From 5ea0d3629a595c18b3b4f825c6b8013009b2e7cc Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 22:32:48 -0700 Subject: core: cpu_manager: Use jthread. --- src/core/cpu_manager.cpp | 25 ++++++++++--------------- src/core/cpu_manager.h | 6 +++--- 2 files changed, 13 insertions(+), 18 deletions(-) (limited to 'src') diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 7e195346b..77efcabf0 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -21,34 +21,25 @@ namespace Core { CpuManager::CpuManager(System& system_) : system{system_} {} CpuManager::~CpuManager() = default; -void CpuManager::ThreadStart(CpuManager& cpu_manager, std::size_t core) { - cpu_manager.RunThread(core); +void CpuManager::ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager, + std::size_t core) { + cpu_manager.RunThread(stop_token, core); } void CpuManager::Initialize() { running_mode = true; if (is_multicore) { for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - core_data[core].host_thread = - std::make_unique(ThreadStart, std::ref(*this), core); + core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core); } } else { - core_data[0].host_thread = std::make_unique(ThreadStart, std::ref(*this), 0); + core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0); } } void CpuManager::Shutdown() { running_mode = false; Pause(false); - if (is_multicore) { - for (auto& data : core_data) { - data.host_thread->join(); - data.host_thread.reset(); - } - } else { - core_data[0].host_thread->join(); - core_data[0].host_thread.reset(); - } } std::function CpuManager::GetGuestThreadStartFunc() { @@ -317,7 +308,7 @@ void CpuManager::Pause(bool paused) { } } -void CpuManager::RunThread(std::size_t core) { +void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) { /// Initialization system.RegisterCoreThread(core); std::string name; @@ -361,6 +352,10 @@ void CpuManager::RunThread(std::size_t core) { return; } + if (stop_token.stop_requested()) { + break; + } + auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread(); data.is_running = true; Common::Fiber::YieldTo(data.host_context, *current_thread->GetHostContext()); diff --git a/src/core/cpu_manager.h b/src/core/cpu_manager.h index 140263b09..9d92d4af0 100644 --- a/src/core/cpu_manager.h +++ b/src/core/cpu_manager.h @@ -78,9 +78,9 @@ private: void SingleCoreRunSuspendThread(); void SingleCorePause(bool paused); - static void ThreadStart(CpuManager& cpu_manager, std::size_t core); + static void ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager, std::size_t core); - void RunThread(std::size_t core); + void RunThread(std::stop_token stop_token, std::size_t core); struct CoreData { std::shared_ptr host_context; @@ -89,7 +89,7 @@ private: std::atomic is_running; std::atomic is_paused; std::atomic initialized; - std::unique_ptr host_thread; + std::jthread host_thread; }; std::atomic running_mode{}; -- cgit v1.2.3 From 68eee948758eeddb4f3f091cd89c870e481b278b Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 22:45:18 -0700 Subject: core: hle: kernel: Reflect non-emulated threads as core 3. --- src/core/core.cpp | 6 ------ src/core/core.h | 3 --- src/core/hle/kernel/k_address_arbiter.cpp | 4 ++-- src/core/hle/kernel/k_condition_variable.cpp | 2 +- src/core/hle/kernel/kernel.cpp | 8 ++++++++ src/core/hle/kernel/kernel.h | 3 +++ src/core/hle/kernel/svc.cpp | 2 +- 7 files changed, 15 insertions(+), 13 deletions(-) (limited to 'src') diff --git a/src/core/core.cpp b/src/core/core.cpp index d3e84c4ef..5d8a61b3a 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -494,12 +494,6 @@ const ARM_Interface& System::CurrentArmInterface() const { return impl->kernel.CurrentPhysicalCore().ArmInterface(); } -std::size_t System::CurrentCoreIndex() const { - std::size_t core = impl->kernel.GetCurrentHostThreadID(); - ASSERT(core < Core::Hardware::NUM_CPU_CORES); - return core; -} - Kernel::PhysicalCore& System::CurrentPhysicalCore() { return impl->kernel.CurrentPhysicalCore(); } diff --git a/src/core/core.h b/src/core/core.h index ea143043c..cd9af0c07 100644 --- a/src/core/core.h +++ b/src/core/core.h @@ -205,9 +205,6 @@ public: /// Gets an ARM interface to the CPU core that is currently running [[nodiscard]] const ARM_Interface& CurrentArmInterface() const; - /// Gets the index of the currently running CPU core - [[nodiscard]] std::size_t CurrentCoreIndex() const; - /// Gets the physical core for the CPU core that is currently running [[nodiscard]] Kernel::PhysicalCore& CurrentPhysicalCore(); diff --git a/src/core/hle/kernel/k_address_arbiter.cpp b/src/core/hle/kernel/k_address_arbiter.cpp index 1b429bc1e..6771ef621 100644 --- a/src/core/hle/kernel/k_address_arbiter.cpp +++ b/src/core/hle/kernel/k_address_arbiter.cpp @@ -28,7 +28,7 @@ bool ReadFromUser(Core::System& system, s32* out, VAddr address) { bool DecrementIfLessThan(Core::System& system, s32* out, VAddr address, s32 value) { auto& monitor = system.Monitor(); - const auto current_core = system.CurrentCoreIndex(); + const auto current_core = system.Kernel().CurrentPhysicalCoreIndex(); // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable. // TODO(bunnei): We should call CanAccessAtomic(..) here. @@ -58,7 +58,7 @@ bool DecrementIfLessThan(Core::System& system, s32* out, VAddr address, s32 valu bool UpdateIfEqual(Core::System& system, s32* out, VAddr