Android 240

* fix intended player count color in dark themes

* Refactor

* Change to green color for white and dark themes

* Add const to the colors and extra name for green color

README.md

@@ -1,14 +1,11 @@
 | Pull Request | Commit | Title | Author | Merged? |
 |----|----|----|----|----|
-| [12461](https://github.com/yuzu-emu/yuzu//pull/12461) | [`54eb8dcc9`](https://github.com/yuzu-emu/yuzu//pull/12461/files) | Rework Nvdec and VIC to fix out-of-order videos, and speed up decoding. | [Kelebek1](https://github.com/Kelebek1/) | Yes |
+| [12461](https://github.com/yuzu-emu/yuzu//pull/12461) | [`acc26667b`](https://github.com/yuzu-emu/yuzu//pull/12461/files) | Rework Nvdec and VIC to fix out-of-order videos, and speed up decoding. | [Kelebek1](https://github.com/Kelebek1/) | Yes |
 | [12749](https://github.com/yuzu-emu/yuzu//pull/12749) | [`aad4b0d6f`](https://github.com/yuzu-emu/yuzu//pull/12749/files) | general: workarounds for SMMU syncing issues | [liamwhite](https://github.com/liamwhite/) | Yes |
-| [12756](https://github.com/yuzu-emu/yuzu//pull/12756) | [`cd3de0848`](https://github.com/yuzu-emu/yuzu//pull/12756/files) | general: applet multiprocess | [liamwhite](https://github.com/liamwhite/) | Yes |
+| [12756](https://github.com/yuzu-emu/yuzu//pull/12756) | [`13fd37ef6`](https://github.com/yuzu-emu/yuzu//pull/12756/files) | general: applet multiprocess | [liamwhite](https://github.com/liamwhite/) | Yes |
-| [12920](https://github.com/yuzu-emu/yuzu//pull/12920) | [`2600ac65c`](https://github.com/yuzu-emu/yuzu//pull/12920/files) | android: Move JNI setup and helpers to common | [t895](https://github.com/t895/) | Yes |
 | [12949](https://github.com/yuzu-emu/yuzu//pull/12949) | [`5a64a77df`](https://github.com/yuzu-emu/yuzu//pull/12949/files) | service: add os types and multi wait API | [liamwhite](https://github.com/liamwhite/) | Yes |
-| [12951](https://github.com/yuzu-emu/yuzu//pull/12951) | [`fee263c59`](https://github.com/yuzu-emu/yuzu//pull/12951/files) | ipc: additional fixes | [liamwhite](https://github.com/liamwhite/) | Yes |
 | [12955](https://github.com/yuzu-emu/yuzu//pull/12955) | [`8d2ad3d8f`](https://github.com/yuzu-emu/yuzu//pull/12955/files) | dmnt: cheat: Avoid invalidating cache on 32bit | [german77](https://github.com/german77/) | Yes |
-| [12964](https://github.com/yuzu-emu/yuzu//pull/12964) | [`af8736567`](https://github.com/yuzu-emu/yuzu//pull/12964/files) | android: Remove foreground service | [t895](https://github.com/t895/) | Yes |
+| [12969](https://github.com/yuzu-emu/yuzu//pull/12969) | [`5bf64e874`](https://github.com/yuzu-emu/yuzu//pull/12969/files) | service: bcat: Migrate and refractor service to new IPC | [german77](https://github.com/german77/) | Yes |
-| [12968](https://github.com/yuzu-emu/yuzu//pull/12968) | [`f44183db9`](https://github.com/yuzu-emu/yuzu//pull/12968/files) | android: Thermal throttling indicator | [t895](https://github.com/t895/) | Yes |
 
 
 End of merge log. You can find the original README.md below the break.

externals/CMakeLists.txt

@@ -314,3 +314,10 @@ endif()
 if (NOT TARGET SimpleIni::SimpleIni)
     add_subdirectory(simpleini)
 endif()
+
+# sse2neon
+if (ARCHITECTURE_arm64 AND NOT TARGET sse2neon)
+    add_library(sse2neon INTERFACE)
+    target_include_directories(sse2neon INTERFACE sse2neon)
+endif()
+

src/core/CMakeLists.txt

@@ -512,10 +512,35 @@ add_library(core STATIC
     hle/service/audio/hwopus.h
     hle/service/bcat/backend/backend.cpp
     hle/service/bcat/backend/backend.h
+    hle/service/bcat/news/newly_arrived_event_holder.cpp
+    hle/service/bcat/news/newly_arrived_event_holder.h
+    hle/service/bcat/news/news_data_service.cpp
+    hle/service/bcat/news/news_data_service.h
+    hle/service/bcat/news/news_database_service.cpp
+    hle/service/bcat/news/news_database_service.h
+    hle/service/bcat/news/news_service.cpp
+    hle/service/bcat/news/news_service.h
+    hle/service/bcat/news/overwrite_event_holder.cpp
+    hle/service/bcat/news/overwrite_event_holder.h
+    hle/service/bcat/news/service_creator.cpp
+    hle/service/bcat/news/service_creator.h
     hle/service/bcat/bcat.cpp
     hle/service/bcat/bcat.h
-    hle/service/bcat/bcat_module.cpp
+    hle/service/bcat/bcat_result.h
-    hle/service/bcat/bcat_module.h
+    hle/service/bcat/bcat_service.cpp
+    hle/service/bcat/bcat_service.h
+    hle/service/bcat/bcat_types.h
+    hle/service/bcat/bcat_util.h
+    hle/service/bcat/delivery_cache_directory_service.cpp
+    hle/service/bcat/delivery_cache_directory_service.h
+    hle/service/bcat/delivery_cache_file_service.cpp
+    hle/service/bcat/delivery_cache_file_service.h
+    hle/service/bcat/delivery_cache_progress_service.cpp
+    hle/service/bcat/delivery_cache_progress_service.h
+    hle/service/bcat/delivery_cache_storage_service.cpp
+    hle/service/bcat/delivery_cache_storage_service.h
+    hle/service/bcat/service_creator.cpp
+    hle/service/bcat/service_creator.h
     hle/service/bpc/bpc.cpp
     hle/service/bpc/bpc.h
     hle/service/btdrv/btdrv.cpp

src/core/file_sys/content_archive.cpp

@@ -172,6 +172,10 @@ u32 NCA::GetSDKVersion() const {
     return reader->GetSdkAddonVersion();
 }
 
+u8 NCA::GetKeyGeneration() const {
+    return reader->GetKeyGeneration();
+}
+
 bool NCA::IsUpdate() const {
     return is_update;
 }

src/core/file_sys/content_archive.h

@@ -77,6 +77,7 @@ public:
     u64 GetTitleId() const;
     RightsId GetRightsId() const;
     u32 GetSDKVersion() const;
+    u8 GetKeyGeneration() const;
     bool IsUpdate() const;
 
     VirtualFile GetRomFS() const;

src/core/file_sys/errors.h

@@ -91,6 +91,7 @@ constexpr Result ResultWriteNotPermitted{ErrorModule::FS, 6203};
 constexpr Result ResultUnsupportedSetSizeForIndirectStorage{ErrorModule::FS, 6325};
 constexpr Result ResultUnsupportedWriteForCompressedStorage{ErrorModule::FS, 6387};
 constexpr Result ResultUnsupportedOperateRangeForCompressedStorage{ErrorModule::FS, 6388};
+constexpr Result ResultPermissionDenied{ErrorModule::FS, 6400};
 constexpr Result ResultBufferAllocationFailed{ErrorModule::FS, 6705};
 
 } // namespace FileSys

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

@@ -102,8 +102,14 @@ std::shared_ptr<ILibraryAppletAccessor> CreateGuestApplet(Core::System& system,
         return {};
     }
 
+    // TODO: enable other versions of applets
+    enum : u8 {
+        Firmware1600 = 15,
+        Firmware1700 = 16,
+    };
+
     auto process = std::make_unique<Process>(system);
-    if (!process->Initialize(program_id)) {
+    if (!process->Initialize(program_id, Firmware1600, Firmware1700)) {
         // Couldn't initialize the guest process
         return {};
     }

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

@@ -3,6 +3,7 @@
 
 #include "common/scope_exit.h"
 
+#include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/hle/kernel/k_process.h"
@@ -20,7 +21,7 @@ Process::~Process() {
     this->Finalize();
 }
 
-bool Process::Initialize(u64 program_id) {
+bool Process::Initialize(u64 program_id, u8 minimum_key_generation, u8 maximum_key_generation) {
     // First, ensure we are not holding another process.
     this->Finalize();
 
@@ -29,21 +30,33 @@ bool Process::Initialize(u64 program_id) {
 
     // Attempt to load program NCA.
     const FileSys::RegisteredCache* bis_system{};
-    FileSys::VirtualFile nca{};
+    FileSys::VirtualFile nca_raw{};
 
     // Get the program NCA from built-in storage.
     bis_system = fsc.GetSystemNANDContents();
     if (bis_system) {
-        nca = bis_system->GetEntryRaw(program_id, FileSys::ContentRecordType::Program);
+        nca_raw = bis_system->GetEntryRaw(program_id, FileSys::ContentRecordType::Program);
     }
 
     // Ensure we retrieved a program NCA.
-    if (!nca) {
+    if (!nca_raw) {
         return false;
     }
 
+    // Ensure we have a suitable version.
+    if (minimum_key_generation > 0) {
+        FileSys::NCA nca(nca_raw);
+        if (nca.GetStatus() == Loader::ResultStatus::Success &&
+            (nca.GetKeyGeneration() < minimum_key_generation ||
+             nca.GetKeyGeneration() > maximum_key_generation)) {
+            LOG_WARNING(Service_LDR, "Skipping program {:016X} with generation {}", program_id,
+                        nca.GetKeyGeneration());
+            return false;
+        }
+    }
+
     // Get the appropriate loader to parse this NCA.
-    auto app_loader = Loader::GetLoader(m_system, nca, program_id, 0);
+    auto app_loader = Loader::GetLoader(m_system, nca_raw, program_id, 0);
 
     // Ensure we have a loader which can parse the NCA.
     if (!app_loader) {

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

@@ -21,7 +21,7 @@ public:
     explicit Process(Core::System& system);
     ~Process();
 
-    bool Initialize(u64 program_id);
+    bool Initialize(u64 program_id, u8 minimum_key_generation, u8 maximum_key_generation);
     void Finalize();
 
     bool Run();

src/core/hle/service/bcat/backend/backend.cpp

@@ -33,18 +33,18 @@ void ProgressServiceBackend::SetTotalSize(u64 size) {
 }
 
 void ProgressServiceBackend::StartConnecting() {
-    impl.status = DeliveryCacheProgressImpl::Status::Connecting;
+    impl.status = DeliveryCacheProgressStatus::Connecting;
     SignalUpdate();
 }
 
 void ProgressServiceBackend::StartProcessingDataList() {
-    impl.status = DeliveryCacheProgressImpl::Status::ProcessingDataList;
+    impl.status = DeliveryCacheProgressStatus::ProcessingDataList;
     SignalUpdate();
 }
 
 void ProgressServiceBackend::StartDownloadingFile(std::string_view dir_name,
                                                   std::string_view file_name, u64 file_size) {
-    impl.status = DeliveryCacheProgressImpl::Status::Downloading;
+    impl.status = DeliveryCacheProgressStatus::Downloading;
     impl.current_downloaded_bytes = 0;
     impl.current_total_bytes = file_size;
     std::memcpy(impl.current_directory.data(), dir_name.data(),
@@ -65,7 +65,7 @@ void ProgressServiceBackend::FinishDownloadingFile() {
 }
 
 void ProgressServiceBackend::CommitDirectory(std::string_view dir_name) {
-    impl.status = DeliveryCacheProgressImpl::Status::Committing;
+    impl.status = DeliveryCacheProgressStatus::Committing;
     impl.current_file.fill(0);
     impl.current_downloaded_bytes = 0;
     impl.current_total_bytes = 0;
@@ -76,7 +76,7 @@ void ProgressServiceBackend::CommitDirectory(std::string_view dir_name) {
 
 void ProgressServiceBackend::FinishDownload(Result result) {
     impl.total_downloaded_bytes = impl.total_bytes;
-    impl.status = DeliveryCacheProgressImpl::Status::Done;
+    impl.status = DeliveryCacheProgressStatus::Done;
     impl.result = result;
     SignalUpdate();
 }
@@ -85,15 +85,15 @@ void ProgressServiceBackend::SignalUpdate() {
     update_event->Signal();
 }
 
