nso: Return an optional address from LoadModule

If a malformed NSO is attempted to be loaded, we shouldn't continue
onwards. We should be reporting an error and bailing out.

CMakeLists.txt

@@ -348,14 +348,6 @@ ELSEIF (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
     set(PLATFORM_LIBRARIES rt)
 ENDIF (APPLE)
 
-# MINGW: GCC does not support codecvt, so use iconv instead
-if (UNIX OR MINGW)
-    find_library(ICONV_LIBRARY NAMES iconv)
-    if (ICONV_LIBRARY)
-        list(APPEND PLATFORM_LIBRARIES ${ICONV_LIBRARY})
-    endif()
-endif()
-
 # Setup a custom clang-format target (if clang-format can be found) that will run
 # against all the src files. This should be used before making a pull request.
 # =======================================================================

CONTRIBUTING.md

@@ -22,7 +22,7 @@ If clang format is found, then cmake will add a custom build target that can be
 * Don't ever introduce new external dependencies into Core
 * Don't use any platform specific code in Core
 * Use namespaces often
-* Avoid the use of C-style casts and instead prefer C++-style `static_cast` and `reinterpret_cast`. Try to avoid using `dynamic_cast`. Never use `const_cast`. The only exception to this rule is for casting between two numeric types, where C-style casts are encouraged for brevity and readability.
+* Avoid the use of C-style casts and instead prefer C++-style `static_cast` and `reinterpret_cast`. Try to avoid using `dynamic_cast`. Never use `const_cast`.
 
 ### Naming Rules
 * Functions: `PascalCase`

src/audio_core/audio_renderer.cpp

@@ -30,7 +30,7 @@ public:
         return info;
     }
 
-    VoiceInfo& Info() {
+    VoiceInfo& GetInfo() {
         return info;
     }
 
@@ -51,9 +51,30 @@ private:
     VoiceInfo info{};
 };
 
+class AudioRenderer::EffectState {
+public:
+    const EffectOutStatus& GetOutStatus() const {
+        return out_status;
+    }
+
+    const EffectInStatus& GetInfo() const {
+        return info;
+    }
+
+    EffectInStatus& GetInfo() {
+        return info;
+    }
+
+    void UpdateState();
+
+private:
+    EffectOutStatus out_status{};
+    EffectInStatus info{};
+};
 AudioRenderer::AudioRenderer(AudioRendererParameter params,
                              Kernel::SharedPtr<Kernel::Event> buffer_event)
-    : worker_params{params}, buffer_event{buffer_event}, voices(params.voice_count) {
+    : worker_params{params}, buffer_event{buffer_event}, voices(params.voice_count),
+      effects(params.effect_count) {
 
     audio_out = std::make_unique<AudioCore::AudioOut>();
     stream = audio_out->OpenStream(STREAM_SAMPLE_RATE, STREAM_NUM_CHANNELS, "AudioRenderer",
@@ -96,11 +117,29 @@ std::vector<u8> AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_
                 memory_pool_count * sizeof(MemoryPoolInfo));
 
     // Copy VoiceInfo structs
-    std::size_t offset{sizeof(UpdateDataHeader) + config.behavior_size + config.memory_pools_size +
-                       config.voice_resource_size};
+    std::size_t voice_offset{sizeof(UpdateDataHeader) + config.behavior_size +
+                             config.memory_pools_size + config.voice_resource_size};
     for (auto& voice : voices) {
-        std::memcpy(&voice.Info(), input_params.data() + offset, sizeof(VoiceInfo));
-        offset += sizeof(VoiceInfo);
+        std::memcpy(&voice.GetInfo(), input_params.data() + voice_offset, sizeof(VoiceInfo));
+        voice_offset += sizeof(VoiceInfo);
+    }
+
+    std::size_t effect_offset{sizeof(UpdateDataHeader) + config.behavior_size +
+                              config.memory_pools_size + config.voice_resource_size +
+                              config.voices_size};
+    for (auto& effect : effects) {
+        std::memcpy(&effect.GetInfo(), input_params.data() + effect_offset, sizeof(EffectInStatus));
+        effect_offset += sizeof(EffectInStatus);
+    }
+
+    // Update memory pool state
+    std::vector<MemoryPoolEntry> memory_pool(memory_pool_count);
+    for (std::size_t index = 0; index < memory_pool.size(); ++index) {
+        if (mem_pool_info[index].pool_state == MemoryPoolStates::RequestAttach) {
+            memory_pool[index].state = MemoryPoolStates::Attached;
+        } else if (mem_pool_info[index].pool_state == MemoryPoolStates::RequestDetach) {
+            memory_pool[index].state = MemoryPoolStates::Detached;
+        }
     }
 
     // Update voices
@@ -114,14 +153,8 @@ std::vector<u8> AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_
         }
     }
 
-    // Update memory pool state
-    std::vector<MemoryPoolEntry> memory_pool(memory_pool_count);
-    for (std::size_t index = 0; index < memory_pool.size(); ++index) {
-        if (mem_pool_info[index].pool_state == MemoryPoolStates::RequestAttach) {
-            memory_pool[index].state = MemoryPoolStates::Attached;
-        } else if (mem_pool_info[index].pool_state == MemoryPoolStates::RequestDetach) {
-            memory_pool[index].state = MemoryPoolStates::Detached;
-        }
+    for (auto& effect : effects) {
+        effect.UpdateState();
     }
 
     // Release previous buffers and queue next ones for playback
@@ -144,6 +177,14 @@ std::vector<u8> AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_
         voice_out_status_offset += sizeof(VoiceOutStatus);
     }
 
+    std::size_t effect_out_status_offset{
+        sizeof(UpdateDataHeader) + response_data.memory_pools_size + response_data.voices_size +
+        response_data.voice_resource_size};
+    for (const auto& effect : effects) {
+        std::memcpy(output_params.data() + effect_out_status_offset, &effect.GetOutStatus(),
+                    sizeof(EffectOutStatus));
+        effect_out_status_offset += sizeof(EffectOutStatus);
+    }
     return output_params;
 }
 
@@ -244,11 +285,29 @@ void AudioRenderer::VoiceState::RefreshBuffer() {
         break;
     }
 
-    samples = Interpolate(interp_state, std::move(samples), Info().sample_rate, STREAM_SAMPLE_RATE);
+    samples =
+        Interpolate(interp_state, std::move(samples), GetInfo().sample_rate, STREAM_SAMPLE_RATE);
 
     is_refresh_pending = false;
 }
 
+void AudioRenderer::EffectState::UpdateState() {
+    if (info.is_new) {
+        out_status.state = EffectStatus::New;
+    } else {
+        if (info.type == Effect::Aux) {
+            ASSERT_MSG(Memory::Read32(info.aux_info.return_buffer_info) == 0,
+                       "Aux buffers tried to update");
+            ASSERT_MSG(Memory::Read32(info.aux_info.send_buffer_info) == 0,
+                       "Aux buffers tried to update");
+            ASSERT_MSG(Memory::Read32(info.aux_info.return_buffer_base) == 0,
+                       "Aux buffers tried to update");
+            ASSERT_MSG(Memory::Read32(info.aux_info.send_buffer_base) == 0,
+                       "Aux buffers tried to update");
+        }
+    }
+}
+
 static constexpr s16 ClampToS16(s32 value) {
     return static_cast<s16>(std::clamp(value, -32768, 32767));
 }

src/audio_core/audio_renderer.h

@@ -28,6 +28,16 @@ enum class PlayState : u8 {
     Paused = 2,
 };
 
+enum class Effect : u8 {
+    None = 0,
+    Aux = 2,
+};
+
+enum class EffectStatus : u8 {
+    None = 0,
+    New = 1,
+};
+
 struct AudioRendererParameter {
     u32_le sample_rate;
     u32_le sample_count;
@@ -128,6 +138,43 @@ struct VoiceOutStatus {
 };
 static_assert(sizeof(VoiceOutStatus) == 0x10, "VoiceOutStatus has wrong size");
 
+struct AuxInfo {
+    std::array<u8, 24> input_mix_buffers;
+    std::array<u8, 24> output_mix_buffers;
+    u32_le mix_buffer_count;
+    u32_le sample_rate; // Stored in the aux buffer currently
+    u32_le sampe_count;
+    u64_le send_buffer_info;
+    u64_le send_buffer_base;
+
+    u64_le return_buffer_info;
+    u64_le return_buffer_base;
+};
+static_assert(sizeof(AuxInfo) == 0x60, "AuxInfo is an invalid size");
+
+struct EffectInStatus {
+    Effect type;
+    u8 is_new;
+    u8 is_enabled;
+    INSERT_PADDING_BYTES(1);
+    u32_le mix_id;
+    u64_le buffer_base;
+    u64_le buffer_sz;
+    s32_le priority;
+    INSERT_PADDING_BYTES(4);
+    union {
+        std::array<u8, 0xa0> raw;
+        AuxInfo aux_info;
+    };
+};
+static_assert(sizeof(EffectInStatus) == 0xc0, "EffectInStatus is an invalid size");
+
+struct EffectOutStatus {
+    EffectStatus state;
+    INSERT_PADDING_BYTES(0xf);
+};
+static_assert(sizeof(EffectOutStatus) == 0x10, "EffectOutStatus is an invalid size");
+
 struct UpdateDataHeader {
     UpdateDataHeader() {}
 
@@ -173,11 +220,13 @@ public:
     Stream::State GetStreamState() const;
 
 private:
+    class EffectState;
     class VoiceState;
 
     AudioRendererParameter worker_params;
     Kernel::SharedPtr<Kernel::Event> buffer_event;
     std::vector<VoiceState> voices;
+    std::vector<EffectState> effects;
     std::unique_ptr<AudioOut> audio_out;
     AudioCore::StreamPtr stream;
 };

src/common/CMakeLists.txt

@@ -29,7 +29,7 @@ if ($ENV{CI})
       if (BUILD_VERSION)
         # This leaves a trailing space on the last word, but we actually want that
         # because of how it's styled in the title bar.
-        set(BUILD_FULLNAME "${REPO_NAME} #${BUILD_VERSION} ")
+        set(BUILD_FULLNAME "${REPO_NAME} ${BUILD_VERSION} ")
       else()
         set(BUILD_FULLNAME "")
       endif()

src/common/file_util.h

@@ -285,7 +285,7 @@ private:
 template <typename T>
 void OpenFStream(T& fstream, const std::string& filename, std::ios_base::openmode openmode) {
 #ifdef _MSC_VER
-    fstream.open(Common::UTF8ToTStr(filename).c_str(), openmode);
+    fstream.open(Common::UTF8ToUTF16W(filename).c_str(), openmode);
 #else
     fstream.open(filename.c_str(), openmode);
 #endif

src/common/hex_util.cpp

@@ -18,6 +18,25 @@ u8 ToHexNibble(char c1) {
     return 0;
 }
 
+std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) {
+    std::vector<u8> out(str.size() / 2);
+    if (little_endian) {
+        for (std::size_t i = str.size() - 2; i <= str.size(); i -= 2)
+            out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
+    } else {
+        for (std::size_t i = 0; i < str.size(); i += 2)
+            out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
+    }
+    return out;
+}
+
+std::string HexVectorToString(const std::vector<u8>& vector, bool upper) {
+    std::string out;
+    for (u8 c : vector)
+        out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
+    return out;
+}
+
 std::array<u8, 16> operator""_array16(const char* str, std::size_t len) {
     if (len != 32) {
         LOG_ERROR(Common,

src/common/hex_util.h

@@ -7,6 +7,7 @@
 #include <array>
 #include <cstddef>
 #include <string>
+#include <vector>
 #include <fmt/format.h>
 #include "common/common_types.h"
 
@@ -14,6 +15,8 @@ namespace Common {
 
 u8 ToHexNibble(char c1);
 
+std::vector<u8> HexStringToVector(std::string_view str, bool little_endian);
+
 template <std::size_t Size, bool le = false>
 std::array<u8, Size> HexStringToArray(std::string_view str) {
     std::array<u8, Size> out{};
@@ -27,6 +30,8 @@ std::array<u8, Size> HexStringToArray(std::string_view str) {
     return out;
 }
 
+std::string HexVectorToString(const std::vector<u8>& vector, bool upper = true);
+
 template <std::size_t Size>
 std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
     std::string out;

src/common/logging/text_formatter.cpp

@@ -31,7 +31,7 @@ std::string FormatLogMessage(const Entry& entry) {
 }
 
 void PrintMessage(const Entry& entry) {
-    auto str = FormatLogMessage(entry) + '\n';
+    const auto str = FormatLogMessage(entry).append(1, '\n');
     fputs(str.c_str(), stderr);
 }
 

src/common/param_package.cpp

@@ -20,7 +20,15 @@ constexpr char KEY_VALUE_SEPARATOR_ESCAPE[] = "$0";
 constexpr char PARAM_SEPARATOR_ESCAPE[] = "$1";
 constexpr char ESCAPE_CHARACTER_ESCAPE[] = "$2";
 
+/// A placeholder for empty param packages to avoid empty strings
+/// (they may be recognized as "not set" by some frontend libraries like qt)
+constexpr char EMPTY_PLACEHOLDER[] = "[empty]";
+
 ParamPackage::ParamPackage(const std::string& serialized) {
+    if (serialized == EMPTY_PLACEHOLDER) {
+        return;
+    }
+
     std::vector<std::string> pairs;
     Common::SplitString(serialized, PARAM_SEPARATOR, pairs);
 
@@ -46,7 +54,7 @@ ParamPackage::ParamPackage(std::initializer_list<DataType::value_type> list) : d
 
 std::string ParamPackage::Serialize() const {
     if (data.empty())
-        return "";
+        return EMPTY_PLACEHOLDER;
 
     std::string result;
 
@@ -120,4 +128,12 @@ bool ParamPackage::Has(const std::string& key) const {
     return data.find(key) != data.end();
 }
 
+void ParamPackage::Erase(const std::string& key) {
+    data.erase(key);
+}
+
+void ParamPackage::Clear() {
+    data.clear();
+}
+
 } // namespace Common

src/common/param_package.h

@@ -32,6 +32,8 @@ public:
     void Set(const std::string& key, int value);
     void Set(const std::string& key, float value);
     bool Has(const std::string& key) const;
+    void Erase(const std::string& key);
+    void Clear();
 
 private:
     DataType data;

src/common/string_util.cpp

@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <cctype>
 #include <cerrno>
+#include <codecvt>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
@@ -13,11 +14,7 @@
 #include "common/string_util.h"
 
 #ifdef _WIN32
-#include <codecvt>
 #include <windows.h>
-#include "common/common_funcs.h"
-#else
-#include <iconv.h>
 #endif
 
 namespace Common {
@@ -195,11 +192,9 @@ std::string ReplaceAll(std::string result, const std::string& src, const std::st
     return result;
 }
 
-#ifdef _WIN32
-
 std::string UTF16ToUTF8(const std::u16string& input) {
-#if _MSC_VER >= 1900
-    // Workaround for missing char16_t/char32_t instantiations in MSVC2015
+#ifdef _MSC_VER
+    // Workaround for missing char16_t/char32_t instantiations in MSVC2017
     std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
     std::basic_string<__int16> tmp_buffer(input.cbegin(), input.cend());
     return convert.to_bytes(tmp_buffer);
@@ -210,8 +205,8 @@ std::string UTF16ToUTF8(const std::u16string& input) {
 }
 
 std::u16string UTF8ToUTF16(const std::string& input) {
-#if _MSC_VER >= 1900
-    // Workaround for missing char16_t/char32_t instantiations in MSVC2015
+#ifdef _MSC_VER
+    // Workaround for missing char16_t/char32_t instantiations in MSVC2017
     std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
     auto tmp_buffer = convert.from_bytes(input);
     return std::u16string(tmp_buffer.cbegin(), tmp_buffer.cend());
@@ -221,6 +216,7 @@ std::u16string UTF8ToUTF16(const std::string& input) {
 #endif
 }
 
+#ifdef _WIN32
 static std::wstring CPToUTF16(u32 code_page, const std::string& input) {
     const auto size =
         MultiByteToWideChar(code_page, 0, input.data(), static_cast<int>(input.size()), nullptr, 0);
@@ -261,124 +257,6 @@ std::wstring UTF8ToUTF16W(const std::string& input) {
     return CPToUTF16(CP_UTF8, input);
 }
 
-std::string SHIFTJISToUTF8(const std::string& input) {
-    return UTF16ToUTF8(CPToUTF16(932, input));
-}
-
-std::string CP1252ToUTF8(const std::string& input) {
-    return UTF16ToUTF8(CPToUTF16(1252, input));
-}
-
-#else
-
-template <typename T>
-static std::string CodeToUTF8(const char* fromcode, const std::basic_string<T>& input) {
-    iconv_t const conv_desc = iconv_open("UTF-8", fromcode);
-    if ((iconv_t)(-1) == conv_desc) {
-        LOG_ERROR(Common, "Iconv initialization failure [{}]: {}", fromcode, strerror(errno));
-        iconv_close(conv_desc);
-        return {};
-    }
-
-    const std::size_t in_bytes = sizeof(T) * input.size();
-    // Multiply by 4, which is the max number of bytes to encode a codepoint
-    const std::size_t out_buffer_size = 4 * in_bytes;
-
-    std::string out_buffer(out_buffer_size, '\0');
-
-    auto src_buffer = &input[0];
-    std::size_t src_bytes = in_bytes;
-    auto dst_buffer = &out_buffer[0];
-    std::size_t dst_bytes = out_buffer.size();
-
-    while (0 != src_bytes) {
-        std::size_t const iconv_result =
-            iconv(conv_desc, (char**)(&src_buffer), &src_bytes, &dst_buffer, &dst_bytes);
-
-        if (static_cast<std::size_t>(-1) == iconv_result) {
-            if (EILSEQ == errno || EINVAL == errno) {
-                // Try to skip the bad character
-                if (0 != src_bytes) {
-                    --src_bytes;
-                    ++src_buffer;
-                }
-            } else {
-                LOG_ERROR(Common, "iconv failure [{}]: {}", fromcode, strerror(errno));
-                break;
-            }
-        }
-    }
-
-    std::string result;
-    out_buffer.resize(out_buffer_size - dst_bytes);
-    out_buffer.swap(result);
-
-    iconv_close(conv_desc);
-
-    return result;
-}
-
-std::u16string UTF8ToUTF16(const std::string& input) {
-    iconv_t const conv_desc = iconv_open("UTF-16LE", "UTF-8");
-    if ((iconv_t)(-1) == conv_desc) {
-        LOG_ERROR(Common, "Iconv initialization failure [UTF-8]: {}", strerror(errno));
-        iconv_close(conv_desc);
-        return {};
-    }
-
-    const std::size_t in_bytes = sizeof(char) * input.size();
-    // Multiply by 4, which is the max number of bytes to encode a codepoint
-    const std::size_t out_buffer_size = 4 * sizeof(char16_t) * in_bytes;
-
-    std::u16string out_buffer(out_buffer_size, char16_t{});
-
-    char* src_buffer = const_cast<char*>(&input[0]);
-    std::size_t src_bytes = in_bytes;
-    char* dst_buffer = (char*)(&out_buffer[0]);
-    std::size_t dst_bytes = out_buffer.size();
-
-    while (0 != src_bytes) {
-        std::size_t const iconv_result =
-            iconv(conv_desc, &src_buffer, &src_bytes, &dst_buffer, &dst_bytes);
-
-        if (static_cast<std::size_t>(-1) == iconv_result) {
-            if (EILSEQ == errno || EINVAL == errno) {
-                // Try to skip the bad character
-                if (0 != src_bytes) {
-                    --src_bytes;
-                    ++src_buffer;
-                }
-            } else {
-                LOG_ERROR(Common, "iconv failure [UTF-8]: {}", strerror(errno));
-                break;
-            }
-        }
-    }
-
-    std::u16string result;
-    out_buffer.resize(out_buffer_size - dst_bytes);
-    out_buffer.swap(result);
-
-    iconv_close(conv_desc);
-
-    return result;
-}
-
-std::string UTF16ToUTF8(const std::u16string& input) {
-    return CodeToUTF8("UTF-16LE", input);
-}
-
-std::string CP1252ToUTF8(const std::string& input) {
-    // return CodeToUTF8("CP1252//TRANSLIT", input);
-    // return CodeToUTF8("CP1252//IGNORE", input);
-    return CodeToUTF8("CP1252", input);
-}
-
-std::string SHIFTJISToUTF8(const std::string& input) {
-    // return CodeToUTF8("CP932", input);
-    return CodeToUTF8("SJIS", input);
-}
-
 #endif
 
 std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, std::size_t max_len) {

src/common/string_util.h

@@ -72,31 +72,10 @@ std::string ReplaceAll(std::string result, const std::string& src, const std::st
 std::string UTF16ToUTF8(const std::u16string& input);
 std::u16string UTF8ToUTF16(const std::string& input);
 
-std::string CP1252ToUTF8(const std::string& str);
-std::string SHIFTJISToUTF8(const std::string& str);
-
 #ifdef _WIN32
 std::string UTF16ToUTF8(const std::wstring& input);
 std::wstring UTF8ToUTF16W(const std::string& str);
 
-#ifdef _UNICODE
-inline std::string TStrToUTF8(const std::wstring& str) {
-    return UTF16ToUTF8(str);
-}
-
-inline std::wstring UTF8ToTStr(const std::string& str) {
-    return UTF8ToUTF16W(str);
-}
-#else
-inline std::string TStrToUTF8(const std::string& str) {
-    return str;
-}
-
-inline std::string UTF8ToTStr(const std::string& str) {
-    return str;
-}
-#endif
-
 #endif
 
 /**

src/core/CMakeLists.txt

@@ -18,6 +18,8 @@ add_library(core STATIC
     crypto/encryption_layer.h
     crypto/key_manager.cpp
     crypto/key_manager.h
+    crypto/partition_data_manager.cpp
+    crypto/partition_data_manager.h
     crypto/ctr_encryption_layer.cpp
     crypto/ctr_encryption_layer.h
     crypto/xts_encryption_layer.cpp
@@ -34,6 +36,8 @@ add_library(core STATIC
     file_sys/errors.h
     file_sys/fsmitm_romfsbuild.cpp
     file_sys/fsmitm_romfsbuild.h
+    file_sys/ips_layer.cpp
+    file_sys/ips_layer.h
     file_sys/mode.h
     file_sys/nca_metadata.cpp
     file_sys/nca_metadata.h
@@ -68,6 +72,7 @@ add_library(core STATIC
     file_sys/vfs_real.cpp
     file_sys/vfs_real.h
     file_sys/vfs_static.h
+    file_sys/vfs_types.h
     file_sys/vfs_vector.cpp
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -86,7 +86,7 @@ public:
                 parent.jit->HaltExecution();
                 parent.SetPC(pc);
                 Kernel::Thread* thread = Kernel::GetCurrentThread();
-                parent.SaveContext(thread->context);
+                parent.SaveContext(thread->GetContext());
                 GDBStub::Break();
                 GDBStub::SendTrap(thread, 5);
                 return;
@@ -129,7 +129,7 @@ public:
 };
 
 std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
-    auto& current_process = Core::CurrentProcess();
+    auto* current_process = Core::CurrentProcess();
     auto** const page_table = current_process->VMManager().page_table.pointers.data();
 
     Dynarmic::A64::UserConfig config;

src/core/arm/unicorn/arm_unicorn.cpp

@@ -195,7 +195,7 @@ void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
             uc_reg_write(uc, UC_ARM64_REG_PC, &last_bkpt.address);
         }
         Kernel::Thread* thread = Kernel::GetCurrentThread();
-        SaveContext(thread->context);
+        SaveContext(thread->GetContext());
         if (last_bkpt_hit || GDBStub::GetCpuStepFlag()) {
             last_bkpt_hit = false;
             GDBStub::Break();

src/core/core.cpp

@@ -136,7 +136,8 @@ struct System::Impl {
         if (virtual_filesystem == nullptr)
             virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
 
-        kernel.MakeCurrentProcess(Kernel::Process::Create(kernel, "main"));
+        auto main_process = Kernel::Process::Create(kernel, "main");
+        kernel.MakeCurrentProcess(main_process.get());
 
         cpu_barrier = std::make_shared<CpuBarrier>();
         cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
@@ -361,11 +362,11 @@ const std::shared_ptr<Kernel::Scheduler>& System::Scheduler(std::size_t core_ind
     return impl->cpu_cores[core_index]->Scheduler();
 }
 
-Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() {
+Kernel::Process* System::CurrentProcess() {
     return impl->kernel.CurrentProcess();
 }
 
-const Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() const {
+const Kernel::Process* System::CurrentProcess() const {
     return impl->kernel.CurrentProcess();
 }
 

src/core/core.h

@@ -174,11 +174,11 @@ public:
     /// Gets the scheduler for the CPU core with the specified index
     const std::shared_ptr<Kernel::Scheduler>& Scheduler(std::size_t core_index);
 
-    /// Provides a reference to the current process
-    Kernel::SharedPtr<Kernel::Process>& CurrentProcess();
+    /// Provides a pointer to the current process
+    Kernel::Process* CurrentProcess();
 
-    /// Provides a constant reference to the current process.
-    const Kernel::SharedPtr<Kernel::Process>& CurrentProcess() const;
+    /// Provides a constant pointer to the current process.
+    const Kernel::Process* CurrentProcess() const;
 
     /// Provides a reference to the kernel instance.
     Kernel::KernelCore& Kernel();
@@ -246,7 +246,7 @@ inline TelemetrySession& Telemetry() {
     return System::GetInstance().TelemetrySession();
 }
 
-inline Kernel::SharedPtr<Kernel::Process>& CurrentProcess() {
+inline Kernel::Process* CurrentProcess() {
     return System::GetInstance().CurrentProcess();
 }
 

src/core/crypto/key_manager.cpp

@@ -4,23 +4,56 @@
 
 #include <algorithm>
 #include <array>
+#include <bitset>
+#include <cctype>
 #include <fstream>
 #include <locale>
+#include <map>
 #include <sstream>
 #include <string_view>
 #include <tuple>
 #include <vector>
+#include <mbedtls/bignum.h>
+#include <mbedtls/cipher.h>
+#include <mbedtls/cmac.h>
+#include <mbedtls/sha256.h>
+#include "common/common_funcs.h"
 #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/crypto/partition_data_manager.h"
+#include "core/file_sys/content_archive.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/partition_filesystem.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/loader.h"
 #include "core/settings.h"
 
 namespace Core::Crypto {
 
+constexpr u64 CURRENT_CRYPTO_REVISION = 0x5;
+
+using namespace Common;
+
+const std::array<SHA256Hash, 2> eticket_source_hashes{
+    "B71DB271DC338DF380AA2C4335EF8873B1AFD408E80B3582D8719FC81C5E511C"_array32, // eticket_rsa_kek_source
+    "E8965A187D30E57869F562D04383C996DE487BBA5761363D2D4D32391866A85C"_array32, // eticket_rsa_kekek_source
+};
+
+const std::map<std::pair<S128KeyType, u64>, std::string> KEYS_VARIABLE_LENGTH{
+    {{S128KeyType::Master, 0}, "master_key_"},
+    {{S128KeyType::Package1, 0}, "package1_key_"},
+    {{S128KeyType::Package2, 0}, "package2_key_"},
+    {{S128KeyType::Titlekek, 0}, "titlekek_"},
+    {{S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob)}, "keyblob_key_source_"},
+    {{S128KeyType::Keyblob, 0}, "keyblob_key_"},
+    {{S128KeyType::KeyblobMAC, 0}, "keyblob_mac_key_"},
+};
+
 Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed) {
     Key128 out{};
 
@@ -37,6 +70,77 @@ Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, K
     return out;
 }
 
+Key128 DeriveKeyblobKey(const Key128& sbk, const Key128& tsec, Key128 source) {
+    AESCipher<Key128> sbk_cipher(sbk, Mode::ECB);
+    AESCipher<Key128> tsec_cipher(tsec, Mode::ECB);
+    tsec_cipher.Transcode(source.data(), source.size(), source.data(), Op::Decrypt);
+    sbk_cipher.Transcode(source.data(), source.size(), source.data(), Op::Decrypt);
+    return source;
+}
+
+Key128 DeriveMasterKey(const std::array<u8, 0x90>& keyblob, const Key128& master_source) {
+    Key128 master_root;
+    std::memcpy(master_root.data(), keyblob.data(), sizeof(Key128));
+
+    AESCipher<Key128> master_cipher(master_root, Mode::ECB);
+
+    Key128 master{};
+    master_cipher.Transcode(master_source.data(), master_source.size(), master.data(), Op::Decrypt);
+    return master;
+}
+
+std::array<u8, 144> DecryptKeyblob(const std::array<u8, 176>& encrypted_keyblob,
+                                   const Key128& key) {
+    std::array<u8, 0x90> keyblob;
+    AESCipher<Key128> cipher(key, Mode::CTR);
+    cipher.SetIV(std::vector<u8>(encrypted_keyblob.data() + 0x10, encrypted_keyblob.data() + 0x20));
+    cipher.Transcode(encrypted_keyblob.data() + 0x20, keyblob.size(), keyblob.data(), Op::Decrypt);
+    return keyblob;
+}
+
+void KeyManager::DeriveGeneralPurposeKeys(u8 crypto_revision) {
+    const auto kek_generation_source =
+        GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration));
+    const auto key_generation_source =
+        GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration));
+
+    if (HasKey(S128KeyType::Master, crypto_revision)) {
+        for (auto kak_type :
+             {KeyAreaKeyType::Application, KeyAreaKeyType::Ocean, KeyAreaKeyType::System}) {
+            if (HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+                       static_cast<u64>(kak_type))) {
+                const auto source =
+                    GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+                           static_cast<u64>(kak_type));
+                const auto kek =
+                    GenerateKeyEncryptionKey(source, GetKey(S128KeyType::Master, crypto_revision),
+                                             kek_generation_source, key_generation_source);
+                SetKey(S128KeyType::KeyArea, kek, crypto_revision, static_cast<u64>(kak_type));
+            }
+        }
+
+        AESCipher<Key128> master_cipher(GetKey(S128KeyType::Master, crypto_revision), Mode::ECB);
+        for (auto key_type : {SourceKeyType::Titlekek, SourceKeyType::Package2}) {
+            if (HasKey(S128KeyType::Source, static_cast<u64>(key_type))) {
+                Key128 key{};
+                master_cipher.Transcode(
+                    GetKey(S128KeyType::Source, static_cast<u64>(key_type)).data(), key.size(),
+                    key.data(), Op::Decrypt);
+                SetKey(key_type == SourceKeyType::Titlekek ? S128KeyType::Titlekek
+                                                           : S128KeyType::Package2,
+                       key, crypto_revision);
+            }
+        }
+    }
+}
+
+Key128 DeriveKeyblobMACKey(const Key128& keyblob_key, const Key128& mac_source) {
+    AESCipher<Key128> mac_cipher(keyblob_key, Mode::ECB);
+    Key128 mac_key{};
+    mac_cipher.Transcode(mac_source.data(), mac_key.size(), mac_key.data(), Op::Decrypt);
+    return mac_key;
+}
+
 boost::optional<Key128> DeriveSDSeed() {
     const FileUtil::IOFile save_43(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
                                        "/system/save/8000000000000043",
@@ -71,23 +175,24 @@ boost::optional<Key128> DeriveSDSeed() {
     return seed;
 }
 
-Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys) {
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK)))
+Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, 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)))
+    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));
+        keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek));
     const auto aes_kek_gen =
-        keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration));
+        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);
+    keys.SetKey(S128KeyType::SDKek, sd_kek);
 
     if (!keys.HasKey(S128KeyType::SDSeed))
         return Loader::ResultStatus::ErrorMissingSDSeed;
@@ -118,9 +223,141 @@ Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManag
                        return source; ///< Return unaltered source to satisfy output requirement.
                    });
 
+    keys.SetKey(S256KeyType::SDKey, sd_keys[0], static_cast<u64>(SDKeyType::Save));
+    keys.SetKey(S256KeyType::SDKey, sd_keys[1], static_cast<u64>(SDKeyType::NCA));
+
     return Loader::ResultStatus::Success;
 }
 
+std::vector<TicketRaw> GetTicketblob(const FileUtil::IOFile& ticket_save) {
+    if (!ticket_save.IsOpen())
+        return {};
+
+    std::vector<u8> buffer(ticket_save.GetSize());
+    ticket_save.ReadBytes(buffer.data(), buffer.size());
+
+    std::vector<TicketRaw> out;
+    u32 magic{};
+    for (std::size_t offset = 0; offset + 0x4 < buffer.size(); ++offset) {
+        if (buffer[offset] == 0x4 && buffer[offset + 1] == 0x0 && buffer[offset + 2] == 0x1 &&
+            buffer[offset + 3] == 0x0) {
+            out.emplace_back();
+            auto& next = out.back();
+            std::memcpy(&next, buffer.data() + offset, sizeof(TicketRaw));
+            offset += next.size();
+        }
+    }
+
+    return out;
+}
+
+template <size_t size>
+static std::array<u8, size> operator^(const std::array<u8, size>& lhs,
+                                      const std::array<u8, size>& rhs) {
+    std::array<u8, size> out{};
+    std::transform(lhs.begin(), lhs.end(), rhs.begin(), out.begin(), std::bit_xor<>());
+    return out;
+}
+
+template <size_t target_size, size_t in_size>
+static std::array<u8, target_size> MGF1(const std::array<u8, in_size>& seed) {
+    std::array<u8, in_size + 4> seed_exp{};
+    std::memcpy(seed_exp.data(), seed.data(), in_size);
+
+    std::vector<u8> out;
+    size_t i = 0;
+    while (out.size() < target_size) {
+        out.resize(out.size() + 0x20);
+        seed_exp[in_size + 3] = i;
+        mbedtls_sha256(seed_exp.data(), seed_exp.size(), out.data() + out.size() - 0x20, 0);
+        ++i;
+    }
+
+    std::array<u8, target_size> target;
+    std::memcpy(target.data(), out.data(), target_size);
+    return target;
+}
+
+template <size_t size>
+static boost::optional<u64> FindTicketOffset(const std::array<u8, size>& data) {
+    u64 offset = 0;
+    for (size_t i = 0x20; i < data.size() - 0x10; ++i) {
+        if (data[i] == 0x1) {
+            offset = i + 1;
+            break;
+        } else if (data[i] != 0x0) {
+            return boost::none;
+        }
+    }
+
+    return offset;
+}
+
+boost::optional<std::pair<Key128, Key128>> ParseTicket(const TicketRaw& ticket,
+                                                       const RSAKeyPair<2048>& key) {
+    u32 cert_authority;
+    std::memcpy(&cert_authority, ticket.data() + 0x140, sizeof(cert_authority));
+    if (cert_authority == 0)
+        return boost::none;
+    if (cert_authority != Common::MakeMagic('R', 'o', 'o', 't'))
+        LOG_INFO(Crypto,
+                 "Attempting to parse ticket with non-standard certificate authority {:08X}.",
+                 cert_authority);
+
+    Key128 rights_id;
+    std::memcpy(rights_id.data(), ticket.data() + 0x2A0, sizeof(Key128));
+
+    if (rights_id == Key128{})
+        return boost::none;
+
+    Key128 key_temp{};
+
+    if (!std::any_of(ticket.begin() + 0x190, ticket.begin() + 0x280, [](u8 b) { return b != 0; })) {
+        std::memcpy(key_temp.data(), ticket.data() + 0x180, key_temp.size());
+        return std::make_pair(rights_id, key_temp);
+    }
+
+    mbedtls_mpi D; // RSA Private Exponent
+    mbedtls_mpi N; // RSA Modulus
+    mbedtls_mpi S; // Input
+    mbedtls_mpi M; // Output
+
+    mbedtls_mpi_init(&D);
+    mbedtls_mpi_init(&N);
+    mbedtls_mpi_init(&S);
+    mbedtls_mpi_init(&M);
+
+    mbedtls_mpi_read_binary(&D, key.decryption_key.data(), key.decryption_key.size());
+    mbedtls_mpi_read_binary(&N, key.modulus.data(), key.modulus.size());
+    mbedtls_mpi_read_binary(&S, ticket.data() + 0x180, 0x100);
+
+    mbedtls_mpi_exp_mod(&M, &S, &D, &N, nullptr);
+
+    std::array<u8, 0x100> rsa_step;
+    mbedtls_mpi_write_binary(&M, rsa_step.data(), rsa_step.size());
+
+    u8 m_0 = rsa_step[0];
+    std::array<u8, 0x20> m_1;
+    std::memcpy(m_1.data(), rsa_step.data() + 0x01, m_1.size());
+    std::array<u8, 0xDF> m_2;
+    std::memcpy(m_2.data(), rsa_step.data() + 0x21, m_2.size());
+
+    if (m_0 != 0)
+        return boost::none;
+
+    m_1 = m_1 ^ MGF1<0x20>(m_2);
+    m_2 = m_2 ^ MGF1<0xDF>(m_1);
+
+    const auto offset = FindTicketOffset(m_2);
+    if (offset == boost::none)
+        return boost::none;
+    ASSERT(offset.get() > 0);
+
+    std::memcpy(key_temp.data(), m_2.data() + offset.get(), key_temp.size());
+
+    return std::make_pair(rights_id, key_temp);
+}
+
 KeyManager::KeyManager() {
     // Initialize keys
     const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
@@ -137,6 +374,15 @@ KeyManager::KeyManager() {
 
     AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "title.keys", true);
     AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "title.keys_autogenerated", true);
+    AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "console.keys", false);
+    AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "console.keys_autogenerated", false);
+}
+
+static bool ValidCryptoRevisionString(std::string_view base, size_t begin, size_t length) {
+    if (base.size() < begin + length)
+        return false;
+    return std::all_of(base.begin() + begin, base.begin() + begin + length,
+                       [](u8 c) { return std::isdigit(c); });
 }
 
 void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
@@ -158,6 +404,9 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
         out[0].erase(std::remove(out[0].begin(), out[0].end(), ' '), out[0].end());
         out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end());
 