address, s32 value, s32 new_value) { auto& monitor = system.Monitor(); - const auto current_core = system.CurrentCoreIndex(); + const auto current_core = system.Kernel().CurrentPhysicalCoreIndex(); // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable. // TODO(bunnei): We should call CanAccessAtomic(..) here. diff --git a/src/core/hle/kernel/k_condition_variable.cpp b/src/core/hle/kernel/k_condition_variable.cpp index ef14ad1d2..4174f35fd 100644 --- a/src/core/hle/kernel/k_condition_variable.cpp +++ b/src/core/hle/kernel/k_condition_variable.cpp @@ -35,7 +35,7 @@ bool WriteToUser(Core::System& system, VAddr address, const u32* p) { bool UpdateLockAtomic(Core::System& system, u32* out, VAddr address, u32 if_zero, u32 new_orr_mask) { auto& monitor = system.Monitor(); - const auto current_core = system.CurrentCoreIndex(); + const auto current_core = system.Kernel().CurrentPhysicalCoreIndex(); // Load the value from the address. const auto expected = monitor.ExclusiveRead32(current_core, address); diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 92fbc5532..b0b130719 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -824,6 +824,14 @@ const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const { return impl->cores[id]; } +size_t KernelCore::CurrentPhysicalCoreIndex() const { + const u32 core_id = impl->GetCurrentHostThreadID(); + if (core_id >= Core::Hardware::NUM_CPU_CORES) { + return Core::Hardware::NUM_CPU_CORES - 1; + } + return core_id; +} + Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() { u32 core_id = impl->GetCurrentHostThreadID(); ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 3a6db0b1c..57535433b 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -146,6 +146,9 @@ public: /// Gets the an instance of the respective physical CPU core. const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const; + /// Gets the current physical core index for the running host thread. + std::size_t CurrentPhysicalCoreIndex() const; + /// Gets the sole instance of the Scheduler at the current running core. Kernel::KScheduler* CurrentScheduler(); diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 2eb532472..a90b291da 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -877,7 +877,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle const u64 thread_ticks = current_thread->GetCpuTime(); out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks); - } else if (same_thread && info_sub_id == system.CurrentCoreIndex()) { + } else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) { out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks; } -- cgit v1.2.3 From 2b9560428b6ab84fc61dd8f82e75f58cdb851c07 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 22:58:46 -0700 Subject: core: hle: kernel: Ensure idle threads are closed before destroying scheduler. --- src/core/hle/kernel/k_scheduler.cpp | 6 +++++- src/core/hle/kernel/k_scheduler.h | 2 ++ src/core/hle/kernel/kernel.cpp | 38 +++++++++++++++---------------------- 3 files changed, 22 insertions(+), 24 deletions(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index 6a7d80d03..4bae69f71 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -617,13 +617,17 @@ KScheduler::KScheduler(Core::System& system_, s32 core_id_) : system{system_}, c state.highest_priority_thread = nullptr; } -KScheduler::~KScheduler() { +void KScheduler::Finalize() { if (idle_thread) { idle_thread->Close(); idle_thread = nullptr; } } +KScheduler::~KScheduler() { + ASSERT(!idle_thread); +} + KThread* KScheduler::GetCurrentThread() const { if (auto result = current_thread.load(); result) { return result; diff --git a/src/core/hle/kernel/k_scheduler.h b/src/core/hle/kernel/k_scheduler.h index 12cfae919..516e0cdba 100644 --- a/src/core/hle/kernel/k_scheduler.h +++ b/src/core/hle/kernel/k_scheduler.h @@ -33,6 +33,8 @@ public: explicit KScheduler(Core::System& system_, s32 core_id_); ~KScheduler(); + void Finalize(); + /// Reschedules to the next available thread (call after current thread is suspended) void RescheduleCurrentCore(); diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index b0b130719..6bfb55f71 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -85,8 +85,9 @@ struct KernelCore::Impl { } void InitializeCores() { - for (auto& core : cores) { - core.Initialize(current_process->Is64BitProcess()); + for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { + cores[core_id].Initialize(current_process->Is64BitProcess()); + system.Memory().SetCurrentPageTable(*current_process, core_id); } } @@ -131,15 +132,6 @@ struct KernelCore::Impl { next_user_process_id = KProcess::ProcessIDMin; next_thread_id = 1; - for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { - if (suspend_threads[core_id]) { - suspend_threads[core_id]->Close(); - suspend_threads[core_id] = nullptr; - } - - schedulers[core_id].reset(); - } - cores.clear(); global_handle_table->Finalize(); @@ -167,6 +159,16 @@ struct KernelCore::Impl { CleanupObject(time_shared_mem); CleanupObject(system_resource_limit); + for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { + if (suspend_threads[core_id]) { + suspend_threads[core_id]->Close(); + suspend_threads[core_id] = nullptr; + } + + schedulers[core_id]->Finalize(); + schedulers[core_id].reset(); + } + // Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others