-Backend::Backend(DirectoryGetter getter) : dir_getter(std::move(getter)) {}
+BcatBackend::BcatBackend(DirectoryGetter getter) : dir_getter(std::move(getter)) {}
 
-Backend::~Backend() = default;
+BcatBackend::~BcatBackend() = default;
 
-NullBackend::NullBackend(DirectoryGetter getter) : Backend(std::move(getter)) {}
+NullBcatBackend::NullBcatBackend(DirectoryGetter getter) : BcatBackend(std::move(getter)) {}
 
-NullBackend::~NullBackend() = default;
+NullBcatBackend::~NullBcatBackend() = default;
 
-bool NullBackend::Synchronize(TitleIDVersion title, ProgressServiceBackend& progress) {
+bool NullBcatBackend::Synchronize(TitleIDVersion title, ProgressServiceBackend& progress) {
     LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}", title.title_id,
               title.build_id);
 
@@ -101,8 +101,8 @@ bool NullBackend::Synchronize(TitleIDVersion title, ProgressServiceBackend& prog
     return true;
 }
 
-bool NullBackend::SynchronizeDirectory(TitleIDVersion title, std::string name,
+bool NullBcatBackend::SynchronizeDirectory(TitleIDVersion title, std::string name,
-                                       ProgressServiceBackend& progress) {
+                                           ProgressServiceBackend& progress) {
     LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}, name={}", title.title_id,
               title.build_id, name);
 
@@ -110,18 +110,18 @@ bool NullBackend::SynchronizeDirectory(TitleIDVersion title, std::string name,
     return true;
 }
 
-bool NullBackend::Clear(u64 title_id) {
+bool NullBcatBackend::Clear(u64 title_id) {
     LOG_DEBUG(Service_BCAT, "called, title_id={:016X}", title_id);
 
     return true;
 }
 
-void NullBackend::SetPassphrase(u64 title_id, const Passphrase& passphrase) {
+void NullBcatBackend::SetPassphrase(u64 title_id, const Passphrase& passphrase) {
     LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, passphrase={}", title_id,
               Common::HexToString(passphrase));
 }
 
-std::optional<std::vector<u8>> NullBackend::GetLaunchParameter(TitleIDVersion title) {
+std::optional<std::vector<u8>> NullBcatBackend::GetLaunchParameter(TitleIDVersion title) {
     LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}", title.title_id,
               title.build_id);
     return std::nullopt;

src/core/hle/service/bcat/backend/backend.h

@@ -10,6 +10,7 @@
 #include "common/common_types.h"
 #include "core/file_sys/vfs/vfs_types.h"
 #include "core/hle/result.h"
+#include "core/hle/service/bcat/bcat_types.h"
 #include "core/hle/service/kernel_helpers.h"
 
 namespace Core {
@@ -24,44 +25,6 @@ class KReadableEvent;
 
 namespace Service::BCAT {
 
-struct DeliveryCacheProgressImpl;
-
-using DirectoryGetter = std::function<FileSys::VirtualDir(u64)>;
-using Passphrase = std::array<u8, 0x20>;
-
-struct TitleIDVersion {
-    u64 title_id;
-    u64 build_id;
-};
-
-using DirectoryName = std::array<char, 0x20>;
-using FileName = std::array<char, 0x20>;
-
-struct DeliveryCacheProgressImpl {
-    enum class Status : s32 {
-        None = 0x0,
-        Queued = 0x1,
-        Connecting = 0x2,
-        ProcessingDataList = 0x3,
-        Downloading = 0x4,
-        Committing = 0x5,
-        Done = 0x9,
-    };
-
-    Status status;
-    Result result = ResultSuccess;
-    DirectoryName current_directory;
-    FileName current_file;
-    s64 current_downloaded_bytes; ///< Bytes downloaded on current file.
-    s64 current_total_bytes;      ///< Bytes total on current file.
-    s64 total_downloaded_bytes;   ///< Bytes downloaded on overall download.
-    s64 total_bytes;              ///< Bytes total on overall download.
-    INSERT_PADDING_BYTES(
-        0x198); ///< Appears to be unused in official code, possibly reserved for future use.
-};
-static_assert(sizeof(DeliveryCacheProgressImpl) == 0x200,
-              "DeliveryCacheProgressImpl has incorrect size.");
-
 // A class to manage the signalling to the game about BCAT download progress.
 // Some of this class is implemented in module.cpp to avoid exposing the implementation structure.
 class ProgressServiceBackend {
@@ -107,10 +70,10 @@ private:
 };
 
 // A class representing an abstract backend for BCAT functionality.
-class Backend {
+class BcatBackend {
 public:
-    explicit Backend(DirectoryGetter getter);
+    explicit BcatBackend(DirectoryGetter getter);
-    virtual ~Backend();
+    virtual ~BcatBackend();
 
     // Called when the backend is needed to synchronize the data for the game with title ID and
     // version in title. A ProgressServiceBackend object is provided to alert the application of
@@ -135,10 +98,10 @@ protected:
 };
 
 // A backend of BCAT that provides no operation.
-class NullBackend : public Backend {
+class NullBcatBackend : public BcatBackend {
 public:
-    explicit NullBackend(DirectoryGetter getter);
+    explicit NullBcatBackend(DirectoryGetter getter);
-    ~NullBackend() override;
+    ~NullBcatBackend() override;
 
     bool Synchronize(TitleIDVersion title, ProgressServiceBackend& progress) override;
     bool SynchronizeDirectory(TitleIDVersion title, std::string name,
@@ -151,6 +114,7 @@ public:
     std::optional<std::vector<u8>> GetLaunchParameter(TitleIDVersion title) override;
 };
 
-std::unique_ptr<Backend> CreateBackendFromSettings(Core::System& system, DirectoryGetter getter);
+std::unique_ptr<BcatBackend> CreateBackendFromSettings(Core::System& system,
+                                                       DirectoryGetter getter);
 
 } // namespace Service::BCAT

src/core/hle/service/bcat/bcat.cpp

@@ -1,24 +1,38 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/hle/service/bcat/backend/backend.h"
 #include "core/hle/service/bcat/bcat.h"
+#include "core/hle/service/bcat/news/service_creator.h"
+#include "core/hle/service/bcat/service_creator.h"
+#include "core/hle/service/server_manager.h"
 
 namespace Service::BCAT {
 
-BCAT::BCAT(Core::System& system_, std::shared_ptr<Module> module_,
+void LoopProcess(Core::System& system) {
-           FileSystem::FileSystemController& fsc_, const char* name_)
+    auto server_manager = std::make_unique<ServerManager>(system);
-    : Interface(system_, std::move(module_), fsc_, name_) {
+
-    // clang-format off
+    server_manager->RegisterNamedService("bcat:a",
-    static const FunctionInfo functions[] = {
+                                         std::make_shared<IServiceCreator>(system, "bcat:a"));
-        {0, &BCAT::CreateBcatService, "CreateBcatService"},
+    server_manager->RegisterNamedService("bcat:m",
-        {1, &BCAT::CreateDeliveryCacheStorageService, "CreateDeliveryCacheStorageService"},
+                                         std::make_shared<IServiceCreator>(system, "bcat:m"));
-        {2, &BCAT::CreateDeliveryCacheStorageServiceWithApplicationId, "CreateDeliveryCacheStorageServiceWithApplicationId"},
+    server_manager->RegisterNamedService("bcat:u",
-        {3, nullptr, "CreateDeliveryCacheProgressService"},
+                                         std::make_shared<IServiceCreator>(system, "bcat:u"));
-        {4, nullptr, "CreateDeliveryCacheProgressServiceWithApplicationId"},
+    server_manager->RegisterNamedService("bcat:s",
-    };
+                                         std::make_shared<IServiceCreator>(system, "bcat:s"));
-    // clang-format on
+
-    RegisterHandlers(functions);
+    server_manager->RegisterNamedService(
+        "news:a", std::make_shared<News::IServiceCreator>(system, 0xffffffff, "news:a"));
+    server_manager->RegisterNamedService(
+        "news:p", std::make_shared<News::IServiceCreator>(system, 0x1, "news:p"));
+    server_manager->RegisterNamedService(
+        "news:c", std::make_shared<News::IServiceCreator>(system, 0x2, "news:c"));
+    server_manager->RegisterNamedService(
+        "news:v", std::make_shared<News::IServiceCreator>(system, 0x4, "news:v"));
+    server_manager->RegisterNamedService(
+        "news:m", std::make_shared<News::IServiceCreator>(system, 0xd, "news:m"));
+
+    ServerManager::RunServer(std::move(server_manager));
 }
 
-BCAT::~BCAT() = default;
 } // namespace Service::BCAT

src/core/hle/service/bcat/bcat.h

@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include "core/hle/service/bcat/bcat_module.h"
+#include "core/hle/service/service.h"
 
 namespace Core {
 class System;
@@ -11,11 +11,6 @@ class System;
 
 namespace Service::BCAT {
 
-class BCAT final : public Module::Interface {
+void LoopProcess(Core::System& system);
-public:
-    explicit BCAT(Core::System& system_, std::shared_ptr<Module> module_,
-                  FileSystem::FileSystemController& fsc_, const char* name_);
-    ~BCAT() override;
-};
 
