diff options
Diffstat (limited to '')
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 81 |
1 files changed, 48 insertions, 33 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 45e86a677..2e4e4cb1c 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -14,6 +14,7 @@ #include "common/assert.h" #include "common/logging/log.h" #include "common/microprofile.h" +#include "common/scope_exit.h" #include "common/thread.h" #include "common/thread_worker.h" #include "core/arm/arm_interface.h" @@ -83,12 +84,16 @@ 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); } } void Shutdown() { + is_shutting_down.store(true, std::memory_order_relaxed); + SCOPE_EXIT({ is_shutting_down.store(false, std::memory_order_relaxed); }); + process_list.clear(); // Close all open server ports. @@ -123,15 +128,6 @@ 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(); @@ -159,6 +155,16 @@ 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; @@ -245,13 +251,11 @@ struct KernelCore::Impl { KScopedSchedulerLock lock(kernel); global_scheduler_context->PreemptThreads(); } - const auto time_interval = std::chrono::nanoseconds{ - Core::Timing::msToCycles(std::chrono::milliseconds(10))}; + const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)}; system.CoreTiming().ScheduleEvent(time_interval, preemption_event); }); - const auto time_interval = - std::chrono::nanoseconds{Core::Timing::msToCycles(std::chrono::milliseconds(10))}; + const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)}; system.CoreTiming().ScheduleEvent(time_interval, preemption_event); } @@ -267,14 +271,6 @@ 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); - } } static inline thread_local u32 host_thread_id = UINT32_MAX; @@ -344,7 +340,16 @@ struct KernelCore::Impl { is_phantom_mode_for_singlecore = value; } + bool IsShuttingDown() const { + return is_shutting_down.load(std::memory_order_relaxed); + } + KThread* GetCurrentEmuThread() { + // If we are shutting down the kernel, none of this is relevant anymore. + if (IsShuttingDown()) { + return {}; + } + const auto thread_id = GetCurrentHostThreadID(); if (thread_id >= Core::Hardware::NUM_CPU_CORES) { return GetHostDummyThread(); @@ -760,6 +765,7 @@ struct KernelCore::Impl { std::vector<std::unique_ptr<KThread>> dummy_threads; bool is_multicore{}; + std::atomic_bool is_shutting_down{}; bool is_phantom_mode_for_singlecore{}; u32 single_core_thread_id{}; @@ -845,16 +851,20 @@ 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); - 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() { @@ -1057,6 +1067,9 @@ 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(); + } } } } @@ -1065,19 +1078,21 @@ bool KernelCore::IsMulticore() const { return impl->is_multicore; } +bool KernelCore::IsShuttingDown() const { + return impl->IsShuttingDown(); +} + void KernelCore::ExceptionalExit() { exception_exited = true; Suspend(true); } 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<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) { |