next_host_thread_id = Core::Hardware::NUM_CPU_CORES; @@ -257,14 +259,6 @@ struct KernelCore::Impl { void MakeCurrentProcess(KProcess* process) { current_process = process; - if (process == nullptr) { - return; - } - - const u32 core_id = GetCurrentHostThreadID(); - if (core_id < Core::Hardware::NUM_CPU_CORES) { - system.Memory().SetCurrentPageTable(*process, core_id); - } } /// Creates a new host thread ID, should only be called by GetHostThreadId @@ -1048,13 +1042,11 @@ void KernelCore::ExceptionalExit() { } void KernelCore::EnterSVCProfile() { - std::size_t core = impl->GetCurrentHostThreadID(); - impl->svc_ticks[core] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC)); + impl->svc_ticks[CurrentPhysicalCoreIndex()] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC)); } void KernelCore::ExitSVCProfile() { - std::size_t core = impl->GetCurrentHostThreadID(); - MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]); + MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[CurrentPhysicalCoreIndex()]); } std::weak_ptr KernelCore::CreateServiceThread(const std::string& name) { -- cgit v1.2.3 From 01af2f4162308029e53143f0caa953bc4c59de92 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:04:32 -0700 Subject: core: hle: kernel: k_thread: Add KScopedDisableDispatch. --- src/core/hle/kernel/k_thread.cpp | 17 ++++++++++++++++- src/core/hle/kernel/k_thread.h | 31 +++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp index 9f1d3156b..89653e0cb 100644 --- a/src/core/hle/kernel/k_thread.cpp +++ b/src/core/hle/kernel/k_thread.cpp @@ -188,7 +188,7 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s // Setup the stack parameters. StackParameters& sp = GetStackParameters(); sp.cur_thread = this; - sp.disable_count = 1; + sp.disable_count = 0; SetInExceptionHandler(); // Set thread ID. @@ -970,6 +970,9 @@ ResultCode KThread::Run() { // Set our state and finish. SetState(ThreadState::Runnable); + + DisableDispatch(); + return ResultSuccess; } } @@ -1054,4 +1057,16 @@ s32 GetCurrentCoreId(KernelCore& kernel) { return GetCurrentThread(kernel).GetCurrentCore(); } +KScopedDisableDispatch::~KScopedDisableDispatch() { + if (GetCurrentThread(kernel).GetDisableDispatchCount() <= 1) { + auto scheduler = kernel.CurrentScheduler(); + + if (scheduler) { + scheduler->RescheduleCurrentCore(); + } + } else { + GetCurrentThread(kernel).EnableDispatch(); + } +} + } // namespace Kernel diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index c77f44ad4..a149744c8 100644 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -450,16 +450,35 @@ public: sleeping_queue = q; } + [[nodiscard]] bool IsKernelThread() const { + return GetActiveCore() == 3; + } + [[nodiscard]] s32 GetDisableDispatchCount() const { + if (IsKernelThread()) { + // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch. + return 1; + } + return this->GetStackParameters().disable_count; } void DisableDispatch() { + if (IsKernelThread()) { + // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch. + return; + } + ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() >= 0); this->GetStackParameters().disable_count++; } void EnableDispatch() { + if (IsKernelThread()) { + // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch. + return; + } + ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() > 0); this->GetStackParameters().disable_count--; } @@ -752,4 +771,16 @@ public: } }; +class KScopedDisableDispatch { +public: + explicit KScopedDisableDispatch(KernelCore& kernel_) : kernel{kernel_} { + GetCurrentThread(kernel).DisableDispatch(); + } + + ~KScopedDisableDispatch(); + +private: + KernelCore& kernel; +}; + } // namespace Kernel -- cgit v1.2.3 From f2b0d289833be94401edb4bb3b5b891fcda713d4 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:05:01 -0700 Subject: core: hle: kernel: k_handle_table: Use KScopedDisableDispatch as necessary. --- src/core/hle/kernel/k_handle_table.cpp | 6 ++++++ src/core/hle/kernel/k_handle_table.h | 2 ++ 2 files changed, 8 insertions(+) (limited to 'src') diff --git a/src/core/hle/kernel/k_handle_table.cpp b/src/core/hle/kernel/k_handle_table.cpp index 6a420d5b0..d720c2dda 100644 --- a/src/core/hle/kernel/k_handle_table.cpp +++ b/src/core/hle/kernel/k_handle_table.cpp @@ -13,6 +13,7 @@ ResultCode KHandleTable::Finalize() { // Get the table and clear our record of it. u16 saved_table_size = 0; { + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); std::swap(m_table_size, saved_table_size); @@ -43,6 +44,7 @@ bool KHandleTable::Remove(Handle handle) { // Find the object and free the entry. KAutoObject* obj = nullptr; { + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); if (this->IsValidHandle(handle)) { @@ -61,6 +63,7 @@ bool KHandleTable::Remove(Handle handle) { } ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) { + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); // Never exceed our capacity. @@ -83,6 +86,7 @@ ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) { } ResultCode KHandleTable::Reserve(Handle* out_handle) { + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); // Never exceed our capacity. @@ -93,6 +97,7 @@ ResultCode KHandleTable::Reserve(Handle* out_handle) { } void KHandleTable::Unreserve(Handle handle) { + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); // Unpack the handle. @@ -111,6 +116,7 @@ void KHandleTable::Unreserve(Handle handle) { } void KHandleTable::Register(Handle handle, KAutoObject* obj, u16 type) { + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); // Unpack the handle. diff --git a/src/core/hle/kernel/k_handle_table.h b/src/core/hle/kernel/k_handle_table.h index 2ff6aa160..75dcec7df 100644 --- a/src/core/hle/kernel/k_handle_table.h +++ b/src/core/hle/kernel/k_handle_table.h @@ -69,6 +69,7 @@ public: template KScopedAutoObject GetObjectWithoutPseudoHandle(Handle handle) const { // Lock and look up in table. + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); if constexpr (std::is_same_v) { @@ -123,6 +124,7 @@ public: size_t num_opened; { // Lock the table. + KScopedDisableDispatch dd(kernel); KScopedSpinLock lk(m_lock); for (num_opened = 0; num_opened < num_handles; num_opened++) { // Get the current handle. -- cgit v1.2.3 From 7569d6774d2d445d261713b42472fd429ce782a0 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:08:26 -0700 Subject: core: hle: kernel: k_process: DisableDispatch on main thread. --- src/core/hle/kernel/k_process.cpp | 1 + 1 file changed, 1 insertion(+) (limited to 'src') diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp index 8ead1a769..3d7e6707e 100644 --- a/src/core/hle/kernel/k_process.cpp +++ b/src/core/hle/kernel/k_process.cpp @@ -59,6 +59,7 @@ void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority thread->GetContext64().cpu_registers[0] = 0; thread->GetContext32().cpu_registers[1] = thread_handle; thread->GetContext64().cpu_registers[1] = thread_handle; + thread->DisableDispatch(); auto& kernel = system.Kernel(); // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires -- cgit v1.2.3 From bedcf1971022129ec93ab56b9ccb186fbbb26b7f Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:12:47 -0700 Subject: core: hle: kernel: k_scheduler: Improve Unload. --- src/core/hle/kernel/k_scheduler.cpp | 46 +++++++++++++++++++++++-------------- 1 file changed, 29 insertions(+), 17 deletions(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index 4bae69f71..5ee4b8adc 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -650,6 +650,7 @@ void KScheduler::RescheduleCurrentCore() { if (state.needs_scheduling.load()) { Schedule(); } else { + GetCurrentThread()->EnableDispatch(); guard.Unlock(); } } @@ -659,26 +660,37 @@ void KScheduler::OnThreadStart() { } void KScheduler::Unload(KThread* thread) { + ASSERT(thread); + + if (!thread) { + return; + } + LOG_TRACE(Kernel, "core {}, unload thread {}", core_id, thread ? thread->GetName() : "nullptr"); - if (thread) { - if (thread->IsCallingSvc()) { - thread->ClearIsCallingSvc(); - } - if (!thread->IsTerminationRequested()) { - prev_thread = thread; - - Core::ARM_Interface& cpu_core = system.ArmInterface(core_id); - cpu_core.SaveContext(thread->GetContext32()); - cpu_core.SaveContext(thread->GetContext64()); - // Save the TPIDR_EL0 system register in case it was modified. - thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0()); - cpu_core.ClearExclusiveState(); - } else { - prev_thread = nullptr; - } - thread->context_guard.Unlock(); + if (thread->IsCallingSvc()) { + thread->ClearIsCallingSvc(); } + + auto& physical_core = system.Kernel().PhysicalCore(core_id); + if (!physical_core.IsInitialized()) { + return; + } + + Core::ARM_Interface& cpu_core = physical_core.ArmInterface(); + cpu_core.SaveContext(thread->GetContext32()); + cpu_core.SaveContext(thread->GetContext64()); + // Save the TPIDR_EL0 system register in case it was modified. + thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0()); + cpu_core.ClearExclusiveState(); + + if (!thread->IsTerminationRequested() && thread->GetActiveCore() == core_id) { + prev_thread = thread; + } else { + prev_thread = nullptr; + } + + thread->context_guard.Unlock(); } void KScheduler::Reload(KThread* thread) { -- cgit v1.2.3 From 77ad64b97d3d5d9d6f5189ad901e2cd98369c973 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:16:12 -0700 Subject: core: hle: kernel: k_scheduler: Improve ScheduleImpl. --- src/core/hle/kernel/k_scheduler.cpp | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index 5ee4b8adc..e523c4923 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -721,7 +721,7 @@ void KScheduler::SwitchContextStep2() { } void KScheduler::ScheduleImpl() { - KThread* previous_thread = current_thread.load(); + KThread* previous_thread = GetCurrentThread(); KThread* next_thread = state.highest_priority_thread; state.needs_scheduling = false; @@ -733,10 +733,15 @@ void KScheduler::ScheduleImpl() { // If we're not actually switching thread, there's nothing to do. if (next_thread == current_thread.load()) { + previous_thread->EnableDispatch(); guard.Unlock(); return; } + if (next_thread->GetCurrentCore() != core_id) { + next_thread->SetCurrentCore(core_id); + } + current_thread.store(next_thread); KProcess* const previous_process = system.Kernel().CurrentProcess(); @@ -747,11 +752,7 @@ void KScheduler::ScheduleImpl() { Unload(previous_thread); std::shared_ptr* old_context; - if (previous_thread != nullptr) { - old_context = &previous_thread->GetHostContext(); - } else { - old_context = &idle_thread->GetHostContext(); - } + old_context = &previous_thread->GetHostContext(); guard.Unlock(); Common::Fiber::YieldTo(*old_context, *switch_fiber); -- cgit v1.2.3 From