 } // namespace Service::BCAT

src/core/hle/service/bcat/bcat_module.cpp

@@ -1,606 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <cctype>
-#include <mbedtls/md5.h>
-#include "common/hex_util.h"
-#include "common/logging/log.h"
-#include "common/settings.h"
-#include "common/string_util.h"
-#include "core/core.h"
-#include "core/file_sys/vfs/vfs.h"
-#include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/service/bcat/backend/backend.h"
-#include "core/hle/service/bcat/bcat.h"
-#include "core/hle/service/bcat/bcat_module.h"
-#include "core/hle/service/filesystem/filesystem.h"
-#include "core/hle/service/ipc_helpers.h"
-#include "core/hle/service/server_manager.h"
-
-namespace Service::BCAT {
-
-constexpr Result ERROR_INVALID_ARGUMENT{ErrorModule::BCAT, 1};
-constexpr Result ERROR_FAILED_OPEN_ENTITY{ErrorModule::BCAT, 2};
-constexpr Result ERROR_ENTITY_ALREADY_OPEN{ErrorModule::BCAT, 6};
-constexpr Result ERROR_NO_OPEN_ENTITY{ErrorModule::BCAT, 7};
-
-// The command to clear the delivery cache just calls fs IFileSystem DeleteFile on all of the files
-// and if any of them have a non-zero result it just forwards that result. This is the FS error code
-// for permission denied, which is the closest approximation of this scenario.
-constexpr Result ERROR_FAILED_CLEAR_CACHE{ErrorModule::FS, 6400};
-
-using BCATDigest = std::array<u8, 0x10>;
-
-namespace {
-
-u64 GetCurrentBuildID(const Core::System::CurrentBuildProcessID& id) {
-    u64 out{};
-    std::memcpy(&out, id.data(), sizeof(u64));
-    return out;
-}
-
-// The digest is only used to determine if a file is unique compared to others of the same name.
-// Since the algorithm isn't ever checked in game, MD5 is safe.
-BCATDigest DigestFile(const FileSys::VirtualFile& file) {
-    BCATDigest out{};
-    const auto bytes = file->ReadAllBytes();
-    mbedtls_md5_ret(bytes.data(), bytes.size(), out.data());
-    return out;
-}
-
-// For a name to be valid it must be non-empty, must have a null terminating character as the final
-// char, can only contain numbers, letters, underscores and a hyphen if directory and a period if
-// file.
-bool VerifyNameValidInternal(HLERequestContext& ctx, std::array<char, 0x20> name, char match_char) {
-    const auto null_chars = std::count(name.begin(), name.end(), 0);
-    const auto bad_chars = std::count_if(name.begin(), name.end(), [match_char](char c) {
-        return !std::isalnum(static_cast<u8>(c)) && c != '_' && c != match_char && c != '\0';
-    });
-    if (null_chars == 0x20 || null_chars == 0 || bad_chars != 0 || name[0x1F] != '\0') {
-        LOG_ERROR(Service_BCAT, "Name passed was invalid!");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ERROR_INVALID_ARGUMENT);
-        return false;
-    }
-
-    return true;
-}
-
-bool VerifyNameValidDir(HLERequestContext& ctx, DirectoryName name) {
-    return VerifyNameValidInternal(ctx, name, '-');
-}
-
-bool VerifyNameValidFile(HLERequestContext& ctx, FileName name) {
-    return VerifyNameValidInternal(ctx, name, '.');
-}
-
-} // Anonymous namespace
-
-struct DeliveryCacheDirectoryEntry {
-    FileName name;
-    u64 size;
-    BCATDigest digest;
-};
-
-class IDeliveryCacheProgressService final : public ServiceFramework<IDeliveryCacheProgressService> {
-public:
-    explicit IDeliveryCacheProgressService(Core::System& system_, Kernel::KReadableEvent& event_,
-                                           const DeliveryCacheProgressImpl& impl_)
-        : ServiceFramework{system_, "IDeliveryCacheProgressService"}, event{event_}, impl{impl_} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IDeliveryCacheProgressService::GetEvent, "GetEvent"},
-            {1, &IDeliveryCacheProgressService::GetImpl, "GetImpl"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-
-private:
-    void GetEvent(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 1};
-        rb.Push(ResultSuccess);
-        rb.PushCopyObjects(event);
-    }
-
-    void GetImpl(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        ctx.WriteBuffer(impl);
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    Kernel::KReadableEvent& event;
-    const DeliveryCacheProgressImpl& impl;
-};
-
-class IBcatService final : public ServiceFramework<IBcatService> {
-public:
-    explicit IBcatService(Core::System& system_, Backend& backend_)
-        : ServiceFramework{system_, "IBcatService"}, backend{backend_},
-          progress{{
-              ProgressServiceBackend{system_, "Normal"},
-              ProgressServiceBackend{system_, "Directory"},
-          }} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {10100, &IBcatService::RequestSyncDeliveryCache, "RequestSyncDeliveryCache"},
-            {10101, &IBcatService::RequestSyncDeliveryCacheWithDirectoryName, "RequestSyncDeliveryCacheWithDirectoryName"},
-            {10200, nullptr, "CancelSyncDeliveryCacheRequest"},
-            {20100, nullptr, "RequestSyncDeliveryCacheWithApplicationId"},
-            {20101, nullptr, "RequestSyncDeliveryCacheWithApplicationIdAndDirectoryName"},
-            {20300, nullptr, "GetDeliveryCacheStorageUpdateNotifier"},
-            {20301, nullptr, "RequestSuspendDeliveryTask"},
-            {20400, nullptr, "RegisterSystemApplicationDeliveryTask"},
-            {20401, nullptr, "UnregisterSystemApplicationDeliveryTask"},
-            {20410, nullptr, "SetSystemApplicationDeliveryTaskTimer"},
-            {30100, &IBcatService::SetPassphrase, "SetPassphrase"},
-            {30101, nullptr, "Unknown30101"},
-            {30102, nullptr, "Unknown30102"},
-            {30200, nullptr, "RegisterBackgroundDeliveryTask"},
-            {30201, nullptr, "UnregisterBackgroundDeliveryTask"},
-            {30202, nullptr, "BlockDeliveryTask"},
-            {30203, nullptr, "UnblockDeliveryTask"},
-            {30210, nullptr, "SetDeliveryTaskTimer"},
-            {30300, nullptr, "RegisterSystemApplicationDeliveryTasks"},
-            {90100, nullptr, "EnumerateBackgroundDeliveryTask"},
-            {90101, nullptr, "Unknown90101"},
-            {90200, nullptr, "GetDeliveryList"},
-            {90201, &IBcatService::ClearDeliveryCacheStorage, "ClearDeliveryCacheStorage"},
-            {90202, nullptr, "ClearDeliveryTaskSubscriptionStatus"},
-            {90300, nullptr, "GetPushNotificationLog"},
-            {90301, nullptr, "Unknown90301"},
-        };
-        // clang-format on
-        RegisterHandlers(functions);
-    }
-
-private:
-    enum class SyncType {
-        Normal,
-        Directory,
-        Count,
-    };
-
-    std::shared_ptr<IDeliveryCacheProgressService> CreateProgressService(SyncType type) {
-        auto& progress_backend{GetProgressBackend(type)};
-        return std::make_shared<IDeliveryCacheProgressService>(system, progress_backend.GetEvent(),
-                                                               progress_backend.GetImpl());
-    }
-
-    void RequestSyncDeliveryCache(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        backend.Synchronize({system.GetApplicationProcessProgramID(),
-                             GetCurrentBuildID(system.GetApplicationProcessBuildID())},
-                            GetProgressBackend(SyncType::Normal));
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface(CreateProgressService(SyncType::Normal));
-    }
-
-    void RequestSyncDeliveryCacheWithDirectoryName(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto name_raw = rp.PopRaw<DirectoryName>();
-        const auto name =
-            Common::StringFromFixedZeroTerminatedBuffer(name_raw.data(), name_raw.size());
-
-        LOG_DEBUG(Service_BCAT, "called, name={}", name);
-
-        backend.SynchronizeDirectory({system.GetApplicationProcessProgramID(),
-                                      GetCurrentBuildID(system.GetApplicationProcessBuildID())},
-                                     name, GetProgressBackend(SyncType::Directory));
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface(CreateProgressService(SyncType::Directory));
-    }
-
-    void SetPassphrase(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto title_id = rp.PopRaw<u64>();
-
-        const auto passphrase_raw = ctx.ReadBuffer();
-
-        LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, passphrase={}", title_id,
-                  Common::HexToString(passphrase_raw));
-
-        if (title_id == 0) {
-            LOG_ERROR(Service_BCAT, "Invalid title ID!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
-        }
-
-        if (passphrase_raw.size() > 0x40) {
-            LOG_ERROR(Service_BCAT, "Passphrase too large!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
-            return;
-        }
-
-        Passphrase passphrase{};
-        std::memcpy(passphrase.data(), passphrase_raw.data(),
-                    std::min(passphrase.size(), passphrase_raw.size()));
-
-        backend.SetPassphrase(title_id, passphrase);
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void ClearDeliveryCacheStorage(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto title_id = rp.PopRaw<u64>();
-
-        LOG_DEBUG(Service_BCAT, "called, title_id={:016X}", title_id);
-
-        if (title_id == 0) {
-            LOG_ERROR(Service_BCAT, "Invalid title ID!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
-            return;
-        }
-
-        if (!backend.Clear(title_id)) {
-            LOG_ERROR(Service_BCAT, "Could not clear the directory successfully!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_FAILED_CLEAR_CACHE);
-            return;
-        }
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    ProgressServiceBackend& GetProgressBackend(SyncType type) {
-        return progress.at(static_cast<size_t>(type));
-    }
-
-    const ProgressServiceBackend& GetProgressBackend(SyncType type) const {
-        return progress.at(static_cast<size_t>(type));
-    }
-
-    Backend& backend;
-    std::array<ProgressServiceBackend, static_cast<size_t>(SyncType::Count)> progress;
-};
-
-void Module::Interface::CreateBcatService(HLERequestContext& ctx) {
-    LOG_DEBUG(Service_BCAT, "called");
-
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(ResultSuccess);
-    rb.PushIpcInterface<IBcatService>(system, *backend);
-}
-
-class IDeliveryCacheFileService final : public ServiceFramework<IDeliveryCacheFileService> {
-public:
-    explicit IDeliveryCacheFileService(Core::System& system_, FileSys::VirtualDir root_)
-        : ServiceFramework{system_, "IDeliveryCacheFileService"}, root(std::move(root_)) {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IDeliveryCacheFileService::Open, "Open"},
-            {1, &IDeliveryCacheFileService::Read, "Read"},
-            {2, &IDeliveryCacheFileService::GetSize, "GetSize"},
-            {3, &IDeliveryCacheFileService::GetDigest, "GetDigest"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-
-private:
-    void Open(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto dir_name_raw = rp.PopRaw<DirectoryName>();
-        const auto file_name_raw = rp.PopRaw<FileName>();
-
-        const auto dir_name =
-            Common::StringFromFixedZeroTerminatedBuffer(dir_name_raw.data(), dir_name_raw.size());
-        const auto file_name =
-            Common::StringFromFixedZeroTerminatedBuffer(file_name_raw.data(), file_name_raw.size());
-
-        LOG_DEBUG(Service_BCAT, "called, dir_name={}, file_name={}", dir_name, file_name);
-
-        if (!VerifyNameValidDir(ctx, dir_name_raw) || !VerifyNameValidFile(ctx, file_name_raw))
-            return;
-
-        if (current_file != nullptr) {
-            LOG_ERROR(Service_BCAT, "A file has already been opened on this interface!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_ENTITY_ALREADY_OPEN);
-            return;
-        }
-
-        const auto dir = root->GetSubdirectory(dir_name);
-
-        if (dir == nullptr) {
-            LOG_ERROR(Service_BCAT, "The directory of name={} couldn't be opened!", dir_name);
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_FAILED_OPEN_ENTITY);
-            return;
-        }
-
-        current_file = dir->GetFile(file_name);
-
-        if (current_file == nullptr) {
-            LOG_ERROR(Service_BCAT, "The file of name={} couldn't be opened!", file_name);
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_FAILED_OPEN_ENTITY);
-            return;
-        }
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void Read(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto offset{rp.PopRaw<u64>()};
-
-        auto size = ctx.GetWriteBufferSize();
-
-        LOG_DEBUG(Service_BCAT, "called, offset={:016X}, size={:016X}", offset, size);
-
-        if (current_file == nullptr) {
-            LOG_ERROR(Service_BCAT, "There is no file currently open!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_NO_OPEN_ENTITY);
-        }
-
-        size = std::min<u64>(current_file->GetSize() - offset, size);
-        const auto buffer = current_file->ReadBytes(size, offset);
-        ctx.WriteBuffer(buffer);
-
-        IPC::ResponseBuilder rb{ctx, 4};
-        rb.Push(ResultSuccess);
-        rb.Push<u64>(buffer.size());
-    }
-
-    void GetSize(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        if (current_file == nullptr) {
-            LOG_ERROR(Service_BCAT, "There is no file currently open!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_NO_OPEN_ENTITY);
-        }
-
-        IPC::ResponseBuilder rb{ctx, 4};
-        rb.Push(ResultSuccess);
-        rb.Push<u64>(current_file->GetSize());
-    }
-
-    void GetDigest(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        if (current_file == nullptr) {
-            LOG_ERROR(Service_BCAT, "There is no file currently open!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_NO_OPEN_ENTITY);
-        }
-
-        IPC::ResponseBuilder rb{ctx, 6};
-        rb.Push(ResultSuccess);
-        rb.PushRaw(DigestFile(current_file));
-    }
-
-    FileSys::VirtualDir root;
-    FileSys::VirtualFile current_file;
-};
-
-class IDeliveryCacheDirectoryService final
-    : public ServiceFramework<IDeliveryCacheDirectoryService> {
-public:
-    explicit IDeliveryCacheDirectoryService(Core::System& system_, FileSys::VirtualDir root_)
-        : ServiceFramework{system_, "IDeliveryCacheDirectoryService"}, root(std::move(root_)) {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IDeliveryCacheDirectoryService::Open, "Open"},
-            {1, &IDeliveryCacheDirectoryService::Read, "Read"},
-            {2, &IDeliveryCacheDirectoryService::GetCount, "GetCount"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-
-private:
-    void Open(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto name_raw = rp.PopRaw<DirectoryName>();
-        const auto name =
-            Common::StringFromFixedZeroTerminatedBuffer(name_raw.data(), name_raw.size());
-
-        LOG_DEBUG(Service_BCAT, "called, name={}", name);
-
-        if (!VerifyNameValidDir(ctx, name_raw))
-            return;
-
-        if (current_dir != nullptr) {
-            LOG_ERROR(Service_BCAT, "A file has already been opened on this interface!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_ENTITY_ALREADY_OPEN);
-            return;
-        }
-
-        current_dir = root->GetSubdirectory(name);
-
-        if (current_dir == nullptr) {
-            LOG_ERROR(Service_BCAT, "Failed to open the directory name={}!", name);
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_FAILED_OPEN_ENTITY);
-            return;
-        }
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void Read(HLERequestContext& ctx) {
-        auto write_size = ctx.GetWriteBufferNumElements<DeliveryCacheDirectoryEntry>();
-
-        LOG_DEBUG(Service_BCAT, "called, write_size={:016X}", write_size);
-
-        if (current_dir == nullptr) {
-            LOG_ERROR(Service_BCAT, "There is no open directory!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_NO_OPEN_ENTITY);
-            return;
-        }
-
-        const auto files = current_dir->GetFiles();
-        write_size = std::min<u64>(write_size, files.size());
-        std::vector<DeliveryCacheDirectoryEntry> entries(write_size);
-        std::transform(
-            files.begin(), files.begin() + write_size, entries.begin(), [](const auto& file) {
-                FileName name{};
-                std::memcpy(name.data(), file->GetName().data(),
-                            std::min(file->GetName().size(), name.size()));
-                return DeliveryCacheDirectoryEntry{name, file->GetSize(), DigestFile(file)};
-            });
-
-        ctx.WriteBuffer(entries);
-
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push(static_cast<u32>(write_size * sizeof(DeliveryCacheDirectoryEntry)));
-    }
-
-    void GetCount(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        if (current_dir == nullptr) {
-            LOG_ERROR(Service_BCAT, "There is no open directory!");
-            IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_NO_OPEN_ENTITY);
-            return;
-        }
-
-        const auto files = current_dir->GetFiles();
-
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push(static_cast<u32>(files.size()));
-    }
-
-    FileSys::VirtualDir root;
-    FileSys::VirtualDir current_dir;
-};
-
-class IDeliveryCacheStorageService final : public ServiceFramework<IDeliveryCacheStorageService> {
-public:
-    explicit IDeliveryCacheStorageService(Core::System& system_, FileSys::VirtualDir root_)
-        : ServiceFramework{system_, "IDeliveryCacheStorageService"}, root(std::move(root_)) {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IDeliveryCacheStorageService::CreateFileService, "CreateFileService"},
-            {1, &IDeliveryCacheStorageService::CreateDirectoryService, "CreateDirectoryService"},
-            {10, &IDeliveryCacheStorageService::EnumerateDeliveryCacheDirectory, "EnumerateDeliveryCacheDirectory"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-
-        for (const auto& subdir : root->GetSubdirectories()) {
-            DirectoryName name{};
-            std::memcpy(name.data(), subdir->GetName().data(),
-                        std::min(sizeof(DirectoryName) - 1, subdir->GetName().size()));
-            entries.push_back(name);
-        }
-    }
-
-private:
-    void CreateFileService(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IDeliveryCacheFileService>(system, root);
-    }
-
-    void CreateDirectoryService(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BCAT, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IDeliveryCacheDirectoryService>(system, root);
-    }
-
-    void EnumerateDeliveryCacheDirectory(HLERequestContext& ctx) {
-        auto size = ctx.GetWriteBufferNumElements<DirectoryName>();
-
-        LOG_DEBUG(Service_BCAT, "called, size={:016X}", size);
-
-        size = std::min<u64>(size, entries.size() - next_read_index);
-        ctx.WriteBuffer(entries.data() + next_read_index, size * sizeof(DirectoryName));
-        next_read_index += size;
-
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push(static_cast<u32>(size));
-    }
-
-    FileSys::VirtualDir root;
-    std::vector<DirectoryName> entries;
-    u64 next_read_index = 0;
-};
-
-void Module::Interface::CreateDeliveryCacheStorageService(HLERequestContext& ctx) {
-    LOG_DEBUG(Service_BCAT, "called");
-
-    const auto title_id = system.GetApplicationProcessProgramID();
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(ResultSuccess);
-    rb.PushIpcInterface<IDeliveryCacheStorageService>(system, fsc.GetBCATDirectory(title_id));
-}
-
-void Module::Interface::CreateDeliveryCacheStorageServiceWithApplicationId(HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto title_id = rp.PopRaw<u64>();
-
-    LOG_DEBUG(Service_BCAT, "called, title_id={:016X}", title_id);
-
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(ResultSuccess);
-    rb.PushIpcInterface<IDeliveryCacheStorageService>(system, fsc.GetBCATDirectory(title_id));
-}
-
-std::unique_ptr<Backend> CreateBackendFromSettings([[maybe_unused]] Core::System& system,
-                                                   DirectoryGetter getter) {
-    return std::make_unique<NullBackend>(std::move(getter));
-}
-
-Module::Interface::Interface(Core::System& system_, std::shared_ptr<Module> module_,
-                             FileSystem::FileSystemController& fsc_, const char* name)
-    : ServiceFramework{system_, name}, fsc{fsc_}, module{std::move(module_)},
-      backend{CreateBackendFromSettings(system_,
-                                        [&fsc_](u64 tid) { return fsc_.GetBCATDirectory(tid); })} {}
-
-Module::Interface::~Interface() = default;
-
-void LoopProcess(Core::System& system) {
-    auto server_manager = std::make_unique<ServerManager>(system);
-    auto module = std::make_shared<Module>();
-
-    server_manager->RegisterNamedService(
-        "bcat:a",
-        std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:a"));
-    server_manager->RegisterNamedService(
-        "bcat:m",
-        std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:m"));
-    server_manager->RegisterNamedService(
-        "bcat:u",
-        std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:u"));
-    server_manager->RegisterNamedService(
-        "bcat:s",
-        std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:s"));
-    ServerManager::RunServer(std::move(server_manager));
-}
-
-} // namespace Service::BCAT

