
                 return;
             }
         } else if (section.raw.header.filesystem_type == NCASectionFilesystemType::PFS0) {
@@ -302,12 +249,7 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
                         exefs = dirs.back();
                 }
             } else {
-                if (status != Loader::ResultStatus::Success)
-                    return;
-                if (has_rights_id)
-                    status = Loader::ResultStatus::ErrorIncorrectTitlekeyOrTitlekek;
-                else
-                    status = Loader::ResultStatus::ErrorIncorrectKeyAreaKey;
+                status = Loader::ResultStatus::ErrorMissingKeys;
                 return;
             }
         }
@@ -362,10 +304,6 @@ VirtualFile NCA::GetBaseFile() const {
     return file;
 }
 
-bool NCA::IsUpdate() const {
-    return is_update;
-}
-
 bool NCA::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
     return false;
 }

src/core/file_sys/content_archive.h

@@ -27,7 +27,6 @@ enum class NCAContentType : u8 {
     Control = 2,
     Manual = 3,
     Data = 4,
-    Data_Unknown5 = 5, ///< Seems to be used on some system archives
 };
 
 enum class NCASectionCryptoType : u8 {
@@ -93,16 +92,14 @@ public:
 
     VirtualFile GetBaseFile() const;
 
-    bool IsUpdate() const;
-
 protected:
     bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
 
 private:
     u8 GetCryptoRevision() const;
     boost::optional<Core::Crypto::Key128> GetKeyAreaKey(NCASectionCryptoType type) const;
-    boost::optional<Core::Crypto::Key128> GetTitlekey();
-    VirtualFile Decrypt(NCASectionHeader header, VirtualFile in, u64 starting_offset);
+    boost::optional<Core::Crypto::Key128> GetTitlekey() const;
+    VirtualFile Decrypt(NCASectionHeader header, VirtualFile in, u64 starting_offset) const;
 
     std::vector<VirtualDir> dirs;
     std::vector<VirtualFile> files;
@@ -112,8 +109,6 @@ private:
     VirtualFile file;
 
     NCAHeader header{};
-    bool has_rights_id{};
-    bool is_update{};
 
     Loader::ResultStatus status{};
 

src/core/file_sys/control_metadata.cpp

@@ -16,7 +16,7 @@ std::string LanguageEntry::GetDeveloperName() const {
     return Common::StringFromFixedZeroTerminatedBuffer(developer_name.data(), 0x100);
 }
 
-NACP::NACP(VirtualFile file) : raw(std::make_unique<RawNACP>()) {
+NACP::NACP(VirtualFile file_) : file(std::move(file_)), raw(std::make_unique<RawNACP>()) {
     file->ReadObject(raw.get());
 }
 

src/core/file_sys/control_metadata.h

@@ -81,6 +81,7 @@ public:
     std::string GetVersionString() const;
 
 private:
+    VirtualFile file;
     std::unique_ptr<RawNACP> raw;
 };
 

src/core/file_sys/nca_metadata.cpp

@@ -1,131 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cstring>
-#include "common/common_funcs.h"
-#include "common/logging/log.h"
-#include "common/swap.h"
-#include "content_archive.h"
-#include "core/file_sys/nca_metadata.h"
-
-namespace FileSys {
-
-bool operator>=(TitleType lhs, TitleType rhs) {
-    return static_cast<size_t>(lhs) >= static_cast<size_t>(rhs);
-}
-
-bool operator<=(TitleType lhs, TitleType rhs) {
-    return static_cast<size_t>(lhs) <= static_cast<size_t>(rhs);
-}
-
-CNMT::CNMT(VirtualFile file) {
-    if (file->ReadObject(&header) != sizeof(CNMTHeader))
-        return;
-
-    // If type is {Application, Update, AOC} has opt-header.
-    if (header.type >= TitleType::Application && header.type <= TitleType::AOC) {
-        if (file->ReadObject(&opt_header, sizeof(CNMTHeader)) != sizeof(OptionalHeader)) {
-            LOG_WARNING(Loader, "Failed to read optional header.");
-        }
-    }
-
-    for (u16 i = 0; i < header.number_content_entries; ++i) {
-        auto& next = content_records.emplace_back(ContentRecord{});
-        if (file->ReadObject(&next, sizeof(CNMTHeader) + i * sizeof(ContentRecord) +
-                                        header.table_offset) != sizeof(ContentRecord)) {
-            content_records.erase(content_records.end() - 1);
-        }
-    }
-
-    for (u16 i = 0; i < header.number_meta_entries; ++i) {
-        auto& next = meta_records.emplace_back(MetaRecord{});
-        if (file->ReadObject(&next, sizeof(CNMTHeader) + i * sizeof(MetaRecord) +
-                                        header.table_offset) != sizeof(MetaRecord)) {
-            meta_records.erase(meta_records.end() - 1);
-        }
-    }
-}
-
-CNMT::CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
-           std::vector<MetaRecord> meta_records)
-    : header(std::move(header)), opt_header(std::move(opt_header)),
-      content_records(std::move(content_records)), meta_records(std::move(meta_records)) {}
-
-u64 CNMT::GetTitleID() const {
-    return header.title_id;
-}
-
-u32 CNMT::GetTitleVersion() const {
-    return header.title_version;
-}
-
-TitleType CNMT::GetType() const {
-    return header.type;
-}
-
-const std::vector<ContentRecord>& CNMT::GetContentRecords() const {
-    return content_records;
-}
-
-const std::vector<MetaRecord>& CNMT::GetMetaRecords() const {
-    return meta_records;
-}
-
-bool CNMT::UnionRecords(const CNMT& other) {
-    bool change = false;
-    for (const auto& rec : other.content_records) {
-        const auto iter = std::find_if(content_records.begin(), content_records.end(),
-                                       [&rec](const ContentRecord& r) {
-                                           return r.nca_id == rec.nca_id && r.type == rec.type;
-                                       });
-        if (iter == content_records.end()) {
-            content_records.emplace_back(rec);
-            ++header.number_content_entries;
-            change = true;
-        }
-    }
-    for (const auto& rec : other.meta_records) {
-        const auto iter =
-            std::find_if(meta_records.begin(), meta_records.end(), [&rec](const MetaRecord& r) {
-                return r.title_id == rec.title_id && r.title_version == rec.title_version &&
-                       r.type == rec.type;
-            });
-        if (iter == meta_records.end()) {
-            meta_records.emplace_back(rec);
-            ++header.number_meta_entries;
-            change = true;
-        }
-    }
-    return change;
-}
-
-std::vector<u8> CNMT::Serialize() const {
-    const bool has_opt_header =
-        header.type >= TitleType::Application && header.type <= TitleType::AOC;
-    const auto dead_zone = header.table_offset + sizeof(CNMTHeader);
-    std::vector<u8> out(
-        std::max(sizeof(CNMTHeader) + (has_opt_header ? sizeof(OptionalHeader) : 0), dead_zone) +
-        content_records.size() * sizeof(ContentRecord) + meta_records.size() * sizeof(MetaRecord));
-    memcpy(out.data(), &header, sizeof(CNMTHeader));
-
-    // Optional Header
-    if (has_opt_header) {
-        memcpy(out.data() + sizeof(CNMTHeader), &opt_header, sizeof(OptionalHeader));
-    }
-
-    auto offset = header.table_offset;
-
-    for (const auto& rec : content_records) {
-        memcpy(out.data() + offset + sizeof(CNMTHeader), &rec, sizeof(ContentRecord));
-        offset += sizeof(ContentRecord);
-    }
-
-    for (const auto& rec : meta_records) {
-        memcpy(out.data() + offset + sizeof(CNMTHeader), &rec, sizeof(MetaRecord));
-        offset += sizeof(MetaRecord);
-    }
-
-    return out;
-}
-} // namespace FileSys

src/core/file_sys/nca_metadata.h

@@ -1,112 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <cstring>
-#include <memory>
-#include <vector>
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/swap.h"
-#include "core/file_sys/vfs.h"
-
-namespace FileSys {
-class CNMT;
-
-struct CNMTHeader;
-struct OptionalHeader;
-
-enum class TitleType : u8 {
-    SystemProgram = 0x01,
-    SystemDataArchive = 0x02,
-    SystemUpdate = 0x03,
-    FirmwarePackageA = 0x04,
-    FirmwarePackageB = 0x05,
-    Application = 0x80,
-    Update = 0x81,
-    AOC = 0x82,
-    DeltaTitle = 0x83,
-};
-
-bool operator>=(TitleType lhs, TitleType rhs);
-bool operator<=(TitleType lhs, TitleType rhs);
-
-enum class ContentRecordType : u8 {
-    Meta = 0,
-    Program = 1,
-    Data = 2,
-    Control = 3,
-    Manual = 4,
-    Legal = 5,
-    Patch = 6,
-};
-
-struct ContentRecord {
-    std::array<u8, 0x20> hash;
-    std::array<u8, 0x10> nca_id;
-    std::array<u8, 0x6> size;
-    ContentRecordType type;
-    INSERT_PADDING_BYTES(1);
-};
-static_assert(sizeof(ContentRecord) == 0x38, "ContentRecord has incorrect size.");
-
-constexpr ContentRecord EMPTY_META_CONTENT_RECORD{{}, {}, {}, ContentRecordType::Meta, {}};
-
-struct MetaRecord {
-    u64_le title_id;
-    u32_le title_version;
-    TitleType type;
-    u8 install_byte;
-    INSERT_PADDING_BYTES(2);
-};
-static_assert(sizeof(MetaRecord) == 0x10, "MetaRecord has incorrect size.");
-
-struct OptionalHeader {
-    u64_le title_id;
-    u64_le minimum_version;
-};
-static_assert(sizeof(OptionalHeader) == 0x10, "OptionalHeader has incorrect size.");
-
-struct CNMTHeader {
-    u64_le title_id;
-    u32_le title_version;
-    TitleType type;
-    INSERT_PADDING_BYTES(1);
-    u16_le table_offset;
-    u16_le number_content_entries;
-    u16_le number_meta_entries;
-    INSERT_PADDING_BYTES(12);
-};
-static_assert(sizeof(CNMTHeader) == 0x20, "CNMTHeader has incorrect size.");
-
-// A class representing the format used by NCA metadata files, typically named {}.cnmt.nca or
-// meta0.ncd. These describe which NCA's belong with which titles in the registered cache.
-class CNMT {
-public:
-    explicit CNMT(VirtualFile file);
-    CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
-         std::vector<MetaRecord> meta_records);
-
-    u64 GetTitleID() const;
-    u32 GetTitleVersion() const;
-    TitleType GetType() const;
-
-    const std::vector<ContentRecord>& GetContentRecords() const;
-    const std::vector<MetaRecord>& GetMetaRecords() const;
-
-    bool UnionRecords(const CNMT& other);
-    std::vector<u8> Serialize() const;
-
-private:
-    CNMTHeader header;
-    OptionalHeader opt_header;
-    std::vector<ContentRecord> content_records;
-    std::vector<MetaRecord> meta_records;
-
-    // TODO(DarkLordZach): According to switchbrew, for Patch-type there is additional data
-    // after the table. This is not documented, unfortunately.
-};
-
-} // namespace FileSys

src/core/file_sys/partition_filesystem.cpp

@@ -24,19 +24,19 @@ bool PartitionFilesystem::Header::HasValidMagicValue() const {
 PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
     // At least be as large as the header
     if (file->GetSize() < sizeof(Header)) {
-        status = Loader::ResultStatus::ErrorBadPFSHeader;
+        status = Loader::ResultStatus::Error;
         return;
     }
 
