sched: add function to create per-cpu idle threads
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@@ -156,6 +156,9 @@ static inline void task_unlock_irqrestore(struct task *task, unsigned long flags
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extern struct thread *thread_alloc(void);
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extern kern_status_t thread_init(struct thread *thr, uintptr_t ip);
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extern int thread_priority(struct thread *thr);
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extern void idle(void);
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extern struct thread *create_idle_thread(void);
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extern void add_timer(struct timer *timer);
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extern void remove_timer(struct timer *timer);
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@@ -30,7 +30,7 @@ struct task *idle_task(void)
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return __idle_task;
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}
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static void __idle_function(void)
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void idle(void)
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{
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while (1) {
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ml_cpu_pause();
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@@ -123,7 +123,7 @@ kern_status_t setup_idle_task(void)
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idle_thread->tr_id = 0;
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idle_thread->tr_parent = __idle_task;
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thread_init(idle_thread, (uintptr_t)__idle_function);
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thread_init(idle_thread, (uintptr_t)idle);
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queue_push_back(&__idle_task->t_threads, &idle_thread->tr_threads);
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@@ -70,3 +70,21 @@ int thread_priority(struct thread *thr)
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{
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return thr->tr_prio;
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}
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struct thread *create_idle_thread(void)
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{
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struct task *idle = idle_task();
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struct thread *thr = thread_alloc();
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thr->tr_prio = PRIO_NORMAL;
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thr->tr_state = THREAD_READY;
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thr->tr_quantum_target = default_quantum();
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unsigned long flags;
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task_lock_irqsave(idle, &flags);
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queue_push_back(&idle->t_threads, &thr->tr_threads);
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task_unlock_irqrestore(idle, flags);
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return thr;
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}
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