diff options
Diffstat (limited to 'src/core/hle/kernel')
| -rw-r--r-- | src/core/hle/kernel/hle_ipc.cpp | 37 | ||||
| -rw-r--r-- | src/core/hle/kernel/hle_ipc.h | 17 | ||||
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 113 | ||||
| -rw-r--r-- | src/core/hle/kernel/kernel.h | 17 | ||||
| -rw-r--r-- | src/core/hle/kernel/memory/address_space_info.cpp | 2 | ||||
| -rw-r--r-- | src/core/hle/kernel/memory/memory_block.h | 14 | ||||
| -rw-r--r-- | src/core/hle/kernel/memory/page_table.cpp | 14 | ||||
| -rw-r--r-- | src/core/hle/kernel/server_session.cpp | 29 | ||||
| -rw-r--r-- | src/core/hle/kernel/server_session.h | 12 | ||||
| -rw-r--r-- | src/core/hle/kernel/service_thread.cpp | 110 | ||||
| -rw-r--r-- | src/core/hle/kernel/service_thread.h | 28 | ||||
| -rw-r--r-- | src/core/hle/kernel/svc_types.h | 4 |
12 files changed, 255 insertions, 142 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp index e75e80ad0..83decf6cf 100644 --- a/src/core/hle/kernel/hle_ipc.cpp +++ b/src/core/hle/kernel/hle_ipc.cpp @@ -46,43 +46,6 @@ void SessionRequestHandler::ClientDisconnected( boost::range::remove_erase(connected_sessions, server_session); } -std::shared_ptr<WritableEvent> HLERequestContext::SleepClientThread( - const std::string& reason, u64 timeout, WakeupCallback&& callback, - std::shared_ptr<WritableEvent> writable_event) { - // Put the client thread to sleep until the wait event is signaled or the timeout expires. - - if (!writable_event) { - // Create event if not provided - const auto pair = WritableEvent::CreateEventPair(kernel, "HLE Pause Event: " + reason); - writable_event = pair.writable; - } - - Handle event_handle = InvalidHandle; - { - KScopedSchedulerLockAndSleep lock(kernel, event_handle, thread.get(), timeout); - thread->SetHLECallback( - [context = *this, callback](std::shared_ptr<Thread> thread) mutable -> bool { - ThreadWakeupReason reason = thread->GetSignalingResult() == RESULT_TIMEOUT - ? ThreadWakeupReason::Timeout - : ThreadWakeupReason::Signal; - callback(thread, context, reason); - context.WriteToOutgoingCommandBuffer(*thread); - return true; - }); - const auto readable_event{writable_event->GetReadableEvent()}; - writable_event->Clear(); - thread->SetHLESyncObject(readable_event.get()); - thread->SetStatus(ThreadStatus::WaitHLEEvent); - thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); - readable_event->AddWaitingThread(thread); - } - thread->SetHLETimeEvent(event_handle); - - is_thread_waiting = true; - - return writable_event; -} - HLERequestContext::HLERequestContext(KernelCore& kernel, Core::Memory::Memory& memory, std::shared_ptr<ServerSession> server_session, std::shared_ptr<Thread> thread) diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h index c31a65476..b112e1ebd 100644 --- a/src/core/hle/kernel/hle_ipc.h +++ b/src/core/hle/kernel/hle_ipc.h @@ -129,23 +129,6 @@ public: using WakeupCallback = std::function<void( std::shared_ptr<Thread> thread, HLERequestContext& context, ThreadWakeupReason reason)>; - /** - * Puts the specified guest thread to sleep until the returned event is signaled or until the - * specified timeout expires. - * @param reason Reason for pausing the thread, to be used for debugging purposes. - * @param timeout Timeout in nanoseconds after which the thread will be awoken and the callback - * invoked with a Timeout reason. - * @param callback Callback to be invoked when the thread is resumed. This callback must write - * the entire command response once again, regardless of the state of it before this function - * was called. - * @param writable_event Event to use to wake up the thread. If unspecified, an event will be - * created. - * @returns Event that when signaled will resume the thread and call the callback function. - */ - std::shared_ptr<WritableEvent> SleepClientThread( - const std::string& reason, u64 timeout, WakeupCallback&& callback, - std::shared_ptr<WritableEvent> writable_event = nullptr); - /// Populates this context with data from the requesting process/thread. ResultCode PopulateFromIncomingCommandBuffer(const HandleTable& handle_table, u32_le* src_cmdbuf); diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 04cae3a43..e8ece8164 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -8,13 +8,14 @@ #include <functional> #include <memory> #include <thread> -#include <unordered_map> +#include <unordered_set> #include <utility> #include "common/assert.h" #include "common/logging/log.h" #include "common/microprofile.h" #include "common/thread.h" +#include "common/thread_worker.h" #include "core/arm/arm_interface.h" #include "core/arm/cpu_interrupt_handler.h" #include "core/arm/exclusive_monitor.h" @@ -35,6 +36,7 @@ #include "core/hle/kernel/physical_core.