2  * Copyright (c) 2010-2014 Wind River Systems, Inc.
4  * SPDX-License-Identifier: Apache-2.0
85 	arch_current_thread()->custom_data = value;  in z_impl_k_thread_custom_data_set()
98 	return arch_current_thread()->custom_data;  in z_impl_k_thread_custom_data_get()
126 	return thread->base.prio;  in z_impl_k_thread_priority_get()
145 	strncpy(thread->name, str, CONFIG_THREAD_MAX_NAME_LEN - 1);  in z_impl_k_thread_name_set()
146 	thread->name[CONFIG_THREAD_MAX_NAME_LEN - 1] = '\0';  in z_impl_k_thread_name_set()
159 	SYS_PORT_TRACING_OBJ_FUNC(k_thread, name_set, thread, -ENOSYS);  in z_impl_k_thread_name_set()
161 	return -ENOSYS;  in z_impl_k_thread_name_set()
173 			return -EINVAL;  in z_vrfy_k_thread_name_set()
177 	/* In theory we could copy directly into thread->name, but  in z_vrfy_k_thread_name_set()
182 		return -EFAULT;  in z_vrfy_k_thread_name_set()
187 	return -ENOSYS;  in z_vrfy_k_thread_name_set()
196 	return (const char *)thread->name;  in k_thread_name_get()
206 	strncpy(buf, thread->name, size);  in z_impl_k_thread_name_copy()
212 	return -ENOSYS;  in z_impl_k_thread_name_copy()
230 	uint8_t     thread_state = thread_id->base.thread_state;  in k_thread_state_str()
231 #define SS_ENT(s) { Z_STATE_STR_##s, _THREAD_##s, sizeof(Z_STATE_STR_##s) - 1 }  in k_thread_state_str()
252 	buf_size--;   /* Reserve 1 byte for end-of-string character */  in k_thread_state_str()
267 		off += copy_bytes(buf + off, buf_size - off,  in k_thread_state_str()
274 			off += copy_bytes(buf + off, buf_size - off, "+", 1);  in k_thread_state_str()
294 	if ((thread == NULL) || (ko->type != K_OBJ_THREAD) ||  in z_vrfy_k_thread_name_copy()
295 		((ko->flags & K_OBJ_FLAG_INITIALIZED) == 0)) {  in z_vrfy_k_thread_name_copy()
296 		return -EINVAL;  in z_vrfy_k_thread_name_copy()
299 		return -EFAULT;  in z_vrfy_k_thread_name_copy()
301 	len = strlen(thread->name);  in z_vrfy_k_thread_name_copy()
303 		return -ENOSPC;  in z_vrfy_k_thread_name_copy()
306 	return k_usermode_to_copy((void *)buf, thread->name, len + 1);  in z_vrfy_k_thread_name_copy()
311 	return -ENOSYS;  in z_vrfy_k_thread_name_copy()
325  * 2) After servicing a non-nested interrupt
337 	if ((arch_current_thread()->base.thread_state & _THREAD_DUMMY) != 0) {  in z_check_stack_sentinel()
341 	stack = (uint32_t *)arch_current_thread()->stack_info.start;  in z_check_stack_sentinel()
394 		stack_buf_size = stack_obj_size - K_THREAD_STACK_RESERVED;  in setup_thread_stack()
401 		stack_buf_size = stack_obj_size - K_KERNEL_STACK_RESERVED;  in setup_thread_stack()
419 	 * K_MEM_MAP_UNINIT is used to mimic the behavior of non-mapped  in setup_thread_stack()
443 	new_thread->stack_info.mapped.addr = stack_mapped;  in setup_thread_stack()
444 	new_thread->stack_info.mapped.sz = stack_obj_size;  in setup_thread_stack()
479 	new_thread->userspace_local_data =  in setup_thread_stack()
480 		(struct _thread_userspace_local_data *)(stack_ptr - delta);  in setup_thread_stack()
494 	new_thread->stack_info.start = (uintptr_t)stack_buf_start;  in setup_thread_stack()
495 	new_thread->stack_info.size = stack_buf_size;  in setup_thread_stack()
496 	new_thread->stack_info.delta = delta;  in setup_thread_stack()
498 	stack_ptr -= delta;  in setup_thread_stack()
526 				  &new_thread->base.usage,  in z_setup_new_thread()
527 				  sizeof(new_thread->base.usage));  in z_setup_new_thread()
533 		 "user thread %p with kernel-only stack %p",  in z_setup_new_thread()
537 	new_thread->stack_obj = stack;  in z_setup_new_thread()
538 	new_thread->syscall_frame = NULL;  in z_setup_new_thread()
543 	z_waitq_init(&new_thread->join_queue);  in z_setup_new_thread()
546 	z_init_thread_base(&new_thread->base, prio, _THREAD_SLEEPING, options);  in z_setup_new_thread()
567 	new_thread->init_data = NULL;  in z_setup_new_thread()
570 	/* switch_handle must be non-null except when inside z_swap()  in z_setup_new_thread()
574 	__ASSERT(new_thread->switch_handle != NULL,  in z_setup_new_thread()
579 	new_thread->custom_data = NULL;  in z_setup_new_thread()
582 	new_thread->no_wake_on_timeout = false;  in z_setup_new_thread()
585 	new_thread->entry.pEntry = entry;  in z_setup_new_thread()
586 	new_thread->entry.parameter1 = p1;  in z_setup_new_thread()
587 	new_thread->entry.parameter2 = p2;  in z_setup_new_thread()
588 	new_thread->entry.parameter3 = p3;  in z_setup_new_thread()
592 	new_thread->next_thread = _kernel.threads;  in z_setup_new_thread()
598 		strncpy(new_thread->name, name,  in z_setup_new_thread()
599 			CONFIG_THREAD_MAX_NAME_LEN - 1);  in z_setup_new_thread()