     // For cartridges, HFSs can get very large, so we need to calculate the size up to
     // the actual content itself instead of just blindly reading in the entire file.
     if (sizeof(Header) != file->ReadObject(&pfs_header)) {
-        status = Loader::ResultStatus::ErrorBadPFSHeader;
+        status = Loader::ResultStatus::Error;
         return;
     }
 
     if (!pfs_header.HasValidMagicValue()) {
-        status = Loader::ResultStatus::ErrorBadPFSHeader;
+        status = Loader::ResultStatus::ErrorInvalidFormat;
         return;
     }
 
@@ -51,7 +51,7 @@ PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
     const size_t total_size = file_data.size();
 
     if (total_size != metadata_size) {
-        status = Loader::ResultStatus::ErrorIncorrectPFSFileSize;
+        status = Loader::ResultStatus::Error;
         return;
     }
 

src/core/file_sys/partition_filesystem.h

@@ -13,7 +13,7 @@
 #include "core/file_sys/vfs.h"
 
 namespace Loader {
-enum class ResultStatus : u16;
+enum class ResultStatus;
 }
 
 namespace FileSys {

src/core/file_sys/program_metadata.cpp

@@ -12,26 +12,26 @@ namespace FileSys {
 Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
     size_t total_size = static_cast<size_t>(file->GetSize());
     if (total_size < sizeof(Header))
-        return Loader::ResultStatus::ErrorBadNPDMHeader;
+        return Loader::ResultStatus::Error;
 
     // TODO(DarkLordZach): Use ReadObject when Header/AcidHeader becomes trivially copyable.
     std::vector<u8> npdm_header_data = file->ReadBytes(sizeof(Header));
     if (sizeof(Header) != npdm_header_data.size())
-        return Loader::ResultStatus::ErrorBadNPDMHeader;
+        return Loader::ResultStatus::Error;
     std::memcpy(&npdm_header, npdm_header_data.data(), sizeof(Header));
 
     std::vector<u8> acid_header_data = file->ReadBytes(sizeof(AcidHeader), npdm_header.acid_offset);
     if (sizeof(AcidHeader) != acid_header_data.size())
-        return Loader::ResultStatus::ErrorBadACIDHeader;
+        return Loader::ResultStatus::Error;
     std::memcpy(&acid_header, acid_header_data.data(), sizeof(AcidHeader));
 
     if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset))
-        return Loader::ResultStatus::ErrorBadACIHeader;
+        return Loader::ResultStatus::Error;
 
     if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset))
-        return Loader::ResultStatus::ErrorBadFileAccessControl;
+        return Loader::ResultStatus::Error;
     if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset))
-        return Loader::ResultStatus::ErrorBadFileAccessHeader;
+        return Loader::ResultStatus::Error;
 
     return Loader::ResultStatus::Success;
 }

src/core/file_sys/program_metadata.h

@@ -13,7 +13,7 @@
 #include "partition_filesystem.h"
 
