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-rw-r--r--src/core/hle/kernel/k_scheduler.h49
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{};
};