+        if (out[0].compare(0, 1, "#") == 0)
+            continue;
+
         if (is_title_keys) {
             auto rights_id_raw = Common::HexStringToArray<16>(out[0]);
             u128 rights_id{};
@@ -174,6 +423,50 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
                 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;
+            } else if (out[0].compare(0, 8, "keyblob_") == 0 &&
+                       out[0].compare(0, 9, "keyblob_k") != 0) {
+                if (!ValidCryptoRevisionString(out[0], 8, 2))
+                    continue;
+
+                const auto index = std::stoul(out[0].substr(8, 2), nullptr, 16);
+                keyblobs[index] = Common::HexStringToArray<0x90>(out[1]);
+            } else if (out[0].compare(0, 18, "encrypted_keyblob_") == 0) {
+                if (!ValidCryptoRevisionString(out[0], 18, 2))
+                    continue;
+
+                const auto index = std::stoul(out[0].substr(18, 2), nullptr, 16);
+                encrypted_keyblobs[index] = Common::HexStringToArray<0xB0>(out[1]);
+            } else {
+                for (const auto& kv : KEYS_VARIABLE_LENGTH) {
+                    if (!ValidCryptoRevisionString(out[0], kv.second.size(), 2))
+                        continue;
+                    if (out[0].compare(0, kv.second.size(), kv.second) == 0) {
+                        const auto index =
+                            std::stoul(out[0].substr(kv.second.size(), 2), nullptr, 16);
+                        const auto sub = kv.first.second;
+                        if (sub == 0) {
+                            s128_keys[{kv.first.first, index, 0}] =
+                                Common::HexStringToArray<16>(out[1]);
+                        } else {
+                            s128_keys[{kv.first.first, kv.first.second, index}] =
+                                Common::HexStringToArray<16>(out[1]);
+                        }
+
+                        break;
+                    }
+                }
+
+                static constexpr std::array<const char*, 3> kak_names = {
+                    "key_area_key_application_", "key_area_key_ocean_", "key_area_key_system_"};
+                for (size_t j = 0; j < kak_names.size(); ++j) {
+                    const auto& match = kak_names[j];
+                    if (out[0].compare(0, std::strlen(match), match) == 0) {
+                        const auto index =
+                            std::stoul(out[0].substr(std::strlen(match), 2), nullptr, 16);
+                        s128_keys[{S128KeyType::KeyArea, index, j}] =
+                            Common::HexStringToArray<16>(out[1]);
+                    }
+                }
             }
         }
     }
@@ -187,6 +480,28 @@ void KeyManager::AttemptLoadKeyFile(const std::string& dir1, const std::string&
         LoadFromFile(dir2 + DIR_SEP + filename, title);
 }
 
+bool KeyManager::BaseDeriveNecessary() const {
+    const auto check_key_existence = [this](auto key_type, u64 index1 = 0, u64 index2 = 0) {
+        return !HasKey(key_type, index1, index2);
+    };
+
+    if (check_key_existence(S256KeyType::Header))
+        return true;
+
+    for (size_t i = 0; i < CURRENT_CRYPTO_REVISION; ++i) {
+        if (check_key_existence(S128KeyType::Master, i) ||
+            check_key_existence(S128KeyType::KeyArea, i,
+                                static_cast<u64>(KeyAreaKeyType::Application)) ||
+            check_key_existence(S128KeyType::KeyArea, i, static_cast<u64>(KeyAreaKeyType::Ocean)) ||
+            check_key_existence(S128KeyType::KeyArea, i,
+                                static_cast<u64>(KeyAreaKeyType::System)) ||
+            check_key_existence(S128KeyType::Titlekek, i))
+            return true;
+    }
+
+    return false;
+}
+
 bool KeyManager::HasKey(S128KeyType id, u64 field1, u64 field2) const {
     return s128_keys.find({id, field1, field2}) != s128_keys.end();
 }
@@ -207,13 +522,30 @@ Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) const {
     return s256_keys.at({id, field1, field2});
 }
 
-template <std::size_t Size>
-void KeyManager::WriteKeyToFile(bool title_key, std::string_view keyname,
+Key256 KeyManager::GetBISKey(u8 partition_id) const {
+    Key256 out{};
+
+    for (const auto& bis_type : {BISKeyType::Crypto, BISKeyType::Tweak}) {
+        if (HasKey(S128KeyType::BIS, partition_id, static_cast<u64>(bis_type))) {
+            std::memcpy(
+                out.data() + sizeof(Key128) * static_cast<u64>(bis_type),
+                s128_keys.at({S128KeyType::BIS, partition_id, static_cast<u64>(bis_type)}).data(),
+                sizeof(Key128));
+        }
+    }
+
+    return out;
+}
+
+template <size_t Size>
+void KeyManager::WriteKeyToFile(KeyCategory category, 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)
+    if (category == KeyCategory::Standard)
         filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated";
+    else if (category == KeyCategory::Console)
+        filename = "console.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);
@@ -227,7 +559,7 @@ void KeyManager::WriteKeyToFile(bool title_key, std::string_view keyname,
     }
 
     file << fmt::format("\n{} = {}", keyname, Common::HexArrayToString(key));
-    AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, title_key);
+    AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, category == KeyCategory::Title);
 }
 
 void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
@@ -237,8 +569,15 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
         Key128 rights_id;
         std::memcpy(rights_id.data(), &field2, sizeof(u64));
         std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64));
-        WriteKeyToFile(true, Common::HexArrayToString(rights_id), key);
+        WriteKeyToFile(KeyCategory::Title, Common::HexArrayToString(rights_id), key);
     }
+
+    auto category = KeyCategory::Standard;
+    if (id == S128KeyType::Keyblob || id == S128KeyType::KeyblobMAC || id == S128KeyType::TSEC ||
+        id == S128KeyType::SecureBoot || id == S128KeyType::SDSeed || id == S128KeyType::BIS) {
+        category = KeyCategory::Console;
+    }
+
     const auto iter2 = std::find_if(
         s128_file_id.begin(), s128_file_id.end(),
         [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) {
@@ -246,7 +585,30 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
                    std::tie(id, field1, field2);
         });
     if (iter2 != s128_file_id.end())
-        WriteKeyToFile(false, iter2->first, key);
+        WriteKeyToFile(category, iter2->first, key);
+
+    // Variable cases
+    if (id == S128KeyType::KeyArea) {
+        static constexpr std::array<const char*, 3> kak_names = {"key_area_key_application_{:02X}",
+                                                                 "key_area_key_ocean_{:02X}",
+                                                                 "key_area_key_system_{:02X}"};
+        WriteKeyToFile(category, fmt::format(kak_names.at(field2), field1), key);
+    } else if (id == S128KeyType::Master) {
+        WriteKeyToFile(category, fmt::format("master_key_{:02X}", field1), key);
+    } else if (id == S128KeyType::Package1) {
+        WriteKeyToFile(category, fmt::format("package1_key_{:02X}", field1), key);
+    } else if (id == S128KeyType::Package2) {
+        WriteKeyToFile(category, fmt::format("package2_key_{:02X}", field1), key);
+    } else if (id == S128KeyType::Titlekek) {
+        WriteKeyToFile(category, fmt::format("titlekek_{:02X}", field1), key);
+    } else if (id == S128KeyType::Keyblob) {
+        WriteKeyToFile(category, fmt::format("keyblob_key_{:02X}", field1), key);
+    } else if (id == S128KeyType::KeyblobMAC) {
+        WriteKeyToFile(category, fmt::format("keyblob_mac_key_{:02X}", field1), key);
+    } else if (id == S128KeyType::Source && field1 == static_cast<u64>(SourceKeyType::Keyblob)) {
+        WriteKeyToFile(category, fmt::format("keyblob_key_source_{:02X}", field2), key);
+    }
+
     s128_keys[{id, field1, field2}] = key;
 }
 
@@ -260,7 +622,7 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
                    std::tie(id, field1, field2);
         });
     if (iter != s256_file_id.end())
-        WriteKeyToFile(false, iter->first, key);
+        WriteKeyToFile(KeyCategory::Standard, iter->first, key);
     s256_keys[{id, field1, field2}] = key;
 }
 
@@ -290,59 +652,388 @@ void KeyManager::DeriveSDSeedLazy() {
         SetKey(S128KeyType::SDSeed, res.get());
 }
 
+static Key128 CalculateCMAC(const u8* source, size_t size, const Key128& key) {
+    Key128 out{};
+
+    mbedtls_cipher_cmac(mbedtls_cipher_info_from_type(MBEDTLS_CIPHER_AES_128_ECB), key.data(),
+                        key.size() * 8, source, size, out.data());
+    return out;
+}
+
+void KeyManager::DeriveBase() {
+    if (!BaseDeriveNecessary())
+        return;
+
+    if (!HasKey(S128KeyType::SecureBoot) || !HasKey(S128KeyType::TSEC))
+        return;
+
+    const auto has_bis = [this](u64 id) {
+        return HasKey(S128KeyType::BIS, id, static_cast<u64>(BISKeyType::Crypto)) &&
+               HasKey(S128KeyType::BIS, id, static_cast<u64>(BISKeyType::Tweak));
+    };
+
+    const auto copy_bis = [this](u64 id_from, u64 id_to) {
+        SetKey(S128KeyType::BIS,
+               GetKey(S128KeyType::BIS, id_from, static_cast<u64>(BISKeyType::Crypto)), id_to,
+               static_cast<u64>(BISKeyType::Crypto));
+
+        SetKey(S128KeyType::BIS,
+               GetKey(S128KeyType::BIS, id_from, static_cast<u64>(BISKeyType::Tweak)), id_to,
+               static_cast<u64>(BISKeyType::Tweak));
+    };
+
+    if (has_bis(2) && !has_bis(3))
+        copy_bis(2, 3);
+    else if (has_bis(3) && !has_bis(2))
+        copy_bis(3, 2);
+
+    std::bitset<32> revisions(0xFFFFFFFF);
+    for (size_t i = 0; i < revisions.size(); ++i) {
+        if (!HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob), i) ||
+            encrypted_keyblobs[i] == std::array<u8, 0xB0>{}) {
+            revisions.reset(i);
+        }
+    }
+
+    if (!revisions.any())
+        return;
+
+    const auto sbk = GetKey(S128KeyType::SecureBoot);
+    const auto tsec = GetKey(S128KeyType::TSEC);
+    const auto master_source = GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Master));
+
+    for (size_t i = 0; i < revisions.size(); ++i) {
+        if (!revisions[i])
+            continue;
+
+        // Derive keyblob key
+        const auto key = DeriveKeyblobKey(
+            sbk, tsec, GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob), i));
+
+        SetKey(S128KeyType::Keyblob, key, i);
+
+        // Derive keyblob MAC key
+        if (!HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC)))
+            continue;
+
+        const auto mac_key = DeriveKeyblobMACKey(
+            key, GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC)));
+        SetKey(S128KeyType::KeyblobMAC, mac_key, i);
+
+        Key128 cmac = CalculateCMAC(encrypted_keyblobs[i].data() + 0x10, 0xA0, mac_key);
+        if (std::memcmp(cmac.data(), encrypted_keyblobs[i].data(), cmac.size()) != 0)
+            continue;
+
+        // Decrypt keyblob
+        if (keyblobs[i] == std::array<u8, 0x90>{}) {
+            keyblobs[i] = DecryptKeyblob(encrypted_keyblobs[i], key);
+            WriteKeyToFile<0x90>(KeyCategory::Console, fmt::format("keyblob_{:02X}", i),
+                                 keyblobs[i]);
+        }
+
+        Key128 package1;
+        std::memcpy(package1.data(), keyblobs[i].data() + 0x80, sizeof(Key128));
+        SetKey(S128KeyType::Package1, package1, i);
+
+        // Derive master key
+        if (HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Master))) {
+            SetKey(S128KeyType::Master,
+                   DeriveMasterKey(keyblobs[i], GetKey(S128KeyType::Source,
+                                                       static_cast<u64>(SourceKeyType::Master))),
+                   i);
+        }
+    }
+
+    revisions.set();
+    for (size_t i = 0; i < revisions.size(); ++i) {
+        if (!HasKey(S128KeyType::Master, i))
+            revisions.reset(i);
+    }
+
+    if (!revisions.any())
+        return;
+
+    for (size_t i = 0; i < revisions.size(); ++i) {
+        if (!revisions[i])
+            continue;
+
+        // Derive general purpose keys
+        DeriveGeneralPurposeKeys(i);
+    }
+
+    if (HasKey(S128KeyType::Master, 0) &&
+        HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)) &&
+        HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)) &&
+        HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek)) &&
+        HasKey(S256KeyType::HeaderSource)) {
+        const auto header_kek = GenerateKeyEncryptionKey(
+            GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek)),
+            GetKey(S128KeyType::Master, 0),
+            GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)),
+            GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)));
+        SetKey(S128KeyType::HeaderKek, header_kek);
+
+        AESCipher<Key128> header_cipher(header_kek, Mode::ECB);
+        Key256 out = GetKey(S256KeyType::HeaderSource);
+        header_cipher.Transcode(out.data(), out.size(), out.data(), Op::Decrypt);
+        SetKey(S256KeyType::Header, out);
+    }
+}
+
+void KeyManager::DeriveETicket(PartitionDataManager& data) {
+    // ETicket keys
+    const auto es = Service::FileSystem::GetUnionContents()->GetEntry(
+        0x0100000000000033, FileSys::ContentRecordType::Program);
+
+    if (es == nullptr)
+        return;
+
+    const auto exefs = es->GetExeFS();
+    if (exefs == nullptr)
+        return;
+
+    const auto main = exefs->GetFile("main");
+    if (main == nullptr)
+        return;
+
+    const auto bytes = main->ReadAllBytes();
+
+    const auto eticket_kek = FindKeyFromHex16(bytes, eticket_source_hashes[0]);
+    const auto eticket_kekek = FindKeyFromHex16(bytes, eticket_source_hashes[1]);
+
+    const auto seed3 = data.GetRSAKekSeed3();
+    const auto mask0 = data.GetRSAKekMask0();
+
+    if (eticket_kek != Key128{})
+        SetKey(S128KeyType::Source, eticket_kek, static_cast<size_t>(SourceKeyType::ETicketKek));
+    if (eticket_kekek != Key128{}) {
+        SetKey(S128KeyType::Source, eticket_kekek,
+               static_cast<size_t>(SourceKeyType::ETicketKekek));
+    }
+    if (seed3 != Key128{})
+        SetKey(S128KeyType::RSAKek, seed3, static_cast<size_t>(RSAKekType::Seed3));
+    if (mask0 != Key128{})
+        SetKey(S128KeyType::RSAKek, mask0, static_cast<size_t>(RSAKekType::Mask0));
+    if (eticket_kek == Key128{} || eticket_kekek == Key128{} || seed3 == Key128{} ||
+        mask0 == Key128{}) {
+        return;
+    }
+
+    Key128 rsa_oaep_kek{};
+    std::transform(seed3.begin(), seed3.end(), mask0.begin(), rsa_oaep_kek.begin(),
+                   std::bit_xor<>());
+
+    if (rsa_oaep_kek == Key128{})
+        return;
+
+    SetKey(S128KeyType::Source, rsa_oaep_kek,
+           static_cast<u64>(SourceKeyType::RSAOaepKekGeneration));
+
+    Key128 temp_kek{};
+    Key128 temp_kekek{};
+    Key128 eticket_final{};
+
+    // Derive ETicket RSA Kek
+    AESCipher<Key128> es_master(GetKey(S128KeyType::Master), Mode::ECB);
+    es_master.Transcode(rsa_oaep_kek.data(), rsa_oaep_kek.size(), temp_kek.data(), Op::Decrypt);
+    AESCipher<Key128> es_kekek(temp_kek, Mode::ECB);
+    es_kekek.Transcode(eticket_kekek.data(), eticket_kekek.size(), temp_kekek.data(), Op::Decrypt);
+    AESCipher<Key128> es_kek(temp_kekek, Mode::ECB);
+    es_kek.Transcode(eticket_kek.data(), eticket_kek.size(), eticket_final.data(), Op::Decrypt);
+
+    if (eticket_final == Key128{})
+        return;
+
+    SetKey(S128KeyType::ETicketRSAKek, eticket_final);
+
+    // Titlekeys
+    data.DecryptProdInfo(GetBISKey(0));
+
+    const auto eticket_extended_kek = data.GetETicketExtendedKek();
+
+    std::vector<u8> extended_iv(0x10);
+    std::memcpy(extended_iv.data(), eticket_extended_kek.data(), extended_iv.size());
+    std::array<u8, 0x230> extended_dec{};
+    AESCipher<Key128> rsa_1(eticket_final, Mode::CTR);
+    rsa_1.SetIV(extended_iv);
+    rsa_1.Transcode(eticket_extended_kek.data() + 0x10, eticket_extended_kek.size() - 0x10,
+                    extended_dec.data(), Op::Decrypt);
+
+    RSAKeyPair<2048> rsa_key{};
+    std::memcpy(rsa_key.decryption_key.data(), extended_dec.data(), rsa_key.decryption_key.size());
+    std::memcpy(rsa_key.modulus.data(), extended_dec.data() + 0x100, rsa_key.modulus.size());
+    std::memcpy(rsa_key.exponent.data(), extended_dec.data() + 0x200, rsa_key.exponent.size());
+
+    const FileUtil::IOFile save1(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
+                                     "/system/save/80000000000000e1",
+                                 "rb+");
+    const FileUtil::IOFile save2(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
+                                     "/system/save/80000000000000e2",
+                                 "rb+");
+
+    auto res = GetTicketblob(save1);
+    const auto res2 = GetTicketblob(save2);
+    std::copy(res2.begin(), res2.end(), std::back_inserter(res));
+
+    for (const auto& raw : res) {
+        const auto pair = ParseTicket(raw, rsa_key);
+        if (pair == boost::none)
+            continue;
+        const auto& [rid, key] = pair.value();
+        u128 rights_id;
+        std::memcpy(rights_id.data(), rid.data(), rid.size());
+        SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
+    }
+}
+
+void KeyManager::SetKeyWrapped(S128KeyType id, Key128 key, u64 field1, u64 field2) {
+    if (key == Key128{})
+        return;
+    SetKey(id, key, field1, field2);
+}
+
+void KeyManager::SetKeyWrapped(S256KeyType id, Key256 key, u64 field1, u64 field2) {
+    if (key == Key256{})
+        return;
+    SetKey(id, key, field1, field2);
+}
+
+void KeyManager::PopulateFromPartitionData(PartitionDataManager& data) {
+    if (!BaseDeriveNecessary())
+        return;
+
+    if (!data.HasBoot0())
+        return;
+
+    for (size_t i = 0; i < encrypted_keyblobs.size(); ++i) {
+        if (encrypted_keyblobs[i] != std::array<u8, 0xB0>{})
+            continue;
+        encrypted_keyblobs[i] = data.GetEncryptedKeyblob(i);
+        WriteKeyToFile<0xB0>(KeyCategory::Console, fmt::format("encrypted_keyblob_{:02X}", i),
+                             encrypted_keyblobs[i]);
+    }
+
+    SetKeyWrapped(S128KeyType::Source, data.GetPackage2KeySource(),
+                  static_cast<u64>(SourceKeyType::Package2));
+    SetKeyWrapped(S128KeyType::Source, data.GetAESKekGenerationSource(),
+                  static_cast<u64>(SourceKeyType::AESKekGeneration));
+    SetKeyWrapped(S128KeyType::Source, data.GetTitlekekSource(),
+                  static_cast<u64>(SourceKeyType::Titlekek));
+    SetKeyWrapped(S128KeyType::Source, data.GetMasterKeySource(),
+                  static_cast<u64>(SourceKeyType::Master));
+    SetKeyWrapped(S128KeyType::Source, data.GetKeyblobMACKeySource(),
+                  static_cast<u64>(SourceKeyType::KeyblobMAC));
+
+    for (size_t i = 0; i < PartitionDataManager::MAX_KEYBLOB_SOURCE_HASH; ++i) {
+        SetKeyWrapped(S128KeyType::Source, data.GetKeyblobKeySource(i),
+                      static_cast<u64>(SourceKeyType::Keyblob), i);
+    }
+
+    if (data.HasFuses())
+        SetKeyWrapped(S128KeyType::SecureBoot, data.GetSecureBootKey());
+
+    DeriveBase();
+
+    Key128 latest_master{};
+    for (s8 i = 0x1F; i >= 0; --i) {
+        if (GetKey(S128KeyType::Master, static_cast<u8>(i)) != Key128{}) {
+            latest_master = GetKey(S128KeyType::Master, static_cast<u8>(i));
+            break;
+        }
+    }
+
+    const auto masters = data.GetTZMasterKeys(latest_master);
+    for (size_t i = 0; i < masters.size(); ++i) {
+        if (masters[i] != Key128{} && !HasKey(S128KeyType::Master, i))
+            SetKey(S128KeyType::Master, masters[i], i);
+    }
+
+    DeriveBase();
+
+    if (!data.HasPackage2())
+        return;
+
+    std::array<Key128, 0x20> package2_keys{};
+    for (size_t i = 0; i < package2_keys.size(); ++i) {
+        if (HasKey(S128KeyType::Package2, i))
+            package2_keys[i] = GetKey(S128KeyType::Package2, i);
+    }
+    data.DecryptPackage2(package2_keys, Package2Type::NormalMain);
+
+    SetKeyWrapped(S128KeyType::Source, data.GetKeyAreaKeyApplicationSource(),
+                  static_cast<u64>(SourceKeyType::KeyAreaKey),
+                  static_cast<u64>(KeyAreaKeyType::Application));
+    SetKeyWrapped(S128KeyType::Source, data.GetKeyAreaKeyOceanSource(),
+                  static_cast<u64>(SourceKeyType::KeyAreaKey),
+                  static_cast<u64>(KeyAreaKeyType::Ocean));
+    SetKeyWrapped(S128KeyType::Source, data.GetKeyAreaKeySystemSource(),
+                  static_cast<u64>(SourceKeyType::KeyAreaKey),
+                  static_cast<u64>(KeyAreaKeyType::System));
+    SetKeyWrapped(S128KeyType::Source, data.GetSDKekSource(),
+                  static_cast<u64>(SourceKeyType::SDKek));
+    SetKeyWrapped(S256KeyType::SDKeySource, data.GetSDSaveKeySource(),
+                  static_cast<u64>(SDKeyType::Save));
+    SetKeyWrapped(S256KeyType::SDKeySource, data.GetSDNCAKeySource(),
+                  static_cast<u64>(SDKeyType::NCA));
+    SetKeyWrapped(S128KeyType::Source, data.GetHeaderKekSource(),
+                  static_cast<u64>(SourceKeyType::HeaderKek));
+    SetKeyWrapped(S256KeyType::HeaderSource, data.GetHeaderKeySource());
+    SetKeyWrapped(S128KeyType::Source, data.GetAESKeyGenerationSource(),
+                  static_cast<u64>(SourceKeyType::AESKeyGeneration));
+
+    DeriveBase();
+}
+
 const boost::container::flat_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}},
-    {"master_key_03", {S128KeyType::Master, 3, 0}},
-    {"master_key_04", {S128KeyType::Master, 4, 0}},
-    {"package1_key_00", {S128KeyType::Package1, 0, 0}},
-    {"package1_key_01", {S128KeyType::Package1, 1, 0}},
-    {"package1_key_02", {S128KeyType::Package1, 2, 0}},
-    {"package1_key_03", {S128KeyType::Package1, 3, 0}},
-    {"package1_key_04", {S128KeyType::Package1, 4, 0}},
-    {"package2_key_00", {S128KeyType::Package2, 0, 0}},
-    {"package2_key_01", {S128KeyType::Package2, 1, 0}},
-    {"package2_key_02", {S128KeyType::Package2, 2, 0}},
-    {"package2_key_03", {S128KeyType::Package2, 3, 0}},
-    {"package2_key_04", {S128KeyType::Package2, 4, 0}},
-    {"titlekek_00", {S128KeyType::Titlekek, 0, 0}},
-    {"titlekek_01", {S128KeyType::Titlekek, 1, 0}},
-    {"titlekek_02", {S128KeyType::Titlekek, 2, 0}},
-    {"titlekek_03", {S128KeyType::Titlekek, 3, 0}},
-    {"titlekek_04", {S128KeyType::Titlekek, 4, 0}},
     {"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}},
-    {"key_area_key_application_00",
-     {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::Application)}},
-    {"key_area_key_application_01",
-     {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::Application)}},
-    {"key_area_key_application_02",
-     {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::Application)}},
-    {"key_area_key_application_03",
-     {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::Application)}},
-    {"key_area_key_application_04",
-     {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::Application)}},
-    {"key_area_key_ocean_00", {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::Ocean)}},
-    {"key_area_key_ocean_01", {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::Ocean)}},
-    {"key_area_key_ocean_02", {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::Ocean)}},
-    {"key_area_key_ocean_03", {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::Ocean)}},
-    {"key_area_key_ocean_04", {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::Ocean)}},
-    {"key_area_key_system_00", {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::System)}},
-    {"key_area_key_system_01", {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::System)}},
-    {"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}},
+    {"eticket_rsa_kek_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKek), 0}},
+    {"eticket_rsa_kekek_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKekek), 0}},
+    {"rsa_kek_mask_0", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Mask0), 0}},
+    {"rsa_kek_seed_3", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Seed3), 0}},
+    {"rsa_oaep_kek_generation_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration), 0}},
+    {"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek), 0}},
     {"aes_kek_generation_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration), 0}},
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration), 0}},
     {"aes_key_generation_source",
      {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}},
+    {"package2_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Package2), 0}},
+    {"master_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Master), 0}},
+    {"header_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek), 0}},
+    {"key_area_key_application_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+      static_cast<u64>(KeyAreaKeyType::Application)}},
+    {"key_area_key_ocean_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+      static_cast<u64>(KeyAreaKeyType::Ocean)}},
+    {"key_area_key_system_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+      static_cast<u64>(KeyAreaKeyType::System)}},
+    {"titlekek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Titlekek), 0}},
+    {"keyblob_mac_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC)}},
+    {"tsec_key", {S128KeyType::TSEC, 0, 0}},
+    {"secure_boot_key", {S128KeyType::SecureBoot, 0, 0}},
     {"sd_seed", {S128KeyType::SDSeed, 0, 0}},
+    {"bis_key_0_crypt", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_0_tweak", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Tweak)}},
+    {"bis_key_1_crypt", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_1_tweak", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Tweak)}},
+    {"bis_key_2_crypt", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_2_tweak", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Tweak)}},
+    {"bis_key_3_crypt", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_3_tweak", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Tweak)}},
+    {"header_kek", {S128KeyType::HeaderKek, 0, 0}},
+    {"sd_card_kek", {S128KeyType::SDKek, 0, 0}},
 };
 
 const boost::container::flat_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}},
+    {"header_key_source", {S256KeyType::HeaderSource, 0, 0}},
+    {"sd_card_save_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::Save), 0}},
+    {"sd_card_nca_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::NCA), 0}},
 };
 } // namespace Core::Crypto

src/core/crypto/key_manager.h

@@ -5,11 +5,18 @@
 #pragma once
 
 #include <array>
+#include <map>
 #include <string>
 #include <boost/container/flat_map.hpp>
 #include <boost/optional.hpp>
 #include <fmt/format.h>
 #include "common/common_types.h"
+#include "core/crypto/partition_data_manager.h"
+#include "core/file_sys/vfs_types.h"
+
+namespace FileUtil {
+class IOFile;
+}
 
 namespace Loader {
 enum class ResultStatus : u16;
@@ -22,13 +29,30 @@ constexpr u64 TICKET_FILE_TITLEKEY_OFFSET = 0x180;
 using Key128 = std::array<u8, 0x10>;
 using Key256 = std::array<u8, 0x20>;
 using SHA256Hash = std::array<u8, 0x20>;
+using TicketRaw = std::array<u8, 0x400>;
 
 static_assert(sizeof(Key128) == 16, "Key128 must be 128 bytes big.");
-static_assert(sizeof(Key256) == 32, "Key128 must be 128 bytes big.");
+static_assert(sizeof(Key256) == 32, "Key256 must be 256 bytes big.");
+
+template <size_t bit_size, size_t byte_size = (bit_size >> 3)>
+struct RSAKeyPair {
+    std::array<u8, byte_size> encryption_key;
+    std::array<u8, byte_size> decryption_key;
+    std::array<u8, byte_size> modulus;
+    std::array<u8, 4> exponent;
+};
+
+enum class KeyCategory : u8 {
+    Standard,
+    Title,
+    Console,
+};
 
 enum class S256KeyType : u64 {
-    Header,      //
-    SDKeySource, // f1=SDKeyType
+    SDKey,        // f1=SDKeyType
+    Header,       //
+    SDKeySource,  // f1=SDKeyType
+    HeaderSource, //
 };
 
 enum class S128KeyType : u64 {
@@ -41,6 +65,14 @@ enum class S128KeyType : u64 {
     SDSeed,        //
     Titlekey,      // f1=rights id LSB f2=rights id MSB
     Source,        // f1=source type, f2= sub id
+    Keyblob,       // f1=crypto revision
+    KeyblobMAC,    // f1=crypto revision
+    TSEC,          //
+    SecureBoot,    //
+    BIS,           // f1=partition (0-3), f2=type {crypt, tweak}
+    HeaderKek,     //
+    SDKek,         //
+    RSAKek,        //
 };
 
 enum class KeyAreaKeyType : u8 {
@@ -50,9 +82,19 @@ enum class KeyAreaKeyType : u8 {
 };
 
 enum class SourceKeyType : u8 {
-    SDKEK,
-    AESKEKGeneration,
-    AESKeyGeneration,
+    SDKek,                //
+    AESKekGeneration,     //
+    AESKeyGeneration,     //
+    RSAOaepKekGeneration, //
+    Master,               //
+    Keyblob,              // f2=crypto revision
+    KeyAreaKey,           // f2=KeyAreaKeyType
+    Titlekek,             //
+    Package2,             //
+    HeaderKek,            //
+    KeyblobMAC,           //
+    ETicketKek,           //
+    ETicketKekek,         //
 };
 
 enum class SDKeyType : u8 {
@@ -60,6 +102,16 @@ enum class SDKeyType : u8 {
     NCA,
 };
 
+enum class BISKeyType : u8 {
+    Crypto,
+    Tweak,
+};
+
+enum class RSAKekType : u8 {
+    Mask0,
+    Seed3,
+};
+
 template <typename KeyType>
 struct KeyIndex {
     KeyType type;
@@ -91,6 +143,8 @@ public:
     Key128 GetKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0) const;
     Key256 GetKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0) const;
 
+    Key256 GetBISKey(u8 partition_id) const;
+
     void SetKey(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
     void SetKey(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
 
@@ -100,23 +154,51 @@ public:
     // 8*43 and the private file to exist.
     void DeriveSDSeedLazy();
 
+    bool BaseDeriveNecessary() const;
+    void DeriveBase();
+    void DeriveETicket(PartitionDataManager& data);
+
+    void PopulateFromPartitionData(PartitionDataManager& data);
+
 private:
-    boost::container::flat_map<KeyIndex<S128KeyType>, Key128> s128_keys;
-    boost::container::flat_map<KeyIndex<S256KeyType>, Key256> s256_keys;
+    std::map<KeyIndex<S128KeyType>, Key128> s128_keys;
+    std::map<KeyIndex<S256KeyType>, Key256> s256_keys;
+
+    std::array<std::array<u8, 0xB0>, 0x20> encrypted_keyblobs{};
+    std::array<std::array<u8, 0x90>, 0x20> keyblobs{};
 
     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 <std::size_t Size>
-    void WriteKeyToFile(bool title_key, std::string_view keyname, const std::array<u8, Size>& key);
+    template <size_t Size>
+    void WriteKeyToFile(KeyCategory category, std::string_view keyname,
+                        const std::array<u8, Size>& key);
+
+    void DeriveGeneralPurposeKeys(u8 crypto_revision);
+
+    void SetKeyWrapped(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
+    void SetKeyWrapped(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
 
     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;
 };
 
 Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed);
+Key128 DeriveKeyblobKey(const Key128& sbk, const Key128& tsec, Key128 source);
+Key128 DeriveKeyblobMACKey(const Key128& keyblob_key, const Key128& mac_source);
+Key128 DeriveMasterKey(const std::array<u8, 0x90>& keyblob, const Key128& master_source);
+std::array<u8, 0x90> DecryptKeyblob(const std::array<u8, 0xB0>& encrypted_keyblob,
+                                    const Key128& key);
+
 boost::optional<Key128> DeriveSDSeed();
-Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys);
+Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& keys);
+
+std::vector<TicketRaw> GetTicketblob(const FileUtil::IOFile& ticket_save);
+
+// Returns a pair of {rights_id, titlekey}. Fails if the ticket has no certificate authority (offset
+// 0x140-0x144 is zero)
+boost::optional<std::pair<Key128, Key128>> ParseTicket(
+    const TicketRaw& ticket, const RSAKeyPair<2048>& eticket_extended_key);
 