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" +#include "core/hle/kernel/service_thread.h" #include "core/hle/kernel/shared_memory.h" #include "core/hle/kernel/synchronization.h" #include "core/hle/kernel/thread.h" @@ -60,6 +62,8 @@ struct KernelCore::Impl { RegisterHostThread(); global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel); + service_thread_manager = + std::make_unique<Common::ThreadWorker>(1, "yuzu:ServiceThreadManager"); InitializePhysicalCores(); InitializeSystemResourceLimit(kernel); @@ -76,6 +80,12 @@ struct KernelCore::Impl { } void Shutdown() { + process_list.clear(); + + // Ensures all service threads gracefully shutdown + service_thread_manager.reset(); + service_threads.clear(); + next_object_id = 0; next_kernel_process_id = Process::InitialKIPIDMin; next_user_process_id = Process::ProcessIDMin; @@ -89,8 +99,6 @@ struct KernelCore::Impl { cores.clear(); - process_list.clear(); - current_process = nullptr; system_resource_limit = nullptr; @@ -103,10 +111,8 @@ struct KernelCore::Impl { exclusive_monitor.reset(); - num_host_threads = 0; - std::fill(register_host_thread_keys.begin(), register_host_thread_keys.end(), - std::thread::id{}); - std::fill(register_host_thread_values.begin(), register_host_thread_values.end(), 0); + // Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others + next_host_thread_id = Core::Hardware::NUM_CPU_CORES; } void InitializePhysicalCores() { @@ -186,52 +192,46 @@ struct KernelCore::Impl { } } + /// Creates a new host thread ID, should only be called by GetHostThreadId + u32 AllocateHostThreadId(std::optional<std::size_t> core_id) { + if (core_id) { + // The first for slots are reserved for CPU core threads + ASSERT(*core_id < Core::Hardware::NUM_CPU_CORES); + return static_cast<u32>(*core_id); + } else { + return next_host_thread_id++; + } + } + + /// Gets the host thread ID for the caller, allocating a new one if this is the first time + u32 GetHostThreadId(std::optional<std::size_t> core_id = std::nullopt) { + const thread_local auto host_thread_id{AllocateHostThreadId(core_id)}; + return host_thread_id; + } + + /// Registers a CPU core thread by allocating a host thread ID for it void RegisterCoreThread(std::size_t core_id) { - const std::thread::id this_id = std::this_thread::get_id(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + const auto this_id = GetHostThreadId(core_id); if (!is_multicore) { single_core_thread_id = this_id; } - const auto end = - register_host_thread_keys.begin() + static_cast<ptrdiff_t>(num_host_threads); - const auto it = std::find(register_host_thread_keys.begin(), end, this_id); - ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); - ASSERT(it == end); - InsertHostThread(static_cast<u32>(core_id)); } + /// Registers a new host thread by allocating a host thread ID for it void RegisterHostThread() { - const std::thread::id this_id = std::this_thread::get_id(); - const auto end = - register_host_thread_keys.begin() + static_cast<ptrdiff_t>(num_host_threads); - const auto it = std::find(register_host_thread_keys.begin(), end, this_id); - if (it == end) { - InsertHostThread(registered_thread_ids++); - } - } - - void InsertHostThread(u32 value) { - const size_t index = num_host_threads++; - ASSERT_MSG(index < NUM_REGISTRABLE_HOST_THREADS, "Too many host threads"); - register_host_thread_values[index] = value; - register_host_thread_keys[index] = std::this_thread::get_id(); + [[maybe_unused]] const auto this_id = GetHostThreadId(); } - [[nodiscard]] u32 GetCurrentHostThreadID() const { - const std::thread::id this_id = std::this_thread::get_id(); + [[nodiscard]] u32 