sched: all kernel-mode tasks now have negative task ids
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@@ -39,11 +39,11 @@ kern_status_t sched_init(void)
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struct thread *this_thread = QUEUE_CONTAINER(
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struct thread,
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tr_threads,
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tr_parent_entry,
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queue_first(&kernel_task()->t_threads));
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struct thread *idle_thread = QUEUE_CONTAINER(
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struct thread,
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tr_threads,
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tr_parent_entry,
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queue_first(&idle_task()->t_threads));
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struct cpu_data *this_cpu = get_this_cpu();
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15
sched/task.c
15
sched/task.c
@@ -80,9 +80,9 @@ kern_status_t setup_kernel_task(void)
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return KERN_NO_MEMORY;
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}
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__kernel_task->t_id = 0;
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__kernel_task->t_pmap = get_kernel_pmap();
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__kernel_task->t_id = -1;
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__kernel_task->t_state = TASK_RUNNING;
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__kernel_task->t_pmap = get_kernel_pmap();
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snprintf(
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__kernel_task->t_name,
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@@ -100,7 +100,7 @@ kern_status_t setup_kernel_task(void)
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task_lock_irqsave(__kernel_task, &flags);
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queue_push_back(
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&__kernel_task->t_threads,
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&kernel_thread->tr_threads);
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&kernel_thread->tr_parent_entry);
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task_unlock_irqrestore(__kernel_task, flags);
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spin_lock_irqsave(&task_list_lock, &flags);
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@@ -120,15 +120,15 @@ kern_status_t setup_idle_task(void)
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unsigned long flags;
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task_lock_irqsave(__idle_task, &flags);
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__idle_task->t_id = (unsigned int)-1;
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__idle_task->t_pmap = get_kernel_pmap();
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__idle_task->t_id = -2;
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__idle_task->t_state = TASK_RUNNING;
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__idle_task->t_pmap = get_kernel_pmap();
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snprintf(__idle_task->t_name, sizeof __idle_task->t_name, "idle");
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struct thread *idle_thread = thread_alloc();
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if (!idle_thread) {
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task_deref(__idle_task);
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task_unref(__idle_task);
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__idle_task = NULL;
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return KERN_NO_MEMORY;
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}
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@@ -137,7 +137,7 @@ kern_status_t setup_idle_task(void)
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idle_thread->tr_parent = __idle_task;
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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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queue_push_back(&__idle_task->t_threads, &idle_thread->tr_parent_entry);
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task_unlock_irqrestore(__idle_task, flags);
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@@ -157,7 +157,6 @@ struct task *task_alloc(void)
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}
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struct task *t = TASK_CAST(task_obj);
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memset(t, 0x00, sizeof *t);
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return t;
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}
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@@ -93,7 +93,7 @@ struct thread *create_kernel_thread(void (*fn)(void))
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unsigned long flags;
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task_lock_irqsave(kernel, &flags);
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queue_push_back(&kernel->t_threads, &thr->tr_threads);
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queue_push_back(&kernel->t_threads, &thr->tr_parent_entry);
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task_unlock_irqrestore(kernel, flags);
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schedule_thread_on_cpu(thr);
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@@ -115,7 +115,7 @@ struct thread *create_idle_thread(void)
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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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queue_push_back(&idle->t_threads, &thr->tr_parent_entry);
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task_unlock_irqrestore(idle, flags);
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return thr;
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