diff options
Diffstat (limited to 'src/core/hle/kernel')
| -rw-r--r-- | src/core/hle/kernel/hle_ipc.cpp | 30 | ||||
| -rw-r--r-- | src/core/hle/kernel/hle_ipc.h | 55 | ||||
| -rw-r--r-- | src/core/hle/kernel/k_process.cpp | 4 | ||||
| -rw-r--r-- | src/core/hle/kernel/k_thread.cpp | 20 | ||||
| -rw-r--r-- | src/core/hle/kernel/k_thread.h | 4 | ||||
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 207 | ||||
| -rw-r--r-- | src/core/hle/kernel/kernel.h | 69 | ||||
| -rw-r--r-- | src/core/hle/kernel/service_thread.cpp | 206 | ||||
| -rw-r--r-- | src/core/hle/kernel/service_thread.h | 29 | ||||
| -rw-r--r-- | src/core/hle/kernel/svc/svc_info.cpp | 5 | ||||
| -rw-r--r-- | src/core/hle/kernel/svc/svc_port.cpp | 51 |
11 files changed, 201 insertions, 479 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp index 494151eef..876fbbe53 100644 --- a/src/core/hle/kernel/hle_ipc.cpp +++ b/src/core/hle/kernel/hle_ipc.cpp @@ -21,36 +21,18 @@ #include "core/hle/kernel/k_server_session.h" #include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/service_thread.h" #include "core/memory.h" namespace Kernel { -SessionRequestHandler::SessionRequestHandler(KernelCore& kernel_, const char* service_name_, - ServiceThreadType thread_type) - : kernel{kernel_}, service_thread{thread_type == ServiceThreadType::CreateNew - ? kernel.CreateServiceThread(service_name_) - : kernel.GetDefaultServiceThread()} {} +SessionRequestHandler::SessionRequestHandler(KernelCore& kernel_, const char* service_name_) + : kernel{kernel_} {} -SessionRequestHandler::~SessionRequestHandler() { - kernel.ReleaseServiceThread(service_thread); -} - -void SessionRequestHandler::AcceptSession(KServerPort* server_port) { - auto* server_session = server_port->AcceptSession(); - ASSERT(server_session != nullptr); - - RegisterSession(server_session, std::make_shared<SessionRequestManager>(kernel)); -} - -void SessionRequestHandler::RegisterSession(KServerSession* server_session, - std::shared_ptr<SessionRequestManager> manager) { - manager->SetSessionHandler(shared_from_this()); - service_thread.RegisterServerSession(server_session, manager); - server_session->Close(); -} +SessionRequestHandler::~SessionRequestHandler() = default; -SessionRequestManager::SessionRequestManager(KernelCore& kernel_) : kernel{kernel_} {} +SessionRequestManager::SessionRequestManager(KernelCore& kernel_, + Service::ServerManager& server_manager_) + : kernel{kernel_}, server_manager{server_manager_} {} SessionRequestManager::~SessionRequestManager() = default; diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h index 5bf4f171b..b4364f984 100644 --- a/src/core/hle/kernel/hle_ipc.h +++ b/src/core/hle/kernel/hle_ipc.h @@ -31,12 +31,8 @@ class ResponseBuilder; namespace Service { class ServiceFrameworkBase; -} - -enum class ServiceThreadType { - Default, - CreateNew, -}; +class ServerManager; +} // namespace Service namespace Kernel { @@ -53,9 +49,6 @@ class KThread; class KReadableEvent; class KSession; class SessionRequestManager; -class ServiceThread; - -enum class ThreadWakeupReason; /** * Interface implemented by HLE Session handlers. @@ -64,8 +57,7 @@ enum class ThreadWakeupReason; */ class SessionRequestHandler : public std::enable_shared_from_this<SessionRequestHandler> { public: - SessionRequestHandler(KernelCore& kernel_, const char* service_name_, - ServiceThreadType thread_type); + SessionRequestHandler(KernelCore& kernel_, const char* service_name_); virtual ~SessionRequestHandler(); /** @@ -79,17 +71,8 @@ public: virtual Result HandleSyncRequest(Kernel::KServerSession& session, Kernel::HLERequestContext& context) = 0; - void AcceptSession(KServerPort* server_port); - void RegisterSession(KServerSession* server_session, - std::shared_ptr<SessionRequestManager> manager); - - ServiceThread& GetServiceThread() const { - return service_thread; - } - protected: KernelCore& kernel; - ServiceThread& service_thread; }; using SessionRequestHandlerWeakPtr = std::weak_ptr<SessionRequestHandler>; @@ -102,7 +85,7 @@ using SessionRequestHandlerPtr = std::shared_ptr<SessionRequestHandler>; */ class SessionRequestManager final { public: - explicit SessionRequestManager(KernelCore& kernel); + explicit