 } // namespace Core::Crypto

src/core/crypto/partition_data_manager.cpp

@@ -0,0 +1,601 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// NOTE TO FUTURE MAINTAINERS:
+// When a new version of switch cryptography is released,
+// hash the new keyblob source and master key and add the hashes to
+// the arrays below.
+
+#include <algorithm>
+#include <array>
+#include <cctype>
+#include <cstring>
+#include <boost/optional/optional.hpp>
+#include <mbedtls/sha256.h>
+#include "common/assert.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/hex_util.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/crypto/ctr_encryption_layer.h"
+#include "core/crypto/key_manager.h"
+#include "core/crypto/partition_data_manager.h"
+#include "core/crypto/xts_encryption_layer.h"
+#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_offset.h"
+
+using namespace Common;
+
+namespace Core::Crypto {
+
+struct Package2Header {
+    std::array<u8, 0x100> signature;
+    Key128 header_ctr;
+    std::array<Key128, 4> section_ctr;
+    u32_le magic;
+    u32_le base_offset;
+    INSERT_PADDING_BYTES(4);
+    u8 version_max;
+    u8 version_min;
+    INSERT_PADDING_BYTES(2);
+    std::array<u32_le, 4> section_size;
+    std::array<u32_le, 4> section_offset;
+    std::array<SHA256Hash, 4> section_hash;
+};
+static_assert(sizeof(Package2Header) == 0x200, "Package2Header has incorrect size.");
+
+struct INIHeader {
+    u32_le magic;
+    u32_le size;
+    u32_le process_count;
+    INSERT_PADDING_BYTES(4);
+};
+static_assert(sizeof(INIHeader) == 0x10, "INIHeader has incorrect size.");
+
+struct SectionHeader {
+    u32_le offset;
+    u32_le size_decompressed;
+    u32_le size_compressed;
+    u32_le attribute;
+};
+static_assert(sizeof(SectionHeader) == 0x10, "SectionHeader has incorrect size.");
+
+struct KIPHeader {
+    u32_le magic;
+    std::array<char, 12> name;
+    u64_le title_id;
+    u32_le category;
+    u8 priority;
+    u8 core;
+    INSERT_PADDING_BYTES(1);
+    u8 flags;
+    std::array<SectionHeader, 6> sections;
+    std::array<u32, 0x20> capabilities;
+};
+static_assert(sizeof(KIPHeader) == 0x100, "KIPHeader has incorrect size.");
+
+const std::array<SHA256Hash, 0x10> source_hashes{
+    "B24BD293259DBC7AC5D63F88E60C59792498E6FC5443402C7FFE87EE8B61A3F0"_array32, // keyblob_mac_key_source
+    "7944862A3A5C31C6720595EFD302245ABD1B54CCDCF33000557681E65C5664A4"_array32, // master_key_source
+    "21E2DF100FC9E094DB51B47B9B1D6E94ED379DB8B547955BEF8FE08D8DD35603"_array32, // package2_key_source
+    "FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"_array32, // aes_kek_generation_source
+    "FBD10056999EDC7ACDB96098E47E2C3606230270D23281E671F0F389FC5BC585"_array32, // aes_key_generation_source
+    "C48B619827986C7F4E3081D59DB2B460C84312650E9A8E6B458E53E8CBCA4E87"_array32, // titlekek_source
+    "04AD66143C726B2A139FB6B21128B46F56C553B2B3887110304298D8D0092D9E"_array32, // key_area_key_application_source
+    "FD434000C8FF2B26F8E9A9D2D2C12F6BE5773CBB9DC86300E1BD99F8EA33A417"_array32, // key_area_key_ocean_source
+    "1F17B1FD51AD1C2379B58F152CA4912EC2106441E51722F38700D5937A1162F7"_array32, // key_area_key_system_source
+    "6B2ED877C2C52334AC51E59ABFA7EC457F4A7D01E46291E9F2EAA45F011D24B7"_array32, // sd_card_kek_source
+    "D482743563D3EA5DCDC3B74E97C9AC8A342164FA041A1DC80F17F6D31E4BC01C"_array32, // sd_card_save_key_source
+    "2E751CECF7D93A2B957BD5FFCB082FD038CC2853219DD3092C6DAB9838F5A7CC"_array32, // sd_card_nca_key_source
+    "1888CAED5551B3EDE01499E87CE0D86827F80820EFB275921055AA4E2ABDFFC2"_array32, // header_kek_source
+    "8F783E46852DF6BE0BA4E19273C4ADBAEE16380043E1B8C418C4089A8BD64AA6"_array32, // header_key_source
+    "D1757E52F1AE55FA882EC690BC6F954AC46A83DC22F277F8806BD55577C6EED7"_array32, // rsa_kek_seed3
+    "FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"_array32, // rsa_kek_mask0
+};
+
+const std::array<SHA256Hash, 0x20> keyblob_source_hashes{
+    "8A06FE274AC491436791FDB388BCDD3AB9943BD4DEF8094418CDAC150FD73786"_array32, // keyblob_key_source_00
+    "2D5CAEB2521FEF70B47E17D6D0F11F8CE2C1E442A979AD8035832C4E9FBCCC4B"_array32, // keyblob_key_source_01
+    "61C5005E713BAE780641683AF43E5F5C0E03671117F702F401282847D2FC6064"_array32, // keyblob_key_source_02
+    "8E9795928E1C4428E1B78F0BE724D7294D6934689C11B190943923B9D5B85903"_array32, // keyblob_key_source_03
+    "95FA33AF95AFF9D9B61D164655B32710ED8D615D46C7D6CC3CC70481B686B402"_array32, // keyblob_key_source_04
+    "3F5BE7B3C8B1ABD8C10B4B703D44766BA08730562C172A4FE0D6B866B3E2DB3E"_array32, // keyblob_key_source_05
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_06
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_07
+
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_08
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_09
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0A
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0B
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0C
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0D
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0E
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0F
+
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_10
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_11
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_12
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_13
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_14
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_15
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_16
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_17
+
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_18
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_19
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1A
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1B
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1C
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1D
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1E
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1F
+};
+
+const std::array<SHA256Hash, 0x20> master_key_hashes{
+    "0EE359BE3C864BB0782E1D70A718A0342C551EED28C369754F9C4F691BECF7CA"_array32, // master_key_00
+    "4FE707B7E4ABDAF727C894AAF13B1351BFE2AC90D875F73B2E20FA94B9CC661E"_array32, // master_key_01
+    "79277C0237A2252EC3DFAC1F7C359C2B3D121E9DB15BB9AB4C2B4408D2F3AE09"_array32, // master_key_02
+    "4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"_array32, // master_key_03
+    "75FF1D95D26113550EE6FCC20ACB58E97EDEB3A2FF52543ED5AEC63BDCC3DA50"_array32, // master_key_04
+    "EBE2BCD6704673EC0F88A187BB2AD9F1CC82B718C389425941BDC194DC46B0DD"_array32, // master_key_05
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_06
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_07
+
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_08
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_09
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0A
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0B
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0C
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0D
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0E
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0F
+
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_10
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_11
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_12
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_13
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_14
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_15
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_16
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_17
+
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_18
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_19
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1A
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1B
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1C
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1D
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1E
+    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1F
+};
+
+static std::vector<u8> DecompressBLZ(const std::vector<u8>& in) {
+    const auto data_size = in.size() - 0xC;
+
+    u32 compressed_size{};
+    u32 init_index{};
+    u32 additional_size{};
+    std::memcpy(&compressed_size, in.data() + data_size, sizeof(u32));
+    std::memcpy(&init_index, in.data() + data_size + 0x4, sizeof(u32));
+    std::memcpy(&additional_size, in.data() + data_size + 0x8, sizeof(u32));
+
+    std::vector<u8> out(in.size() + additional_size);
+
+    if (compressed_size == in.size())
+        std::memcpy(out.data(), in.data() + in.size() - compressed_size, compressed_size);
+    else
+        std::memcpy(out.data(), in.data(), compressed_size);
+
+    auto index = in.size() - init_index;
+    auto out_index = out.size();
+
+    while (out_index > 0) {
+        --index;
+        auto control = in[index];
+        for (size_t i = 0; i < 8; ++i) {
+            if ((control & 0x80) > 0) {
+                ASSERT(index >= 2);
+                index -= 2;
+                u64 segment_offset = in[index] | in[index + 1] << 8;
+                u64 segment_size = ((segment_offset >> 12) & 0xF) + 3;
+                segment_offset &= 0xFFF;
+                segment_offset += 3;
+
+                if (out_index < segment_size)
+                    segment_size = out_index;
+
+                ASSERT(out_index >= segment_size);
+
+                out_index -= segment_size;
+
+                for (size_t j = 0; j < segment_size; ++j) {
+                    ASSERT(out_index + j + segment_offset < out.size());
+                    out[out_index + j] = out[out_index + j + segment_offset];
+                }
+            } else {
+                ASSERT(out_index >= 1);
+                --out_index;
+                --index;
+                out[out_index] = in[index];
+            }
+
+            control <<= 1;
+            if (out_index == 0)
+                return out;
+        }
+    }
+
+    return out;
+}
+
+static u8 CalculateMaxKeyblobSourceHash() {
+    for (s8 i = 0x1F; i >= 0; --i) {
+        if (keyblob_source_hashes[i] != SHA256Hash{})
+            return static_cast<u8>(i + 1);
+    }
+
+    return 0;
+}
+
+const u8 PartitionDataManager::MAX_KEYBLOB_SOURCE_HASH = CalculateMaxKeyblobSourceHash();
+
+template <size_t key_size = 0x10>
+std::array<u8, key_size> FindKeyFromHex(const std::vector<u8>& binary,
+                                        const std::array<u8, 0x20>& hash) {
+    if (binary.size() < key_size)
+        return {};
+
+    std::array<u8, 0x20> temp{};
+    for (size_t i = 0; i < binary.size() - key_size; ++i) {
+        mbedtls_sha256(binary.data() + i, key_size, temp.data(), 0);
+
+        if (temp != hash)
+            continue;
+
+        std::array<u8, key_size> out{};
+        std::memcpy(out.data(), binary.data() + i, key_size);
+        return out;
+    }
+
+    return {};
+}
+
+std::array<u8, 16> FindKeyFromHex16(const std::vector<u8>& binary, std::array<u8, 32> hash) {
+    return FindKeyFromHex<0x10>(binary, hash);
+}
+
+static std::array<Key128, 0x20> FindEncryptedMasterKeyFromHex(const std::vector<u8>& binary,
+                                                              const Key128& key) {
+    if (binary.size() < 0x10)
+        return {};
+
+    SHA256Hash temp{};
+    Key128 dec_temp{};
+    std::array<Key128, 0x20> out{};
+    AESCipher<Key128> cipher(key, Mode::ECB);
+    for (size_t i = 0; i < binary.size() - 0x10; ++i) {
+        cipher.Transcode(binary.data() + i, dec_temp.size(), dec_temp.data(), Op::Decrypt);
+        mbedtls_sha256(dec_temp.data(), dec_temp.size(), temp.data(), 0);
+
+        for (size_t k = 0; k < out.size(); ++k) {
+            if (temp == master_key_hashes[k]) {
+                out[k] = dec_temp;
+                break;
+            }
+        }
+    }
+
+    return out;
+}
+
+FileSys::VirtualFile FindFileInDirWithNames(const FileSys::VirtualDir& dir,
+                                            const std::string& name) {
+    auto upper = name;
+    std::transform(upper.begin(), upper.end(), upper.begin(), [](u8 c) { return std::toupper(c); });
+    for (const auto& fname : {name, name + ".bin", upper, upper + ".BIN"}) {
+        if (dir->GetFile(fname) != nullptr)
+            return dir->GetFile(fname);
+    }
+
+    return nullptr;
+}
+
+PartitionDataManager::PartitionDataManager(FileSys::VirtualDir sysdata_dir)
+    : boot0(FindFileInDirWithNames(sysdata_dir, "BOOT0")),
+      fuses(FindFileInDirWithNames(sysdata_dir, "fuse")),
+      kfuses(FindFileInDirWithNames(sysdata_dir, "kfuse")),
+      package2({
+          FindFileInDirWithNames(sysdata_dir, "BCPKG2-1-Normal-Main"),
+          FindFileInDirWithNames(sysdata_dir, "BCPKG2-2-Normal-Sub"),
+          FindFileInDirWithNames(sysdata_dir, "BCPKG2-3-SafeMode-Main"),
+          FindFileInDirWithNames(sysdata_dir, "BCPKG2-4-SafeMode-Sub"),
+          FindFileInDirWithNames(sysdata_dir, "BCPKG2-5-Repair-Main"),
+          FindFileInDirWithNames(sysdata_dir, "BCPKG2-6-Repair-Sub"),
+      }),
+      secure_monitor(FindFileInDirWithNames(sysdata_dir, "secmon")),
+      package1_decrypted(FindFileInDirWithNames(sysdata_dir, "pkg1_decr")),
+      secure_monitor_bytes(secure_monitor == nullptr ? std::vector<u8>{}
+                                                     : secure_monitor->ReadAllBytes()),
+      package1_decrypted_bytes(package1_decrypted == nullptr ? std::vector<u8>{}
+                                                             : package1_decrypted->ReadAllBytes()),
+      prodinfo(FindFileInDirWithNames(sysdata_dir, "PRODINFO")) {}
+
+PartitionDataManager::~PartitionDataManager() = default;
+
+bool PartitionDataManager::HasBoot0() const {
+    return boot0 != nullptr;
+}
+
+FileSys::VirtualFile PartitionDataManager::GetBoot0Raw() const {
+    return boot0;
+}
+
+std::array<u8, 176> PartitionDataManager::GetEncryptedKeyblob(u8 index) const {
+    if (HasBoot0() && index < 32)
+        return GetEncryptedKeyblobs()[index];
+    return {};
+}
+
+std::array<std::array<u8, 176>, 32> PartitionDataManager::GetEncryptedKeyblobs() const {
+    if (!HasBoot0())
+        return {};
+
+    std::array<std::array<u8, 176>, 32> out{};
+    for (size_t i = 0; i < 0x20; ++i)
+        boot0->Read(out[i].data(), out[i].size(), 0x180000 + i * 0x200);
+    return out;
+}
+
+std::vector<u8> PartitionDataManager::GetSecureMonitor() const {
+    return secure_monitor_bytes;
+}
+
+std::array<u8, 16> PartitionDataManager::GetPackage2KeySource() const {
+    return FindKeyFromHex(secure_monitor_bytes, source_hashes[2]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetAESKekGenerationSource() const {
+    return FindKeyFromHex(secure_monitor_bytes, source_hashes[3]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetTitlekekSource() const {
+    return FindKeyFromHex(secure_monitor_bytes, source_hashes[5]);
+}
+
+std::array<std::array<u8, 16>, 32> PartitionDataManager::GetTZMasterKeys(
+    std::array<u8, 0x10> master_key) const {
+    return FindEncryptedMasterKeyFromHex(secure_monitor_bytes, master_key);
+}
+
+std::array<u8, 16> PartitionDataManager::GetRSAKekSeed3() const {
+    return FindKeyFromHex(secure_monitor_bytes, source_hashes[14]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetRSAKekMask0() const {
+    return FindKeyFromHex(secure_monitor_bytes, source_hashes[15]);
+}
+
+std::vector<u8> PartitionDataManager::GetPackage1Decrypted() const {
+    return package1_decrypted_bytes;
+}
+
+std::array<u8, 16> PartitionDataManager::GetMasterKeySource() const {
+    return FindKeyFromHex(package1_decrypted_bytes, source_hashes[1]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetKeyblobMACKeySource() const {
+    return FindKeyFromHex(package1_decrypted_bytes, source_hashes[0]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetKeyblobKeySource(u8 revision) const {
+    if (keyblob_source_hashes[revision] == SHA256Hash{}) {
+        LOG_WARNING(Crypto,
+                    "No keyblob source hash for crypto revision {:02X}! Cannot derive keys...",
+                    revision);
+    }
+    return FindKeyFromHex(package1_decrypted_bytes, keyblob_source_hashes[revision]);
+}
+
+bool PartitionDataManager::HasFuses() const {
+    return fuses != nullptr;
+}
+
+FileSys::VirtualFile PartitionDataManager::GetFusesRaw() const {
+    return fuses;
+}
+
+std::array<u8, 16> PartitionDataManager::GetSecureBootKey() const {
+    if (!HasFuses())
+        return {};
+    Key128 out{};
+    fuses->Read(out.data(), out.size(), 0xA4);
+    return out;
+}
+
+bool PartitionDataManager::HasKFuses() const {
+    return kfuses != nullptr;
+}
+
+FileSys::VirtualFile PartitionDataManager::GetKFusesRaw() const {
+    return kfuses;
+}
+
+bool PartitionDataManager::HasPackage2(Package2Type type) const {
+    return package2.at(static_cast<size_t>(type)) != nullptr;
+}
+
+FileSys::VirtualFile PartitionDataManager::GetPackage2Raw(Package2Type type) const {
+    return package2.at(static_cast<size_t>(type));
+}
+
+bool AttemptDecrypt(const std::array<u8, 16>& key, Package2Header& header) {
+
+    const std::vector<u8> iv(header.header_ctr.begin(), header.header_ctr.end());
+    Package2Header temp = header;
+    AESCipher<Key128> cipher(key, Mode::CTR);
+    cipher.SetIV(iv);
+    cipher.Transcode(&temp.header_ctr, sizeof(Package2Header) - 0x100, &temp.header_ctr,
+                     Op::Decrypt);
+    if (temp.magic == Common::MakeMagic('P', 'K', '2', '1')) {
+        header = temp;
+        return true;
+    }
+
+    return false;
+}
+
+void PartitionDataManager::DecryptPackage2(std::array<std::array<u8, 16>, 0x20> package2_keys,
+                                           Package2Type type) {
+    FileSys::VirtualFile file = std::make_shared<FileSys::OffsetVfsFile>(
+        package2[static_cast<size_t>(type)],
+        package2[static_cast<size_t>(type)]->GetSize() - 0x4000, 0x4000);
+
+    Package2Header header{};
+    if (file->ReadObject(&header) != sizeof(Package2Header))
+        return;
+
+    u8 revision = 0xFF;
+    if (header.magic != Common::MakeMagic('P', 'K', '2', '1')) {
+        for (size_t i = 0; i < package2_keys.size(); ++i) {
+            if (AttemptDecrypt(package2_keys[i], header))
+                revision = i;
+        }
+    }
+
+    if (header.magic != Common::MakeMagic('P', 'K', '2', '1'))
+        return;
+
+    const std::vector<u8> s1_iv(header.section_ctr[1].begin(), header.section_ctr[1].end());
+
+    const auto a = std::make_shared<FileSys::OffsetVfsFile>(
+        file, header.section_size[1], header.section_size[0] + sizeof(Package2Header));
+
+    auto c = a->ReadAllBytes();
+
+    AESCipher<Key128> cipher(package2_keys[revision], Mode::CTR);
+    cipher.SetIV(s1_iv);
+    cipher.Transcode(c.data(), c.size(), c.data(), Op::Decrypt);
+
+    // package2_decrypted[static_cast<size_t>(type)] = s1;
+
+    INIHeader ini;
+    std::memcpy(&ini, c.data(), sizeof(INIHeader));
+    if (ini.magic != Common::MakeMagic('I', 'N', 'I', '1'))
+        return;
+
+    std::map<u64, KIPHeader> kips{};
+    u64 offset = sizeof(INIHeader);
+    for (size_t i = 0; i < ini.process_count; ++i) {
+        KIPHeader kip;
+        std::memcpy(&kip, c.data() + offset, sizeof(KIPHeader));
+        if (kip.magic != Common::MakeMagic('K', 'I', 'P', '1'))
+            return;
+        kips.emplace(offset, kip);
+
+        const auto name =
+            Common::StringFromFixedZeroTerminatedBuffer(kip.name.data(), kip.name.size());
+
+        if (name != "FS" && name != "spl") {
+            offset += sizeof(KIPHeader) + kip.sections[0].size_compressed +
+                      kip.sections[1].size_compressed + kip.sections[2].size_compressed;
+            continue;
+        }
+
+        std::vector<u8> text(kip.sections[0].size_compressed);
+        std::vector<u8> rodata(kip.sections[1].size_compressed);
+        std::vector<u8> data(kip.sections[2].size_compressed);
+
+        u64 offset_sec = sizeof(KIPHeader) + offset;
+        std::memcpy(text.data(), c.data() + offset_sec, text.size());
+        offset_sec += text.size();
+        std::memcpy(rodata.data(), c.data() + offset_sec, rodata.size());
+        offset_sec += rodata.size();
+        std::memcpy(data.data(), c.data() + offset_sec, data.size());
+
+        offset += sizeof(KIPHeader) + kip.sections[0].size_compressed +
+                  kip.sections[1].size_compressed + kip.sections[2].size_compressed;
+
+        text = DecompressBLZ(text);
+        rodata = DecompressBLZ(rodata);
+        data = DecompressBLZ(data);
+
+        std::vector<u8> out(text.size() + rodata.size() + data.size());
+        std::memcpy(out.data(), text.data(), text.size());
+        std::memcpy(out.data() + text.size(), rodata.data(), rodata.size());
+        std::memcpy(out.data() + text.size() + rodata.size(), data.data(), data.size());
+
+        if (name == "FS")
+            package2_fs[static_cast<size_t>(type)] = out;
+        else if (name == "spl")
+            package2_spl[static_cast<size_t>(type)] = out;
+    }
+}
+
+const std::vector<u8>& PartitionDataManager::GetPackage2FSDecompressed(Package2Type type) const {
+    return package2_fs.at(static_cast<size_t>(type));
+}
+
+std::array<u8, 16> PartitionDataManager::GetKeyAreaKeyApplicationSource(Package2Type type) const {
+    return FindKeyFromHex(package2_fs.at(static_cast<size_t>(type)), source_hashes[6]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetKeyAreaKeyOceanSource(Package2Type type) const {
+    return FindKeyFromHex(package2_fs.at(static_cast<size_t>(type)), source_hashes[7]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetKeyAreaKeySystemSource(Package2Type type) const {
+    return FindKeyFromHex(package2_fs.at(static_cast<size_t>(type)), source_hashes[8]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetSDKekSource(Package2Type type) const {
+    return FindKeyFromHex(package2_fs.at(static_cast<size_t>(type)), source_hashes[9]);
+}
+
+std::array<u8, 32> PartitionDataManager::GetSDSaveKeySource(Package2Type type) const {
+    return FindKeyFromHex<0x20>(package2_fs.at(static_cast<size_t>(type)), source_hashes[10]);
+}
+
+std::array<u8, 32> PartitionDataManager::GetSDNCAKeySource(Package2Type type) const {
+    return FindKeyFromHex<0x20>(package2_fs.at(static_cast<size_t>(type)), source_hashes[11]);
+}
+
+std::array<u8, 16> PartitionDataManager::GetHeaderKekSource(Package2Type type) const {
+    return FindKeyFromHex(package2_fs.at(static_cast<size_t>(type)), source_hashes[12]);
+}
+
+std::array<u8, 32> PartitionDataManager::GetHeaderKeySource(Package2Type type) const {
+    return FindKeyFromHex<0x20>(package2_fs.at(static_cast<size_t>(type)), source_hashes[13]);
+}
+
+const std::vector<u8>& PartitionDataManager::GetPackage2SPLDecompressed(Package2Type type) const {
+    return package2_spl.at(static_cast<size_t>(type));
+}
+
+std::array<u8, 16> PartitionDataManager::GetAESKeyGenerationSource(Package2Type type) const {
+    return FindKeyFromHex(package2_spl.at(static_cast<size_t>(type)), source_hashes[4]);
+}
+
+bool PartitionDataManager::HasProdInfo() const {
+    return prodinfo != nullptr;
+}
+
+FileSys::VirtualFile PartitionDataManager::GetProdInfoRaw() const {
+    return prodinfo;
+}
+
+void PartitionDataManager::DecryptProdInfo(std::array<u8, 0x20> bis_key) {
+    if (prodinfo == nullptr)
+        return;
+
+    prodinfo_decrypted = std::make_shared<XTSEncryptionLayer>(prodinfo, bis_key);
+}
+
+std::array<u8, 576> PartitionDataManager::GetETicketExtendedKek() const {
+    std::array<u8, 0x240> out{};
+    if (prodinfo_decrypted != nullptr)
+        prodinfo_decrypted->Read(out.data(), out.size(), 0x3890);
+    return out;
+}
+} // namespace Core::Crypto

src/core/crypto/partition_data_manager.h

@@ -0,0 +1,105 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/swap.h"
+#include "core/file_sys/vfs_types.h"
+
+namespace Core::Crypto {
+
+enum class Package2Type {
+    NormalMain,
+    NormalSub,
+    SafeModeMain,
+    SafeModeSub,
+    RepairMain,
+    RepairSub,
+};
+
+class PartitionDataManager {
+public:
+    static const u8 MAX_KEYBLOB_SOURCE_HASH;
+
+    explicit PartitionDataManager(FileSys::VirtualDir sysdata_dir);
+    ~PartitionDataManager();
+
+    // BOOT0
+    bool HasBoot0() const;
+    FileSys::VirtualFile GetBoot0Raw() const;
+    std::array<u8, 0xB0> GetEncryptedKeyblob(u8 index) const;
+    std::array<std::array<u8, 0xB0>, 0x20> GetEncryptedKeyblobs() const;
+    std::vector<u8> GetSecureMonitor() const;
+    std::array<u8, 0x10> GetPackage2KeySource() const;
+    std::array<u8, 0x10> GetAESKekGenerationSource() const;
+    std::array<u8, 0x10> GetTitlekekSource() const;
+    std::array<std::array<u8, 0x10>, 0x20> GetTZMasterKeys(std::array<u8, 0x10> master_key) const;
+    std::array<u8, 0x10> GetRSAKekSeed3() const;
+    std::array<u8, 0x10> GetRSAKekMask0() const;
+    std::vector<u8> GetPackage1Decrypted() const;
+    std::array<u8, 0x10> GetMasterKeySource() const;
+    std::array<u8, 0x10> GetKeyblobMACKeySource() const;
+    std::array<u8, 0x10> GetKeyblobKeySource(u8 revision) const;
+
+    // Fuses
+    bool HasFuses() const;
+    FileSys::VirtualFile GetFusesRaw() const;
+    std::array<u8, 0x10> GetSecureBootKey() const;
+
+    // K-Fuses
+    bool HasKFuses() const;
+    FileSys::VirtualFile GetKFusesRaw() const;
+
+    // Package2
+    bool HasPackage2(Package2Type type = Package2Type::NormalMain) const;
+    FileSys::VirtualFile GetPackage2Raw(Package2Type type = Package2Type::NormalMain) const;
+    void DecryptPackage2(std::array<std::array<u8, 16>, 0x20> package2, Package2Type type);
+    const std::vector<u8>& GetPackage2FSDecompressed(
+        Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x10> GetKeyAreaKeyApplicationSource(
+        Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x10> GetKeyAreaKeyOceanSource(
+        Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x10> GetKeyAreaKeySystemSource(
+        Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x10> GetSDKekSource(Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x20> GetSDSaveKeySource(Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x20> GetSDNCAKeySource(Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x10> GetHeaderKekSource(Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x20> GetHeaderKeySource(Package2Type type = Package2Type::NormalMain) const;
+    const std::vector<u8>& GetPackage2SPLDecompressed(
+        Package2Type type = Package2Type::NormalMain) const;
+    std::array<u8, 0x10> GetAESKeyGenerationSource(
+        Package2Type type = Package2Type::NormalMain) const;
+
+    // PRODINFO
+    bool HasProdInfo() const;
+    FileSys::VirtualFile GetProdInfoRaw() const;
+    void DecryptProdInfo(std::array<u8, 0x20> bis_key);
+    std::array<u8, 0x240> GetETicketExtendedKek() const;
+
+private:
+    FileSys::VirtualFile boot0;
+    FileSys::VirtualFile fuses;
+    FileSys::VirtualFile kfuses;
+    std::array<FileSys::VirtualFile, 6> package2;
+    FileSys::VirtualFile prodinfo;
+    FileSys::VirtualFile secure_monitor;
+    FileSys::VirtualFile package1_decrypted;
+
+    // Processed
+    std::array<FileSys::VirtualFile, 6> package2_decrypted;
+    FileSys::VirtualFile prodinfo_decrypted;
+    std::vector<u8> secure_monitor_bytes;
+    std::vector<u8> package1_decrypted_bytes;
+    std::array<std::vector<u8>, 6> package2_fs;
+    std::array<std::vector<u8>, 6> package2_spl;
+};
+
+std::array<u8, 0x10> FindKeyFromHex16(const std::vector<u8>& binary, std::array<u8, 0x20> hash);
+
+} // namespace Core::Crypto

src/core/file_sys/card_image.cpp

@@ -20,7 +20,9 @@ namespace FileSys {
 
 constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure", "logo"};
 
-XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
+XCI::XCI(VirtualFile file_)
+    : file(std::move(file_)), program_nca_status{Loader::ResultStatus::ErrorXCIMissingProgramNCA},
+      partitions(0x4) {
     if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
         status = Loader::ResultStatus::ErrorBadXCIHeader;
         return;

src/core/file_sys/fsmitm_romfsbuild.cpp

@@ -26,6 +26,7 @@
 #include "common/alignment.h"
 #include "common/assert.h"
 #include "core/file_sys/fsmitm_romfsbuild.h"
+#include "core/file_sys/ips_layer.h"
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_vector.h"
 
@@ -123,7 +124,7 @@ static u64 romfs_get_hash_table_count(u64 num_entries) {
     return count;
 }
 
-void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
+void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs, VirtualDir ext,
                                        std::shared_ptr<RomFSBuildDirectoryContext> parent) {
     std::vector<std::shared_ptr<RomFSBuildDirectoryContext>> child_dirs;
 
@@ -144,6 +145,9 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
             child->path_len = child->cur_path_ofs + static_cast<u32>(kv.first.size());
             child->path = parent->path + "/" + kv.first;
 
+            if (ext != nullptr && ext->GetFileRelative(child->path + ".stub") != nullptr)
+                continue;
+
             // Sanity check on path_len
             ASSERT(child->path_len < FS_MAX_PATH);
 
@@ -157,11 +161,24 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
             child->path_len = child->cur_path_ofs + static_cast<u32>(kv.first.size());
             child->path = parent->path + "/" + kv.first;
 
+            if (ext != nullptr && ext->GetFileRelative(child->path + ".stub") != nullptr)
+                continue;
+
             // Sanity check on path_len
             ASSERT(child->path_len < FS_MAX_PATH);
 
             child->source = root_romfs->GetFileRelative(child->path);
 
+            if (ext != nullptr) {
+                const auto ips = ext->GetFileRelative(child->path + ".ips");
+
+                if (ips != nullptr) {
+                    auto patched = PatchIPS(child->source, ips);
+                    if (patched != nullptr)
+                        child->source = std::move(patched);
+                }
+            }
+
             child->size = child->source->GetSize();
 
             AddFile(parent, child);
@@ -169,7 +186,7 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
     }
 
     for (auto& child : child_dirs) {
-        this->VisitDirectory(root_romfs, child);
+        this->VisitDirectory(root_romfs, ext, child);
     }
 }
 
@@ -208,14 +225,15 @@ bool RomFSBuildContext::AddFile(std::shared_ptr<RomFSBuildDirectoryContext> pare
     return true;
 }
 
-RomFSBuildContext::RomFSBuildContext(VirtualDir base_) : base(std::move(base_)) {
+RomFSBuildContext::RomFSBuildContext(VirtualDir base_, VirtualDir ext_)
+    : base(std::move(base_)), ext(std::move(ext_)) {
     root = std::make_shared<RomFSBuildDirectoryContext>();
     root->path = "\0";
     directories.emplace(root->path, root);
     num_dirs = 1;
     dir_table_size = 0x18;
 
-    VisitDirectory(base, root);
+    VisitDirectory(base, ext, root);
 }
 
 RomFSBuildContext::~RomFSBuildContext() = default;

src/core/file_sys/fsmitm_romfsbuild.h

@@ -40,7 +40,7 @@ struct RomFSFileEntry;
 
 class RomFSBuildContext {
 public:
-    explicit RomFSBuildContext(VirtualDir base);
+    explicit RomFSBuildContext(VirtualDir base, VirtualDir ext = nullptr);
     ~RomFSBuildContext();
 
     // This finalizes the context.
@@ -48,6 +48,7 @@ public:
 
 private:
     VirtualDir base;
+    VirtualDir ext;
     std::shared_ptr<RomFSBuildDirectoryContext> root;
     std::map<std::string, std::shared_ptr<RomFSBuildDirectoryContext>, std::less<>> directories;
     std::map<std::string, std::shared_ptr<RomFSBuildFileContext>, std::less<>> files;
@@ -59,7 +60,8 @@ private:
     u64 file_hash_table_size = 0;
     u64 file_partition_size = 0;
 
-    void VisitDirectory(VirtualDir filesys, std::shared_ptr<RomFSBuildDirectoryContext> parent);
+    void VisitDirectory(VirtualDir filesys, VirtualDir ext,
+                        std::shared_ptr<RomFSBuildDirectoryContext> parent);
 
     bool AddDirectory(std::shared_ptr<RomFSBuildDirectoryContext> parent_dir_ctx,
                       std::shared_ptr<RomFSBuildDirectoryContext> dir_ctx);

src/core/file_sys/ips_layer.cpp

@@ -0,0 +1,338 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstring>
+#include <map>
+#include <sstream>
+#include <string>
+#include <utility>
+
+#include "common/hex_util.h"
+#include "common/logging/log.h"
+#include "common/swap.h"
+#include "core/file_sys/ips_layer.h"
+#include "core/file_sys/vfs_vector.h"
+
+namespace FileSys {
+
+enum class IPSFileType {
+    IPS,
+    IPS32,
+    Error,
+};
+
+constexpr std::array<std::pair<const char*, const char*>, 11> ESCAPE_CHARACTER_MAP{{
+    {"\\a", "\a"},
+    {"\\b", "\b"},
+    {"\\f", "\f"},
+    {"\\n", "\n"},
+    {"\\r", "\r"},
+    {"\\t", "\t"},
+    {"\\v", "\v"},
+    {"\\\\", "\\"},
+    {"\\\'", "\'"},
+    {"\\\"", "\""},
+    {"\\\?", "\?"},
+}};
+
+static IPSFileType IdentifyMagic(const std::vector<u8>& magic) {
+    if (magic.size() != 5) {
+        return IPSFileType::Error;
+    }
+
+    constexpr std::array<u8, 5> patch_magic{{'P', 'A', 'T', 'C', 'H'}};
+    if (std::equal(magic.begin(), magic.end(), patch_magic.begin())) {
+        return IPSFileType::IPS;
+    }
+
+    constexpr std::array<u8, 5> ips32_magic{{'I', 'P', 'S', '3', '2'}};
+    if (std::equal(magic.begin(), magic.end(), ips32_magic.begin())) {
+        return IPSFileType::IPS32;
+    }
+
+    return IPSFileType::Error;
+}
+
+static bool IsEOF(IPSFileType type, const std::vector<u8>& data) {
+    constexpr std::array<u8, 3> eof{{'E', 'O', 'F'}};
+    if (type == IPSFileType::IPS && std::equal(data.begin(), data.end(), eof.begin())) {
+        return true;
+    }
+
+    constexpr std::array<u8, 4> eeof{{'E', 'E', 'O', 'F'}};
+    return type == IPSFileType::IPS32 && std::equal(data.begin(), data.end(), eeof.begin());
+}
+
+VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
+    if (in == nullptr || ips == nullptr)
+        return nullptr;
+
+    const auto type = IdentifyMagic(ips->ReadBytes(0x5));
+    if (type == IPSFileType::Error)
+        return nullptr;
+
+    auto in_data = in->ReadAllBytes();
+
+    std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
+    u64 offset = 5; // After header
+    while (ips->Read(temp.data(), temp.size(), offset) == temp.size()) {
+        offset += temp.size();
+        if (IsEOF(type, temp)) {
+            break;
+        }
+
+        u32 real_offset{};
+        if (type == IPSFileType::IPS32)
+            real_offset = (temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3];
+        else
+            real_offset = (temp[0] << 16) | (temp[1] << 8) | temp[2];
+
+        u16 data_size{};
+        if (ips->ReadObject(&data_size, offset) != sizeof(u16))
+            return nullptr;
+        data_size = Common::swap16(data_size);
+        offset += sizeof(u16);
+
+        if (data_size == 0) { // RLE
+            u16 rle_size{};
+            if (ips->ReadObject(&rle_size, offset) != sizeof(u16))
+                return nullptr;
+            rle_size = Common::swap16(data_size);
+            offset += sizeof(u16);
+
+            const auto data = ips->ReadByte(offset++);
+            if (data == boost::none)
+                return nullptr;
+
+            if (real_offset + rle_size > in_data.size())
+                rle_size = static_cast<u16>(in_data.size() - real_offset);
+            std::memset(in_data.data() + real_offset, data.get(), rle_size);
+        } else { // Standard Patch
+            auto read = data_size;
+            if (real_offset + read > in_data.size())
+                read = static_cast<u16>(in_data.size() - real_offset);
+            if (ips->Read(in_data.data() + real_offset, read, offset) != data_size)
+                return nullptr;
+            offset += data_size;
+        }
+    }
+
+    if (!IsEOF(type, temp)) {
+        return nullptr;
+    }
+
+    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
+                                           in->GetContainingDirectory());
+}
+
+struct IPSwitchCompiler::IPSwitchPatch {
+    std::string name;
+    bool enabled;
+    std::map<u32, std::vector<u8>> records;
+};
+
+IPSwitchCompiler::IPSwitchCompiler(VirtualFile patch_text_) : patch_text(std::move(patch_text_)) {
+    Parse();
+}
+
+IPSwitchCompiler::~IPSwitchCompiler() = default;
+
+std::array<u8, 32> IPSwitchCompiler::GetBuildID() const {
+    return nso_build_id;
+}
+
+bool IPSwitchCompiler::IsValid() const {
+    return valid;
+}
+
+static bool StartsWith(std::string_view base, std::string_view check) {
+    return base.size() >= check.size() && base.substr(0, check.size()) == check;
+}
+
+static std::string EscapeStringSequences(std::string in) {
+    for (const auto& seq : ESCAPE_CHARACTER_MAP) {
+        for (auto index = in.find(seq.first); index != std::string::npos;
+             index = in.find(seq.first, index)) {
+            in.replace(index, std::strlen(seq.first), seq.second);
+            index += std::strlen(seq.second);
+        }
+    }
+
+    return in;
+}
+
+void IPSwitchCompiler::ParseFlag(const std::string& line) {
+    if (StartsWith(line, "@flag offset_shift ")) {
+        // Offset Shift Flag
+        offset_shift = std::stoll(line.substr(19), nullptr, 0);
+    } else if (StartsWith(line, "@little-endian")) {
+        // Set values to read as little endian
+        is_little_endian = true;
+    } else if (StartsWith(line, "@big-endian")) {
+        // Set values to read as big endian
+        is_little_endian = false;
+    } else if (StartsWith(line, "@flag print_values")) {
+        // Force printing of applied values
+        print_values = true;
+    }
+}
+
+void IPSwitchCompiler::Parse() {
+    const auto bytes = patch_text->ReadAllBytes();
+    std::stringstream s;
+    s.write(reinterpret_cast<const char*>(bytes.data()), bytes.size());
+
+    std::vector<std::string> lines;
+    std::string stream_line;
+    while (std::getline(s, stream_line)) {
+        // Remove a trailing \r
+        if (!stream_line.empty() && stream_line.back() == '\r')
+            stream_line.pop_back();
+        lines.push_back(std::move(stream_line));
+    }
+
+    for (std::size_t i = 0; i < lines.size(); ++i) {
+        auto line = lines[i];
+
+        // Remove midline comments
+        std::size_t comment_index = std::string::npos;
+        bool within_string = false;
+        for (std::size_t k = 0; k < line.size(); ++k) {
+            if (line[k] == '\"' && (k > 0 && line[k - 1] != '\\')) {
+                within_string = !within_string;
+            } else if (line[k] == '\\' && (k < line.size() - 1 && line[k + 1] == '\\')) {
+                comment_index = k;
+                break;
+            }
+        }
+
+        if (!StartsWith(line, "//") && comment_index != std::string::npos) {
+            last_comment = line.substr(comment_index + 2);
+            line = line.substr(0, comment_index);
+        }
+
+        if (StartsWith(line, "@stop")) {
+            // Force stop
+            break;
+        } else if (StartsWith(line, "@nsobid-")) {
+            // NSO Build ID Specifier
+            auto raw_build_id = line.substr(8);
+            if (raw_build_id.size() != 0x40)
+                raw_build_id.resize(0x40, '0');
+            nso_build_id = Common::HexStringToArray<0x20>(raw_build_id);
+        } else if (StartsWith(line, "#")) {
+            // Mandatory Comment
+            LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Forced output comment: {}",
+                     patch_text->GetName(), line.substr(1));
+        } else if (StartsWith(line, "//")) {
+            // Normal Comment
+            last_comment = line.substr(2);
+            if (last_comment.find_first_not_of(' ') == std::string::npos)
+                continue;
+            if (last_comment.find_first_not_of(' ') != 0)
+                last_comment = last_comment.substr(last_comment.find_first_not_of(' '));
+        } else if (StartsWith(line, "@enabled") || StartsWith(line, "@disabled")) {
+            // Start of patch
+            const auto enabled = StartsWith(line, "@enabled");
+            if (i == 0)
+                return;
+            LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Parsing patch '{}' ({})",
+                     patch_text->GetName(), last_comment, line.substr(1));
+
+            IPSwitchPatch patch{last_comment, enabled, {}};
+
+            // Read rest of patch
+            while (true) {
+                if (i + 1 >= lines.size())
+                    break;
+                const auto patch_line = lines[++i];
+
+                // Start of new patch
+                if (StartsWith(patch_line, "@enabled") || StartsWith(patch_line, "@disabled")) {
+                    --i;
+                    break;
+                }
+
+                // Check for a flag
+                if (StartsWith(patch_line, "@")) {
+                    ParseFlag(patch_line);
+                    continue;
+                }
+
+                // 11 - 8 hex digit offset + space + minimum two digit overwrite val
+                if (patch_line.length() < 11)
+                    break;
+                auto offset = std::stoul(patch_line.substr(0, 8), nullptr, 16);
+                offset += static_cast<unsigned long>(offset_shift);
+
+                std::vector<u8> replace;
+                // 9 - first char of replacement val
+                if (patch_line[9] == '\"') {
+                    // string replacement
+                    auto end_index = patch_line.find('\"', 10);
+                    if (end_index == std::string::npos || end_index < 10)
+                        return;
+                    while (patch_line[end_index - 1] == '\\') {
+                        end_index = patch_line.find('\"', end_index + 1);
+                        if (end_index == std::string::npos || end_index < 10)
+                            return;
+                    }
+
+                    auto value = patch_line.substr(10, end_index - 10);
+                    value = EscapeStringSequences(value);
+                    replace.reserve(value.size());
+                    std::copy(value.begin(), value.end(), std::back_inserter(replace));
+                } else {
+                    // hex replacement
+                    const auto value = patch_line.substr(9);
+                    replace.reserve(value.size() / 2);
+                    replace = Common::HexStringToVector(value, is_little_endian);
+                }
+
+                if (print_values) {
+                    LOG_INFO(Loader,
+                             "[IPSwitchCompiler ('{}')]     - Patching value at offset 0x{:08X} "
+                             "with byte string '{}'",
+                             patch_text->GetName(), offset, Common::HexVectorToString(replace));
+                }
+
+                patch.records.insert_or_assign(offset, std::move(replace));
+            }
+
+            patches.push_back(std::move(patch));
+        } else if (StartsWith(line, "@")) {
+            ParseFlag(line);
+        }
+    }
+
+    valid = true;
+}
+
+VirtualFile IPSwitchCompiler::Apply(const VirtualFile& in) const {
+    if (in == nullptr || !valid)
+        return nullptr;
+
+    auto in_data = in->ReadAllBytes();
+
+    for (const auto& patch : patches) {
+        if (!patch.enabled)
+            continue;
+
+        for (const auto& record : patch.records) {
+            if (record.first >= in_data.size())
+                continue;
+            auto replace_size = record.second.size();
+            if (record.first + replace_size > in_data.size())
+                replace_size = in_data.size() - record.first;
+            for (std::size_t i = 0; i < replace_size; ++i)
+                in_data[i + record.first] = record.second[i];
+        }
+    }
+
+    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
+                                           in->GetContainingDirectory());
+}
+
+} // namespace FileSys

src/core/file_sys/ips_layer.h

@@ -0,0 +1,44 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <vector>
+
+#include "common/common_types.h"
+#include "core/file_sys/vfs.h"
+
+namespace FileSys {
+
+VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips);
+
+class IPSwitchCompiler {
+public:
+    explicit IPSwitchCompiler(VirtualFile patch_text);
+    ~IPSwitchCompiler();
+
+    std::array<u8, 0x20> GetBuildID() const;
+    bool IsValid() const;
+    VirtualFile Apply(const VirtualFile& in) const;
+
+private:
+    struct IPSwitchPatch;
+
+    void ParseFlag(const std::string& flag);
+    void Parse();
+
+    bool valid = false;
+
+    VirtualFile patch_text;
+    std::vector<IPSwitchPatch> patches;
+    std::array<u8, 0x20> nso_build_id{};
+    bool is_little_endian = false;
+    s64 offset_shift = 0;
+    bool print_values = false;
+    std::string last_comment = "";
+};
+
+} // namespace FileSys

src/core/file_sys/patch_manager.cpp

@@ -5,14 +5,18 @@
 #include <algorithm>
 #include <array>
 #include <cstddef>
+#include <cstring>
 
