2  * Copyright (c) 2012-2015 Wind River Systems, Inc.
4  * SPDX-License-Identifier: Apache-2.0
42 #define UNKNOWN_COMMAND    -1
43 #define INVALID_BEHAVIOUR  -2
54  * The Cortex-M use the SYSTICK exception for the system timer, which is
75 /* Cortex-M1 and Nios II do have a power saving instruction, so k_cpu_idle()
138 		if (arch_current_thread()->base.prio < 0) {  in isr_handler()
225 	uint64_t t0, dt;  in _test_kernel_cpu_idle()  local
236 		t0 = k_uptime_ticks();  in _test_kernel_cpu_idle()
251 		dt = k_uptime_ticks() - t0;  in _test_kernel_cpu_idle()
252 		zassert_true(abs((int32_t) (dt - dur)) <= slop,  in _test_kernel_cpu_idle()
294  * - The kernel architecture provide an idle function to be run when the system
296  * - This routine tests the k_cpu_atomic_idle() routine
299  * - Functional and black box testing
300  * - Interface testing
303  * - HAS_POWERSAVE_INSTRUCTION is set
306  * - N/A
309  * -# Record system time before cpu enters idle state
310  * -# Enter cpu idle state by k_cpu_atomic_idle()
311  * -# Record system time after cpu idle state is interrupted
312  * -# Compare the two system time values.
315  * - cpu enters idle state for a given time
318  * - Success if the cpu enters idle state, failure otherwise.
321  * - N/A
340  * - The kernel architecture provide an idle function to be run when the system
342  * - This routine tests the k_cpu_idle() routine
345  * - Functional and black box testing
346  * - Interface testing
349  * - HAS_POWERSAVE_INSTRUCTION is set
352  * - N/A
355  * -# Record system time before cpu enters idle state
356  * -# Enter cpu idle state by k_cpu_idle()
357  * -# Record system time after cpu idle state is interrupted
358  * -# Compare the two system time values.
361  * - cpu enters idle state for a given time
364  * - Success if the cpu enters idle state, failure otherwise.
367  * - N/A
428 	 * Re-enable interrupts before returning (for both success and failure  in _test_kernel_interrupts()
459  * - To verify kernel architecture layer shall provide a mechanism to
461  * - This routine tests the routines for disabling and enabling interrupts.
465  * - Interface testing, function and black box testing,
469  * - CONFIG_TICKLESS_KERNEL is not set.
472  * - N/A
475  * -# Do action to align to a tick boundary.
476  * -# Left shift 4 bits for the value of counts.
477  * -# Call irq_lock() and restore its return value to imask.
478  * -# Call sys_clock_tick_get_32() and store its return value to tick.
479  * -# Repeat counts of calling sys_clock_tick_get_32().
480  * -# Call sys_clock_tick_get_32() and store its return value to tick2.
481  * -# Call irq_unlock() with parameter imask.
482  * -# Check if tick is equal to tick2.
483  * -# Repeat counts of calling sys_clock_tick_get_32().
484  * -# Call sys_clock_tick_get_32() and store its return value to tick2.
485  * -# Check if tick is NOT equal to tick2.
488  * - The ticks shall not increase while interrupt locked.
491  * - Successful if check points in test procedure are all passed, otherwise
495  * - N/A
506 	_test_kernel_interrupts(irq_lock_wrapper, irq_unlock_wrapper, -1);  in ZTEST()
516  * - To verify the kernel architecture layer shall provide a mechanism to
519  * - This routine tests the routines for disabling and enabling interrupts.
523  * - Interface testing, function and black box testing,
527  * - TICK_IRQ is defined.
530  * - N/A
533  * -# Do action to align to a tick boundary.
534  * -# Left shift 4 bit for the value of counts.
535  * -# Call irq_disable() and restore its return value to imask.
536  * -# Call sys_clock_tick_get_32() and store its return value to tick.
537  * -# Repeat counts of calling sys_clock_tick_get_32().
538  * -# Call sys_clock_tick_get_32() and store its return value to tick2.
539  * -# Call irq_enable() with parameter imask.
540  * -# Check if tick is equal to tick2.
541  * -# Repeat counts of calling sys_clock_tick_get_32().
542  * -# Call sys_clock_tick_get_32() and store its return value to tick2.
543  * -# Check if tick is NOT equal to tick2.
546  * - The ticks shall not increase while interrupt locked.
549  * - Successful if check points in test procedure are all passed, otherwise
553  * - Note that this test works by disabling the timer interrupt
579  * - Thread context handles derived from context switches must be able to be
583  * - Functional and black box testing
584  * - Interface testing
587  * - N/A
590  * - N/A
593  * -# Set priority of current thread to 0 as a preemptible thread
594  * -# Trap to interrupt context, get thread id of the interrupted thread and
596  * -# Return to thread context and make sure this context is interrupted by
598  * -# Pass command to isr to check whether the isr is executed in interrupt
600  * -# When return to thread context, check the return value of command.
603  * - Thread context restored upon interrupt exit
606  * - Success if context of thread restored correctly, failure otherwise.
609  * - N/A
646 	zassert_false(arch_current_thread()->base.prio < 0,  in ZTEST()
648 		      arch_current_thread()->base.prio);  in ZTEST()
686 	zassert_false((arch_current_thread()->base.prio >= 0),  in _test_kernel_thread()
721 	k_thread_priority_set(self_thread_id, self_thread_id->base.prio + 1);  in thread_helper()
756 			K_PRIO_COOP(THREAD_PRIORITY - 1), 0, K_NO_WAIT);  in k_yield_entry()
784 	k_thread_priority_set(self_thread_id, self_thread_id->base.prio - 1);  in k_yield_entry()
866 	 * time out and report an error.)  in busy_wait_thread()
872 /* a thread sleeps and times out, then reports through a fifo */
883 	timestamp = k_uptime_get() - timestamp;  in thread_sleep()
888 		TC_ERROR("timestamp out of range, got %d\n", (int)timestamp);  in thread_sleep()
904 		 timeout->q_order, timeout->timeout);  in delayed_thread()
930 	zassert_false(rv, " *** thread timed out waiting for " "k_busy_wait()");  in ZTEST()
956 	zassert_equal(rv, 0, " *** thread timed out waiting for thread on "  in ZTEST()
975 		zassert_equal(data->timeout_order, i,  in ZTEST()
977 			      "expected %d)\n", data->timeout_order, i);  in ZTEST()
980 			 data->q_order, data->timeout);  in ZTEST()
1035 		zassert_equal(data->timeout_order, i,  in ZTEST()
1037 			      "expected %d)\n", data->timeout_order, i);  in ZTEST()
1040 			 "as expected\n", data->q_order, data->timeout,  in ZTEST()
1041 			 data->timeout_order);  in ZTEST()