GetCurrentHostThreadID() { + const auto this_id = GetHostThreadId(); if (!is_multicore && single_core_thread_id == this_id) { return static_cast<u32>(system.GetCpuManager().CurrentCore()); } - const auto end = - register_host_thread_keys.begin() + static_cast<ptrdiff_t>(num_host_threads); - const auto it = std::find(register_host_thread_keys.begin(), end, this_id); - if (it == end) { - return Core::INVALID_HOST_THREAD_ID; - } - return register_host_thread_values[static_cast<size_t>( - std::distance(register_host_thread_keys.begin(), it))]; + return this_id; } - Core::EmuThreadHandle GetCurrentEmuThreadID() const { + [[nodiscard]] Core::EmuThreadHandle GetCurrentEmuThreadID() { Core::EmuThreadHandle result = Core::EmuThreadHandle::InvalidHandle(); result.host_handle = GetCurrentHostThreadID(); if (result.host_handle >= Core::Hardware::NUM_CPU_CORES) { @@ -325,15 +325,8 @@ struct KernelCore::Impl { std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor; std::vector<Kernel::PhysicalCore> cores; - // 0-3 IDs represent core threads, >3 represent others - std::atomic<u32> registered_thread_ids{Core::Hardware::NUM_CPU_CORES}; - - // Number of host threads is a relatively high number to avoid overflowing - static constexpr size_t NUM_REGISTRABLE_HOST_THREADS = 64; - std::atomic<size_t> num_host_threads{0}; - std::array<std::atomic<std::thread::id>, NUM_REGISTRABLE_HOST_THREADS> - register_host_thread_keys{}; - std::array<std::atomic<u32>, NUM_REGISTRABLE_HOST_THREADS> register_host_thread_values{}; + // Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others + std::atomic<u32> next_host_thread_id{Core::Hardware::NUM_CPU_CORES}; // Kernel memory management std::unique_ptr<Memory::MemoryManager> memory_manager; @@ -345,12 +338,19 @@ struct KernelCore::Impl { std::shared_ptr<Kernel::SharedMemory> irs_shared_mem; std::shared_ptr<Kernel::SharedMemory> time_shared_mem; + // Threads used for services + std::unordered_set<std::shared_ptr<Kernel::ServiceThread>> service_threads; + + // Service threads are managed by a worker thread, so that a calling service thread can queue up + // the release of itself + std::unique_ptr<Common::ThreadWorker> service_thread_manager; + std::array<std::shared_ptr<Thread>, Core::Hardware::NUM_CPU_CORES> suspend_threads{}; std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{}; std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{}; bool is_multicore{}; - std::thread::id single_core_thread_id{}; + u32 single_core_thread_id{}; std::array<u64, Core::Hardware::NUM_CPU_CORES> svc_ticks{}; @@ -639,4 +639,19 @@ void KernelCore::ExitSVCProfile() { MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]); } +std::weak_ptr<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) { + auto service_thread = std::make_shared<Kernel::ServiceThread>(*this, 1, name); + impl->service_thread_manager->QueueWork( + [this, service_thread] { impl->service_threads.emplace(service_thread); }); + return service_thread; +} + +void KernelCore::ReleaseServiceThread(std::weak_ptr<Kernel::ServiceThread> service_thread) { + impl->service_thread_manager->QueueWork([this, service_thread] { + if (auto strong_ptr = service_thread.lock()) { + impl->service_threads.erase(strong_ptr); + } + }); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 5846c3f39..e3169f5a7 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -42,6 +42,7 @@ class Process; class ResourceLimit; class KScheduler; class SharedMemory; +class ServiceThread; class Synchronization; class Thread; class TimeManager; @@ -227,6 +228,22 @@ public: void ExitSVCProfile(); + /** + * Creates an HLE service thread, 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. + * @param name String name for the ServerSession creating this thread, used for debug purposes. + * @returns The a weak pointer newly created service thread. + */ + std::weak_ptr<Kernel::ServiceThread> CreateServiceThread(const std::string& name); + + /** + * 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(std::weak_ptr<Kernel::ServiceThread> service_thread); + private: friend class Object; friend class Process; diff --git a/src/core/hle/kernel/memory/address_space_info.cpp