 namespace Loader {
-enum class ResultStatus : u16;
+enum class ResultStatus;
 }
 
 namespace FileSys {

src/core/file_sys/registered_cache.cpp

@@ -1,493 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <regex>
-#include <mbedtls/sha256.h>
-#include "common/assert.h"
-#include "common/hex_util.h"
-#include "common/logging/log.h"
-#include "core/crypto/encryption_layer.h"
-#include "core/file_sys/card_image.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/registered_cache.h"
-#include "core/file_sys/vfs_concat.h"
-
-namespace FileSys {
-std::string RegisteredCacheEntry::DebugInfo() const {
-    return fmt::format("title_id={:016X}, content_type={:02X}", title_id, static_cast<u8>(type));
-}
-
-bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs) {
-    return (lhs.title_id < rhs.title_id) || (lhs.title_id == rhs.title_id && lhs.type < rhs.type);
-}
-
-static bool FollowsTwoDigitDirFormat(std::string_view name) {
-    static const std::regex two_digit_regex("000000[0-9A-F]{2}", std::regex_constants::ECMAScript |
-                                                                     std::regex_constants::icase);
-    return std::regex_match(name.begin(), name.end(), two_digit_regex);
-}
-
-static bool FollowsNcaIdFormat(std::string_view name) {
-    static const std::regex nca_id_regex("[0-9A-F]{32}\\.nca", std::regex_constants::ECMAScript |
-                                                                   std::regex_constants::icase);
-    return name.size() == 36 && std::regex_match(name.begin(), name.end(), nca_id_regex);
-}
-
-static std::string GetRelativePathFromNcaID(const std::array<u8, 16>& nca_id, bool second_hex_upper,
-                                            bool within_two_digit) {
-    if (!within_two_digit)
-        return fmt::format("/{}.nca", Common::HexArrayToString(nca_id, second_hex_upper));
-
-    Core::Crypto::SHA256Hash hash{};
-    mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
-    return fmt::format("/000000{:02X}/{}.nca", hash[0],
-                       Common::HexArrayToString(nca_id, second_hex_upper));
-}
-
-static std::string GetCNMTName(TitleType type, u64 title_id) {
-    constexpr std::array<const char*, 9> TITLE_TYPE_NAMES{
-        "SystemProgram",
-        "SystemData",
-        "SystemUpdate",
-        "BootImagePackage",
-        "BootImagePackageSafe",
-        "Application",
-        "Patch",
-        "AddOnContent",
-        "" ///< Currently unknown 'DeltaTitle'
-    };
-
-    auto index = static_cast<size_t>(type);
-    // If the index is after the jump in TitleType, subtract it out.
-    if (index >= static_cast<size_t>(TitleType::Application)) {
-        index -= static_cast<size_t>(TitleType::Application) -
-                 static_cast<size_t>(TitleType::FirmwarePackageB);
-    }
-    return fmt::format("{}_{:016x}.cnmt", TITLE_TYPE_NAMES[index], title_id);
-}
-
-static ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
-    switch (type) {
-    case NCAContentType::Program:
-        // TODO(DarkLordZach): Differentiate between Program and Patch
-        return ContentRecordType::Program;
-    case NCAContentType::Meta:
-        return ContentRecordType::Meta;
-    case NCAContentType::Control:
-        return ContentRecordType::Control;
-    case NCAContentType::Data:
-    case NCAContentType::Data_Unknown5:
-        return ContentRecordType::Data;
-    case NCAContentType::Manual:
-        // TODO(DarkLordZach): Peek at NCA contents to differentiate Manual and Legal.
-        return ContentRecordType::Manual;
-    default:
-        UNREACHABLE_MSG("Invalid NCAContentType={:02X}", static_cast<u8>(type));
-    }
-}
-
-VirtualFile RegisteredCache::OpenFileOrDirectoryConcat(const VirtualDir& dir,
-                                                       std::string_view path) const {
-    if (dir->GetFileRelative(path) != nullptr)
-        return dir->GetFileRelative(path);
-    if (dir->GetDirectoryRelative(path) != nullptr) {
-        const auto nca_dir = dir->GetDirectoryRelative(path);
-        VirtualFile file = nullptr;
-
-        const auto files = nca_dir->GetFiles();
-        if (files.size() == 1 && files[0]->GetName() == "00") {
-            file = files[0];
-        } else {
-            std::vector<VirtualFile> concat;
-            // Since the files are a two-digit hex number, max is FF.
-            for (size_t i = 0; i < 0x100; ++i) {
-                auto next = nca_dir->GetFile(fmt::format("{:02X}", i));
-                if (next != nullptr) {
-                    concat.push_back(std::move(next));
-                } else {
-                    next = nca_dir->GetFile(fmt::format("{:02x}", i));
-                    if (next != nullptr)
-                        concat.push_back(std::move(next));
-                    else
-                        break;
-                }
-            }
-
-            if (concat.empty())
-                return nullptr;
-
-            file = FileSys::ConcatenateFiles(concat);
-        }
-
-        return file;
-    }
-    return nullptr;
-}
-
-VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {
-    VirtualFile file;
-    // Try all four modes of file storage:
-    // (bit 1 = uppercase/lower, bit 0 = within a two-digit dir)
-    // 00: /000000**/{:032X}.nca
-    // 01: /{:032X}.nca
-    // 10: /000000**/{:032x}.nca
-    // 11: /{:032x}.nca
-    for (u8 i = 0; i < 4; ++i) {
-        const auto path = GetRelativePathFromNcaID(id, (i & 0b10) == 0, (i & 0b01) == 0);
-        file = OpenFileOrDirectoryConcat(dir, path);
-        if (file != nullptr)
-            return file;
-    }
-    return file;
-}
-
-static boost::optional<NcaID> CheckMapForContentRecord(
-    const boost::container::flat_map<u64, CNMT>& map, u64 title_id, ContentRecordType type) {
-    if (map.find(title_id) == map.end())
-        return boost::none;
-
-    const auto& cnmt = map.at(title_id);
-
-    const auto iter = std::find_if(cnmt.GetContentRecords().begin(), cnmt.GetContentRecords().end(),
-                                   [type](const ContentRecord& rec) { return rec.type == type; });
-    if (iter == cnmt.GetContentRecords().end())
-        return boost::none;
-
-    return boost::make_optional(iter->nca_id);
-}
-
-boost::optional<NcaID> RegisteredCache::GetNcaIDFromMetadata(u64 title_id,
-                                                             ContentRecordType type) const {
-    if (type == ContentRecordType::Meta && meta_id.find(title_id) != meta_id.end())
-        return meta_id.at(title_id);
-
-    const auto res1 = CheckMapForContentRecord(yuzu_meta, title_id, type);
-    if (res1 != boost::none)
-        return res1;
-    return CheckMapForContentRecord(meta, title_id, type);
-}
-
-std::vector<NcaID> RegisteredCache::AccumulateFiles() const {
-    std::vector<NcaID> ids;
-    for (const auto& d2_dir : dir->GetSubdirectories()) {
-        if (FollowsNcaIdFormat(d2_dir->GetName())) {
-            ids.push_back(Common::HexStringToArray<0x10, true>(d2_dir->GetName().substr(0, 0x20)));
-            continue;
-        }
-
-        if (!FollowsTwoDigitDirFormat(d2_dir->GetName()))
-            continue;
-
-        for (const auto& nca_dir : d2_dir->GetSubdirectories()) {
-            if (!FollowsNcaIdFormat(nca_dir->GetName()))
-                continue;
-
-            ids.push_back(Common::HexStringToArray<0x10, true>(nca_dir->GetName().substr(0, 0x20)));
-        }
-
-        for (const auto& nca_file : d2_dir->GetFiles()) {
-            if (!FollowsNcaIdFormat(nca_file->GetName()))
-                continue;
-
-            ids.push_back(
-                Common::HexStringToArray<0x10, true>(nca_file->GetName().substr(0, 0x20)));
-        }
-    }
-
-    for (const auto& d2_file : dir->GetFiles()) {
-        if (FollowsNcaIdFormat(d2_file->GetName()))
-            ids.push_back(Common::HexStringToArray<0x10, true>(d2_file->GetName().substr(0, 0x20)));
-    }
-    return ids;
-}
-
-void RegisteredCache::ProcessFiles(const std::vector<NcaID>& ids) {
-    for (const auto& id : ids) {
-        const auto file = GetFileAtID(id);
-
-        if (file == nullptr)
-            continue;
-        const auto nca = std::make_shared<NCA>(parser(file, id));
-        if (nca->GetStatus() != Loader::ResultStatus::Success ||
-            nca->GetType() != NCAContentType::Meta) {
-            continue;
-        }
-
-        const auto section0 = nca->GetSubdirectories()[0];
-
-        for (const auto& section0_file : section0->GetFiles()) {
-            if (section0_file->GetExtension() != "cnmt")
-                continue;
-
-            meta.insert_or_assign(nca->GetTitleId(), CNMT(section0_file));
-            meta_id.insert_or_assign(nca->GetTitleId(), id);
-            break;
-        }
-    }
-}
-
-void RegisteredCache::AccumulateYuzuMeta() {
-    const auto dir = this->dir->GetSubdirectory("yuzu_meta");
-    if (dir == nullptr)
-        return;
-
-    for (const auto& file : dir->GetFiles()) {
-        if (file->GetExtension() != "cnmt")
-            continue;
-
-        CNMT cnmt(file);
-        yuzu_meta.insert_or_assign(cnmt.GetTitleID(), std::move(cnmt));
-    }
-}
-
-void RegisteredCache::Refresh() {
-    if (dir == nullptr)
-        return;
-    const auto ids = AccumulateFiles();
-    ProcessFiles(ids);
-    AccumulateYuzuMeta();
-}
-
-RegisteredCache::RegisteredCache(VirtualDir dir_, RegisteredCacheParsingFunction parsing_function)
-    : dir(std::move(dir_)), parser(std::move(parsing_function)) {
-    Refresh();
-}
-
-RegisteredCache::~RegisteredCache() = default;
-
-bool RegisteredCache::HasEntry(u64 title_id, ContentRecordType type) const {
-    return GetEntryRaw(title_id, type) != nullptr;
-}
-
-bool RegisteredCache::HasEntry(RegisteredCacheEntry entry) const {
-    return GetEntryRaw(entry) != nullptr;
-}
-
-VirtualFile RegisteredCache::GetEntryUnparsed(u64 title_id, ContentRecordType type) const {
-    const auto id = GetNcaIDFromMetadata(title_id, type);
-    if (id == boost::none)
-        return nullptr;
-
-    return GetFileAtID(id.get());
-}
-
-VirtualFile RegisteredCache::GetEntryUnparsed(RegisteredCacheEntry entry) const {
-    return GetEntryUnparsed(entry.title_id, entry.type);
-}
-
-VirtualFile RegisteredCache::GetEntryRaw(u64 title_id, ContentRecordType type) const {
-    const auto id = GetNcaIDFromMetadata(title_id, type);
-    if (id == boost::none)
-        return nullptr;
-
-    return parser(GetFileAtID(id.get()), id.get());
-}
-
-VirtualFile RegisteredCache::GetEntryRaw(RegisteredCacheEntry entry) const {
-    return GetEntryRaw(entry.title_id, entry.type);
-}
-
-std::shared_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType type) const {
-    const auto raw = GetEntryRaw(title_id, type);
-    if (raw == nullptr)
-        return nullptr;
-    return std::make_shared<NCA>(raw);
-}
-
-std::shared_ptr<NCA> RegisteredCache::GetEntry(RegisteredCacheEntry entry) const {
-    return GetEntry(entry.title_id, entry.type);
-}
-
-template <typename T>
-void RegisteredCache::IterateAllMetadata(
-    std::vector<T>& out, std::function<T(const CNMT&, const ContentRecord&)> proc,
-    std::function<bool(const CNMT&, const ContentRecord&)> filter) const {
-    for (const auto& kv : meta) {
-        const auto& cnmt = kv.second;
-        if (filter(cnmt, EMPTY_META_CONTENT_RECORD))
-            out.push_back(proc(cnmt, EMPTY_META_CONTENT_RECORD));
-        for (const auto& rec : cnmt.GetContentRecords()) {
-            if (GetFileAtID(rec.nca_id) != nullptr && filter(cnmt, rec)) {
-                out.push_back(proc(cnmt, rec));
-            }
-        }
-    }
-    for (const auto& kv : yuzu_meta) {
-        const auto& cnmt = kv.second;
-        for (const auto& rec : cnmt.GetContentRecords()) {
-            if (GetFileAtID(rec.nca_id) != nullptr && filter(cnmt, rec)) {
-                out.push_back(proc(cnmt, rec));
-            }
-        }
-    }
-}
-
-std::vector<RegisteredCacheEntry> RegisteredCache::ListEntries() const {
-    std::vector<RegisteredCacheEntry> out;
-    IterateAllMetadata<RegisteredCacheEntry>(
-        out,
-        [](const CNMT& c, const ContentRecord& r) {
-            return RegisteredCacheEntry{c.GetTitleID(), r.type};
-        },
-        [](const CNMT& c, const ContentRecord& r) { return true; });
-    return out;
-}
-
-std::vector<RegisteredCacheEntry> RegisteredCache::ListEntriesFilter(
-    boost::optional<TitleType> title_type, boost::optional<ContentRecordType> record_type,
-    boost::optional<u64> title_id) const {
-    std::vector<RegisteredCacheEntry> out;
-    IterateAllMetadata<RegisteredCacheEntry>(
-        out,
-        [](const CNMT& c, const ContentRecord& r) {
-            return RegisteredCacheEntry{c.GetTitleID(), r.type};
-        },
-        [&title_type, &record_type, &title_id](const CNMT& c, const ContentRecord& r) {
-            if (title_type != boost::none && title_type.get() != c.GetType())
-                return false;
-            if (record_type != boost::none && record_type.get() != r.type)
-                return false;
-            if (title_id != boost::none && title_id.get() != c.GetTitleID())
-                return false;
-            return true;
-        });
-    return out;
-}
-
-static std::shared_ptr<NCA> GetNCAFromXCIForID(std::shared_ptr<XCI> xci, const NcaID& id) {
-    const auto filename = fmt::format("{}.nca", Common::HexArrayToString(id, false));
-    const auto iter =
-        std::find_if(xci->GetNCAs().begin(), xci->GetNCAs().end(),
-                     [&filename](std::shared_ptr<NCA> nca) { return nca->GetName() == filename; });
-    return iter == xci->GetNCAs().end() ? nullptr : *iter;
-}
-
-InstallResult RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci, bool overwrite_if_exists,
-                                            const VfsCopyFunction& copy) {
-    const auto& ncas = xci->GetNCAs();
-    const auto& meta_iter = std::find_if(ncas.begin(), ncas.end(), [](std::shared_ptr<NCA> nca) {
-        return nca->GetType() == NCAContentType::Meta;
-    });
-
-    if (meta_iter == ncas.end()) {
-        LOG_ERROR(Loader, "The XCI you are attempting to install does not have a metadata NCA and "
-                          "is therefore malformed. Double check your encryption keys.");
-        return InstallResult::ErrorMetaFailed;
-    }
-
-    // Install Metadata File
-    const auto meta_id_raw = (*meta_iter)->GetName().substr(0, 32);
-    const auto meta_id = Common::HexStringToArray<16>(meta_id_raw);
-
-    const auto res = RawInstallNCA(*meta_iter, copy, overwrite_if_exists, meta_id);
-    if (res != InstallResult::Success)
-        return res;
-
-    // Install all the other NCAs
-    const auto section0 = (*meta_iter)->GetSubdirectories()[0];
-    const auto cnmt_file = section0->GetFiles()[0];
-    const CNMT cnmt(cnmt_file);
-    for (const auto& record : cnmt.GetContentRecords()) {
-        const auto nca = GetNCAFromXCIForID(xci, record.nca_id);
-        if (nca == nullptr)
-            return InstallResult::ErrorCopyFailed;
-        const auto res2 = RawInstallNCA(nca, copy, overwrite_if_exists, record.nca_id);
-        if (res2 != InstallResult::Success)
-            return res2;
-    }
-
-    Refresh();
-    return InstallResult::Success;
-}
-
-InstallResult RegisteredCache::InstallEntry(std::shared_ptr<NCA> nca, TitleType type,
-                                            bool overwrite_if_exists, const VfsCopyFunction& copy) {
-    CNMTHeader header{
-        nca->GetTitleId(), ///< Title ID
-        0,                 ///< Ignore/Default title version
-        type,              ///< Type
-        {},                ///< Padding
-        0x10,              ///< Default table offset
-        1,                 ///< 1 Content Entry
-        0,                 ///< No Meta Entries
-        {},                ///< Padding
-    };
-    OptionalHeader opt_header{0, 0};
-    ContentRecord c_rec{{}, {}, {}, GetCRTypeFromNCAType(nca->GetType()), {}};
-    const auto& data = nca->GetBaseFile()->ReadBytes(0x100000);
-    mbedtls_sha256(data.data(), data.size(), c_rec.hash.data(), 0);
-    memcpy(&c_rec.nca_id, &c_rec.hash, 16);
-    const CNMT new_cnmt(header, opt_header, {c_rec}, {});
-    if (!RawInstallYuzuMeta(new_cnmt))
-        return InstallResult::ErrorMetaFailed;
-    return RawInstallNCA(nca, copy, overwrite_if_exists, c_rec.nca_id);
-}
-
-InstallResult RegisteredCache::RawInstallNCA(std::shared_ptr<NCA> nca, const VfsCopyFunction& copy,
-                                             bool overwrite_if_exists,
-                                             boost::optional<NcaID> override_id) {
-    const auto in = nca->GetBaseFile();
-    Core::Crypto::SHA256Hash hash{};
-
-    // Calculate NcaID
-    // NOTE: Because computing the SHA256 of an entire NCA is quite expensive (especially if the
-    // game is massive), we're going to cheat and only hash the first MB of the NCA.
-    // Also, for XCIs the NcaID matters, so if the override id isn't none, use that.
-    NcaID id{};
-    if (override_id == boost::none) {
-        const auto& data = in->ReadBytes(0x100000);
-        mbedtls_sha256(data.data(), data.size(), hash.data(), 0);
-        memcpy(id.data(), hash.data(), 16);
-    } else {
-        id = override_id.get();
-    }
-
-    std::string path = GetRelativePathFromNcaID(id, false, true);
-
-    if (GetFileAtID(id) != nullptr && !overwrite_if_exists) {
-        LOG_WARNING(Loader, "Attempting to overwrite existing NCA. Skipping...");
-        return InstallResult::ErrorAlreadyExists;
-    }
-
-    if (GetFileAtID(id) != nullptr) {
-        LOG_WARNING(Loader, "Overwriting existing NCA...");
-        VirtualDir c_dir;
-        { c_dir = dir->GetFileRelative(path)->GetContainingDirectory(); }
-        c_dir->DeleteFile(FileUtil::GetFilename(path));
-    }
-
-    auto out = dir->CreateFileRelative(path);
-    if (out == nullptr)
-        return InstallResult::ErrorCopyFailed;
-    return copy(in, out) ? InstallResult::Success : InstallResult::ErrorCopyFailed;
-}
-
-bool RegisteredCache::RawInstallYuzuMeta(const CNMT& cnmt) {
-    // Reasoning behind this method can be found in the comment for InstallEntry, NCA overload.
-    const auto dir = this->dir->CreateDirectoryRelative("yuzu_meta");
-    const auto filename = GetCNMTName(cnmt.GetType(), cnmt.GetTitleID());
-    if (dir->GetFile(filename) == nullptr) {
-        auto out = dir->CreateFile(filename);
-        const auto buffer = cnmt.Serialize();
-        out->Resize(buffer.size());
-        out->WriteBytes(buffer);
-    } else {
-        auto out = dir->GetFile(filename);
-        CNMT old_cnmt(out);
-        // Returns true on change
-        if (old_cnmt.UnionRecords(cnmt)) {
-            out->Resize(0);
-            const auto buffer = old_cnmt.Serialize();
-            out->Resize(buffer.size());
-            out->WriteBytes(buffer);
-        }
-    }
-    Refresh();
-    return std::find_if(yuzu_meta.begin(), yuzu_meta.end(),
-                        [&cnmt](const std::pair<u64, CNMT>& kv) {
-                            return kv.second.GetType() == cnmt.GetType() &&
-                                   kv.second.GetTitleID() == cnmt.GetTitleID();
-                        }) != yuzu_meta.end();
-}
-} // namespace FileSys