d1c502720d9adec47047800896594886e7952693 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:16:36 -0700 Subject: core: hle: kernel: k_scheduler: Remove unnecessary MakeCurrentProcess. --- src/core/hle/kernel/k_scheduler.cpp | 5 ----- 1 file changed, 5 deletions(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index e523c4923..f5236dfea 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -699,11 +699,6 @@ void KScheduler::Reload(KThread* thread) { if (thread) { ASSERT_MSG(thread->GetState() == ThreadState::Runnable, "Thread must be runnable."); - auto* const thread_owner_process = thread->GetOwnerProcess(); - if (thread_owner_process != nullptr) { - system.Kernel().MakeCurrentProcess(thread_owner_process); - } - Core::ARM_Interface& cpu_core = system.ArmInterface(core_id); cpu_core.LoadContext(thread->GetContext32()); cpu_core.LoadContext(thread->GetContext64()); -- cgit v1.2.3 From 2dfb07388ac4755a2b43944cc9a3edfa531a2fee Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:20:07 -0700 Subject: core: hle: kernel: Use CurrentPhysicalCoreIndex as appropriate. --- src/core/hle/kernel/kernel.cpp | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 6bfb55f71..2a984b913 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -827,15 +827,11 @@ size_t KernelCore::CurrentPhysicalCoreIndex() const { } Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() { - u32 core_id = impl->GetCurrentHostThreadID(); - ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); - return impl->cores[core_id]; + return impl->cores[CurrentPhysicalCoreIndex()]; } const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const { - u32 core_id = impl->GetCurrentHostThreadID(); - ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); - return impl->cores[core_id]; + return impl->cores[CurrentPhysicalCoreIndex()]; } Kernel::KScheduler* KernelCore::CurrentScheduler() { -- cgit v1.2.3 From cbe4e32d38c6cc844f5fbf4fc59831a7abea08a9 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:22:52 -0700 Subject: core: cpu_manager: Use KScopedDisableDispatch. --- src/core/cpu_manager.cpp | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'src') diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 77efcabf0..e2c4f0e07 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -118,17 +118,18 @@ void CpuManager::MultiCoreRunGuestLoop() { physical_core = &kernel.CurrentPhysicalCore(); } system.ExitDynarmicProfile(); - physical_core->ArmInterface().ClearExclusiveState(); - kernel.CurrentScheduler()->RescheduleCurrentCore(); + { + Kernel::KScopedDisableDispatch dd(kernel); + physical_core->ArmInterface().ClearExclusiveState(); + } } } void CpuManager::MultiCoreRunIdleThread() { auto& kernel = system.Kernel(); while (true) { - auto& physical_core = kernel.CurrentPhysicalCore(); - physical_core.Idle(); - kernel.CurrentScheduler()->RescheduleCurrentCore(); + Kernel::KScopedDisableDispatch dd(kernel); + kernel.CurrentPhysicalCore().Idle(); } } @@ -136,12 +137,12 @@ void CpuManager::MultiCoreRunSuspendThread() { auto& kernel = system.Kernel(); kernel.CurrentScheduler()->OnThreadStart(); while (true) { - auto core = kernel.GetCurrentHostThreadID(); + auto core = kernel.CurrentPhysicalCoreIndex(); auto& scheduler = *kernel.CurrentScheduler(); Kernel::KThread* current_thread = scheduler.GetCurrentThread(); Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context); ASSERT(scheduler.ContextSwitchPending()); - ASSERT(core == kernel.GetCurrentHostThreadID()); + ASSERT(core == kernel.CurrentPhysicalCoreIndex()); scheduler.RescheduleCurrentCore(); } } -- cgit v1.2.3 From 1798c3b6b0cd4a088be821c604c7ff1617afde7b Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:27:33 -0700 Subject: core: hle: kernel: k_scheduler: Improve DisableScheduling and EnableScheduling. --- src/core/hle/kernel/k_scheduler.cpp | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index f5236dfea..6ddbae52c 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -376,20 +376,18 @@ void KScheduler::ClearSchedulerUpdateNeeded(KernelCore& kernel) { } void KScheduler::DisableScheduling(KernelCore& kernel) { - if (auto* scheduler = kernel.CurrentScheduler(); scheduler) { - ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 0); - scheduler->GetCurrentThread()->DisableDispatch(); - } + ASSERT(GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() >= 0); + GetCurrentThreadPointer(kernel)->DisableDispatch(); } void KScheduler::EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling) { - if (auto* scheduler = kernel.CurrentScheduler(); scheduler) { - ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 1); - if (scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 1) { - scheduler->GetCurrentThread()->EnableDispatch(); - } + ASSERT(GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() >= 1); + + if (GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() > 1) { + GetCurrentThreadPointer(kernel)->EnableDispatch(); + } else { + RescheduleCores(kernel, cores_needing_scheduling); } - RescheduleCores(kernel, cores_needing_scheduling); } u64 KScheduler::UpdateHighestPriorityThreads(KernelCore& kernel) { @@ -646,6 +644,7 @@ void KScheduler::RescheduleCurrentCore() { if (phys_core.IsInterrupted()) { phys_core.ClearInterrupt(); } + guard.Lock(); if (state.needs_scheduling.load()) { Schedule(); @@ -662,10 +661,6 @@ void KScheduler::OnThreadStart() { void KScheduler::Unload(KThread* thread) { ASSERT(thread); - if (!thread) { - return; - } - LOG_TRACE(Kernel, "core {}, unload thread {}", core_id, thread ? thread->GetName() : "nullptr"); if (thread->IsCallingSvc()) { -- cgit v1.2.3 From 5051d3c4159adabe4c3e8b9233a524894eed6808 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 6 Aug 2021 23:43:26 -0700 Subject: core: hle: kernel: DisableDispatch on suspend threads. --- src/core/hle/kernel/kernel.