b/src/core/hle/kernel/memory/address_space_info.cpp index e4288cab4..6cf43ba24 100644 --- a/src/core/hle/kernel/memory/address_space_info.cpp +++ b/src/core/hle/kernel/memory/address_space_info.cpp @@ -96,6 +96,7 @@ u64 AddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) { return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].address; } UNREACHABLE(); + return 0; } std::size_t AddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) { @@ -112,6 +113,7 @@ std::size_t AddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].size; } UNREACHABLE(); + return 0; } } // namespace Kernel::Memory diff --git a/src/core/hle/kernel/memory/memory_block.h b/src/core/hle/kernel/memory/memory_block.h index 37fe19916..83acece1e 100644 --- a/src/core/hle/kernel/memory/memory_block.h +++ b/src/core/hle/kernel/memory/memory_block.h @@ -73,12 +73,12 @@ enum class MemoryState : u32 { ThreadLocal = static_cast<u32>(Svc::MemoryState::ThreadLocal) | FlagMapped | FlagReferenceCounted, - Transfered = static_cast<u32>(Svc::MemoryState::Transfered) | FlagsMisc | - FlagCanAlignedDeviceMap | FlagCanChangeAttribute | FlagCanUseIpc | - FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, + Transferred = static_cast<u32>(Svc::MemoryState::Transferred) | FlagsMisc | + FlagCanAlignedDeviceMap | FlagCanChangeAttribute | FlagCanUseIpc | + FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, - SharedTransfered = static_cast<u32>(Svc::MemoryState::SharedTransfered) | FlagsMisc | - FlagCanAlignedDeviceMap | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, + SharedTransferred = static_cast<u32>(Svc::MemoryState::SharedTransferred) | FlagsMisc | + FlagCanAlignedDeviceMap | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, SharedCode = static_cast<u32>(Svc::MemoryState::SharedCode) | FlagMapped | FlagReferenceCounted | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, @@ -111,8 +111,8 @@ static_assert(static_cast<u32>(MemoryState::AliasCodeData) == 0x03FFBD09); static_assert(static_cast<u32>(MemoryState::Ipc) == 0x005C3C0A); static_assert(static_cast<u32>(MemoryState::Stack) == 0x005C3C0B); static_assert(static_cast<u32>(MemoryState::ThreadLocal) == 0x0040200C); -static_assert(static_cast<u32>(MemoryState::Transfered) == 0x015C3C0D); -static_assert(static_cast<u32>(MemoryState::SharedTransfered) == 0x005C380E); +static_assert(static_cast<u32>(MemoryState::Transferred) == 0x015C3C0D); +static_assert(static_cast<u32>(MemoryState::SharedTransferred) == 0x005C380E); static_assert(static_cast<u32>(MemoryState::SharedCode) == 0x0040380F); static_assert(static_cast<u32>(MemoryState::Inaccessible) == 0x00000010); static_assert(static_cast<u32>(MemoryState::NonSecureIpc) == 0x005C3811); diff --git a/src/core/hle/kernel/memory/page_table.cpp b/src/core/hle/kernel/memory/page_table.cpp index f53a7be82..080886554 100644 --- a/src/core/hle/kernel/memory/page_table.cpp +++ b/src/core/hle/kernel/memory/page_table.cpp @@ -265,7 +265,7 @@ ResultCode PageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_t physical_memory_usage = 0; memory_pool = pool; - page_table_impl.Resize(address_space_width, PageBits, true); + page_table_impl.Resize(address_space_width, PageBits); return InitializeMemoryLayout(start, end); } @@ -1007,8 +1007,8 @@ constexpr VAddr PageTable::GetRegionAddress(MemoryState state) const { case MemoryState::Shared: case MemoryState::AliasCode: case MemoryState::AliasCodeData: - case MemoryState::Transfered: - case MemoryState::SharedTransfered: + case MemoryState::Transferred: + case MemoryState::SharedTransferred: case MemoryState::SharedCode: case MemoryState::GeneratedCode: case MemoryState::CodeOut: @@ -1042,8 +1042,8 @@ constexpr std::size_t PageTable::GetRegionSize(MemoryState state) const { case MemoryState::Shared: case MemoryState::AliasCode: case MemoryState::AliasCodeData: - case MemoryState::Transfered: - case MemoryState::SharedTransfered: + case MemoryState::Transferred: + case MemoryState::SharedTransferred: case MemoryState::SharedCode: case MemoryState::GeneratedCode: case MemoryState::CodeOut: @@ -1080,8 +1080,8 @@ constexpr bool PageTable::CanContain(VAddr addr, std::size_t size, MemoryState s case