27 void k_stack_init(struct k_stack *stack, stack_data_t *buffer,  in k_stack_init()  argument
30 	z_waitq_init(&stack->wait_q);  in k_stack_init()
31 	stack->lock = (struct k_spinlock) {};  in k_stack_init()
32 	stack->next = buffer;  in k_stack_init()
33 	stack->base = buffer;  in k_stack_init()
34 	stack->top = stack->base + num_entries;  in k_stack_init()
36 	SYS_PORT_TRACING_OBJ_INIT(k_stack, stack);  in k_stack_init()
37 	k_object_init(stack);  in k_stack_init()
40 	k_obj_core_init_and_link(K_OBJ_CORE(stack), &obj_type_stack);  in k_stack_init()
44 int32_t z_impl_k_stack_alloc_init(struct k_stack *stack, uint32_t num_entries)  in z_impl_k_stack_alloc_init()  argument
49 	SYS_PORT_TRACING_OBJ_FUNC_ENTER(k_stack, alloc_init, stack);  in z_impl_k_stack_alloc_init()
53 		k_stack_init(stack, buffer, num_entries);  in z_impl_k_stack_alloc_init()
54 		stack->flags = K_STACK_FLAG_ALLOC;  in z_impl_k_stack_alloc_init()
60 	SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, alloc_init, stack, ret);  in z_impl_k_stack_alloc_init()
66 static inline int32_t z_vrfy_k_stack_alloc_init(struct k_stack *stack,  in z_vrfy_k_stack_alloc_init()  argument
71 	K_OOPS(K_SYSCALL_OBJ_NEVER_INIT(stack, K_OBJ_STACK));  in z_vrfy_k_stack_alloc_init()
75 	return z_impl_k_stack_alloc_init(stack, num_entries);  in z_vrfy_k_stack_alloc_init()
80 int k_stack_cleanup(struct k_stack *stack)  in k_stack_cleanup()  argument
82 	SYS_PORT_TRACING_OBJ_FUNC_ENTER(k_stack, cleanup, stack);  in k_stack_cleanup()
84 	CHECKIF(z_waitq_head(&stack->wait_q) != NULL) {  in k_stack_cleanup()
85 		SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, cleanup, stack, -EAGAIN);  in k_stack_cleanup()
90 	if ((stack->flags & K_STACK_FLAG_ALLOC) != (uint8_t)0) {  in k_stack_cleanup()
91 		k_free(stack->base);  in k_stack_cleanup()
92 		stack->base = NULL;  in k_stack_cleanup()
93 		stack->flags &= ~K_STACK_FLAG_ALLOC;  in k_stack_cleanup()
96 	SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, cleanup, stack, 0);  in k_stack_cleanup()
101 int z_impl_k_stack_push(struct k_stack *stack, stack_data_t data)  in z_impl_k_stack_push()  argument
105 	k_spinlock_key_t key = k_spin_lock(&stack->lock);  in z_impl_k_stack_push()
107 	SYS_PORT_TRACING_OBJ_FUNC_ENTER(k_stack, push, stack);  in z_impl_k_stack_push()
109 	CHECKIF(stack->next == stack->top) {  in z_impl_k_stack_push()
114 	first_pending_thread = z_unpend_first_thread(&stack->wait_q);  in z_impl_k_stack_push()
121 		z_reschedule(&stack->lock, key);  in z_impl_k_stack_push()
124 		*(stack->next) = data;  in z_impl_k_stack_push()
125 		stack->next++;  in z_impl_k_stack_push()
130 	k_spin_unlock(&stack->lock, key);  in z_impl_k_stack_push()
133 	SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, push, stack, ret);  in z_impl_k_stack_push()
139 static inline int z_vrfy_k_stack_push(struct k_stack *stack, stack_data_t data)  in z_vrfy_k_stack_push()  argument
141 	K_OOPS(K_SYSCALL_OBJ(stack, K_OBJ_STACK));  in z_vrfy_k_stack_push()
143 	return z_impl_k_stack_push(stack, data);  in z_vrfy_k_stack_push()
148 int z_impl_k_stack_pop(struct k_stack *stack, stack_data_t *data,  in z_impl_k_stack_pop()  argument
154 	key = k_spin_lock(&stack->lock);  in z_impl_k_stack_pop()
156 	SYS_PORT_TRACING_OBJ_FUNC_ENTER(k_stack, pop, stack, timeout);  in z_impl_k_stack_pop()
158 	if (likely(stack->next > stack->base)) {  in z_impl_k_stack_pop()
159 		stack->next--;  in z_impl_k_stack_pop()
160 		*data = *(stack->next);  in z_impl_k_stack_pop()
161 		k_spin_unlock(&stack->lock, key);  in z_impl_k_stack_pop()
163 		SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, pop, stack, timeout, 0);  in z_impl_k_stack_pop()
168 	SYS_PORT_TRACING_OBJ_FUNC_BLOCKING(k_stack, pop, stack, timeout);  in z_impl_k_stack_pop()
171 		k_spin_unlock(&stack->lock, key);  in z_impl_k_stack_pop()
173 		SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, pop, stack, timeout, -EBUSY);  in z_impl_k_stack_pop()
178 	result = z_pend_curr(&stack->lock, key, &stack->wait_q, timeout);  in z_impl_k_stack_pop()
180 		SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, pop, stack, timeout, -EAGAIN);  in z_impl_k_stack_pop()
187 	SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_stack, pop, stack, timeout, 0);  in z_impl_k_stack_pop()
193 static inline int z_vrfy_k_stack_pop(struct k_stack *stack,  in z_vrfy_k_stack_pop()  argument
196 	K_OOPS(K_SYSCALL_OBJ(stack, K_OBJ_STACK));  in z_vrfy_k_stack_pop()
198 	return z_impl_k_stack_pop(stack, data, timeout);  in z_vrfy_k_stack_pop()
213 	STRUCT_SECTION_FOREACH(k_stack, stack) {  in init_stack_obj_core_list()
214 		k_obj_core_init_and_link(K_OBJ_CORE(stack), &obj_type_stack);  in init_stack_obj_core_list()