+#include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
+#include "core/file_sys/ips_layer.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs.h"
 #include "core/file_sys/vfs_layered.h"
+#include "core/file_sys/vfs_vector.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/loader.h"
 
@@ -21,6 +25,14 @@ namespace FileSys {
 constexpr u64 SINGLE_BYTE_MODULUS = 0x100;
 constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
 
+struct NSOBuildHeader {
+    u32_le magic;
+    INSERT_PADDING_BYTES(0x3C);
+    std::array<u8, 0x20> build_id;
+    INSERT_PADDING_BYTES(0xA0);
+};
+static_assert(sizeof(NSOBuildHeader) == 0x100, "NSOBuildHeader has incorrect size.");
+
 std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
     std::array<u8, sizeof(u32)> bytes{};
     bytes[0] = version % SINGLE_BYTE_MODULUS;
@@ -34,16 +46,6 @@ std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
     return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
 }
 
-constexpr std::array<const char*, 3> PATCH_TYPE_NAMES{
-    "Update",
-    "LayeredFS",
-    "DLC",
-};
-
-std::string FormatPatchTypeName(PatchType type) {
-    return PATCH_TYPE_NAMES.at(static_cast<std::size_t>(type));
-}
-
 PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
 
 PatchManager::~PatchManager() = default;
@@ -71,6 +73,99 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     return exefs;
 }
 
+static std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
+                                               const std::string& build_id) {
+    std::vector<VirtualFile> out;
+    out.reserve(patch_dirs.size());
+    for (const auto& subdir : patch_dirs) {
+        auto exefs_dir = subdir->GetSubdirectory("exefs");
+        if (exefs_dir != nullptr) {
+            for (const auto& file : exefs_dir->GetFiles()) {
+                if (file->GetExtension() == "ips") {
+                    auto name = file->GetName();
+                    const auto p1 = name.substr(0, name.find('.'));
+                    const auto this_build_id = p1.substr(0, p1.find_last_not_of('0') + 1);
+
+                    if (build_id == this_build_id)
+                        out.push_back(file);
+                } else if (file->GetExtension() == "pchtxt") {
+                    IPSwitchCompiler compiler{file};
+                    if (!compiler.IsValid())
+                        continue;
+
+                    auto this_build_id = Common::HexArrayToString(compiler.GetBuildID());
+                    this_build_id =
+                        this_build_id.substr(0, this_build_id.find_last_not_of('0') + 1);
+
+                    if (build_id == this_build_id)
+                        out.push_back(file);
+                }
+            }
+        }
+    }
+
+    return out;
+}
+
+std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
+    if (nso.size() < 0x100)
+        return nso;
+
+    NSOBuildHeader header;
+    std::memcpy(&header, nso.data(), sizeof(NSOBuildHeader));
+
+    if (header.magic != Common::MakeMagic('N', 'S', 'O', '0'))
+        return nso;
+
+    const auto build_id_raw = Common::HexArrayToString(header.build_id);
+    const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
+
+    LOG_INFO(Loader, "Patching NSO for build_id={}", build_id);
+
+    const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
+    auto patch_dirs = load_dir->GetSubdirectories();
+    std::sort(patch_dirs.begin(), patch_dirs.end(),
+              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+    const auto patches = CollectPatches(patch_dirs, build_id);
+
+    auto out = nso;
+    for (const auto& patch_file : patches) {
+        if (patch_file->GetExtension() == "ips") {
+            LOG_INFO(Loader, "    - Applying IPS patch from mod \"{}\"",
+                     patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
+            const auto patched = PatchIPS(std::make_shared<VectorVfsFile>(out), patch_file);
+            if (patched != nullptr)
+                out = patched->ReadAllBytes();
+        } else if (patch_file->GetExtension() == "pchtxt") {
+            LOG_INFO(Loader, "    - Applying IPSwitch patch from mod \"{}\"",
+                     patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
+            const IPSwitchCompiler compiler{patch_file};
+            const auto patched = compiler.Apply(std::make_shared<VectorVfsFile>(out));
+            if (patched != nullptr)
+                out = patched->ReadAllBytes();
+        }
+    }
+
+    if (out.size() < 0x100)
+        return nso;
+    std::memcpy(out.data(), &header, sizeof(NSOBuildHeader));
+    return out;
+}
+
+bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
+    const auto build_id_raw = Common::HexArrayToString(build_id_);
+    const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
+
+    LOG_INFO(Loader, "Querying NSO patch existence for build_id={}", build_id);
+
+    const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
+    auto patch_dirs = load_dir->GetSubdirectories();
+    std::sort(patch_dirs.begin(), patch_dirs.end(),
+              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+
+    return !CollectPatches(patch_dirs, build_id).empty();
+}
+
 static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) {
     const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
     if (type != ContentRecordType::Program || load_dir == nullptr || load_dir->GetSize() <= 0) {
@@ -87,11 +182,17 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
               [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
 
     std::vector<VirtualDir> layers;
+    std::vector<VirtualDir> layers_ext;
     layers.reserve(patch_dirs.size() + 1);
+    layers_ext.reserve(patch_dirs.size() + 1);
     for (const auto& subdir : patch_dirs) {
         auto romfs_dir = subdir->GetSubdirectory("romfs");
         if (romfs_dir != nullptr)
             layers.push_back(std::move(romfs_dir));
+
+        auto ext_dir = subdir->GetSubdirectory("romfs_ext");
+        if (ext_dir != nullptr)
+            layers_ext.push_back(std::move(ext_dir));
     }
     layers.push_back(std::move(extracted));
 
@@ -100,7 +201,9 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
         return;
     }
 
-    auto packed = CreateRomFS(std::move(layered));
+    auto layered_ext = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers_ext));
+
+    auto packed = CreateRomFS(std::move(layered), std::move(layered_ext));
     if (packed == nullptr) {
         return;
     }
@@ -109,8 +212,8 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
     romfs = std::move(packed);
 }
 
-VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset,
-                                     ContentRecordType type) const {
+VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, ContentRecordType type,
+                                     VirtualFile update_raw) const {
     LOG_INFO(Loader, "Patching RomFS for title_id={:016X}, type={:02X}", title_id,
              static_cast<u8>(type));
 
@@ -130,6 +233,13 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset,
                      FormatTitleVersion(installed->GetEntryVersion(update_tid).get_value_or(0)));
             romfs = new_nca->GetRomFS();
         }
+    } else if (update_raw != nullptr) {
+        const auto new_nca = std::make_shared<NCA>(update_raw, romfs, ivfc_offset);
+        if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
+            new_nca->GetRomFS() != nullptr) {
+            LOG_INFO(Loader, "    RomFS: Update (PACKED) applied successfully");
+            romfs = new_nca->GetRomFS();
+        }
     }
 
     // LayeredFS
@@ -138,8 +248,20 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset,
     return romfs;
 }
 
-std::map<PatchType, std::string> PatchManager::GetPatchVersionNames() const {
-    std::map<PatchType, std::string> out;
+static void AppendCommaIfNotEmpty(std::string& to, const std::string& with) {
+    if (to.empty())
+        to += with;
+    else
+        to += ", " + with;
+}
+
+static bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
+    return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty());
+}
+
+std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNames(
+    VirtualFile update_raw) const {
+    std::map<std::string, std::string, std::less<>> out;
     const auto installed = Service::FileSystem::GetUnionContents();
 
     // Game Updates
@@ -148,23 +270,54 @@ std::map<PatchType, std::string> PatchManager::GetPatchVersionNames() const {
     auto [nacp, discard_icon_file] = update.GetControlMetadata();
 
     if (nacp != nullptr) {
-        out[PatchType::Update] = nacp->GetVersionString();
+        out.insert_or_assign("Update", nacp->GetVersionString());
     } else {
         if (installed->HasEntry(update_tid, ContentRecordType::Program)) {
             const auto meta_ver = installed->GetEntryVersion(update_tid);
             if (meta_ver == boost::none || meta_ver.get() == 0) {
-                out[PatchType::Update] = "";
+                out.insert_or_assign("Update", "");
             } else {
-                out[PatchType::Update] =
-                    FormatTitleVersion(meta_ver.get(), TitleVersionFormat::ThreeElements);
+                out.insert_or_assign(
+                    "Update",
+                    FormatTitleVersion(meta_ver.get(), TitleVersionFormat::ThreeElements));
             }
+        } else if (update_raw != nullptr) {
+            out.insert_or_assign("Update", "PACKED");
         }
     }
 
-    // LayeredFS
-    const auto lfs_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
-    if (lfs_dir != nullptr && lfs_dir->GetSize() > 0)
-        out.insert_or_assign(PatchType::LayeredFS, "");
+    // General Mods (LayeredFS and IPS)
+    const auto mod_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
+    if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
+        for (const auto& mod : mod_dir->GetSubdirectories()) {
+            std::string types;
+
+            const auto exefs_dir = mod->GetSubdirectory("exefs");
+            if (IsDirValidAndNonEmpty(exefs_dir)) {
+                bool ips = false;
+                bool ipswitch = false;
+
+                for (const auto& file : exefs_dir->GetFiles()) {
+                    if (file->GetExtension() == "ips")
+                        ips = true;
+                    else if (file->GetExtension() == "pchtxt")
+                        ipswitch = true;
+                }
+
+                if (ips)
+                    AppendCommaIfNotEmpty(types, "IPS");
+                if (ipswitch)
+                    AppendCommaIfNotEmpty(types, "IPSwitch");
+            }
+            if (IsDirValidAndNonEmpty(mod->GetSubdirectory("romfs")))
+                AppendCommaIfNotEmpty(types, "LayeredFS");
+
+            if (types.empty())
+                continue;
+
+            out.insert_or_assign(mod->GetName(), types);
+        }
+    }
 
     // DLC
     const auto dlc_entries = installed->ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
@@ -186,29 +339,28 @@ std::map<PatchType, std::string> PatchManager::GetPatchVersionNames() const {
 
         list += fmt::format("{}", dlc_match.back().title_id & 0x7FF);
 
-        out.insert_or_assign(PatchType::DLC, std::move(list));
+        out.insert_or_assign("DLC", std::move(list));
     }
 
     return out;
 }
 
-std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
+std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
     const auto& installed{Service::FileSystem::GetUnionContents()};
 
     const auto base_control_nca = installed->GetEntry(title_id, ContentRecordType::Control);
     if (base_control_nca == nullptr)
         return {};
 
-    return ParseControlNCA(base_control_nca);
+    return ParseControlNCA(*base_control_nca);
 }
 
-std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(
-    const std::shared_ptr<NCA>& nca) const {
-    const auto base_romfs = nca->GetRomFS();
+std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(const NCA& nca) const {
+    const auto base_romfs = nca.GetRomFS();
     if (base_romfs == nullptr)
         return {};
 
-    const auto romfs = PatchRomFS(base_romfs, nca->GetBaseIVFCOffset(), ContentRecordType::Control);
+    const auto romfs = PatchRomFS(base_romfs, nca.GetBaseIVFCOffset(), ContentRecordType::Control);
     if (romfs == nullptr)
         return {};
 
@@ -220,7 +372,7 @@ std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(
     if (nacp_file == nullptr)
         nacp_file = extracted->GetFile("Control.nacp");
 
-    const auto nacp = nacp_file == nullptr ? nullptr : std::make_shared<NACP>(nacp_file);
+    auto nacp = nacp_file == nullptr ? nullptr : std::make_unique<NACP>(nacp_file);
 
     VirtualFile icon_file;
     for (const auto& language : FileSys::LANGUAGE_NAMES) {
@@ -229,6 +381,6 @@ std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(
             break;
     }
 
-    return {nacp, icon_file};
+    return {std::move(nacp), icon_file};
 }
 } // namespace FileSys

src/core/file_sys/patch_manager.h

@@ -24,14 +24,6 @@ enum class TitleVersionFormat : u8 {
 std::string FormatTitleVersion(u32 version,
                                TitleVersionFormat format = TitleVersionFormat::ThreeElements);
 
-enum class PatchType {
-    Update,
-    LayeredFS,
-    DLC,
-};
-
-std::string FormatPatchTypeName(PatchType type);
-
 // A centralized class to manage patches to games.
 class PatchManager {
 public:
@@ -42,23 +34,33 @@ public:
     // - Game Updates
     VirtualDir PatchExeFS(VirtualDir exefs) const;
 
+    // Currently tracked NSO patches:
+    // - IPS
+    // - IPSwitch
+    std::vector<u8> PatchNSO(const std::vector<u8>& nso) const;
+
+    // Checks to see if PatchNSO() will have any effect given the NSO's build ID.
+    // Used to prevent expensive copies in NSO loader.
+    bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
+
     // Currently tracked RomFS patches:
     // - Game Updates
     // - LayeredFS
     VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
-                           ContentRecordType type = ContentRecordType::Program) const;
+                           ContentRecordType type = ContentRecordType::Program,
+                           VirtualFile update_raw = nullptr) const;
 
     // Returns a vector of pairs between patch names and patch versions.
-    // i.e. Update v80 will return {Update, 80}
-    std::map<PatchType, std::string> GetPatchVersionNames() const;
+    // i.e. Update 3.2.2 will return {"Update", "3.2.2"}
+    std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
+        VirtualFile update_raw = nullptr) const;
 
     // Given title_id of the program, attempts to get the control data of the update and parse it,
     // falling back to the base control data.
-    std::pair<std::shared_ptr<NACP>, VirtualFile> GetControlMetadata() const;
+    std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
 
     // Version of GetControlMetadata that takes an arbitrary NCA
-    std::pair<std::shared_ptr<NACP>, VirtualFile> ParseControlNCA(
-        const std::shared_ptr<NCA>& nca) const;
+    std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
 
 private:
     u64 title_id;

src/core/file_sys/romfs.cpp

@@ -129,11 +129,11 @@ VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
     return out;
 }
 
-VirtualFile CreateRomFS(VirtualDir dir) {
+VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext) {
     if (dir == nullptr)
         return nullptr;
 
-    RomFSBuildContext ctx{dir};
+    RomFSBuildContext ctx{dir, ext};
     return ConcatenatedVfsFile::MakeConcatenatedFile(0, ctx.Build(), dir->GetName());
 }
 

src/core/file_sys/romfs.h

@@ -44,6 +44,6 @@ VirtualDir ExtractRomFS(VirtualFile file,
 
 // Converts a VFS filesystem into a RomFS binary
 // Returns nullptr on failure
-VirtualFile CreateRomFS(VirtualDir dir);
+VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext = nullptr);
 
 } // namespace FileSys

src/core/file_sys/romfs_factory.cpp

@@ -30,12 +30,17 @@ RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader) {
 
 RomFSFactory::~RomFSFactory() = default;
 
+void RomFSFactory::SetPackedUpdate(VirtualFile update_raw) {
+    this->update_raw = std::move(update_raw);
+}
+
 ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess() {
     if (!updatable)
         return MakeResult<VirtualFile>(file);
 
     const PatchManager patch_manager(Core::CurrentProcess()->GetTitleID());
-    return MakeResult<VirtualFile>(patch_manager.PatchRomFS(file, ivfc_offset));
+    return MakeResult<VirtualFile>(
+        patch_manager.PatchRomFS(file, ivfc_offset, ContentRecordType::Program, update_raw));
 }
 
 ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage, ContentRecordType type) {

src/core/file_sys/romfs_factory.h

@@ -32,11 +32,13 @@ public:
     explicit RomFSFactory(Loader::AppLoader& app_loader);
     ~RomFSFactory();
 
+    void SetPackedUpdate(VirtualFile update_raw);
     ResultVal<VirtualFile> OpenCurrentProcess();
     ResultVal<VirtualFile> Open(u64 title_id, StorageId storage, ContentRecordType type);
 
 private:
     VirtualFile file;
+    VirtualFile update_raw;
     bool updatable;
     u64 ivfc_offset;
 };

src/core/file_sys/submission_package.cpp

@@ -18,6 +18,39 @@
 #include "core/loader/loader.h"
 
 namespace FileSys {
+namespace {
+void SetTicketKeys(const std::vector<VirtualFile>& files) {
+    Core::Crypto::KeyManager keys;
+
+    for (const auto& ticket_file : files) {
+        if (ticket_file == nullptr) {
+            continue;
+        }
+
+        if (ticket_file->GetExtension() != "tik") {
+            continue;
+        }
+
+        if (ticket_file->GetSize() <
+            Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
+            continue;
+        }
+
+        Core::Crypto::Key128 key{};
+        ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
+
+        // We get the name without the extension in order to create the rights ID.
+        std::string name_only(ticket_file->GetName());
+        name_only.erase(name_only.size() - 4);
+
+        const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
+        u128 rights_id;
+        std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
+        keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
+    }
+}
+} // Anonymous namespace
+
 NSP::NSP(VirtualFile file_)
     : file(std::move(file_)), status{Loader::ResultStatus::Success},
       pfs(std::make_shared<PartitionFilesystem>(file)) {
@@ -26,83 +59,16 @@ NSP::NSP(VirtualFile file_)
         return;
     }
 
+    const auto files = pfs->GetFiles();
+
     if (IsDirectoryExeFS(pfs)) {
         extracted = true;
-        exefs = pfs;
-
-        const auto& files = pfs->GetFiles();
-        const auto romfs_iter =
-            std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
-                return file->GetName().find(".romfs") != std::string::npos;
-            });
-        if (romfs_iter != files.end())
-            romfs = *romfs_iter;
+        InitializeExeFSAndRomFS(files);
         return;
     }
 
-    extracted = false;
-    const auto files = pfs->GetFiles();
-
-    Core::Crypto::KeyManager keys;
-    for (const auto& ticket_file : files) {
-        if (ticket_file->GetExtension() == "tik") {
-            if (ticket_file == nullptr ||
-                ticket_file->GetSize() <
-                    Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
-                continue;
-            }
-
-            Core::Crypto::Key128 key{};
-            ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
-            std::string_view name_only(ticket_file->GetName());
-            name_only.remove_suffix(4);
-            const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
-            u128 rights_id;
-            std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
-            keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
-        }
-    }
-
-    for (const auto& outer_file : files) {
-        if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") {
-            const auto nca = std::make_shared<NCA>(outer_file);
-            if (nca->GetStatus() != Loader::ResultStatus::Success) {
-                program_status[nca->GetTitleId()] = nca->GetStatus();
-                continue;
-            }
-
-            const auto section0 = nca->GetSubdirectories()[0];
-
-            for (const auto& inner_file : section0->GetFiles()) {
-                if (inner_file->GetExtension() != "cnmt")
-                    continue;
-
-                const CNMT cnmt(inner_file);
-                auto& ncas_title = ncas[cnmt.GetTitleID()];
-
-                ncas_title[ContentRecordType::Meta] = nca;
-                for (const auto& rec : cnmt.GetContentRecords()) {
-                    const auto id_string = Common::HexArrayToString(rec.nca_id, false);
-                    const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
-                    if (next_file == nullptr) {
-                        LOG_WARNING(Service_FS,
-                                    "NCA with ID {}.nca is listed in content metadata, but cannot "
-                                    "be found in PFS. NSP appears to be corrupted.",
-                                    id_string);
-                        continue;
-                    }
-
-                    auto next_nca = std::make_shared<NCA>(next_file);
-                    if (next_nca->GetType() == NCAContentType::Program)
-                        program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
-                    if (next_nca->GetStatus() == Loader::ResultStatus::Success)
-                        ncas_title[rec.type] = std::move(next_nca);
-                }
-
-                break;
-            }
-        }
-    }
+    SetTicketKeys(files);
+    ReadNCAs(files);
 }
 
 NSP::~NSP() = default;
@@ -242,4 +208,66 @@ VirtualDir NSP::GetParentDirectory() const {
 bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
     return false;
 }
+
+void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) {
+    exefs = pfs;
+
+    const auto romfs_iter = std::find_if(files.begin(), files.end(), [](const VirtualFile& file) {
+        return file->GetName().rfind(".romfs") != std::string::npos;
+    });
+
+    if (romfs_iter == files.end()) {
+        return;
+    }
+
+    romfs = *romfs_iter;
+}
+
+void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
+    for (const auto& outer_file : files) {
+        if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
+            continue;
+        }
+
+        const auto nca = std::make_shared<NCA>(outer_file);
+        if (nca->GetStatus() != Loader::ResultStatus::Success) {
+            program_status[nca->GetTitleId()] = nca->GetStatus();
+            continue;
+        }
+
+        const auto section0 = nca->GetSubdirectories()[0];
+
+        for (const auto& inner_file : section0->GetFiles()) {
+            if (inner_file->GetExtension() != "cnmt")
+                continue;
+
+            const CNMT cnmt(inner_file);
+            auto& ncas_title = ncas[cnmt.GetTitleID()];
+
+            ncas_title[ContentRecordType::Meta] = nca;
+            for (const auto& rec : cnmt.GetContentRecords()) {
+                const auto id_string = Common::HexArrayToString(rec.nca_id, false);
+                const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
+                if (next_file == nullptr) {
+                    LOG_WARNING(Service_FS,
+                                "NCA with ID {}.nca is listed in content metadata, but cannot "
+                                "be found in PFS. NSP appears to be corrupted.",
+                                id_string);
+                    continue;
+                }
+
+                auto next_nca = std::make_shared<NCA>(next_file);
+                if (next_nca->GetType() == NCAContentType::Program)
+                    program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
+                if (next_nca->GetStatus() == Loader::ResultStatus::Success ||
+                    (next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
+                     (cnmt.GetTitleID() & 0x800) != 0)) {
+                    ncas_title[rec.type] = std::move(next_nca);
+                }
+            }
+
+            break;
+        }
+    }
+}
 } // namespace FileSys

src/core/file_sys/submission_package.h

@@ -59,9 +59,12 @@ protected:
     bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
 
 private:
+    void InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files);
+    void ReadNCAs(const std::vector<VirtualFile>& files);
+
     VirtualFile file;
 
-    bool extracted;
+    bool extracted = false;
     Loader::ResultStatus status;
     std::map<u64, Loader::ResultStatus> program_status;
 

src/core/file_sys/vfs.h

@@ -12,20 +12,12 @@
 #include <vector>
 #include <boost/optional.hpp>
 #include "common/common_types.h"
+#include "core/file_sys/vfs_types.h"
 
 namespace FileSys {
 
-class VfsDirectory;
-class VfsFile;
-class VfsFilesystem;
-
 enum class Mode : u32;
 
-// Convenience typedefs to use Vfs* interfaces
-using VirtualFilesystem = std::shared_ptr<VfsFilesystem>;
-using VirtualDir = std::shared_ptr<VfsDirectory>;
-using VirtualFile = std::shared_ptr<VfsFile>;
-
 // An enumeration representing what can be at the end of a path in a VfsFilesystem
 enum class VfsEntryType {
     None,

src/core/file_sys/vfs_types.h

@@ -0,0 +1,21 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+
+namespace FileSys {
+
+class VfsDirectory;
+class VfsFile;
+class VfsFilesystem;
+
+// Declarations for Vfs* pointer types
+
+using VirtualDir = std::shared_ptr<VfsDirectory>;
+using VirtualFile = std::shared_ptr<VfsFile>;
+using VirtualFilesystem = std::shared_ptr<VfsFilesystem>;
+
+} // namespace FileSys

src/core/gdbstub/gdbstub.cpp

@@ -209,7 +209,7 @@ static Kernel::Thread* FindThreadById(int id) {
     for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
         const auto& threads = Core::System::GetInstance().Scheduler(core)->GetThreadList();
         for (auto& thread : threads) {
-            if (thread->GetThreadId() == static_cast<u32>(id)) {
+            if (thread->GetThreadID() == static_cast<u32>(id)) {
                 current_core = core;
                 return thread.get();
             }
@@ -223,16 +223,18 @@ static u64 RegRead(std::size_t id, Kernel::Thread* thread = nullptr) {
         return 0;
     }
 
+    const auto& thread_context = thread->GetContext();
+
     if (id < SP_REGISTER) {
-        return thread->context.cpu_registers[id];
+        return thread_context.cpu_registers[id];
     } else if (id == SP_REGISTER) {
-        return thread->context.sp;
+        return thread_context.sp;
     } else if (id == PC_REGISTER) {
-        return thread->context.pc;
+        return thread_context.pc;
     } else if (id == PSTATE_REGISTER) {
-        return thread->context.pstate;
+        return thread_context.pstate;
     } else if (id > PSTATE_REGISTER && id < FPCR_REGISTER) {
-        return thread->context.vector_registers[id - UC_ARM64_REG_Q0][0];
+        return thread_context.vector_registers[id - UC_ARM64_REG_Q0][0];
     } else {
         return 0;
     }
@@ -243,16 +245,18 @@ static void RegWrite(std::size_t id, u64 val, Kernel::Thread* thread = nullptr)
         return;
     }
 
+    auto& thread_context = thread->GetContext();
+
     if (id < SP_REGISTER) {
-        thread->context.cpu_registers[id] = val;
+        thread_context.cpu_registers[id] = val;
     } else if (id == SP_REGISTER) {
-        thread->context.sp = val;
+        thread_context.sp = val;
     } else if (id == PC_REGISTER) {
-        thread->context.pc = val;
+        thread_context.pc = val;
     } else if (id == PSTATE_REGISTER) {
-        thread->context.pstate = static_cast<u32>(val);
+        thread_context.pstate = static_cast<u32>(val);
     } else if (id > PSTATE_REGISTER && id < FPCR_REGISTER) {
-        thread->context.vector_registers[id - (PSTATE_REGISTER + 1)][0] = val;
+        thread_context.vector_registers[id - (PSTATE_REGISTER + 1)][0] = val;
     }
 }
 
@@ -595,7 +599,7 @@ static void HandleQuery() {
         for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
             const auto& threads = Core::System::GetInstance().Scheduler(core)->GetThreadList();
             for (const auto& thread : threads) {
-                val += fmt::format("{:x}", thread->GetThreadId());
+                val += fmt::format("{:x}", thread->GetThreadID());
                 val += ",";
             }
         }
@@ -612,7 +616,7 @@ static void HandleQuery() {
             for (const auto& thread : threads) {
                 buffer +=
                     fmt::format(R"*(<thread id="{:x}" core="{:d}" name="Thread {:x}"></thread>)*",
-                                thread->GetThreadId(), core, thread->GetThreadId());
+                                thread->GetThreadID(), core, thread->GetThreadID());
             }
         }
         buffer += "</threads>";
@@ -693,7 +697,7 @@ static void SendSignal(Kernel::Thread* thread, u32 signal, bool full = true) {
     }
 
     if (thread) {
-        buffer += fmt::format(";thread:{:x};", thread->GetThreadId());
+        buffer += fmt::format(";thread:{:x};", thread->GetThreadID());
     }
 
     SendReply(buffer.c_str());
@@ -857,7 +861,9 @@ static void WriteRegister() {
     }
 
     // Update Unicorn context skipping scheduler, no running threads at this point
-    Core::System::GetInstance().ArmInterface(current_core).LoadContext(current_thread->context);
+    Core::System::GetInstance()
+        .ArmInterface(current_core)
+        .LoadContext(current_thread->GetContext());
 
     SendReply("OK");
 }
@@ -886,7 +892,9 @@ static void WriteRegisters() {
     }
 
     // Update Unicorn context skipping scheduler, no running threads at this point
-    Core::System::GetInstance().ArmInterface(current_core).LoadContext(current_thread->context);
+    Core::System::GetInstance()
+        .ArmInterface(current_core)
+        .LoadContext(current_thread->GetContext());
 
     SendReply("OK");
 }
@@ -960,7 +968,9 @@ static void Step() {
     if (command_length > 1) {
         RegWrite(PC_REGISTER, GdbHexToLong(command_buffer + 1), current_thread);
         // Update Unicorn context skipping scheduler, no running threads at this point
-        Core::System::GetInstance().ArmInterface(current_core).LoadContext(current_thread->context);
+        Core::System::GetInstance()
+            .ArmInterface(current_core)
+            .LoadContext(current_thread->GetContext());
     }
     step_loop = true;
     halt_loop = true;

src/core/hle/kernel/address_arbiter.cpp

@@ -23,13 +23,13 @@ namespace AddressArbiter {
 // Performs actual address waiting logic.
 static ResultCode WaitForAddress(VAddr address, s64 timeout) {
     SharedPtr<Thread> current_thread = GetCurrentThread();
-    current_thread->arb_wait_address = address;
-    current_thread->status = ThreadStatus::WaitArb;
-    current_thread->wakeup_callback = nullptr;
+    current_thread->SetArbiterWaitAddress(address);
+    current_thread->SetStatus(ThreadStatus::WaitArb);
+    current_thread->InvalidateWakeupCallback();
 
     current_thread->WakeAfterDelay(timeout);
 
-    Core::System::GetInstance().CpuCore(current_thread->processor_id).PrepareReschedule();
+    Core::System::GetInstance().CpuCore(current_thread->GetProcessorID()).PrepareReschedule();
     return RESULT_TIMEOUT;
 }
 
@@ -39,10 +39,10 @@ static std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address)
                                            std::vector<SharedPtr<Thread>>& waiting_threads,
                                            VAddr arb_addr) {
         const auto& scheduler = Core::System::GetInstance().Scheduler(core_index);
-        auto& thread_list = scheduler->GetThreadList();
+        const auto& thread_list = scheduler->GetThreadList();
 
-        for (auto& thread : thread_list) {
-            if (thread->arb_wait_address == arb_addr)
+        for (const auto& thread : thread_list) {
+            if (thread->GetArbiterWaitAddress() == arb_addr)
                 waiting_threads.push_back(thread);
         }
     };
@@ -57,7 +57,7 @@ static std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address)
     // Sort them by priority, such that the highest priority ones come first.
     std::sort(threads.begin(), threads.end(),
               [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) {
-                  return lhs->current_priority < rhs->current_priority;
+                  return lhs->GetPriority() < rhs->GetPriority();
               });
 
     return threads;
@@ -73,9 +73,9 @@ static void WakeThreads(std::vector<SharedPtr<Thread>>& waiting_threads, s32 num
 
     // Signal the waiting threads.
     for (std::size_t i = 0; i < last; i++) {
-        ASSERT(waiting_threads[i]->status == ThreadStatus::WaitArb);
+        ASSERT(waiting_threads[i]->GetStatus() == ThreadStatus::WaitArb);
         waiting_threads[i]->SetWaitSynchronizationResult(RESULT_SUCCESS);
-        waiting_threads[i]->arb_wait_address = 0;
+        waiting_threads[i]->SetArbiterWaitAddress(0);
         waiting_threads[i]->ResumeFromWait();
     }
 }

src/core/hle/kernel/client_port.cpp

@@ -17,6 +17,10 @@ namespace Kernel {
 ClientPort::ClientPort(KernelCore& kernel) : Object{kernel} {}
 ClientPort::~ClientPort() = default;
 
+SharedPtr<ServerPort> ClientPort::GetServerPort() const {
+    return server_port;
+}
+
 ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
     // Note: Threads do not wait for the server endpoint to call
     // AcceptSession before returning from this call.

src/core/hle/kernel/client_port.h

@@ -30,6 +30,8 @@ public:
         return HANDLE_TYPE;
     }
 
+    SharedPtr<ServerPort> GetServerPort() const;
+
     /**
      * Creates a new Session pair, adds the created ServerSession to the associated ServerPort's
      * list of pending sessions, and signals the ServerPort, causing any threads

src/core/hle/kernel/errors.h

@@ -22,6 +22,7 @@ enum {
     HandleTableFull = 105,
     InvalidMemoryState = 106,
     InvalidMemoryPermissions = 108,
+    InvalidMemoryRange = 110,
     InvalidThreadPriority = 112,
     InvalidProcessorId = 113,
     InvalidHandle = 114,
@@ -56,6 +57,7 @@ constexpr ResultCode ERR_INVALID_ADDRESS(ErrorModule::Kernel, ErrCodes::InvalidA
 constexpr ResultCode ERR_INVALID_ADDRESS_STATE(ErrorModule::Kernel, ErrCodes::InvalidMemoryState);
 constexpr ResultCode ERR_INVALID_MEMORY_PERMISSIONS(ErrorModule::Kernel,
                                                     ErrCodes::InvalidMemoryPermissions);
+constexpr ResultCode ERR_INVALID_MEMORY_RANGE(ErrorModule::Kernel, ErrCodes::InvalidMemoryRange);
 constexpr ResultCode ERR_INVALID_HANDLE(ErrorModule::Kernel, ErrCodes::InvalidHandle);
 constexpr ResultCode ERR_INVALID_PROCESSOR_ID(ErrorModule::Kernel, ErrCodes::InvalidProcessorId);
 constexpr ResultCode ERR_INVALID_SIZE(ErrorModule::Kernel, ErrCodes::InvalidSize);

src/core/hle/kernel/hle_ipc.cpp

@@ -42,14 +42,14 @@ SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
                                                       Kernel::SharedPtr<Kernel::Event> event) {
 
     // Put the client thread to sleep until the wait event is signaled or the timeout expires.
-    thread->wakeup_callback = [context = *this, callback](
+    thread->SetWakeupCallback([context = *this, callback](
                                   ThreadWakeupReason reason, SharedPtr<Thread> thread,
                                   SharedPtr<WaitObject> object, std::size_t index) mutable -> bool {
-        ASSERT(thread->status == ThreadStatus::WaitHLEEvent);
+        ASSERT(thread->GetStatus() == ThreadStatus::WaitHLEEvent);
         callback(thread, context, reason);
         context.WriteToOutgoingCommandBuffer(*thread);
         return true;
-    };
+    });
 
     if (!event) {
         // Create event if not provided
@@ -59,8 +59,8 @@ SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
     }
 
     event->Clear();
-    thread->status = ThreadStatus::WaitHLEEvent;
-    thread->wait_objects = {event};
+    thread->SetStatus(ThreadStatus::WaitHLEEvent);
+    thread->SetWaitObjects({event});
     event->AddWaitingThread(thread);
 
     if (timeout > 0) {
@@ -209,7 +209,7 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(u32_le* src_cmdb
 
 ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(const Thread& thread) {
     std::array<u32, IPC::COMMAND_BUFFER_LENGTH> dst_cmdbuf;
-    Memory::ReadBlock(*thread.owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+    Memory::ReadBlock(*thread.GetOwnerProcess(), thread.GetTLSAddress(), dst_cmdbuf.data(),
                       dst_cmdbuf.size() * sizeof(u32));
 
     // The header was already built in the internal command buffer. Attempt to parse it to verify
@@ -268,7 +268,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(const Thread& thread)
     }
 
     // Copy the translated command buffer back into the thread's command buffer area.
-    Memory::WriteBlock(*thread.owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+    Memory::WriteBlock(*thread.GetOwnerProcess(), thread.GetTLSAddress(), dst_cmdbuf.data(),
                        dst_cmdbuf.size() * sizeof(u32));
 
     return RESULT_SUCCESS;

src/core/hle/kernel/kernel.cpp

@@ -46,40 +46,40 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] int cycles_
 
     bool resume = true;
 
-    if (thread->status == ThreadStatus::WaitSynchAny ||
-        thread->status == ThreadStatus::WaitSynchAll ||
-        thread->status == ThreadStatus::WaitHLEEvent) {
+    if (thread->GetStatus() == ThreadStatus::WaitSynchAny ||
+        thread->GetStatus() == ThreadStatus::WaitSynchAll ||
+        thread->GetStatus() == ThreadStatus::WaitHLEEvent) {
         // Remove the thread from each of its waiting objects' waitlists
-        for (auto& object : thread->wait_objects) {
+        for (const auto& object : thread->GetWaitObjects()) {
             object->RemoveWaitingThread(thread.get());
         }
-        thread->wait_objects.clear();
+        thread->ClearWaitObjects();
 