src/core/hle/service/bcat/bcat_module.h

@@ -1,46 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include "core/hle/service/service.h"
-
-namespace Core {
-class System;
-}
-
-namespace Service {
-
-namespace FileSystem {
-class FileSystemController;
-} // namespace FileSystem
-
-namespace BCAT {
-
-class Backend;
-
-class Module final {
-public:
-    class Interface : public ServiceFramework<Interface> {
-    public:
-        explicit Interface(Core::System& system_, std::shared_ptr<Module> module_,
-                           FileSystem::FileSystemController& fsc_, const char* name);
-        ~Interface() override;
-
-        void CreateBcatService(HLERequestContext& ctx);
-        void CreateDeliveryCacheStorageService(HLERequestContext& ctx);
-        void CreateDeliveryCacheStorageServiceWithApplicationId(HLERequestContext& ctx);
-
-    protected:
-        FileSystem::FileSystemController& fsc;
-
-        std::shared_ptr<Module> module;
-        std::unique_ptr<Backend> backend;
-    };
-};
-
-void LoopProcess(Core::System& system);
-
-} // namespace BCAT
-
-} // namespace Service

src/core/hle/service/bcat/bcat_result.h

@@ -0,0 +1,15 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/result.h"
+
+namespace Service::BCAT {
+
+constexpr Result ResultInvalidArgument{ErrorModule::BCAT, 1};
+constexpr Result ResultFailedOpenEntity{ErrorModule::BCAT, 2};
+constexpr Result ResultEntityAlreadyOpen{ErrorModule::BCAT, 6};
+constexpr Result ResultNoOpenEntry{ErrorModule::BCAT, 7};
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/bcat_service.cpp

@@ -0,0 +1,132 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/hex_util.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/file_sys/errors.h"
+#include "core/hle/service/bcat/backend/backend.h"
+#include "core/hle/service/bcat/bcat_result.h"
+#include "core/hle/service/bcat/bcat_service.h"
+#include "core/hle/service/bcat/bcat_util.h"
+#include "core/hle/service/bcat/delivery_cache_progress_service.h"
+#include "core/hle/service/bcat/delivery_cache_storage_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::BCAT {
+
+static u64 GetCurrentBuildID(const Core::System::CurrentBuildProcessID& id) {
+    u64 out{};
+    std::memcpy(&out, id.data(), sizeof(u64));
+    return out;
+}
+
+IBcatService::IBcatService(Core::System& system_, BcatBackend& backend_)
+    : ServiceFramework{system_, "IBcatService"}, backend{backend_},
+      progress{{
+          ProgressServiceBackend{system_, "Normal"},
+          ProgressServiceBackend{system_, "Directory"},
+      }} {
+    // clang-format off
+        static const FunctionInfo functions[] = {
+            {10100, C<&IBcatService::RequestSyncDeliveryCache>, "RequestSyncDeliveryCache"},
+            {10101, C<&IBcatService::RequestSyncDeliveryCacheWithDirectoryName>, "RequestSyncDeliveryCacheWithDirectoryName"},
+            {10200, nullptr, "CancelSyncDeliveryCacheRequest"},
+            {20100, nullptr, "RequestSyncDeliveryCacheWithApplicationId"},
+            {20101, nullptr, "RequestSyncDeliveryCacheWithApplicationIdAndDirectoryName"},
+            {20300, nullptr, "GetDeliveryCacheStorageUpdateNotifier"},
+            {20301, nullptr, "RequestSuspendDeliveryTask"},
+            {20400, nullptr, "RegisterSystemApplicationDeliveryTask"},
+            {20401, nullptr, "UnregisterSystemApplicationDeliveryTask"},
+            {20410, nullptr, "SetSystemApplicationDeliveryTaskTimer"},
+            {30100, C<&IBcatService::SetPassphrase>, "SetPassphrase"},
+            {30101, nullptr, "Unknown30101"},
+            {30102, nullptr, "Unknown30102"},
+            {30200, nullptr, "RegisterBackgroundDeliveryTask"},
+            {30201, nullptr, "UnregisterBackgroundDeliveryTask"},
+            {30202, nullptr, "BlockDeliveryTask"},
+            {30203, nullptr, "UnblockDeliveryTask"},
+            {30210, nullptr, "SetDeliveryTaskTimer"},
+            {30300, C<&IBcatService::RegisterSystemApplicationDeliveryTasks>, "RegisterSystemApplicationDeliveryTasks"},
+            {90100, nullptr, "EnumerateBackgroundDeliveryTask"},
+            {90101, nullptr, "Unknown90101"},
+            {90200, nullptr, "GetDeliveryList"},
+            {90201, C<&IBcatService::ClearDeliveryCacheStorage>, "ClearDeliveryCacheStorage"},
+            {90202, nullptr, "ClearDeliveryTaskSubscriptionStatus"},
+            {90300, nullptr, "GetPushNotificationLog"},
+            {90301, nullptr, "Unknown90301"},
+        };
+    // clang-format on
+    RegisterHandlers(functions);
+}
+
+IBcatService::~IBcatService() = default;
+
+Result IBcatService::RequestSyncDeliveryCache(
+    OutInterface<IDeliveryCacheProgressService> out_interface) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    auto& progress_backend{GetProgressBackend(SyncType::Normal)};
+    backend.Synchronize({system.GetApplicationProcessProgramID(),
+                         GetCurrentBuildID(system.GetApplicationProcessBuildID())},
+                        GetProgressBackend(SyncType::Normal));
+
+    *out_interface = std::make_shared<IDeliveryCacheProgressService>(
+        system, progress_backend.GetEvent(), progress_backend.GetImpl());
+    R_SUCCEED();
+}
+
+Result IBcatService::RequestSyncDeliveryCacheWithDirectoryName(
+    const DirectoryName& name_raw, OutInterface<IDeliveryCacheProgressService> out_interface) {
+    const auto name = Common::StringFromFixedZeroTerminatedBuffer(name_raw.data(), name_raw.size());
+
+    LOG_DEBUG(Service_BCAT, "called, name={}", name);
+
+    auto& progress_backend{GetProgressBackend(SyncType::Directory)};
+    backend.SynchronizeDirectory({system.GetApplicationProcessProgramID(),
+                                  GetCurrentBuildID(system.GetApplicationProcessBuildID())},
+                                 name, progress_backend);
+
+    *out_interface = std::make_shared<IDeliveryCacheProgressService>(
+        system, progress_backend.GetEvent(), progress_backend.GetImpl());
+    R_SUCCEED();
+}
+
+Result IBcatService::SetPassphrase(u64 application_id,
+                                   InBuffer<BufferAttr_HipcPointer> passphrase_buffer) {
+    LOG_DEBUG(Service_BCAT, "called, application_id={:016X}, passphrase={}", application_id,
+              Common::HexToString(passphrase_buffer));
+
+    R_UNLESS(application_id != 0, ResultInvalidArgument);
+    R_UNLESS(passphrase_buffer.size() <= 0x40, ResultInvalidArgument);
+
+    Passphrase passphrase{};
+    std::memcpy(passphrase.data(), passphrase_buffer.data(),
+                std::min(passphrase.size(), passphrase_buffer.size()));
+
+    backend.SetPassphrase(application_id, passphrase);
+    R_SUCCEED();
+}
+
+Result IBcatService::RegisterSystemApplicationDeliveryTasks() {
+    LOG_WARNING(Service_BCAT, "(STUBBED) called");
+    R_SUCCEED();
+}
+
+Result IBcatService::ClearDeliveryCacheStorage(u64 application_id) {
+    LOG_DEBUG(Service_BCAT, "called, title_id={:016X}", application_id);
+
+    R_UNLESS(application_id != 0, ResultInvalidArgument);
+    R_UNLESS(backend.Clear(application_id), FileSys::ResultPermissionDenied);
+    R_SUCCEED();
+}
+
+ProgressServiceBackend& IBcatService::GetProgressBackend(SyncType type) {
+    return progress.at(static_cast<size_t>(type));
+}
+
+const ProgressServiceBackend& IBcatService::GetProgressBackend(SyncType type) const {
+    return progress.at(static_cast<size_t>(type));
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/bcat_service.h