MemoryState::AliasCodeData: case MemoryState::Stack: case MemoryState::ThreadLocal: - case MemoryState::Transfered: - case MemoryState::SharedTransfered: + case MemoryState::Transferred: + case MemoryState::SharedTransferred: case MemoryState::SharedCode: case MemoryState::GeneratedCode: case MemoryState::CodeOut: diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp index a35c8aa4b..b40fe3916 100644 --- a/src/core/hle/kernel/server_session.cpp +++ b/src/core/hle/kernel/server_session.cpp @@ -25,19 +25,19 @@ namespace Kernel { ServerSession::ServerSession(KernelCore& kernel) : SynchronizationObject{kernel} {} -ServerSession::~ServerSession() = default; + +ServerSession::~ServerSession() { + kernel.ReleaseServiceThread(service_thread); +} ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kernel, std::shared_ptr<Session> parent, std::string name) { std::shared_ptr<ServerSession> session{std::make_shared<ServerSession>(kernel)}; - session->request_event = - Core::Timing::CreateEvent(name, [session](std::uintptr_t, std::chrono::nanoseconds) { - session->CompleteSyncRequest(); - }); session->name = std::move(name); session->parent = std::move(parent); + session->service_thread = kernel.CreateServiceThread(session->name); return MakeResult(std::move(session)); } @@ -142,16 +142,16 @@ ResultCode ServerSession::QueueSyncRequest(std::shared_ptr<Thread> thread, std::make_shared<HLERequestContext>(kernel, memory, SharedFrom(this), std::move(thread)); context->PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf); - request_queue.Push(std::move(context)); + + if (auto strong_ptr = service_thread.lock()) { + strong_ptr->QueueSyncRequest(*this, std::move(context)); + return RESULT_SUCCESS; + } return RESULT_SUCCESS; } -ResultCode ServerSession::CompleteSyncRequest() { - ASSERT(!request_queue.Empty()); - - auto& context = *request_queue.Front(); - +ResultCode ServerSession::CompleteSyncRequest(HLERequestContext& context) { ResultCode result = RESULT_SUCCESS; // If the session has been converted to a domain, handle the domain request if (IsDomain() && context.HasDomainMessageHeader()) { @@ -177,18 +177,13 @@ ResultCode ServerSession::CompleteSyncRequest() { } } - request_queue.Pop(); - return result; } ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory, Core::Timing::CoreTiming& core_timing) { - const ResultCode result = QueueSyncRequest(std::move(thread), memory); - const auto delay = std::chrono::nanoseconds{kernel.IsMulticore() ? 0 : 20000}; - core_timing.ScheduleEvent(delay, request_event, {}); - return result; + return QueueSyncRequest(std::move(thread), memory); } } // namespace Kernel diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h index d23e9ec68..e8d1d99ea 100644 --- a/src/core/hle/kernel/server_session.h +++ b/src/core/hle/kernel/server_session.h @@ -10,6 +10,7 @@ #include <vector> #include "common/threadsafe_queue.h" +#include "core/hle/kernel/service_thread.h" #include "core/hle/kernel/synchronization_object.h" #include "core/hle/result.h" @@ -43,6 +44,8 @@ class Thread; * TLS buffer and control is transferred back to it. */ class ServerSession final : public SynchronizationObject { + friend class ServiceThread; + public: explicit ServerSession(KernelCore& kernel); ~ServerSession() override; @@ -132,7 +135,7 @@ private: ResultCode QueueSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory); /// Completes a sync request from the emulated application. - ResultCode CompleteSyncRequest(); + ResultCode CompleteSyncRequest(HLERequestContext& context); /// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an /// object handle. @@ -163,11 +166,8 @@ private: /// The name of this session (optional) std::string name; - /// Core timing event used to schedule the service request at some point in the future - std::shared_ptr<Core::Timing::EventType> request_event; - - /// Queue of scheduled service requests - Common::MPSCQueue<std::shared_ptr<Kernel::HLERequestContext>> request_queue; + /// Thread to dispatch service requests + std::weak_ptr<ServiceThread> service_thread; }; } // namespace Kernel diff --git a/src/core/hle/kernel/service_thread.cpp b/src/core/hle/kernel/service_thread.cpp new file