From 3e4262165966e1241ec53fc38340d0d00f2b7aa5 Mon Sep 17 00:00:00 2001 From: pineappleEA Date: Thu, 31 Dec 2020 11:03:11 +0100 Subject: [PATCH] early-access version 1272 --- README.md | 2 +- src/common/CMakeLists.txt | 3 + src/common/common_funcs.h | 8 + src/core/CMakeLists.txt | 16 +- src/core/core_timing.cpp | 1 + src/core/hle/kernel/client_port.cpp | 3 - src/core/hle/kernel/client_session.cpp | 11 +- src/core/hle/kernel/client_session.h | 8 +- src/core/hle/kernel/errors.h | 3 + src/core/hle/kernel/k_scheduler.cpp | 37 +- src/core/hle/kernel/k_scheduler.h | 5 +- src/core/hle/kernel/kernel.cpp | 17 +- src/core/hle/kernel/kernel.h | 7 - src/core/hle/kernel/memory/memory_layout.h | 19 + src/core/hle/kernel/object.h | 5 + src/core/hle/kernel/process.cpp | 67 +-- src/core/hle/kernel/process.h | 64 ++- src/core/hle/kernel/readable_event.cpp | 18 +- src/core/hle/kernel/readable_event.h | 12 +- src/core/hle/kernel/server_port.cpp | 14 +- src/core/hle/kernel/server_port.h | 9 +- src/core/hle/kernel/server_session.cpp | 23 +- src/core/hle/kernel/server_session.h | 12 +- src/core/hle/kernel/session.cpp | 11 +- src/core/hle/kernel/session.h | 8 +- src/core/hle/kernel/svc.cpp | 390 +++++---------- src/core/hle/kernel/svc_types.h | 12 + src/core/hle/kernel/svc_wrap.h | 47 +- src/core/hle/kernel/thread.cpp | 340 ++++++------- src/core/hle/kernel/thread.h | 479 ++++++++++--------- src/core/hle/kernel/time_manager.cpp | 9 +- src/core/hle/service/nfp/nfp.cpp | 6 - src/core/hle/service/nvflinger/nvflinger.cpp | 4 + src/core/hle/service/sm/sm.cpp | 3 - src/input_common/sdl/sdl_impl.cpp | 47 +- src/yuzu/debugger/wait_tree.cpp | 88 ++-- src/yuzu/debugger/wait_tree.h | 17 +- 37 files changed, 816 insertions(+), 1009 deletions(-) diff --git a/README.md b/README.md index 313510caa..475a2f7cb 100755 --- a/README.md +++ b/README.md @@ -1,7 +1,7 @@ yuzu emulator early access ============= -This is the source code for early-access 1269. +This is the source code for early-access 1272. ## Legal Notice diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index 5c8003eb1..64b8cf883 100755 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -123,6 +123,7 @@ add_library(common STATIC hash.h hex_util.cpp hex_util.h + intrusive_red_black_tree.h logging/backend.cpp logging/backend.h logging/filter.cpp @@ -145,6 +146,7 @@ add_library(common STATIC page_table.h param_package.cpp param_package.h + parent_of_member.h quaternion.h ring_buffer.h scm_rev.cpp @@ -169,6 +171,7 @@ add_library(common STATIC time_zone.h timer.cpp timer.h + tree.h uint128.cpp uint128.h uuid.cpp diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h index 367b6bf6e..c90978f9c 100755 --- a/src/common/common_funcs.h +++ b/src/common/common_funcs.h @@ -93,6 +93,14 @@ __declspec(dllimport) void __stdcall DebugBreak(void); return static_cast(key) == 0; \ } +/// Evaluates a boolean expression, and returns a result unless that expression is true. +#define R_UNLESS(expr, res) \ + { \ + if (!(expr)) { \ + return res; \ + } \ + } + namespace Common { [[nodiscard]] constexpr u32 MakeMagic(char a, char b, char c, char d) { diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 4b08adb80..fbca16015 100755 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -141,8 +141,6 @@ add_library(core STATIC hardware_interrupt_manager.h hle/ipc.h hle/ipc_helpers.h - hle/kernel/address_arbiter.cpp - hle/kernel/address_arbiter.h hle/kernel/client_port.cpp hle/kernel/client_port.h hle/kernel/client_session.cpp @@ -156,13 +154,19 @@ add_library(core STATIC hle/kernel/handle_table.h hle/kernel/hle_ipc.cpp hle/kernel/hle_ipc.h + hle/kernel/k_address_arbiter.cpp + hle/kernel/k_address_arbiter.h hle/kernel/k_affinity_mask.h + hle/kernel/k_condition_variable.cpp + hle/kernel/k_condition_variable.h hle/kernel/k_priority_queue.h hle/kernel/k_scheduler.cpp hle/kernel/k_scheduler.h hle/kernel/k_scheduler_lock.h hle/kernel/k_scoped_lock.h hle/kernel/k_scoped_scheduler_lock_and_sleep.h + hle/kernel/k_synchronization_object.cpp + hle/kernel/k_synchronization_object.h hle/kernel/kernel.cpp hle/kernel/kernel.h hle/kernel/memory/address_space_info.cpp @@ -182,8 +186,6 @@ add_library(core STATIC hle/kernel/memory/slab_heap.h hle/kernel/memory/system_control.cpp hle/kernel/memory/system_control.h - hle/kernel/mutex.cpp - hle/kernel/mutex.h hle/kernel/object.cpp hle/kernel/object.h hle/kernel/physical_core.cpp @@ -209,12 +211,10 @@ add_library(core STATIC hle/kernel/shared_memory.h hle/kernel/svc.cpp hle/kernel/svc.h + hle/kernel/svc_common.h + hle/kernel/svc_results.h hle/kernel/svc_types.h hle/kernel/svc_wrap.h - hle/kernel/synchronization_object.cpp - hle/kernel/synchronization_object.h - hle/kernel/synchronization.cpp - hle/kernel/synchronization.h hle/kernel/thread.cpp hle/kernel/thread.h hle/kernel/time_manager.cpp diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp index e6c8461a5..874b5673a 100755 --- a/src/core/core_timing.cpp +++ b/src/core/core_timing.cpp @@ -49,6 +49,7 @@ void CoreTiming::ThreadEntry(CoreTiming& instance) { Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh); instance.on_thread_init(); instance.ThreadLoop(); + MicroProfileOnThreadExit(); } void CoreTiming::Initialize(std::function&& on_thread_init_) { diff --git a/src/core/hle/kernel/client_port.cpp b/src/core/hle/kernel/client_port.cpp index 8aff2227a..f8f005f15 100755 --- a/src/core/hle/kernel/client_port.cpp +++ b/src/core/hle/kernel/client_port.cpp @@ -33,9 +33,6 @@ ResultVal> ClientPort::Connect() { server_port->AppendPendingSession(std::move(server)); } - // Wake the threads waiting on the ServerPort - server_port->Signal(); - return MakeResult(std::move(client)); } diff --git a/src/core/hle/kernel/client_session.cpp b/src/core/hle/kernel/client_session.cpp index be9eba519..e8e52900d 100755 --- a/src/core/hle/kernel/client_session.cpp +++ b/src/core/hle/kernel/client_session.cpp @@ -12,7 +12,7 @@ namespace Kernel { -ClientSession::ClientSession(KernelCore& kernel) : SynchronizationObject{kernel} {} +ClientSession::ClientSession(KernelCore& kernel) : KSynchronizationObject{kernel} {} ClientSession::~ClientSession() { // This destructor will be called automatically when the last ClientSession handle is closed by @@ -22,15 +22,6 @@ ClientSession::~ClientSession() { } } -bool ClientSession::ShouldWait(const Thread* thread) const { - UNIMPLEMENTED(); - return {}; -} - -void ClientSession::Acquire(Thread* thread) { - UNIMPLEMENTED(); -} - bool ClientSession::IsSignaled() const { UNIMPLEMENTED(); return true; diff --git a/src/core/hle/kernel/client_session.h b/src/core/hle/kernel/client_session.h index e5e0690c2..d5c9ebee8 100755 --- a/src/core/hle/kernel/client_session.h +++ b/src/core/hle/kernel/client_session.h @@ -7,7 +7,7 @@ #include #include -#include "core/hle/kernel/synchronization_object.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/result.h" union ResultCode; @@ -26,7 +26,7 @@ class KernelCore; class Session; class Thread; -class ClientSession final : public SynchronizationObject { +class ClientSession final : public KSynchronizationObject { public: explicit ClientSession(KernelCore& kernel); ~ClientSession() override; @@ -49,10 +49,6 @@ public: ResultCode SendSyncRequest(std::shared_ptr thread, Core::Memory::Memory& memory, Core::Timing::CoreTiming& core_timing); - bool ShouldWait(const Thread* thread) const override; - - void Acquire(Thread* thread) override; - bool IsSignaled() const override; private: diff --git a/src/core/hle/kernel/errors.h b/src/core/hle/kernel/errors.h index d4e5d88cf..7d32a39f0 100755 --- a/src/core/hle/kernel/errors.h +++ b/src/core/hle/kernel/errors.h @@ -13,12 +13,14 @@ namespace Kernel { constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED{ErrorModule::Kernel, 7}; constexpr ResultCode ERR_INVALID_CAPABILITY_DESCRIPTOR{ErrorModule::Kernel, 14}; constexpr ResultCode ERR_THREAD_TERMINATING{ErrorModule::Kernel, 59}; +constexpr ResultCode ERR_TERMINATION_REQUESTED{ErrorModule::Kernel, 59}; constexpr ResultCode ERR_INVALID_SIZE{ErrorModule::Kernel, 101}; constexpr ResultCode ERR_INVALID_ADDRESS{ErrorModule::Kernel, 102}; constexpr ResultCode ERR_OUT_OF_RESOURCES{ErrorModule::Kernel, 103}; constexpr ResultCode ERR_OUT_OF_MEMORY{ErrorModule::Kernel, 104}; constexpr ResultCode ERR_HANDLE_TABLE_FULL{ErrorModule::Kernel, 105}; constexpr ResultCode ERR_INVALID_ADDRESS_STATE{ErrorModule::Kernel, 106}; +constexpr ResultCode ERR_INVALID_CURRENT_MEMORY{ErrorModule::Kernel, 106}; constexpr ResultCode ERR_INVALID_MEMORY_PERMISSIONS{ErrorModule::Kernel, 108}; constexpr ResultCode ERR_INVALID_MEMORY_RANGE{ErrorModule::Kernel, 110}; constexpr ResultCode ERR_INVALID_PROCESSOR_ID{ErrorModule::Kernel, 113}; @@ -28,6 +30,7 @@ constexpr ResultCode ERR_INVALID_POINTER{ErrorModule::Kernel, 115}; constexpr ResultCode ERR_INVALID_COMBINATION{ErrorModule::Kernel, 116}; constexpr ResultCode RESULT_TIMEOUT{ErrorModule::Kernel, 117}; constexpr ResultCode ERR_SYNCHRONIZATION_CANCELED{ErrorModule::Kernel, 118}; +constexpr ResultCode ERR_CANCELLED{ErrorModule::Kernel, 118}; constexpr ResultCode ERR_OUT_OF_RANGE{ErrorModule::Kernel, 119}; constexpr ResultCode ERR_INVALID_ENUM_VALUE{ErrorModule::Kernel, 120}; constexpr ResultCode ERR_NOT_FOUND{ErrorModule::Kernel, 121}; diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index c5fd82a6b..42f0ea483 100755 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -180,22 +180,22 @@ u64 KScheduler::UpdateHighestPriorityThreadsImpl(KernelCore& kernel) { return cores_needing_scheduling; } -void KScheduler::OnThreadStateChanged(KernelCore& kernel, Thread* thread, u32 old_state) { +void KScheduler::OnThreadStateChanged(KernelCore& kernel, Thread* thread, ThreadState old_state) { ASSERT(kernel.GlobalSchedulerContext().IsLocked()); // Check if the state has changed, because if it hasn't there's nothing to do. - const auto cur_state = thread->scheduling_state; + const auto cur_state = thread->GetRawState(); if (cur_state == old_state) { return; } // Update the priority queues. - if (old_state == static_cast(ThreadSchedStatus::Runnable)) { + if (old_state == ThreadState::Runnable) { // If we were previously runnable, then we're not runnable now, and we should remove. GetPriorityQueue(kernel).Remove(thread); IncrementScheduledCount(thread); SetSchedulerUpdateNeeded(kernel); - } else if (cur_state == static_cast(ThreadSchedStatus::Runnable)) { + } else if (cur_state == ThreadState::Runnable) { // If we're now runnable, then we weren't previously, and we should add. GetPriorityQueue(kernel).PushBack(thread); IncrementScheduledCount(thread); @@ -203,13 +203,11 @@ void KScheduler::OnThreadStateChanged(KernelCore& kernel, Thread* thread, u32 ol } } -void KScheduler::OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, Thread* current_thread, - u32 old_priority) { - +void KScheduler::OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, s32 old_priority) { ASSERT(kernel.GlobalSchedulerContext().IsLocked()); // If the thread is runnable, we want to change its priority in the queue. - if (thread->scheduling_state == static_cast(ThreadSchedStatus::Runnable)) { + if (thread->GetRawState() == ThreadState::Runnable) { GetPriorityQueue(kernel).ChangePriority( old_priority, thread == kernel.CurrentScheduler()->GetCurrentThread(), thread); IncrementScheduledCount(thread); @@ -222,7 +220,7 @@ void KScheduler::OnThreadAffinityMaskChanged(KernelCore& kernel, Thread* thread, ASSERT(kernel.GlobalSchedulerContext().IsLocked()); // If the thread is runnable, we want to change its affinity in the queue. - if (thread->scheduling_state == static_cast(ThreadSchedStatus::Runnable)) { + if (thread->GetRawState() == ThreadState::Runnable) { GetPriorityQueue(kernel).ChangeAffinityMask(old_core, old_affinity, thread); IncrementScheduledCount(thread); SetSchedulerUpdateNeeded(kernel); @@ -292,7 +290,7 @@ void KScheduler::RotateScheduledQueue(s32 core_id, s32 priority) { // If the best thread we can choose has a priority the same or worse than ours, try to // migrate a higher priority thread. - if (best_thread != nullptr && best_thread->GetPriority() >= static_cast(priority)) { + if (best_thread != nullptr && best_thread->GetPriority() >= priority) { Thread* suggested = priority_queue.GetSuggestedFront(core_id); while (suggested != nullptr) { // If the suggestion's priority is the same as ours, don't bother. @@ -395,8 +393,8 @@ void KScheduler::YieldWithoutCoreMigration() { { KScopedSchedulerLock lock(kernel); - const auto cur_state = cur_thread.scheduling_state; - if (cur_state == static_cast(ThreadSchedStatus::Runnable)) { + const auto cur_state = cur_thread.GetRawState(); + if (cur_state == ThreadState::Runnable) { // Put the current thread at the back of the queue. Thread* next_thread = priority_queue.MoveToScheduledBack(std::addressof(cur_thread)); IncrementScheduledCount(std::addressof(cur_thread)); @@ -436,8 +434,8 @@ void KScheduler::YieldWithCoreMigration() { { KScopedSchedulerLock lock(kernel); - const auto cur_state = cur_thread.scheduling_state; - if (cur_state == static_cast(ThreadSchedStatus::Runnable)) { + const auto cur_state = cur_thread.GetRawState(); + if (cur_state == ThreadState::Runnable) { // Get the current active core. const s32 core_id = cur_thread.GetActiveCore(); @@ -526,8 +524,8 @@ void KScheduler::YieldToAnyThread() { { KScopedSchedulerLock lock(kernel); - const auto cur_state = cur_thread.scheduling_state; - if (cur_state == static_cast(ThreadSchedStatus::Runnable)) { + const auto cur_state = cur_thread.GetRawState(); + if (cur_state == ThreadState::Runnable) { // Get the current active core. const s32 core_id = cur_thread.GetActiveCore(); @@ -645,8 +643,7 @@ void KScheduler::Unload(Thread* thread) { void KScheduler::Reload(Thread* thread) { if (thread) { - ASSERT_MSG(thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable, - "Thread