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Diffstat (limited to 'testsuites/validation/tc-dev-clock-xil-ttc.c')
-rw-r--r-- | testsuites/validation/tc-dev-clock-xil-ttc.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/testsuites/validation/tc-dev-clock-xil-ttc.c b/testsuites/validation/tc-dev-clock-xil-ttc.c new file mode 100644 index 0000000000..70f49a4cc6 --- /dev/null +++ b/testsuites/validation/tc-dev-clock-xil-ttc.c @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup DevClockXilTtcValTickCatchUp + */ + +/* + * Copyright (C) 2024 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This file is part of the RTEMS quality process and was automatically + * generated. If you find something that needs to be fixed or + * worded better please post a report or patch to an RTEMS mailing list + * or raise a bug report: + * + * https://www.rtems.org/bugs.html + * + * For information on updating and regenerating please refer to the How-To + * section in the Software Requirements Engineering chapter of the + * RTEMS Software Engineering manual. The manual is provided as a part of + * a release. For development sources please refer to the online + * documentation at: + * + * https://docs.rtems.org + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems.h> +#include <sys/time.h> + +#include <rtems/test.h> + +/** + * @defgroup DevClockXilTtcValTickCatchUp \ + * spec:/dev/clock/xil-ttc/val/tick-catch-up + * + * @ingroup TestsuitesBspsValidationBsp0 + * + * @brief Tests some Xilinx TTC clock driver functions. + * + * This test case performs the following actions: + * + * - Synchronize with the clock tick. Disable interrupts. Busy wait three + * clock tick intervals. Enable interrupts. + * + * - Check that exactly three clock ticks happened once interrupts are + * enabled again. + * + * @{ + */ + +/** + * @brief Synchronize with the clock tick. Disable interrupts. Busy wait + * three clock tick intervals. Enable interrupts. + */ +static void DevClockXilTtcValTickCatchUp_Action_0( void ) +{ + uint32_t ns_per_tick; + uint64_t three_ticks_interval; + rtems_interrupt_level level; + rtems_interval t_0; + rtems_interval t_1; + rtems_interval t_2; + uint64_t m_0; + uint64_t m_1; + + ns_per_tick = rtems_configuration_get_nanoseconds_per_tick(); + three_ticks_interval = ( 7 * (uint64_t) nstosbt( ns_per_tick ) ) / 2; + t_0 = rtems_clock_get_ticks_since_boot(); + + /* Synchronize with clock tick */ + do { + t_1 = rtems_clock_get_ticks_since_boot(); + m_0 = (uint64_t) rtems_clock_get_monotonic_sbintime(); + } while ( t_0 == t_1 ); + + rtems_interrupt_local_disable( level ); + + do { + m_1 = (uint64_t) rtems_clock_get_monotonic_sbintime(); + } while ( m_1 - m_0 <= three_ticks_interval ); + + rtems_interrupt_local_enable( level ); + + /* + * Make sure the clock interrupt was serviced after the interrupt enable. + */ + do { + t_2 = rtems_clock_get_ticks_since_boot(); + } while ( t_1 == t_2 ); + + /* + * Check that exactly three clock ticks happened once interrupts are enabled + * again. + */ + T_step_eq_u32( 0, t_2 - t_1, 3 ); +} + +/** + * @fn void T_case_body_DevClockXilTtcValTickCatchUp( void ) + */ +T_TEST_CASE( DevClockXilTtcValTickCatchUp ) +{ + T_plan( 1 ); + + DevClockXilTtcValTickCatchUp_Action_0(); +} + +/** @} */ |