SessionRequestManager(KernelCore& kernel, Service::ServerManager& server_manager); ~SessionRequestManager(); bool IsDomain() const { @@ -155,23 +138,36 @@ public: session_handler = std::move(handler); } - ServiceThread& GetServiceThread() const { - return session_handler->GetServiceThread(); - } - bool HasSessionRequestHandler(const HLERequestContext& context) const; Result HandleDomainSyncRequest(KServerSession* server_session, HLERequestContext& context); Result CompleteSyncRequest(KServerSession* server_session, HLERequestContext& context); + Service::ServerManager& GetServerManager() { + return server_manager; + } + + // TODO: remove this when sm: is implemented with the proper IUserInterface + // abstraction, creating a new C++ handler object for each session: + + bool GetIsInitializedForSm() const { + return is_initialized_for_sm; + } + + void SetIsInitializedForSm() { + is_initialized_for_sm = true; + } + private: bool convert_to_domain{}; bool is_domain{}; + bool is_initialized_for_sm{}; SessionRequestHandlerPtr session_handler; std::vector<SessionRequestHandlerPtr> domain_handlers; private: KernelCore& kernel; + Service::ServerManager& server_manager; }; /** @@ -374,6 +370,14 @@ public: return manager.lock(); } + bool GetIsDeferred() const { + return is_deferred; + } + + void SetIsDeferred(bool is_deferred_ = true) { + is_deferred = is_deferred_; + } + private: friend class IPC::ResponseBuilder; @@ -408,6 +412,7 @@ private: u32 domain_offset{}; std::weak_ptr<SessionRequestManager> manager{}; + bool is_deferred{false}; KernelCore& kernel; Core::Memory::Memory& memory; diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp index 0e4283a0c..d9c1a0eb3 100644 --- a/src/core/hle/kernel/k_process.cpp +++ b/src/core/hle/kernel/k_process.cpp @@ -119,7 +119,6 @@ void KProcess::DecrementRunningThreadCount() { if (const auto prev = num_running_threads--; prev == 1) { // TODO(bunnei): Process termination to be implemented when multiprocess is supported. - UNIMPLEMENTED_MSG("KProcess termination is not implemennted!"); } } @@ -357,9 +356,6 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std: system_resource_size = metadata.GetSystemResourceSize(); image_size = code_size; - // We currently do not support process-specific system resource - UNIMPLEMENTED_IF(system_resource_size != 0); - KScopedResourceReservation memory_reservation( resource_limit, LimitableResource::PhysicalMemoryMax, code_size + system_resource_size); if (!memory_reservation.Succeeded()) { diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp index 2d3da9d66..599d05947 100644 --- a/src/core/hle/kernel/k_thread.cpp +++ b/src/core/hle/kernel/k_thread.cpp @@ -29,6 +29,7 @@ #include "core/hle/kernel/k_thread_queue.h" #include "core/hle/kernel/k_worker_task_manager.h" #include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/svc.h" #include "core/hle/kernel/svc_results.h" #include "core/hle/kernel/svc_types.h" #include "core/hle/result.h" @@ -298,6 +299,25 @@ Result KThread::InitializeUserThread(Core::System& system, KThread* thread, KThr ThreadType::User, system.GetCpuManager().GetGuestThreadFunc())); } +Result KThread::InitializeServiceThread(Core::System& system, KThread* thread, + std::function<void()>&& func, s32 prio, s32 virt_core, + KProcess* owner) { + system.Kernel().GlobalSchedulerContext().AddThread(thread); + std::function<void()> func2{[&system, func{std::move(func)}] { + // Similar to UserModeThreadStarter. + system.Kernel().CurrentScheduler()->OnThreadStart(); + + // Run the guest function. + func(); + + // Exit. + Svc::ExitThread(system); + }}; + + R_RETURN(InitializeThread(thread, {}, {}, {}, prio, virt_core, owner, ThreadType::HighPriority, + std::move(func2))); +} + void KThread::PostDestroy(uintptr_t arg) { KProcess* owner = reinterpret_cast<KProcess*>(arg & ~1ULL); const bool resource_limit_release_hint = (arg & 1); diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index ca82ce3b6..a04de21bc 100644 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -434,6 +434,10 @@ public: VAddr user_stack_top, s32 prio, s32 virt_core, KProcess* owner); + [[nodiscard]] static Result InitializeServiceThread(Core::System& system, KThread* thread, + std::function<void()>&& thread_func, + s32 prio, s32 virt_core, KProcess* owner); + public: struct StackParameters { u8 svc_permission[0x10]; diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 2ff253183..ce94d3605 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -34,14 +34,15 @@ #include "core/hle/kernel/k_process.h" #include "core/hle/kernel/k_resource_limit.h" #include "core/hle/kernel/k_scheduler.h" +#include "core/hle/kernel/k_scoped_resource_reservation.h" #include "core/hle/kernel/k_shared_memory.h" #include "core/hle/kernel/k_system_resource.h" #include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/k_worker_task_manager.