src/core/file_sys/registered_cache.h

@@ -1,128 +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 <functional>
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
-#include <boost/container/flat_map.hpp>
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "content_archive.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/vfs.h"
-
-namespace FileSys {
-class XCI;
-class CNMT;
-
-using NcaID = std::array<u8, 0x10>;
-using RegisteredCacheParsingFunction = std::function<VirtualFile(const VirtualFile&, const NcaID&)>;
-using VfsCopyFunction = std::function<bool(VirtualFile, VirtualFile)>;
-
-enum class InstallResult {
-    Success,
-    ErrorAlreadyExists,
-    ErrorCopyFailed,
-    ErrorMetaFailed,
-};
-
-struct RegisteredCacheEntry {
-    u64 title_id;
-    ContentRecordType type;
-
-    std::string DebugInfo() const;
-};
-
-// boost flat_map requires operator< for O(log(n)) lookups.
-bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
-
-/*
- * A class that catalogues NCAs in the registered directory structure.
- * Nintendo's registered format follows this structure:
- *
- * Root
- *   | 000000XX <- XX is the ____ two digits of the NcaID
- *       | <hash>.nca <- hash is the NcaID (first half of SHA256 over entire file) (folder)
- *         | 00
- *         | 01 <- Actual content split along 4GB boundaries. (optional)
- *
- * (This impl also supports substituting the nca dir for an nca file, as that's more convenient when
- * 4GB splitting can be ignored.)
- */
-class RegisteredCache {
-public:
-    // Parsing function defines the conversion from raw file to NCA. If there are other steps
-    // besides creating the NCA from the file (e.g. NAX0 on SD Card), that should go in a custom
-    // parsing function.
-    explicit RegisteredCache(VirtualDir dir,
-                             RegisteredCacheParsingFunction parsing_function =
-                                 [](const VirtualFile& file, const NcaID& id) { return file; });
-    ~RegisteredCache();
-
-    void Refresh();
-
-    bool HasEntry(u64 title_id, ContentRecordType type) const;
-    bool HasEntry(RegisteredCacheEntry entry) const;
-
-    VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const;
-    VirtualFile GetEntryUnparsed(RegisteredCacheEntry entry) const;
-
-    VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
-    VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
-
-    std::shared_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
-    std::shared_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
-
-    std::vector<RegisteredCacheEntry> ListEntries() const;
-    // If a parameter is not boost::none, it will be filtered for from all entries.
-    std::vector<RegisteredCacheEntry> ListEntriesFilter(
-        boost::optional<TitleType> title_type = boost::none,
-        boost::optional<ContentRecordType> record_type = boost::none,
-        boost::optional<u64> title_id = boost::none) const;
-
-    // Raw copies all the ncas from the xci to the csache. Does some quick checks to make sure there
-    // is a meta NCA and all of them are accessible.
-    InstallResult InstallEntry(std::shared_ptr<XCI> xci, bool overwrite_if_exists = false,
-                               const VfsCopyFunction& copy = &VfsRawCopy);
-
-    // Due to the fact that we must use Meta-type NCAs to determine the existance of files, this
-    // poses quite a challenge. Instead of creating a new meta NCA for this file, yuzu will create a
-    // dir inside the NAND called 'yuzu_meta' and store the raw CNMT there.
-    // TODO(DarkLordZach): Author real meta-type NCAs and install those.
-    InstallResult InstallEntry(std::shared_ptr<NCA> nca, TitleType type,
-                               bool overwrite_if_exists = false,
-                               const VfsCopyFunction& copy = &VfsRawCopy);
-
-private:
-    template <typename T>
-    void IterateAllMetadata(std::vector<T>& out,
-                            std::function<T(const CNMT&, const ContentRecord&)> proc,
-                            std::function<bool(const CNMT&, const ContentRecord&)> filter) const;
-    std::vector<NcaID> AccumulateFiles() const;
-    void ProcessFiles(const std::vector<NcaID>& ids);
-    void AccumulateYuzuMeta();
-    boost::optional<NcaID> GetNcaIDFromMetadata(u64 title_id, ContentRecordType type) const;
-    VirtualFile GetFileAtID(NcaID id) const;
-    VirtualFile OpenFileOrDirectoryConcat(const VirtualDir& dir, std::string_view path) const;
-    InstallResult RawInstallNCA(std::shared_ptr<NCA> nca, const VfsCopyFunction& copy,
-                                bool overwrite_if_exists,
-                                boost::optional<NcaID> override_id = boost::none);
-    bool RawInstallYuzuMeta(const CNMT& cnmt);
-
-    VirtualDir dir;
-    RegisteredCacheParsingFunction parser;
-    // maps tid -> NcaID of meta
-    boost::container::flat_map<u64, NcaID> meta_id;
-    // maps tid -> meta
-    boost::container::flat_map<u64, CNMT> meta;
-    // maps tid -> meta for CNMT in yuzu_meta
-    boost::container::flat_map<u64, CNMT> yuzu_meta;
-};
-
-} // namespace FileSys

src/core/file_sys/romfs.cpp

@@ -65,7 +65,7 @@ void ProcessFile(VirtualFile file, size_t file_offset, size_t data_offset, u32 t
         auto entry = GetEntry<FileEntry>(file, file_offset + this_file_offset);
 
         parent->AddFile(std::make_shared<OffsetVfsFile>(
-            file, entry.first.size, entry.first.offset + data_offset, entry.second));
+            file, entry.first.size, entry.first.offset + data_offset, entry.second, parent));
 
         if (entry.first.sibling == ROMFS_ENTRY_EMPTY)
             break;
@@ -79,7 +79,7 @@ void ProcessDirectory(VirtualFile file, size_t dir_offset, size_t file_offset, s
     while (true) {
         auto entry = GetEntry<DirectoryEntry>(file, dir_offset + this_dir_offset);
         auto current = std::make_shared<VectorVfsDirectory>(
-            std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, entry.second);
+            std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, parent, entry.second);
 
         if (entry.first.child_file != ROMFS_ENTRY_EMPTY) {
             ProcessFile(file, file_offset, data_offset, entry.first.child_file, current);
@@ -108,9 +108,9 @@ VirtualDir ExtractRomFS(VirtualFile file) {
     const u64 file_offset = header.file_meta.offset;
     const u64 dir_offset = header.directory_meta.offset + 4;
 
-    auto root =
+    const auto root =
         std::make_shared<VectorVfsDirectory>(std::vector<VirtualFile>{}, std::vector<VirtualDir>{},
-                                             file->GetName(), file->GetContainingDirectory());
+                                             file->GetContainingDirectory(), file->GetName());
 
     ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root);
 

src/core/file_sys/romfs_factory.cpp

@@ -6,57 +6,20 @@
 #include <memory>
 #include "common/common_types.h"
 #include "common/logging/log.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs_factory.h"
-#include "core/hle/kernel/process.h"
-#include "core/hle/service/filesystem/filesystem.h"
-#include "core/loader/loader.h"
 
 namespace FileSys {
 
 RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader) {
     // Load the RomFS from the app
-    if (app_loader.ReadRomFS(file) != Loader::ResultStatus::Success) {
+    if (Loader::ResultStatus::Success != app_loader.ReadRomFS(file)) {
         LOG_ERROR(Service_FS, "Unable to read RomFS!");
     }
 }
 
-ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess() {
+ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id) {
+    // TODO(DarkLordZach): Use title id.
     return MakeResult<VirtualFile>(file);
 }
 
-ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage, ContentRecordType type) {
-    switch (storage) {
-    case StorageId::NandSystem: {
-        const auto res = Service::FileSystem::GetSystemNANDContents()->GetEntry(title_id, type);
-        if (res == nullptr) {
-            // TODO(DarkLordZach): Find the right error code to use here
-            return ResultCode(-1);
-        }
-        const auto romfs = res->GetRomFS();
-        if (romfs == nullptr) {
-            // TODO(DarkLordZach): Find the right error code to use here
-            return ResultCode(-1);
-        }
-        return MakeResult<VirtualFile>(romfs);
-    }
-    case StorageId::NandUser: {
-        const auto res = Service::FileSystem::GetUserNANDContents()->GetEntry(title_id, type);
-        if (res == nullptr) {
-            // TODO(DarkLordZach): Find the right error code to use here
-            return ResultCode(-1);
-        }
-        const auto romfs = res->GetRomFS();
-        if (romfs == nullptr) {
-            // TODO(DarkLordZach): Find the right error code to use here
-            return ResultCode(-1);
-        }
-        return MakeResult<VirtualFile>(romfs);
-    }
-    default:
-        UNIMPLEMENTED_MSG("Unimplemented storage_id={:02X}", static_cast<u8>(storage));
-    }
-}
-
 } // namespace FileSys

src/core/file_sys/romfs_factory.h

@@ -6,33 +6,17 @@
 
 #include <memory>
 #include "common/common_types.h"
-#include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
-
-namespace Loader {
-class AppLoader;
-} // namespace Loader
+#include "core/loader/loader.h"
 
 namespace FileSys {
 
-enum class ContentRecordType : u8;
-
-enum class StorageId : u8 {
-    None = 0,
-    Host = 1,
-    GameCard = 2,
-    NandSystem = 3,
-    NandUser = 4,
-    SdCard = 5,
-};
-
 /// File system interface to the RomFS archive
 class RomFSFactory {
 public:
     explicit RomFSFactory(Loader::AppLoader& app_loader);
 
-    ResultVal<VirtualFile> OpenCurrentProcess();
-    ResultVal<VirtualFile> Open(u64 title_id, StorageId storage, ContentRecordType type);
+    ResultVal<VirtualFile> Open(u64 title_id);
 
 private:
     VirtualFile file;

src/core/file_sys/savedata_factory.cpp

@@ -73,7 +73,7 @@ ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space, SaveDataDescr
 }
 
 std::string SaveDataFactory::GetFullPath(SaveDataSpaceId space, SaveDataType type, u64 title_id,
-                                         u128 user_id, u64 save_id) {
+                                         u128 user_id, u64 save_id) const {
     // According to switchbrew, if a save is of type SaveData and the title id field is 0, it should
     // be interpreted as the title id of the current process.
     if (type == SaveDataType::SaveData && title_id == 0)

src/core/file_sys/savedata_factory.h

@@ -49,11 +49,11 @@ public:
 
     ResultVal<VirtualDir> Open(SaveDataSpaceId space, SaveDataDescriptor meta);
 
-    static std::string GetFullPath(SaveDataSpaceId space, SaveDataType type, u64 title_id,
-                                   u128 user_id, u64 save_id);
-
 private:
     VirtualDir dir;
+
+    std::string GetFullPath(SaveDataSpaceId space, SaveDataType type, u64 title_id, u128 user_id,
+                            u64 save_id) const;
 };
 
 } // namespace FileSys

src/core/file_sys/sdmc_factory.cpp

@@ -3,27 +3,15 @@
 // Refer to the license.txt file included.
 
 #include <memory>
-#include "core/file_sys/registered_cache.h"
+#include "core/core.h"
 #include "core/file_sys/sdmc_factory.h"
-#include "core/file_sys/xts_archive.h"
 
 namespace FileSys {
 
-SDMCFactory::SDMCFactory(VirtualDir dir_)
-    : dir(std::move(dir_)), contents(std::make_shared<RegisteredCache>(
-                                GetOrCreateDirectoryRelative(dir, "/Nintendo/Contents/registered"),
-                                [](const VirtualFile& file, const NcaID& id) {
-                                    return std::make_shared<NAX>(file, id)->GetDecrypted();
-                                })) {}
-
-SDMCFactory::~SDMCFactory() = default;
+SDMCFactory::SDMCFactory(VirtualDir dir) : dir(std::move(dir)) {}
 
 ResultVal<VirtualDir> SDMCFactory::Open() {
     return MakeResult<VirtualDir>(dir);
 }
 
-std::shared_ptr<RegisteredCache> SDMCFactory::GetSDMCContents() const {
-    return contents;
-}
-
 } // namespace FileSys

src/core/file_sys/sdmc_factory.h

@@ -4,27 +4,19 @@
 
 #pragma once
 
-#include <memory>
-#include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
 
 namespace FileSys {
 
-class RegisteredCache;
-
 /// File system interface to the SDCard archive
 class SDMCFactory {
 public:
     explicit SDMCFactory(VirtualDir dir);
-    ~SDMCFactory();
 
     ResultVal<VirtualDir> Open();
-    std::shared_ptr<RegisteredCache> GetSDMCContents() const;
 
 private:
     VirtualDir dir;
-
-    std::shared_ptr<RegisteredCache> contents;
 };
 
 } // namespace FileSys

src/core/file_sys/vfs.cpp

@@ -8,7 +8,6 @@
 #include "common/common_paths.h"
 #include "common/file_util.h"
 #include "common/logging/backend.h"
-#include "core/file_sys/mode.h"
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {
@@ -75,15 +74,15 @@ VirtualFile VfsFilesystem::CopyFile(std::string_view old_path_, std::string_view
     return new_file;
 }
 
-VirtualFile VfsFilesystem::MoveFile(std::string_view old_path, std::string_view new_path) {
-    const auto sanitized_old_path = FileUtil::SanitizePath(old_path);
-    const auto sanitized_new_path = FileUtil::SanitizePath(new_path);
+VirtualFile VfsFilesystem::MoveFile(std::string_view old_path_, std::string_view new_path_) {
+    const auto old_path = FileUtil::SanitizePath(old_path_);
+    const auto new_path = FileUtil::SanitizePath(new_path_);
 
     // Again, non-default impls are highly encouraged to provide a more optimized version of this.
-    auto out = CopyFile(sanitized_old_path, sanitized_new_path);
+    auto out = CopyFile(old_path_, new_path_);
     if (out == nullptr)
         return nullptr;
-    if (DeleteFile(sanitized_old_path))
+    if (DeleteFile(old_path))
         return out;
     return nullptr;
 }
@@ -138,15 +137,15 @@ VirtualDir VfsFilesystem::CopyDirectory(std::string_view old_path_, std::string_
     return new_dir;
 }
 
-VirtualDir VfsFilesystem::MoveDirectory(std::string_view old_path, std::string_view new_path) {
-    const auto sanitized_old_path = FileUtil::SanitizePath(old_path);
-    const auto sanitized_new_path = FileUtil::SanitizePath(new_path);
+VirtualDir VfsFilesystem::MoveDirectory(std::string_view old_path_, std::string_view new_path_) {
+    const auto old_path = FileUtil::SanitizePath(old_path_);
+    const auto new_path = FileUtil::SanitizePath(new_path_);
 
     // Non-default impls are highly encouraged to provide a more optimized version of this.
-    auto out = CopyDirectory(sanitized_old_path, sanitized_new_path);
+    auto out = CopyDirectory(old_path_, new_path_);
     if (out == nullptr)
         return nullptr;
-    if (DeleteDirectory(sanitized_old_path))
+    if (DeleteDirectory(old_path))
         return out;
     return nullptr;
 }
@@ -462,11 +461,4 @@ bool VfsRawCopy(VirtualFile src, VirtualFile dest) {
     std::vector<u8> data = src->ReadAllBytes();
     return dest->WriteBytes(data, 0) == data.size();
 }
-
-VirtualDir GetOrCreateDirectoryRelative(const VirtualDir& rel, std::string_view path) {
-    const auto res = rel->GetDirectoryRelative(path);
-    if (res == nullptr)
-        return rel->CreateDirectoryRelative(path);
-    return res;
-}
 } // namespace FileSys

src/core/file_sys/vfs.h

@@ -9,16 +9,15 @@
 #include <string_view>
 #include <type_traits>
 #include <vector>
-#include <boost/optional.hpp>
+#include "boost/optional.hpp"
 #include "common/common_types.h"
+#include "core/file_sys/mode.h"
 
 namespace FileSys {
 
-class VfsDirectory;
-class VfsFile;
-class VfsFilesystem;
-
-enum class Mode : u32;
+struct VfsFilesystem;
+struct VfsFile;
+struct VfsDirectory;
 
 // Convenience typedefs to use Vfs* interfaces
 using VirtualFilesystem = std::shared_ptr<VfsFilesystem>;
@@ -35,9 +34,8 @@ enum class VfsEntryType {
 // A class representing an abstract filesystem. A default implementation given the root VirtualDir
 // is provided for convenience, but if the Vfs implementation has any additional state or
 // functionality, they will need to override.
-class VfsFilesystem : NonCopyable {
-public:
-    explicit VfsFilesystem(VirtualDir root);
+struct VfsFilesystem : NonCopyable {
+    VfsFilesystem(VirtualDir root);
     virtual ~VfsFilesystem();
 
     // Gets the friendly name for the filesystem.
@@ -83,8 +81,7 @@ protected:
 };
 
 // A class representing a file in an abstract filesystem.
-class VfsFile : NonCopyable {
-public:
+struct VfsFile : NonCopyable {
     virtual ~VfsFile();
 
     // Retrieves the file name.
@@ -182,8 +179,7 @@ public:
 };
 
 // A class representing a directory in an abstract filesystem.
-class VfsDirectory : NonCopyable {
-public:
+struct VfsDirectory : NonCopyable {
     virtual ~VfsDirectory();
 
     // Retrives the file located at path as if the current directory was root. Returns nullptr if
@@ -299,8 +295,7 @@ protected:
 
 // A convenience partial-implementation of VfsDirectory that stubs out methods that should only work
 // if writable. This is to avoid redundant empty methods everywhere.
-class ReadOnlyVfsDirectory : public VfsDirectory {
-public:
+struct ReadOnlyVfsDirectory : public VfsDirectory {
     bool IsWritable() const override;
     bool IsReadable() const override;
     std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
@@ -318,8 +313,4 @@ bool DeepEquals(const VirtualFile& file1, const VirtualFile& file2, size_t block
 // directory of src/dest.
 bool VfsRawCopy(VirtualFile src, VirtualFile dest);
 