         // Invoke the wakeup callback before clearing the wait objects
-        if (thread->wakeup_callback) {
-            resume = thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
+        if (thread->HasWakeupCallback()) {
+            resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
         }
     }
 
-    if (thread->mutex_wait_address != 0 || thread->condvar_wait_address != 0 ||
-        thread->wait_handle) {
-        ASSERT(thread->status == ThreadStatus::WaitMutex);
-        thread->mutex_wait_address = 0;
-        thread->condvar_wait_address = 0;
-        thread->wait_handle = 0;
+    if (thread->GetMutexWaitAddress() != 0 || thread->GetCondVarWaitAddress() != 0 ||
+        thread->GetWaitHandle() != 0) {
+        ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
+        thread->SetMutexWaitAddress(0);
+        thread->SetCondVarWaitAddress(0);
+        thread->SetWaitHandle(0);
 
-        auto lock_owner = thread->lock_owner;
+        auto* const lock_owner = thread->GetLockOwner();
         // Threads waking up by timeout from WaitProcessWideKey do not perform priority inheritance
         // and don't have a lock owner unless SignalProcessWideKey was called first and the thread
         // wasn't awakened due to the mutex already being acquired.
-        if (lock_owner) {
+        if (lock_owner != nullptr) {
             lock_owner->RemoveMutexWaiter(thread);
         }
     }
 
-    if (thread->arb_wait_address != 0) {
-        ASSERT(thread->status == ThreadStatus::WaitArb);
-        thread->arb_wait_address = 0;
+    if (thread->GetArbiterWaitAddress() != 0) {
+        ASSERT(thread->GetStatus() == ThreadStatus::WaitArb);
+        thread->SetArbiterWaitAddress(0);
     }
 
     if (resume) {
@@ -116,7 +116,7 @@ struct KernelCore::Impl {
         next_thread_id = 1;
 
         process_list.clear();
-        current_process.reset();
+        current_process = nullptr;
 
         handle_table.Clear();
         resource_limits.fill(nullptr);
@@ -207,7 +207,7 @@ struct KernelCore::Impl {
 
     // Lists all processes that exist in the current session.
     std::vector<SharedPtr<Process>> process_list;
-    SharedPtr<Process> current_process;
+    Process* current_process = nullptr;
 
     Kernel::HandleTable handle_table;
     std::array<SharedPtr<ResourceLimit>, 4> resource_limits;
@@ -266,15 +266,15 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
     impl->process_list.push_back(std::move(process));
 }
 
-void KernelCore::MakeCurrentProcess(SharedPtr<Process> process) {
-    impl->current_process = std::move(process);
+void KernelCore::MakeCurrentProcess(Process* process) {
+    impl->current_process = process;
 }
 
-SharedPtr<Process>& KernelCore::CurrentProcess() {
+Process* KernelCore::CurrentProcess() {
     return impl->current_process;
 }
 
-const SharedPtr<Process>& KernelCore::CurrentProcess() const {
+const Process* KernelCore::CurrentProcess() const {
     return impl->current_process;
 }
 

src/core/hle/kernel/kernel.h

@@ -66,13 +66,13 @@ public:
     void AppendNewProcess(SharedPtr<Process> process);
 
     /// Makes the given process the new current process.
-    void MakeCurrentProcess(SharedPtr<Process> process);
+    void MakeCurrentProcess(Process* process);
 
-    /// Retrieves a reference to the current process.
-    SharedPtr<Process>& CurrentProcess();
+    /// Retrieves a pointer to the current process.
+    Process* CurrentProcess();
 
-    /// Retrieves a const reference to the current process.
-    const SharedPtr<Process>& CurrentProcess() const;
+    /// Retrieves a const pointer to the current process.
+    const Process* CurrentProcess() const;
 
     /// Adds a port to the named port table
     void AddNamedPort(std::string name, SharedPtr<ClientPort> port);

src/core/hle/kernel/mutex.cpp

@@ -28,11 +28,11 @@ static std::pair<SharedPtr<Thread>, u32> GetHighestPriorityMutexWaitingThread(
     SharedPtr<Thread> highest_priority_thread;
     u32 num_waiters = 0;
 
-    for (auto& thread : current_thread->wait_mutex_threads) {
-        if (thread->mutex_wait_address != mutex_addr)
+    for (const auto& thread : current_thread->GetMutexWaitingThreads()) {
+        if (thread->GetMutexWaitAddress() != mutex_addr)
             continue;
 
-        ASSERT(thread->status == ThreadStatus::WaitMutex);
+        ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
 
         ++num_waiters;
         if (highest_priority_thread == nullptr ||
@@ -47,12 +47,12 @@ static std::pair<SharedPtr<Thread>, u32> GetHighestPriorityMutexWaitingThread(
 /// Update the mutex owner field of all threads waiting on the mutex to point to the new owner.
 static void TransferMutexOwnership(VAddr mutex_addr, SharedPtr<Thread> current_thread,
                                    SharedPtr<Thread> new_owner) {
-    auto threads = current_thread->wait_mutex_threads;
-    for (auto& thread : threads) {
-        if (thread->mutex_wait_address != mutex_addr)
+    const auto threads = current_thread->GetMutexWaitingThreads();
+    for (const auto& thread : threads) {
+        if (thread->GetMutexWaitAddress() != mutex_addr)
             continue;
 
-        ASSERT(thread->lock_owner == current_thread);
+        ASSERT(thread->GetLockOwner() == current_thread);
         current_thread->RemoveMutexWaiter(thread);
         if (new_owner != thread)
             new_owner->AddMutexWaiter(thread);
@@ -84,11 +84,11 @@ ResultCode Mutex::TryAcquire(HandleTable& handle_table, VAddr address, Handle ho
         return ERR_INVALID_HANDLE;
 
     // Wait until the mutex is released
-    GetCurrentThread()->mutex_wait_address = address;
-    GetCurrentThread()->wait_handle = requesting_thread_handle;
+    GetCurrentThread()->SetMutexWaitAddress(address);
+    GetCurrentThread()->SetWaitHandle(requesting_thread_handle);
 
-    GetCurrentThread()->status = ThreadStatus::WaitMutex;
-    GetCurrentThread()->wakeup_callback = nullptr;
+    GetCurrentThread()->SetStatus(ThreadStatus::WaitMutex);
+    GetCurrentThread()->InvalidateWakeupCallback();
 
     // Update the lock holder thread's priority to prevent priority inversion.
     holding_thread->AddMutexWaiter(GetCurrentThread());
@@ -115,7 +115,7 @@ ResultCode Mutex::Release(VAddr address) {
     // Transfer the ownership of the mutex from the previous owner to the new one.
     TransferMutexOwnership(address, GetCurrentThread(), thread);
 
-    u32 mutex_value = thread->wait_handle;
+    u32 mutex_value = thread->GetWaitHandle();
 
     if (num_waiters >= 2) {
         // Notify the guest that there are still some threads waiting for the mutex
@@ -125,13 +125,13 @@ ResultCode Mutex::Release(VAddr address) {
     // Grant the mutex to the next waiting thread and resume it.
     Memory::Write32(address, mutex_value);
 
-    ASSERT(thread->status == ThreadStatus::WaitMutex);
+    ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
     thread->ResumeFromWait();
 
-    thread->lock_owner = nullptr;
-    thread->condvar_wait_address = 0;
-    thread->mutex_wait_address = 0;
-    thread->wait_handle = 0;
+    thread->SetLockOwner(nullptr);
+    thread->SetCondVarWaitAddress(0);
+    thread->SetMutexWaitAddress(0);
+    thread->SetWaitHandle(0);
 
     return RESULT_SUCCESS;
 }

src/core/hle/kernel/object.cpp

@@ -25,7 +25,6 @@ bool Object::IsWaitable() const {
     case HandleType::Process:
     case HandleType::AddressArbiter:
     case HandleType::ResourceLimit:
-    case HandleType::CodeSet:
     case HandleType::ClientPort:
     case HandleType::ClientSession:
         return false;

src/core/hle/kernel/object.h

@@ -26,7 +26,6 @@ enum class HandleType : u32 {
     AddressArbiter,
     Timer,
     ResourceLimit,
-    CodeSet,
     ClientPort,
     ServerPort,
     ClientSession,

src/core/hle/kernel/process.cpp

@@ -20,13 +20,7 @@
 
 namespace Kernel {
 
-SharedPtr<CodeSet> CodeSet::Create(KernelCore& kernel, std::string name) {
-    SharedPtr<CodeSet> codeset(new CodeSet(kernel));
-    codeset->name = std::move(name);
-    return codeset;
-}
-
-CodeSet::CodeSet(KernelCore& kernel) : Object{kernel} {}
+CodeSet::CodeSet() = default;
 CodeSet::~CodeSet() = default;
 
 SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
@@ -144,15 +138,15 @@ void Process::PrepareForTermination() {
 
     const auto stop_threads = [this](const std::vector<SharedPtr<Thread>>& thread_list) {
         for (auto& thread : thread_list) {
-            if (thread->owner_process != this)
+            if (thread->GetOwnerProcess() != this)
                 continue;
 
             if (thread == GetCurrentThread())
                 continue;
 
             // TODO(Subv): When are the other running/ready threads terminated?
-            ASSERT_MSG(thread->status == ThreadStatus::WaitSynchAny ||
-                           thread->status == ThreadStatus::WaitSynchAll,
+            ASSERT_MSG(thread->GetStatus() == ThreadStatus::WaitSynchAny ||
+                           thread->GetStatus() == ThreadStatus::WaitSynchAll,
                        "Exiting processes with non-waiting threads is currently unimplemented");
 
             thread->Stop();
@@ -224,20 +218,20 @@ void Process::FreeTLSSlot(VAddr tls_address) {
     tls_slots[tls_page].reset(tls_slot);
 }
 
-void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
+void Process::LoadModule(CodeSet module_, VAddr base_addr) {
     const auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions,
                                 MemoryState memory_state) {
-        auto vma = vm_manager
-                       .MapMemoryBlock(segment.addr + base_addr, module_->memory, segment.offset,
-                                       segment.size, memory_state)
-                       .Unwrap();
+        const auto vma = vm_manager
+                             .MapMemoryBlock(segment.addr + base_addr, module_.memory,
+                                             segment.offset, segment.size, memory_state)
+                             .Unwrap();
         vm_manager.Reprotect(vma, permissions);
     };
 
     // Map CodeSet segments
-    MapSegment(module_->CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
-    MapSegment(module_->RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
-    MapSegment(module_->DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
+    MapSegment(module_.CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
+    MapSegment(module_.RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
+    MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
 }
 
 ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {

src/core/hle/kernel/process.h

@@ -24,6 +24,7 @@ class ProgramMetadata;
 namespace Kernel {
 
 class KernelCore;
+class ResourceLimit;
 
 struct AddressMapping {
     // Address and size must be page-aligned
@@ -57,30 +58,33 @@ union ProcessFlags {
     BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
 };
 
-enum class ProcessStatus { Created, Running, Exited };
+/**
+ * Indicates the status of a Process instance.
+ *
+ * @note These match the values as used by kernel,
+ *       so new entries should only be added if RE
+ *       shows that a new value has been introduced.
+ */
+enum class ProcessStatus {
+    Created,
+    CreatedWithDebuggerAttached,
+    Running,
+    WaitingForDebuggerToAttach,
+    DebuggerAttached,
+    Exiting,
+    Exited,
+    DebugBreak,
+};
 
-class ResourceLimit;
-
-struct CodeSet final : public Object {
+struct CodeSet final {
     struct Segment {
         std::size_t offset = 0;
         VAddr addr = 0;
         u32 size = 0;
     };
 
-    static SharedPtr<CodeSet> Create(KernelCore& kernel, std::string name);
-
-    std::string GetTypeName() const override {
-        return "CodeSet";
-    }
-    std::string GetName() const override {
-        return name;
-    }
-
-    static const HandleType HANDLE_TYPE = HandleType::CodeSet;
-    HandleType GetHandleType() const override {
-        return HANDLE_TYPE;
-    }
+    explicit CodeSet();
+    ~CodeSet();
 
     Segment& CodeSegment() {
         return segments[0];
@@ -109,14 +113,7 @@ struct CodeSet final : public Object {
     std::shared_ptr<std::vector<u8>> memory;
 
     std::array<Segment, 3> segments;
-    VAddr entrypoint;
-
-    /// Name of the process
-    std::string name;
-
-private:
-    explicit CodeSet(KernelCore& kernel);
-    ~CodeSet() override;
+    VAddr entrypoint = 0;
 };
 
 class Process final : public Object {
@@ -219,7 +216,7 @@ public:
      */
     void PrepareForTermination();
 
-    void LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr);
+    void LoadModule(CodeSet module_, VAddr base_addr);
 
     ///////////////////////////////////////////////////////////////////////////////////////////////
     // Memory Management

src/core/hle/kernel/scheduler.cpp

@@ -9,7 +9,7 @@
 #include "common/logging/log.h"
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
-#include "core/core_timing.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
 
@@ -38,10 +38,10 @@ Thread* Scheduler::PopNextReadyThread() {
     Thread* next = nullptr;
     Thread* thread = GetCurrentThread();
 
-    if (thread && thread->status == ThreadStatus::Running) {
+    if (thread && thread->GetStatus() == ThreadStatus::Running) {
         // We have to do better than the current thread.
         // This call returns null when that's not possible.
-        next = ready_queue.pop_first_better(thread->current_priority);
+        next = ready_queue.pop_first_better(thread->GetPriority());
         if (!next) {
             // Otherwise just keep going with the current thread
             next = thread;
@@ -58,40 +58,40 @@ void Scheduler::SwitchContext(Thread* new_thread) {
 
     // Save context for previous thread
     if (previous_thread) {
-        previous_thread->last_running_ticks = CoreTiming::GetTicks();
-        cpu_core.SaveContext(previous_thread->context);
+        cpu_core.SaveContext(previous_thread->GetContext());
         // Save the TPIDR_EL0 system register in case it was modified.
-        previous_thread->tpidr_el0 = cpu_core.GetTPIDR_EL0();
+        previous_thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
 
-        if (previous_thread->status == ThreadStatus::Running) {
+        if (previous_thread->GetStatus() == ThreadStatus::Running) {
             // This is only the case when a reschedule is triggered without the current thread
             // yielding execution (i.e. an event triggered, system core time-sliced, etc)
-            ready_queue.push_front(previous_thread->current_priority, previous_thread);
-            previous_thread->status = ThreadStatus::Ready;
+            ready_queue.push_front(previous_thread->GetPriority(), previous_thread);
+            previous_thread->SetStatus(ThreadStatus::Ready);
         }
     }
 
     // Load context of new thread
     if (new_thread) {
-        ASSERT_MSG(new_thread->status == ThreadStatus::Ready,
+        ASSERT_MSG(new_thread->GetStatus() == ThreadStatus::Ready,
                    "Thread must be ready to become running.");
 
         // Cancel any outstanding wakeup events for this thread
         new_thread->CancelWakeupTimer();
 
-        auto previous_process = Core::CurrentProcess();
+        auto* const previous_process = Core::CurrentProcess();
 
         current_thread = new_thread;
 
-        ready_queue.remove(new_thread->current_priority, new_thread);
-        new_thread->status = ThreadStatus::Running;
+        ready_queue.remove(new_thread->GetPriority(), new_thread);
+        new_thread->SetStatus(ThreadStatus::Running);
 
-        if (previous_process != current_thread->owner_process) {
-            Core::CurrentProcess() = current_thread->owner_process;
+        auto* const thread_owner_process = current_thread->GetOwnerProcess();
+        if (previous_process != thread_owner_process) {
+            Core::System::GetInstance().Kernel().MakeCurrentProcess(thread_owner_process);
             SetCurrentPageTable(&Core::CurrentProcess()->VMManager().page_table);
         }
 
-        cpu_core.LoadContext(new_thread->context);
+        cpu_core.LoadContext(new_thread->GetContext());
         cpu_core.SetTlsAddress(new_thread->GetTLSAddress());
         cpu_core.SetTPIDR_EL0(new_thread->GetTPIDR_EL0());
         cpu_core.ClearExclusiveState();
@@ -136,14 +136,14 @@ void Scheduler::RemoveThread(Thread* thread) {
 void Scheduler::ScheduleThread(Thread* thread, u32 priority) {
     std::lock_guard<std::mutex> lock(scheduler_mutex);
 
-    ASSERT(thread->status == ThreadStatus::Ready);
+    ASSERT(thread->GetStatus() == ThreadStatus::Ready);
     ready_queue.push_back(priority, thread);
 }
 
 void Scheduler::UnscheduleThread(Thread* thread, u32 priority) {
     std::lock_guard<std::mutex> lock(scheduler_mutex);
 
-    ASSERT(thread->status == ThreadStatus::Ready);
+    ASSERT(thread->GetStatus() == ThreadStatus::Ready);
     ready_queue.remove(priority, thread);
 }
 
@@ -151,8 +151,8 @@ void Scheduler::SetThreadPriority(Thread* thread, u32 priority) {
     std::lock_guard<std::mutex> lock(scheduler_mutex);
 
     // If thread was ready, adjust queues
-    if (thread->status == ThreadStatus::Ready)
-        ready_queue.move(thread, thread->current_priority, priority);
+    if (thread->GetStatus() == ThreadStatus::Ready)
+        ready_queue.move(thread, thread->GetPriority(), priority);
     else
         ready_queue.prepare(priority);
 }

src/core/hle/kernel/server_port.h

@@ -11,6 +11,7 @@
 #include "common/common_types.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/wait_object.h"
+#include "core/hle/result.h"
 
 namespace Kernel {
 

src/core/hle/kernel/server_session.cpp

@@ -120,10 +120,10 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
         result = hle_handler->HandleSyncRequest(context);
     }
 
-    if (thread->status == ThreadStatus::Running) {
+    if (thread->GetStatus() == ThreadStatus::Running) {
         // Put the thread to sleep until the server replies, it will be awoken in
         // svcReplyAndReceive for LLE servers.
-        thread->status = ThreadStatus::WaitIPC;
+        thread->SetStatus(ThreadStatus::WaitIPC);
 
         if (hle_handler != nullptr) {
             // For HLE services, we put the request threads to sleep for a short duration to

src/core/hle/kernel/svc.cpp

@@ -39,6 +39,73 @@ namespace {
 constexpr bool Is4KBAligned(VAddr address) {
     return (address & 0xFFF) == 0;
 }
+
+// Checks if address + size is greater than the given address
+// This can return false if the size causes an overflow of a 64-bit type
+// or if the given size is zero.
+constexpr bool IsValidAddressRange(VAddr address, u64 size) {
+    return address + size > address;
+}
+
+// Checks if a given address range lies within a larger address range.
+constexpr bool IsInsideAddressRange(VAddr address, u64 size, VAddr address_range_begin,
+                                    VAddr address_range_end) {
+    const VAddr end_address = address + size - 1;
+    return address_range_begin <= address && end_address <= address_range_end - 1;
+}
+
+bool IsInsideAddressSpace(const VMManager& vm, VAddr address, u64 size) {
+    return IsInsideAddressRange(address, size, vm.GetAddressSpaceBaseAddress(),
+                                vm.GetAddressSpaceEndAddress());
+}
+
+bool IsInsideNewMapRegion(const VMManager& vm, VAddr address, u64 size) {
+    return IsInsideAddressRange(address, size, vm.GetNewMapRegionBaseAddress(),
+                                vm.GetNewMapRegionEndAddress());
+}
+
+// Helper function that performs the common sanity checks for svcMapMemory
+// and svcUnmapMemory. This is doable, as both functions perform their sanitizing
+// in the same order.
+ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_addr, VAddr src_addr,
+                                      u64 size) {
+    if (!Is4KBAligned(dst_addr) || !Is4KBAligned(src_addr)) {
+        return ERR_INVALID_ADDRESS;
+    }
+
+    if (size == 0 || !Is4KBAligned(size)) {
+        return ERR_INVALID_SIZE;
+    }
+
+    if (!IsValidAddressRange(dst_addr, size)) {
+        return ERR_INVALID_ADDRESS_STATE;
+    }
+
+    if (!IsValidAddressRange(src_addr, size)) {
+        return ERR_INVALID_ADDRESS_STATE;
+    }
+
+    if (!IsInsideAddressSpace(vm_manager, src_addr, size)) {
+        return ERR_INVALID_ADDRESS_STATE;
+    }
+
+    if (!IsInsideNewMapRegion(vm_manager, dst_addr, size)) {
+        return ERR_INVALID_MEMORY_RANGE;
+    }
+
+    const VAddr dst_end_address = dst_addr + size;
+    if (dst_end_address > vm_manager.GetHeapRegionBaseAddress() &&
+        vm_manager.GetHeapRegionEndAddress() > dst_addr) {
+        return ERR_INVALID_MEMORY_RANGE;
+    }
+
+    if (dst_end_address > vm_manager.GetMapRegionBaseAddress() &&
+        vm_manager.GetMapRegionEndAddress() > dst_addr) {
+        return ERR_INVALID_MEMORY_RANGE;
+    }
+
+    return RESULT_SUCCESS;
+}
 } // Anonymous namespace
 
 /// Set the process heap to a given Size. It can both extend and shrink the heap.
@@ -69,15 +136,15 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
               src_addr, size);
 
-    if (!Is4KBAligned(dst_addr) || !Is4KBAligned(src_addr)) {
-        return ERR_INVALID_ADDRESS;
+    auto* const current_process = Core::CurrentProcess();
+    const auto& vm_manager = current_process->VMManager();
+
+    const auto result = MapUnmapMemorySanityChecks(vm_manager, dst_addr, src_addr, size);
+    if (result != RESULT_SUCCESS) {
+        return result;
     }
 
-    if (size == 0 || !Is4KBAligned(size)) {
-        return ERR_INVALID_SIZE;
-    }
-
-    return Core::CurrentProcess()->MirrorMemory(dst_addr, src_addr, size);
+    return current_process->MirrorMemory(dst_addr, src_addr, size);
 }
 
 /// Unmaps a region that was previously mapped with svcMapMemory
@@ -85,15 +152,15 @@ static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
               src_addr, size);
 
-    if (!Is4KBAligned(dst_addr) || !Is4KBAligned(src_addr)) {
-        return ERR_INVALID_ADDRESS;
+    auto* const current_process = Core::CurrentProcess();
+    const auto& vm_manager = current_process->VMManager();
+
+    const auto result = MapUnmapMemorySanityChecks(vm_manager, dst_addr, src_addr, size);
+    if (result != RESULT_SUCCESS) {
+        return result;
     }
 
-    if (size == 0 || !Is4KBAligned(size)) {
-        return ERR_INVALID_SIZE;
-    }
-
-    return Core::CurrentProcess()->UnmapMemory(dst_addr, src_addr, size);
+    return current_process->UnmapMemory(dst_addr, src_addr, size);
 }
 
 /// Connect to an OS service given the port name, returns the handle to the port to out
@@ -156,7 +223,7 @@ static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) {
         return ERR_INVALID_HANDLE;
     }
 
-    *thread_id = thread->GetThreadId();
+    *thread_id = thread->GetThreadID();
     return RESULT_SUCCESS;
 }
 
@@ -177,7 +244,7 @@ static ResultCode GetProcessId(u32* process_id, Handle process_handle) {
 /// Default thread wakeup callback for WaitSynchronization
 static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
                                         SharedPtr<WaitObject> object, std::size_t index) {
-    ASSERT(thread->status == ThreadStatus::WaitSynchAny);
+    ASSERT(thread->GetStatus() == ThreadStatus::WaitSynchAny);
 
     if (reason == ThreadWakeupReason::Timeout) {
         thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
@@ -204,10 +271,10 @@ static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64
     if (handle_count > MaxHandles)
         return ResultCode(ErrorModule::Kernel, ErrCodes::TooLarge);
 
-    auto thread = GetCurrentThread();
+    auto* const thread = GetCurrentThread();
 
-    using ObjectPtr = SharedPtr<WaitObject>;
-    std::vector<ObjectPtr> objects(handle_count);
+    using ObjectPtr = Thread::ThreadWaitObjects::value_type;
+    Thread::ThreadWaitObjects objects(handle_count);
     auto& kernel = Core::System::GetInstance().Kernel();
 
     for (u64 i = 0; i < handle_count; ++i) {
@@ -244,14 +311,14 @@ static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64
     for (auto& object : objects)
         object->AddWaitingThread(thread);
 
-    thread->wait_objects = std::move(objects);
-    thread->status = ThreadStatus::WaitSynchAny;
+    thread->SetWaitObjects(std::move(objects));
+    thread->SetStatus(ThreadStatus::WaitSynchAny);
 
     // Create an event to wake the thread up after the specified nanosecond delay has passed
     thread->WakeAfterDelay(nano_seconds);
-    thread->wakeup_callback = DefaultThreadWakeupCallback;
+    thread->SetWakeupCallback(DefaultThreadWakeupCallback);
 
-    Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
+    Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
 
     return RESULT_TIMEOUT;
 }
@@ -266,7 +333,7 @@ static ResultCode CancelSynchronization(Handle thread_handle) {
         return ERR_INVALID_HANDLE;
     }
 
-    ASSERT(thread->status == ThreadStatus::WaitSynchAny);
+    ASSERT(thread->GetStatus() == ThreadStatus::WaitSynchAny);
     thread->SetWaitSynchronizationResult(
         ResultCode(ErrorModule::Kernel, ErrCodes::SynchronizationCanceled));
     thread->ResumeFromWait();
@@ -301,13 +368,34 @@ static ResultCode ArbitrateUnlock(VAddr mutex_addr) {
     return Mutex::Release(mutex_addr);
 }
 
+struct BreakReason {
+    union {
+        u32 raw;
+        BitField<31, 1, u32> signal_debugger;
+    };
+};
+
 /// 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);
-    ASSERT(false);
+static void Break(u32 reason, u64 info1, u64 info2) {
+    BreakReason break_reason{reason};
+    if (break_reason.signal_debugger) {
+        LOG_ERROR(
+            Debug_Emulated,
+            "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
+            reason, info1, info2);
+    } else {
+        LOG_CRITICAL(
+            Debug_Emulated,
+            "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
+            reason, info1, info2);
+        ASSERT(false);
+
+        Core::CurrentProcess()->PrepareForTermination();
+
+        // Kill the current thread
+        GetCurrentThread()->Stop();
+        Core::System::GetInstance().PrepareReschedule();
+    }
 }
 
 /// Used to output a message on a debug hardware unit - does nothing on a retail unit
@@ -326,7 +414,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
     LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
               info_sub_id, handle);
 
-    const auto& current_process = Core::CurrentProcess();
+    const auto* current_process = Core::CurrentProcess();
     const auto& vm_manager = current_process->VMManager();
 
     switch (static_cast<GetInfoType>(info_id)) {
@@ -424,8 +512,8 @@ static ResultCode GetThreadContext(VAddr thread_context, Handle handle) {
         return ERR_INVALID_HANDLE;
     }
 
-    const auto current_process = Core::CurrentProcess();
-    if (thread->owner_process != current_process) {
+    const auto* current_process = Core::CurrentProcess();
+    if (thread->GetOwnerProcess() != current_process) {
         return ERR_INVALID_HANDLE;
     }
 
@@ -433,7 +521,7 @@ static ResultCode GetThreadContext(VAddr thread_context, Handle handle) {
         return ERR_ALREADY_REGISTERED;
     }
 
-    Core::ARM_Interface::ThreadContext ctx = thread->context;
+    Core::ARM_Interface::ThreadContext ctx = thread->GetContext();
     // Mask away mode bits, interrupt bits, IL bit, and other reserved bits.
     ctx.pstate &= 0xFF0FFE20;
 
@@ -479,14 +567,14 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
 
     thread->SetPriority(priority);
 
-    Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
+    Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
     return RESULT_SUCCESS;
 }
 
 /// Get which CPU core is executing the current thread
 static u32 GetCurrentProcessorNumber() {
     LOG_TRACE(Kernel_SVC, "called");
-    return GetCurrentThread()->processor_id;
+    return GetCurrentThread()->GetProcessorID();
 }
 
 static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 size,
@@ -516,7 +604,7 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
         return ERR_INVALID_HANDLE;
     }
 
-    return shared_memory->Map(Core::CurrentProcess().get(), addr, permissions_type,
+    return shared_memory->Map(Core::CurrentProcess(), addr, permissions_type,
                               MemoryPermission::DontCare);
 }
 
@@ -535,7 +623,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
     auto& kernel = Core::System::GetInstance().Kernel();
     auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle);
 
-    return shared_memory->Unmap(Core::CurrentProcess().get(), addr);
+    return shared_memory->Unmap(Core::CurrentProcess(), addr);
 }
 
 /// Query process memory
@@ -573,7 +661,7 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAdd
 
 /// Exits the current process
 static void ExitProcess() {
-    auto& current_process = Core::CurrentProcess();
+    auto* current_process = Core::CurrentProcess();
 
     LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
     ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
@@ -621,11 +709,15 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
     auto& kernel = Core::System::GetInstance().Kernel();
     CASCADE_RESULT(SharedPtr<Thread> thread,
                    Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top,
-                                  Core::CurrentProcess()));
-    CASCADE_RESULT(thread->guest_handle, kernel.HandleTable().Create(thread));
-    *out_handle = thread->guest_handle;
+                                  *Core::CurrentProcess()));
+    const auto new_guest_handle = kernel.HandleTable().Create(thread);
+    if (new_guest_handle.Failed()) {
+        return new_guest_handle.Code();
+    }
+    thread->SetGuestHandle(*new_guest_handle);
+    *out_handle = *new_guest_handle;
 
-    Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
+    Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
 
     LOG_TRACE(Kernel_SVC,
               "called entrypoint=0x{:08X} ({}), arg=0x{:08X}, stacktop=0x{:08X}, "
@@ -645,10 +737,10 @@ static ResultCode StartThread(Handle thread_handle) {
         return ERR_INVALID_HANDLE;
     }
 
-    ASSERT(thread->status == ThreadStatus::Dormant);
+    ASSERT(thread->GetStatus() == ThreadStatus::Dormant);
 
     thread->ResumeFromWait();
-    Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
+    Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
 
     return RESULT_SUCCESS;
 }
@@ -694,17 +786,17 @@ static ResultCode WaitProcessWideKeyAtomic(VAddr mutex_addr, VAddr condition_var
     CASCADE_CODE(Mutex::Release(mutex_addr));
 
     SharedPtr<Thread> current_thread = GetCurrentThread();
-    current_thread->condvar_wait_address = condition_variable_addr;
-    current_thread->mutex_wait_address = mutex_addr;
-    current_thread->wait_handle = thread_handle;
-    current_thread->status = ThreadStatus::WaitMutex;
-    current_thread->wakeup_callback = nullptr;
+    current_thread->SetCondVarWaitAddress(condition_variable_addr);
+    current_thread->SetMutexWaitAddress(mutex_addr);
+    current_thread->SetWaitHandle(thread_handle);
+    current_thread->SetStatus(ThreadStatus::WaitMutex);
+    current_thread->InvalidateWakeupCallback();
 
     current_thread->WakeAfterDelay(nano_seconds);
 
     // Note: Deliberately don't attempt to inherit the lock owner's priority.
 
-    Core::System::GetInstance().CpuCore(current_thread->processor_id).PrepareReschedule();
+    Core::System::GetInstance().CpuCore(current_thread->GetProcessorID()).PrepareReschedule();
     return RESULT_SUCCESS;
 }
 
@@ -713,14 +805,14 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
     LOG_TRACE(Kernel_SVC, "called, condition_variable_addr=0x{:X}, target=0x{:08X}",
               condition_variable_addr, target);
 
-    auto RetrieveWaitingThreads = [](std::size_t core_index,
-                                     std::vector<SharedPtr<Thread>>& waiting_threads,
-                                     VAddr condvar_addr) {
+    const auto RetrieveWaitingThreads = [](std::size_t core_index,
+                                           std::vector<SharedPtr<Thread>>& waiting_threads,
+                                           VAddr condvar_addr) {
         const auto& scheduler = Core::System::GetInstance().Scheduler(core_index);
-        auto& thread_list = scheduler->GetThreadList();
+        const auto& thread_list = scheduler->GetThreadList();
 
-        for (auto& thread : thread_list) {
-            if (thread->condvar_wait_address == condvar_addr)
+        for (const auto& thread : thread_list) {
+            if (thread->GetCondVarWaitAddress() == condvar_addr)
                 waiting_threads.push_back(thread);
         }
     };
@@ -734,7 +826,7 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
     // Sort them by priority, such that the highest priority ones come first.
     std::sort(waiting_threads.begin(), waiting_threads.end(),
               [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) {
-                  return lhs->current_priority < rhs->current_priority;
+                  return lhs->GetPriority() < rhs->GetPriority();
               });
 
     // Only process up to 'target' threads, unless 'target' is -1, in which case process
@@ -750,7 +842,7 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
     for (std::size_t index = 0; index < last; ++index) {
         auto& thread = waiting_threads[index];
 
-        ASSERT(thread->condvar_wait_address == condition_variable_addr);
+        ASSERT(thread->GetCondVarWaitAddress() == condition_variable_addr);
 
         std::size_t current_core = Core::System::GetInstance().CurrentCoreIndex();
 
@@ -759,42 +851,43 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
         // Atomically read the value of the mutex.
         u32 mutex_val = 0;
         do {
-            monitor.SetExclusive(current_core, thread->mutex_wait_address);
+            monitor.SetExclusive(current_core, thread->GetMutexWaitAddress());
 
             // If the mutex is not yet acquired, acquire it.
-            mutex_val = Memory::Read32(thread->mutex_wait_address);
+            mutex_val = Memory::Read32(thread->GetMutexWaitAddress());
 
             if (mutex_val != 0) {
                 monitor.ClearExclusive();
                 break;
             }
-        } while (!monitor.ExclusiveWrite32(current_core, thread->mutex_wait_address,
-                                           thread->wait_handle));
+        } while (!monitor.ExclusiveWrite32(current_core, thread->GetMutexWaitAddress(),
+                                           thread->GetWaitHandle()));
 
         if (mutex_val == 0) {
             // We were able to acquire the mutex, resume this thread.
-            ASSERT(thread->status == ThreadStatus::WaitMutex);
+            ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
             thread->ResumeFromWait();
 
-            auto lock_owner = thread->lock_owner;
-            if (lock_owner)
+            auto* const lock_owner = thread->GetLockOwner();
+            if (lock_owner != nullptr) {
                 lock_owner->RemoveMutexWaiter(thread);
+            }
 
-            thread->lock_owner = nullptr;
-            thread->mutex_wait_address = 0;
-            thread->condvar_wait_address = 0;
-            thread->wait_handle = 0;
+            thread->SetLockOwner(nullptr);
+            thread->SetMutexWaitAddress(0);
+            thread->SetCondVarWaitAddress(0);
+            thread->SetWaitHandle(0);
         } else {
             // Atomically signal that the mutex now has a waiting thread.
             do {
-                monitor.SetExclusive(current_core, thread->mutex_wait_address);
+                monitor.SetExclusive(current_core, thread->GetMutexWaitAddress());
 
                 // Ensure that the mutex value is still what we expect.
-                u32 value = Memory::Read32(thread->mutex_wait_address);
+                u32 value = Memory::Read32(thread->GetMutexWaitAddress());
                 // TODO(Subv): When this happens, the kernel just clears the exclusive state and
                 // retries the initial read for this thread.
                 ASSERT_MSG(mutex_val == value, "Unhandled synchronization primitive case");
-            } while (!monitor.ExclusiveWrite32(current_core, thread->mutex_wait_address,
+            } while (!monitor.ExclusiveWrite32(current_core, thread->GetMutexWaitAddress(),
                                                mutex_val | Mutex::MutexHasWaitersFlag));
 
             // The mutex is already owned by some other thread, make this thread wait on it.
@@ -802,12 +895,12 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
             Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
             auto owner = kernel.HandleTable().Get<Thread>(owner_handle);
             ASSERT(owner);
-            ASSERT(thread->status == ThreadStatus::WaitMutex);
-            thread->wakeup_callback = nullptr;
+            ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
+            thread->InvalidateWakeupCallback();
 
             owner->AddMutexWaiter(thread);
 
-            Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
+            Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
         }
     }
 
@@ -913,8 +1006,8 @@ static ResultCode GetThreadCoreMask(Handle thread_handle, u32* core, u64* mask)
         return ERR_INVALID_HANDLE;
     }
 
-    *core = thread->ideal_core;
-    *mask = thread->affinity_mask;
+    *core = thread->GetIdealCore();
+    *mask = thread->GetAffinityMask();
 
     return RESULT_SUCCESS;
 }
@@ -930,11 +1023,13 @@ static ResultCode SetThreadCoreMask(Handle thread_handle, u32 core, u64 mask) {
     }
 
     if (core == static_cast<u32>(THREADPROCESSORID_DEFAULT)) {
-        ASSERT(thread->owner_process->GetDefaultProcessorID() !=
-               static_cast<u8>(THREADPROCESSORID_DEFAULT));
+        const u8 default_processor_id = thread->GetOwnerProcess()->GetDefaultProcessorID();
+
+        ASSERT(default_processor_id != static_cast<u8>(THREADPROCESSORID_DEFAULT));
+
         // Set the target CPU to the one specified in the process' exheader.
-        core = thread->owner_process->GetDefaultProcessorID();
-        mask = 1ull << core;
+        core = default_processor_id;
+        mask = 1ULL << core;
     }
 
     if (mask == 0) {
@@ -945,7 +1040,7 @@ static ResultCode SetThreadCoreMask(Handle thread_handle, u32 core, u64 mask) {
     static constexpr u32 OnlyChangeMask = static_cast<u32>(-3);
 
     if (core == OnlyChangeMask) {
-        core = thread->ideal_core;
+        core = thread->GetIdealCore();
     } else if (core >= Core::NUM_CPU_CORES && core != static_cast<u32>(-1)) {
         return ResultCode(ErrorModule::Kernel, ErrCodes::InvalidProcessorId);
     }
@@ -1003,6 +1098,29 @@ static ResultCode ClearEvent(Handle handle) {
     return RESULT_SUCCESS;
 }
 