601 		new_thread->name[CONFIG_THREAD_MAX_NAME_LEN - 1] = '\0';  in z_setup_new_thread()
606 		new_thread->name[0] = '\0';  in z_setup_new_thread()
611 		new_thread->base.cpu_mask = 1; /* must specify only one cpu */  in z_setup_new_thread()
613 		new_thread->base.cpu_mask = -1; /* allow all cpus */  in z_setup_new_thread()
619 		new_thread->resource_pool = NULL;  in z_setup_new_thread()
631 	new_thread->base.prio_deadline = 0;  in z_setup_new_thread()
633 	new_thread->resource_pool = arch_current_thread()->resource_pool;  in z_setup_new_thread()
636 	z_waitq_init(&new_thread->halt_queue);  in z_setup_new_thread()
640 	new_thread->base.usage = (struct k_cycle_stats) {};  in z_setup_new_thread()
641 	new_thread->base.usage.track_usage =  in z_setup_new_thread()
705 	/* Testing less-than-or-equal since additional room may have been  in z_vrfy_k_thread_create()
709 	stack_obj_size = stack_object->data.stack_data->size;  in z_vrfy_k_thread_create()
711 	stack_obj_size = stack_object->data.stack_size;  in z_vrfy_k_thread_create()
714 				    "stack size %zu is too big, max is %zu",  in z_vrfy_k_thread_create()
728 							arch_current_thread()->base.prio)));  in z_vrfy_k_thread_create()
746 	thread_base->pended_on = NULL;  in z_init_thread_base()
747 	thread_base->user_options = (uint8_t)options;  in z_init_thread_base()
748 	thread_base->thread_state = (uint8_t)initial_state;  in z_init_thread_base()
750 	thread_base->prio = priority;  in z_init_thread_base()
752 	thread_base->sched_locked = 0U;  in z_init_thread_base()
755 	thread_base->is_idle = 0;  in z_init_thread_base()
759 	thread_base->slice_ticks = 0;  in z_init_thread_base()
760 	thread_base->slice_expired = NULL;  in z_init_thread_base()
773 	arch_current_thread()->base.user_options |= K_USER;  in k_thread_user_mode_enter()
776 	arch_current_thread()->entry.pEntry = entry;  in k_thread_user_mode_enter()
777 	arch_current_thread()->entry.parameter1 = p1;  in k_thread_user_mode_enter()
778 	arch_current_thread()->entry.parameter2 = p2;  in k_thread_user_mode_enter()
779 	arch_current_thread()->entry.parameter3 = p3;  in k_thread_user_mode_enter()
782 	__ASSERT(z_stack_is_user_capable(arch_current_thread()->stack_obj),  in k_thread_user_mode_enter()
783 		 "dropping to user mode with kernel-only stack object");  in k_thread_user_mode_enter()
785 	memset(arch_current_thread()->userspace_local_data, 0,  in k_thread_user_mode_enter()
790 			     (char *)(arch_current_thread()->stack_info.start +  in k_thread_user_mode_enter()
791 				      arch_current_thread()->stack_info.size));  in k_thread_user_mode_enter()
817 	 * read unused stack memory.  in z_stack_space_get()
828 		return -ENOTSUP;  in z_stack_space_get()
836 		 * FIXME: thread->stack_info.start ought to reflect  in z_stack_space_get()
840 		size -= 4;  in z_stack_space_get()
860 	if (thread->stack_info.mapped.addr == NULL) {  in z_impl_k_thread_stack_space_get()
861 		return -EINVAL;  in z_impl_k_thread_stack_space_get()
865 	return z_stack_space_get((const uint8_t *)thread->stack_info.start,  in z_impl_k_thread_stack_space_get()
866 				 thread->stack_info.size, unused_ptr);  in z_impl_k_thread_stack_space_get()
937 	    (arch_current_thread()->base.thread_state & _THREAD_DUMMY) != 0)  in z_thread_mark_switched_out()
949 		return -EINVAL;  in k_thread_runtime_stats_get()
968 		return -EINVAL;  in k_thread_runtime_stats_all_get()
981 		stats->execution_cycles += tmp_stats.execution_cycles;  in k_thread_runtime_stats_all_get()
982 		stats->total_cycles     += tmp_stats.total_cycles;  in k_thread_runtime_stats_all_get()
984 		stats->current_cycles   += tmp_stats.current_cycles;  in k_thread_runtime_stats_all_get()
985 		stats->peak_cycles      += tmp_stats.peak_cycles;  in k_thread_runtime_stats_all_get()
986 		stats->average_cycles   += tmp_stats.average_cycles;  in k_thread_runtime_stats_all_get()
988 		stats->idle_cycles      += tmp_stats.idle_cycles;  in k_thread_runtime_stats_all_get()
998 		return -EINVAL;  in k_thread_runtime_stats_cpu_get()
1031 	 * - The thread object may have been overwritten by the time  in defer_thread_cleanup()
1048 	thread_cleanup_stack_addr = thread->stack_info.mapped.addr;  in defer_thread_cleanup()
1049 	thread_cleanup_stack_sz = thread->stack_info.mapped.sz;  in defer_thread_cleanup()
1051 	/* The stack is now considered un-usable. This should prevent any functions  in defer_thread_cleanup()
1055 	thread->stack_info.mapped.addr = NULL;  in defer_thread_cleanup()
1056 	thread->stack_info.mapped.sz = 0;  in defer_thread_cleanup()
1063 	 * - The thread object may have been overwritten when this is  in do_thread_cleanup()