-// Checks if the directory at path relative to rel exists. If it does, returns that. If it does not
-// it attempts to create it and returns the new dir or nullptr on failure.
-VirtualDir GetOrCreateDirectoryRelative(const VirtualDir& rel, std::string_view path);
-
 } // namespace FileSys

src/core/file_sys/vfs_concat.cpp

@@ -1,94 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <utility>
-
-#include "core/file_sys/vfs_concat.h"
-
-namespace FileSys {
-
-VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name) {
-    if (files.empty())
-        return nullptr;
-    if (files.size() == 1)
-        return files[0];
-
-    return std::shared_ptr<VfsFile>(new ConcatenatedVfsFile(std::move(files), std::move(name)));
-}
-
-ConcatenatedVfsFile::ConcatenatedVfsFile(std::vector<VirtualFile> files_, std::string name)
-    : name(std::move(name)) {
-    size_t next_offset = 0;
-    for (const auto& file : files_) {
-        files[next_offset] = file;
-        next_offset += file->GetSize();
-    }
-}
-
-std::string ConcatenatedVfsFile::GetName() const {
-    if (files.empty())
-        return "";
-    if (!name.empty())
-        return name;
-    return files.begin()->second->GetName();
-}
-
-size_t ConcatenatedVfsFile::GetSize() const {
-    if (files.empty())
-        return 0;
-    return files.rbegin()->first + files.rbegin()->second->GetSize();
-}
-
-bool ConcatenatedVfsFile::Resize(size_t new_size) {
-    return false;
-}
-
-std::shared_ptr<VfsDirectory> ConcatenatedVfsFile::GetContainingDirectory() const {
-    if (files.empty())
-        return nullptr;
-    return files.begin()->second->GetContainingDirectory();
-}
-
-bool ConcatenatedVfsFile::IsWritable() const {
-    return false;
-}
-
-bool ConcatenatedVfsFile::IsReadable() const {
-    return true;
-}
-
-size_t ConcatenatedVfsFile::Read(u8* data, size_t length, size_t offset) const {
-    auto entry = files.end();
-    for (auto iter = files.begin(); iter != files.end(); ++iter) {
-        if (iter->first > offset) {
-            entry = --iter;
-            break;
-        }
-    }
-
-    // Check if the entry should be the last one. The loop above will make it end().
-    if (entry == files.end() && offset < files.rbegin()->first + files.rbegin()->second->GetSize())
-        --entry;
-
-    if (entry == files.end())
-        return 0;
-
-    const auto remaining = entry->second->GetSize() + offset - entry->first;
-    if (length > remaining) {
-        return entry->second->Read(data, remaining, offset - entry->first) +
-               Read(data + remaining, length - remaining, offset + remaining);
-    }
-
-    return entry->second->Read(data, length, offset - entry->first);
-}
-
-size_t ConcatenatedVfsFile::Write(const u8* data, size_t length, size_t offset) {
-    return 0;
-}
-
-bool ConcatenatedVfsFile::Rename(std::string_view name) {
-    return false;
-}
-} // namespace FileSys

src/core/file_sys/vfs_concat.h

@@ -1,41 +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 <string_view>
-#include <boost/container/flat_map.hpp>
-#include "core/file_sys/vfs.h"
-
-namespace FileSys {
-
-// Wrapper function to allow for more efficient handling of files.size() == 0, 1 cases.
-VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name = "");
-
-// Class that wraps multiple vfs files and concatenates them, making reads seamless. Currently
-// read-only.
-class ConcatenatedVfsFile : public VfsFile {
-    friend VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name);
-
-    ConcatenatedVfsFile(std::vector<VirtualFile> files, std::string name);
-
-public:
-    std::string GetName() const override;
-    size_t GetSize() const override;
-    bool Resize(size_t new_size) override;
-    std::shared_ptr<VfsDirectory> GetContainingDirectory() const override;
-    bool IsWritable() const override;
-    bool IsReadable() const override;
-    size_t Read(u8* data, size_t length, size_t offset) const override;
-    size_t Write(const u8* data, size_t length, size_t offset) override;
-    bool Rename(std::string_view name) override;
-
-private:
-    // Maps starting offset to file -- more efficient.
-    boost::container::flat_map<u64, VirtualFile> files;
-    std::string name;
-};
-
-} // namespace FileSys

src/core/file_sys/vfs_offset.h

@@ -15,8 +15,7 @@ namespace FileSys {
 // Similar to seeking to an offset.
 // If the file is writable, operations that would write past the end of the offset file will expand
 // the size of this wrapper.
-class OffsetVfsFile : public VfsFile {
-public:
+struct OffsetVfsFile : public VfsFile {
     OffsetVfsFile(std::shared_ptr<VfsFile> file, size_t size, size_t offset = 0,
                   std::string new_name = "", VirtualDir new_parent = nullptr);
 

src/core/file_sys/vfs_real.cpp

@@ -83,12 +83,8 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
 
 VirtualFile RealVfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
     const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
-    if (!FileUtil::Exists(path)) {
-        FileUtil::CreateFullPath(path_fwd);
-        if (!FileUtil::CreateEmptyFile(path))
-            return nullptr;
-    }
+    if (!FileUtil::Exists(path) && !FileUtil::CreateEmptyFile(path))
+        return nullptr;
     return OpenFile(path, perms);
 }
 
@@ -144,12 +140,8 @@ VirtualDir RealVfsFilesystem::OpenDirectory(std::string_view path_, Mode perms)
 
 VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
     const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
-    if (!FileUtil::Exists(path)) {
-        FileUtil::CreateFullPath(path_fwd);
-        if (!FileUtil::CreateDir(path))
-            return nullptr;
-    }
+    if (!FileUtil::Exists(path) && !FileUtil::CreateDir(path))
+        return nullptr;
     // Cannot use make_shared as RealVfsDirectory constructor is private
     return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
 }
@@ -314,14 +306,14 @@ RealVfsDirectory::RealVfsDirectory(RealVfsFilesystem& base_, const std::string&
 
 std::shared_ptr<VfsFile> RealVfsDirectory::GetFileRelative(std::string_view path) const {
     const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
-    if (!FileUtil::Exists(full_path) || FileUtil::IsDirectory(full_path))
+    if (!FileUtil::Exists(full_path))
         return nullptr;
     return base.OpenFile(full_path, perms);
 }
 
 std::shared_ptr<VfsDirectory> RealVfsDirectory::GetDirectoryRelative(std::string_view path) const {
     const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
-    if (!FileUtil::Exists(full_path) || !FileUtil::IsDirectory(full_path))
+    if (!FileUtil::Exists(full_path))
         return nullptr;
     return base.OpenDirectory(full_path, perms);
 }
@@ -341,6 +333,7 @@ std::shared_ptr<VfsFile> RealVfsDirectory::CreateFileRelative(std::string_view p
 
 std::shared_ptr<VfsDirectory> RealVfsDirectory::CreateDirectoryRelative(std::string_view path) {
     const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
+    auto parent = std::string(FileUtil::GetParentPath(full_path));
     return base.CreateDirectory(full_path, perms);
 }
 

src/core/file_sys/vfs_real.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <string_view>
+
 #include <boost/container/flat_map.hpp>
 #include "common/file_util.h"
 #include "core/file_sys/mode.h"

src/core/file_sys/vfs_vector.cpp

@@ -8,8 +8,8 @@
 
 namespace FileSys {
 VectorVfsDirectory::VectorVfsDirectory(std::vector<VirtualFile> files_,
-                                       std::vector<VirtualDir> dirs_, std::string name_,
-                                       VirtualDir parent_)
+                                       std::vector<VirtualDir> dirs_, VirtualDir parent_,
+                                       std::string name_)
     : files(std::move(files_)), dirs(std::move(dirs_)), parent(std::move(parent_)),
       name(std::move(name_)) {}
 

src/core/file_sys/vfs_vector.h

@@ -10,11 +10,10 @@ namespace FileSys {
 
 // An implementation of VfsDirectory that maintains two vectors for subdirectories and files.
 // Vector data is supplied upon construction.
-class VectorVfsDirectory : public VfsDirectory {
-public:
+struct VectorVfsDirectory : public VfsDirectory {
     explicit VectorVfsDirectory(std::vector<VirtualFile> files = {},
-                                std::vector<VirtualDir> dirs = {}, std::string name = "",
-                                VirtualDir parent = nullptr);
+                                std::vector<VirtualDir> dirs = {}, VirtualDir parent = nullptr,
+                                std::string name = "");
 
     std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
     std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;

src/core/file_sys/xts_archive.cpp

@@ -1,169 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <array>
-#include <cstring>
-#include <regex>
-#include <string>
-#include <mbedtls/md.h>
-#include <mbedtls/sha256.h>
-#include "common/assert.h"
-#include "common/hex_util.h"
-#include "common/logging/log.h"
-#include "core/crypto/aes_util.h"
-#include "core/crypto/xts_encryption_layer.h"
-#include "core/file_sys/partition_filesystem.h"
-#include "core/file_sys/vfs_offset.h"
-#include "core/file_sys/xts_archive.h"
-#include "core/loader/loader.h"
-
-namespace FileSys {
-
-constexpr u64 NAX_HEADER_PADDING_SIZE = 0x4000;
-
-template <typename SourceData, typename SourceKey, typename Destination>
-static bool CalculateHMAC256(Destination* out, const SourceKey* key, size_t key_length,
-                             const SourceData* data, size_t data_length) {
-    mbedtls_md_context_t context;
-    mbedtls_md_init(&context);
-
-    const auto key_f = reinterpret_cast<const u8*>(key);
-    const std::vector<u8> key_v(key_f, key_f + key_length);
-
-    if (mbedtls_md_setup(&context, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1) ||
-        mbedtls_md_hmac_starts(&context, reinterpret_cast<const u8*>(key), key_length) ||
-        mbedtls_md_hmac_update(&context, reinterpret_cast<const u8*>(data), data_length) ||
-        mbedtls_md_hmac_finish(&context, reinterpret_cast<u8*>(out))) {
-        mbedtls_md_free(&context);
-        return false;
-    }
-
-    mbedtls_md_free(&context);
-    return true;
-}
-
-NAX::NAX(VirtualFile file_) : file(std::move(file_)), header(std::make_unique<NAXHeader>()) {
-    std::string path = FileUtil::SanitizePath(file->GetFullPath());
-    static const std::regex nax_path_regex("/registered/(000000[0-9A-F]{2})/([0-9A-F]{32})\\.nca",
-                                           std::regex_constants::ECMAScript |
-                                               std::regex_constants::icase);
-    std::smatch match;
-    if (!std::regex_search(path, match, nax_path_regex)) {
-        status = Loader::ResultStatus::ErrorBadNAXFilePath;
-        return;
-    }
-
-    std::string two_dir = match[1];
-    std::string nca_id = match[2];
-    std::transform(two_dir.begin(), two_dir.end(), two_dir.begin(), ::toupper);
-    std::transform(nca_id.begin(), nca_id.end(), nca_id.begin(), ::tolower);
-
-    status = Parse(fmt::format("/registered/{}/{}.nca", two_dir, nca_id));
-}
-
-NAX::NAX(VirtualFile file_, std::array<u8, 0x10> nca_id)
-    : file(std::move(file_)), header(std::make_unique<NAXHeader>()) {
-    Core::Crypto::SHA256Hash hash{};
-    mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
-    status = Parse(fmt::format("/registered/000000{:02X}/{}.nca", hash[0],
-                               Common::HexArrayToString(nca_id, false)));
-}
-
-Loader::ResultStatus NAX::Parse(std::string_view path) {
-    if (file->ReadObject(header.get()) != sizeof(NAXHeader))
-        return Loader::ResultStatus::ErrorBadNAXHeader;
-
-    if (header->magic != Common::MakeMagic('N', 'A', 'X', '0'))
-        return Loader::ResultStatus::ErrorBadNAXHeader;
-
-    if (file->GetSize() < NAX_HEADER_PADDING_SIZE + header->file_size)
-        return Loader::ResultStatus::ErrorIncorrectNAXFileSize;
-
-    keys.DeriveSDSeedLazy();
-    std::array<Core::Crypto::Key256, 2> sd_keys{};
-    const auto sd_keys_res = Core::Crypto::DeriveSDKeys(sd_keys, keys);
-    if (sd_keys_res != Loader::ResultStatus::Success) {
-        return sd_keys_res;
-    }
-
-    const auto enc_keys = header->key_area;
-
-    size_t i = 0;
-    for (; i < sd_keys.size(); ++i) {
-        std::array<Core::Crypto::Key128, 2> nax_keys{};
-        if (!CalculateHMAC256(nax_keys.data(), sd_keys[i].data(), 0x10, std::string(path).c_str(),
-                              path.size())) {
-            return Loader::ResultStatus::ErrorNAXKeyHMACFailed;
-        }
-
-        for (size_t j = 0; j < nax_keys.size(); ++j) {
-            Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(nax_keys[j],
-                                                                 Core::Crypto::Mode::ECB);
-            cipher.Transcode(enc_keys[j].data(), 0x10, header->key_area[j].data(),
-                             Core::Crypto::Op::Decrypt);
-        }
-
-        Core::Crypto::SHA256Hash validation{};
-        if (!CalculateHMAC256(validation.data(), &header->magic, 0x60, sd_keys[i].data() + 0x10,
-                              0x10)) {
-            return Loader::ResultStatus::ErrorNAXValidationHMACFailed;
-        }
-        if (header->hmac == validation)
-            break;
-    }
-
-    if (i == 2) {
-        return Loader::ResultStatus::ErrorNAXKeyDerivationFailed;
-    }
-
-    type = static_cast<NAXContentType>(i);
-
-    Core::Crypto::Key256 final_key{};
-    std::memcpy(final_key.data(), &header->key_area, final_key.size());
-    const auto enc_file =
-        std::make_shared<OffsetVfsFile>(file, header->file_size, NAX_HEADER_PADDING_SIZE);
-    dec_file = std::make_shared<Core::Crypto::XTSEncryptionLayer>(enc_file, final_key);
-
-    return Loader::ResultStatus::Success;
-}
-
-Loader::ResultStatus NAX::GetStatus() const {
-    return status;
-}
-
-VirtualFile NAX::GetDecrypted() const {
-    return dec_file;
-}
-
-std::shared_ptr<NCA> NAX::AsNCA() const {
-    if (type == NAXContentType::NCA)
-        return std::make_shared<NCA>(GetDecrypted());
-    return nullptr;
-}
-
-NAXContentType NAX::GetContentType() const {
-    return type;
-}
-
-std::vector<std::shared_ptr<VfsFile>> NAX::GetFiles() const {
-    return {dec_file};
-}
-
-std::vector<std::shared_ptr<VfsDirectory>> NAX::GetSubdirectories() const {
-    return {};
-}
-
-std::string NAX::GetName() const {
-    return file->GetName();
-}
-
-std::shared_ptr<VfsDirectory> NAX::GetParentDirectory() const {
-    return file->GetContainingDirectory();
-}
-
-bool NAX::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
-    return false;
-}
-} // namespace FileSys

