osfmk/kern/processor.c

60  *	processor.c: processor and processor_set manipulation routines.
65 #include <mach/processor.h>
72 #include <kern/processor.h>
136  *	Initialize the given processor for the cpu
138  *	specified processor set.
142 	processor_t			processor,
148 	if (processor != master_processor) {
150 		SCHED(processor_init)(processor);
153 	processor->state = PROCESSOR_OFF_LINE;
154 	processor->active_thread = THREAD_NULL;
155     processor->next_thread = THREAD_NULL;
156     processor->idle_thread = THREAD_NULL;
157 	processor->processor_set = pset;
158 	processor->current_pri = MINPRI;
159 	processor->current_thmode = TH_MODE_NONE;
160 	processor->cpu_id = cpu_id;
161 	timer_call_setup(&processor->quantum_timer, thread_quantum_expire, processor);
162 	processor->deadline = UINT64_MAX;
163 	processor->timeslice = 0;
164 	processor->processor_meta = PROCESSOR_META_NULL;
165 	processor->processor_self = IP_NULL;
166 	processor_data_init(processor);
167 	processor->processor_list = NULL;
182 		processor_list = processor;
184 		processor_list_tail->processor_list = processor;
185 	processor_list_tail = processor;
192 	processor_t		processor,
205 	processor->processor_meta = pmeta;
210 	processor_t	processor)
212 	return (processor->processor_set);
296 	register processor_t	processor,
305 	if (processor == PROCESSOR_NULL)
308 	cpu_id = processor->cpu_id;
322 		state = processor->state;
328 		if (processor == master_processor)
351 							(uint32_t)(timer_grab(&PROCESSOR_DATA(processor, user_state)) / hz_tick_interval);
353 							(uint32_t)(timer_grab(&PROCESSOR_DATA(processor, system_state)) / hz_tick_interval);
355 			uint64_t tval = timer_grab(&PROCESSOR_DATA(processor, user_state)) +
356 				timer_grab(&PROCESSOR_DATA(processor, system_state));
362 		idle_state = &PROCESSOR_DATA(processor, idle_state);
365 		if (PROCESSOR_DATA(processor, current_state) != idle_state ||
368 							(uint32_t)(timer_grab(&PROCESSOR_DATA(processor, idle_state)) / hz_tick_interval);
395 	processor_t			processor)
402 	if (processor == PROCESSOR_NULL || processor->processor_set == PROCESSOR_SET_NULL)
405 	if (processor == master_processor) {
408 		prev = thread_bind(processor);
411 		result = cpu_start(processor->cpu_id);
419 	pset = processor->processor_set;
421 	if (processor->state != PROCESSOR_OFF_LINE) {
428 	processor->state = PROCESSOR_START;
433 	 *	Create the idle processor thread.
435 	if (processor->idle_thread == THREAD_NULL) {
436 		result = idle_thread_create(processor);
440 			processor->state = PROCESSOR_OFF_LINE;
449 	 *	If there is no active thread, the processor
453 	if (	processor->active_thread == THREAD_NULL		&&
454 			processor->next_thread == THREAD_NULL		) {
459 			processor->state = PROCESSOR_OFF_LINE;
468 		thread->bound_processor = processor;
469 		processor->next_thread = thread;
477 	if (processor->processor_self == IP_NULL)
478 		ipc_processor_init(processor);
480 	result = cpu_start(processor->cpu_id);
484 		processor->state = PROCESSOR_OFF_LINE;
491 	ipc_processor_enable(processor);
498 	processor_t	processor)
500 	if (processor == PROCESSOR_NULL)
503 	return(processor_shutdown(processor));
508 	processor_t		processor,
512 	if (processor == PROCESSOR_NULL)
515 	return(cpu_control(processor->cpu_id, info, count));
536 	processor_t	processor,
541 	if (processor == PROCESSOR_NULL)
544 	state = processor->state;
679  *	Returns scheduling statistics for a processor set.
715  *	Specify max priority permitted on processor set.  This affects
731  *	Allow indicated policy on processor set.
745  *	Forbid indicated policy on processor set.  Time sharing cannot
935  *	List all tasks in the processor set.
949  *	List all threads in the processor set.
983  *	Controls the scheduling attributes governing the processor set.