osfmk/i386/pcb.c

74 #include <kern/thread.h>
93 #include <i386/thread.h>
143 				thread_t			thread);
146 get_exception_state32(thread_t thread, x86_exception_state32_t *es);
149 get_exception_state64(thread_t thread, x86_exception_state64_t *es);
152 get_thread_state32(thread_t thread, x86_thread_state32_t *ts);
155 get_thread_state64(thread_t thread, x86_thread_state64_t *ts);
158 set_thread_state32(thread_t thread, x86_thread_state32_t *ts);
161 set_thread_state64(thread_t thread, x86_thread_state64_t *ts);
330 set_debug_state32(thread_t thread, x86_debug_state32_t *ds)
335 	pcb = THREAD_TO_PCB(thread);
364 set_debug_state64(thread_t thread, x86_debug_state64_t *ds)
369 	pcb = THREAD_TO_PCB(thread);
381 		if (thread->hv_thread_target) {
382 			hv_callbacks.volatile_state(thread->hv_thread_target,
404 get_debug_state32(thread_t thread, x86_debug_state32_t *ds)
408 	saved_state = thread->machine.ids;
417 get_debug_state64(thread_t thread, x86_debug_state64_t *ds)
421 	saved_state = (x86_debug_state64_t *)thread->machine.ids;
445  * Switch to the first thread on a CPU.
460  * Switch to a new thread.
461  * Save the old thread`s kernel state or continuation,
509 	 *	Load the rest of the user state for the new thread
522 	thread_t	thread,
529 	fpu_save_context(thread);
530 	PMAP_SWITCH_CONTEXT(thread, processor->idle_thread, cpu_number());
531 	return(Shutdown_context(thread, doshutdown, processor));
541 	thread_t thread)
548 	if (thread->machine.ifps) {
549 		(void) fpu_set_fxstate(thread, NULL, x86_FLOAT_STATE64);
551 		if (thread == current_thread())
555 	if (thread->machine.ids) {
556 		zfree(ids_zone, thread->machine.ids);
557 		thread->machine.ids = NULL;
596 get_exception_state64(thread_t thread, x86_exception_state64_t *es)
600         saved_state = USER_REGS64(thread);
609 get_exception_state32(thread_t thread, x86_exception_state32_t *es)
613         saved_state = USER_REGS32(thread);
623 set_thread_state32(thread_t thread, x86_thread_state32_t *ts)
627 	pal_register_cache_state(thread, DIRTY);
629 	saved_state = USER_REGS32(thread);
646 	ts->gs = thread->machine.cthread_self ? USER_CTHREAD : NULL_SEG;
686 set_thread_state64(thread_t thread, x86_thread_state64_t *ts)
690 	pal_register_cache_state(thread, DIRTY);
692 	saved_state = USER_REGS64(thread);
726 get_thread_state32(thread_t thread, x86_thread_state32_t *ts)
730 	pal_register_cache_state(thread, VALID);
732 	saved_state = USER_REGS32(thread);
754 get_thread_state64(thread_t thread, x86_thread_state64_t *ts)
758 	pal_register_cache_state(thread, VALID);
760 	saved_state = USER_REGS64(thread);
789  *	Set the status of the specified thread.
1128  *	Get the status of the specified thread.
1528 		thread_t		thread,
1536 	 * This works only for an interrupted kernel thread
1538 	if (thread != current_thread() || int_state == NULL)
1684 			panic("unknown thread state");
1696 machine_thread_switch_addrmode(thread_t thread)
1700 	 * - particularly if we're switching the current thread
1708 	machine_thread_create(thread, thread->task);
1711 	if (thread == current_thread()) {
1713 		act_machine_switch_pcb(NULL, thread);
1722  * This is used to set the current thr_act/thread
1726 machine_set_current_thread(thread_t thread)
1728 	current_cpu_datap()->cpu_active_thread = thread;
1733  * Perform machine-dependent per-thread initializations
1774  * detach and return a kernel stack from a thread
1778 machine_stack_detach(thread_t thread)
1783 		     (uintptr_t)thread_tid(thread), thread->priority,
1784 		     thread->sched_pri, 0,
1787 	stack = thread->kernel_stack;
1788 	thread->kernel_stack = 0;
1794  * attach a kernel stack to a thread and initialize it
1799 	thread_t		thread,
1805 		     (uintptr_t)thread_tid(thread), thread->priority,
1806 		     thread->sched_pri, 0, 0);
1809 	thread->kernel_stack = stack;
1826  * move a stack from old to new thread