src/core/file_sys/xts_archive.h

@@ -1,69 +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 <vector>
-#include "common/common_types.h"
-#include "common/swap.h"
-#include "core/crypto/key_manager.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/vfs.h"
-#include "core/loader/loader.h"
-
-namespace FileSys {
-
-struct NAXHeader {
-    std::array<u8, 0x20> hmac;
-    u64_le magic;
-    std::array<Core::Crypto::Key128, 2> key_area;
-    u64_le file_size;
-    INSERT_PADDING_BYTES(0x30);
-};
-static_assert(sizeof(NAXHeader) == 0x80, "NAXHeader has incorrect size.");
-
-enum class NAXContentType : u8 {
-    Save = 0,
-    NCA = 1,
-};
-
-class NAX : public ReadOnlyVfsDirectory {
-public:
-    explicit NAX(VirtualFile file);
-    explicit NAX(VirtualFile file, std::array<u8, 0x10> nca_id);
-
-    Loader::ResultStatus GetStatus() const;
-
-    VirtualFile GetDecrypted() const;
-
-    std::shared_ptr<NCA> AsNCA() const;
-
-    NAXContentType GetContentType() const;
-
-    std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
-
-    std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
-
-    std::string GetName() const override;
-
-    std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
-
-protected:
-    bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
-
-private:
-    Loader::ResultStatus Parse(std::string_view path);
-
-    std::unique_ptr<NAXHeader> header;
-
-    VirtualFile file;
-    Loader::ResultStatus status;
-    NAXContentType type;
-
-    VirtualFile dec_file;
-
-    Core::Crypto::KeyManager keys;
-};
-} // namespace FileSys

src/core/frontend/emu_window.cpp

@@ -8,8 +8,6 @@
 #include "core/frontend/input.h"
 #include "core/settings.h"
 
-namespace Core::Frontend {
-
 class EmuWindow::TouchState : public Input::Factory<Input::TouchDevice>,
                               public std::enable_shared_from_this<TouchState> {
 public:
@@ -110,5 +108,3 @@ void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {
 void EmuWindow::UpdateCurrentFramebufferLayout(unsigned width, unsigned height) {
     NotifyFramebufferLayoutChanged(Layout::DefaultFrameLayout(width, height));
 }
-
-} // namespace Core::Frontend

src/core/frontend/emu_window.h

@@ -10,8 +10,6 @@
 #include "common/common_types.h"
 #include "core/frontend/framebuffer_layout.h"
 
-namespace Core::Frontend {
-
 /**
  * Abstraction class used to provide an interface between emulation code and the frontend
  * (e.g. SDL, QGLWidget, GLFW, etc...).
@@ -34,9 +32,9 @@ class EmuWindow {
 public:
     /// Data structure to store emuwindow configuration
     struct WindowConfig {
-        bool fullscreen = false;
-        int res_width = 0;
-        int res_height = 0;
+        bool fullscreen;
+        int res_width;
+        int res_height;
         std::pair<unsigned, unsigned> min_client_area_size;
     };
 
@@ -168,5 +166,3 @@ private:
      */
     std::tuple<unsigned, unsigned> ClipToTouchScreen(unsigned new_x, unsigned new_y);
 };
-
-} // namespace Core::Frontend

src/core/hle/kernel/errors.h

@@ -11,16 +11,17 @@ namespace Kernel {
 namespace ErrCodes {
 enum {
     // TODO(Subv): Remove these 3DS OS error codes.
+    OutOfHandles = 19,
     SessionClosedByRemote = 26,
+    PortNameTooLong = 30,
     NoPendingSessions = 35,
+    WrongPermission = 46,
     InvalidBufferDescriptor = 48,
+    MaxConnectionsReached = 52,
 
     // Confirmed Switch OS error codes
-    MaxConnectionsReached = 7,
     InvalidAddress = 102,
-    HandleTableFull = 105,
     InvalidMemoryState = 106,
-    InvalidMemoryPermissions = 108,
     InvalidProcessorId = 113,
     InvalidHandle = 114,
     InvalidCombination = 116,
@@ -29,7 +30,6 @@ enum {
     TooLarge = 119,
     InvalidEnumValue = 120,
     InvalidState = 125,
-    ResourceLimitExceeded = 132,
 };
 }
 
@@ -37,21 +37,18 @@ enum {
 // double check that the code matches before re-using the constant.
 
 // TODO(bunnei): Replace these with correct errors for Switch OS
-constexpr ResultCode ERR_HANDLE_TABLE_FULL(ErrorModule::Kernel, ErrCodes::HandleTableFull);
+constexpr ResultCode ERR_OUT_OF_HANDLES(-1);
 constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(-1);
-constexpr ResultCode ERR_PORT_NAME_TOO_LONG(ErrorModule::Kernel, ErrCodes::TooLarge);
-constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(ErrorModule::Kernel,
-                                                 ErrCodes::MaxConnectionsReached);
+constexpr ResultCode ERR_PORT_NAME_TOO_LONG(-1);
+constexpr ResultCode ERR_WRONG_PERMISSION(-1);
+constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(-1);
 constexpr ResultCode ERR_INVALID_ENUM_VALUE(ErrorModule::Kernel, ErrCodes::InvalidEnumValue);
 constexpr ResultCode ERR_INVALID_ENUM_VALUE_FND(-1);
 constexpr ResultCode ERR_INVALID_COMBINATION(-1);
-constexpr ResultCode ERR_INVALID_COMBINATION_KERNEL(ErrorModule::Kernel,
-                                                    ErrCodes::InvalidCombination);
+constexpr ResultCode ERR_INVALID_COMBINATION_KERNEL(-1);
 constexpr ResultCode ERR_OUT_OF_MEMORY(-1);
 constexpr ResultCode ERR_INVALID_ADDRESS(ErrorModule::Kernel, ErrCodes::InvalidAddress);
 constexpr ResultCode ERR_INVALID_ADDRESS_STATE(ErrorModule::Kernel, ErrCodes::InvalidMemoryState);
-constexpr ResultCode ERR_INVALID_MEMORY_PERMISSIONS(ErrorModule::Kernel,
-                                                    ErrCodes::InvalidMemoryPermissions);
 constexpr ResultCode ERR_INVALID_HANDLE(ErrorModule::Kernel, ErrCodes::InvalidHandle);
 constexpr ResultCode ERR_INVALID_STATE(ErrorModule::Kernel, ErrCodes::InvalidState);
 constexpr ResultCode ERR_INVALID_POINTER(-1);

src/core/hle/kernel/handle_table.cpp

@@ -26,7 +26,7 @@ ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
     u16 slot = next_free_slot;
     if (slot >= generations.size()) {
         LOG_ERROR(Kernel, "Unable to allocate Handle, too many slots in use.");
-        return ERR_HANDLE_TABLE_FULL;
+        return ERR_OUT_OF_HANDLES;
     }
     next_free_slot = generations[slot];
 

src/core/hle/kernel/handle_table.h

@@ -47,7 +47,7 @@ public:
     /**
      * Allocates a handle for the given object.
      * @return The created Handle or one of the following errors:
-     *           - `ERR_HANDLE_TABLE_FULL`: the maximum number of handles has been exceeded.
+     *           - `ERR_OUT_OF_HANDLES`: the maximum number of handles has been exceeded.
      */
     ResultVal<Handle> Create(SharedPtr<Object> obj);
 

src/core/hle/kernel/kernel.cpp

@@ -11,7 +11,7 @@
 
 namespace Kernel {
 
-std::atomic<u32> Object::next_object_id{0};
+unsigned int Object::next_object_id;
 