mode 100644 index 000000000..ee46f3e21 --- /dev/null +++ b/src/core/hle/kernel/service_thread.cpp @@ -0,0 +1,110 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <condition_variable> +#include <functional> +#include <mutex> +#include <thread> +#include <vector> +#include <queue> + +#include "common/assert.h" +#include "common/scope_exit.h" +#include "common/thread.h" +#include "core/core.h" +#include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/server_session.h" +#include "core/hle/kernel/service_thread.h" +#include "core/hle/lock.h" +#include "video_core/renderer_base.h" + +namespace Kernel { + +class ServiceThread::Impl final { +public: + explicit Impl(KernelCore& kernel, std::size_t num_threads, const std::string& name); + ~Impl(); + + void QueueSyncRequest(ServerSession& session, std::shared_ptr<HLERequestContext>&& context); + +private: + std::vector<std::thread> threads; + std::queue<std::function<void()>> requests; + std::mutex queue_mutex; + std::condition_variable condition; + const std::string service_name; + bool stop{}; +}; + +ServiceThread::Impl::Impl(KernelCore& kernel, std::size_t num_threads, const std::string& name) + : service_name{name} { + for (std::size_t i = 0; i < num_threads; ++i) + threads.emplace_back([this, &kernel] { + Common::SetCurrentThreadName(std::string{"yuzu:HleService:" + service_name}.c_str()); + + // Wait for first request before trying to acquire a render context + { + std::unique_lock lock{queue_mutex}; + condition.wait(lock, [this] { return stop || !requests.empty(); }); + } + + kernel.RegisterHostThread(); + + while (true) { + std::function<void()> task; + + { + std::unique_lock lock{queue_mutex}; + condition.wait(lock, [this] { return stop || !requests.empty(); }); + if (stop || requests.empty()) { + return; + } + task = std::move(requests.front()); + requests.pop(); + } + + task(); + } + }); +} + +void ServiceThread::Impl::QueueSyncRequest(ServerSession& session, + std::shared_ptr<HLERequestContext>&& context) { + { + std::unique_lock lock{queue_mutex}; + + // ServerSession owns the service thread, so we cannot caption a strong pointer here in the + // event that the ServerSession is terminated. + std::weak_ptr<ServerSession> weak_ptr{SharedFrom(&session)}; + requests.emplace([weak_ptr, context{std::move(context)}]() { + if (auto strong_ptr = weak_ptr.lock()) { + strong_ptr->CompleteSyncRequest(*context); + } + }); + } + condition.notify_one(); +} + +ServiceThread::Impl::~Impl() { + { + std::unique_lock lock{queue_mutex}; + stop = true; + } + condition.notify_all(); + for (std::thread& thread : threads) { + thread.join(); + } +} + +ServiceThread::ServiceThread(KernelCore& kernel, std::size_t num_threads, const std::string& name) + : impl{std::make_unique<Impl>(kernel, num_threads, name)} {} + +ServiceThread::~ServiceThread() = default; + +void ServiceThread::QueueSyncRequest(ServerSession& session, + std::shared_ptr<HLERequestContext>&& context) { + impl->QueueSyncRequest(session, std::move(context)); +} + +} // namespace Kernel diff --git a/src/core/hle/kernel/service_thread.h b/src/core/hle/kernel/service_thread.h new file mode 100644 index 000000000..025ab8fb5 --- /dev/null +++ b/src/core/hle/kernel/service_thread.h @@ -0,0 +1,28 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <memory> +#include <string> + +namespace Kernel { + +class HLERequestContext; +class KernelCore; +class ServerSession; + +class ServiceThread final { +public: + explicit ServiceThread(KernelCore& kernel, std::size_t num_threads, const std::string& name); + ~ServiceThread(); + + void QueueSyncRequest(ServerSession& session, std::shared_ptr<HLERequestContext>&& context); + +private: + class Impl; + std::unique_ptr<Impl> impl; +}; + +} // namespace Kernel diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h index 986724beb..11e1d8e2d 100644 --- a/src/core/hle/kernel/svc_types.h +++ b/src/core/hle/kernel/svc_types.h @@ -23,8 +23,8 @@ enum class MemoryState : u32 { Ipc = 0x0A, Stack = 0x0B, ThreadLocal = 0x0C, - Transfered = 0x0D, - SharedTransfered = 0x0E, + Transferred = 0x0D, + SharedTransferred = 0x0E, SharedCode = 0x0F, Inaccessible = 0x10, NonSecureIpc = 0x11, |