must be runnable."); + ASSERT_MSG(thread->GetState() == ThreadState::Runnable, "Thread must be runnable."); // Cancel any outstanding wakeup events for this thread thread->SetIsRunning(true); @@ -725,7 +722,7 @@ void KScheduler::SwitchToCurrent() { do { if (current_thread != nullptr && !current_thread->IsHLEThread()) { current_thread->context_guard.lock(); - if (!current_thread->IsRunnable()) { + if (current_thread->GetRawState() != ThreadState::Runnable) { current_thread->context_guard.unlock(); break; } @@ -772,7 +769,7 @@ void KScheduler::Initialize() { { KScopedSchedulerLock lock{system.Kernel()}; - idle_thread->SetStatus(ThreadStatus::Ready); + idle_thread->SetState(ThreadState::Runnable); } } diff --git a/src/core/hle/kernel/k_scheduler.h b/src/core/hle/kernel/k_scheduler.h index e84abc84c..783665123 100755 --- a/src/core/hle/kernel/k_scheduler.h +++ b/src/core/hle/kernel/k_scheduler.h @@ -100,11 +100,10 @@ public: void YieldToAnyThread(); /// Notify the scheduler a thread's status has changed. - static void OnThreadStateChanged(KernelCore& kernel, Thread* thread, u32 old_state); + static void OnThreadStateChanged(KernelCore& kernel, Thread* thread, ThreadState old_state); /// Notify the scheduler a thread's priority has changed. - static void OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, Thread* current_thread, - u32 old_priority); + static void OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, s32 old_priority); /// Notify the scheduler a thread's core and/or affinity mask has changed. static void OnThreadAffinityMaskChanged(KernelCore& kernel, Thread* thread, diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index e8ece8164..8d03f16fb 100755 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -38,7 +38,6 @@ #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" #include "core/hle/kernel/time_manager.h" #include "core/hle/lock.h" @@ -51,8 +50,7 @@ namespace Kernel { struct KernelCore::Impl { explicit Impl(Core::System& system, KernelCore& kernel) - : synchronization{system}, time_manager{system}, global_handle_table{kernel}, system{ - system} {} + : time_manager{system}, global_handle_table{kernel}, system{system} {} void SetMulticore(bool is_multicore) { this->is_multicore = is_multicore; @@ -307,7 +305,6 @@ struct KernelCore::Impl { std::vector> process_list; Process* current_process = nullptr; std::unique_ptr global_scheduler_context; - Kernel::Synchronization synchronization; Kernel::TimeManager time_manager; std::shared_ptr system_resource_limit; @@ -461,14 +458,6 @@ const std::array& Kern return impl->interrupts; } -Kernel::Synchronization& KernelCore::Synchronization() { - return impl->synchronization; -} - -const Kernel::Synchronization& KernelCore::Synchronization() const { - return impl->synchronization; -} - Kernel::TimeManager& KernelCore::TimeManager() { return impl->time_manager; } @@ -613,9 +602,9 @@ void KernelCore::Suspend(bool in_suspention) { const bool should_suspend = exception_exited || in_suspention; { KScopedSchedulerLock lock(*this); - ThreadStatus status = should_suspend ? ThreadStatus::Ready : ThreadStatus::WaitSleep; + const auto state = should_suspend ? ThreadState::Runnable : ThreadState::Waiting; for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { - impl->suspend_threads[i]->SetStatus(status); + impl->suspend_threads[i]->SetState(state); } } } diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index e3169f5a7..933d9a7d6 100755 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -33,7 +33,6 @@ template class SlabHeap; } // namespace Memory -class AddressArbiter; class ClientPort; class GlobalSchedulerContext; class HandleTable; @@ -129,12 +128,6 @@ public: /// Gets the an instance of the current physical CPU core. const Kernel::PhysicalCore& CurrentPhysicalCore() const; - /// Gets the an instance of the Synchronization Interface. - Kernel::Synchronization& Synchronization(); - - /// Gets the an instance of the Synchronization Interface. - const Kernel::Synchronization& Synchronization() const; - /// Gets the an instance of the TimeManager Interface. Kernel::TimeManager& TimeManager(); diff --git a/src/core/hle/kernel/memory/memory_layout.h b/src/core/hle/kernel/memory/memory_layout.h index 9b3d6267a..c7c0b2f49 100755 --- a/src/core/hle/kernel/memory/memory_layout.h +++ b/src/core/hle/kernel/memory/memory_layout.h @@ -5,9 +5,28 @@ #pragma once #include "common/common_types.h" +#include "core/device_memory.h" namespace Kernel::Memory { +constexpr std::size_t KernelAslrAlignment = 2 * 1024 * 1024; +constexpr std::size_t KernelVirtualAddressSpaceWidth = 1ULL << 39; +constexpr std::size_t KernelPhysicalAddressSpaceWidth = 1ULL << 48; +constexpr std::size_t KernelVirtualAddressSpaceBase = 0ULL - KernelVirtualAddressSpaceWidth; +constexpr std::size_t KernelVirtualAddressSpaceEnd = + KernelVirtualAddressSpaceBase + (KernelVirtualAddressSpaceWidth - KernelAslrAlignment); +constexpr std::size_t KernelVirtualAddressSpaceLast = KernelVirtualAddressSpaceEnd - 1; +constexpr std::size_t KernelVirtualAddressSpaceSize = + KernelVirtualAddressSpaceEnd - KernelVirtualAddressSpaceBase; + +constexpr bool IsKernelAddressKey(VAddr key) { + return KernelVirtualAddressSpaceBase <= key && key <= KernelVirtualAddressSpaceLast; +} + +constexpr bool IsKernelAddress(VAddr address) { + return KernelVirtualAddressSpaceBase <= address && address < KernelVirtualAddressSpaceEnd; +} + class MemoryRegion final { friend class MemoryLayout; diff --git a/src/core/hle/kernel/object.h b/src/core/hle/kernel/object.h index e3391e2af..27124ef67 100755 --- a/src/core/hle/kernel/object.h +++ b/src/core/hle/kernel/object.h @@ -50,6 +50,11 @@ public: } virtual HandleType GetHandleType() const = 0; + void Close() { + // TODO(bunnei): This is a placeholder to decrement the reference count, which we will use + // when we implement KAutoObject instead of using shared_ptr. + } + /** * Check if a thread can wait on the object * @return True if a thread can wait on the object, otherwise false diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index b905b486a..37b77fa6e 100755 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -55,7 +55,7 @@ void SetupMainThread(Core::System& system, Process& owner_process, u32 priority, // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires { KScopedSchedulerLock lock{kernel}; - thread->SetStatus(ThreadStatus::Ready); + thread->SetState(ThreadState::Runnable); } } } // Anonymous namespace @@ -162,48 +162,6 @@ u64 Process::GetTotalPhysicalMemoryUsedWithoutSystemResource() const { return GetTotalPhysicalMemoryUsed() - GetSystemResourceUsage(); } -void Process::InsertConditionVariableThread(std::shared_ptr thread) { - VAddr cond_var_addr = thread->GetCondVarWaitAddress(); - std::list>& thread_list = cond_var_threads[cond_var_addr]; - auto it = thread_list.begin(); - while (it != thread_list.end()) { - const std::shared_ptr current_thread = *it; - if (current_thread->GetPriority() > thread->GetPriority()) { - thread_list.insert(it, thread); - return; - } - ++it; - } - thread_list.push_back(thread); -} - -void Process::RemoveConditionVariableThread(std::shared_ptr thread) { - VAddr cond_var_addr = thread->GetCondVarWaitAddress(); - std::list>& thread_list = cond_var_threads[cond_var_addr]; - auto it = thread_list.begin(); - while (it != thread_list.end()) { - const std::shared_ptr current_thread = *it; - if (current_thread.get() == thread.get()) { - thread_list.erase(it); - return; - } - ++it; - } -} - -std::vector> Process::GetConditionVariableThreads( - const VAddr cond_var_addr) { - std::vector> result{}; - std::list>& thread_list = cond_var_threads[cond_var_addr]; - auto it = thread_list.begin(); - while (it != thread_list.end()) { - std::shared_ptr current_thread = *it; - result.push_back(current_thread); - ++it; - } - return result; -} - void Process::RegisterThread(const Thread* thread) { thread_list.push_back(thread); } @@ -318,7 +276,7 @@ void Process::PrepareForTermination() { continue; // TODO(Subv): When are the other running/ready threads terminated? - ASSERT_MSG(thread->GetStatus() == ThreadStatus::WaitSynch, + ASSERT_MSG(thread->GetState() == ThreadState::Waiting, "Exiting processes with non-waiting threads is currently unimplemented"); thread->Stop(); @@ -406,21 +364,18 @@ void Process::LoadModule(CodeSet code_set, VAddr base_addr) { ReprotectSegment(code_set.DataSegment(), Memory::MemoryPermission::ReadAndWrite); } +bool Process::IsSignaled() const { + ASSERT(kernel.GlobalSchedulerContext().IsLocked()); + return is_signaled; +} + Process::Process(Core::System& system) - : SynchronizationObject{system.Kernel()}, page_table{std::make_unique( - system)}, - handle_table{system.Kernel()}, address_arbiter{system}, mutex{system}, system{system} {} + : KSynchronizationObject{system.Kernel()}, + page_table{std::make_unique(system)}, handle_table{system.Kernel()}, + address_arbiter{system}, condition_var{system}, system{system} {} Process::~Process() = default; -void Process::Acquire(Thread* thread) { - ASSERT_MSG(!ShouldWait(thread), "Object unavailable!"); -} - -bool Process::ShouldWait(const Thread* thread) const { - return !is_signaled; -} - void Process::ChangeStatus(ProcessStatus new_status) { if (status == new_status) { return; @@ -428,7 +383,7 @@ void Process::ChangeStatus(ProcessStatus new_status) { status = new_status; is_signaled = true; - Signal(); + NotifyAvailable(); } ResultCode Process::AllocateMainThreadStack(std::size_t stack_size) { diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index e412e58aa..21b6f9bd9 100755 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -11,11 +11,11 @@ #include #include #include "common/common_types.h" -#include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/handle_table.h" -#include "core/hle/kernel/mutex.h" +#include "core/hle/kernel/k_address_arbiter.h" +#include "core/hle/kernel/k_condition_variable.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/process_capability.h" -#include "core/hle/kernel/synchronization_object.h" #include "core/hle/result.h" namespace Core { @@ -63,7 +63,7 @@ enum class ProcessStatus { DebugBreak, }; -class Process final : public SynchronizationObject { +class Process final : public KSynchronizationObject { public: explicit Process(Core::System& system); ~Process() override; @@ -123,24 +123,30 @@ public: return handle_table; } - /// Gets a reference to the process' address arbiter. - AddressArbiter& GetAddressArbiter() { - return address_arbiter; + ResultCode SignalToAddress(VAddr address) { + return condition_var.SignalToAddress(address); } - /// Gets a const reference to the process' address arbiter. - const AddressArbiter& GetAddressArbiter() const { - return address_arbiter; + ResultCode WaitForAddress(Handle handle, VAddr address, u32 tag) { + return condition_var.WaitForAddress(handle, address, tag); } - /// Gets a reference to the process' mutex lock. - Mutex& GetMutex() { - return mutex; + void SignalConditionVariable(u64 cv_key, int32_t count) { + return condition_var.Signal(cv_key, count); } - /// Gets a const reference to the process' mutex lock - const Mutex& GetMutex() const { - return mutex; + ResultCode WaitConditionVariable(VAddr address, u64 cv_key, u32 tag, s64 ns) { + return condition_var.Wait(address, cv_key, tag, ns); + } + + ResultCode SignalAddressArbiter(VAddr address, Svc::SignalType signal_type, s32 value, + s32 count) { + return address_arbiter.SignalToAddress(address, signal_type, value, count); + } + + ResultCode WaitAddressArbiter(VAddr address, Svc::ArbitrationType arb_type, s32 value, + s64 timeout) { + return address_arbiter.WaitForAddress(address, arb_type, value, timeout); } /// Gets the address to the process' dedicated TLS region. @@ -250,15 +256,6 @@ public: return thread_list; } - /// Insert a thread into the condition variable wait container - void InsertConditionVariableThread(std::shared_ptr thread); - - /// Remove a thread from the condition variable wait container - void RemoveConditionVariableThread(std::shared_ptr thread); - - /// Obtain all condition variable threads waiting for some address - std::vector> GetConditionVariableThreads(VAddr cond_var_addr); - /// Registers a thread as being created under this process, /// adding it to this process' thread list. void RegisterThread(const Thread* thread); @@ -304,6 +301,8 @@ public: void LoadModule(CodeSet code_set, VAddr base_addr); + virtual bool IsSignaled() const override; + /////////////////////////////////////////////////////////////////////////////////////////////// // Thread-local storage management @@ -314,12 +313,6 @@ public: void FreeTLSRegion(VAddr tls_address); private: - /// Checks if the specified thread should wait until this process is available. - bool ShouldWait(const Thread* thread) const override; - - /// Acquires/locks this process for the specified thread if it's available. - void Acquire(Thread* thread) override; - /// Changes the process status. If the status is different /// from the current process status, then this will trigger /// a process signal. @@ -373,12 +366,12 @@ private: HandleTable handle_table; /// Per-process address arbiter. - AddressArbiter address_arbiter; + KAddressArbiter address_arbiter; /// The per-process mutex lock instance used for handling various /// forms of services, such as lock arbitration, and condition /// variable related facilities. - Mutex mutex; + KConditionVariable condition_var; /// Address indicating the location of the process' dedicated TLS region. VAddr tls_region_address = 0; @@ -389,9 +382,6 @@ private: /// List of threads that are running with this process as their owner. std::list thread_list; - /// List of threads waiting for a condition variable - std::unordered_map>> cond_var_threads; - /// Address