+static ResultCode GetProcessInfo(u64* out, Handle process_handle, u32 type) {
+    LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, type);
+
+    // This function currently only allows retrieving a process' status.
+    enum class InfoType {
+        Status,
+    };
+
+    const auto& kernel = Core::System::GetInstance().Kernel();
+    const auto process = kernel.HandleTable().Get<Process>(process_handle);
+    if (!process) {
+        return ERR_INVALID_HANDLE;
+    }
+
+    const auto info_type = static_cast<InfoType>(type);
+    if (info_type != InfoType::Status) {
+        return ERR_INVALID_ENUM_VALUE;
+    }
+
+    *out = static_cast<u64>(process->GetStatus());
+    return RESULT_SUCCESS;
+}
+
 namespace {
 struct FunctionDef {
     using Func = void();
@@ -1138,7 +1256,7 @@ static const FunctionDef SVC_Table[] = {
     {0x79, nullptr, "CreateProcess"},
     {0x7A, nullptr, "StartProcess"},
     {0x7B, nullptr, "TerminateProcess"},
-    {0x7C, nullptr, "GetProcessInfo"},
+    {0x7C, SvcWrap<GetProcessInfo>, "GetProcessInfo"},
     {0x7D, nullptr, "CreateResourceLimit"},
     {0x7E, nullptr, "SetResourceLimitLimitValue"},
     {0x7F, nullptr, "CallSecureMonitor"},

src/core/hle/kernel/svc_wrap.h

@@ -35,18 +35,18 @@ void SvcWrap() {
 
 template <ResultCode func(u32)>
 void SvcWrap() {
-    FuncReturn(func((u32)Param(0)).raw);
+    FuncReturn(func(static_cast<u32>(Param(0))).raw);
 }
 
 template <ResultCode func(u32, u32)>
 void SvcWrap() {
-    FuncReturn(func((u32)Param(0), (u32)Param(1)).raw);
+    FuncReturn(func(static_cast<u32>(Param(0)), static_cast<u32>(Param(1))).raw);
 }
 
 template <ResultCode func(u32*, u32)>
 void SvcWrap() {
     u32 param_1 = 0;
-    u32 retval = func(&param_1, (u32)Param(1)).raw;
+    u32 retval = func(&param_1, static_cast<u32>(Param(1))).raw;
     Core::CurrentArmInterface().SetReg(1, param_1);
     FuncReturn(retval);
 }
@@ -61,7 +61,7 @@ void SvcWrap() {
 
 template <ResultCode func(u64, s32)>
 void SvcWrap() {
-    FuncReturn(func(Param(0), (s32)Param(1)).raw);
+    FuncReturn(func(Param(0), static_cast<s32>(Param(1))).raw);
 }
 
 template <ResultCode func(u64, u32)>
@@ -77,21 +77,29 @@ void SvcWrap() {
     FuncReturn(retval);
 }
 
+template <ResultCode func(u64*, u32, u32)>
+void SvcWrap() {
+    u64 param_1 = 0;
+    u32 retval = func(&param_1, static_cast<u32>(Param(1)), static_cast<u32>(Param(2))).raw;
+    Core::CurrentArmInterface().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
 template <ResultCode func(u32, u64)>
 void SvcWrap() {
-    FuncReturn(func((u32)(Param(0) & 0xFFFFFFFF), Param(1)).raw);
+    FuncReturn(func(static_cast<u32>(Param(0)), Param(1)).raw);
 }
 
 template <ResultCode func(u32, u32, u64)>
 void SvcWrap() {
-    FuncReturn(func((u32)(Param(0) & 0xFFFFFFFF), (u32)(Param(1) & 0xFFFFFFFF), Param(2)).raw);
+    FuncReturn(func(static_cast<u32>(Param(0)), static_cast<u32>(Param(1)), Param(2)).raw);
 }
 
 template <ResultCode func(u32, u32*, u64*)>
 void SvcWrap() {
     u32 param_1 = 0;
     u64 param_2 = 0;
-    ResultCode retval = func((u32)(Param(2) & 0xFFFFFFFF), &param_1, &param_2);
+    ResultCode retval = func(static_cast<u32>(Param(2)), &param_1, &param_2);
     Core::CurrentArmInterface().SetReg(1, param_1);
     Core::CurrentArmInterface().SetReg(2, param_2);
     FuncReturn(retval.raw);
@@ -100,12 +108,12 @@ void SvcWrap() {
 template <ResultCode func(u64, u64, u32, u32)>
 void SvcWrap() {
     FuncReturn(
-        func(Param(0), Param(1), (u32)(Param(3) & 0xFFFFFFFF), (u32)(Param(3) & 0xFFFFFFFF)).raw);
+        func(Param(0), Param(1), static_cast<u32>(Param(3)), static_cast<u32>(Param(3))).raw);
 }
 
 template <ResultCode func(u32, u64, u32)>
 void SvcWrap() {
-    FuncReturn(func((u32)Param(0), Param(1), (u32)Param(2)).raw);
+    FuncReturn(func(static_cast<u32>(Param(0)), Param(1), static_cast<u32>(Param(2))).raw);
 }
 
 template <ResultCode func(u64, u64, u64)>
@@ -115,25 +123,28 @@ void SvcWrap() {
 
 template <ResultCode func(u32, u64, u64, u32)>
 void SvcWrap() {
-    FuncReturn(func((u32)Param(0), Param(1), Param(2), (u32)Param(3)).raw);
+    FuncReturn(
+        func(static_cast<u32>(Param(0)), Param(1), Param(2), static_cast<u32>(Param(3))).raw);
 }
 
 template <ResultCode func(u32, u64, u64)>
 void SvcWrap() {
-    FuncReturn(func((u32)Param(0), Param(1), Param(2)).raw);
+    FuncReturn(func(static_cast<u32>(Param(0)), Param(1), Param(2)).raw);
 }
 
 template <ResultCode func(u32*, u64, u64, s64)>
 void SvcWrap() {
     u32 param_1 = 0;
-    ResultCode retval = func(&param_1, Param(1), (u32)(Param(2) & 0xFFFFFFFF), (s64)Param(3));
+    ResultCode retval =
+        func(&param_1, Param(1), static_cast<u32>(Param(2)), static_cast<s64>(Param(3)));
     Core::CurrentArmInterface().SetReg(1, param_1);
     FuncReturn(retval.raw);
 }
 
 template <ResultCode func(u64, u64, u32, s64)>
 void SvcWrap() {
-    FuncReturn(func(Param(0), Param(1), (u32)Param(2), (s64)Param(3)).raw);
+    FuncReturn(
+        func(Param(0), Param(1), static_cast<u32>(Param(2)), static_cast<s64>(Param(3))).raw);
 }
 
 template <ResultCode func(u64*, u64, u64, u64)>
@@ -147,9 +158,9 @@ void SvcWrap() {
 template <ResultCode func(u32*, u64, u64, u64, u32, s32)>
 void SvcWrap() {
     u32 param_1 = 0;
-    u32 retval =
-        func(&param_1, Param(1), Param(2), Param(3), (u32)Param(4), (s32)(Param(5) & 0xFFFFFFFF))
-            .raw;
+    u32 retval = func(&param_1, Param(1), Param(2), Param(3), static_cast<u32>(Param(4)),
+                      static_cast<s32>(Param(5)))
+                     .raw;
     Core::CurrentArmInterface().SetReg(1, param_1);
     FuncReturn(retval);
 }
@@ -172,7 +183,7 @@ void SvcWrap() {
 template <ResultCode func(u32*, u64, u64, u32)>
 void SvcWrap() {
     u32 param_1 = 0;
-    u32 retval = func(&param_1, Param(1), Param(2), (u32)(Param(3) & 0xFFFFFFFF)).raw;
+    u32 retval = func(&param_1, Param(1), Param(2), static_cast<u32>(Param(3))).raw;
     Core::CurrentArmInterface().SetReg(1, param_1);
     FuncReturn(retval);
 }
@@ -181,22 +192,22 @@ template <ResultCode func(Handle*, u64, u32, u32)>
 void SvcWrap() {
     u32 param_1 = 0;
     u32 retval =
-        func(&param_1, Param(1), (u32)(Param(2) & 0xFFFFFFFF), (u32)(Param(3) & 0xFFFFFFFF)).raw;
+        func(&param_1, Param(1), static_cast<u32>(Param(2)), static_cast<u32>(Param(3))).raw;
     Core::CurrentArmInterface().SetReg(1, param_1);
     FuncReturn(retval);
 }
 
 template <ResultCode func(u64, u32, s32, s64)>
 void SvcWrap() {
-    FuncReturn(
-        func(Param(0), (u32)(Param(1) & 0xFFFFFFFF), (s32)(Param(2) & 0xFFFFFFFF), (s64)Param(3))
-            .raw);
+    FuncReturn(func(Param(0), static_cast<u32>(Param(1)), static_cast<s32>(Param(2)),
+                    static_cast<s64>(Param(3)))
+                   .raw);
 }
 
 template <ResultCode func(u64, u32, s32, s32)>
 void SvcWrap() {
-    FuncReturn(func(Param(0), (u32)(Param(1) & 0xFFFFFFFF), (s32)(Param(2) & 0xFFFFFFFF),
-                    (s32)(Param(3) & 0xFFFFFFFF))
+    FuncReturn(func(Param(0), static_cast<u32>(Param(1)), static_cast<s32>(Param(2)),
+                    static_cast<s32>(Param(3)))
                    .raw);
 }
 
@@ -226,7 +237,7 @@ void SvcWrap() {
 
 template <void func(s64)>
 void SvcWrap() {
-    func((s64)Param(0));
+    func(static_cast<s64>(Param(0)));
 }
 
 template <void func(u64, u64 len)>
@@ -239,4 +250,9 @@ void SvcWrap() {
     func(Param(0), Param(1), Param(2));
 }
 
+template <void func(u32, u64, u64)>
+void SvcWrap() {
+    func(static_cast<u32>(Param(0)), Param(1), Param(2));
+}
+
 } // namespace Kernel

src/core/hle/kernel/thread.cpp

@@ -70,7 +70,7 @@ void Thread::Stop() {
 
 void WaitCurrentThread_Sleep() {
     Thread* thread = GetCurrentThread();
-    thread->status = ThreadStatus::WaitSleep;
+    thread->SetStatus(ThreadStatus::WaitSleep);
 }
 
 void ExitCurrentThread() {
@@ -169,7 +169,7 @@ void Thread::ResumeFromWait() {
     next_scheduler->ScheduleThread(this, current_priority);
 
     // Change thread's scheduler
-    scheduler = next_scheduler;
+    scheduler = next_scheduler.get();
 
     Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
 }
@@ -183,18 +183,15 @@ void Thread::ResumeFromWait() {
  */
 static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAddr stack_top,
                                VAddr entry_point, u64 arg) {
-    memset(&context, 0, sizeof(Core::ARM_Interface::ThreadContext));
-
+    context = {};
     context.cpu_registers[0] = arg;
     context.pc = entry_point;
     context.sp = stack_top;
-    context.pstate = 0;
-    context.fpcr = 0;
 }
 
 ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point,
                                             u32 priority, u64 arg, s32 processor_id,
-                                            VAddr stack_top, SharedPtr<Process> owner_process) {
+                                            VAddr stack_top, Process& owner_process) {
     // Check if priority is in ranged. Lowest priority -> highest priority id.
     if (priority > THREADPRIO_LOWEST) {
         LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@@ -208,7 +205,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
 
     // TODO(yuriks): Other checks, returning 0xD9001BEA
 
-    if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
+    if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
         LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
         // TODO (bunnei): Find the correct error code to use here
         return ResultCode(-1);
@@ -232,8 +229,8 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
     thread->wait_handle = 0;
     thread->name = std::move(name);
     thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
-    thread->owner_process = owner_process;
-    thread->scheduler = Core::System::GetInstance().Scheduler(processor_id);
+    thread->owner_process = &owner_process;
+    thread->scheduler = Core::System::GetInstance().Scheduler(processor_id).get();
     thread->scheduler->AddThread(thread, priority);
     thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread);
 
@@ -264,14 +261,14 @@ SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 pri
     // Initialize new "main" thread
     const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
     auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, THREADPROCESSORID_0,
-                                     stack_top, &owner_process);
+                                     stack_top, owner_process);
 
     SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
 
     // Register 1 must be a handle to the main thread
-    thread->guest_handle = kernel.HandleTable().Create(thread).Unwrap();
-
-    thread->context.cpu_registers[1] = thread->guest_handle;
+    const Handle guest_handle = kernel.HandleTable().Create(thread).Unwrap();
+    thread->SetGuestHandle(guest_handle);
+    thread->GetContext().cpu_registers[1] = guest_handle;
 
     // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
     thread->ResumeFromWait();
@@ -299,6 +296,18 @@ VAddr Thread::GetCommandBufferAddress() const {
     return GetTLSAddress() + CommandHeaderOffset;
 }
 
+void Thread::SetStatus(ThreadStatus new_status) {
+    if (new_status == status) {
+        return;
+    }
+
+    if (status == ThreadStatus::Running) {
+        last_running_ticks = CoreTiming::GetTicks();
+    }
+
+    status = new_status;
+}
+
 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
@@ -388,11 +397,23 @@ void Thread::ChangeCore(u32 core, u64 mask) {
     next_scheduler->ScheduleThread(this, current_priority);
 
     // Change thread's scheduler
-    scheduler = next_scheduler;
+    scheduler = next_scheduler.get();
 
     Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
 }
 
+bool Thread::AllWaitObjectsReady() {
+    return std::none_of(
+        wait_objects.begin(), wait_objects.end(),
+        [this](const SharedPtr<WaitObject>& object) { return object->ShouldWait(this); });
+}
+
+bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
+                                  SharedPtr<WaitObject> object, std::size_t index) {
+    ASSERT(wakeup_callback);
+    return wakeup_callback(reason, std::move(thread), std::move(object), index);
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 /**

src/core/hle/kernel/thread.h

@@ -65,6 +65,15 @@ public:
     using TLSMemory = std::vector<u8>;
     using TLSMemoryPtr = std::shared_ptr<TLSMemory>;
 
+    using MutexWaitingThreads = std::vector<SharedPtr<Thread>>;
+
+    using ThreadContext = Core::ARM_Interface::ThreadContext;
+
+    using ThreadWaitObjects = std::vector<SharedPtr<WaitObject>>;
+
+    using WakeupCallback = std::function<bool(ThreadWakeupReason reason, SharedPtr<Thread> thread,
+                                              SharedPtr<WaitObject> object, std::size_t index)>;
+
     /**
      * Creates and returns a new thread. The new thread is immediately scheduled
      * @param kernel The kernel instance this thread will be created under.
@@ -80,7 +89,7 @@ public:
     static ResultVal<SharedPtr<Thread>> Create(KernelCore& kernel, std::string name,
                                                VAddr entry_point, u32 priority, u64 arg,
                                                s32 processor_id, VAddr stack_top,
-                                               SharedPtr<Process> owner_process);
+                                               Process& owner_process);
 
     std::string GetName() const override {
         return name;
@@ -105,6 +114,14 @@ public:
         return current_priority;
     }
 
+    /**
+     * Gets the thread's nominal priority.
+     * @return The current thread's nominal priority.
+     */
+    u32 GetNominalPriority() const {
+        return nominal_priority;
+    }
+
     /**
      * Sets the thread's current priority
      * @param priority The new priority
@@ -133,7 +150,7 @@ public:
      * Gets the thread's thread ID
      * @return The thread's ID
      */
-    u32 GetThreadId() const {
+    u32 GetThreadID() const {
         return thread_id;
     }
 
@@ -203,6 +220,11 @@ public:
         return tpidr_el0;
     }
 
+    /// Sets the value of the TPIDR_EL0 Read/Write system register for this thread.
+    void SetTPIDR_EL0(u64 value) {
+        tpidr_el0 = value;
+    }
+
     /*
      * Returns the address of the current thread's command buffer, located in the TLS.
      * @returns VAddr of the thread's command buffer.
@@ -218,69 +240,193 @@ public:
         return status == ThreadStatus::WaitSynchAll;
     }
 
-    Core::ARM_Interface::ThreadContext context;
+    ThreadContext& GetContext() {
+        return context;
+    }
 
-    u32 thread_id;
+    const ThreadContext& GetContext() const {
+        return context;
+    }
 
-    ThreadStatus status;
-    VAddr entry_point;
-    VAddr stack_top;
+    ThreadStatus GetStatus() const {
+        return status;
+    }
 
-    u32 nominal_priority; ///< Nominal thread priority, as set by the emulated application
-    u32 current_priority; ///< Current thread priority, can be temporarily changed
+    void SetStatus(ThreadStatus new_status);
 
-    u64 last_running_ticks; ///< CPU tick when thread was last running
+    u64 GetLastRunningTicks() const {
+        return last_running_ticks;
+    }
 
-    s32 processor_id;
+    s32 GetProcessorID() const {
+        return processor_id;
+    }
 
-    VAddr tls_address; ///< Virtual address of the Thread Local Storage of the thread
-    u64 tpidr_el0;     ///< TPIDR_EL0 read/write system register.
+    Process* GetOwnerProcess() {
+        return owner_process;
+    }
 
-    SharedPtr<Process> owner_process; ///< Process that owns this thread
+    const Process* GetOwnerProcess() const {
+        return owner_process;
+    }
 
-    /// Objects that the thread is waiting on, in the same order as they were
-    // passed to WaitSynchronization1/N.
-    std::vector<SharedPtr<WaitObject>> wait_objects;
+    const ThreadWaitObjects& GetWaitObjects() const {
+        return wait_objects;
+    }
 
-    /// List of threads that are waiting for a mutex that is held by this thread.
-    std::vector<SharedPtr<Thread>> wait_mutex_threads;
+    void SetWaitObjects(ThreadWaitObjects objects) {
+        wait_objects = std::move(objects);
+    }
 
-    /// Thread that owns the lock that this thread is waiting for.
-    SharedPtr<Thread> lock_owner;
+    void ClearWaitObjects() {
+        wait_objects.clear();
+    }
 
-    // If waiting on a ConditionVariable, this is the ConditionVariable  address
-    VAddr condvar_wait_address;
-    VAddr mutex_wait_address; ///< If waiting on a Mutex, this is the mutex address
-    Handle wait_handle;       ///< The handle used to wait for the mutex.
+    /// Determines whether all the objects this thread is waiting on are ready.
+    bool AllWaitObjectsReady();
 
-    // If waiting for an AddressArbiter, this is the address being waited on.
-    VAddr arb_wait_address{0};
+    const MutexWaitingThreads& GetMutexWaitingThreads() const {
+        return wait_mutex_threads;
+    }
 
-    std::string name;
+    Thread* GetLockOwner() const {
+        return lock_owner.get();
+    }
 
-    /// Handle used by guest emulated application to access this thread
-    Handle guest_handle;
+    void SetLockOwner(SharedPtr<Thread> owner) {
+        lock_owner = std::move(owner);
+    }
 
-    /// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
-    Handle callback_handle;
+    VAddr GetCondVarWaitAddress() const {
+        return condvar_wait_address;
+    }
 
-    using WakeupCallback = bool(ThreadWakeupReason reason, SharedPtr<Thread> thread,
-                                SharedPtr<WaitObject> object, std::size_t index);
-    // Callback that will be invoked when the thread is resumed from a waiting state. If the thread
-    // was waiting via WaitSynchronizationN then the object will be the last object that became
-    // available. In case of a timeout, the object will be nullptr.
-    std::function<WakeupCallback> wakeup_callback;
+    void SetCondVarWaitAddress(VAddr address) {
+        condvar_wait_address = address;
+    }
 
-    std::shared_ptr<Scheduler> scheduler;
+    VAddr GetMutexWaitAddress() const {
+        return mutex_wait_address;
+    }
 
-    u32 ideal_core{0xFFFFFFFF};
-    u64 affinity_mask{0x1};
+    void SetMutexWaitAddress(VAddr address) {
+        mutex_wait_address = address;
+    }
+
+    Handle GetWaitHandle() const {
+        return wait_handle;
+    }
+
+    void SetWaitHandle(Handle handle) {
+        wait_handle = handle;
+    }
+
+    VAddr GetArbiterWaitAddress() const {
+        return arb_wait_address;
+    }
+
+    void SetArbiterWaitAddress(VAddr address) {
+        arb_wait_address = address;
+    }
+
+    void SetGuestHandle(Handle handle) {
+        guest_handle = handle;
+    }
+
+    bool HasWakeupCallback() const {
+        return wakeup_callback != nullptr;
+    }
+
+    void SetWakeupCallback(WakeupCallback callback) {
+        wakeup_callback = std::move(callback);
+    }
+
+    void InvalidateWakeupCallback() {
+        SetWakeupCallback(nullptr);
+    }
+
+    /**
+     * Invokes the thread's wakeup callback.
+     *
+     * @pre A valid wakeup callback has been set. Violating this precondition
+     *      will cause an assertion to trigger.
+     */
+    bool InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
+                              SharedPtr<WaitObject> object, std::size_t index);
+
+    u32 GetIdealCore() const {
+        return ideal_core;
+    }
+
+    u64 GetAffinityMask() const {
+        return affinity_mask;
+    }
 
 private:
     explicit Thread(KernelCore& kernel);
     ~Thread() override;
 
+    Core::ARM_Interface::ThreadContext context{};
+
+    u32 thread_id = 0;
+
+    ThreadStatus status = ThreadStatus::Dormant;
+
+    VAddr entry_point = 0;
+    VAddr stack_top = 0;
+
+    u32 nominal_priority = 0; ///< Nominal thread priority, as set by the emulated application
+    u32 current_priority = 0; ///< Current thread priority, can be temporarily changed
+
+    u64 last_running_ticks = 0; ///< CPU tick when thread was last running
+
+    s32 processor_id = 0;
+
+    VAddr tls_address = 0; ///< Virtual address of the Thread Local Storage of the thread
+    u64 tpidr_el0 = 0;     ///< TPIDR_EL0 read/write system register.
+
+    /// Process that owns this thread
+    Process* owner_process;
+
+    /// Objects that the thread is waiting on, in the same order as they were
+    /// passed to WaitSynchronization1/N.
+    ThreadWaitObjects wait_objects;
+
+    /// List of threads that are waiting for a mutex that is held by this thread.
+    MutexWaitingThreads wait_mutex_threads;
+
+    /// Thread that owns the lock that this thread is waiting for.
+    SharedPtr<Thread> lock_owner;
+
+    /// If waiting on a ConditionVariable, this is the ConditionVariable address
+    VAddr condvar_wait_address = 0;
+    /// If waiting on a Mutex, this is the mutex address
+    VAddr mutex_wait_address = 0;
+    /// The handle used to wait for the mutex.
+    Handle wait_handle = 0;
+
+    /// If waiting for an AddressArbiter, this is the address being waited on.
+    VAddr arb_wait_address{0};
+
+    /// Handle used by guest emulated application to access this thread
+    Handle guest_handle = 0;
+
+    /// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
+    Handle callback_handle = 0;
+
+    /// Callback that will be invoked when the thread is resumed from a waiting state. If the thread
+    /// was waiting via WaitSynchronizationN then the object will be the last object that became
+    /// available. In case of a timeout, the object will be nullptr.
+    WakeupCallback wakeup_callback;
+
+    Scheduler* scheduler = nullptr;
+
+    u32 ideal_core{0xFFFFFFFF};
+    u64 affinity_mask{0x1};
+
     TLSMemoryPtr tls_memory = std::make_shared<TLSMemory>();
+
+    std::string name;
 };
 
 /**

src/core/hle/kernel/wait_object.cpp

@@ -35,13 +35,15 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() {
     u32 candidate_priority = THREADPRIO_LOWEST + 1;
 
     for (const auto& thread : waiting_threads) {
+        const ThreadStatus thread_status = thread->GetStatus();
+
         // The list of waiting threads must not contain threads that are not waiting to be awakened.
-        ASSERT_MSG(thread->status == ThreadStatus::WaitSynchAny ||
-                       thread->status == ThreadStatus::WaitSynchAll ||
-                       thread->status == ThreadStatus::WaitHLEEvent,
+        ASSERT_MSG(thread_status == ThreadStatus::WaitSynchAny ||
+                       thread_status == ThreadStatus::WaitSynchAll ||
+                       thread_status == ThreadStatus::WaitHLEEvent,
                    "Inconsistent thread statuses in waiting_threads");
 
-        if (thread->current_priority >= candidate_priority)
+        if (thread->GetPriority() >= candidate_priority)
             continue;
 
         if (ShouldWait(thread.get()))
@@ -50,16 +52,13 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() {
         // A thread is ready to run if it's either in ThreadStatus::WaitSynchAny or
         // in ThreadStatus::WaitSynchAll and the rest of the objects it is waiting on are ready.
         bool ready_to_run = true;
-        if (thread->status == ThreadStatus::WaitSynchAll) {
-            ready_to_run = std::none_of(thread->wait_objects.begin(), thread->wait_objects.end(),
-                                        [&thread](const SharedPtr<WaitObject>& object) {
-                                            return object->ShouldWait(thread.get());
-                                        });
+        if (thread_status == ThreadStatus::WaitSynchAll) {
+            ready_to_run = thread->AllWaitObjectsReady();
         }
 
         if (ready_to_run) {
             candidate = thread.get();
-            candidate_priority = thread->current_priority;
+            candidate_priority = thread->GetPriority();
         }
     }
 
@@ -75,24 +74,24 @@ void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) {
     if (!thread->IsSleepingOnWaitAll()) {
         Acquire(thread.get());
     } else {
-        for (auto& object : thread->wait_objects) {
+        for (const auto& object : thread->GetWaitObjects()) {
             ASSERT(!object->ShouldWait(thread.get()));
             object->Acquire(thread.get());
         }
     }
 
-    std::size_t index = thread->GetWaitObjectIndex(this);
+    const std::size_t index = thread->GetWaitObjectIndex(this);
 
-    for (auto& object : thread->wait_objects)
+    for (const auto& object : thread->GetWaitObjects())
         object->RemoveWaitingThread(thread.get());
-    thread->wait_objects.clear();
+    thread->ClearWaitObjects();
 
     thread->CancelWakeupTimer();
 
     bool resume = true;
 
-    if (thread->wakeup_callback)
-        resume = thread->wakeup_callback(ThreadWakeupReason::Signal, thread, this, index);
+    if (thread->HasWakeupCallback())
+        resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Signal, thread, this, index);
 
     if (resume)
         thread->ResumeFromWait();

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

@@ -61,13 +61,13 @@ AOC_U::AOC_U() : ServiceFramework("aoc:u"), add_on_content(AccumulateAOCTitleIDs
 AOC_U::~AOC_U() = default;
 
 void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
-    IPC::ResponseBuilder rb{ctx, 4};
+    IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
 
     const auto current = Core::System::GetInstance().CurrentProcess()->GetTitleID();
-    rb.Push<u32>(std::count_if(add_on_content.begin(), add_on_content.end(), [&current](u64 tid) {
-        return (tid & DLC_BASE_TITLE_ID_MASK) == current;
-    }));
+    rb.Push<u32>(static_cast<u32>(
+        std::count_if(add_on_content.begin(), add_on_content.end(),
+                      [&current](u64 tid) { return (tid & DLC_BASE_TITLE_ID_MASK) == current; })));
 }
 
 void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
@@ -84,14 +84,14 @@ void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
             out.push_back(static_cast<u32>(add_on_content[i] & 0x7FF));
     }
 
-    if (out.size() <= offset) {
+    if (out.size() < offset) {
         IPC::ResponseBuilder rb{ctx, 2};
         // TODO(DarkLordZach): Find the correct error code.
         rb.Push(ResultCode(-1));
         return;
     }
 
-    count = std::min<size_t>(out.size() - offset, count);
+    count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
     std::rotate(out.begin(), out.begin() + offset, out.end());
     out.resize(count);
 

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

@@ -2,8 +2,10 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <chrono>
 #include <cstring>
 #include <memory>
+#include <optional>
 #include <vector>
 
 #include <opus.h>
@@ -33,7 +35,8 @@ public:
             {1, nullptr, "SetContext"},
             {2, nullptr, "DecodeInterleavedForMultiStream"},
             {3, nullptr, "SetContextForMultiStream"},
-            {4, nullptr, "Unknown4"},
+            {4, &IHardwareOpusDecoderManager::DecodeInterleavedWithPerformance,
+             "DecodeInterleavedWithPerformance"},
             {5, nullptr, "Unknown5"},
             {6, nullptr, "Unknown6"},
             {7, nullptr, "Unknown7"},
@@ -59,8 +62,31 @@ private:
         ctx.WriteBuffer(samples.data(), samples.size() * sizeof(s16));
     }
 
-    bool Decoder_DecodeInterleaved(u32& consumed, u32& sample_count, const std::vector<u8>& input,
-                                   std::vector<opus_int16>& output) {
+    void DecodeInterleavedWithPerformance(Kernel::HLERequestContext& ctx) {
+        u32 consumed = 0;
+        u32 sample_count = 0;
+        u64 performance = 0;
+        std::vector<opus_int16> samples(ctx.GetWriteBufferSize() / sizeof(opus_int16));
+        if (!Decoder_DecodeInterleaved(consumed, sample_count, ctx.ReadBuffer(), samples,
+                                       performance)) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            // TODO(ogniK): Use correct error code
+            rb.Push(ResultCode(-1));
+            return;
+        }
+        IPC::ResponseBuilder rb{ctx, 6};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(consumed);
+        rb.Push<u64>(performance);
+        rb.Push<u32>(sample_count);
+        ctx.WriteBuffer(samples.data(), samples.size() * sizeof(s16));
+    }
+
+    bool Decoder_DecodeInterleaved(
+        u32& consumed, u32& sample_count, const std::vector<u8>& input,
+        std::vector<opus_int16>& output,
+        std::optional<std::reference_wrapper<u64>> performance_time = std::nullopt) {
+        const auto start_time = std::chrono::high_resolution_clock::now();
         std::size_t raw_output_sz = output.size() * sizeof(opus_int16);
         if (sizeof(OpusHeader) > input.size())
             return false;
@@ -80,8 +106,13 @@ private:
                         (static_cast<int>(raw_output_sz / sizeof(s16) / channel_count)), 0);
         if (out_sample_count < 0)
             return false;
+        const auto end_time = std::chrono::high_resolution_clock::now() - start_time;
         sample_count = out_sample_count;
         consumed = static_cast<u32>(sizeof(OpusHeader) + hdr.sz);
+        if (performance_time.has_value()) {
+            performance_time->get() =
+                std::chrono::duration_cast<std::chrono::milliseconds>(end_time).count();
+        }
         return true;
     }
 

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

@@ -264,6 +264,15 @@ ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory) {
     return RESULT_SUCCESS;
 }
 
+void SetPackedUpdate(FileSys::VirtualFile update_raw) {
+    LOG_TRACE(Service_FS, "Setting packed update for romfs");
+
+    if (romfs_factory == nullptr)
+        return;
+
+    romfs_factory->SetPackedUpdate(std::move(update_raw));
+}
+
 ResultVal<FileSys::VirtualFile> OpenRomFSCurrentProcess() {
     LOG_TRACE(Service_FS, "Opening RomFS for current process");
 

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

@@ -39,6 +39,7 @@ ResultCode RegisterSaveData(std::unique_ptr<FileSys::SaveDataFactory>&& factory)
 ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory);
 ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory);
 
+void SetPackedUpdate(FileSys::VirtualFile update_raw);
 ResultVal<FileSys::VirtualFile> OpenRomFSCurrentProcess();
 ResultVal<FileSys::VirtualFile> OpenRomFS(u64 title_id, FileSys::StorageId storage_id,
                                           FileSys::ContentRecordType type);

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

@@ -468,6 +468,7 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
         {80, nullptr, "OpenSaveDataMetaFile"},
         {81, nullptr, "OpenSaveDataTransferManager"},
         {82, nullptr, "OpenSaveDataTransferManagerVersion2"},
+        {83, nullptr, "OpenSaveDataTransferProhibiterForCloudBackUp"},
         {100, nullptr, "OpenImageDirectoryFileSystem"},
         {110, nullptr, "OpenContentStorageFileSystem"},
         {200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
@@ -495,6 +496,7 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
         {613, nullptr, "VerifySaveDataFileSystemBySaveDataSpaceId"},
         {614, nullptr, "CorruptSaveDataFileSystemBySaveDataSpaceId"},
         {615, nullptr, "QuerySaveDataInternalStorageTotalSize"},
+        {616, nullptr, "GetSaveDataCommitId"},
         {620, nullptr, "SetSdCardEncryptionSeed"},
         {630, nullptr, "SetSdCardAccessibility"},
         {631, nullptr, "IsSdCardAccessible"},

src/core/hle/service/lbl/lbl.cpp

@@ -21,29 +21,29 @@ public:
             {0, nullptr, "Unknown1"},
             {1, nullptr, "Unknown2"},
             {2, nullptr, "Unknown3"},
-            {3, nullptr, "Unknown4"},
-            {4, nullptr, "Unknown5"},
-            {5, nullptr, "Unknown6"},
+            {3, nullptr, "GetCurrentBacklightLevel"},
+            {4, nullptr, "Unknown4"},
+            {5, nullptr, "GetAlsComputedBacklightLevel"},
             {6, nullptr, "TurnOffBacklight"},
             {7, nullptr, "TurnOnBacklight"},
             {8, nullptr, "GetBacklightStatus"},
-            {9, nullptr, "Unknown7"},
-            {10, nullptr, "Unknown8"},
-            {11, nullptr, "Unknown9"},
-            {12, nullptr, "Unknown10"},
-            {13, nullptr, "Unknown11"},
-            {14, nullptr, "Unknown12"},
-            {15, nullptr, "Unknown13"},
+            {9, nullptr, "Unknown5"},
+            {10, nullptr, "Unknown6"},
+            {11, nullptr, "Unknown7"},
+            {12, nullptr, "Unknown8"},
+            {13, nullptr, "Unknown9"},
+            {14, nullptr, "Unknown10"},
+            {15, nullptr, "GetAutoBrightnessSetting"},
             {16, nullptr, "ReadRawLightSensor"},
-            {17, nullptr, "Unknown14"},
-            {18, nullptr, "Unknown15"},
-            {19, nullptr, "Unknown16"},
-            {20, nullptr, "Unknown17"},
-            {21, nullptr, "Unknown18"},
-            {22, nullptr, "Unknown19"},
-            {23, nullptr, "Unknown20"},
-            {24, nullptr, "Unknown21"},
-            {25, nullptr, "Unknown22"},
+            {17, nullptr, "Unknown11"},
+            {18, nullptr, "Unknown12"},
+            {19, nullptr, "Unknown13"},
+            {20, nullptr, "Unknown14"},
+            {21, nullptr, "Unknown15"},
+            {22, nullptr, "Unknown16"},
+            {23, nullptr, "Unknown17"},
+            {24, nullptr, "Unknown18"},
+            {25, nullptr, "Unknown19"},
             {26, &LBL::EnableVrMode, "EnableVrMode"},
             {27, &LBL::DisableVrMode, "DisableVrMode"},
             {28, &LBL::GetVrMode, "GetVrMode"},

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

@@ -15,6 +15,11 @@
 #include "video_core/renderer_base.h"
 
 namespace Service::Nvidia::Devices {
+namespace NvErrCodes {
+enum {
+    InvalidNmapHandle = -22,
+};
+}
 
 nvhost_as_gpu::nvhost_as_gpu(std::shared_ptr<nvmap> nvmap_dev) : nvmap_dev(std::move(nvmap_dev)) {}
 nvhost_as_gpu::~nvhost_as_gpu() = default;
@@ -79,14 +84,16 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
     std::memcpy(entries.data(), input.data(), input.size());
 
     auto& gpu = Core::System::GetInstance().GPU();
-
     for (const auto& entry : entries) {
         LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
                     entry.offset, entry.nvmap_handle, entry.pages);
         Tegra::GPUVAddr offset = static_cast<Tegra::GPUVAddr>(entry.offset) << 0x10;
-
         auto object = nvmap_dev->GetObject(entry.nvmap_handle);
-        ASSERT(object);
+        if (!object) {
+            LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle);
+            std::memcpy(output.data(), entries.data(), output.size());
+            return static_cast<u32>(NvErrCodes::InvalidNmapHandle);
+        }
 
         ASSERT(object->status == nvmap::Object::Status::Allocated);
 
@@ -157,15 +164,21 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
     LOG_DEBUG(Service_NVDRV, "called, offset=0x{:X}", params.offset);
 
     const auto itr = buffer_mappings.find(params.offset);
-    ASSERT_MSG(itr != buffer_mappings.end(), "Tried to unmap invalid mapping");
+    if (itr == buffer_mappings.end()) {
+        LOG_WARNING(Service_NVDRV, "Tried to unmap an invalid offset 0x{:X}", params.offset);
+        // Hardware tests shows that unmapping an already unmapped buffer always returns successful
+        // and doesn't fail.
+        return 0;
+    }
 
     auto& system_instance = Core::System::GetInstance();
 
     // Remove this memory region from the rasterizer cache.
-    system_instance.Renderer().Rasterizer().FlushAndInvalidateRegion(params.offset,
-                                                                     itr->second.size);
-
     auto& gpu = system_instance.GPU();
+    auto cpu_addr = gpu.MemoryManager().GpuToCpuAddress(params.offset);
+    ASSERT(cpu_addr);
+    system_instance.Renderer().Rasterizer().FlushAndInvalidateRegion(*cpu_addr, itr->second.size);
+
     params.offset = gpu.MemoryManager().UnmapBuffer(params.offset, itr->second.size);
 
     buffer_mappings.erase(itr->second.offset);

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

@@ -11,6 +11,13 @@
 
 namespace Service::Nvidia::Devices {
 
+namespace NvErrCodes {
+enum {
+    OperationNotPermitted = -1,
+    InvalidValue = -22,
+};
+}
+
 nvmap::nvmap() = default;
 nvmap::~nvmap() = default;
 
@@ -44,7 +51,11 @@ u32 nvmap::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& o
 u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
     IocCreateParams params;
     std::memcpy(&params, input.data(), sizeof(params));
+    LOG_DEBUG(Service_NVDRV, "size=0x{:08X}", params.size);
 
+    if (!params.size) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
     // Create a new nvmap object and obtain a handle to it.
     auto object = std::make_shared<Object>();
     object->id = next_id++;
@@ -55,8 +66,6 @@ u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
     u32 handle = next_handle++;
     handles[handle] = std::move(object);
 
