diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/k_scheduler.h | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/src/core/hle/kernel/k_scheduler.h b/src/core/hle/kernel/k_scheduler.h index 783665123..f595b9a5c 100644 --- a/src/core/hle/kernel/k_scheduler.h +++ b/src/core/hle/kernel/k_scheduler.h @@ -29,29 +29,33 @@ namespace Kernel { class KernelCore; class Process; class SchedulerLock; -class Thread; +class KThread; class KScheduler final { public: - explicit KScheduler(Core::System& system, std::size_t core_id); + explicit KScheduler(Core::System& system, s32 core_id); ~KScheduler(); /// Reschedules to the next available thread (call after current thread is suspended) void RescheduleCurrentCore(); /// Reschedules cores pending reschedule, to be called on EnableScheduling. - static void RescheduleCores(KernelCore& kernel, u64 cores_pending_reschedule, - Core::EmuThreadHandle global_thread); + static void RescheduleCores(KernelCore& kernel, u64 cores_pending_reschedule); /// The next two are for SingleCore Only. /// Unload current thread before preempting core. - void Unload(Thread* thread); + void Unload(KThread* thread); /// Reload current thread after core preemption. - void Reload(Thread* thread); + void Reload(KThread* thread); /// Gets the current running thread - [[nodiscard]] Thread* GetCurrentThread() const; + [[nodiscard]] KThread* GetCurrentThread() const; + + /// Returns true if the scheduler is idle + [[nodiscard]] bool IsIdle() const { + return GetCurrentThread() == idle_thread; + } /// Gets the timestamp for the last context switch in ticks. [[nodiscard]] u64 GetLastContextSwitchTicks() const; @@ -72,14 +76,14 @@ public: return switch_fiber; } - [[nodiscard]] u64 UpdateHighestPriorityThread(Thread* highest_thread); + [[nodiscard]] u64 UpdateHighestPriorityThread(KThread* highest_thread); /** * Takes a thread and moves it to the back of the it's priority list. * * @note This operation can be redundant and no scheduling is changed if marked as so. */ - void YieldWithoutCoreMigration(); + static void YieldWithoutCoreMigration(KernelCore& kernel); /** * Takes a thread and moves it to the back of the it's priority list. @@ -88,7 +92,7 @@ public: * * @note This operation can be redundant and no scheduling is changed if marked as so. */ - void YieldWithCoreMigration(); + static void YieldWithCoreMigration(KernelCore& kernel); /** * Takes a thread and moves it out of the scheduling queue. @@ -97,16 +101,18 @@ public: * * @note This operation can be redundant and no scheduling is changed if marked as so. */ - void YieldToAnyThread(); + static void YieldToAnyThread(KernelCore& kernel); + + static void ClearPreviousThread(KernelCore& kernel, KThread* thread); /// Notify the scheduler a thread's status has changed. - static void OnThreadStateChanged(KernelCore& kernel, Thread* thread, ThreadState old_state); + static void OnThreadStateChanged(KernelCore& kernel, KThread* thread, ThreadState old_state); /// Notify the scheduler a thread's priority has changed. - static void OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, s32 old_priority); + static void OnThreadPriorityChanged(KernelCore& kernel, KThread* thread, s32 old_priority); /// Notify the scheduler a thread's core and/or affinity mask has changed. - static void OnThreadAffinityMaskChanged(KernelCore& kernel, Thread* thread, + static void OnThreadAffinityMaskChanged(KernelCore& kernel, KThread* thread, const KAffinityMask& old_affinity, s32 old_core); static bool CanSchedule(KernelCore& kernel); @@ -114,8 +120,7 @@ public: static void SetSchedulerUpdateNeeded(KernelCore& kernel); static void ClearSchedulerUpdateNeeded(KernelCore& kernel); static void DisableScheduling(KernelCore& kernel); - static void EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling, - Core::EmuThreadHandle global_thread); + static void EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling); [[nodiscard]] static u64 UpdateHighestPriorityThreads(KernelCore& kernel); private: @@ -163,13 +168,15 @@ private: * most recent tick count retrieved. No special arithmetic is * applied to it. */ - void UpdateLastContextSwitchTime(Thread* thread, Process* process); + void UpdateLastContextSwitchTime(KThread* thread, Process* process); static void OnSwitch(void* this_scheduler); void SwitchToCurrent(); - Thread* current_thread{}; - Thread* idle_thread{}; + KThread* prev_thread{}; + std::atomic<KThread*> current_thread{}; + + KThread* idle_thread; std::shared_ptr<Common::Fiber> switch_fiber{}; @@ -178,7 +185,7 @@ private: bool interrupt_task_thread_runnable{}; bool should_count_idle{}; u64 idle_count{}; - Thread* highest_priority_thread{}; + KThread* highest_priority_thread{}; void* idle_thread_stack{}; }; @@ -186,7 +193,7 @@ private: Core::System& system; u64 last_context_switch_time{}; - const std::size_t core_id; + const s32 core_id; Common::SpinLock guard{}; }; |