of the top of the main thread's stack VAddr main_thread_stack_top{}; @@ -410,6 +400,8 @@ private: /// Schedule count of this process s64 schedule_count{}; + bool is_signaled{}; + /// System context Core::System& system; }; diff --git a/src/core/hle/kernel/readable_event.cpp b/src/core/hle/kernel/readable_event.cpp index cea262ce0..99ed0857e 100755 --- a/src/core/hle/kernel/readable_event.cpp +++ b/src/core/hle/kernel/readable_event.cpp @@ -14,24 +14,22 @@ namespace Kernel { -ReadableEvent::ReadableEvent(KernelCore& kernel) : SynchronizationObject{kernel} {} +ReadableEvent::ReadableEvent(KernelCore& kernel) : KSynchronizationObject{kernel} {} ReadableEvent::~ReadableEvent() = default; -bool ReadableEvent::ShouldWait(const Thread* thread) const { - return !is_signaled; -} - -void ReadableEvent::Acquire(Thread* thread) { - ASSERT_MSG(IsSignaled(), "object unavailable!"); -} - void ReadableEvent::Signal() { if (is_signaled) { return; } is_signaled = true; - SynchronizationObject::Signal(); + NotifyAvailable(); +} + +bool ReadableEvent::IsSignaled() const { + ASSERT(kernel.GlobalSchedulerContext().IsLocked()); + + return is_signaled; } void ReadableEvent::Clear() { diff --git a/src/core/hle/kernel/readable_event.h b/src/core/hle/kernel/readable_event.h index 3264dd066..95894db8d 100755 --- a/src/core/hle/kernel/readable_event.h +++ b/src/core/hle/kernel/readable_event.h @@ -4,8 +4,8 @@ #pragma once +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/object.h" -#include "core/hle/kernel/synchronization_object.h" union ResultCode; @@ -14,7 +14,7 @@ namespace Kernel { class KernelCore; class WritableEvent; -class ReadableEvent final : public SynchronizationObject { +class ReadableEvent final : public KSynchronizationObject { friend class WritableEvent; public: @@ -32,9 +32,6 @@ public: return HANDLE_TYPE; } - bool ShouldWait(const Thread* thread) const override; - void Acquire(Thread* thread) override; - /// Unconditionally clears the readable event's state. void Clear(); @@ -46,11 +43,14 @@ public: /// then ERR_INVALID_STATE will be returned. ResultCode Reset(); - void Signal() override; + void Signal(); + + virtual bool IsSignaled() const override; private: explicit ReadableEvent(KernelCore& kernel); + bool is_signaled{}; std::string name; ///< Name of event (optional) }; diff --git a/src/core/hle/kernel/server_port.cpp b/src/core/hle/kernel/server_port.cpp index a549ae9d7..82857f93b 100755 --- a/src/core/hle/kernel/server_port.cpp +++ b/src/core/hle/kernel/server_port.cpp @@ -13,7 +13,7 @@ namespace Kernel { -ServerPort::ServerPort(KernelCore& kernel) : SynchronizationObject{kernel} {} +ServerPort::ServerPort(KernelCore& kernel) : KSynchronizationObject{kernel} {} ServerPort::~ServerPort() = default; ResultVal> ServerPort::Accept() { @@ -28,15 +28,9 @@ ResultVal> ServerPort::Accept() { void ServerPort::AppendPendingSession(std::shared_ptr pending_session) { pending_sessions.push_back(std::move(pending_session)); -} - -bool ServerPort::ShouldWait(const Thread* thread) const { - // If there are no pending sessions, we wait until a new one is added. - return pending_sessions.empty(); -} - -void ServerPort::Acquire(Thread* thread) { - ASSERT_MSG(!ShouldWait(thread), "object unavailable!"); + if (pending_sessions.size() == 1) { + NotifyAvailable(); + } } bool ServerPort::IsSignaled() const { diff --git a/src/core/hle/kernel/server_port.h b/src/core/hle/kernel/server_port.h index 41b191b86..587d01e0a 100755 --- a/src/core/hle/kernel/server_port.h +++ b/src/core/hle/kernel/server_port.h @@ -9,8 +9,8 @@ #include #include #include "common/common_types.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/object.h" -#include "core/hle/kernel/synchronization_object.h" #include "core/hle/result.h" namespace Kernel { @@ -20,7 +20,7 @@ class KernelCore; class ServerSession; class SessionRequestHandler; -class ServerPort final : public SynchronizationObject { +class ServerPort final : public KSynchronizationObject { public: explicit ServerPort(KernelCore& kernel); ~ServerPort() override; @@ -79,10 +79,7 @@ public: /// waiting to be accepted by this port. void AppendPendingSession(std::shared_ptr pending_session); - bool ShouldWait(const Thread* thread) const override; - void Acquire(Thread* thread) override; - - bool IsSignaled() const override; + virtual bool IsSignaled() const override; private: /// ServerSessions waiting to be accepted by the port diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp index b40fe3916..4f2bb7822 100755 --- a/src/core/hle/kernel/server_session.cpp +++ b/src/core/hle/kernel/server_session.cpp @@ -24,7 +24,7 @@ namespace Kernel { -ServerSession::ServerSession(KernelCore& kernel) : SynchronizationObject{kernel} {} +ServerSession::ServerSession(KernelCore& kernel) : KSynchronizationObject{kernel} {} ServerSession::~ServerSession() { kernel.ReleaseServiceThread(service_thread); @@ -42,16 +42,6 @@ ResultVal> ServerSession::Create(KernelCore& kern return MakeResult(std::move(session)); } -bool ServerSession::ShouldWait(const Thread* thread) const { - // Closed sessions should never wait, an error will be returned from svcReplyAndReceive. - if (!parent->Client()) { - return false; - } - - // Wait if we have no pending requests, or if we're currently handling a request. - return pending_requesting_threads.empty() || currently_handling != nullptr; -} - bool ServerSession::IsSignaled() const { // Closed sessions should never wait, an error will be returned from svcReplyAndReceive. if (!parent->Client()) { @@ -62,15 +52,6 @@ bool ServerSession::IsSignaled() const { return !pending_requesting_threads.empty() && currently_handling == nullptr; } -void ServerSession::Acquire(Thread* thread) { - ASSERT_MSG(!ShouldWait(thread), "object unavailable!"); - // We are now handling a request, pop it from the stack. - // TODO(Subv): What happens if the client endpoint is closed before any requests are made? - ASSERT(!pending_requesting_threads.empty()); - currently_handling = pending_requesting_threads.back(); - pending_requesting_threads.pop_back(); -} - void ServerSession::ClientDisconnected() { // We keep a shared pointer to the hle handler to keep it alive throughout // the call to ClientDisconnected, as ClientDisconnected invalidates the @@ -172,7 +153,7 @@ ResultCode ServerSession::CompleteSyncRequest(HLERequestContext& context) { { KScopedSchedulerLock lock(kernel); if (!context.IsThreadWaiting()) { - context.GetThread().ResumeFromWait(); + context.GetThread().Wakeup(); context.GetThread().SetSynchronizationResults(nullptr, result); } } diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h index e8d1d99ea..bfeb05c8d 100755 --- a/src/core/hle/kernel/server_session.h +++ b/src/core/hle/kernel/server_session.h @@ -10,8 +10,8 @@ #include #include "common/threadsafe_queue.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/service_thread.h" -#include "core/hle/kernel/synchronization_object.h" #include "core/hle/result.h" namespace Core::Memory { @@ -43,7 +43,7 @@ class Thread; * After the server replies to the request, the response is marshalled back to the caller's * TLS buffer and control is transferred back to it. */ -class ServerSession final : public SynchronizationObject { +class ServerSession final : public KSynchronizationObject { friend class ServiceThread; public: @@ -77,8 +77,6 @@ public: return parent.get(); } - bool IsSignaled() const override; - /** * Sets the HLE handler for the session. This handler will be called to service IPC requests * instead of the regular IPC machinery. (The regular IPC machinery is currently not @@ -100,10 +98,6 @@ public: ResultCode HandleSyncRequest(std::shared_ptr thread, Core::Memory::Memory& memory, Core::Timing::CoreTiming& core_timing); - bool ShouldWait(const Thread* thread) const override; - - void Acquire(Thread* thread) override; - /// Called when a client disconnection occurs. void ClientDisconnected(); @@ -130,6 +124,8 @@ public: convert_to_domain = true; } + virtual bool IsSignaled() const override; + private: /// Queues a sync request from the emulated application. ResultCode QueueSyncRequest(std::shared_ptr thread, Core::Memory::Memory& memory); diff --git a/src/core/hle/kernel/session.cpp b/src/core/hle/kernel/session.cpp index e4dd53e24..75304b961 100755 --- a/src/core/hle/kernel/session.cpp +++ b/src/core/hle/kernel/session.cpp @@ -9,7 +9,7 @@ namespace Kernel { -Session::Session(KernelCore& kernel) : SynchronizationObject{kernel} {} +Session::Session(KernelCore& kernel) : KSynchronizationObject{kernel} {} Session::~Session() = default; Session::SessionPair Session::Create(KernelCore& kernel, std::string name) { @@ -24,18 +24,9 @@ Session::SessionPair Session::Create(KernelCore& kernel, std::string name) { return std::make_pair(std::move(client_session), std::move(server_session)); } -bool Session::ShouldWait(const Thread* thread) const { - UNIMPLEMENTED(); - return {}; -} - bool Session::IsSignaled() const { UNIMPLEMENTED(); return true; } -void Session::Acquire(Thread* thread) { - UNIMPLEMENTED(); -} - } // namespace Kernel diff --git a/src/core/hle/kernel/session.h b/src/core/hle/kernel/session.h index 7cd9c0d77..f6dd2c1d2 100755 --- a/src/core/hle/kernel/session.h +++ b/src/core/hle/kernel/session.h @@ -8,7 +8,7 @@ #include #include -#include "core/hle/kernel/synchronization_object.h" +#include "core/hle/kernel/k_synchronization_object.h" namespace Kernel { @@ -19,7 +19,7 @@ class ServerSession; * Parent structure to link the client and server endpoints of a session with their associated * client port. */ -class Session final : public SynchronizationObject { +class Session final : public KSynchronizationObject { public: explicit Session(KernelCore& kernel); ~Session() override; @@ -37,12 +37,8 @@ public: return HANDLE_TYPE; } - bool ShouldWait(const Thread* thread) const override; - bool IsSignaled() const override; - void Acquire(Thread* thread) override; - std::shared_ptr Client() { if (auto result{client.lock()}) { return result; diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index de3ed25da..99bb4ea20 100755 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -10,6 +10,7 @@ #include "common/alignment.h" #include "common/assert.h" +#include "common/common_funcs.h" #include "common/fiber.h" #include "common/logging/log.h" #include "common/microprofile.h" @@ -19,26 +20,28 @@ #include "core/core_timing.h" #include "core/core_timing_util.h" #include "core/cpu_manager.h" -#include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/client_port.h" #include "core/hle/kernel/client_session.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/handle_table.h" +#include "core/hle/kernel/k_address_arbiter.h" +#include "core/hle/kernel/k_condition_variable.h" #include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/memory/memory_block.h" +#include "core/hle/kernel/memory/memory_layout.h" #include "core/hle/kernel/memory/page_table.h" -#include "core/hle/kernel/mutex.h" #include "core/hle/kernel/physical_core.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/readable_event.h" #include "core/hle/kernel/resource_limit.h" #include "core/hle/kernel/shared_memory.h" #include "core/hle/kernel/svc.h" +#include "core/hle/kernel/svc_results.h" #include "core/hle/kernel/svc_types.h" #include "core/hle/kernel/svc_wrap.h" -#include "core/hle/kernel/synchronization.h" #include "core/hle/kernel/thread.h" #include "core/hle/kernel/time_manager.h" #include "core/hle/kernel/transfer_memory.h" @@ -343,27 +346,10 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) { auto thread = kernel.CurrentScheduler()->GetCurrentThread(); { KScopedSchedulerLock lock(kernel); - thread->InvalidateHLECallback(); - thread->SetStatus(ThreadStatus::WaitIPC); + thread->SetState(ThreadState::Waiting); session->SendSyncRequest(SharedFrom(thread), system.Memory(), system.CoreTiming()); } - if (thread->HasHLECallback()) { - Handle event_handle = thread->GetHLETimeEvent(); - if (event_handle != InvalidHandle) { - auto& time_manager = kernel.TimeManager(); - time_manager.UnscheduleTimeEvent(event_handle); - } - - { - KScopedSchedulerLock lock(kernel); - auto* sync_object = thread->GetHLESyncObject(); - sync_object->RemoveWaitingThread(SharedFrom(thread)); - } - - thread->InvokeHLECallback(SharedFrom(thread)); - } - return thread->GetSignalingResult(); } @@ -436,7 +422,7 @@ static ResultCode GetProcessId32(Core::System& system, u32* process_id_low, u32* } /// Wait for the given handles to synchronize, timeout after the specified nanoseconds -static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr handles_address, +static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr handles_address, u64 handle_count, s64 nano_seconds) { LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, handle_count={}, nano_seconds={}", handles_address, handle_count, nano_seconds); @@ -458,28 +444,26 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr } auto& kernel = system.Kernel(); - Thread::ThreadSynchronizationObjects objects(handle_count); + std::vector objects(handle_count); const auto& handle_table = kernel.CurrentProcess()->GetHandleTable(); for (u64 i = 0; i < handle_count; ++i) { const Handle handle = memory.Read32(handles_address + i * sizeof(Handle)); - const auto object = handle_table.Get(handle); + const auto object = handle_table.Get(handle); if (object == nullptr) { LOG_ERROR(Kernel_SVC, "Object is a nullptr"); return ERR_INVALID_HANDLE; } - objects[i] = object; + objects[i] = object.get(); } - auto& synchronization = kernel.Synchronization(); - const auto [result, handle_result] = synchronization.WaitFor(objects, nano_seconds); - *index = handle_result; - return result; + return KSynchronizationObject::Wait(kernel, index, objects.data(), + static_cast(objects.size()), nano_seconds); } static