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src') diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 2a984b913..8673384ee 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -1024,6 +1024,9 @@ void KernelCore::Suspend(bool in_suspention) { impl->suspend_threads[core_id]->SetState(state); impl->suspend_threads[core_id]->SetWaitReasonForDebugging( ThreadWaitReasonForDebugging::Suspended); + if (!should_suspend) { + impl->suspend_threads[core_id]->DisableDispatch(); + } } } } -- cgit v1.2.3 From 36cf96857eab706c07470e228542900c41dbabd1 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 7 Aug 2021 01:05:46 -0700 Subject: core: hle: service: nvflinger/vi: Improve management of KEvent. --- src/core/hle/service/nvflinger/nvflinger.cpp | 13 +++++++------ src/core/hle/service/nvflinger/nvflinger.h | 3 +++ src/core/hle/service/vi/display/vi_display.cpp | 17 ++++++++++------- src/core/hle/service/vi/display/vi_display.h | 13 ++++++++++--- 4 files changed, 30 insertions(+), 16 deletions(-) (limited to 'src') diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp index 941748970..32d4e360a 100644 --- a/src/core/hle/service/nvflinger/nvflinger.cpp +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -61,12 +61,13 @@ void NVFlinger::SplitVSync() { } } -NVFlinger::NVFlinger(Core::System& system_) : system(system_) { - displays.emplace_back(0, "Default", system); - displays.emplace_back(1, "External", system); - displays.emplace_back(2, "Edid", system); - displays.emplace_back(3, "Internal", system); - displays.emplace_back(4, "Null", system); +NVFlinger::NVFlinger(Core::System& system_) + : system(system_), service_context(system_, "nvflinger") { + displays.emplace_back(0, "Default", service_context, system); + displays.emplace_back(1, "External", service_context, system); + displays.emplace_back(2, "Edid", service_context, system); + displays.emplace_back(3, "Internal", service_context, system); + displays.emplace_back(4, "Null", service_context, system); guard = std::make_shared(); // Schedule the screen composition events diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h index d80fd07ef..6d84cafb4 100644 --- a/src/core/hle/service/nvflinger/nvflinger.h +++ b/src/core/hle/service/nvflinger/nvflinger.h @@ -15,6 +15,7 @@ #include #include "common/common_types.h" +#include "core/hle/service/kernel_helpers.h" namespace Common { class Event; @@ -135,6 +136,8 @@ private: std::unique_ptr vsync_thread; std::unique_ptr wait_event; std::atomic is_running{}; + + KernelHelpers::ServiceContext service_context; }; } // namespace Service::NVFlinger diff --git a/src/core/hle/service/vi/display/vi_display.cpp b/src/core/hle/service/vi/display/vi_display.cpp index 0dd342dbf..b7705c02a 100644 --- a/src/core/hle/service/vi/display/vi_display.cpp +++ b/src/core/hle/service/vi/display/vi_display.cpp @@ -12,18 +12,21 @@ #include "core/hle/kernel/k_event.h" #include "core/hle/kernel/k_readable_event.h" #include "core/hle/kernel/k_writable_event.h" +#include "core/hle/service/kernel_helpers.h" #include "core/hle/service/vi/display/vi_display.h" #include "core/hle/service/vi/layer/vi_layer.h" namespace Service::VI { -Display::Display(u64 id, std::string name_, Core::System& system) - : display_id{id}, name{std::move(name_)}, vsync_event{system.Kernel()} { - Kernel::KAutoObject::Create(std::addressof(vsync_event)); - vsync_event.Initialize(fmt::format("Display VSync Event {}", id)); +Display::Display(u64 id, std::string name_, KernelHelpers::ServiceContext& service_context_, + Core::System& system_) + : display_id{id}, name{std::move(name_)}, service_context{service_context_} { + vsync_event = service_context.CreateEvent(fmt::format("Display VSync Event {}", id)); } -Display::~Display() = default; +Display::~Display() { + service_context.CloseEvent(vsync_event); +} Layer& Display::GetLayer(std::size_t index) { return *layers.at(index); @@ -34,11 +37,11 @@ const Layer& Display::GetLayer(std::size_t index) const { } Kernel::KReadableEvent& Display::GetVSyncEvent() { - return vsync_event.GetReadableEvent(); + return vsync_event->GetReadableEvent(); } void Display::SignalVSyncEvent() { - vsync_event.GetWritableEvent().Signal(); + vsync_event->GetWritableEvent().Signal(); } void Display::CreateLayer(u64 layer_id, NVFlinger::BufferQueue& buffer_queue) { diff --git a/src/core/hle/service/vi/display/vi_display.h b/src/core/hle/service/vi/display/vi_display.h index 166f2a4cc..0979fc421 100644 --- a/src/core/hle/service/vi/display/vi_display.h +++ b/src/core/hle/service/vi/display/vi_display.h @@ -18,6 +18,9 @@ class KEvent; namespace Service::NVFlinger { class BufferQueue; } +namespace Service::KernelHelpers { +class ServiceContext; +} // namespace Service::KernelHelpers namespace Service::VI { @@ -31,10 +34,13 @@ class Display { public: /// Constructs a display with a given unique