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/bcat/backend/backend.h"
+#include "core/hle/service/bcat/bcat_types.h"
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::BCAT {
+class BcatBackend;
+class IDeliveryCacheStorageService;
+class IDeliveryCacheProgressService;
+
+class IBcatService final : public ServiceFramework<IBcatService> {
+public:
+    explicit IBcatService(Core::System& system_, BcatBackend& backend_);
+    ~IBcatService() override;
+
+private:
+    Result RequestSyncDeliveryCache(OutInterface<IDeliveryCacheProgressService> out_interface);
+
+    Result RequestSyncDeliveryCacheWithDirectoryName(
+        const DirectoryName& name, OutInterface<IDeliveryCacheProgressService> out_interface);
+
+    Result SetPassphrase(u64 application_id, InBuffer<BufferAttr_HipcPointer> passphrase_buffer);
+
+    Result RegisterSystemApplicationDeliveryTasks();
+
+    Result ClearDeliveryCacheStorage(u64 application_id);
+
+private:
+    ProgressServiceBackend& GetProgressBackend(SyncType type);
+    const ProgressServiceBackend& GetProgressBackend(SyncType type) const;
+
+    BcatBackend& backend;
+    std::array<ProgressServiceBackend, static_cast<size_t>(SyncType::Count)> progress;
+};
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/bcat_types.h

@@ -0,0 +1,66 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include <functional>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "core/file_sys/vfs/vfs_types.h"
+#include "core/hle/result.h"
+
+namespace Service::BCAT {
+
+using DirectoryName = std::array<char, 0x20>;
+using FileName = std::array<char, 0x20>;
+using BcatDigest = std::array<u8, 0x10>;
+using Passphrase = std::array<u8, 0x20>;
+using DirectoryGetter = std::function<FileSys::VirtualDir(u64)>;
+
+enum class SyncType {
+    Normal,
+    Directory,
+    Count,
+};
+
+enum class DeliveryCacheProgressStatus : s32 {
+    None = 0x0,
+    Queued = 0x1,
+    Connecting = 0x2,
+    ProcessingDataList = 0x3,
+    Downloading = 0x4,
+    Committing = 0x5,
+    Done = 0x9,
+};
+
+struct DeliveryCacheDirectoryEntry {
+    FileName name;
+    u64 size;
+    BcatDigest digest;
+};
+
+struct TitleIDVersion {
+    u64 title_id;
+    u64 build_id;
+};
+
+struct DeliveryCacheProgressImpl {
+    DeliveryCacheProgressStatus status;
+    Result result;
+    DirectoryName current_directory;
+    FileName current_file;
+    s64 current_downloaded_bytes; ///< Bytes downloaded on current file.
+    s64 current_total_bytes;      ///< Bytes total on current file.
+    s64 total_downloaded_bytes;   ///< Bytes downloaded on overall download.
+    s64 total_bytes;              ///< Bytes total on overall download.
+    INSERT_PADDING_BYTES_NOINIT(
+        0x198); ///< Appears to be unused in official code, possibly reserved for future use.
+};
+static_assert(sizeof(DeliveryCacheProgressImpl) == 0x200,
+              "DeliveryCacheProgressImpl has incorrect size.");
+static_assert(std::is_trivial_v<DeliveryCacheProgressImpl>,
+              "DeliveryCacheProgressImpl type must be trivially copyable.");
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/bcat_util.h

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include <cctype>
+#include <mbedtls/md5.h>
+
+#include "core/hle/service/bcat/bcat_result.h"
+#include "core/hle/service/bcat/bcat_types.h"
+
+namespace Service::BCAT {
+
+// For a name to be valid it must be non-empty, must have a null terminating character as the final
+// char, can only contain numbers, letters, underscores and a hyphen if directory and a period if
+// file.
+constexpr Result VerifyNameValidInternal(std::array<char, 0x20> name, char match_char) {
+    const auto null_chars = std::count(name.begin(), name.end(), 0);
+    const auto bad_chars = std::count_if(name.begin(), name.end(), [match_char](char c) {
+        return !std::isalnum(static_cast<u8>(c)) && c != '_' && c != match_char && c != '\0';
+    });
+    if (null_chars == 0x20 || null_chars == 0 || bad_chars != 0 || name[0x1F] != '\0') {
+        LOG_ERROR(Service_BCAT, "Name passed was invalid!");
+        return ResultInvalidArgument;
+    }
+
+    return ResultSuccess;
+}
+
+constexpr Result VerifyNameValidDir(DirectoryName name) {
+    return VerifyNameValidInternal(name, '-');
+}
+
+constexpr Result VerifyNameValidFile(FileName name) {
+    return VerifyNameValidInternal(name, '.');
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_directory_service.cpp

@@ -0,0 +1,80 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common/string_util.h"
+#include "core/file_sys/vfs/vfs_types.h"
+#include "core/hle/service/bcat/bcat_result.h"
+#include "core/hle/service/bcat/bcat_util.h"
+#include "core/hle/service/bcat/delivery_cache_directory_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::BCAT {
+
+// The digest is only used to determine if a file is unique compared to others of the same name.
+// Since the algorithm isn't ever checked in game, MD5 is safe.
+static BcatDigest DigestFile(const FileSys::VirtualFile& file) {
+    BcatDigest out{};
+    const auto bytes = file->ReadAllBytes();
+    mbedtls_md5_ret(bytes.data(), bytes.size(), out.data());
+    return out;
+}
+
+IDeliveryCacheDirectoryService::IDeliveryCacheDirectoryService(Core::System& system_,
+                                                               FileSys::VirtualDir root_)
+    : ServiceFramework{system_, "IDeliveryCacheDirectoryService"}, root(std::move(root_)) {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IDeliveryCacheDirectoryService::Open>, "Open"},
+        {1, C<&IDeliveryCacheDirectoryService::Read>, "Read"},
+        {2, C<&IDeliveryCacheDirectoryService::GetCount>, "GetCount"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IDeliveryCacheDirectoryService::~IDeliveryCacheDirectoryService() = default;
+
+Result IDeliveryCacheDirectoryService::Open(const DirectoryName& dir_name_raw) {
+    const auto dir_name =
+        Common::StringFromFixedZeroTerminatedBuffer(dir_name_raw.data(), dir_name_raw.size());
+
+    LOG_DEBUG(Service_BCAT, "called, dir_name={}", dir_name);
+
+    R_TRY(VerifyNameValidDir(dir_name_raw));
+    R_UNLESS(current_dir == nullptr, ResultEntityAlreadyOpen);
+
+    const auto dir = root->GetSubdirectory(dir_name);
+    R_UNLESS(dir != nullptr, ResultFailedOpenEntity);
+
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheDirectoryService::Read(
+    Out<s32> out_count, OutArray<DeliveryCacheDirectoryEntry, BufferAttr_HipcMapAlias> out_buffer) {
+    LOG_DEBUG(Service_BCAT, "called, write_size={:016X}", out_buffer.size());
+
+    R_UNLESS(current_dir != nullptr, ResultNoOpenEntry);
+
+    const auto files = current_dir->GetFiles();
+    *out_count = static_cast<s32>(std::min(files.size(), out_buffer.size()));
+    std::transform(files.begin(), files.begin() + *out_count, out_buffer.begin(),
+                   [](const auto& file) {
+                       FileName name{};
+                       std::memcpy(name.data(), file->GetName().data(),
+                                   std::min(file->GetName().size(), name.size()));
+                       return DeliveryCacheDirectoryEntry{name, file->GetSize(), DigestFile(file)};
+                   });
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheDirectoryService::GetCount(Out<s32> out_count) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    R_UNLESS(current_dir != nullptr, ResultNoOpenEntry);
+
+    *out_count = static_cast<s32>(current_dir->GetFiles().size());
+    R_SUCCEED();
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_directory_service.h

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/file_sys/vfs/vfs.h"
+#include "core/hle/service/bcat/bcat_types.h"
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::BCAT {
+
+class IDeliveryCacheDirectoryService final
+    : public ServiceFramework<IDeliveryCacheDirectoryService> {
+public:
+    explicit IDeliveryCacheDirectoryService(Core::System& system_, FileSys::VirtualDir root_);
+    ~IDeliveryCacheDirectoryService() override;
+
+private:
+    Result Open(const DirectoryName& dir_name_raw);
+    Result Read(Out<s32> out_count,
+                OutArray<DeliveryCacheDirectoryEntry, BufferAttr_HipcMapAlias> out_buffer);
+    Result GetCount(Out<s32> out_count);
+
+    FileSys::VirtualDir root;
+    FileSys::VirtualDir current_dir;
+};
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_file_service.cpp