ResultCode WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address, - s32 handle_count, u32 timeout_high, Handle* index) { + s32 handle_count, u32 timeout_high, s32* index) { const s64 nano_seconds{(static_cast(timeout_high) << 32) | static_cast(timeout_low)}; return WaitSynchronization(system, index, handles_address, handle_count, nano_seconds); } @@ -504,56 +488,37 @@ static ResultCode CancelSynchronization32(Core::System& system, Handle thread_ha return CancelSynchronization(system, thread_handle); } -/// Attempts to locks a mutex, creating it if it does not already exist -static ResultCode ArbitrateLock(Core::System& system, Handle holding_thread_handle, - VAddr mutex_addr, Handle requesting_thread_handle) { - LOG_TRACE(Kernel_SVC, - "called holding_thread_handle=0x{:08X}, mutex_addr=0x{:X}, " - "requesting_current_thread_handle=0x{:08X}", - holding_thread_handle, mutex_addr, requesting_thread_handle); +/// Attempts to locks a mutex +static ResultCode ArbitrateLock(Core::System& system, Handle thread_handle, VAddr address, + u32 tag) { + LOG_TRACE(Kernel_SVC, "called thread_handle=0x{:08X}, address=0x{:X}, tag=0x{:08X}", + thread_handle, address, tag); - if (Core::Memory::IsKernelVirtualAddress(mutex_addr)) { - LOG_ERROR(Kernel_SVC, "Mutex Address is a kernel virtual address, mutex_addr={:016X}", - mutex_addr); - return ERR_INVALID_ADDRESS_STATE; - } + // Validate the input address. + R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory); + R_UNLESS(Common::IsAligned(address, sizeof(u32)), Svc::ResultInvalidAddress); - if (!Common::IsWordAligned(mutex_addr)) { - LOG_ERROR(Kernel_SVC, "Mutex Address is not word aligned, mutex_addr={:016X}", mutex_addr); - return ERR_INVALID_ADDRESS; - } - - auto* const current_process = system.Kernel().CurrentProcess(); - return current_process->GetMutex().TryAcquire(mutex_addr, holding_thread_handle, - requesting_thread_handle); + return system.Kernel().CurrentProcess()->WaitForAddress(thread_handle, address, tag); } -static ResultCode ArbitrateLock32(Core::System& system, Handle holding_thread_handle, - u32 mutex_addr, Handle requesting_thread_handle) { - return ArbitrateLock(system, holding_thread_handle, mutex_addr, requesting_thread_handle); +static ResultCode ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address, + u32 tag) { + return ArbitrateLock(system, thread_handle, address, tag); } /// Unlock a mutex -static ResultCode ArbitrateUnlock(Core::System& system, VAddr mutex_addr) { - LOG_TRACE(Kernel_SVC, "called mutex_addr=0x{:X}", mutex_addr); +static ResultCode ArbitrateUnlock(Core::System& system, VAddr address) { + LOG_TRACE(Kernel_SVC, "called address=0x{:X}", address); - if (Core::Memory::IsKernelVirtualAddress(mutex_addr)) { - LOG_ERROR(Kernel_SVC, "Mutex Address is a kernel virtual address, mutex_addr={:016X}", - mutex_addr); - return ERR_INVALID_ADDRESS_STATE; - } + // Validate the input address. + R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory); + R_UNLESS(Common::IsAligned(address, sizeof(u32)), Svc::ResultInvalidAddress); - if (!Common::IsWordAligned(mutex_addr)) { - LOG_ERROR(Kernel_SVC, "Mutex Address is not word aligned, mutex_addr={:016X}", mutex_addr); - return ERR_INVALID_ADDRESS; - } - - auto* const current_process = system.Kernel().CurrentProcess(); - return current_process->GetMutex().Release(mutex_addr); + return system.Kernel().CurrentProcess()->SignalToAddress(address); } -static ResultCode ArbitrateUnlock32(Core::System& system, u32 mutex_addr) { - return ArbitrateUnlock(system, mutex_addr); +static ResultCode ArbitrateUnlock32(Core::System& system, u32 address) { + return ArbitrateUnlock(system, address); } enum class BreakType : u32 { @@ -1180,7 +1145,7 @@ static ResultCode SetThreadPriority(Core::System& system, Handle handle, u32 pri return ERR_INVALID_HANDLE; } - thread->SetPriority(priority); + thread->SetBasePriority(priority); return RESULT_SUCCESS; } @@ -1559,7 +1524,7 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) { return ERR_INVALID_HANDLE; } - ASSERT(thread->GetStatus() == ThreadStatus::Dormant); + ASSERT(thread->GetState() == ThreadState::Initialized); return thread->Start(); } @@ -1620,224 +1585,135 @@ static void SleepThread32(Core::System& system, u32 nanoseconds_low, u32 nanosec } /// Wait process wide key atomic -static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_addr, - VAddr condition_variable_addr, Handle thread_handle, - s64 nano_seconds) { - LOG_TRACE( - Kernel_SVC, - "called mutex_addr={:X}, condition_variable_addr={:X}, thread_handle=0x{:08X}, timeout={}", - mutex_addr, condition_variable_addr, thread_handle, nano_seconds); +static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr address, VAddr cv_key, + u32 tag, s64 timeout_ns) { + LOG_TRACE(Kernel_SVC, "called address={:X}, cv_key={:X}, tag=0x{:08X}, timeout_ns={}", address, + cv_key, tag, timeout_ns); - if (Core::Memory::IsKernelVirtualAddress(mutex_addr)) { - LOG_ERROR( - Kernel_SVC, - "Given mutex address must not be within the kernel address space. address=0x{:016X}", - mutex_addr); - return ERR_INVALID_ADDRESS_STATE; - } + // Validate input. + R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory); + R_UNLESS(Common::IsAligned(address, sizeof(int32_t)), Svc::ResultInvalidAddress); - if (!Common::IsWordAligned(mutex_addr)) { - LOG_ERROR(Kernel_SVC, "Given mutex address must be word-aligned. address=0x{:016X}", - mutex_addr); - return ERR_INVALID_ADDRESS; - } - - ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4)); - auto& kernel = system.Kernel(); - Handle event_handle; - Thread* current_thread = kernel.CurrentScheduler()->GetCurrentThread(); - auto* const current_process = kernel.CurrentProcess(); - { - KScopedSchedulerLockAndSleep lock(kernel, event_handle, current_thread, nano_seconds); - const auto& handle_table = current_process->GetHandleTable(); - std::shared_ptr thread = handle_table.Get(thread_handle); - ASSERT(thread); - - current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); - - if (thread->IsPendingTermination()) { - lock.CancelSleep(); - return ERR_THREAD_TERMINATING; + // Convert timeout from nanoseconds to ticks. + s64 timeout{}; + if (timeout_ns > 0) { + const s64 offset_tick(timeout_ns); + if (offset_tick > 0) { + timeout = offset_tick + 2; + if (timeout <= 0) { + timeout = std::numeric_limits::max(); + } + } else { + timeout = std::numeric_limits::max(); } - - const auto release_result = current_process->GetMutex().Release(mutex_addr); - if (release_result.IsError()) { - lock.CancelSleep(); - return release_result; - } - - if (nano_seconds == 0) { - lock.CancelSleep(); - return RESULT_TIMEOUT; - } - - current_thread->SetCondVarWaitAddress(condition_variable_addr); - current_thread->SetMutexWaitAddress(mutex_addr); - current_thread->SetWaitHandle(thread_handle); - current_thread->SetStatus(ThreadStatus::WaitCondVar); - current_process->InsertConditionVariableThread(SharedFrom(current_thread)); + } else { + timeout = timeout_ns; } - if (event_handle != InvalidHandle) { - auto& time_manager = kernel.TimeManager(); - time_manager.UnscheduleTimeEvent(event_handle); - } - - { - KScopedSchedulerLock lock(kernel); - - auto* owner = current_thread->GetLockOwner(); - if (owner != nullptr) { - owner->RemoveMutexWaiter(SharedFrom(current_thread)); - } - - current_process->RemoveConditionVariableThread(SharedFrom(current_thread)); - } - // Note: Deliberately don't attempt to inherit the lock owner's priority. - - return current_thread->GetSignalingResult(); + // Wait on the condition variable. + return system.Kernel().CurrentProcess()->WaitConditionVariable( + address, Common::AlignDown(cv_key, sizeof(u32)), tag, timeout); } -static ResultCode WaitProcessWideKeyAtomic32(Core::System& system, u32 mutex_addr, - u32 condition_variable_addr, Handle thread_handle, - u32 nanoseconds_low, u32 nanoseconds_high) { - const auto nanoseconds = static_cast(nanoseconds_low | (u64{nanoseconds_high} << 32)); - return WaitProcessWideKeyAtomic(system, mutex_addr, condition_variable_addr, thread_handle, - nanoseconds); +static ResultCode WaitProcessWideKeyAtomic32(Core::System& system, u32 address, u32 cv_key, u32 tag, + u32 timeout_ns_low, u32 timeout_ns_high) { + const auto timeout_ns = static_cast(timeout_ns_low | (u64{timeout_ns_high} << 32)); + return WaitProcessWideKeyAtomic(system, address, cv_key, tag, timeout_ns); } /// Signal process wide key -static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_addr, s32 target) { - LOG_TRACE(Kernel_SVC, "called, condition_variable_addr=0x{:X}, target=0x{:08X}", - condition_variable_addr, target); +static void SignalProcessWideKey(Core::System& system, VAddr cv_key, s32 count) { + LOG_TRACE(Kernel_SVC, "called, cv_key=0x{:X}, count=0x{:08X}", cv_key, count); - ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4)); + // Signal the condition variable. + return system.Kernel().CurrentProcess()->SignalConditionVariable( + Common::AlignDown(cv_key, sizeof(u32)), count); +} - // Retrieve a list of all threads that are waiting for this condition variable. - auto& kernel = system.Kernel(); - KScopedSchedulerLock lock(kernel); - auto* const current_process = kernel.CurrentProcess(); - std::vector> waiting_threads = - current_process->GetConditionVariableThreads(condition_variable_addr); +static void SignalProcessWideKey32(Core::System& system, u32 cv_key, s32 count) { + SignalProcessWideKey(system, cv_key, count); +} - // Only process up to 'target' threads, unless 'target' is less equal 0, in which case process - // them all. - std::size_t last = waiting_threads.size(); - if (target > 0) { - last = std::min(waiting_threads.size(), static_cast(target)); - } - for (std::size_t index = 0; index < last; ++index) { - auto& thread = waiting_threads[index]; +namespace { - ASSERT(thread->GetCondVarWaitAddress() == condition_variable_addr); - - // liberate Cond Var Thread. - current_process->RemoveConditionVariableThread(thread); - - const std::size_t current_core = system.CurrentCoreIndex(); - auto& monitor = system.Monitor(); - - // Atomically read the value of the mutex. - u32 mutex_val = 0; - u32 update_val = 0; - const VAddr mutex_address = thread->GetMutexWaitAddress(); - do { - // If the mutex is not yet acquired, acquire it. - mutex_val = monitor.ExclusiveRead32(current_core, mutex_address); - - if (mutex_val != 0) { - update_val = mutex_val | Mutex::MutexHasWaitersFlag; - } else { - update_val = thread->GetWaitHandle(); - } - } while (!monitor.ExclusiveWrite32(current_core, mutex_address, update_val)); - monitor.ClearExclusive(); - if (mutex_val == 0) { - // We were able to acquire the mutex, resume this thread. - auto* const lock_owner = thread->GetLockOwner(); - if (lock_owner != nullptr) { - lock_owner->RemoveMutexWaiter(thread); - } - - thread->SetLockOwner(nullptr); - thread->SetSynchronizationResults(nullptr, RESULT_SUCCESS); - thread->ResumeFromWait(); - } else { - // The mutex is already owned by some other thread, make this thread wait on it. - const Handle owner_handle = static_cast(mutex_val & Mutex::MutexOwnerMask); - const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); - auto owner = handle_table.Get(owner_handle); - ASSERT(owner); - if (thread->GetStatus() == ThreadStatus::WaitCondVar) { - thread->SetStatus(ThreadStatus::WaitMutex); - } - - owner->AddMutexWaiter(thread); - } +constexpr bool IsValidSignalType(Svc::SignalType type) { + switch (type) { + case Svc::SignalType::Signal: + case Svc::SignalType::SignalAndIncrementIfEqual: + case Svc::SignalType::SignalAndModifyByWaitingCountIfEqual: + return true; + default: + return false; } } -static void SignalProcessWideKey32(Core::System& system, u32 condition_variable_addr, s32 target) { - SignalProcessWideKey(system, condition_variable_addr, target); +constexpr bool IsValidArbitrationType(Svc::ArbitrationType type) { + switch (type) { + case Svc::ArbitrationType::WaitIfLessThan: + case Svc::ArbitrationType::DecrementAndWaitIfLessThan: + case Svc::ArbitrationType::WaitIfEqual: + return true; + default: + return false; + } } +} // namespace + // Wait for an address (via Address Arbiter) -static ResultCode WaitForAddress(Core::System& system, VAddr address, u32 type, s32 value, - s64 timeout) { - LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, type=0x{:X}, value=0x{:X}, timeout={}", address, - type, value, timeout); +static ResultCode WaitForAddress(Core::System& system, VAddr address, Svc::ArbitrationType arb_type, + s32 value, s64 timeout_ns) { + LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, arb_type=0x{:X}, value=0x{:X}, timeout_ns={}", + address, arb_type, value, timeout_ns); - // If the passed address is a kernel virtual address, return invalid memory state. - if (Core::Memory::IsKernelVirtualAddress(address)) { - LOG_ERROR(Kernel_SVC, "Address is a kernel virtual address, address={:016X}", address); - return ERR_INVALID_ADDRESS_STATE; + // Validate input. + R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory); + R_UNLESS(Common::IsAligned(address, sizeof(int32_t)), Svc::ResultInvalidAddress); + R_UNLESS(IsValidArbitrationType(arb_type), Svc::ResultInvalidEnumValue); + + // Convert timeout from nanoseconds to ticks. + s64 timeout{}; + if (timeout_ns > 0) { + const s64 offset_tick(timeout_ns); + if (offset_tick > 0) { + timeout = offset_tick + 2; + if (timeout <= 0) { + timeout = std::numeric_limits::max(); + } + } else { + timeout = std::numeric_limits::max(); + } + } else { + timeout = timeout_ns; } - // If the address is not properly aligned to 4 bytes, return invalid address. - if (!Common::IsWordAligned(address)) { - LOG_ERROR(Kernel_SVC, "Address is not word aligned, address={:016X}", address); - return ERR_INVALID_ADDRESS; - } - - const auto arbitration_type = static_cast(type); - auto& address_arbiter = system.Kernel().CurrentProcess()->GetAddressArbiter(); - const ResultCode result = - address_arbiter.WaitForAddress(address, arbitration_type, value, timeout); - return result; + return system.Kernel().CurrentProcess()->WaitAddressArbiter(address, arb_type, value, timeout); } -static ResultCode WaitForAddress32(Core::System& system, u32 address, u32 type, s32 value, - u32 timeout_low, u32 timeout_high) { - const auto timeout = static_cast(timeout_low | (u64{timeout_high} << 32)); - return WaitForAddress(system, address, type, value, timeout); +static ResultCode WaitForAddress32(Core::System& system, u32 address, Svc::ArbitrationType arb_type, + s32 value, u32 timeout_ns_low, u32 timeout_ns_high) { + const auto timeout = static_cast(timeout_ns_low | (u64{timeout_ns_high} << 32)); + return WaitForAddress(system, address, arb_type, value, timeout); } // Signals to an address (via Address Arbiter) -static ResultCode SignalToAddress(Core::System& system, VAddr address, u32 type, s32 value, - s32 num_to_wake) { - LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, type=0x{:X}, value=0x{:X}, num_to_wake=0x{:X}", - address, type, value, num_to_wake); +static ResultCode SignalToAddress(Core::System& system, VAddr address, Svc::SignalType signal_type, + s32 value, s32 count) { + LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, signal_type=0x{:X}, value=0x{:X}, count=0x{:X}", + address, signal_type, value, count); - // If the passed address is a kernel virtual address, return invalid memory state. - if (Core::Memory::IsKernelVirtualAddress(address)) { - LOG_ERROR(Kernel_SVC, "Address is a kernel virtual address, address={:016X}", address); - return ERR_INVALID_ADDRESS_STATE; - } + // Validate input. + R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory); + R_UNLESS(Common::IsAligned(address, sizeof(s32)), Svc::ResultInvalidAddress); + R_UNLESS(IsValidSignalType(signal_type), Svc::ResultInvalidEnumValue); - // If the address is not properly aligned to 4 bytes, return invalid address. - if (!Common::IsWordAligned(address)) { - LOG_ERROR(Kernel_SVC, "Address is not word aligned, address={:016X}", address); - return ERR_INVALID_ADDRESS; - } - - const auto signal_type = static_cast(type); - auto& address_arbiter = system.Kernel().CurrentProcess()->GetAddressArbiter(); - return address_arbiter.SignalToAddress(address, signal_type, value, num_to_wake); + return system.Kernel().CurrentProcess()->SignalAddressArbiter(address, signal_type, value, + count); } -static ResultCode SignalToAddress32(Core::System& system, u32 address, u32 type, s32 value, - s32 num_to_wake) { - return SignalToAddress(system, address, type, value, num_to_wake); +static ResultCode SignalToAddress32(Core::System& system, u32 address, Svc::SignalType signal_type, + s32 value, s32 count) { + return SignalToAddress(system, address, signal_type, value, count); } static void KernelDebug([[maybe_unused]] Core::System& system, diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h index 986724beb..356947741 100755 --- a/src/core/hle/kernel/svc_types.h +++ b/src/core/hle/kernel/svc_types.h @@ -65,4 +65,16 @@ struct MemoryInfo { u32 padding{}; }; +enum class SignalType : u32 { + Signal = 0, + SignalAndIncrementIfEqual = 1, + SignalAndModifyByWaitingCountIfEqual = 2, +}; + +enum class ArbitrationType : u32 { + WaitIfLessThan = 0, + DecrementAndWaitIfLessThan = 1, + WaitIfEqual = 2, +}; + } // namespace Kernel::Svc diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h index 0b6dd9df0..a32750ed7 100755 --- a/src/core/hle/kernel/svc_wrap.h +++ b/src/core/hle/kernel/svc_wrap.h @@ -7,6 +7,7 @@ #include "common/common_types.h" #include "core/arm/arm_interface.h" #include "core/core.h" +#include "core/hle/kernel/svc_types.h" #include "core/hle/result.h" namespace Kernel { @@ -215,9 +216,10 @@ void SvcWrap64(Core::System& system) { func(system, static_cast(Param(system, 0)), Param(system, 1), Param(system, 2)).raw); } -template +// Used by WaitSynchronization +template void SvcWrap64(Core::System& system) { - u32 param_1 = 0; + s32 param_1 = 0; const u32 retval = func(system, ¶m_1, Param(system, 1), static_cast(Param(system, 2)), static_cast(Param(system, 3))) .raw; @@ -276,18 +278,22 @@ void SvcWrap64(Core::System& system) { FuncReturn(system, retval); } -template +// Used by WaitForAddress +template void SvcWrap64(Core::System& system) { - FuncReturn(system, func(system, Param(system, 0), static_cast(Param(system, 1)), - static_cast(Param(system, 2)), static_cast(Param(system, 3))) - .raw); + FuncReturn(system, + func(system, Param(system, 0), static_cast(Param(system, 1)), + static_cast(Param(system, 2)), static_cast(Param(system, 3))) + .raw); } -template +// Used by SignalToAddress +template void SvcWrap64(Core::System& system) { - FuncReturn(system, func(system, Param(system, 0), static_cast(Param(system, 1)), - static_cast(Param(system, 2)), static_cast(Param(system, 3))) - .raw); + FuncReturn(system, + func(system, Param(system, 0), static_cast(Param(system, 1)), + static_cast(Param(system, 2)), static_cast(Param(system, 3))) + .raw); } //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -503,22 +509,23 @@ void SvcWrap32(Core::System& system) { } // Used by WaitForAddress32 -template +template void SvcWrap32(Core::System& system) { const u32 retval = func(system, static_cast(Param(system, 0)), - static_cast(Param(system, 1)), static_cast(Param(system, 2)), - static_cast(Param(system, 3)), static_cast(Param(system, 4))) + static_cast(Param(system, 1)), + static_cast(Param(system, 2)), static_cast(Param(system, 3)), + static_cast(Param(system, 4))) .raw; FuncReturn(system, retval); } // Used by SignalToAddress32 -template +template void SvcWrap32(Core::System& system) { - const u32 retval = - func(system, static_cast(Param(system, 0)), static_cast(Param(system, 1)), - static_cast(Param(system, 2)), static_cast(Param(system, 3))) - .raw; + const u32 retval = func(system, static_cast(Param(system, 0)), + static_cast(Param(system, 1)), + static_cast(Param(system, 2)), static_cast(Param(system, 3))) + .raw; FuncReturn(system, retval); } @@ -539,9 +546,9 @@ void SvcWrap32(Core::System& system) { } // Used by WaitSynchronization32 -template +template void SvcWrap32(Core::System& system) { - u32 param_1 = 0; + s32 param_1 = 0; const u32 retval = func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2), Param32(system, 3), ¶m_1) .raw; diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index a4f9e0d97..eda56c31c 100755 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -17,9 +17,11 @@ #include "core/hardware_properties.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/handle_table.h" +#include "core/hle/kernel/k_condition_variable.h" #include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h" #include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/memory/memory_layout.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/thread.h" @@ -34,26 +36,19 @@ namespace Kernel { -bool Thread::ShouldWait(const Thread* thread) const { - return status != ThreadStatus::Dead; -} - bool Thread::IsSignaled() const { - return status == ThreadStatus::Dead; + return signaled; } -void Thread::Acquire(Thread* thread) { - ASSERT_MSG(!ShouldWait(thread), "object unavailable!"); -} - -Thread::Thread(KernelCore& kernel) : SynchronizationObject{kernel} {} +Thread::Thread(KernelCore& kernel) : KSynchronizationObject{kernel} {} Thread::~Thread() = default; void Thread::Stop() { { KScopedSchedulerLock lock(kernel); - SetStatus(ThreadStatus::Dead); - Signal(); + SetState(ThreadState::Terminated); + signaled = true; + NotifyAvailable(); kernel.GlobalHandleTable().Close(global_handle); if (owner_process) { @@ -67,59 +62,27 @@ void Thread::Stop() { global_handle = 0; } -void Thread::ResumeFromWait() { +void Thread::Wakeup() { KScopedSchedulerLock lock(kernel); - switch (status) { - case ThreadStatus::Paused: - case ThreadStatus::WaitSynch: - case ThreadStatus::WaitHLEEvent: - case ThreadStatus::WaitSleep: - case ThreadStatus::WaitIPC: - case ThreadStatus::WaitMutex: - case ThreadStatus::WaitCondVar: - case ThreadStatus::WaitArb: - case ThreadStatus::Dormant: - break; - - case ThreadStatus::Ready: - // The thread's wakeup callback must have already been cleared when the thread was first - // awoken. - ASSERT(hle_callback == nullptr); - // If the thread is waiting on multiple wait objects, it might be awoken more than once - // before actually resuming. We can ignore subsequent wakeups if the thread status has - // already been set to ThreadStatus::Ready. - return; - case ThreadStatus::Dead: - // This should never happen, as threads must complete before being stopped. - DEBUG_ASSERT_MSG(false, "Thread with object id {} cannot be resumed because it's DEAD.", - GetObjectId()); - return; - } - - SetStatus(ThreadStatus::Ready); -} - -void Thread::OnWakeUp() { - KScopedSchedulerLock lock(kernel); - SetStatus(ThreadStatus::Ready); + SetState(ThreadState::Runnable); } ResultCode Thread::Start() { KScopedSchedulerLock lock(kernel); - SetStatus(ThreadStatus::Ready); + SetState(ThreadState::Runnable); return RESULT_SUCCESS; } void Thread::CancelWait() { KScopedSchedulerLock lock(kernel); - if (GetSchedulingStatus() != ThreadSchedStatus::Paused || !is_waiting_on_sync) { + if (GetState() != ThreadState::Waiting || !is_cancellable) { is_sync_cancelled = true; return; } // TODO(Blinkhawk): Implement cancel of server session is_sync_cancelled = false; SetSynchronizationResults(nullptr, ERR_SYNCHRONIZATION_CANCELED); - SetStatus(ThreadStatus::Ready); + SetState(ThreadState::Runnable); } static void ResetThreadContext32(Core::ARM_Interface::ThreadContext32& context, u32 stack_top, @@ -183,25 +146,24 @@ ResultVal> Thread::Create(Core::System& system, ThreadTy std::shared_ptr thread = std::make_shared(kernel); thread->thread_id = kernel.CreateNewThreadID(); - thread->status = ThreadStatus::Dormant; + thread->thread_state = ThreadState::Initialized; thread->entry_point = entry_point; thread->stack_top = stack_top; thread->disable_count = 1; thread->tpidr_el0 = 0; - thread->nominal_priority = thread->current_priority = priority; + thread->current_priority = priority; + thread->base_priority = priority; + thread->lock_owner = nullptr; thread->schedule_count = -1; thread->last_scheduled_tick = 0; thread->processor_id = processor_id; thread->ideal_core = processor_id; thread->affinity_mask.SetAffinity(processor_id, true); - thread->wait_objects = nullptr; - thread->mutex_wait_address = 0; - thread->condvar_wait_address = 0; - thread->wait_handle = 0; thread->name = std::move(name); thread->global_handle = kernel.GlobalHandleTable().Create(thread).Unwrap(); thread->owner_process = owner_process; thread->type = type_flags; + thread->signaled = false; if ((type_flags & THREADTYPE_IDLE) == 0) { auto& scheduler = kernel.GlobalSchedulerContext(); scheduler.AddThread(thread); @@ -226,153 +188,182 @@ ResultVal> Thread::Create(Core::System& system, ThreadTy return MakeResult>(std::move(thread)); } -void Thread::SetPriority(u32 priority) { - KScopedSchedulerLock lock(kernel); +void Thread::SetBasePriority(u32 priority) { ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST, "Invalid priority value."); - nominal_priority = priority; - UpdatePriority(); + + KScopedSchedulerLock lock(kernel); + + // Change our base priority. + base_priority = priority; + + // Perform a priority restoration. + RestorePriority(kernel, this); } -void Thread::SetSynchronizationResults(SynchronizationObject* object, ResultCode result) { +void Thread::SetSynchronizationResults(KSynchronizationObject* object, ResultCode result) { signaling_object = object; signaling_result = result; } -s32 Thread::GetSynchronizationObjectIndex(std::shared_ptr object) const { - ASSERT_MSG(!wait_objects->empty(), "Thread is not waiting for anything"); - const auto match = std::find(wait_objects->rbegin(), wait_objects->rend(), object); - return static_cast(std::distance(match, wait_objects->rend()) - 1); -} - VAddr Thread::GetCommandBufferAddress() const { // Offset from the start of TLS at which the IPC command buffer begins. constexpr u64 command_header_offset = 0x80; return GetTLSAddress() + command_header_offset; } -void Thread::SetStatus(ThreadStatus new_status) { - if (new_status == status) { - return; - } +void Thread::SetState(ThreadState state) { + KScopedSchedulerLock sl(kernel); - switch (new_status) { - case ThreadStatus::Ready: - SetSchedulingStatus(ThreadSchedStatus::Runnable); - break; - case ThreadStatus::Dormant: - SetSchedulingStatus(ThreadSchedStatus::None); - break; - case ThreadStatus::Dead: - SetSchedulingStatus(ThreadSchedStatus::Exited); - break; - default: - SetSchedulingStatus(ThreadSchedStatus::Paused); - break; + SetMutexWaitAddressForDebugging(0); + const ThreadState old_state = thread_state; + thread_state = + static_cast((old_state & ~ThreadState::Mask) | (state & ThreadState::Mask)); + if (thread_state != old_state) { + KScheduler::OnThreadStateChanged(kernel, this, old_state); } - - status = new_status; } -void Thread::AddMutexWaiter(std::shared_ptr thread) { - if (thread->lock_owner.get() == this) { - // If the thread is already waiting for this thread to release the mutex, ensure that the - // waiters list is consistent and return without doing anything. - const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); - ASSERT(iter != wait_mutex_threads.end()); - return; +void Thread::AddWaiterImpl(Thread* thread) { + ASSERT(kernel.GlobalSchedulerContext().IsLocked()); + + // Find the right spot to insert the waiter. + auto it = waiter_list.begin(); + while (it != waiter_list.end()) { + if (it->GetPriority() > thread->GetPriority()) { + break; + } + it++; } - // A thread can't wait on two different mutexes at the same