ID and name. /// - /// @param id The unique ID for this display. + /// @param id The unique ID for this display. + /// @param service_context_ The ServiceContext for the owning service. /// @param name_ The name for this display. + /// @param system_ The global system instance. /// - Display(u64 id, std::string name_, Core::System& system); + Display(u64 id, std::string name_, KernelHelpers::ServiceContext& service_context_, + Core::System& system_); ~Display(); /// Gets the unique ID assigned to this display. @@ -98,9 +104,10 @@ public: private: u64 display_id; std::string name; + KernelHelpers::ServiceContext& service_context; std::vector> layers; - Kernel::KEvent vsync_event; + Kernel::KEvent* vsync_event{}; }; } // namespace Service::VI -- cgit v1.2.3 From 48a3496b9390e0e1cd0a649d941360dda7b9839b Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 7 Aug 2021 01:16:29 -0700 Subject: core: hle: kernel: k_auto_object: Add GetName method. - Useful purely for debugging. --- src/core/hle/kernel/k_auto_object.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src') diff --git a/src/core/hle/kernel/k_auto_object.h b/src/core/hle/kernel/k_auto_object.h index e4fcdbc67..165b76747 100644 --- a/src/core/hle/kernel/k_auto_object.h +++ b/src/core/hle/kernel/k_auto_object.h @@ -170,6 +170,10 @@ public: } } + const std::string& GetName() const { + return name; + } + private: void RegisterWithKernel(); void UnregisterWithKernel(); -- cgit v1.2.3 From 99bc49e76e85fbf44142d8f925e02bc27c7fa6da Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 7 Aug 2021 01:17:13 -0700 Subject: core: hle: service: buffer_queue: Improve management of KEvent. --- src/core/hle/service/nvflinger/buffer_queue.cpp | 25 ++++++++++++++----------- src/core/hle/service/nvflinger/buffer_queue.h | 11 +++++++++-- src/core/hle/service/nvflinger/nvflinger.cpp | 2 +- 3 files changed, 24 insertions(+), 14 deletions(-) (limited to 'src') diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp index 59ddf6298..b4c3a6099 100644 --- a/src/core/hle/service/nvflinger/buffer_queue.cpp +++ b/src/core/hle/service/nvflinger/buffer_queue.cpp @@ -9,17 +9,20 @@ #include "core/core.h" #include "core/hle/kernel/k_writable_event.h" #include "core/hle/kernel/kernel.h" +#include "core/hle/service/kernel_helpers.h" #include "core/hle/service/nvflinger/buffer_queue.h" namespace Service::NVFlinger { -BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_) - : id(id_), layer_id(layer_id_), buffer_wait_event{kernel} { - Kernel::KAutoObject::Create(std::addressof(buffer_wait_event)); - buffer_wait_event.Initialize("BufferQueue:WaitEvent"); +BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_, + KernelHelpers::ServiceContext& service_context_) + : id(id_), layer_id(layer_id_), service_context{service_context_} { + buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent"); } -BufferQueue::~BufferQueue() = default; +BufferQueue::~BufferQueue() { + service_context.CloseEvent(buffer_wait_event); +} void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) { ASSERT(slot < buffer_slots); @@ -41,7 +44,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) .multi_fence = {}, }; - buffer_wait_event.GetWritableEvent().Signal(); + buffer_wait_event->GetWritableEvent().Signal(); } std::optional> BufferQueue::DequeueBuffer(u32 width, @@ -119,7 +122,7 @@ void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& mult } free_buffers_condition.notify_one(); - buffer_wait_event.GetWritableEvent().Signal(); + buffer_wait_event->GetWritableEvent().Signal(); } std::optional> BufferQueue::AcquireBuffer() { @@ -154,7 +157,7 @@ void BufferQueue::ReleaseBuffer(u32 slot) { } free_buffers_condition.notify_one(); - buffer_wait_event.GetWritableEvent().Signal(); + buffer_wait_event->GetWritableEvent().Signal(); } void BufferQueue::Connect() { @@ -169,7 +172,7 @@ void BufferQueue::Disconnect() { std::unique_lock lock{queue_sequence_mutex}; queue_sequence.clear(); } - buffer_wait_event.GetWritableEvent().Signal(); + buffer_wait_event->GetWritableEvent().Signal(); is_connect = false; free_buffers_condition.notify_one(); } @@ -189,11 +192,11 @@ u32 BufferQueue::Query(QueryType type) { } Kernel::KWritableEvent& BufferQueue::GetWritableBufferWaitEvent() { - return buffer_wait_event.GetWritableEvent(); + return buffer_wait_event->GetWritableEvent(); } Kernel::KReadableEvent& BufferQueue::GetBufferWaitEvent() { - return buffer_wait_event.GetReadableEvent(); + return buffer_wait_event->GetReadableEvent(); } } // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h index 61e337ac5..759247eb0 100644 --- a/src/core/hle/service/nvflinger/buffer_queue.h +++ b/src/core/hle/service/nvflinger/buffer_queue.h @@ -24,6 +24,10 @@ class KReadableEvent; class KWritableEvent; } // namespace Kernel +namespace Service::KernelHelpers { +class ServiceContext; +} // namespace Service::KernelHelpers + namespace Service::NVFlinger { constexpr u32 buffer_slots = 0x40; @@ -54,7 +58,8 @@ public: NativeWindowFormat = 2, }; - explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_); + explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_, + KernelHelpers::ServiceContext& service_context_); ~BufferQueue(); enum class BufferTransformFlags : u32 { @@ -130,12 +135,14 @@ private: std::list free_buffers; std::array buffers; std::list