-    LOG_DEBUG(Service_NVDRV, "size=0x{:08X}", params.size);
-
     params.handle = handle;
 
     std::memcpy(output.data(), &params, sizeof(params));
@@ -66,9 +75,29 @@ u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
 u32 nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
     IocAllocParams params;
     std::memcpy(&params, input.data(), sizeof(params));
+    LOG_DEBUG(Service_NVDRV, "called, addr={:X}", params.addr);
+
+    if (!params.handle) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+
+    if ((params.align - 1) & params.align) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+
+    const u32 min_alignment = 0x1000;
+    if (params.align < min_alignment) {
+        params.align = min_alignment;
+    }
 
     auto object = GetObject(params.handle);
-    ASSERT(object);
+    if (!object) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+
+    if (object->status == Object::Status::Allocated) {
+        return static_cast<u32>(NvErrCodes::OperationNotPermitted);
+    }
 
     object->flags = params.flags;
     object->align = params.align;
@@ -76,8 +105,6 @@ u32 nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
     object->addr = params.addr;
     object->status = Object::Status::Allocated;
 
-    LOG_DEBUG(Service_NVDRV, "called, addr={:X}", params.addr);
-
     std::memcpy(output.data(), &params, sizeof(params));
     return 0;
 }
@@ -88,8 +115,14 @@ u32 nvmap::IocGetId(const std::vector<u8>& input, std::vector<u8>& output) {
 
     LOG_WARNING(Service_NVDRV, "called");
 
+    if (!params.handle) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+
     auto object = GetObject(params.handle);
-    ASSERT(object);
+    if (!object) {
+        return static_cast<u32>(NvErrCodes::OperationNotPermitted);
+    }
 
     params.id = object->id;
 
@@ -105,7 +138,14 @@ u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
 
     auto itr = std::find_if(handles.begin(), handles.end(),
                             [&](const auto& entry) { return entry.second->id == params.id; });
-    ASSERT(itr != handles.end());
+    if (itr == handles.end()) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+
+    auto& object = itr->second;
+    if (object->status != Object::Status::Allocated) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
 
     itr->second->refcount++;
 
@@ -125,8 +165,13 @@ u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called type={}", params.param);
 
     auto object = GetObject(params.handle);
-    ASSERT(object);
-    ASSERT(object->status == Object::Status::Allocated);
+    if (!object) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+
+    if (object->status != Object::Status::Allocated) {
+        return static_cast<u32>(NvErrCodes::OperationNotPermitted);
+    }
 
     switch (static_cast<ParamTypes>(params.param)) {
     case ParamTypes::Size:
@@ -163,9 +208,12 @@ u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
 
     auto itr = handles.find(params.handle);
-    ASSERT(itr != handles.end());
-
-    ASSERT(itr->second->refcount > 0);
+    if (itr == handles.end()) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
+    if (!itr->second->refcount) {
+        return static_cast<u32>(NvErrCodes::InvalidValue);
+    }
 
     itr->second->refcount--;
 

src/core/hle/service/sm/sm.h

@@ -6,9 +6,12 @@
 
 #include <memory>
 #include <string>
+#include <type_traits>
 #include <unordered_map>
 
+#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/object.h"
+#include "core/hle/kernel/server_port.h"
 #include "core/hle/result.h"
 #include "core/hle/service/service.h"
 
@@ -48,6 +51,22 @@ public:
     ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> GetServicePort(const std::string& name);
     ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ConnectToService(const std::string& name);
 
+    template <typename T>
+    std::shared_ptr<T> GetService(const std::string& service_name) const {
+        static_assert(std::is_base_of_v<Kernel::SessionRequestHandler, T>,
+                      "Not a base of ServiceFrameworkBase");
+        auto service = registered_services.find(service_name);
+        if (service == registered_services.end()) {
+            LOG_DEBUG(Service, "Can't find service: {}", service_name);
+            return nullptr;
+        }
+        auto port = service->second->GetServerPort();
+        if (port == nullptr) {
+            return nullptr;
+        }
+        return std::static_pointer_cast<T>(port->hle_handler);
+    }
+
     void InvokeControlRequest(Kernel::HLERequestContext& context);
 
 private:

src/core/loader/deconstructed_rom_directory.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <cinttypes>
+#include <cstring>
 #include "common/common_funcs.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
@@ -130,6 +131,7 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
     }
 
     process.LoadFromMetadata(metadata);
+    const FileSys::PatchManager pm(metadata.GetTitleID());
 
     // Load NSO modules
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
@@ -137,13 +139,22 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
     for (const auto& module : {"rtld", "main", "subsdk0", "subsdk1", "subsdk2", "subsdk3",
                                "subsdk4", "subsdk5", "subsdk6", "subsdk7", "sdk"}) {
         const FileSys::VirtualFile module_file = dir->GetFile(module);
-        if (module_file != nullptr) {
-            const VAddr load_addr = next_load_addr;
-            next_load_addr = AppLoader_NSO::LoadModule(module_file, load_addr);
-            LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", module, load_addr);
-            // Register module with GDBStub
-            GDBStub::RegisterModule(module, load_addr, next_load_addr - 1, false);
+        if (module_file == nullptr) {
+            continue;
         }
+
+        const VAddr load_addr = next_load_addr;
+        const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
+        const auto tentative_next_load_addr =
+            AppLoader_NSO::LoadModule(*module_file, load_addr, should_pass_arguments, pm);
+        if (!tentative_next_load_addr) {
+            return ResultStatus::ErrorLoadingNSO;
+        }
+
+        next_load_addr = *tentative_next_load_addr;
+        LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", module, load_addr);
+        // Register module with GDBStub
+        GDBStub::RegisterModule(module, load_addr, next_load_addr - 1, false);
     }
 
     process.Run(base_address, metadata.GetMainThreadPriority(), metadata.GetMainThreadStackSize());

src/core/loader/elf.cpp

@@ -9,16 +9,11 @@
 #include "common/common_types.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
-#include "core/core.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/vm_manager.h"
 #include "core/loader/elf.h"
 #include "core/memory.h"
 
-using Kernel::CodeSet;
-using Kernel::SharedPtr;
-
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // ELF Header Constants
 
@@ -211,7 +206,7 @@ public:
     u32 GetFlags() const {
         return (u32)(header->e_flags);
     }
-    SharedPtr<CodeSet> LoadInto(VAddr vaddr);
+    Kernel::CodeSet LoadInto(VAddr vaddr);
 
     int GetNumSegments() const {
         return (int)(header->e_phnum);
@@ -274,7 +269,7 @@ const char* ElfReader::GetSectionName(int section) const {
     return nullptr;
 }
 
-SharedPtr<CodeSet> ElfReader::LoadInto(VAddr vaddr) {
+Kernel::CodeSet ElfReader::LoadInto(VAddr vaddr) {
     LOG_DEBUG(Loader, "String section: {}", header->e_shstrndx);
 
     // Should we relocate?
@@ -302,8 +297,7 @@ SharedPtr<CodeSet> ElfReader::LoadInto(VAddr vaddr) {
     std::vector<u8> program_image(total_image_size);
     std::size_t current_image_position = 0;
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    SharedPtr<CodeSet> codeset = CodeSet::Create(kernel, "");
+    Kernel::CodeSet codeset;
 
     for (unsigned int i = 0; i < header->e_phnum; ++i) {
         const Elf32_Phdr* p = &segments[i];
@@ -311,14 +305,14 @@ SharedPtr<CodeSet> ElfReader::LoadInto(VAddr vaddr) {
                   p->p_vaddr, p->p_filesz, p->p_memsz);
 
         if (p->p_type == PT_LOAD) {
-            CodeSet::Segment* codeset_segment;
+            Kernel::CodeSet::Segment* codeset_segment;
             u32 permission_flags = p->p_flags & (PF_R | PF_W | PF_X);
             if (permission_flags == (PF_R | PF_X)) {
-                codeset_segment = &codeset->CodeSegment();
+                codeset_segment = &codeset.CodeSegment();
             } else if (permission_flags == (PF_R)) {
-                codeset_segment = &codeset->RODataSegment();
+                codeset_segment = &codeset.RODataSegment();
             } else if (permission_flags == (PF_R | PF_W)) {
-                codeset_segment = &codeset->DataSegment();
+                codeset_segment = &codeset.DataSegment();
             } else {
                 LOG_ERROR(Loader, "Unexpected ELF PT_LOAD segment id {} with flags {:X}", i,
                           p->p_flags);
@@ -345,8 +339,8 @@ SharedPtr<CodeSet> ElfReader::LoadInto(VAddr vaddr) {
         }
     }
 
-    codeset->entrypoint = base_addr + header->e_entry;
-    codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
+    codeset.entrypoint = base_addr + header->e_entry;
+    codeset.memory = std::make_shared<std::vector<u8>>(std::move(program_image));
 
     LOG_DEBUG(Loader, "Done loading.");
 
@@ -397,11 +391,11 @@ ResultStatus AppLoader_ELF::Load(Kernel::Process& process) {
 
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
     ElfReader elf_reader(&buffer[0]);
-    SharedPtr<CodeSet> codeset = elf_reader.LoadInto(base_address);
-    codeset->name = file->GetName();
+    Kernel::CodeSet codeset = elf_reader.LoadInto(base_address);
+    const VAddr entry_point = codeset.entrypoint;
 
-    process.LoadModule(codeset, codeset->entrypoint);
-    process.Run(codeset->entrypoint, 48, Memory::DEFAULT_STACK_SIZE);
+    process.LoadModule(std::move(codeset), entry_point);
+    process.Run(entry_point, 48, Memory::DEFAULT_STACK_SIZE);
 
     is_loaded = true;
     return ResultStatus::Success;

src/core/loader/loader.cpp

@@ -93,7 +93,7 @@ std::string GetFileTypeString(FileType type) {
     return "unknown";
 }
 
-constexpr std::array<const char*, 58> RESULT_MESSAGES{
+constexpr std::array<const char*, 60> RESULT_MESSAGES{
     "The operation completed successfully.",
     "The loader requested to load is already loaded.",
     "The operation is not implemented.",
@@ -128,6 +128,7 @@ constexpr std::array<const char*, 58> RESULT_MESSAGES{
     "The RomFS could not be found.",
     "The ELF file has incorrect size as determined by the header.",
     "There was a general error loading the NRO into emulated memory.",
+    "There was a general error loading the NSO into emulated memory.",
     "There is no icon available.",
     "There is no control data available.",
     "The NAX file has a bad header.",
@@ -152,6 +153,7 @@ constexpr std::array<const char*, 58> RESULT_MESSAGES{
     "The BKTR-type NCA has a bad Relocation bucket.",
     "The BKTR-type NCA has a bad Subsection bucket.",
     "The BKTR-type NCA is missing the base RomFS.",
+    "The NSP or XCI does not contain an update in addition to the base game.",
 };
 
 std::ostream& operator<<(std::ostream& os, ResultStatus status) {

src/core/loader/loader.h

@@ -90,6 +90,7 @@ enum class ResultStatus : u16 {
     ErrorNoRomFS,
     ErrorIncorrectELFFileSize,
     ErrorLoadingNRO,
+    ErrorLoadingNSO,
     ErrorNoIcon,
     ErrorNoControl,
     ErrorBadNAXHeader,
@@ -114,6 +115,7 @@ enum class ResultStatus : u16 {
     ErrorBadRelocationBuckets,
     ErrorBadSubsectionBuckets,
     ErrorMissingBKTRBaseRomFS,
+    ErrorNoPackedUpdate,
 };
 
 std::ostream& operator<<(std::ostream& os, ResultStatus status);
@@ -196,10 +198,19 @@ public:
     /**
      * Get the RomFS of the application
      * Since the RomFS can be huge, we return a file reference instead of copying to a buffer
-     * @param dir The directory containing the RomFS
+     * @param file The directory containing the RomFS
      * @return ResultStatus result of function
      */
-    virtual ResultStatus ReadRomFS(FileSys::VirtualFile& dir) {
+    virtual ResultStatus ReadRomFS(FileSys::VirtualFile& file) {
+        return ResultStatus::ErrorNotImplemented;
+    }
+
+    /**
+     * Get the raw update of the application, should it come packed with one
+     * @param file The raw update NCA file (Program-type
+     * @return ResultStatus result of function
+     */
+    virtual ResultStatus ReadUpdateRaw(FileSys::VirtualFile& file) {
         return ResultStatus::ErrorNotImplemented;
     }
 

src/core/loader/nax.cpp

@@ -72,6 +72,10 @@ ResultStatus AppLoader_NAX::ReadRomFS(FileSys::VirtualFile& dir) {
     return nca_loader->ReadRomFS(dir);
 }
 
+u64 AppLoader_NAX::ReadRomFSIVFCOffset() const {
+    return nca_loader->ReadRomFSIVFCOffset();
+}
+
 ResultStatus AppLoader_NAX::ReadProgramId(u64& out_program_id) {
     return nca_loader->ReadProgramId(out_program_id);
 }

src/core/loader/nax.h

@@ -36,6 +36,7 @@ public:
     ResultStatus Load(Kernel::Process& process) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
+    u64 ReadRomFSIVFCOffset() const override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
 
 private:

src/core/loader/nro.cpp

@@ -14,11 +14,12 @@
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/gdbstub/gdbstub.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/vm_manager.h"
 #include "core/loader/nro.h"
+#include "core/loader/nso.h"
 #include "core/memory.h"
+#include "core/settings.h"
 
 namespace Loader {
 
@@ -126,10 +127,10 @@ static constexpr u32 PageAlignSize(u32 size) {
     return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
 }
 
-bool AppLoader_NRO::LoadNro(FileSys::VirtualFile file, VAddr load_base) {
+bool AppLoader_NRO::LoadNro(const FileSys::VfsFile& file, VAddr load_base) {
     // Read NSO header
     NroHeader nro_header{};
-    if (sizeof(NroHeader) != file->ReadObject(&nro_header)) {
+    if (sizeof(NroHeader) != file.ReadObject(&nro_header)) {
         return {};
     }
     if (nro_header.magic != Common::MakeMagic('N', 'R', 'O', '0')) {
@@ -137,17 +138,29 @@ bool AppLoader_NRO::LoadNro(FileSys::VirtualFile file, VAddr load_base) {
     }
 
     // Build program image
-    auto& kernel = Core::System::GetInstance().Kernel();
-    Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create(kernel, "");
-    std::vector<u8> program_image = file->ReadBytes(PageAlignSize(nro_header.file_size));
+    std::vector<u8> program_image = file.ReadBytes(PageAlignSize(nro_header.file_size));
     if (program_image.size() != PageAlignSize(nro_header.file_size)) {
         return {};
     }
 
+    Kernel::CodeSet codeset;
     for (std::size_t i = 0; i < nro_header.segments.size(); ++i) {
-        codeset->segments[i].addr = nro_header.segments[i].offset;
-        codeset->segments[i].offset = nro_header.segments[i].offset;
-        codeset->segments[i].size = PageAlignSize(nro_header.segments[i].size);
+        codeset.segments[i].addr = nro_header.segments[i].offset;
+        codeset.segments[i].offset = nro_header.segments[i].offset;
+        codeset.segments[i].size = PageAlignSize(nro_header.segments[i].size);
+    }
+
+    if (!Settings::values.program_args.empty()) {
+        const auto arg_data = Settings::values.program_args;
+        codeset.DataSegment().size += NSO_ARGUMENT_DATA_ALLOCATION_SIZE;
+        NSOArgumentHeader args_header{
+            NSO_ARGUMENT_DATA_ALLOCATION_SIZE, static_cast<u32_le>(arg_data.size()), {}};
+        const auto end_offset = program_image.size();
+        program_image.resize(static_cast<u32>(program_image.size()) +
+                             NSO_ARGUMENT_DATA_ALLOCATION_SIZE);
+        std::memcpy(program_image.data() + end_offset, &args_header, sizeof(NSOArgumentHeader));
+        std::memcpy(program_image.data() + end_offset + sizeof(NSOArgumentHeader), arg_data.data(),
+                    arg_data.size());
     }
 
     // Read MOD header
@@ -161,16 +174,15 @@ bool AppLoader_NRO::LoadNro(FileSys::VirtualFile file, VAddr load_base) {
         // Resize program image to include .bss section and page align each section
         bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
     }
-    codeset->DataSegment().size += bss_size;
+    codeset.DataSegment().size += bss_size;
     program_image.resize(static_cast<u32>(program_image.size()) + bss_size);
 
     // Load codeset for current process
-    codeset->name = file->GetName();
-    codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
-    Core::CurrentProcess()->LoadModule(codeset, load_base);
+    codeset.memory = std::make_shared<std::vector<u8>>(std::move(program_image));
+    Core::CurrentProcess()->LoadModule(std::move(codeset), load_base);
 
     // Register module with GDBStub
-    GDBStub::RegisterModule(codeset->name, load_base, load_base);
+    GDBStub::RegisterModule(file.GetName(), load_base, load_base);
 
     return true;
 }
@@ -183,7 +195,7 @@ ResultStatus AppLoader_NRO::Load(Kernel::Process& process) {
     // Load NRO
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
 
-    if (!LoadNro(file, base_address)) {
+    if (!LoadNro(*file, base_address)) {
         return ResultStatus::ErrorLoadingNRO;
     }
 

src/core/loader/nro.h

@@ -41,7 +41,7 @@ public:
     bool IsRomFSUpdatable() const override;
 
 private:
-    bool LoadNro(FileSys::VirtualFile file, VAddr load_base);
+    bool LoadNro(const FileSys::VfsFile& file, VAddr load_base);
 
     std::vector<u8> icon_data;
     std::unique_ptr<FileSys::NACP> nacp;

src/core/loader/nso.cpp

@@ -10,12 +10,13 @@
 #include "common/logging/log.h"
 #include "common/swap.h"
 #include "core/core.h"
+#include "core/file_sys/patch_manager.h"
 #include "core/gdbstub/gdbstub.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/vm_manager.h"
 #include "core/loader/nso.h"
 #include "core/memory.h"
+#include "core/settings.h"
 
 namespace Loader {
 
@@ -36,8 +37,7 @@ struct NsoHeader {
     INSERT_PADDING_WORDS(1);
     u8 flags;
     std::array<NsoSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
-    u32_le bss_size;
-    INSERT_PADDING_BYTES(0x1c);
+    std::array<u8, 0x20> build_id;
     std::array<u32_le, 3> segments_compressed_size;
 
     bool IsSegmentCompressed(size_t segment_num) const {
@@ -93,35 +93,46 @@ static constexpr u32 PageAlignSize(u32 size) {
     return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
 }
 
-VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base) {
-    if (file == nullptr)
-        return {};
-
-    if (file->GetSize() < sizeof(NsoHeader))
+std::optional<VAddr> AppLoader_NSO::LoadModule(const FileSys::VfsFile& file, VAddr load_base,
+                                               bool should_pass_arguments,
+                                               std::optional<FileSys::PatchManager> pm) {
+    if (file.GetSize() < sizeof(NsoHeader))
         return {};
 
     NsoHeader nso_header{};
-    if (sizeof(NsoHeader) != file->ReadObject(&nso_header))
+    if (sizeof(NsoHeader) != file.ReadObject(&nso_header))
         return {};
 
     if (nso_header.magic != Common::MakeMagic('N', 'S', 'O', '0'))
         return {};
 
     // Build program image
-    auto& kernel = Core::System::GetInstance().Kernel();
-    Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create(kernel, "");
+    Kernel::CodeSet codeset;
     std::vector<u8> program_image;
     for (std::size_t i = 0; i < nso_header.segments.size(); ++i) {
         std::vector<u8> data =
-            file->ReadBytes(nso_header.segments_compressed_size[i], nso_header.segments[i].offset);
+            file.ReadBytes(nso_header.segments_compressed_size[i], nso_header.segments[i].offset);
         if (nso_header.IsSegmentCompressed(i)) {
             data = DecompressSegment(data, nso_header.segments[i]);
         }
         program_image.resize(nso_header.segments[i].location);
         program_image.insert(program_image.end(), data.begin(), data.end());
-        codeset->segments[i].addr = nso_header.segments[i].location;
-        codeset->segments[i].offset = nso_header.segments[i].location;
-        codeset->segments[i].size = PageAlignSize(static_cast<u32>(data.size()));
+        codeset.segments[i].addr = nso_header.segments[i].location;
+        codeset.segments[i].offset = nso_header.segments[i].location;
+        codeset.segments[i].size = PageAlignSize(static_cast<u32>(data.size()));
+    }
+
+    if (should_pass_arguments && !Settings::values.program_args.empty()) {
+        const auto arg_data = Settings::values.program_args;
+        codeset.DataSegment().size += NSO_ARGUMENT_DATA_ALLOCATION_SIZE;
+        NSOArgumentHeader args_header{
+            NSO_ARGUMENT_DATA_ALLOCATION_SIZE, static_cast<u32_le>(arg_data.size()), {}};
+        const auto end_offset = program_image.size();
+        program_image.resize(static_cast<u32>(program_image.size()) +
+                             NSO_ARGUMENT_DATA_ALLOCATION_SIZE);
+        std::memcpy(program_image.data() + end_offset, &args_header, sizeof(NSOArgumentHeader));
+        std::memcpy(program_image.data() + end_offset + sizeof(NSOArgumentHeader), arg_data.data(),
+                    arg_data.size());
     }
 
     // MOD header pointer is at .text offset + 4
@@ -138,17 +149,27 @@ VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base) {
         // Resize program image to include .bss section and page align each section
         bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
     }
-    codeset->DataSegment().size += bss_size;
+    codeset.DataSegment().size += bss_size;
     const u32 image_size{PageAlignSize(static_cast<u32>(program_image.size()) + bss_size)};
     program_image.resize(image_size);
 
+    // Apply patches if necessary
+    if (pm && pm->HasNSOPatch(nso_header.build_id)) {
+        std::vector<u8> pi_header(program_image.size() + 0x100);
+        std::memcpy(pi_header.data(), &nso_header, sizeof(NsoHeader));
+        std::memcpy(pi_header.data() + 0x100, program_image.data(), program_image.size());
+
+        pi_header = pm->PatchNSO(pi_header);
+
+        std::memcpy(program_image.data(), pi_header.data() + 0x100, program_image.size());
+    }
+
     // Load codeset for current process
-    codeset->name = file->GetName();
-    codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
-    Core::CurrentProcess()->LoadModule(codeset, load_base);
+    codeset.memory = std::make_shared<std::vector<u8>>(std::move(program_image));
+    Core::CurrentProcess()->LoadModule(std::move(codeset), load_base);
 
     // Register module with GDBStub
-    GDBStub::RegisterModule(codeset->name, load_base, load_base);
+    GDBStub::RegisterModule(file.GetName(), load_base, load_base);
 
     return load_base + image_size;
 }
@@ -160,7 +181,9 @@ ResultStatus AppLoader_NSO::Load(Kernel::Process& process) {
 
     // Load module
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
-    LoadModule(file, base_address);
+    if (!LoadModule(*file, base_address, true)) {
+        return ResultStatus::ErrorLoadingNSO;
+    }
     LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", file->GetName(), base_address);
 
     process.Run(base_address, Kernel::THREADPRIO_DEFAULT, Memory::DEFAULT_STACK_SIZE);

src/core/loader/nso.h

@@ -4,12 +4,23 @@
 
 #pragma once
 
+#include <optional>
 #include "common/common_types.h"
+#include "core/file_sys/patch_manager.h"
 #include "core/loader/linker.h"
 #include "core/loader/loader.h"
 
 namespace Loader {
 
+constexpr u64 NSO_ARGUMENT_DATA_ALLOCATION_SIZE = 0x9000;
+
+struct NSOArgumentHeader {
+    u32_le allocated_size;
+    u32_le actual_size;
+    INSERT_PADDING_BYTES(0x18);
+};
+static_assert(sizeof(NSOArgumentHeader) == 0x20, "NSOArgumentHeader has incorrect size.");
+
 /// Loads an NSO file
 class AppLoader_NSO final : public AppLoader, Linker {
 public:
@@ -26,7 +37,9 @@ public:
         return IdentifyType(file);
     }
 
-    static VAddr LoadModule(FileSys::VirtualFile file, VAddr load_base);
+    static std::optional<VAddr> LoadModule(const FileSys::VfsFile& file, VAddr load_base,
+                                           bool should_pass_arguments,
+                                           std::optional<FileSys::PatchManager> pm = {});
 
     ResultStatus Load(Kernel::Process& process) override;
 };

src/core/loader/nsp.cpp

@@ -10,8 +10,10 @@
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/patch_manager.h"
+#include "core/file_sys/registered_cache.h"
 #include "core/file_sys/submission_package.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/deconstructed_rom_directory.h"
 #include "core/loader/nca.h"
 #include "core/loader/nsp.h"
@@ -33,7 +35,7 @@ AppLoader_NSP::AppLoader_NSP(FileSys::VirtualFile file)
         return;
 
     std::tie(nacp_file, icon_file) =
-        FileSys::PatchManager(nsp->GetProgramTitleID()).ParseControlNCA(control_nca);
+        FileSys::PatchManager(nsp->GetProgramTitleID()).ParseControlNCA(*control_nca);
 }
 
 AppLoader_NSP::~AppLoader_NSP() = default;
@@ -91,13 +93,39 @@ ResultStatus AppLoader_NSP::Load(Kernel::Process& process) {
     if (result != ResultStatus::Success)
         return result;
 
+    FileSys::VirtualFile update_raw;
+    if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr)
+        Service::FileSystem::SetPackedUpdate(std::move(update_raw));
+
     is_loaded = true;
 
     return ResultStatus::Success;
 }
 
-ResultStatus AppLoader_NSP::ReadRomFS(FileSys::VirtualFile& dir) {
-    return secondary_loader->ReadRomFS(dir);
+ResultStatus AppLoader_NSP::ReadRomFS(FileSys::VirtualFile& file) {
+    return secondary_loader->ReadRomFS(file);
+}
+
+u64 AppLoader_NSP::ReadRomFSIVFCOffset() const {
+    return secondary_loader->ReadRomFSIVFCOffset();
+}
+
+ResultStatus AppLoader_NSP::ReadUpdateRaw(FileSys::VirtualFile& file) {
+    if (nsp->IsExtractedType())
+        return ResultStatus::ErrorNoPackedUpdate;
+
+    const auto read =
+        nsp->GetNCAFile(FileSys::GetUpdateTitleID(title_id), FileSys::ContentRecordType::Program);
+
+    if (read == nullptr)
+        return ResultStatus::ErrorNoPackedUpdate;
+    const auto nca_test = std::make_shared<FileSys::NCA>(read);
+
+    if (nca_test->GetStatus() != ResultStatus::ErrorMissingBKTRBaseRomFS)
+        return nca_test->GetStatus();
+
+    file = read;
+    return ResultStatus::Success;
 }
 
 ResultStatus AppLoader_NSP::ReadProgramId(u64& out_program_id) {

src/core/loader/nsp.h

@@ -37,7 +37,9 @@ public:
 
     ResultStatus Load(Kernel::Process& process) override;
 
-    ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
+    ResultStatus ReadRomFS(FileSys::VirtualFile& file) override;
+    u64 ReadRomFSIVFCOffset() const override;
+    ResultStatus ReadUpdateRaw(FileSys::VirtualFile& file) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
@@ -47,7 +49,7 @@ private:
     std::unique_ptr<AppLoader> secondary_loader;
 
     FileSys::VirtualFile icon_file;
-    std::shared_ptr<FileSys::NACP> nacp_file;
+    std::unique_ptr<FileSys::NACP> nacp_file;
     u64 title_id;
 };
 

src/core/loader/xci.cpp

@@ -9,7 +9,11 @@
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/file_sys/romfs.h"
+#include "core/file_sys/submission_package.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/nca.h"
 #include "core/loader/xci.h"
 
@@ -26,7 +30,7 @@ AppLoader_XCI::AppLoader_XCI(FileSys::VirtualFile file)
         return;
 
     std::tie(nacp_file, icon_file) =
-        FileSys::PatchManager(xci->GetProgramTitleID()).ParseControlNCA(control_nca);
+        FileSys::PatchManager(xci->GetProgramTitleID()).ParseControlNCA(*control_nca);
 }
 
 AppLoader_XCI::~AppLoader_XCI() = default;
@@ -63,13 +67,41 @@ ResultStatus AppLoader_XCI::Load(Kernel::Process& process) {
     if (result != ResultStatus::Success)
         return result;
 
+    FileSys::VirtualFile update_raw;
+    if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr)
+        Service::FileSystem::SetPackedUpdate(std::move(update_raw));
+
     is_loaded = true;
 
     return ResultStatus::Success;
 }
 
-ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& dir) {
-    return nca_loader->ReadRomFS(dir);
+ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& file) {
+    return nca_loader->ReadRomFS(file);
+}
+
+u64 AppLoader_XCI::ReadRomFSIVFCOffset() const {
+    return nca_loader->ReadRomFSIVFCOffset();
+}
+
+ResultStatus AppLoader_XCI::ReadUpdateRaw(FileSys::VirtualFile& file) {
+    u64 program_id{};
+    nca_loader->ReadProgramId(program_id);
+    if (program_id == 0)
+        return ResultStatus::ErrorXCIMissingProgramNCA;
+
+    const auto read = xci->GetSecurePartitionNSP()->GetNCAFile(
+        FileSys::GetUpdateTitleID(program_id), FileSys::ContentRecordType::Program);
+
+    if (read == nullptr)
+        return ResultStatus::ErrorNoPackedUpdate;
+    const auto nca_test = std::make_shared<FileSys::NCA>(read);
+
+    if (nca_test->GetStatus() != ResultStatus::ErrorMissingBKTRBaseRomFS)
+        return nca_test->GetStatus();
+
+    file = read;
+    return ResultStatus::Success;
 }
 
 ResultStatus AppLoader_XCI::ReadProgramId(u64& out_program_id) {

src/core/loader/xci.h

@@ -37,7 +37,9 @@ public:
 
     ResultStatus Load(Kernel::Process& process) override;
 
-    ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
+    ResultStatus ReadRomFS(FileSys::VirtualFile& file) override;
+    u64 ReadRomFSIVFCOffset() const override;
+    ResultStatus ReadUpdateRaw(FileSys::VirtualFile& file) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
@@ -47,7 +49,7 @@ private:
     std::unique_ptr<AppLoader_NCA> nca_loader;
 
     FileSys::VirtualFile icon_file;
-    std::shared_ptr<FileSys::NACP> nacp_file;
+    std::unique_ptr<FileSys::NACP> nacp_file;
 };
 
 } // namespace Loader

src/core/settings.h

@@ -155,6 +155,7 @@ struct Values {
     // Debugging
     bool use_gdbstub;
     u16 gdbstub_port;
+    std::string program_args;
 
     // WebService
     bool enable_telemetry;

src/core/telemetry_session.cpp

@@ -2,12 +2,16 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common/assert.h"
-#include "common/common_types.h"
-#include "common/file_util.h"
+#include <array>
 
 #include <mbedtls/ctr_drbg.h>
 #include <mbedtls/entropy.h>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "common/file_util.h"
+#include "common/logging/log.h"
+
 #include "core/core.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
@@ -28,11 +32,11 @@ static u64 GenerateTelemetryId() {
     mbedtls_entropy_context entropy;
     mbedtls_entropy_init(&entropy);
     mbedtls_ctr_drbg_context ctr_drbg;
-    std::string personalization = "yuzu Telemetry ID";
+    constexpr std::array<char, 18> personalization{{"yuzu Telemetry ID"}};
 
     mbedtls_ctr_drbg_init(&ctr_drbg);
     ASSERT(mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
-                                 reinterpret_cast<const unsigned char*>(personalization.c_str()),
+                                 reinterpret_cast<const unsigned char*>(personalization.data()),
                                  personalization.size()) == 0);
     ASSERT(mbedtls_ctr_drbg_random(&ctr_drbg, reinterpret_cast<unsigned char*>(&telemetry_id),
                                    sizeof(u64)) == 0);

src/core/telemetry_session.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <string>
 #include "common/telemetry.h"
 
 namespace Core {
@@ -30,8 +31,6 @@ public:
         field_collection.AddField(type, name, std::move(value));
     }
 
-    static void FinalizeAsyncJob();
-
 private:
     Telemetry::FieldCollection field_collection; ///< Tracks all added fields for the session
     std::unique_ptr<Telemetry::VisitorInterface> backend; ///< Backend interface that logs fields
@@ -53,7 +52,6 @@ u64 RegenerateTelemetryId();
  * Verifies the username and token.
  * @param username yuzu username to use for authentication.
  * @param token yuzu token to use for authentication.
- * @param func A function that gets exectued when the verification is finished
  * @returns Future with bool indicating whether the verification succeeded
  */
 bool VerifyLogin(const std::string& username, const std::string& token);

src/tests/core/arm/arm_test_common.cpp

@@ -15,7 +15,8 @@ namespace ArmTests {
 TestEnvironment::TestEnvironment(bool mutable_memory_)
     : mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
 
-    Core::CurrentProcess() = Kernel::Process::Create(kernel, "");
+    auto process = Kernel::Process::Create(kernel, "");
+    kernel.MakeCurrentProcess(process.get());
     page_table = &Core::CurrentProcess()->VMManager().page_table;
 
     std::fill(page_table->pointers.begin(), page_table->pointers.end(), nullptr);

src/video_core/CMakeLists.txt

@@ -27,6 +27,8 @@ add_library(video_core STATIC
     renderer_base.h
     renderer_opengl/gl_buffer_cache.cpp
     renderer_opengl/gl_buffer_cache.h
+    renderer_opengl/gl_primitive_assembler.cpp
+    renderer_opengl/gl_primitive_assembler.h
     renderer_opengl/gl_rasterizer.cpp
     renderer_opengl/gl_rasterizer.h
     renderer_opengl/gl_rasterizer_cache.cpp

src/video_core/engines/fermi_2d.cpp

@@ -4,11 +4,13 @@
 
 #include "core/memory.h"
 #include "video_core/engines/fermi_2d.h"
+#include "video_core/rasterizer_interface.h"
 #include "video_core/textures/decoders.h"
 
 namespace Tegra::Engines {
 
-Fermi2D::Fermi2D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
+Fermi2D::Fermi2D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager)
+    : memory_manager(memory_manager), rasterizer{rasterizer} {}
 
 void Fermi2D::WriteReg(u32 method, u32 value) {
     ASSERT_MSG(method < Regs::NUM_REGS,
@@ -44,27 +46,31 @@ void Fermi2D::HandleSurfaceCopy() {
     u32 src_bytes_per_pixel = RenderTargetBytesPerPixel(regs.src.format);
     u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format);
 
-    if (regs.src.linear == regs.dst.linear) {
-        // If the input layout and the output layout are the same, just perform a raw copy.
-        ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
-        Memory::CopyBlock(dest_cpu, source_cpu,
-                          src_bytes_per_pixel * regs.dst.width * regs.dst.height);
-        return;
-    }
+    if (!rasterizer.AccelerateSurfaceCopy(regs.src, regs.dst)) {
+        // TODO(bunnei): The below implementation currently will not get hit, as
+        // AccelerateSurfaceCopy tries to always copy and will always return success. This should be
+        // changed once we properly support flushing.
 