time. - ASSERT(thread->lock_owner == nullptr); + // Keep track of how many kernel waiters we have. + if (Memory::IsKernelAddressKey(thread->GetAddressKey())) { + ASSERT((num_kernel_waiters++) >= 0); + } - // Ensure that the thread is not already in the list of mutex waiters - const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); - ASSERT(iter == wait_mutex_threads.end()); - - // Keep the list in an ordered fashion - const auto insertion_point = std::find_if( - wait_mutex_threads.begin(), wait_mutex_threads.end(), - [&thread](const auto& entry) { return entry->GetPriority() > thread->GetPriority(); }); - wait_mutex_threads.insert(insertion_point, thread); - thread->lock_owner = SharedFrom(this); - - UpdatePriority(); + // Insert the waiter. + waiter_list.insert(it, *thread); + thread->SetLockOwner(this); } -void Thread::RemoveMutexWaiter(std::shared_ptr thread) { - ASSERT(thread->lock_owner.get() == this); +void Thread::RemoveWaiterImpl(Thread* thread) { + ASSERT(kernel.GlobalSchedulerContext().IsLocked()); - // Ensure that the thread is in the list of mutex waiters - const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); - ASSERT(iter != wait_mutex_threads.end()); + // Keep track of how many kernel waiters we have. + if (Memory::IsKernelAddressKey(thread->GetAddressKey())) { + ASSERT((num_kernel_waiters--) > 0); + } - wait_mutex_threads.erase(iter); - - thread->lock_owner = nullptr; - UpdatePriority(); + // Remove the waiter. + waiter_list.erase(waiter_list.iterator_to(*thread)); + thread->SetLockOwner(nullptr); } -void Thread::UpdatePriority() { - // If any of the threads waiting on the mutex have a higher priority - // (taking into account priority inheritance), then this thread inherits - // that thread's priority. - u32 new_priority = nominal_priority; - if (!wait_mutex_threads.empty()) { - if (wait_mutex_threads.front()->current_priority < new_priority) { - new_priority = wait_mutex_threads.front()->current_priority; +void Thread::RestorePriority(KernelCore& kernel, Thread* thread) { + ASSERT(kernel.GlobalSchedulerContext().IsLocked()); + + while (true) { + // We want to inherit priority where possible. + s32 new_priority = thread->GetBasePriority(); + if (thread->HasWaiters()) { + new_priority = std::min(new_priority, thread->waiter_list.front().GetPriority()); + } + + // If the priority we would inherit is not different from ours, don't do anything. + if (new_priority == thread->GetPriority()) { + return; + } + + // Ensure we don't violate condition variable red black tree invariants. + if (auto* cv_tree = thread->GetConditionVariableTree(); cv_tree != nullptr) { + BeforeUpdatePriority(kernel, cv_tree, thread); + } + + // Change the priority. + const s32 old_priority = thread->GetPriority(); + thread->SetPriority(new_priority); + + // Restore the condition variable, if relevant. + if (auto* cv_tree = thread->GetConditionVariableTree(); cv_tree != nullptr) { + AfterUpdatePriority(kernel, cv_tree, thread); + } + + // Update the scheduler. + KScheduler::OnThreadPriorityChanged(kernel, thread, old_priority); + + // Keep the lock owner up to date. + Thread* lock_owner = thread->GetLockOwner(); + if (lock_owner == nullptr) { + return; + } + + // Update the thread in the lock owner's sorted list, and continue inheriting. + lock_owner->RemoveWaiterImpl(thread); + lock_owner->AddWaiterImpl(thread); + thread = lock_owner; + } +} + +void Thread::AddWaiter(Thread* thread) { + AddWaiterImpl(thread); + RestorePriority(kernel, this); +} + +void Thread::RemoveWaiter(Thread* thread) { + RemoveWaiterImpl(thread); + RestorePriority(kernel, this); +} + +Thread* Thread::RemoveWaiterByKey(s32* out_num_waiters, VAddr key) { + ASSERT(kernel.GlobalSchedulerContext().IsLocked()); + + s32 num_waiters{}; + Thread* next_lock_owner{}; + auto it = waiter_list.begin(); + while (it != waiter_list.end()) { + if (it->GetAddressKey() == key) { + Thread* thread = std::addressof(*it); + + // Keep track of how many kernel waiters we have. + if (Memory::IsKernelAddressKey(thread->GetAddressKey())) { + ASSERT((num_kernel_waiters--) > 0); + } + it = waiter_list.erase(it); + + // Update the next lock owner. + if (next_lock_owner == nullptr) { + next_lock_owner = thread; + next_lock_owner->SetLockOwner(nullptr); + } else { + next_lock_owner->AddWaiterImpl(thread); + } + num_waiters++; + } else { + it++; } } - if (new_priority == current_priority) { - return; + // Do priority updates, if we have a next owner. + if (next_lock_owner) { + RestorePriority(kernel, this); + RestorePriority(kernel, next_lock_owner); } - if (GetStatus() == ThreadStatus::WaitCondVar) { - owner_process->RemoveConditionVariableThread(SharedFrom(this)); - } - - SetCurrentPriority(new_priority); - - if (GetStatus() == ThreadStatus::WaitCondVar) { - owner_process->InsertConditionVariableThread(SharedFrom(this)); - } - - if (!lock_owner) { - return; - } - - // Ensure that the thread is within the correct location in the waiting list. - auto old_owner = lock_owner; - lock_owner->RemoveMutexWaiter(SharedFrom(this)); - old_owner->AddMutexWaiter(SharedFrom(this)); - - // Recursively update the priority of the thread that depends on the priority of this one. - lock_owner->UpdatePriority(); -} - -bool Thread::AllSynchronizationObjectsReady() const { - return std::none_of(wait_objects->begin(), wait_objects->end(), - [this](const std::shared_ptr& object) { - return object->ShouldWait(this); - }); -} - -bool Thread::InvokeHLECallback(std::shared_ptr thread) { - ASSERT(hle_callback); - return hle_callback(std::move(thread)); + // Return output. + *out_num_waiters = num_waiters; + return next_lock_owner; } ResultCode Thread::SetActivity(ThreadActivity value) { KScopedSchedulerLock lock(kernel); - auto sched_status = GetSchedulingStatus(); + auto sched_status = GetState(); - if (sched_status != ThreadSchedStatus::Runnable && sched_status != ThreadSchedStatus::Paused) { + if (sched_status != ThreadState::Runnable && sched_status != ThreadState::Waiting) { return ERR_INVALID_STATE; } - if (IsPendingTermination()) { + if (IsTerminationRequested()) { return RESULT_SUCCESS; } @@ -394,7 +385,7 @@ ResultCode Thread::Sleep(s64 nanoseconds) { Handle event_handle{}; { KScopedSchedulerLockAndSleep lock(kernel, event_handle, this, nanoseconds); - SetStatus(ThreadStatus::WaitSleep); + SetState(ThreadState::Waiting); } if (event_handle != InvalidHandle) { @@ -405,34 +396,21 @@ ResultCode Thread::Sleep(s64 nanoseconds) { } void Thread::AddSchedulingFlag(ThreadSchedFlags flag) { - const u32 old_state = scheduling_state; + const auto old_state = GetRawState(); pausing_state |= static_cast(flag); - const u32 base_scheduling = static_cast(GetSchedulingStatus()); - scheduling_state = base_scheduling | pausing_state; + const auto base_scheduling = GetState(); + thread_state = base_scheduling | static_cast(pausing_state); KScheduler::OnThreadStateChanged(kernel, this, old_state); } void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) { - const u32 old_state = scheduling_state; + const auto old_state = GetRawState(); pausing_state &= ~static_cast(flag); - const u32 base_scheduling = static_cast(GetSchedulingStatus()); - scheduling_state = base_scheduling | pausing_state; + const auto base_scheduling = GetState(); + thread_state = base_scheduling | static_cast(pausing_state); KScheduler::OnThreadStateChanged(kernel, this, old_state); } -void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) { - const u32 old_state = scheduling_state; - scheduling_state = (scheduling_state & static_cast(ThreadSchedMasks::HighMask)) | - static_cast(new_status); - KScheduler::OnThreadStateChanged(kernel, this, old_state); -} - -void Thread::SetCurrentPriority(u32 new_priority) { - const u32 old_priority = std::exchange(current_priority, new_priority); - KScheduler::OnThreadPriorityChanged(kernel, this, kernel.CurrentScheduler()->GetCurrentThread(), - old_priority); -} - ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) { KScopedSchedulerLock lock(kernel); const auto HighestSetCore = [](u64 mask, u32 max_cores) { diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index 11ef29888..bf6bca2e4 100755 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -10,12 +10,16 @@ #include #include +#include + #include "common/common_types.h" +#include "common/intrusive_red_black_tree.h" #include "common/spin_lock.h" #include "core/arm/arm_interface.h" #include "core/hle/kernel/k_affinity_mask.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/object.h" -#include "core/hle/kernel/synchronization_object.h" +#include "core/hle/kernel/svc_common.h" #include "core/hle/result.h" namespace Common { @@ -73,19 +77,24 @@ enum ThreadProcessorId : s32 { (1 << THREADPROCESSORID_2) | (1 << THREADPROCESSORID_3) }; -enum class ThreadStatus { - Ready, ///< Ready to run - Paused, ///< Paused by SetThreadActivity or debug - WaitHLEEvent, ///< Waiting for hle event to finish - WaitSleep, ///< Waiting due to a SleepThread SVC - WaitIPC, ///< Waiting for the reply from an IPC request - WaitSynch, ///< Waiting due to WaitSynchronization - WaitMutex, ///< Waiting due to an ArbitrateLock svc - WaitCondVar, ///< Waiting due to an WaitProcessWideKey svc - WaitArb, ///< Waiting due to a SignalToAddress/WaitForAddress svc - Dormant, ///< Created but not yet made ready - Dead ///< Run to completion, or forcefully terminated +enum class ThreadState : u16 { + Initialized = 0, + Waiting = 1, + Runnable = 2, + Terminated = 3, + + SuspendShift = 4, + Mask = (1 << SuspendShift) - 1, + + ProcessSuspended = (1 << (0 + SuspendShift)), + ThreadSuspended = (1 << (1 + SuspendShift)), + DebugSuspended = (1 << (2 + SuspendShift)), + BacktraceSuspended = (1 << (3 + SuspendShift)), + InitSuspended = (1 << (4 + SuspendShift)), + + SuspendFlagMask = ((1 << 5) - 1) << SuspendShift, }; +DECLARE_ENUM_FLAG_OPERATORS(ThreadState); enum class ThreadWakeupReason { Signal, // The thread was woken up by WakeupAllWaitingThreads due to an object signal. @@ -97,13 +106,6 @@ enum class ThreadActivity : u32 { Paused = 1, }; -enum class ThreadSchedStatus : u32 { - None = 0, - Paused = 1, - Runnable = 2, - Exited = 3, -}; - enum class ThreadSchedFlags : u32 { ProcessPauseFlag = 1 << 4, ThreadPauseFlag = 1 << 5, @@ -111,13 +113,10 @@ enum class ThreadSchedFlags : u32 { KernelInitPauseFlag = 1 << 8, }; -enum class ThreadSchedMasks : u32 { - LowMask = 0x000f, - HighMask = 0xfff0, - ForcePauseMask = 0x0070, -}; +class Thread final : public KSynchronizationObject, public boost::intrusive::list_base_hook<> { + friend class KScheduler; + friend class Process; -class Thread final : public SynchronizationObject { public: explicit Thread(KernelCore& kernel); ~Thread() override; @@ -127,10 +126,6 @@ public: using ThreadContext32 = Core::ARM_Interface::ThreadContext32; using ThreadContext64 = Core::ARM_Interface::ThreadContext64; - using ThreadSynchronizationObjects = std::vector>; - - using HLECallback = std::function thread)>; - /** * Creates and returns a new thread. The new thread is immediately scheduled * @param system The instance of the whole system @@ -186,59 +181,54 @@ public: return HANDLE_TYPE; } - bool ShouldWait(const Thread* thread) const override; - void Acquire(Thread* thread) override; - bool IsSignaled() const override; - /** * Gets the thread's current priority * @return The current thread's priority */ - u32 GetPriority() const { + [[nodiscard]] s32 GetPriority() const { return current_priority; } + /** + * Sets the thread's current priority. + * @param priority The new priority. + */ + void SetPriority(s32 priority) { + current_priority = priority; + } + /** * Gets the thread's nominal priority. * @return The current thread's nominal priority. */ - u32 GetNominalPriority() const { - return nominal_priority; + [[nodiscard]] s32 GetBasePriority() const { + return base_priority; } /** - * Sets the thread's current priority - * @param priority The new priority + * Sets the thread's nominal priority. + * @param priority The new priority. */ - void SetPriority(u32 priority); - - /// Adds a thread to the list of threads that are waiting for a lock held by this thread. - void AddMutexWaiter(std::shared_ptr thread); - - /// Removes a thread from the list of threads that are waiting for a lock held by this thread. - void RemoveMutexWaiter(std::shared_ptr thread); - - /// Recalculates the current priority taking into account priority inheritance. - void UpdatePriority(); + void SetBasePriority(u32 priority); /// Changes the core that the thread is running or scheduled to run on. - ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask); + [[nodiscard]] ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask); /** * Gets the thread's thread ID * @return The thread's ID */ - u64 GetThreadID() const { + [[nodiscard]] u64 GetThreadID() const { return thread_id; } /// Resumes a thread from waiting - void ResumeFromWait(); - - void OnWakeUp(); + void Wakeup(); ResultCode Start(); + virtual bool IsSignaled() const override; + /// Cancels a waiting operation that this thread may or may not be within. /// /// When the thread is within a waiting state, this will set the thread's @@ -247,30 +237,21 @@ public: /// void CancelWait(); - void SetSynchronizationResults(SynchronizationObject* object, ResultCode result); + void SetSynchronizationResults(KSynchronizationObject* object, ResultCode result); - SynchronizationObject* GetSignalingObject() const { - return signaling_object; + void SetSyncedObject(KSynchronizationObject* object, ResultCode result) { + SetSynchronizationResults(object, result); + } + + ResultCode GetWaitResult(KSynchronizationObject** out) const { + *out = signaling_object; + return signaling_result; } ResultCode GetSignalingResult() const { return signaling_result; } - /** - * Retrieves the index