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/physical_core.h" -#include "core/hle/kernel/service_thread.h" #include "core/hle/result.h" +#include "core/hle/service/server_manager.h" #include "core/hle/service/sm/sm.h" #include "core/memory.h" @@ -55,9 +56,7 @@ struct KernelCore::Impl { static constexpr size_t BlockInfoSlabHeapSize = 4000; static constexpr size_t ReservedDynamicPageCount = 64; - explicit Impl(Core::System& system_, KernelCore& kernel_) - : service_threads_manager{1, "ServiceThreadsManager"}, - service_thread_barrier{2}, system{system_} {} + explicit Impl(Core::System& system_, KernelCore& kernel_) : system{system_} {} void SetMulticore(bool is_multi) { is_multicore = is_multi; @@ -98,8 +97,6 @@ struct KernelCore::Impl { InitializeHackSharedMemory(); RegisterHostThread(nullptr); - - default_service_thread = &CreateServiceThread(kernel, "DefaultServiceThread"); } void InitializeCores() { @@ -140,11 +137,6 @@ struct KernelCore::Impl { preemption_event = nullptr; - for (auto& iter : named_ports) { - iter.second->Close(); - } - named_ports.clear(); - exclusive_monitor.reset(); // Cleanup persistent kernel objects @@ -207,8 +199,9 @@ struct KernelCore::Impl { } void CloseServices() { - // Ensures all service threads gracefully shutdown. - ClearServiceThreads(); + // Ensures all servers gracefully shutdown. + std::scoped_lock lk{server_lock}; + server_managers.clear(); } void InitializePhysicalCores() { @@ -761,55 +754,6 @@ struct KernelCore::Impl { "HidBus:SharedMemory"); } - KClientPort* CreateNamedServicePort(std::string name) { - auto search = service_interface_factory.find(name); - if (search == service_interface_factory.end()) { - UNIMPLEMENTED(); - return {}; - } - - return &search->second(system.ServiceManager(), system); - } - - void RegisterNamedServiceHandler(std::string name, KServerPort* server_port) { - auto search = service_interface_handlers.find(name); - if (search == service_interface_handlers.end()) { - return; - } - - search->second(system.ServiceManager(), server_port); - } - - Kernel::ServiceThread& CreateServiceThread(KernelCore& kernel, const std::string& name) { - auto* ptr = new ServiceThread(kernel, name); - - service_threads_manager.QueueWork( - [this, ptr]() { service_threads.emplace(ptr, std::unique_ptr<ServiceThread>(ptr)); }); - - return *ptr; - } - - void ReleaseServiceThread(Kernel::ServiceThread& service_thread) { - auto* ptr = &service_thread; - - if (ptr == default_service_thread) { - // Nothing to do here, the service is using default_service_thread, which will be - // released on shutdown. - return; - } - - service_threads_manager.QueueWork([this, ptr]() { service_threads.erase(ptr); }); - } - - void ClearServiceThreads() { - service_threads_manager.QueueWork([this] { - service_threads.clear(); - default_service_thread = nullptr; - service_thread_barrier.Sync(); - }); - service_thread_barrier.Sync(); - } - std::mutex registered_objects_lock; std::mutex registered_in_use_objects_lock; @@ -839,14 +783,12 @@ struct KernelCore::Impl { std::unique_ptr<KObjectNameGlobalData> object_name_global_data; - /// Map of named ports managed by the kernel, which can be retrieved using - /// the ConnectToPort SVC. - std::unordered_map<std::string, ServiceInterfaceFactory> service_interface_factory; - std::unordered_map<std::string, ServiceInterfaceHandlerFn> service_interface_handlers; - NamedPortTable named_ports; std::unordered_set<KAutoObject*> registered_objects; std::unordered_set<KAutoObject*> registered_in_use_objects; + std::mutex server_lock; + std::vector<std::unique_ptr<Service::ServerManager>> server_managers; + std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor; std::array<std::unique_ptr<Kernel::PhysicalCore>, Core::Hardware::NUM_CPU_CORES> cores; @@ -881,12 +823,6 @@ struct KernelCore::Impl { // Memory layout std::unique_ptr<KMemoryLayout> memory_layout; - // Threads used for services - std::unordered_map<ServiceThread*, std::unique_ptr<ServiceThread>> service_threads; - ServiceThread* default_service_thread{}; - Common::ThreadWorker service_threads_manager; - Common::Barrier service_thread_barrier; - std::array<KThread*, Core::Hardware::NUM_CPU_CORES> shutdown_threads{}; std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{}; @@ -1050,23 +986,6 @@ void KernelCore::PrepareReschedule(std::size_t id) { // TODO: Reimplement, this } -void KernelCore::RegisterNamedService(std::string name, ServiceInterfaceFactory&& factory) { - impl->service_interface_factory.emplace(std::move(name), factory); -} - -void KernelCore::RegisterInterfaceForNamedService(std::string name, - ServiceInterfaceHandlerFn&& handler) { - impl->service_interface_handlers.emplace(std::move(name), handler); -} - -KClientPort* KernelCore::CreateNamedServicePort(std::string name) { - return impl->CreateNamedServicePort(std::move(name)); -} - -void KernelCore::RegisterNamedServiceHandler(std::string name, KServerPort* server_port) { - impl->RegisterNamedServiceHandler(std::move(name), server_port); -} - void KernelCore::RegisterKernelObject(KAutoObject* object) { std::scoped_lock lk{impl->registered_objects_lock}; impl->registered_objects.insert(object); @@ -1087,8 +1006,19 @@ void KernelCore::UnregisterInUseObject(KAutoObject* object) { impl->registered_in_use_objects.erase(object); } -bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const { - return port != impl->named_ports.cend(); +void KernelCore::RunServer(std::unique_ptr<Service::ServerManager>&& server_manager) { + auto* manager = server_manager.get(); + + { + std::scoped_lock lk{impl->server_lock}; + if (impl->is_shutting_down) { + return; + } + + impl->server_managers.emplace_back(std::move(server_manager)); + } + + manager->LoopProcess(); } u32 KernelCore::CreateNewObjectID() { @@ -1127,6 +1057,87 @@ void KernelCore::RegisterHostThread(KThread* existing_thread) { } } +static std::jthread RunHostThreadFunc(KernelCore& kernel, KProcess* process, + std::string&& thread_name, std::function<void()>&& func) { + // Reserve a new thread from the process resource limit. + KScopedResourceReservation thread_reservation(process, LimitableResource::ThreadCountMax); + ASSERT(thread_reservation.Succeeded()); + + // Initialize the thread. + KThread* thread = KThread::Create(kernel); + ASSERT(R_SUCCEEDED(KThread::InitializeDummyThread(thread, process))); + + // Commit the thread reservation. + thread_reservation.Commit(); + + return std::jthread( + [&kernel, thread, thread_name{std::move(thread_name)}, func{std::move(func)}] { + // Set the thread name. + Common::SetCurrentThreadName(thread_name.c_str()); + + // Register the thread. + kernel.RegisterHostThread(thread); + + // Run the callback. + func(); + + // Close the thread. + // This will free the process if it is the last reference. + thread->Close(); + }); +} + +std::jthread KernelCore::RunOnHostCoreProcess(std::string&& process_name, + std::function<void()> func) { + // Make a new process. + KProcess* process = KProcess::Create(*this); + ASSERT(R_SUCCEEDED(KProcess::Initialize(process, System(), "", KProcess::ProcessType::Userland, + GetSystemResourceLimit()))); + + // Ensure that we don't hold onto any extra references. + SCOPE_EXIT({ process->Close(); }); + + // Run the host thread. + return RunHostThreadFunc(*this, process, std::move(process_name), std::move(func)); +} + +std::jthread KernelCore::RunOnHostCoreThread(std::string&& thread_name, + std::function<void()> func) { + // Get the current process. + KProcess* process = GetCurrentProcessPointer(*this); + + // Run the host thread. + return RunHostThreadFunc(*this, process, std::move(thread_name), std::move(func)); +} + +void KernelCore::RunOnGuestCoreProcess(std::string&& process_name, std::function<void()> func) { + constexpr s32 ServiceThreadPriority = 16; + constexpr s32 ServiceThreadCore = 3; + + // Make a new process. + KProcess* process = KProcess::Create(*this); + ASSERT(R_SUCCEEDED(KProcess::Initialize(process, System(), "", KProcess::ProcessType::Userland, + GetSystemResourceLimit()))); + + // Ensure that we don't hold onto any extra references. + SCOPE_EXIT({ process->Close(); }); + + // Reserve a new thread from the process resource limit. + KScopedResourceReservation thread_reservation(process, LimitableResource::ThreadCountMax); + ASSERT(thread_reservation.Succeeded()); + + // Initialize the thread. + KThread* thread = KThread::Create(*this); + ASSERT(R_SUCCEEDED(KThread::InitializeServiceThread( + System(), thread, std::move(func), ServiceThreadPriority, ServiceThreadCore, process))); + + // Commit the thread reservation. + thread_reservation.Commit(); + + // Begin running the thread. + ASSERT(R_SUCCEEDED(thread->Run())); +} + u32 KernelCore::GetCurrentHostThreadID() const { return impl->GetCurrentHostThreadID(); } @@ -1271,18 +1282,6 @@ void KernelCore::ExitSVCProfile() { MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[CurrentPhysicalCoreIndex()]); } -Kernel::ServiceThread& KernelCore::CreateServiceThread(const std::string& name) { - return impl->CreateServiceThread(*this, name); -} - -Kernel::ServiceThread& KernelCore::GetDefaultServiceThread() const { - return *impl->default_service_thread; -} - -void KernelCore::ReleaseServiceThread(Kernel::ServiceThread& service_thread) { - impl->ReleaseServiceThread(service_thread); -} - Init::KSlabResourceCounts& KernelCore::SlabResourceCounts() { return impl->slab_resource_counts; } diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 6e0668f7f..4449f6949 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -9,6 +9,8 @@ #include <string> #include <unordered_map> #include <vector> + +#include "common/polyfill_thread.h" #include "core/hardware_properties.h" #include "core/hle/kernel/k_auto_object.h" #include "core/hle/kernel/k_slab_heap.h" @@ -24,6 +26,10 @@ class CoreTiming; struct EventType; } // namespace Core::Timing +namespace Service { +class ServerManager; +} + namespace Service::SM { class ServiceManager; } @@ -65,13 +71,6 @@ class KTransferMemory; class KWorkerTaskManager; class KCodeMemory; class PhysicalCore; -class ServiceThread; -class Synchronization; - -using ServiceInterfaceFactory = - std::function<KClientPort&(Service::SM::ServiceManager&, Core::System&)>; - -using ServiceInterfaceHandlerFn = std::function<void(Service::SM::ServiceManager&, KServerPort*)>; namespace Init { struct KSlabResourceCounts; @@ -80,15 +79,8 @@ struct KSlabResourceCounts; template <typename T> class KSlabHeap; -using EmuThreadHandle = uintptr_t; -constexpr EmuThreadHandle EmuThreadHandleInvalid{}; -constexpr EmuThreadHandle EmuThreadHandleReserved{1ULL << 63}; - /// Represents a single instance of the kernel. class KernelCore { -private: - using NamedPortTable = std::unordered_map<std::string, KClientPort*>; - public: /// Constructs an instance of the kernel using the given System /// instance as a context for any necessary system-related state, @@ -196,18 +188,6 @@ public: void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size); - /// Registers a named HLE service, passing a factory used to open a port to that service. - void RegisterNamedService(std::string name, ServiceInterfaceFactory&& factory); - - /// Registers a setup function for the named HLE service. - void RegisterInterfaceForNamedService(std::string name, ServiceInterfaceHandlerFn&& handler); - - /// Opens a port to a service previously registered with RegisterNamedService. - KClientPort* CreateNamedServicePort(std::string name); - - /// Accepts a session on a port created by CreateNamedServicePort. - void RegisterNamedServiceHandler(std::string name, KServerPort* server_port); - /// Registers all kernel objects with the global emulation state, this is purely for tracking /// leaks after emulation has been shutdown. void RegisterKernelObject(KAutoObject* object); @@ -224,8 +204,8 @@ public: /// destroyed during the current emulation session. void UnregisterInUseObject(KAutoObject* object); - /// Determines whether or not the given port is a valid named port. - bool IsValidNamedPort(NamedPortTable::const_iterator port) const; + // Runs the given server manager until shutdown. + void RunServer(std::unique_ptr<Service::ServerManager>&& server_manager); /// Gets the