@@ -0,0 +1,82 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common/string_util.h"
+#include "core/hle/service/bcat/bcat_result.h"
+#include "core/hle/service/bcat/bcat_util.h"
+#include "core/hle/service/bcat/delivery_cache_file_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::BCAT {
+
+IDeliveryCacheFileService::IDeliveryCacheFileService(Core::System& system_,
+                                                     FileSys::VirtualDir root_)
+    : ServiceFramework{system_, "IDeliveryCacheFileService"}, root(std::move(root_)) {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IDeliveryCacheFileService::Open>, "Open"},
+        {1, C<&IDeliveryCacheFileService::Read>, "Read"},
+        {2, C<&IDeliveryCacheFileService::GetSize>, "GetSize"},
+        {3, C<&IDeliveryCacheFileService::GetDigest>, "GetDigest"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IDeliveryCacheFileService::~IDeliveryCacheFileService() = default;
+
+Result IDeliveryCacheFileService::Open(const DirectoryName& dir_name_raw,
+                                       const FileName& file_name_raw) {
+    const auto dir_name =
+        Common::StringFromFixedZeroTerminatedBuffer(dir_name_raw.data(), dir_name_raw.size());
+    const auto file_name =
+        Common::StringFromFixedZeroTerminatedBuffer(file_name_raw.data(), file_name_raw.size());
+
+    LOG_DEBUG(Service_BCAT, "called, dir_name={}, file_name={}", dir_name, file_name);
+
+    R_TRY(VerifyNameValidDir(dir_name_raw));
+    R_TRY(VerifyNameValidDir(file_name_raw));
+    R_UNLESS(current_file == nullptr, ResultEntityAlreadyOpen);
+
+    const auto dir = root->GetSubdirectory(dir_name);
+    R_UNLESS(dir != nullptr, ResultFailedOpenEntity);
+
+    current_file = dir->GetFile(file_name);
+    R_UNLESS(current_file != nullptr, ResultFailedOpenEntity);
+
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheFileService::Read(Out<u64> out_buffer_size, u64 offset,
+                                       OutBuffer<BufferAttr_HipcMapAlias> out_buffer) {
+    LOG_DEBUG(Service_BCAT, "called, offset={:016X}, size={:016X}", offset, out_buffer.size());
+
+    R_UNLESS(current_file != nullptr, ResultNoOpenEntry);
+
+    *out_buffer_size = std::min<u64>(current_file->GetSize() - offset, out_buffer.size());
+    const auto buffer = current_file->ReadBytes(*out_buffer_size, offset);
+    memcpy(out_buffer.data(), buffer.data(), buffer.size());
+
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheFileService::GetSize(Out<u64> out_size) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    R_UNLESS(current_file != nullptr, ResultNoOpenEntry);
+
+    *out_size = current_file->GetSize();
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheFileService::GetDigest(Out<BcatDigest> out_digest) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    R_UNLESS(current_file != nullptr, ResultNoOpenEntry);
+
+    //*out_digest = DigestFile(current_file);
+    R_SUCCEED();
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_file_service.h

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/file_sys/vfs/vfs.h"
+#include "core/hle/service/bcat/bcat_types.h"
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::BCAT {
+
+class IDeliveryCacheFileService final : public ServiceFramework<IDeliveryCacheFileService> {
+public:
+    explicit IDeliveryCacheFileService(Core::System& system_, FileSys::VirtualDir root_);
+    ~IDeliveryCacheFileService() override;
+
+private:
+    Result Open(const DirectoryName& dir_name_raw, const FileName& file_name_raw);
+    Result Read(Out<u64> out_buffer_size, u64 offset,
+                OutBuffer<BufferAttr_HipcMapAlias> out_buffer);
+    Result GetSize(Out<u64> out_size);
+    Result GetDigest(Out<BcatDigest> out_digest);
+
+    FileSys::VirtualDir root;
+    FileSys::VirtualFile current_file;
+};
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_progress_service.cpp

@@ -0,0 +1,41 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/bcat_types.h"
+#include "core/hle/service/bcat/delivery_cache_progress_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::BCAT {
+
+IDeliveryCacheProgressService::IDeliveryCacheProgressService(Core::System& system_,
+                                                             Kernel::KReadableEvent& event_,
+                                                             const DeliveryCacheProgressImpl& impl_)
+    : ServiceFramework{system_, "IDeliveryCacheProgressService"}, event{event_}, impl{impl_} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IDeliveryCacheProgressService::GetEvent>, "Get"},
+        {0, C<&IDeliveryCacheProgressService::GetImpl>, "Get"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IDeliveryCacheProgressService::~IDeliveryCacheProgressService() = default;
+
+Result IDeliveryCacheProgressService::GetEvent(OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    *out_event = &event;
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheProgressService::GetImpl(
+    OutLargeData<DeliveryCacheProgressImpl, BufferAttr_HipcPointer> out_impl) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    *out_impl = impl;
+    R_SUCCEED();
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_progress_service.h

@@ -0,0 +1,35 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Service::BCAT {
+struct DeliveryCacheProgressImpl;
+
+class IDeliveryCacheProgressService final : public ServiceFramework<IDeliveryCacheProgressService> {
+public:
+    explicit IDeliveryCacheProgressService(Core::System& system_, Kernel::KReadableEvent& event_,
+                                           const DeliveryCacheProgressImpl& impl_);
+    ~IDeliveryCacheProgressService() override;
+
+private:
+    Result GetEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
+    Result GetImpl(OutLargeData<DeliveryCacheProgressImpl, BufferAttr_HipcPointer> out_impl);
+
+    Kernel::KReadableEvent& event;
+    const DeliveryCacheProgressImpl& impl;
+};
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_storage_service.cpp

@@ -0,0 +1,57 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/bcat_result.h"
+#include "core/hle/service/bcat/delivery_cache_directory_service.h"
+#include "core/hle/service/bcat/delivery_cache_file_service.h"
+#include "core/hle/service/bcat/delivery_cache_storage_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::BCAT {
+
+IDeliveryCacheStorageService::IDeliveryCacheStorageService(Core::System& system_,
+                                                           FileSys::VirtualDir root_)
+    : ServiceFramework{system_, "IDeliveryCacheStorageService"}, root(std::move(root_)) {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IDeliveryCacheStorageService::CreateFileService>, "CreateFileService"},
+        {1, C<&IDeliveryCacheStorageService::CreateDirectoryService>, "CreateDirectoryService"},
+        {2, C<&IDeliveryCacheStorageService::EnumerateDeliveryCacheDirectory>, "EnumerateDeliveryCacheDirectory"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IDeliveryCacheStorageService::~IDeliveryCacheStorageService() = default;
+
+Result IDeliveryCacheStorageService::CreateFileService(
+    OutInterface<IDeliveryCacheFileService> out_interface) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    *out_interface = std::make_shared<IDeliveryCacheFileService>(system, root);
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheStorageService::CreateDirectoryService(
+    OutInterface<IDeliveryCacheDirectoryService> out_interface) {
+    LOG_DEBUG(Service_BCAT, "called");
+
+    *out_interface = std::make_shared<IDeliveryCacheDirectoryService>(system, root);
+    R_SUCCEED();
+}
+
+Result IDeliveryCacheStorageService::EnumerateDeliveryCacheDirectory(
+    Out<s32> out_directory_count,
+    OutArray<DirectoryName, BufferAttr_HipcMapAlias> out_directories) {
+    LOG_DEBUG(Service_BCAT, "called, size={:016X}", out_directories.size());
+
+    *out_directory_count =
+        static_cast<s32>(std::min(out_directories.size(), entries.size() - next_read_index));
+    memcpy(out_directories.data(), entries.data() + next_read_index,
+           *out_directory_count * sizeof(DirectoryName));
+    next_read_index += *out_directory_count;
+    R_SUCCEED();
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/delivery_cache_storage_service.h

@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/file_sys/vfs/vfs.h"
+#include "core/hle/service/bcat/bcat_types.h"
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::BCAT {
+class IDeliveryCacheFileService;
+class IDeliveryCacheDirectoryService;
+
+class IDeliveryCacheStorageService final : public ServiceFramework<IDeliveryCacheStorageService> {
+public:
+    explicit IDeliveryCacheStorageService(Core::System& system_, FileSys::VirtualDir root_);
+    ~IDeliveryCacheStorageService() override;
+
+private:
+    Result CreateFileService(OutInterface<IDeliveryCacheFileService> out_interface);
+    Result CreateDirectoryService(OutInterface<IDeliveryCacheDirectoryService> out_interface);
+    Result EnumerateDeliveryCacheDirectory(
+        Out<s32> out_directory_count,
+        OutArray<DirectoryName, BufferAttr_HipcMapAlias> out_directories);
+
+    FileSys::VirtualDir root;
+    std::vector<DirectoryName> entries;
+    std::size_t next_read_index = 0;
+};
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/news/newly_arrived_event_holder.cpp

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/news/newly_arrived_event_holder.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::News {
+
+INewlyArrivedEventHolder::INewlyArrivedEventHolder(Core::System& system_)
+    : ServiceFramework{system_, "INewlyArrivedEventHolder"}, service_context{
+                                                                 system_,
+                                                                 "INewlyArrivedEventHolder"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&INewlyArrivedEventHolder::Get>, "Get"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+    arrived_event = service_context.CreateEvent("INewlyArrivedEventHolder::ArrivedEvent");
+}
+
+INewlyArrivedEventHolder::~INewlyArrivedEventHolder() {
+    service_context.CloseEvent(arrived_event);
+}
+
+Result INewlyArrivedEventHolder::Get(OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_INFO(Service_BCAT, "called");
+
+    *out_event = &arrived_event->GetReadableEvent();
+    R_SUCCEED();
+}
+
+} // namespace Service::News

src/core/hle/service/bcat/news/newly_arrived_event_holder.h

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Service::News {
+
+class INewlyArrivedEventHolder final : public ServiceFramework<INewlyArrivedEventHolder> {
+public:
+    explicit INewlyArrivedEventHolder(Core::System& system_);
+    ~INewlyArrivedEventHolder() override;
+
+private:
+    Result Get(OutCopyHandle<Kernel::KReadableEvent> out_event);
+
+    Kernel::KEvent* arrived_event;
+    KernelHelpers::ServiceContext service_context;
+};
+
+} // namespace Service::News

src/core/hle/service/bcat/news/news_data_service.cpp

@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/news/news_data_service.h"
+
+namespace Service::News {
+
+INewsDataService::INewsDataService(Core::System& system_)
+    : ServiceFramework{system_, "INewsDataService"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "Open"},
+        {1, nullptr, "OpenWithNewsRecordV1"},
+        {2, nullptr, "Read"},
+        {3, nullptr, "GetSize"},
+        {1001, nullptr, "OpenWithNewsRecord"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+INewsDataService::~INewsDataService() = default;
+
+} // namespace Service::News

src/core/hle/service/bcat/news/news_data_service.h

@@ -0,0 +1,20 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::News {
+
+class INewsDataService final : public ServiceFramework<INewsDataService> {
+public:
+    explicit INewsDataService(Core::System& system_);
+    ~INewsDataService() override;
+};
+
+} // namespace Service::News

src/core/hle/service/bcat/news/news_database_service.cpp

@@ -0,0 +1,35 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/news/news_database_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::News {
+
+INewsDatabaseService::INewsDatabaseService(Core::System& system_)
+    : ServiceFramework{system_, "INewsDatabaseService"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "GetListV1"},
+        {1, C<&INewsDatabaseService::Count>, "Count"},
+        {2, nullptr, "CountWithKey"},
+        {3, nullptr, "UpdateIntegerValue"},
+        {4, nullptr, "UpdateIntegerValueWithAddition"},
+        {5, nullptr, "UpdateStringValue"},
+        {1000, nullptr, "GetList"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+INewsDatabaseService::~INewsDatabaseService() = default;
+
+Result INewsDatabaseService::Count(Out<s32> out_count,
+                                   InBuffer<BufferAttr_HipcPointer> buffer_data) {
+    LOG_WARNING(Service_BCAT, "(STUBBED) called, buffer_size={}", buffer_data.size());
+    *out_count = 0;
+    R_SUCCEED();
+}
+
+} // namespace Service::News

src/core/hle/service/bcat/news/news_database_service.h

@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::News {
+
+class INewsDatabaseService final : public ServiceFramework<INewsDatabaseService> {
+public:
+    explicit INewsDatabaseService(Core::System& system_);
+    ~INewsDatabaseService() override;
+
+private:
+    Result Count(Out<s32> out_count, InBuffer<BufferAttr_HipcPointer> buffer_data);
+};
+
+} // namespace Service::News