-    u8* src_buffer = Memory::GetPointer(source_cpu);
-    u8* dst_buffer = Memory::GetPointer(dest_cpu);
-
-    if (!regs.src.linear && regs.dst.linear) {
-        // If the input is tiled and the output is linear, deswizzle the input and copy it over.
-        Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
-                                  dst_bytes_per_pixel, src_buffer, dst_buffer, true,
-                                  regs.src.BlockHeight());
-    } else {
-        // If the input is linear and the output is tiled, swizzle the input and copy it over.
-        Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
-                                  dst_bytes_per_pixel, dst_buffer, src_buffer, false,
-                                  regs.dst.BlockHeight());
+        if (regs.src.linear == regs.dst.linear) {
+            // If the input layout and the output layout are the same, just perform a raw copy.
+            ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
+            Memory::CopyBlock(dest_cpu, source_cpu,
+                              src_bytes_per_pixel * regs.dst.width * regs.dst.height);
+            return;
+        }
+        u8* src_buffer = Memory::GetPointer(source_cpu);
+        u8* dst_buffer = Memory::GetPointer(dest_cpu);
+        if (!regs.src.linear && regs.dst.linear) {
+            // If the input is tiled and the output is linear, deswizzle the input and copy it over.
+            Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
+                                      dst_bytes_per_pixel, src_buffer, dst_buffer, true,
+                                      regs.src.BlockHeight());
+        } else {
+            // If the input is linear and the output is tiled, swizzle the input and copy it over.
+            Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
+                                      dst_bytes_per_pixel, dst_buffer, src_buffer, false,
+                                      regs.dst.BlockHeight());
+        }
     }
 }
 

src/video_core/engines/fermi_2d.h

@@ -12,6 +12,10 @@
 #include "video_core/gpu.h"
 #include "video_core/memory_manager.h"
 
+namespace VideoCore {
+class RasterizerInterface;
+}
+
 namespace Tegra::Engines {
 
 #define FERMI2D_REG_INDEX(field_name)                                                              \
@@ -19,7 +23,7 @@ namespace Tegra::Engines {
 
 class Fermi2D final {
 public:
-    explicit Fermi2D(MemoryManager& memory_manager);
+    explicit Fermi2D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager);
     ~Fermi2D() = default;
 
     /// Write the value to the register identified by method.
@@ -32,9 +36,9 @@ public:
             RenderTargetFormat format;
             BitField<0, 1, u32> linear;
             union {
-                BitField<0, 4, u32> block_depth;
+                BitField<0, 4, u32> block_width;
                 BitField<4, 4, u32> block_height;
-                BitField<8, 4, u32> block_width;
+                BitField<8, 4, u32> block_depth;
             };
             u32 depth;
             u32 layer;
@@ -49,10 +53,20 @@ public:
                                              address_low);
             }
 
+            u32 BlockWidth() const {
+                // The block width is stored in log2 format.
+                return 1 << block_width;
+            }
+
             u32 BlockHeight() const {
                 // The block height is stored in log2 format.
                 return 1 << block_height;
             }
+
+            u32 BlockDepth() const {
+                // The block depth is stored in log2 format.
+                return 1 << block_depth;
+            }
         };
         static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
 
@@ -94,6 +108,8 @@ public:
     MemoryManager& memory_manager;
 
 private:
+    VideoCore::RasterizerInterface& rasterizer;
+
     /// Performs the copy from the source surface to the destination surface as configured in the
     /// registers.
     void HandleSurfaceCopy();

src/video_core/engines/maxwell_3d.h

@@ -347,6 +347,16 @@ public:
             DecrWrap = 8,
         };
 
+        enum class MemoryLayout : u32 {
+            Linear = 0,
+            BlockLinear = 1,
+        };
+
+        enum class InvMemoryLayout : u32 {
+            BlockLinear = 0,
+            Linear = 1,
+        };
+
         struct Cull {
             enum class FrontFace : u32 {
                 ClockWise = 0x0900,
@@ -432,7 +442,12 @@ public:
             u32 width;
             u32 height;
             Tegra::RenderTargetFormat format;
-            u32 block_dimensions;
+            union {
+                BitField<0, 3, u32> block_width;
+                BitField<4, 3, u32> block_height;
+                BitField<8, 3, u32> block_depth;
+                BitField<12, 1, InvMemoryLayout> type;
+            } memory_layout;
             u32 array_mode;
             u32 layer_stride;
             u32 base_layer;
@@ -532,7 +547,21 @@ public:
                 INSERT_PADDING_WORDS(0x3);
                 s32 clear_stencil;
 
-                INSERT_PADDING_WORDS(0x6C);
+                INSERT_PADDING_WORDS(0x17);
+
+                struct {
+                    u32 enable;
+                    union {
+                        BitField<0, 16, u32> min_x;
+                        BitField<16, 16, u32> max_x;
+                    };
+                    union {
+                        BitField<0, 16, u32> min_y;
+                        BitField<16, 16, u32> max_y;
+                    };
+                } scissor_test;
+
+                INSERT_PADDING_WORDS(0x52);
 
                 s32 stencil_back_func_ref;
                 u32 stencil_back_mask;
@@ -548,7 +577,12 @@ public:
                     u32 address_high;
                     u32 address_low;
                     Tegra::DepthFormat format;
-                    u32 block_dimensions;
+                    union {
+                        BitField<0, 4, u32> block_width;
+                        BitField<4, 4, u32> block_height;
+                        BitField<8, 4, u32> block_depth;
+                        BitField<20, 1, InvMemoryLayout> type;
+                    } memory_layout;
                     u32 layer_stride;
 
                     GPUVAddr Address() const {
@@ -744,6 +778,12 @@ public:
                         return static_cast<GPUVAddr>((static_cast<GPUVAddr>(end_addr_high) << 32) |
                                                      end_addr_low);
                     }
+
+                    /// Adjust the index buffer offset so it points to the first desired index.
+                    GPUVAddr IndexStart() const {
+                        return StartAddress() + static_cast<size_t>(first) *
+                                                    static_cast<size_t>(FormatSizeInBytes());
+                    }
                 } index_array;
 
                 INSERT_PADDING_WORDS(0x7);
@@ -996,6 +1036,7 @@ ASSERT_REG_POSITION(vertex_buffer, 0x35D);
 ASSERT_REG_POSITION(clear_color[0], 0x360);
 ASSERT_REG_POSITION(clear_depth, 0x364);
 ASSERT_REG_POSITION(clear_stencil, 0x368);
+ASSERT_REG_POSITION(scissor_test, 0x380);
 ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
 ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
 ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);

src/video_core/engines/shader_bytecode.h

@@ -214,6 +214,18 @@ enum class IMinMaxExchange : u64 {
     XHi = 3,
 };
 
+enum class VmadType : u64 {
+    Size16_Low = 0,
+    Size16_High = 1,
+    Size32 = 2,
+    Invalid = 3,
+};
+
+enum class VmadShr : u64 {
+    Shr7 = 1,
+    Shr15 = 2,
+};
+
 enum class XmadMode : u64 {
     None = 0,
     CLo = 1,
@@ -314,6 +326,15 @@ enum class TextureMiscMode : u64 {
     PTP,
 };
 
+enum class IsberdMode : u64 {
+    None = 0,
+    Patch = 1,
+    Prim = 2,
+    Attr = 3,
+};
+
+enum class IsberdShift : u64 { None = 0, U16 = 1, B32 = 2 };
+
 enum class IpaInterpMode : u64 {
     Linear = 0,
     Perspective = 1,
@@ -340,6 +361,87 @@ struct IpaMode {
     }
 };
 
+enum class SystemVariable : u64 {
+    LaneId = 0x00,
+    VirtCfg = 0x02,
+    VirtId = 0x03,
+    Pm0 = 0x04,
+    Pm1 = 0x05,
+    Pm2 = 0x06,
+    Pm3 = 0x07,
+    Pm4 = 0x08,
+    Pm5 = 0x09,
+    Pm6 = 0x0a,
+    Pm7 = 0x0b,
+    OrderingTicket = 0x0f,
+    PrimType = 0x10,
+    InvocationId = 0x11,
+    Ydirection = 0x12,
+    ThreadKill = 0x13,
+    ShaderType = 0x14,
+    DirectBeWriteAddressLow = 0x15,
+    DirectBeWriteAddressHigh = 0x16,
+    DirectBeWriteEnabled = 0x17,
+    MachineId0 = 0x18,
+    MachineId1 = 0x19,
+    MachineId2 = 0x1a,
+    MachineId3 = 0x1b,
+    Affinity = 0x1c,
+    InvocationInfo = 0x1d,
+    WscaleFactorXY = 0x1e,
+    WscaleFactorZ = 0x1f,
+    Tid = 0x20,
+    TidX = 0x21,
+    TidY = 0x22,
+    TidZ = 0x23,
+    CtaParam = 0x24,
+    CtaIdX = 0x25,
+    CtaIdY = 0x26,
+    CtaIdZ = 0x27,
+    NtId = 0x28,
+    CirQueueIncrMinusOne = 0x29,
+    Nlatc = 0x2a,
+    SmSpaVersion = 0x2c,
+    MultiPassShaderInfo = 0x2d,
+    LwinHi = 0x2e,
+    SwinHi = 0x2f,
+    SwinLo = 0x30,
+    SwinSz = 0x31,
+    SmemSz = 0x32,
+    SmemBanks = 0x33,
+    LwinLo = 0x34,
+    LwinSz = 0x35,
+    LmemLosz = 0x36,
+    LmemHioff = 0x37,
+    EqMask = 0x38,
+    LtMask = 0x39,
+    LeMask = 0x3a,
+    GtMask = 0x3b,
+    GeMask = 0x3c,
+    RegAlloc = 0x3d,
+    CtxAddr = 0x3e,      // .fmask = F_SM50
+    BarrierAlloc = 0x3e, // .fmask = F_SM60
+    GlobalErrorStatus = 0x40,
+    WarpErrorStatus = 0x42,
+    WarpErrorStatusClear = 0x43,
+    PmHi0 = 0x48,
+    PmHi1 = 0x49,
+    PmHi2 = 0x4a,
+    PmHi3 = 0x4b,
+    PmHi4 = 0x4c,
+    PmHi5 = 0x4d,
+    PmHi6 = 0x4e,
+    PmHi7 = 0x4f,
+    ClockLo = 0x50,
+    ClockHi = 0x51,
+    GlobalTimerLo = 0x52,
+    GlobalTimerHi = 0x53,
+    HwTaskId = 0x60,
+    CircularQueueEntryIndex = 0x61,
+    CircularQueueEntryAddressLow = 0x62,
+    CircularQueueEntryAddressHigh = 0x63,
+};
+
 union Instruction {
     Instruction& operator=(const Instruction& instr) {
         value = instr.value;
@@ -362,6 +464,7 @@ union Instruction {
     BitField<48, 16, u64> opcode;
 
     union {
+        BitField<20, 16, u64> imm20_16;
         BitField<20, 19, u64> imm20_19;
         BitField<20, 32, s64> imm20_32;
         BitField<45, 1, u64> negate_b;
@@ -403,6 +506,10 @@ union Instruction {
             }
         } lop3;
 
+        u16 GetImm20_16() const {
+            return static_cast<u16>(imm20_16);
+        }
+
         u32 GetImm20_19() const {
             u32 imm{static_cast<u32>(imm20_19)};
             imm <<= 12;
@@ -914,6 +1021,35 @@ union Instruction {
         }
     } bra;
 
+    union {
+        BitField<39, 1, u64> emit; // EmitVertex
+        BitField<40, 1, u64> cut;  // EndPrimitive
+    } out;
+
+    union {
+        BitField<31, 1, u64> skew;
+        BitField<32, 1, u64> o;
+        BitField<33, 2, IsberdMode> mode;
+        BitField<47, 2, IsberdShift> shift;
+    } isberd;
+
+    union {
+        BitField<48, 1, u64> signed_a;
+        BitField<38, 1, u64> is_byte_chunk_a;
+        BitField<36, 2, VmadType> type_a;
+        BitField<36, 2, u64> byte_height_a;
+
+        BitField<49, 1, u64> signed_b;
+        BitField<50, 1, u64> use_register_b;
+        BitField<30, 1, u64> is_byte_chunk_b;
+        BitField<28, 2, VmadType> type_b;
+        BitField<28, 2, u64> byte_height_b;
+
+        BitField<51, 2, VmadShr> shr;
+        BitField<55, 1, u64> saturate; // Saturates the result (a * b + c)
+        BitField<47, 1, u64> cc;
+    } vmad;
+
     union {
         BitField<20, 16, u64> imm20_16;
         BitField<36, 1, u64> product_shift_left;
@@ -936,6 +1072,10 @@ union Instruction {
         BitField<36, 5, u64> index;
     } cbuf36;
 
+    // Unsure about the size of this one.
+    // It's always used with a gpr0, so any size should be fine.
+    BitField<20, 8, SystemVariable> sys20;
+
     BitField<47, 1, u64> generates_cc;
     BitField<61, 1, u64> is_b_imm;
     BitField<60, 1, u64> is_b_gpr;
@@ -975,6 +1115,9 @@ public:
         TMML,   // Texture Mip Map Level
         EXIT,
         IPA,
+        OUT_R, // Emit vertex/primitive
+        ISBERD,
+        VMAD,
         FFMA_IMM, // Fused Multiply and Add
         FFMA_CR,
         FFMA_RC,
@@ -1034,6 +1177,7 @@ public:
         MOV_C,
         MOV_R,
         MOV_IMM,
+        MOV_SYS,
         MOV32_IMM,
         SHL_C,
         SHL_R,
@@ -1209,6 +1353,9 @@ private:
             INST("1101111101011---", Id::TMML, Type::Memory, "TMML"),
             INST("111000110000----", Id::EXIT, Type::Trivial, "EXIT"),
             INST("11100000--------", Id::IPA, Type::Trivial, "IPA"),
+            INST("1111101111100---", Id::OUT_R, Type::Trivial, "OUT_R"),
+            INST("1110111111010---", Id::ISBERD, Type::Trivial, "ISBERD"),
+            INST("01011111--------", Id::VMAD, Type::Trivial, "VMAD"),
             INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"),
             INST("010010011-------", Id::FFMA_CR, Type::Ffma, "FFMA_CR"),
             INST("010100011-------", Id::FFMA_RC, Type::Ffma, "FFMA_RC"),
@@ -1255,6 +1402,7 @@ private:
             INST("0100110010011---", Id::MOV_C, Type::Arithmetic, "MOV_C"),
             INST("0101110010011---", Id::MOV_R, Type::Arithmetic, "MOV_R"),
             INST("0011100-10011---", Id::MOV_IMM, Type::Arithmetic, "MOV_IMM"),
+            INST("1111000011001---", Id::MOV_SYS, Type::Trivial, "MOV_SYS"),
             INST("000000010000----", Id::MOV32_IMM, Type::ArithmeticImmediate, "MOV32_IMM"),
             INST("0100110001100---", Id::FMNMX_C, Type::Arithmetic, "FMNMX_C"),
             INST("0101110001100---", Id::FMNMX_R, Type::Arithmetic, "FMNMX_R"),

src/video_core/gpu.cpp

@@ -25,7 +25,7 @@ u32 FramebufferConfig::BytesPerPixel(PixelFormat format) {
 GPU::GPU(VideoCore::RasterizerInterface& rasterizer) {
     memory_manager = std::make_unique<Tegra::MemoryManager>();
     maxwell_3d = std::make_unique<Engines::Maxwell3D>(rasterizer, *memory_manager);
-    fermi_2d = std::make_unique<Engines::Fermi2D>(*memory_manager);
+    fermi_2d = std::make_unique<Engines::Fermi2D>(rasterizer, *memory_manager);
     maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
     maxwell_dma = std::make_unique<Engines::MaxwellDMA>(*memory_manager);
     kepler_memory = std::make_unique<Engines::KeplerMemory>(*memory_manager);

src/video_core/rasterizer_interface.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include "common/common_types.h"
+#include "video_core/engines/fermi_2d.h"
 #include "video_core/gpu.h"
 #include "video_core/memory_manager.h"
 
@@ -33,13 +34,9 @@ public:
     /// and invalidated
     virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
 
-    /// Attempt to use a faster method to perform a display transfer with is_texture_copy = 0
-    virtual bool AccelerateDisplayTransfer(const void* config) {
-        return false;
-    }
-
-    /// Attempt to use a faster method to perform a display transfer with is_texture_copy = 1
-    virtual bool AccelerateTextureCopy(const void* config) {
+    /// Attempt to use a faster method to perform a surface copy
+    virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
+                                       const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
         return false;
     }
 

src/video_core/renderer_opengl/gl_buffer_cache.cpp

@@ -34,7 +34,7 @@ GLintptr OGLBufferCache::UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size
     }
 
     AlignBuffer(alignment);
-    GLintptr uploaded_offset = buffer_offset;
+    const GLintptr uploaded_offset = buffer_offset;
 
     Memory::ReadBlock(*cpu_addr, buffer_ptr, size);
 
@@ -57,13 +57,23 @@ GLintptr OGLBufferCache::UploadHostMemory(const void* raw_pointer, std::size_t s
                                           std::size_t alignment) {
     AlignBuffer(alignment);
     std::memcpy(buffer_ptr, raw_pointer, size);
-    GLintptr uploaded_offset = buffer_offset;
+    const GLintptr uploaded_offset = buffer_offset;
 
     buffer_ptr += size;
     buffer_offset += size;
     return uploaded_offset;
 }
 
+std::tuple<u8*, GLintptr> OGLBufferCache::ReserveMemory(std::size_t size, std::size_t alignment) {
+    AlignBuffer(alignment);
+    u8* const uploaded_ptr = buffer_ptr;
+    const GLintptr uploaded_offset = buffer_offset;
+
+    buffer_ptr += size;
+    buffer_offset += size;
+    return std::make_tuple(uploaded_ptr, uploaded_offset);
+}
+
 void OGLBufferCache::Map(std::size_t max_size) {
     bool invalidate;
     std::tie(buffer_ptr, buffer_offset_base, invalidate) =
@@ -74,6 +84,7 @@ void OGLBufferCache::Map(std::size_t max_size) {
         InvalidateAll();
     }
 }
+
 void OGLBufferCache::Unmap() {
     stream_buffer.Unmap(buffer_offset - buffer_offset_base);
 }
@@ -84,7 +95,7 @@ GLuint OGLBufferCache::GetHandle() const {
 
 void OGLBufferCache::AlignBuffer(std::size_t alignment) {
     // Align the offset, not the mapped pointer
-    GLintptr offset_aligned =
+    const GLintptr offset_aligned =
         static_cast<GLintptr>(Common::AlignUp(static_cast<std::size_t>(buffer_offset), alignment));
     buffer_ptr += offset_aligned - buffer_offset;
     buffer_offset = offset_aligned;

src/video_core/renderer_opengl/gl_buffer_cache.h

@@ -6,6 +6,7 @@
 
 #include <cstddef>
 #include <memory>
+#include <tuple>
 
 #include "common/common_types.h"
 #include "video_core/rasterizer_cache.h"
@@ -33,11 +34,17 @@ class OGLBufferCache final : public RasterizerCache<std::shared_ptr<CachedBuffer
 public:
     explicit OGLBufferCache(std::size_t size);
 
+    /// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
+    /// allocated.
     GLintptr UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
                           bool cache = true);
 
+    /// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
     GLintptr UploadHostMemory(const void* raw_pointer, std::size_t size, std::size_t alignment = 4);
 
+    /// Reserves memory to be used by host's CPU. Returns mapped address and offset.
+    std::tuple<u8*, GLintptr> ReserveMemory(std::size_t size, std::size_t alignment = 4);
+
     void Map(std::size_t max_size);
     void Unmap();
 

src/video_core/renderer_opengl/gl_primitive_assembler.cpp

@@ -0,0 +1,64 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <array>
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "core/memory.h"
+#include "video_core/renderer_opengl/gl_buffer_cache.h"
+#include "video_core/renderer_opengl/gl_primitive_assembler.h"
+
+namespace OpenGL {
+
+constexpr u32 TRIANGLES_PER_QUAD = 6;
+constexpr std::array<u32, TRIANGLES_PER_QUAD> QUAD_MAP = {0, 1, 2, 0, 2, 3};
+
+PrimitiveAssembler::PrimitiveAssembler(OGLBufferCache& buffer_cache) : buffer_cache(buffer_cache) {}
+
+PrimitiveAssembler::~PrimitiveAssembler() = default;
+
+std::size_t PrimitiveAssembler::CalculateQuadSize(u32 count) const {
+    ASSERT_MSG(count % 4 == 0, "Quad count is expected to be a multiple of 4");
+    return (count / 4) * TRIANGLES_PER_QUAD * sizeof(GLuint);
+}
+
+GLintptr PrimitiveAssembler::MakeQuadArray(u32 first, u32 count) {
+    const std::size_t size{CalculateQuadSize(count)};
+    auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(size);
+
+    for (u32 primitive = 0; primitive < count / 4; ++primitive) {
+        for (u32 i = 0; i < TRIANGLES_PER_QUAD; ++i) {
+            const u32 index = first + primitive * 4 + QUAD_MAP[i];
+            std::memcpy(dst_pointer, &index, sizeof(index));
+            dst_pointer += sizeof(index);
+        }
+    }
+
+    return index_offset;
+}
+
+GLintptr PrimitiveAssembler::MakeQuadIndexed(Tegra::GPUVAddr gpu_addr, std::size_t index_size,
+                                             u32 count) {
+    const std::size_t map_size{CalculateQuadSize(count)};
+    auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(map_size);
+
+    auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager();
+    const boost::optional<VAddr> cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr)};
+    const u8* source{Memory::GetPointer(*cpu_addr)};
+
+    for (u32 primitive = 0; primitive < count / 4; ++primitive) {
+        for (std::size_t i = 0; i < TRIANGLES_PER_QUAD; ++i) {
+            const u32 index = primitive * 4 + QUAD_MAP[i];
+            const u8* src_offset = source + (index * index_size);
+
+            std::memcpy(dst_pointer, src_offset, index_size);
+            dst_pointer += index_size;
+        }
+    }
+
+    return index_offset;
+}
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_primitive_assembler.h

@@ -0,0 +1,33 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include <glad/glad.h>
+
+#include "common/common_types.h"
+#include "video_core/memory_manager.h"
+
+namespace OpenGL {
+
+class OGLBufferCache;
+
+class PrimitiveAssembler {
+public:
+    explicit PrimitiveAssembler(OGLBufferCache& buffer_cache);
+    ~PrimitiveAssembler();
+
+    /// Calculates the size required by MakeQuadArray and MakeQuadIndexed.
+    std::size_t CalculateQuadSize(u32 count) const;
+
+    GLintptr MakeQuadArray(u32 first, u32 count);
+
+    GLintptr MakeQuadIndexed(Tegra::GPUVAddr gpu_addr, std::size_t index_size, u32 count);
+
+private:
+    OGLBufferCache& buffer_cache;
+};
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -42,6 +42,41 @@ MICROPROFILE_DEFINE(OpenGL_Framebuffer, "OpenGL", "Framebuffer Setup", MP_RGB(12
 MICROPROFILE_DEFINE(OpenGL_Drawing, "OpenGL", "Drawing", MP_RGB(128, 128, 192));
 MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(128, 128, 192));
 MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100, 255, 100));
+MICROPROFILE_DEFINE(OpenGL_PrimitiveAssembly, "OpenGL", "Prim Asmbl", MP_RGB(255, 100, 100));
+
+struct DrawParameters {
+    GLenum primitive_mode;
+    GLsizei count;
+    GLint current_instance;
+    bool use_indexed;
+
+    GLint vertex_first;
+
+    GLenum index_format;
+    GLint base_vertex;
+    GLintptr index_buffer_offset;
+
+    void DispatchDraw() const {
+        if (use_indexed) {
+            const auto index_buffer_ptr = reinterpret_cast<const void*>(index_buffer_offset);
+            if (current_instance > 0) {
+                glDrawElementsInstancedBaseVertexBaseInstance(primitive_mode, count, index_format,
+                                                              index_buffer_ptr, 1, base_vertex,
+                                                              current_instance);
+            } else {
+                glDrawElementsBaseVertex(primitive_mode, count, index_format, index_buffer_ptr,
+                                         base_vertex);
+            }
+        } else {
+            if (current_instance > 0) {
+                glDrawArraysInstancedBaseInstance(primitive_mode, vertex_first, count, 1,
+                                                  current_instance);
+            } else {
+                glDrawArrays(primitive_mode, vertex_first, count);
+            }
+        }
+    }
+};
 
 RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& window, ScreenInfo& info)
     : emu_window{window}, screen_info{info}, buffer_cache(STREAM_BUFFER_SIZE) {
@@ -172,7 +207,55 @@ void RasterizerOpenGL::SetupVertexArrays() {
     }
 }
 
-void RasterizerOpenGL::SetupShaders() {
+DrawParameters RasterizerOpenGL::SetupDraw() {
+    const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
+    const auto& regs = gpu.regs;
+    const bool is_indexed = accelerate_draw == AccelDraw::Indexed;
+
+    DrawParameters params{};
+    params.current_instance = gpu.state.current_instance;
+
+    if (regs.draw.topology == Maxwell::PrimitiveTopology::Quads) {
+        MICROPROFILE_SCOPE(OpenGL_PrimitiveAssembly);
+
+        params.use_indexed = true;
+        params.primitive_mode = GL_TRIANGLES;
+
+        if (is_indexed) {
+            params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
+            params.count = (regs.index_array.count / 4) * 6;
+            params.index_buffer_offset = primitive_assembler.MakeQuadIndexed(
+                regs.index_array.IndexStart(), regs.index_array.FormatSizeInBytes(),
+                regs.index_array.count);
+            params.base_vertex = static_cast<GLint>(regs.vb_element_base);
+        } else {
+            // MakeQuadArray always generates u32 indexes
+            params.index_format = GL_UNSIGNED_INT;
+            params.count = (regs.vertex_buffer.count / 4) * 6;
+            params.index_buffer_offset =
+                primitive_assembler.MakeQuadArray(regs.vertex_buffer.first, params.count);
+        }
+        return params;
+    }
+
+    params.use_indexed = is_indexed;
+    params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
+
+    if (is_indexed) {
+        MICROPROFILE_SCOPE(OpenGL_Index);
+        params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
+        params.count = regs.index_array.count;
+        params.index_buffer_offset =
+            buffer_cache.UploadMemory(regs.index_array.IndexStart(), CalculateIndexBufferSize());
+        params.base_vertex = static_cast<GLint>(regs.vb_element_base);
+    } else {
+        params.count = regs.vertex_buffer.count;
+        params.vertex_first = regs.vertex_buffer.first;
+    }
+    return params;
+}
+
+void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
     MICROPROFILE_SCOPE(OpenGL_Shader);
     const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
 
@@ -187,6 +270,11 @@ void RasterizerOpenGL::SetupShaders() {
 
         // Skip stages that are not enabled
         if (!gpu.regs.IsShaderConfigEnabled(index)) {
+            switch (program) {
+            case Maxwell::ShaderProgram::Geometry:
+                shader_program_manager->UseTrivialGeometryShader();
+                break;
+            }
             continue;
         }
 
@@ -205,11 +293,18 @@ void RasterizerOpenGL::SetupShaders() {
         switch (program) {
         case Maxwell::ShaderProgram::VertexA:
         case Maxwell::ShaderProgram::VertexB: {
-            shader_program_manager->UseProgrammableVertexShader(shader->GetProgramHandle());
+            shader_program_manager->UseProgrammableVertexShader(
+                shader->GetProgramHandle(primitive_mode));
+            break;
+        }
+        case Maxwell::ShaderProgram::Geometry: {
+            shader_program_manager->UseProgrammableGeometryShader(
+                shader->GetProgramHandle(primitive_mode));
             break;
         }
         case Maxwell::ShaderProgram::Fragment: {
-            shader_program_manager->UseProgrammableFragmentShader(shader->GetProgramHandle());
+            shader_program_manager->UseProgrammableFragmentShader(
+                shader->GetProgramHandle(primitive_mode));
             break;
         }
         default:
@@ -219,12 +314,13 @@ void RasterizerOpenGL::SetupShaders() {
         }
 
         // Configure the const buffers for this shader stage.
-        current_constbuffer_bindpoint = SetupConstBuffers(static_cast<Maxwell::ShaderStage>(stage),
-                                                          shader, current_constbuffer_bindpoint);
+        current_constbuffer_bindpoint =
+            SetupConstBuffers(static_cast<Maxwell::ShaderStage>(stage), shader, primitive_mode,
+                              current_constbuffer_bindpoint);
 
         // Configure the textures for this shader stage.
         current_texture_bindpoint = SetupTextures(static_cast<Maxwell::ShaderStage>(stage), shader,
-                                                  current_texture_bindpoint);
+                                                  primitive_mode, current_texture_bindpoint);
 
         // When VertexA is enabled, we have dual vertex shaders
         if (program == Maxwell::ShaderProgram::VertexA) {
@@ -234,8 +330,6 @@ void RasterizerOpenGL::SetupShaders() {
     }
 
     state.Apply();
-
-    shader_program_manager->UseTrivialGeometryShader();
 }
 
 std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
@@ -256,6 +350,13 @@ std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
     return size;
 }
 
+std::size_t RasterizerOpenGL::CalculateIndexBufferSize() const {
+    const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
+
+    return static_cast<std::size_t>(regs.index_array.count) *
+           static_cast<std::size_t>(regs.index_array.FormatSizeInBytes());
+}
+
 bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) {
     accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays;
     DrawArrays();
@@ -451,6 +552,7 @@ void RasterizerOpenGL::DrawArrays() {
     SyncLogicOpState();
     SyncCullMode();
     SyncAlphaTest();
+    SyncScissorTest();
     SyncTransformFeedback();
     SyncPointState();
 
@@ -459,16 +561,23 @@ void RasterizerOpenGL::DrawArrays() {
 
     // Draw the vertex batch
     const bool is_indexed = accelerate_draw == AccelDraw::Indexed;
-    const u64 index_buffer_size{static_cast<u64>(regs.index_array.count) *
-                                static_cast<u64>(regs.index_array.FormatSizeInBytes())};
 
     state.draw.vertex_buffer = buffer_cache.GetHandle();
     state.Apply();
 
     std::size_t buffer_size = CalculateVertexArraysSize();
 
-    if (is_indexed) {
-        buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + index_buffer_size;
+    // Add space for index buffer (keeping in mind non-core primitives)
+    switch (regs.draw.topology) {
+    case Maxwell::PrimitiveTopology::Quads:
+        buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
+                      primitive_assembler.CalculateQuadSize(regs.vertex_buffer.count);
+        break;
+    default:
+        if (is_indexed) {
+            buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + CalculateIndexBufferSize();
+        }
+        break;
     }
 
     // Uniform space for the 5 shader stages
@@ -482,52 +591,16 @@ void RasterizerOpenGL::DrawArrays() {
     buffer_cache.Map(buffer_size);
 
     SetupVertexArrays();
-
-    // If indexed mode, copy the index buffer
-    GLintptr index_buffer_offset = 0;
-    if (is_indexed) {
-        MICROPROFILE_SCOPE(OpenGL_Index);
-
-        // Adjust the index buffer offset so it points to the first desired index.
-        auto index_start = regs.index_array.StartAddress();
-        index_start += static_cast<size_t>(regs.index_array.first) *
-                       static_cast<size_t>(regs.index_array.FormatSizeInBytes());
-
-        index_buffer_offset = buffer_cache.UploadMemory(index_start, index_buffer_size);
-    }
-
-    SetupShaders();
+    DrawParameters params = SetupDraw();
+    SetupShaders(params.primitive_mode);
 
     buffer_cache.Unmap();
 
     shader_program_manager->ApplyTo(state);
     state.Apply();
 
-    const GLenum primitive_mode{MaxwellToGL::PrimitiveTopology(regs.draw.topology)};
-    if (is_indexed) {
-        const GLint base_vertex{static_cast<GLint>(regs.vb_element_base)};
-
-        if (gpu.state.current_instance > 0) {
-            glDrawElementsInstancedBaseVertexBaseInstance(
-                primitive_mode, regs.index_array.count,
-                MaxwellToGL::IndexFormat(regs.index_array.format),
-                reinterpret_cast<const void*>(index_buffer_offset), 1, base_vertex,
-                gpu.state.current_instance);
-        } else {
-            glDrawElementsBaseVertex(primitive_mode, regs.index_array.count,
-                                     MaxwellToGL::IndexFormat(regs.index_array.format),
-                                     reinterpret_cast<const void*>(index_buffer_offset),
-                                     base_vertex);
-        }
-    } else {
-        if (gpu.state.current_instance > 0) {
-            glDrawArraysInstancedBaseInstance(primitive_mode, regs.vertex_buffer.first,
-                                              regs.vertex_buffer.count, 1,
-                                              gpu.state.current_instance);
-        } else {
-            glDrawArrays(primitive_mode, regs.vertex_buffer.first, regs.vertex_buffer.count);
-        }
-    }
+    // Execute draw call
+    params.DispatchDraw();
 
     // Disable scissor test
     state.scissor.enabled = false;
@@ -556,14 +629,10 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
     InvalidateRegion(addr, size);
 }
 
-bool RasterizerOpenGL::AccelerateDisplayTransfer(const void* config) {
+bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
+                                             const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
     MICROPROFILE_SCOPE(OpenGL_Blits);
-    UNREACHABLE();
-    return true;
-}
-
-bool RasterizerOpenGL::AccelerateTextureCopy(const void* config) {
-    UNREACHABLE();
+    res_cache.FermiCopySurface(src, dst);
     return true;
 }
 
@@ -601,10 +670,13 @@ void RasterizerOpenGL::SamplerInfo::Create() {
     sampler.Create();
     mag_filter = min_filter = Tegra::Texture::TextureFilter::Linear;
     wrap_u = wrap_v = wrap_p = Tegra::Texture::WrapMode::Wrap;
+    uses_depth_compare = false;
+    depth_compare_func = Tegra::Texture::DepthCompareFunc::Never;
 
     // default is GL_LINEAR_MIPMAP_LINEAR
     glSamplerParameteri(sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     // Other attributes have correct defaults
+    glSamplerParameteri(sampler.handle, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
 }
 
 void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntry& config) {
@@ -632,6 +704,21 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr
         glSamplerParameteri(s, GL_TEXTURE_WRAP_R, MaxwellToGL::WrapMode(wrap_p));
     }
 
+    if (uses_depth_compare != (config.depth_compare_enabled == 1)) {
+        uses_depth_compare = (config.depth_compare_enabled == 1);
+        if (uses_depth_compare) {
+            glSamplerParameteri(s, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
+        } else {
+            glSamplerParameteri(s, GL_TEXTURE_COMPARE_MODE, GL_NONE);
+        }
+    }
+
+    if (depth_compare_func != config.depth_compare_func) {
+        depth_compare_func = config.depth_compare_func;
+        glSamplerParameteri(s, GL_TEXTURE_COMPARE_FUNC,
+                            MaxwellToGL::DepthCompareFunc(depth_compare_func));
+    }
+
     if (wrap_u == Tegra::Texture::WrapMode::Border || wrap_v == Tegra::Texture::WrapMode::Border ||
         wrap_p == Tegra::Texture::WrapMode::Border) {
         const GLvec4 new_border_color = {{config.border_color_r, config.border_color_g,
@@ -644,7 +731,7 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr
 }
 
 u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shader,
-                                        u32 current_bindpoint) {
+                                        GLenum primitive_mode, u32 current_bindpoint) {
     MICROPROFILE_SCOPE(OpenGL_UBO);
     const auto& gpu = Core::System::GetInstance().GPU();
     const auto& maxwell3d = gpu.Maxwell3D();
@@ -696,7 +783,7 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad
             buffer.address, size, static_cast<std::size_t>(uniform_buffer_alignment));
 
         // Now configure the bindpoint of the buffer inside the shader
-        glUniformBlockBinding(shader->GetProgramHandle(),
+        glUniformBlockBinding(shader->GetProgramHandle(primitive_mode),
                               shader->GetProgramResourceIndex(used_buffer),
                               current_bindpoint + bindpoint);
 
@@ -712,7 +799,8 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad
     return current_bindpoint + static_cast<u32>(entries.size());
 }
 
-u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader, u32 current_unit) {
+u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
+                                    GLenum primitive_mode, u32 current_unit) {
     MICROPROFILE_SCOPE(OpenGL_Texture);
     const auto& gpu = Core::System::GetInstance().GPU();
     const auto& maxwell3d = gpu.Maxwell3D();
@@ -727,8 +815,8 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
 
         // Bind the uniform to the sampler.
 
-        glProgramUniform1i(shader->GetProgramHandle(), shader->GetUniformLocation(entry),
-                           current_bindpoint);
+        glProgramUniform1i(shader->GetProgramHandle(primitive_mode),
+                           shader->GetUniformLocation(entry), current_bindpoint);
 
         const auto texture = maxwell3d.GetStageTexture(entry.GetStage(), entry.GetOffset());
 
@@ -897,6 +985,22 @@ void RasterizerOpenGL::SyncAlphaTest() {
     }
 }
 
+void RasterizerOpenGL::SyncScissorTest() {
+    const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
+
+    state.scissor.enabled = (regs.scissor_test.enable != 0);
+    // TODO(Blinkhawk): Figure if the hardware supports scissor testing per viewport and how it's
+    // implemented.
+    if (regs.scissor_test.enable != 0) {
+        const u32 width = regs.scissor_test.max_x - regs.scissor_test.min_x;
+        const u32 height = regs.scissor_test.max_y - regs.scissor_test.min_y;
+        state.scissor.x = regs.scissor_test.min_x;
+        state.scissor.y = regs.scissor_test.min_y;
+        state.scissor.width = width;
+        state.scissor.height = height;
+    }
+}
+
 void RasterizerOpenGL::SyncTransformFeedback() {
     const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
 

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -23,6 +23,7 @@
 #include "video_core/rasterizer_cache.h"
 #include "video_core/rasterizer_interface.h"
 #include "video_core/renderer_opengl/gl_buffer_cache.h"
+#include "video_core/renderer_opengl/gl_primitive_assembler.h"
 #include "video_core/renderer_opengl/gl_rasterizer_cache.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
 #include "video_core/renderer_opengl/gl_shader_cache.h"
@@ -38,6 +39,7 @@ class EmuWindow;
 namespace OpenGL {
 
 struct ScreenInfo;
+struct DrawParameters;
 
 class RasterizerOpenGL : public VideoCore::RasterizerInterface {
 public:
@@ -50,8 +52,8 @@ public:
     void FlushRegion(VAddr addr, u64 size) override;
     void InvalidateRegion(VAddr addr, u64 size) override;
     void FlushAndInvalidateRegion(VAddr addr, u64 size) override;
-    bool AccelerateDisplayTransfer(const void* config) override;
-    bool AccelerateTextureCopy(const void* config) override;
+    bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
+                               const Tegra::Engines::Fermi2D::Regs::Surface& dst) override;
     bool AccelerateFill(const void* config) override;
     bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
                            u32 pixel_stride) override;
@@ -94,6 +96,8 @@ private:
         Tegra::Texture::WrapMode wrap_u;
         Tegra::Texture::WrapMode wrap_v;
         Tegra::Texture::WrapMode wrap_p;
+        bool uses_depth_compare;
+        Tegra::Texture::DepthCompareFunc depth_compare_func;
         GLvec4 border_color;
     };
 
@@ -116,7 +120,7 @@ private:
      * @returns The next available bindpoint for use in the next shader stage.
      */
     u32 SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader,
-                          u32 current_bindpoint);
+                          GLenum primitive_mode, u32 current_bindpoint);
 
     /*
      * Configures the current textures to use for the draw command.
@@ -126,7 +130,7 @@ private:
      * @returns The next available bindpoint for use in the next shader stage.
      */
     u32 SetupTextures(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader,
-                      u32 current_unit);
+                      GLenum primitive_mode, u32 current_unit);
 
     /// Syncs the viewport to match the guest state
     void SyncViewport();
@@ -161,6 +165,9 @@ private:
     /// Syncs the alpha test state to match the guest state
     void SyncAlphaTest();
 
+    /// Syncs the scissor test state to match the guest state
+    void SyncScissorTest();
+
     /// Syncs the transform feedback state to match the guest state
     void SyncTransformFeedback();
 
@@ -192,13 +199,18 @@ private:
     static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
     OGLBufferCache buffer_cache;
     OGLFramebuffer framebuffer;
+    PrimitiveAssembler primitive_assembler{buffer_cache};
     GLint uniform_buffer_alignment;
 
     std::size_t CalculateVertexArraysSize() const;
 
+    std::size_t CalculateIndexBufferSize() const;
+
     void SetupVertexArrays();
 
-    void SetupShaders();
+    DrawParameters SetupDraw();
+
+    void SetupShaders(GLenum primitive_mode);
 
     enum class AccelDraw { Disabled, Arrays, Indexed };
     AccelDraw accelerate_draw = AccelDraw::Disabled;