current host_thread/guest_thread pointer. KThread* GetCurrentEmuThread() const; @@ -242,6 +222,12 @@ public: /// Register the current thread as a non CPU core thread. void RegisterHostThread(KThread* existing_thread = nullptr); + void RunOnGuestCoreProcess(std::string&& process_name, std::function<void()> func); + + std::jthread RunOnHostCoreProcess(std::string&& process_name, std::function<void()> func); + + std::jthread RunOnHostCoreThread(std::string&& thread_name, std::function<void()> func); + /// Gets global data for KObjectName. KObjectNameGlobalData& ObjectNameGlobalData(); @@ -310,33 +296,6 @@ public: void ExitSVCProfile(); - /** - * Creates a host thread to execute HLE service requests, which are used to execute service - * routines asynchronously. While these are allocated per ServerSession, these need to be owned - * and managed outside of ServerSession to avoid a circular dependency. In general, most - * services can just use the default service thread, and not need their own host service thread. - * See GetDefaultServiceThread. - * @param name String name for the ServerSession creating this thread, used for debug - * purposes. - * @returns A reference to the newly created service thread. - */ - Kernel::ServiceThread& CreateServiceThread(const std::string& name); - - /** - * Gets the default host service thread, which executes HLE service requests. Unless service - * requests need to block on the host, the default service thread should be used in favor of - * creating a new service thread. - * @returns A reference to the default service thread. - */ - Kernel::ServiceThread& GetDefaultServiceThread() const; - - /** - * Releases a HLE service thread, instructing KernelCore to free it. This should be called when - * the ServerSession associated with the thread is destroyed. - * @param service_thread Service thread to release. - */ - void ReleaseServiceThread(Kernel::ServiceThread& service_thread); - /// Workaround for single-core mode when preempting threads while idle. bool IsPhantomModeForSingleCore() const; void SetIsPhantomModeForSingleCore(bool value); diff --git a/src/core/hle/kernel/service_thread.cpp b/src/core/hle/kernel/service_thread.cpp deleted file mode 100644 index 38afa720b..000000000 --- a/src/core/hle/kernel/service_thread.cpp +++ /dev/null @@ -1,206 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <functional> -#include <map> -#include <mutex> -#include <thread> -#include <vector> - -#include "common/polyfill_thread.h" -#include "common/scope_exit.h" -#include "common/thread.h" -#include "core/hle/ipc_helpers.h" -#include "core/hle/kernel/hle_ipc.h" -#include "core/hle/kernel/k_event.h" -#include "core/hle/kernel/k_scoped_resource_reservation.h" -#include "core/hle/kernel/k_session.h" -#include "core/hle/kernel/k_thread.h" -#include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/service_thread.h" - -namespace Kernel { - -class ServiceThread::Impl final { -public: - explicit Impl(KernelCore& kernel, const std::string& service_name); - ~Impl(); - - void WaitAndProcessImpl(); - void SessionClosed(KServerSession* server_session, - std::shared_ptr<SessionRequestManager> manager); - void LoopProcess(); - - void RegisterServerSession(KServerSession* session, - std::shared_ptr<SessionRequestManager> manager); - -private: - KernelCore& kernel; - const std::string m_service_name; - - std::jthread m_host_thread{}; - std::mutex m_session_mutex{}; - std::map<KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions{}; - KEvent* m_wakeup_event{}; - KThread* m_thread{}; - std::atomic<bool> m_shutdown_requested{}; -}; - -void ServiceThread::Impl::WaitAndProcessImpl() { - // Create local list of waitable sessions. - std::vector<KSynchronizationObject*> objs; - std::vector<std::shared_ptr<SessionRequestManager>> managers; - - { - // Lock to get the set. - std::scoped_lock lk{m_session_mutex}; - - // Reserve the needed quantity. - objs.reserve(m_sessions.size() + 1); - managers.reserve(m_sessions.size()); - - // Copy to our local list. - for (const auto& [session, manager] : m_sessions) { - objs.push_back(session); - managers.push_back(manager); - } - - // Insert the wakeup event at the end. - objs.push_back(&m_wakeup_event->GetReadableEvent()); - } - - // Wait