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#include <kernel/task.H>
#include <kernel/scheduler.H>
#include <kernel/taskmgr.H>
#include <kernel/cpu.H>
#include <kernel/cpumgr.H>
#include <kernel/console.H>
#include <kernel/timemgr.H>
void Scheduler::addTask(task_t* t)
{
if (t->cpu->idle_task != t)
{
iv_taskList.insert(t);
}
}
void Scheduler::returnRunnable()
{
this->addTask(TaskManager::getCurrentTask());
}
void Scheduler::setNextRunnable()
{
task_t* t = iv_taskList.remove();
if (NULL == t)
{
t = CpuManager::getCurrentCPU()->idle_task;
// TODO: Set short decrementer.
register uint64_t decrementer = TimeManager::getTimeSliceCount();
asm volatile("mtdec %0" :: "r"(decrementer));
}
else // Set normal timeslice to decrementer.
{
register uint64_t decrementer = TimeManager::getTimeSliceCount();
asm volatile("mtdec %0" :: "r"(decrementer));
}
TaskManager::setCurrentTask(t);
}
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