queue_sequence; - Kernel::KEvent buffer_wait_event; + Kernel::KEvent* buffer_wait_event{}; std::mutex free_buffers_mutex; std::condition_variable free_buffers_condition; std::mutex queue_sequence_mutex; + + KernelHelpers::ServiceContext& service_context; }; } // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp index 32d4e360a..00bff8caf 100644 --- a/src/core/hle/service/nvflinger/nvflinger.cpp +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -147,7 +147,7 @@ std::optional NVFlinger::CreateLayer(u64 display_id) { void NVFlinger::CreateLayerAtId(VI::Display& display, u64 layer_id) { const u32 buffer_queue_id = next_buffer_queue_id++; buffer_queues.emplace_back( - std::make_unique(system.Kernel(), buffer_queue_id, layer_id)); + std::make_unique(system.Kernel(), buffer_queue_id, layer_id, service_context)); display.CreateLayer(layer_id, *buffer_queues.back()); } -- cgit v1.2.3 From 9e3d1d865c4baf2cfc3bf937136eb7625091603f Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 7 Aug 2021 12:33:07 -0700 Subject: core: cpu_manager: Use invalid core_id on init and simplify shutdown. --- src/core/cpu_manager.cpp | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) (limited to 'src') diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index e2c4f0e07..35c1a6cbd 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -33,7 +33,7 @@ void CpuManager::Initialize() { core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core); } } else { - core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0); + core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), -1); } } @@ -348,13 +348,9 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) { sc_sync_first_use = false; } - // Abort if emulation was killed before the session really starts - if (!system.IsPoweredOn()) { - return; - } - + // Emulation was stopped if (stop_token.stop_requested()) { - break; + return; } auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread(); -- cgit v1.2.3 From 5060a9721091b3cc994a73569bfd5ab573b9f47d Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 7 Aug 2021 12:33:31 -0700 Subject: core: hle: kernel: k_thread: Mark KScopedDisableDispatch as nodiscard. --- src/core/hle/kernel/k_thread.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index a149744c8..8bbf66c52 100644 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -773,7 +773,7 @@ public: class KScopedDisableDispatch { public: - explicit KScopedDisableDispatch(KernelCore& kernel_) : kernel{kernel_} { + [[nodiscard]] explicit KScopedDisableDispatch(KernelCore& kernel_) : kernel{kernel_} { GetCurrentThread(kernel).DisableDispatch(); } -- cgit v1.2.3 From aef0ca6f0d422623f46f47c15e9a4c9b5fd04dd0 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 14 Aug 2021 02:14:19 -0700 Subject: core: hle: kernel: Disable dispatch count tracking on single core. - This would have limited value, and would be a mess to handle properly. --- src/core/cpu_manager.cpp | 2 +- src/core/hle/kernel/k_thread.cpp | 4 +++- src/core/hle/kernel/k_thread.h | 11 ++++++++--- 3 files changed, 12 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 35c1a6cbd..de2e5563e 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -33,7 +33,7 @@ void CpuManager::Initialize() { core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core); } } else { - core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), -1); + core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0); } } diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp index 89653e0cb..0f6808ade 100644 --- a/src/core/hle/kernel/k_thread.cpp +++ b/src/core/hle/kernel/k_thread.cpp @@ -14,6 +14,7 @@ #include "common/fiber.h" #include "common/logging/log.h" #include "common/scope_exit.h" +#include "common/settings.h" #include "common/thread_queue_list.h" #include "core/core.h" #include "core/cpu_manager.h" @@ -215,9 +216,10 @@ ResultCode KThread::InitializeThread(KThread* thread, KThreadFunction func, uint // Initialize the thread. R_TRY(thread->Initialize(func, arg, user_stack_top, prio, core, owner, type)); - // Initialize host context. + // Initialize emulation parameters. thread->host_context = std::make_shared(std::move(init_func), init_func_parameter); + thread->is_single_core = !Settings::values.use_multi_core.GetValue(); return ResultSuccess; } diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index 8bbf66c52..e4c4c877d 100644 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -454,8 +454,12 @@ public: return GetActiveCore() == 3; } + [[nodiscard]] bool IsDispatchTrackingDisabled() const { + return is_single_core || IsKernelThread(); + } + [[nodiscard]] s32 GetDisableDispatchCount() const { - if (IsKernelThread()) { + if (IsDispatchTrackingDisabled()) { // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch. return 1; } @@ -464,7 +468,7 @@ public: } void DisableDispatch() { - if (IsKernelThread()) { + if (IsDispatchTrackingDisabled()) { // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch. return; } @@ -474,7 +478,7 @@ public: } void EnableDispatch() { - if (IsKernelThread()) { + if (IsDispatchTrackingDisabled()) { // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch. return; } @@ -727,6 +731,7 @@ private: // For emulation std::shared_ptr host_context{}; + bool is_single_core{}; // For debugging std::vector wait_objects_for_debugging; -- cgit v1.2.3