on the list of sessions. - s32 index{-1}; - Result rc = KSynchronizationObject::Wait(kernel, &index, objs.data(), - static_cast<s32>(objs.size()), -1); - ASSERT(!rc.IsFailure()); - - // If this was the wakeup event, clear it and finish. - if (index >= static_cast<s64>(objs.size() - 1)) { - m_wakeup_event->Clear(); - return; - } - - // This event is from a server session. - auto* server_session = static_cast<KServerSession*>(objs[index]); - auto& manager = managers[index]; - - // Fetch the HLE request context. - std::shared_ptr<HLERequestContext> context; - rc = server_session->ReceiveRequest(&context, manager); - - // If the session was closed, handle that. - if (rc == ResultSessionClosed) { - SessionClosed(server_session, manager); - - // Finish. - return; - } - - // TODO: handle other cases - ASSERT(rc == ResultSuccess); - - // Perform the request. - Result service_rc = manager->CompleteSyncRequest(server_session, *context); - - // Reply to the client. - rc = server_session->SendReplyHLE(); - - if (rc == ResultSessionClosed || service_rc == IPC::ERR_REMOTE_PROCESS_DEAD) { - SessionClosed(server_session, manager); - return; - } - - // TODO: handle other cases - ASSERT(rc == ResultSuccess); - ASSERT(service_rc == ResultSuccess); -} - -void ServiceThread::Impl::SessionClosed(KServerSession* server_session, - std::shared_ptr<SessionRequestManager> manager) { - { - // Lock to get the set. - std::scoped_lock lk{m_session_mutex}; - - // Erase the session. - ASSERT(m_sessions.erase(server_session) == 1); - } - - // Close our reference to the server session. - server_session->Close(); -} - -void ServiceThread::Impl::LoopProcess() { - Common::SetCurrentThreadName(m_service_name.c_str()); - - kernel.RegisterHostThread(m_thread); - - while (!m_shutdown_requested.load()) { - WaitAndProcessImpl(); - } -} - -void ServiceThread::Impl::RegisterServerSession(KServerSession* server_session, - std::shared_ptr<SessionRequestManager> manager) { - // Open the server session. - server_session->Open(); - - { - // Lock to get the set. - std::scoped_lock lk{m_session_mutex}; - - // Insert the session and manager. - m_sessions[server_session] = manager; - } - - // Signal the wakeup event. - m_wakeup_event->Signal(); -} - -ServiceThread::Impl::~Impl() { - // Shut down the processing thread. - m_shutdown_requested.store(true); - m_wakeup_event->Signal(); - m_host_thread.join(); - - // Close all remaining sessions. - for (const auto& [server_session, manager] : m_sessions) { - server_session->Close(); - } - - // Destroy remaining managers. - m_sessions.clear(); - - // Close event. - m_wakeup_event->GetReadableEvent().Close(); - m_wakeup_event->Close(); - - // Close thread. - m_thread->Close(); -} - -ServiceThread::Impl::Impl(KernelCore& kernel_, const std::string& service_name) - : kernel{kernel_}, m_service_name{service_name} { - // Initialize event. - m_wakeup_event = KEvent::Create(kernel); - m_wakeup_event->Initialize(nullptr); - - // Initialize thread. - m_thread = KThread::Create(kernel); - ASSERT(KThread::InitializeDummyThread(m_thread, nullptr).IsSuccess()); - - // Start thread. - m_host_thread = std::jthread([this] { LoopProcess(); }); -} - -ServiceThread::ServiceThread(KernelCore& kernel, const std::string& name) - : impl{std::make_unique<Impl>(kernel, name)} {} - -ServiceThread::~ServiceThread() = default; - -void ServiceThread::RegisterServerSession(KServerSession* session, - std::shared_ptr<SessionRequestManager> manager) { - impl->RegisterServerSession(session, manager); -} - -} // namespace Kernel diff --git a/src/core/hle/kernel/service_thread.h b/src/core/hle/kernel/service_thread.h deleted file mode 100644 index fb4325531..000000000 --- a/src/core/hle/kernel/service_thread.h +++ /dev/null @@ -1,29 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#pragma once - -#include <memory> -#include <string> - -namespace Kernel { - -class HLERequestContext; -class KernelCore; -class KSession; -class SessionRequestManager; - -class ServiceThread final { -public: - explicit ServiceThread(KernelCore& kernel, const std::string& name); - ~ServiceThread(); - - void RegisterServerSession(KServerSession* session, - std::shared_ptr<SessionRequestManager> manager); - -private: - class