src/core/hle/service/bcat/news/news_service.cpp

@@ -0,0 +1,46 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/news/news_service.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::News {
+
+INewsService::INewsService(Core::System& system_) : ServiceFramework{system_, "INewsService"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {10100, nullptr, "PostLocalNews"},
+        {20100, nullptr, "SetPassphrase"},
+        {30100, C<&INewsService::GetSubscriptionStatus>, "GetSubscriptionStatus"},
+        {30101, nullptr, "GetTopicList"},
+        {30110, nullptr, "Unknown30110"},
+        {30200, nullptr, "IsSystemUpdateRequired"},
+        {30201, nullptr, "Unknown30201"},
+        {30210, nullptr, "Unknown30210"},
+        {30300, nullptr, "RequestImmediateReception"},
+        {30400, nullptr, "DecodeArchiveFile"},
+        {30500, nullptr, "Unknown30500"},
+        {30900, nullptr, "Unknown30900"},
+        {30901, nullptr, "Unknown30901"},
+        {30902, nullptr, "Unknown30902"},
+        {40100, nullptr, "SetSubscriptionStatus"},
+        {40101, nullptr, "RequestAutoSubscription"},
+        {40200, nullptr, "ClearStorage"},
+        {40201, nullptr, "ClearSubscriptionStatusAll"},
+        {90100, nullptr, "GetNewsDatabaseDump"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+INewsService::~INewsService() = default;
+
+Result INewsService::GetSubscriptionStatus(Out<u32> out_status,
+                                           InBuffer<BufferAttr_HipcPointer> buffer_data) {
+    LOG_WARNING(Service_BCAT, "(STUBBED) called, buffer_size={}", buffer_data.size());
+    *out_status = 0;
+    R_SUCCEED();
+}
+
+} // namespace Service::News

src/core/hle/service/bcat/news/news_service.h

@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::News {
+
+class INewsService final : public ServiceFramework<INewsService> {
+public:
+    explicit INewsService(Core::System& system_);
+    ~INewsService() override;
+
+private:
+    Result GetSubscriptionStatus(Out<u32> out_status, InBuffer<BufferAttr_HipcPointer> buffer_data);
+};
+
+} // namespace Service::News

src/core/hle/service/bcat/news/overwrite_event_holder.cpp

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/news/overwrite_event_holder.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::News {
+
+IOverwriteEventHolder::IOverwriteEventHolder(Core::System& system_)
+    : ServiceFramework{system_, "IOverwriteEventHolder"}, service_context{system_,
+                                                                          "IOverwriteEventHolder"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IOverwriteEventHolder::Get>, "Get"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+    overwrite_event = service_context.CreateEvent("IOverwriteEventHolder::OverwriteEvent");
+}
+
+IOverwriteEventHolder::~IOverwriteEventHolder() {
+    service_context.CloseEvent(overwrite_event);
+}
+
+Result IOverwriteEventHolder::Get(OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_INFO(Service_BCAT, "called");
+
+    *out_event = &overwrite_event->GetReadableEvent();
+    R_SUCCEED();
+}
+
+} // namespace Service::News

src/core/hle/service/bcat/news/overwrite_event_holder.h

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Service::News {
+
+class IOverwriteEventHolder final : public ServiceFramework<IOverwriteEventHolder> {
+public:
+    explicit IOverwriteEventHolder(Core::System& system_);
+    ~IOverwriteEventHolder() override;
+
+private:
+    Result Get(OutCopyHandle<Kernel::KReadableEvent> out_event);
+
+    Kernel::KEvent* overwrite_event;
+    KernelHelpers::ServiceContext service_context;
+};
+
+} // namespace Service::News

src/core/hle/service/bcat/news/service_creator.cpp

@@ -0,0 +1,64 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/bcat/news/newly_arrived_event_holder.h"
+#include "core/hle/service/bcat/news/news_data_service.h"
+#include "core/hle/service/bcat/news/news_database_service.h"
+#include "core/hle/service/bcat/news/news_service.h"
+#include "core/hle/service/bcat/news/overwrite_event_holder.h"
+#include "core/hle/service/bcat/news/service_creator.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::News {
+
+IServiceCreator::IServiceCreator(Core::System& system_, u32 permissions_, const char* name_)
+    : ServiceFramework{system_, name_}, permissions{permissions_} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IServiceCreator::CreateNewsService>, "CreateNewsService"},
+        {1, C<&IServiceCreator::CreateNewlyArrivedEventHolder>, "CreateNewlyArrivedEventHolder"},
+        {2, C<&IServiceCreator::CreateNewsDataService>, "CreateNewsDataService"},
+        {3, C<&IServiceCreator::CreateNewsDatabaseService>, "CreateNewsDatabaseService"},
+        {4, C<&IServiceCreator::CreateOverwriteEventHolder>, "CreateOverwriteEventHolder"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IServiceCreator::~IServiceCreator() = default;
+
+Result IServiceCreator::CreateNewsService(OutInterface<INewsService> out_interface) {
+    LOG_INFO(Service_BCAT, "called");
+    *out_interface = std::make_shared<INewsService>(system);
+    R_SUCCEED();
+}
+
+Result IServiceCreator::CreateNewlyArrivedEventHolder(
+    OutInterface<INewlyArrivedEventHolder> out_interface) {
+    LOG_INFO(Service_BCAT, "called");
+    *out_interface = std::make_shared<INewlyArrivedEventHolder>(system);
+    R_SUCCEED();
+}
+
+Result IServiceCreator::CreateNewsDataService(OutInterface<INewsDataService> out_interface) {
+    LOG_INFO(Service_BCAT, "called");
+    *out_interface = std::make_shared<INewsDataService>(system);
+    R_SUCCEED();
+}
+
+Result IServiceCreator::CreateNewsDatabaseService(
+    OutInterface<INewsDatabaseService> out_interface) {
+    LOG_INFO(Service_BCAT, "called");
+    *out_interface = std::make_shared<INewsDatabaseService>(system);
+    R_SUCCEED();
+}
+
+Result IServiceCreator::CreateOverwriteEventHolder(
+    OutInterface<IOverwriteEventHolder> out_interface) {
+    LOG_INFO(Service_BCAT, "called");
+    *out_interface = std::make_shared<IOverwriteEventHolder>(system);
+    R_SUCCEED();
+}
+
+} // namespace Service::News

src/core/hle/service/bcat/news/service_creator.h

@@ -0,0 +1,35 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::News {
+class INewsService;
+class INewlyArrivedEventHolder;
+class INewsDataService;
+class INewsDatabaseService;
+class IOverwriteEventHolder;
+
+class IServiceCreator final : public ServiceFramework<IServiceCreator> {
+public:
+    explicit IServiceCreator(Core::System& system_, u32 permissions_, const char* name_);
+    ~IServiceCreator() override;
+
+private:
+    Result CreateNewsService(OutInterface<INewsService> out_interface);
+    Result CreateNewlyArrivedEventHolder(OutInterface<INewlyArrivedEventHolder> out_interface);
+    Result CreateNewsDataService(OutInterface<INewsDataService> out_interface);
+    Result CreateNewsDatabaseService(OutInterface<INewsDatabaseService> out_interface);
+    Result CreateOverwriteEventHolder(OutInterface<IOverwriteEventHolder> out_interface);
+
+    u32 permissions;
+};
+
+} // namespace Service::News

src/core/hle/service/bcat/service_creator.cpp

@@ -0,0 +1,62 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/service/bcat/bcat_service.h"
+#include "core/hle/service/bcat/delivery_cache_storage_service.h"
+#include "core/hle/service/bcat/service_creator.h"
+#include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/filesystem/filesystem.h"
+
+namespace Service::BCAT {
+
+std::unique_ptr<BcatBackend> CreateBackendFromSettings([[maybe_unused]] Core::System& system,
+                                                       DirectoryGetter getter) {
+    return std::make_unique<NullBcatBackend>(std::move(getter));
+}
+
+IServiceCreator::IServiceCreator(Core::System& system_, const char* name_)
+    : ServiceFramework{system_, name_}, fsc{system.GetFileSystemController()} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IServiceCreator::CreateBcatService>, "CreateBcatService"},
+        {1, C<&IServiceCreator::CreateDeliveryCacheStorageService>, "CreateDeliveryCacheStorageService"},
+        {2, C<&IServiceCreator::CreateDeliveryCacheStorageServiceWithApplicationId>, "CreateDeliveryCacheStorageServiceWithApplicationId"},
+        {3, nullptr, "CreateDeliveryCacheProgressService"},
+        {4, nullptr, "CreateDeliveryCacheProgressServiceWithApplicationId"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+
+    backend =
+        CreateBackendFromSettings(system_, [this](u64 tid) { return fsc.GetBCATDirectory(tid); });
+}
+
+IServiceCreator::~IServiceCreator() = default;
+
+Result IServiceCreator::CreateBcatService(ClientProcessId process_id,
+                                          OutInterface<IBcatService> out_interface) {
+    LOG_INFO(Service_BCAT, "called, process_id={}", process_id.pid);
+    *out_interface = std::make_shared<IBcatService>(system, *backend);
+    R_SUCCEED();
+}
+
+Result IServiceCreator::CreateDeliveryCacheStorageService(
+    ClientProcessId process_id, OutInterface<IDeliveryCacheStorageService> out_interface) {
+    LOG_INFO(Service_BCAT, "called, process_id={}", process_id.pid);
+
+    const auto title_id = system.GetApplicationProcessProgramID();
+    *out_interface =
+        std::make_shared<IDeliveryCacheStorageService>(system, fsc.GetBCATDirectory(title_id));
+    R_SUCCEED();
+}
+
+Result IServiceCreator::CreateDeliveryCacheStorageServiceWithApplicationId(
+    u64 application_id, OutInterface<IDeliveryCacheStorageService> out_interface) {
+    LOG_DEBUG(Service_BCAT, "called, application_id={:016X}", application_id);
+    *out_interface = std::make_shared<IDeliveryCacheStorageService>(
+        system, fsc.GetBCATDirectory(application_id));
+    R_SUCCEED();
+}
+
+} // namespace Service::BCAT

src/core/hle/service/bcat/service_creator.h

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::FileSystem {
+class FileSystemController;
+}
+
+namespace Service::BCAT {
+class BcatBackend;
+class IBcatService;
+class IDeliveryCacheStorageService;
+
+class IServiceCreator final : public ServiceFramework<IServiceCreator> {
+public:
+    explicit IServiceCreator(Core::System& system_, const char* name_);
+    ~IServiceCreator() override;
+
+private:
+    Result CreateBcatService(ClientProcessId process_id, OutInterface<IBcatService> out_interface);
+
+    Result CreateDeliveryCacheStorageService(
+        ClientProcessId process_id, OutInterface<IDeliveryCacheStorageService> out_interface);
+
+    Result CreateDeliveryCacheStorageServiceWithApplicationId(
+        u64 application_id, OutInterface<IDeliveryCacheStorageService> out_interface);
+
+    std::unique_ptr<BcatBackend> backend;
+    Service::FileSystem::FileSystemController& fsc;
+};
+
+} // namespace Service::BCAT

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

@@ -508,13 +508,8 @@ void IHidSystemServer::RegisterAppletResourceUserId(HLERequestContext& ctx) {
     Result result = GetResourceManager()->RegisterAppletResourceUserId(
         parameters.applet_resource_user_id, parameters.enable_input);
 
-    if (result.IsSuccess()) {
-        // result = GetResourceManager()->GetNpad()->RegisterAppletResourceUserId(
-        //     parameters.applet_resource_user_id);
-    }
-
     IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(ResultSuccess);
+    rb.Push(result);
 }
 
 void IHidSystemServer::UnregisterAppletResourceUserId(HLERequestContext& ctx) {
@@ -524,8 +519,6 @@ void IHidSystemServer::UnregisterAppletResourceUserId(HLERequestContext& ctx) {
     LOG_INFO(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
 