 /// Initialize the kernel
 void Init() {

src/core/hle/kernel/object.h

@@ -4,7 +4,6 @@
 
 #pragma once
 
-#include <atomic>
 #include <string>
 #include <utility>
 
@@ -43,8 +42,8 @@ public:
     virtual ~Object();
 
     /// Returns a unique identifier for the object. For debugging purposes only.
-    u32 GetObjectId() const {
-        return object_id.load(std::memory_order_relaxed);
+    unsigned int GetObjectId() const {
+        return object_id;
     }
 
     virtual std::string GetTypeName() const {
@@ -62,23 +61,23 @@ public:
     bool IsWaitable() const;
 
 public:
-    static std::atomic<u32> next_object_id;
+    static unsigned int next_object_id;
 
 private:
     friend void intrusive_ptr_add_ref(Object*);
     friend void intrusive_ptr_release(Object*);
 
-    std::atomic<u32> ref_count{0};
-    std::atomic<u32> object_id{next_object_id++};
+    unsigned int ref_count = 0;
+    unsigned int object_id = next_object_id++;
 };
 
 // Special functions used by boost::instrusive_ptr to do automatic ref-counting
 inline void intrusive_ptr_add_ref(Object* object) {
-    object->ref_count.fetch_add(1, std::memory_order_relaxed);
+    ++object->ref_count;
 }
 
 inline void intrusive_ptr_release(Object* object) {
-    if (object->ref_count.fetch_sub(1, std::memory_order_acq_rel) == 1) {
+    if (--object->ref_count == 0) {
         delete object;
     }
 }

src/core/hle/kernel/scheduler.cpp

@@ -17,7 +17,7 @@ namespace Kernel {
 
 std::mutex Scheduler::scheduler_mutex;
 
-Scheduler::Scheduler(Core::ARM_Interface* cpu_core) : cpu_core(cpu_core) {}
+Scheduler::Scheduler(ARM_Interface* cpu_core) : cpu_core(cpu_core) {}
 
 Scheduler::~Scheduler() {
     for (auto& thread : thread_list) {
@@ -25,7 +25,7 @@ Scheduler::~Scheduler() {
     }
 }
 
-bool Scheduler::HaveReadyThreads() const {
+bool Scheduler::HaveReadyThreads() {
     std::lock_guard<std::mutex> lock(scheduler_mutex);
     return ready_queue.get_first() != nullptr;
 }

src/core/hle/kernel/scheduler.h

@@ -11,19 +11,17 @@
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/thread.h"
 
-namespace Core {
 class ARM_Interface;
-}
 
 namespace Kernel {
 
 class Scheduler final {
 public:
-    explicit Scheduler(Core::ARM_Interface* cpu_core);
+    explicit Scheduler(ARM_Interface* cpu_core);
     ~Scheduler();
 
     /// Returns whether there are any threads that are ready to run.
-    bool HaveReadyThreads() const;
+    bool HaveReadyThreads();
 
     /// Reschedules to the next available thread (call after current thread is suspended)
     void Reschedule();
@@ -72,7 +70,7 @@ private:
 
     SharedPtr<Thread> current_thread = nullptr;
 
-    Core::ARM_Interface* cpu_core;
+    ARM_Interface* cpu_core;
 
     static std::mutex scheduler_mutex;
 };

src/core/hle/kernel/server_session.cpp

@@ -71,14 +71,6 @@ ResultCode ServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& con
         const u32 object_id{context.GetDomainMessageHeader()->object_id};
         switch (domain_message_header->command) {
         case IPC::DomainMessageHeader::CommandType::SendMessage:
-            if (object_id > domain_request_handlers.size()) {
-                LOG_CRITICAL(IPC,
-                             "object_id {} is too big! This probably means a recent service call "
-                             "to {} needed to return a new interface!",
-                             object_id, name);
-                UNREACHABLE();
-                return RESULT_SUCCESS; // Ignore error if asserts are off
-            }
             return domain_request_handlers[object_id - 1]->HandleSyncRequest(context);
 
         case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: {
@@ -152,7 +144,7 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
     // Handle scenario when ConvertToDomain command was issued, as we must do the conversion at the
     // end of the command such that only commands following this one are handled as domains
     if (convert_to_domain) {
-        ASSERT_MSG(IsSession(), "ServerSession is already a domain instance.");
+        ASSERT_MSG(domain_request_handlers.empty(), "already a domain");
         domain_request_handlers = {hle_handler};
         convert_to_domain = false;
     }

src/core/hle/kernel/server_session.h

@@ -97,12 +97,7 @@ public:
 
     /// Returns true if the session has been converted to a domain, otherwise False
     bool IsDomain() const {
-        return !IsSession();
-    }
-
-    /// Returns true if this session has not been converted to a domain, otherwise false.
-    bool IsSession() const {
-        return domain_request_handlers.empty();
+        return !domain_request_handlers.empty();
     }
 
     /// Converts the session to a domain at the end of the current command

src/core/hle/kernel/shared_memory.cpp

@@ -101,7 +101,7 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
         static_cast<u32>(this->permissions) & ~static_cast<u32>(other_permissions)) {
         LOG_ERROR(Kernel, "cannot map id={}, address=0x{:X} name={}, permissions don't match",
                   GetObjectId(), address, name);
-        return ERR_INVALID_MEMORY_PERMISSIONS;
+        return ERR_WRONG_PERMISSION;
     }
 
     VAddr target_address = address;

src/core/hle/kernel/svc.cpp

@@ -250,11 +250,8 @@ static ResultCode ArbitrateUnlock(VAddr mutex_addr) {
 }
 
 /// Break program execution
-static void Break(u64 reason, u64 info1, u64 info2) {
-    LOG_CRITICAL(
-        Debug_Emulated,
-        "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
-        reason, info1, info2);
+static void Break(u64 unk_0, u64 unk_1, u64 unk_2) {
+    LOG_CRITICAL(Debug_Emulated, "Emulated program broke execution!");
     ASSERT(false);
 }
 
@@ -319,7 +316,8 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
         *result = Core::CurrentProcess()->is_virtual_address_memory_enabled;
         break;
     case GetInfoType::TitleId:
-        *result = Core::CurrentProcess()->program_id;
+        LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query titleid, returned 0");
+        *result = 0;
         break;
     case GetInfoType::PrivilegedProcessId:
         LOG_WARNING(Kernel_SVC,
@@ -534,6 +532,7 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
     CASCADE_RESULT(thread->guest_handle, g_handle_table.Create(thread));
     *out_handle = thread->guest_handle;
 
+    Core::System::GetInstance().PrepareReschedule();
     Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
 
     LOG_TRACE(Kernel_SVC,
@@ -707,7 +706,8 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
             Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
             auto owner = g_handle_table.Get<Thread>(owner_handle);
             ASSERT(owner);
-            ASSERT(thread->status == ThreadStatus::WaitMutex);
+            ASSERT(thread->status != ThreadStatus::Running);
+            thread->status = ThreadStatus::WaitMutex;
             thread->wakeup_callback = nullptr;
 
             owner->AddMutexWaiter(thread);

src/core/hle/kernel/thread.cpp

@@ -23,7 +23,6 @@
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/thread.h"
-#include "core/hle/lock.h"
 #include "core/hle/result.h"
 #include "core/memory.h"
 
@@ -105,10 +104,6 @@ void ExitCurrentThread() {
  */
 static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) {
     const auto proper_handle = static_cast<Handle>(thread_handle);
-
-    // Lock the global kernel mutex when we enter the kernel HLE.
-    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
-
     SharedPtr<Thread> thread = wakeup_callback_handle_table.Get<Thread>(proper_handle);
     if (thread == nullptr) {
         LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", proper_handle);
@@ -160,14 +155,12 @@ void Thread::WakeAfterDelay(s64 nanoseconds) {
     if (nanoseconds == -1)
         return;
 
-    // This function might be called from any thread so we have to be cautious and use the
-    // thread-safe version of ScheduleEvent.
-    CoreTiming::ScheduleEventThreadsafe(CoreTiming::nsToCycles(nanoseconds), ThreadWakeupEventType,
-                                        callback_handle);
+    CoreTiming::ScheduleEvent(CoreTiming::nsToCycles(nanoseconds), ThreadWakeupEventType,
+                              callback_handle);
 }
 
 void Thread::CancelWakeupTimer() {
-    CoreTiming::UnscheduleEventThreadsafe(ThreadWakeupEventType, callback_handle);
+    CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle);
 }
 
 static boost::optional<s32> GetNextProcessorId(u64 mask) {
@@ -283,9 +276,9 @@ static std::tuple<std::size_t, std::size_t, bool> GetFreeThreadLocalSlot(
  * @param entry_point Address of entry point for execution
  * @param arg User argument for thread
  */
-static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAddr stack_top,
+static void ResetThreadContext(ARM_Interface::ThreadContext& context, VAddr stack_top,
                                VAddr entry_point, u64 arg) {
-    memset(&context, 0, sizeof(Core::ARM_Interface::ThreadContext));
+    memset(&context, 0, sizeof(ARM_Interface::ThreadContext));
 
     context.cpu_registers[0] = arg;
     context.pc = entry_point;
@@ -426,33 +419,12 @@ VAddr Thread::GetCommandBufferAddress() const {
 }
 
 void Thread::AddMutexWaiter(SharedPtr<Thread> thread) {
-    if (thread->lock_owner == this) {
-        // If the thread is already waiting for this thread to release the mutex, ensure that the
-        // waiters list is consistent and return without doing anything.
-        auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
-        ASSERT(itr != wait_mutex_threads.end());
-        return;
-    }
-
-    // A thread can't wait on two different mutexes at the same time.
-    ASSERT(thread->lock_owner == nullptr);
-
-    // Ensure that the thread is not already in the list of mutex waiters
-    auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
-    ASSERT(itr == wait_mutex_threads.end());
-
     thread->lock_owner = this;
     wait_mutex_threads.emplace_back(std::move(thread));
     UpdatePriority();
 }
 
 void Thread::RemoveMutexWaiter(SharedPtr<Thread> thread) {
-    ASSERT(thread->lock_owner == this);
-
-    // Ensure that the thread is in the list of mutex waiters
-    auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
-    ASSERT(itr != wait_mutex_threads.end());
-
     boost::remove_erase(wait_mutex_threads, thread);
     thread->lock_owner = nullptr;
     UpdatePriority();

src/core/hle/kernel/thread.h

@@ -204,7 +204,7 @@ public:
         return status == ThreadStatus::WaitSynchAll;
     }
 
-    Core::ARM_Interface::ThreadContext context;
+    ARM_Interface::ThreadContext context;
 
     u32 thread_id;
 

src/core/hle/result.h

@@ -227,7 +227,7 @@ public:
         }
     }
 
-    ResultVal(ResultVal&& o) noexcept : result_code(o.result_code) {
+    ResultVal(ResultVal&& o) : result_code(o.result_code) {
         if (!o.empty()) {
             new (&object) T(std::move(o.object));
         }