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();
+}
+
+/** @} */