     GetResourceManager()->UnregisterAppletResourceUserId(applet_resource_user_id);
-    // GetResourceManager()->GetNpad()->UnregisterAppletResourceUserId(applet_resource_user_id);
-    // GetResourceManager()->GetPalma()->UnregisterAppletResourceUserId(applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);

src/core/hle/service/service.cpp

@@ -15,7 +15,7 @@
 #include "core/hle/service/aoc/aoc_u.h"
 #include "core/hle/service/apm/apm.h"
 #include "core/hle/service/audio/audio.h"
-#include "core/hle/service/bcat/bcat_module.h"
+#include "core/hle/service/bcat/bcat.h"
 #include "core/hle/service/bpc/bpc.h"
 #include "core/hle/service/btdrv/btdrv.h"
 #include "core/hle/service/btm/btm.h"

src/core/memory/cheat_engine.cpp

@@ -11,6 +11,7 @@
 #include "core/hle/kernel/k_page_table.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_process_page_table.h"
+#include "core/hle/kernel/svc_types.h"
 #include "core/hle/service/hid/hid_server.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/memory.h"
@@ -88,6 +89,20 @@ u64 StandardVmCallbacks::HidKeysDown() {
     return static_cast<u64>(press_state & HID::NpadButton::All);
 }
 
+void StandardVmCallbacks::PauseProcess() {
+    if (system.ApplicationProcess()->IsSuspended()) {
+        return;
+    }
+    system.ApplicationProcess()->SetActivity(Kernel::Svc::ProcessActivity::Paused);
+}
+
+void StandardVmCallbacks::ResumeProcess() {
+    if (!system.ApplicationProcess()->IsSuspended()) {
+        return;
+    }
+    system.ApplicationProcess()->SetActivity(Kernel::Svc::ProcessActivity::Runnable);
+}
+
 void StandardVmCallbacks::DebugLog(u8 id, u64 value) {
     LOG_INFO(CheatEngine, "Cheat triggered DebugLog: ID '{:01X}' Value '{:016X}'", id, value);
 }

src/core/memory/cheat_engine.h

@@ -30,6 +30,8 @@ public:
     void MemoryReadUnsafe(VAddr address, void* data, u64 size) override;
     void MemoryWriteUnsafe(VAddr address, const void* data, u64 size) override;
     u64 HidKeysDown() override;
+    void PauseProcess() override;
+    void ResumeProcess() override;
     void DebugLog(u8 id, u64 value) override;
     void CommandLog(std::string_view data) override;
 

src/core/memory/dmnt_cheat_vm.cpp

@@ -1205,9 +1205,9 @@ void DmntCheatVm::Execute(const CheatProcessMetadata& metadata) {
                 static_registers[rw_static_reg->static_idx] = registers[rw_static_reg->idx];
             }
         } else if (std::holds_alternative<PauseProcessOpcode>(cur_opcode.opcode)) {
-            // TODO: Pause cheat process
+            callbacks->PauseProcess();
         } else if (std::holds_alternative<ResumeProcessOpcode>(cur_opcode.opcode)) {
-            // TODO: Resume cheat process
+            callbacks->ResumeProcess();
         } else if (auto debug_log = std::get_if<DebugLogOpcode>(&cur_opcode.opcode)) {
             // Read value from memory.
             u64 log_value = 0;

src/core/memory/dmnt_cheat_vm.h

@@ -271,6 +271,9 @@ public:
 
         virtual u64 HidKeysDown() = 0;
 
+        virtual void PauseProcess() = 0;
+        virtual void ResumeProcess() = 0;
+
         virtual void DebugLog(u8 id, u64 value) = 0;
         virtual void CommandLog(std::string_view data) = 0;
     };

src/hid_core/resource_manager.cpp

@@ -314,6 +314,7 @@ void ResourceManager::UnregisterAppletResourceUserId(u64 aruid) {
     std::scoped_lock lock{shared_mutex};
     applet_resource->UnregisterAppletResourceUserId(aruid);
     npad->UnregisterAppletResourceUserId(aruid);
+    // palma->UnregisterAppletResourceUserId(aruid);
 }
 
 Result ResourceManager::GetSharedMemoryHandle(Kernel::KSharedMemory** out_handle, u64 aruid) {
@@ -324,6 +325,7 @@ Result ResourceManager::GetSharedMemoryHandle(Kernel::KSharedMemory** out_handle
 void ResourceManager::FreeAppletResourceId(u64 aruid) {
     std::scoped_lock lock{shared_mutex};
     applet_resource->FreeAppletResourceId(aruid);
+    npad->FreeAppletResourceId(aruid);
 }
 
 void ResourceManager::EnableInput(u64 aruid, bool is_enabled) {

src/hid_core/resources/npad/npad.cpp

@@ -117,6 +117,10 @@ Result NPad::ActivateNpadResource(u64 aruid) {
     return npad_resource.Activate(aruid);
 }
 
+void NPad::FreeAppletResourceId(u64 aruid) {
+    return npad_resource.FreeAppletResourceId(aruid);
+}
+
 void NPad::ControllerUpdate(Core::HID::ControllerTriggerType type, std::size_t controller_idx) {
     if (type == Core::HID::ControllerTriggerType::All) {
         ControllerUpdate(Core::HID::ControllerTriggerType::Connected, controller_idx);

src/hid_core/resources/npad/npad.h

@@ -58,6 +58,8 @@ public:
     Result ActivateNpadResource();
     Result ActivateNpadResource(u64 aruid);
 
+    void FreeAppletResourceId(u64 aruid);
+
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing);
 

src/hid_core/resources/npad/npad_resource.cpp

@@ -67,7 +67,7 @@ Result NPadResource::RegisterAppletResourceUserId(u64 aruid) {
 void NPadResource::UnregisterAppletResourceUserId(u64 aruid) {
     const u64 aruid_index = GetIndexFromAruid(aruid);
 
-    DestroyStyleSetUpdateEvents(aruid);
+    FreeAppletResourceId(aruid);
     if (aruid_index < AruidIndexMax) {
         state[aruid_index] = {};
         registration_list.flag[aruid_index] = RegistrationStatus::PendingDelete;
@@ -80,14 +80,18 @@ void NPadResource::UnregisterAppletResourceUserId(u64 aruid) {
     }
 }
 
-void NPadResource::DestroyStyleSetUpdateEvents(u64 aruid) {
+void NPadResource::FreeAppletResourceId(u64 aruid) {
     const u64 aruid_index = GetIndexFromAruid(aruid);
 
     if (aruid_index >= AruidIndexMax) {
         return;
     }
 
-    for (auto& controller_state : state[aruid_index].controller_state) {
+    auto& aruid_data = state[aruid_index];
+
+    aruid_data.flag.is_assigned.Assign(false);
+
+    for (auto& controller_state : aruid_data.controller_state) {
         if (!controller_state.is_styleset_update_event_initialized) {
             continue;
         }

src/hid_core/resources/npad/npad_resource.h

@@ -55,7 +55,7 @@ public:
     Result RegisterAppletResourceUserId(u64 aruid);
     void UnregisterAppletResourceUserId(u64 aruid);
 
-    void DestroyStyleSetUpdateEvents(u64 aruid);
+    void FreeAppletResourceId(u64 aruid);
 
     Result Activate(u64 aruid);
     Result Activate();

src/video_core/CMakeLists.txt

@@ -390,4 +390,8 @@ if (ANDROID AND ARCHITECTURE_arm64)
     target_link_libraries(video_core PRIVATE adrenotools)
 endif()
 
+if (ARCHITECTURE_arm64)
+    target_link_libraries(video_core PRIVATE sse2neon)
+endif()
+
 create_target_directory_groups(video_core)

src/video_core/host1x/vic.cpp

@@ -12,7 +12,10 @@
 #include <immintrin.h>
 #endif
 #elif defined(ARCHITECTURE_arm64)
-#include <arm_neon.h>
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wimplicit-int-conversion"
+#include <sse2neon.h>
+#pragma GCC diagnostic pop
 #endif
 
 extern "C" {
@@ -43,8 +46,6 @@ extern "C" {
 
 #if defined(ARCHITECTURE_x86_64)
 #include "common/x64/cpu_detect.h"
-#elif defined(ARCHITECTURE_arm64)
-// Some ARM64 detect
 #endif
 
 namespace Tegra::Host1x {
@@ -244,7 +245,9 @@ void Vic::ReadProgressiveY8__V8U8_N420(const SlotStruct& slot,
         DecodeLinear();
         return;
     }
+#endif
 
+#if defined(ARCHITECTURE_x86_64) || defined(ARCHITECTURE_arm64)
     const auto alpha =
         _mm_slli_epi64(_mm_set1_epi64x(static_cast<s64>(slot.config.planar_alpha.Value())), 48);
 
@@ -379,8 +382,6 @@ void Vic::ReadProgressiveY8__V8U8_N420(const SlotStruct& slot,
             // clang-format on
         }
     }
-#elif defined(ARCHITECTURE_arm64)
-    DecodeLinear();
 #else
     DecodeLinear();
 #endif
@@ -624,7 +625,9 @@ void Vic::Blend(const ConfigStruct& config, const SlotStruct& slot) {
             DecodeLinear();
             return;
         }
+#endif
 
+#if defined(ARCHITECTURE_x86_64) || defined(ARCHITECTURE_arm64)
         // Fill the columns, e.g
         // c0 = [00 00 00 00] [r2c0 r2c0 r2c0 r2c0] [r1c0 r1c0 r1c0 r1c0] [r0c0 r0c0 r0c0 r0c0]
 
@@ -767,8 +770,6 @@ void Vic::Blend(const ConfigStruct& config, const SlotStruct& slot) {
             }
         }
         // clang-format on
-#elif defined(ARCHITECTURE_arm64)
-        DecodeLinear();
 #else
         DecodeLinear();
 #endif
@@ -820,7 +821,9 @@ void Vic::WriteY8__V8U8_N420(const OutputSurfaceConfig& output_surface_config) {
             DecodeLinear(out_luma, out_chroma);
             return;
         }
+#endif
 
+#if defined(ARCHITECTURE_x86_64) || defined(ARCHITECTURE_arm64)
         // luma_mask   = [00 00] [00 00] [00 00] [FF FF] [00 00] [00 00] [00 00] [FF FF]
         const auto luma_mask = _mm_set_epi16(0, 0, 0, -1, 0, 0, 0, -1);
 
@@ -947,8 +950,6 @@ void Vic::WriteY8__V8U8_N420(const OutputSurfaceConfig& output_surface_config) {
                 // clang-format on
             }
         }
-#elif defined(ARCHITECTURE_arm64)
-        DecodeLinear(out_luma, out_chroma);
 #else
         DecodeLinear(out_luma, out_chroma);
 #endif
@@ -1079,7 +1080,9 @@ void Vic::WriteABGR(const OutputSurfaceConfig& output_surface_config) {
             DecodeLinear(out_buffer);
             return;
         }
+#endif
 
+#if defined(ARCHITECTURE_x86_64) || defined(ARCHITECTURE_arm64)
         for (u32 y = 0; y < surface_height; y++) {
             const auto src = y * surface_stride;
             const auto dst = y * out_luma_stride;
@@ -1144,8 +1147,6 @@ void Vic::WriteABGR(const OutputSurfaceConfig& output_surface_config) {
                 // clang-format on
             }
         }
-#elif defined(ARCHITECTURE_arm64)
-        DecodeLinear(out_buffer);
 #else
         DecodeLinear(out_buffer);
 #endif

src/yuzu/multiplayer/lobby_p.h

@@ -202,12 +202,19 @@ public:
         case Qt::ForegroundRole: {
             auto members = data(MemberListRole).toList();
             auto max_players = data(MaxPlayerRole).toInt();
+            const QColor room_full_color(255, 48, 32);
+            const QColor room_almost_full_color(255, 140, 32);
+            const QColor room_has_players_color(32, 160, 32);
+            const QColor room_empty_color(128, 128, 128);
+
             if (members.size() >= max_players) {
-                return QBrush(QColor(255, 48, 32));
+                return QBrush(room_full_color);
             } else if (members.size() == (max_players - 1)) {
-                return QBrush(QColor(255, 140, 32));
+                return QBrush(room_almost_full_color);
             } else if (members.size() == 0) {
-                return QBrush(QColor(128, 128, 128));
+                return QBrush(room_empty_color);
+            } else if (members.size() > 0 && members.size() < (max_players - 1)) {
+                return QBrush(room_has_players_color);
             }
             // FIXME: How to return a value that tells Qt not to modify the
             // text color from the default (as if Qt::ForegroundRole wasn't overridden)?