/**
* @brief Context switch to the highest priority task that is not this task --
* don't save the current task state.
*
* There is always an idle task to switch to.
*/
void dispatch_nosave(void)
{
uint8_t prio = highest_prio();
tcb_t *next_task = runqueue_remove(prio);
//Enqueue current task
runqueue_add(cur_tcb, cur_tcb->cur_prio);
cur_tcb = next_task;
ctx_switch_half(&(next_task->context));
}
/**
* @brief Context switch to the highest priority task that is not this task --
* don't save the current task state.
*
* There is always an idle task to switch to.
*/
void dispatch_nosave(void)
{
/*
This executes the first task
This ends up being the initial high prio task
*/
/* Set cur_tcb to the task that we are about to run */
cur_tcb = runqueue_remove(highest_prio());
/* Set the cur_kstack var of the task that we are about to run */
cur_kstack = (int)cur_tcb->kstack_high;
ctx_switch_half(&(cur_tcb->context));
}
/**
* @brief Context switch to the highest priority task that is not this task --
* don't save the current task state.
*
* There is always an idle task to switch to.
*/
void dispatch_nosave(void)
{
uint8_t next_prio;
tcb_t *next_tcb;
// printf("inside dispatch no save\n");
next_prio = highest_prio();
// printf("next_prio is %u\n", next_prio);
/*
* manage the run queue...
*/
next_tcb = runqueue_remove(next_prio);
// printf("d nosave: removed next_tcb %u %p from run queue\n", next_tcb->cur_prio, next_tcb);
// print_run_queue();
cur_tcb = next_tcb;
// printf("before calling ctx sw half, context->sp is %p\n", next_tcb->context.sp);
ctx_switch_half((volatile void *)(&(next_tcb->context)));
}