that this particular object occupies in the list of objects - * that the thread passed to WaitSynchronization, starting the search from the last element. - * - * It is used to set the output index of WaitSynchronization when the thread is awakened. - * - * When a thread wakes up due to an object signal, the kernel will use the index of the last - * matching object in the wait objects list in case of having multiple instances of the same - * object in the list. - * - * @param object Object to query the index of. - */ - s32 GetSynchronizationObjectIndex(std::shared_ptr object) const; - /** * Stops a thread, invalidating it from further use */ @@ -341,18 +322,22 @@ public: std::shared_ptr& GetHostContext(); - ThreadStatus GetStatus() const { - return status; + ThreadState GetState() const { + return thread_state & ThreadState::Mask; } - void SetStatus(ThreadStatus new_status); + ThreadState GetRawState() const { + return thread_state; + } + + void SetState(ThreadState state); s64 GetLastScheduledTick() const { - return this->last_scheduled_tick; + return last_scheduled_tick; } void SetLastScheduledTick(s64 tick) { - this->last_scheduled_tick = tick; + last_scheduled_tick = tick; } u64 GetTotalCPUTimeTicks() const { @@ -387,98 +372,18 @@ public: return owner_process; } - const ThreadSynchronizationObjects& GetSynchronizationObjects() const { - return *wait_objects; - } - - void SetSynchronizationObjects(ThreadSynchronizationObjects* objects) { - wait_objects = objects; - } - - void ClearSynchronizationObjects() { - for (const auto& waiting_object : *wait_objects) { - waiting_object->RemoveWaitingThread(SharedFrom(this)); - } - wait_objects->clear(); - } - - /// Determines whether all the objects this thread is waiting on are ready. - bool AllSynchronizationObjectsReady() const; - const MutexWaitingThreads& GetMutexWaitingThreads() const { return wait_mutex_threads; } Thread* GetLockOwner() const { - return lock_owner.get(); + return lock_owner; } - void SetLockOwner(std::shared_ptr owner) { - lock_owner = std::move(owner); + void SetLockOwner(Thread* owner) { + lock_owner = owner; } - VAddr GetCondVarWaitAddress() const { - return condvar_wait_address; - } - - void SetCondVarWaitAddress(VAddr address) { - condvar_wait_address = address; - } - - VAddr GetMutexWaitAddress() const { - return mutex_wait_address; - } - - void SetMutexWaitAddress(VAddr address) { - mutex_wait_address = address; - } - - Handle GetWaitHandle() const { - return wait_handle; - } - - void SetWaitHandle(Handle handle) { - wait_handle = handle; - } - - VAddr GetArbiterWaitAddress() const { - return arb_wait_address; - } - - void SetArbiterWaitAddress(VAddr address) { - arb_wait_address = address; - } - - bool HasHLECallback() const { - return hle_callback != nullptr; - } - - void SetHLECallback(HLECallback callback) { - hle_callback = std::move(callback); - } - - void SetHLETimeEvent(Handle time_event) { - hle_time_event = time_event; - } - - void SetHLESyncObject(SynchronizationObject* object) { - hle_object = object; - } - - Handle GetHLETimeEvent() const { - return hle_time_event; - } - - SynchronizationObject* GetHLESyncObject() const { - return hle_object; - } - - void InvalidateHLECallback() { - SetHLECallback(nullptr); - } - - bool InvokeHLECallback(std::shared_ptr thread); - u32 GetIdealCore() const { return ideal_core; } @@ -493,20 +398,11 @@ public: ResultCode Sleep(s64 nanoseconds); s64 GetYieldScheduleCount() const { - return this->schedule_count; + return schedule_count; } void SetYieldScheduleCount(s64 count) { - this->schedule_count = count; - } - - ThreadSchedStatus GetSchedulingStatus() const { - return static_cast(scheduling_state & - static_cast(ThreadSchedMasks::LowMask)); - } - - bool IsRunnable() const { - return scheduling_state == static_cast(ThreadSchedStatus::Runnable); + schedule_count = count; } bool IsRunning() const { @@ -517,36 +413,32 @@ public: is_running = value; } - bool IsSyncCancelled() const { + bool IsWaitCancelled() const { return is_sync_cancelled; } - void SetSyncCancelled(bool value) { - is_sync_cancelled = value; + void ClearWaitCancelled() { + is_sync_cancelled = false; } Handle GetGlobalHandle() const { return global_handle; } - bool IsWaitingForArbitration() const { - return waiting_for_arbitration; + bool IsCancellable() const { + return is_cancellable; } - void WaitForArbitration(bool set) { - waiting_for_arbitration = set; + void SetCancellable() { + is_cancellable = true; } - bool IsWaitingSync() const { - return is_waiting_on_sync; + void ClearCancellable() { + is_cancellable = false; } - void SetWaitingSync(bool is_waiting) { - is_waiting_on_sync = is_waiting; - } - - bool IsPendingTermination() const { - return will_be_terminated || GetSchedulingStatus() == ThreadSchedStatus::Exited; + bool IsTerminationRequested() const { + return will_be_terminated || GetRawState() == ThreadState::Terminated; } bool IsPaused() const { @@ -578,21 +470,21 @@ public: constexpr QueueEntry() = default; constexpr void Initialize() { - this->prev = nullptr; - this->next = nullptr; + prev = nullptr; + next = nullptr; } constexpr Thread* GetPrev() const { - return this->prev; + return prev; } constexpr Thread* GetNext() const { - return this->next; + return next; } constexpr void SetPrev(Thread* thread) { - this->prev = thread; + prev = thread; } constexpr void SetNext(Thread* thread) { - this->next = thread; + next = thread; } private: @@ -601,11 +493,11 @@ public: }; QueueEntry& GetPriorityQueueEntry(s32 core) { - return this->per_core_priority_queue_entry[core]; + return per_core_priority_queue_entry[core]; } const QueueEntry& GetPriorityQueueEntry(s32 core) const { - return this->per_core_priority_queue_entry[core]; + return per_core_priority_queue_entry[core]; } s32 GetDisableDispatchCount() const { @@ -622,24 +514,162 @@ public: disable_count--; } -private: - friend class GlobalSchedulerContext; - friend class KScheduler; - friend class Process; + void SetWaitObjectsForDebugging(KSynchronizationObject** objects, s32 num_objects) { + wait_objects_for_debugging.clear(); + wait_objects_for_debugging.reserve(num_objects); + for (auto i = 0; i < num_objects; ++i) { + wait_objects_for_debugging.emplace_back(objects[i]); + } + } - void SetSchedulingStatus(ThreadSchedStatus new_status); + [[nodiscard]] const std::vector& GetWaitObjectsForDebugging() const { + return wait_objects_for_debugging; + } + + void SetMutexWaitAddressForDebugging(VAddr address) { + mutex_wait_address_for_debugging = address; + } + + [[nodiscard]] VAddr GetMutexWaitAddressForDebugging() const { + return mutex_wait_address_for_debugging; + } + + void AddWaiter(Thread* thread); + + void RemoveWaiter(Thread* thread); + + [[nodiscard]] Thread* RemoveWaiterByKey(s32* out_num_waiters, VAddr key); + + [[nodiscard]] VAddr GetAddressKey() const { + return address_key; + } + + [[nodiscard]] u32 GetAddressKeyValue() const { + return address_key_value; + } + + [[nodiscard]] void SetAddressKey(VAddr key) { + address_key = key; + } + + [[nodiscard]] void SetAddressKey(VAddr key, u32 val) { + address_key = key; + address_key_value = val; + } + +private: + static constexpr size_t PriorityInheritanceCountMax = 10; + union SyncObjectBuffer { + std::array sync_objects; + std::array + handles; + constexpr SyncObjectBuffer() : sync_objects() {} + }; + static_assert(sizeof(SyncObjectBuffer::sync_objects) == sizeof(SyncObjectBuffer::handles)); + + struct ConditionVariableComparator { + struct LightCompareType { + u64 cv_key{}; + s32 priority{}; + + [[nodiscard]] constexpr u64 GetConditionVariableKey() const { + return cv_key; + } + + [[nodiscard]] constexpr s32 GetPriority() const { + return priority; + } + }; + + template + requires( + std::same_as || + std::same_as) static constexpr int Compare(const T& lhs, + const Thread& rhs) { + const uintptr_t l_key = lhs.GetConditionVariableKey(); + const uintptr_t r_key = rhs.GetConditionVariableKey(); + + if (l_key < r_key) { + // Sort first by key + return -1; + } else if (l_key == r_key && lhs.GetPriority() < rhs.GetPriority()) { + // And then by priority. + return -1; + } else { + return 1; + } + } + }; + + Common::IntrusiveRedBlackTreeNode condvar_arbiter_tree_node{}; + + using ConditionVariableThreadTreeTraits = + Common::IntrusiveRedBlackTreeMemberTraitsDeferredAssert<&Thread::condvar_arbiter_tree_node>; + using ConditionVariableThreadTree = + ConditionVariableThreadTreeTraits::TreeType; + +public: + using ConditionVariableThreadTreeType = ConditionVariableThreadTree; + + [[nodiscard]] uintptr_t GetConditionVariableKey() const { + return condvar_key; + } + + [[nodiscard]] uintptr_t GetAddressArbiterKey() const { + return condvar_key; + } + + void SetConditionVariable(ConditionVariableThreadTree* tree, VAddr address, uintptr_t cv_key, + u32 value) { + condvar_tree = tree; + condvar_key = cv_key; + address_key = address; + address_key_value = value; + } + + void ClearConditionVariable() { + condvar_tree = nullptr; + } + + [[nodiscard]] bool IsWaitingForConditionVariable() const { + return condvar_tree != nullptr; + } + + void SetAddressArbiter(ConditionVariableThreadTree* tree, uintptr_t address) { + condvar_tree = tree; + condvar_key = address; + } + + void ClearAddressArbiter() { + condvar_tree = nullptr; + } + + [[nodiscard]] bool IsWaitingForAddressArbiter() const { + return condvar_tree != nullptr; + } + + [[nodiscard]] ConditionVariableThreadTree* GetConditionVariableTree() const { + return condvar_tree; + } + + [[nodiscard]] bool HasWaiters() const { + return !waiter_list.empty(); + } + +private: void AddSchedulingFlag(ThreadSchedFlags flag); void RemoveSchedulingFlag(ThreadSchedFlags flag); - - void SetCurrentPriority(u32 new_priority); + void AddWaiterImpl(Thread* thread); + void RemoveWaiterImpl(Thread* thread); + static void RestorePriority(KernelCore& kernel, Thread* thread); Common::SpinLock context_guard{}; ThreadContext32 context_32{}; ThreadContext64 context_64{}; std::shared_ptr host_context{}; - ThreadStatus status = ThreadStatus::Dormant; - u32 scheduling_state = 0; + ThreadState thread_state = ThreadState::Initialized; u64 thread_id = 0; @@ -652,11 +682,11 @@ private: /// Nominal thread priority, as set by the emulated application. /// The nominal priority is the thread priority without priority /// inheritance taken into account. - u32 nominal_priority = 0; + s32 base_priority{}; /// Current thread priority. This may change over the course of the /// thread's lifetime in order to facilitate priority inheritance. - u32 current_priority = 0; + s32 current_priority{}; u64 total_cpu_time_ticks = 0; ///< Total CPU running ticks. s64 schedule_count{}; @@ -671,37 +701,24 @@ private: Process* owner_process; /// Objects that the thread is waiting on, in the same order as they were - /// passed to WaitSynchronization. - ThreadSynchronizationObjects* wait_objects; + /// passed to WaitSynchronization. This is used for debugging only. + std::vector wait_objects_for_debugging; - SynchronizationObject* signaling_object; + /// The current mutex wait address. This is used for debugging only. + VAddr mutex_wait_address_for_debugging{}; + + KSynchronizationObject* signaling_object; ResultCode signaling_result{RESULT_SUCCESS}; /// List of threads that are waiting for a mutex that is held by this thread. MutexWaitingThreads wait_mutex_threads; /// Thread that owns the lock that this thread is waiting for. - std::shared_ptr lock_owner; - - /// If waiting on a ConditionVariable, this is the ConditionVariable address - VAddr condvar_wait_address = 0; - /// If waiting on a Mutex, this is the mutex address - VAddr mutex_wait_address = 0; - /// The handle used to wait for the mutex. - Handle wait_handle = 0; - - /// If waiting for an AddressArbiter, this is the address being waited on. - VAddr arb_wait_address{0}; - bool waiting_for_arbitration{}; + Thread* lock_owner{}; /// Handle used as userdata to reference this object when inserting into the CoreTiming queue. Handle global_handle = 0; - /// Callback for HLE Events - HLECallback hle_callback; - Handle hle_time_event; - SynchronizationObject* hle_object; - KScheduler* scheduler = nullptr; std::array per_core_priority_queue_entry{}; @@ -714,7 +731,7 @@ private: u32 pausing_state = 0; bool is_running = false; - bool is_waiting_on_sync = false; + bool is_cancellable = false; bool is_sync_cancelled = false; bool is_continuous_on_svc = false; @@ -725,6 +742,18 @@ private: bool was_running = false; + bool signaled{}; + + ConditionVariableThreadTree* condvar_tree{}; + uintptr_t condvar_key{}; + VAddr address_key{}; + u32 address_key_value{}; + s32 num_kernel_waiters{}; + + using WaiterList = boost::intrusive::list; + WaiterList waiter_list{}; + WaiterList pinned_waiter_list{}; + std::string name; }; diff --git a/src/core/hle/kernel/time_manager.cpp b/src/core/hle/kernel/time_manager.cpp index 79628e2b4..832edd629 100755 --- a/src/core/hle/kernel/time_manager.cpp +++ b/src/core/hle/kernel/time_manager.cpp @@ -18,12 +18,10 @@ TimeManager::TimeManager(Core::System& system_) : system{system_} { time_manager_event_type = Core::Timing::CreateEvent( "Kernel::TimeManagerCallback", [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) { - const KScopedSchedulerLock lock(system.Kernel()); - const auto proper_handle = static_cast(thread_handle); - std::shared_ptr thread; { std::lock_guard lock{mutex}; + const auto proper_handle = static_cast(thread_handle); if (cancelled_events[proper_handle]) { return; } @@ -32,7 +30,7 @@ TimeManager::TimeManager(Core::System& system_) : system{system_} { if (thread) { // Thread can be null if process has exited - thread->OnWakeUp(); + thread->Wakeup(); } }); } @@ -42,8 +40,7 @@ void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64 event_handle = timetask->GetGlobalHandle(); if (nanoseconds > 0) { ASSERT(timetask); - ASSERT(timetask->GetStatus() != ThreadStatus::Ready); - ASSERT(timetask->GetStatus() != ThreadStatus::WaitMutex); + ASSERT(timetask->GetState() != ThreadState::Runnable); system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{nanoseconds}, time_manager_event_type, event_handle); } else { diff --git a/src/core/hle/service/nfp/nfp.cpp b/src/core/hle/service/nfp/nfp.cpp index 5557da72e..641bcadea 100755 --- a/src/core/hle/service/nfp/nfp.cpp +++ b/src/core/hle/service/nfp/nfp.cpp @@ -190,12 +190,6 @@ private: void GetDeviceState(Kernel::HLERequestContext& ctx) { LOG_DEBUG(Service_NFP, "called"); - auto nfc_event = nfp_interface.GetNFCEvent(); - if (!nfc_event->ShouldWait(&ctx.GetThread()) && !has_attached_handle) { - device_state = DeviceState::TagFound; - nfc_event->Clear(); - } - IPC::ResponseBuilder rb{ctx, 3}; rb.Push(RESULT_SUCCESS); rb.Push(static_cast(device_state)); diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp index 4b3581949..ceaa93d28 100755 --- a/src/core/hle/service/nvflinger/nvflinger.cpp +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -38,6 +38,10 @@ void NVFlinger::SplitVSync() { system.RegisterHostThread(); std::string name = "yuzu:VSyncThread"; MicroProfileOnThreadCreate(name.c_str()); + + // Cleanup + SCOPE_EXIT({ MicroProfileOnThreadExit(); }); + Common::SetCurrentThreadName(name.c_str()); Common::SetCurrentThreadPriority(Common::ThreadPriority::High); s64 delay = 0; diff --git a/src/core/hle/service/sm/sm.cpp b/src/core/hle/service/sm/sm.cpp index 4da69f503..2b91a89d1 100755 --- a/src/core/hle/service/sm/sm.cpp +++ b/src/core/hle/service/sm/sm.cpp @@ -139,9 +139,6 @@ void SM::GetService(Kernel::HLERequestContext& ctx) { server_port->AppendPendingSession(server); } - // Wake the threads waiting on the ServerPort - server_port->Signal(); - LOG_DEBUG(Service_SM, "called service={} -> session={}", name, client->GetObjectId()); IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles}; rb.Push(RESULT_SUCCESS); diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp index 0b531f698..d32eb732a 100755 --- a/src/input_common/sdl/sdl_impl.cpp +++ b/src/input_common/sdl/sdl_impl.cpp @@ -1030,11 +1030,44 @@ public: } return {}; } - [[nodiscard]] std::optional FromEvent(const SDL_Event& event) const { + [[nodiscard]] std::optional FromEvent(SDL_Event& event) { switch (event.type) { case SDL_JOYAXISMOTION: - if (std::abs(event.jaxis.value / 32767.0) < 0.5) { + if (!axis_memory.count(event.jaxis.which) || + !axis_memory[event.jaxis.which].count(event.jaxis.axis)) { + axis_memory[event.jaxis.which][event.jaxis.axis] = event.jaxis.value; + axis_event_count[event.jaxis.which][event.jaxis.axis] = 1; break; + } else { + axis_event_count[event.jaxis.which][event.jaxis.axis]++; + // The joystick and axis exist in our map if we take this branch, so no checks + // needed + if (std::abs( + (event.jaxis.value - axis_memory[event.jaxis.which][event.jaxis.axis]) / + 32767.0) < 0.5) { + break; + } else { + if (axis_event_count[event.jaxis.which][event.jaxis.axis] == 2 && + IsAxisAtPole(event.jaxis.value) && + IsAxisAtPole(axis_memory[event.jaxis.which][event.jaxis.axis])) { + // If we have exactly two events and both are near a pole, this is + // likely a digital input masquerading as an analog axis; Instead of + // trying to look at the direction the axis travelled, assume the first + // event was press and the second was release; This should handle most + // digital axes while deferring to the direction of travel for analog + // axes + event.jaxis.value = static_cast( + std::copysign(32767, axis_memory[event.jaxis.which][event.jaxis.axis])); + } else { + // There are more than two events, so this is likely a true analog axis, + // check the direction it travelled + event.jaxis.value = static_cast(std::copysign( + 32767, + event.jaxis.value - axis_memory[event.jaxis.which][event.jaxis.axis])); + } + axis_memory.clear(); + axis_event_count.clear(); + } } [[fallthrough]]; case SDL_JOYBUTTONUP: @@ -1043,6 +1076,16 @@ public: } return std::nullopt; } + +private: + // Determine whether an axis value is close to an extreme or center + // Some controllers have a digital D-Pad as a pair of analog sticks, with 3 possible values per + // axis, which is why the center must be considered a pole + bool IsAxisAtPole(int16_t value) const { + return std::abs(value) >= 32767 || std::abs(value) < 327; + } + std::unordered_map> axis_memory; + std::unordered_map> axis_event_count; }; class SDLMotionPoller final : public SDLPoller { diff --git a/src/yuzu/debugger/wait_tree.cpp b/src/yuzu/debugger/wait_tree.cpp index 0925c10b4..3ded85720 100755 --- a/src/yuzu/debugger/wait_tree.cpp +++ b/src/yuzu/debugger/wait_tree.cpp @@ -14,10 +14,10 @@ #include "core/core.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/k_scheduler.h" -#include "core/hle/kernel/mutex.h" +#include "core/hle/kernel/k_synchronization_object.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/readable_event.h" -#include "core/hle/kernel/synchronization_object.h" +#include "core/hle/kernel/svc_common.h" #include "core/hle/kernel/thread.h" #include "core/memory.h" @@ -116,7 +116,7 @@ QString WaitTreeText::GetText() const { WaitTreeMutexInfo::WaitTreeMutexInfo(VAddr mutex_address, const Kernel::HandleTable& handle_table) : mutex_address(mutex_address) { mutex_value = Core::System::GetInstance().Memory().Read32(mutex_address); - owner_handle = static_cast(mutex_value & Kernel::Mutex::MutexOwnerMask); + owner_handle = static_cast(mutex_value & Kernel::Svc::HandleWaitMask); owner = handle_table.Get(owner_handle); } @@ -127,7 +127,7 @@ QString WaitTreeMutexInfo::GetText() const { } std::vector> WaitTreeMutexInfo::GetChildren() const { - const bool has_waiters = (mutex_value & Kernel::Mutex::MutexHasWaitersFlag) != 0; + const bool has_waiters = (mutex_value & Kernel::Svc::HandleWaitMask) != 0; std::vector> list; list.push_back(std::make_unique(tr("has waiters: %1").arg(has_waiters))); @@ -169,7 +169,8 @@ std::vector> WaitTreeCallstack::GetChildren() cons return list; } -WaitTreeSynchronizationObject::WaitTreeSynchronizationObject(const Kernel::SynchronizationObject& o) +WaitTreeSynchronizationObject::WaitTreeSynchronizationObject( + const Kernel::KSynchronizationObject& o) : object(o) {} WaitTreeSynchronizationObject::~WaitTreeSynchronizationObject() = default; @@ -188,7 +189,7 @@ QString WaitTreeSynchronizationObject::GetText() const { } std::unique_ptr WaitTreeSynchronizationObject::make( - const Kernel::SynchronizationObject& object) { + const Kernel::KSynchronizationObject& object) { switch (object.GetHandleType()) { case Kernel::HandleType::ReadableEvent: return std::make_unique(static_cast(object)); @@ -202,7 +203,7 @@ std::unique_ptr WaitTreeSynchronizationObject::ma std::vector> WaitTreeSynchronizationObject::GetChildren() const { std::vector> list; - const auto& threads = object.GetWaitingThreads(); + const auto& threads = object.GetWaitingThreadsForDebugging(); if (threads.empty()) { list.push_back(std::make_unique(tr("waited by no thread"))); } else { @@ -211,8 +212,8 @@ std::vector> WaitTreeSynchronizationObject::GetChi return list; } -WaitTreeObjectList::WaitTreeObjectList( - const std::vector>& list, bool w_all) +WaitTreeObjectList::WaitTreeObjectList(const std::vector& list, + bool w_all) : object_list(list), wait_all(w_all) {} WaitTreeObjectList::~WaitTreeObjectList() = default; @@ -237,8 +238,8 @@ WaitTreeThread::~WaitTreeThread() = default; QString WaitTreeThread::GetText() const { const auto& thread = static_cast(object); QString status; - switch (thread.GetStatus()) { - case Kernel::ThreadStatus::Ready: + switch (thread.GetState()) { + case Kernel::ThreadState::Runnable: if (!thread.IsPaused()) { if (thread.WasRunning()) { status = tr("running"); @@ -249,35 +250,14 @@ QString WaitTreeThread::GetText() const { status = tr("paused"); } break; - case Kernel::ThreadStatus::Paused: - status = tr("paused"); + case Kernel::ThreadState::Waiting: + status = tr("waiting"); break; - case Kernel::ThreadStatus::WaitHLEEvent: - status = tr("waiting for HLE return"); + case Kernel::ThreadState::Initialized: + status = tr("initialized"); break; - case Kernel::ThreadStatus::WaitSleep: - status = tr("sleeping"); - break; - case Kernel::ThreadStatus::WaitIPC: - status = tr("waiting for IPC reply"); - break; - case Kernel::ThreadStatus::WaitSynch: - status = tr("waiting for objects"); - break; - case Kernel::ThreadStatus::WaitMutex: - status = tr("waiting for mutex"); - break; - case Kernel::ThreadStatus::WaitCondVar: - status = tr("waiting for condition variable"); - break; - case Kernel::ThreadStatus::WaitArb: - status = tr("waiting for address arbiter"); - break; - case Kernel::ThreadStatus::Dormant: - status = tr("dormant"); - break; - case Kernel::ThreadStatus::Dead: - status = tr("dead"); + case Kernel::ThreadState::Terminated: + status = tr("terminated"); break; } @@ -293,8 +273,8 @@ QColor WaitTreeThread::GetColor() const { const std::size_t color_index = IsDarkTheme() ? 1 : 0; const auto& thread = static_cast(object); - switch (thread.GetStatus()) { - case Kernel::ThreadStatus::Ready: + switch (thread.GetState()) { + case Kernel::ThreadState::Runnable: if (!thread.IsPaused()) { if (thread.WasRunning()) { return QColor(WaitTreeColors[0][color_index]); @@ -304,21 +284,11 @@ QColor WaitTreeThread::GetColor() const { } else { return QColor(WaitTreeColors[2][color_index]); } - case Kernel::ThreadStatus::Paused: + case Kernel::ThreadState::Waiting: return QColor(WaitTreeColors[3][color_index]); - case Kernel::ThreadStatus::WaitHLEEvent: - case Kernel::ThreadStatus::WaitIPC: - return QColor(WaitTreeColors[4][color_index]); - case Kernel::ThreadStatus::WaitSleep: - return QColor(WaitTreeColors[5][color_index]); - case Kernel::ThreadStatus::WaitSynch: - case Kernel::ThreadStatus::WaitMutex: - case Kernel::ThreadStatus::WaitCondVar: - case Kernel::ThreadStatus::WaitArb: - return QColor(WaitTreeColors[6][color_index]); - case Kernel::ThreadStatus::Dormant: + case Kernel::ThreadState::Initialized: return QColor(WaitTreeColors[7][color_index]); - case Kernel::ThreadStatus::Dead: + case Kernel::ThreadState::Terminated: return QColor(WaitTreeColors[8][color_index]); default: return WaitTreeItem::GetColor(); @@ -354,11 +324,11 @@ std::vector> WaitTreeThread::GetChildren() const { list.push_back(std::make_unique(tr("thread id = %1").arg(thread.GetThreadID()))); list.push_back(std::make_unique(tr("priority = %1(current) / %2(normal)") .arg(thread.GetPriority()) - .arg(thread.GetNominalPriority()))); + .arg(thread.GetBasePriority()))); list.push_back(std::make_unique( tr("last running ticks = %1").arg(thread.GetLastScheduledTick()))); - const VAddr mutex_wait_address = thread.GetMutexWaitAddress(); + const VAddr mutex_wait_address = thread.GetMutexWaitAddressForDebugging(); if (mutex_wait_address != 0) { const auto& handle_table = thread.GetOwnerProcess()->GetHandleTable(); list.push_back(std::make_unique(mutex_wait_address, handle_table)); @@ -366,9 +336,9 @@ std::vector> WaitTreeThread::GetChildren() const { list.push_back(std::make_unique(tr("not waiting for mutex"))); } - if (thread.GetStatus() == Kernel::ThreadStatus::WaitSynch) { - list.push_back(std::make_unique(thread.GetSynchronizationObjects(), - thread.IsWaitingSync())); + if (thread.GetState() == Kernel::ThreadState::Waiting) { + list.push_back(std::make_unique(thread.GetWaitObjectsForDebugging(), + thread.IsCancellable())); } list.push_back(std::make_unique(thread)); @@ -380,7 +350,7 @@ WaitTreeEvent::WaitTreeEvent(const Kernel::ReadableEvent& object) : WaitTreeSynchronizationObject(object) {} WaitTreeEvent::~WaitTreeEvent() = default; -WaitTreeThreadList::WaitTreeThreadList(const std::vector>& list) +WaitTreeThreadList::WaitTreeThreadList(const std::vector& list) : thread_list(list) {} WaitTreeThreadList::~WaitTreeThreadList() = default; diff --git a/src/yuzu/debugger/wait_tree.h b/src/yuzu/debugger/wait_tree.h index 8e3bc4b24..cf96911ea 100755 --- a/src/yuzu/debugger/wait_tree.h +++ b/src/yuzu/debugger/wait_tree.h @@ -18,8 +18,8 @@ class EmuThread; namespace Kernel { class HandleTable; +class KSynchronizationObject; class ReadableEvent; -class SynchronizationObject; class Thread; } // namespace Kernel @@ -102,30 +102,29 @@ private: class WaitTreeSynchronizationObject : public WaitTreeExpandableItem { Q_OBJECT public: - explicit WaitTreeSynchronizationObject(const Kernel::SynchronizationObject& object); + explicit WaitTreeSynchronizationObject(const Kernel::KSynchronizationObject& object); ~WaitTreeSynchronizationObject() override; static std::unique_ptr make( - const Kernel::SynchronizationObject& object); + const Kernel::KSynchronizationObject& object); QString GetText() const override; std::vector> GetChildren() const override; protected: - const Kernel::SynchronizationObject& object; + const Kernel::KSynchronizationObject& object; }; class WaitTreeObjectList : public WaitTreeExpandableItem { Q_OBJECT public: - WaitTreeObjectList(const std::vector>& list, - bool wait_all); + WaitTreeObjectList(const std::vector& list, bool wait_all); ~WaitTreeObjectList() override; QString GetText() const override; std::vector> GetChildren() const override; private: - const std::vector>& object_list; + const std::vector& object_list; bool wait_all; }; @@ -150,14 +149,14 @@ public: class WaitTreeThreadList : public WaitTreeExpandableItem { Q_OBJECT public: - explicit WaitTreeThreadList(const std::vector>& list); + explicit WaitTreeThreadList(const std::vector& list); ~WaitTreeThreadList() override; QString GetText() const override; std::vector> GetChildren() const override; private: - const std::vector>& thread_list; + const std::vector& thread_list; }; class WaitTreeModel : public QAbstractItemModel {