t-test-rtems-context.c

/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (C) 2019 embedded brains GmbH
 *
 * 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.
 */

#undef __STRICT_ANSI__

#include <rtems/test.h>

#include <rtems.h>
#include <rtems/score/isrlevel.h>
#include <rtems/score/percpu.h>
#include <rtems/score/threaddispatch.h>

#include <inttypes.h>

#ifdef RTEMS_SMP
static rtems_id T_runner_scheduler;
#endif

static rtems_task_priority T_runner_priority;

static void
T_initialize_runner_properties(void)
{
    rtems_status_code sc;

#ifdef RTEMS_SMP
    sc = rtems_task_get_scheduler(RTEMS_SELF, &T_runner_scheduler);
    T_quiet_rsc_success(sc);
#endif

    sc = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY,
        &T_runner_priority);
    T_quiet_rsc_success(sc);
}

static void
T_do_check_task_context(void)
{
    rtems_task_priority prio;
    rtems_status_code sc;
    uint32_t v;
#ifdef RTEMS_SMP
    rtems_id id;
#endif

    v = _Per_CPU_Get_snapshot()->thread_dispatch_disable_level;
    T_check(&T_special, v == 0,
        "Wrong thread dispatch disabled level (%" PRIu32 ")", v);

    v = _Per_CPU_Get_snapshot()->isr_nest_level;
    T_check(&T_special, v == 0,
        "Wrong ISR nest level (%" PRIu32 ")", v);

    v = _ISR_Get_level();
    T_check(&T_special, v == 0,
        "Wrong ISR level (%" PRIu32 ")", v);

#ifdef RTEMS_SMP
    id = 0;
    sc = rtems_task_get_scheduler(RTEMS_SELF, &id);
    T_quiet_rsc_success(sc);
    T_check(&T_special, id == T_runner_scheduler,
        "Wrong runner scheduler, expected ID %08" PRIx32 ", actual ID %08"
        PRIx32, T_runner_scheduler, id);
#endif

    prio = 0;
    sc = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY,
        &prio);
    T_quiet_rsc_success(sc);
    T_check(&T_special, prio == T_runner_priority,
        "Wrong runner priority, expected %" PRIu32 ", actual %"
        PRIu32, T_runner_priority, prio);
}

void
T_check_task_context(T_event event, const char *name)
{
    (void)name;

    switch (event) {
    case T_EVENT_RUN_INITIALIZE_LATE:
        T_initialize_runner_properties();
        /* Fall through */
    case T_EVENT_CASE_END:
        T_do_check_task_context();
        break;
    default:
        break;
    };
}