Impl; - std::unique_ptr<Impl> impl; -}; - -} // namespace Kernel diff --git a/src/core/hle/kernel/svc/svc_info.cpp b/src/core/hle/kernel/svc/svc_info.cpp index 58dc47508..cbed4dc8c 100644 --- a/src/core/hle/kernel/svc/svc_info.cpp +++ b/src/core/hle/kernel/svc/svc_info.cpp @@ -126,6 +126,11 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource(); return ResultSuccess; + case InfoType::IsApplication: + LOG_WARNING(Kernel_SVC, "(STUBBED) Assuming process is application"); + *result = true; + return ResultSuccess; + case InfoType::FreeThreadCount: *result = process->GetFreeThreadCount(); return ResultSuccess; diff --git a/src/core/hle/kernel/svc/svc_port.cpp b/src/core/hle/kernel/svc/svc_port.cpp index 0b5b4ba2b..78c2a8d17 100644 --- a/src/core/hle/kernel/svc/svc_port.cpp +++ b/src/core/hle/kernel/svc/svc_port.cpp @@ -12,56 +12,40 @@ namespace Kernel::Svc { -/// Connect to an OS service given the port name, returns the handle to the port to out -Result ConnectToNamedPort(Core::System& system, Handle* out, VAddr port_name_address) { - auto& memory = system.Memory(); - if (!memory.IsValidVirtualAddress(port_name_address)) { - LOG_ERROR(Kernel_SVC, - "Port Name Address is not a valid virtual address, port_name_address=0x{:016X}", - port_name_address); - return ResultNotFound; - } +Result ConnectToNamedPort(Core::System& system, Handle* out, VAddr user_name) { + // Copy the provided name from user memory to kernel memory. + auto string_name = system.Memory().ReadCString(user_name, KObjectName::NameLengthMax); - static constexpr std::size_t PortNameMaxLength = 11; - // Read 1 char beyond the max allowed port name to detect names that are too long. - const std::string port_name = memory.ReadCString(port_name_address, PortNameMaxLength + 1); - if (port_name.size() > PortNameMaxLength) { - LOG_ERROR(Kernel_SVC, "Port name is too long, expected {} but got {}", PortNameMaxLength, - port_name.size()); - return ResultOutOfRange; - } + std::array<char, KObjectName::NameLengthMax> name{}; + std::strncpy(name.data(), string_name.c_str(), KObjectName::NameLengthMax - 1); - LOG_TRACE(Kernel_SVC, "called port_name={}", port_name); + // Validate that the name is valid. + R_UNLESS(name[sizeof(name) - 1] == '\x00', ResultOutOfRange); // Get the current handle table. - auto& kernel = system.Kernel(); - auto& handle_table = GetCurrentProcess(kernel).GetHandleTable(); + auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable(); // Find the client port. - auto port = kernel.CreateNamedServicePort(port_name); - if (!port) { - LOG_ERROR(Kernel_SVC, "tried to connect to unknown port: {}", port_name); - return ResultNotFound; - } + auto port = KObjectName::Find<KClientPort>(system.Kernel(), name.data()); + R_UNLESS(port.IsNotNull(), ResultNotFound); // Reserve a handle for the port. // NOTE: Nintendo really does write directly to the output handle here. R_TRY(handle_table.Reserve(out)); - auto handle_guard = SCOPE_GUARD({ handle_table.Unreserve(*out); }); + ON_RESULT_FAILURE { + handle_table.Unreserve(*out); + }; // Create a session. - KClientSession* session{}; + KClientSession* session; R_TRY(port->CreateSession(std::addressof(session))); - kernel.RegisterNamedServiceHandler(port_name, &port->GetParent()->GetServerPort()); - // Register the session in the table, close the extra reference. handle_table.Register(*out, session); session->Close(); // We succeeded. - handle_guard.Cancel(); - return ResultSuccess; + R_SUCCEED(); } Result CreatePort(Core::System& system, Handle* out_server, Handle* out_client, @@ -78,8 +62,11 @@ Result ConnectToPort(Core::System& system, Handle* out_handle, Handle port) { Result ManageNamedPort(Core::System& system, Handle* out_server_handle, uint64_t user_name, int32_t max_sessions) { // Copy the provided name from user memory to kernel memory. + auto string_name = system.Memory().ReadCString(user_name, KObjectName::NameLengthMax); + + // Copy the provided name from user memory to kernel memory. std::array<char, KObjectName::NameLengthMax> name{}; - system.Memory().ReadBlock(user_name, name.data(), sizeof(name)); + std::strncpy(name.data(), string_name.c_str(), KObjectName::NameLengthMax - 1); // Validate that sessions and name are valid. R_UNLESS(max_sessions >= 0, ResultOutOfRange); |