/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSScoreScheduler
 *
 * @brief This source file contains the implementation of
 *   _Scheduler_default_Pin_or_unpin_do_nothing().
 */

/*
 * Copyright (C) 2018 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/score/scheduler.h>
#include <rtems/score/interr.h>
#include <rtems/score/smpimpl.h>
#include <rtems/sysinit.h>

void _Scheduler_default_Pin_or_unpin_do_nothing(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node,
  struct Per_CPU_Control  *cpu
)
{
  (void) scheduler;
  (void) the_thread;
  (void) node;
  (void) cpu;
}

static void _Scheduler_Ensure_exactly_one_processor( void )
{
  if ( _SMP_Get_processor_maximum() != 1 ) {
    _Terminate(
      RTEMS_FATAL_SOURCE_SMP,
      SMP_FATAL_SCHEDULER_REQUIRES_EXACTLY_ONE_PROCESSOR
    );
  }
}

RTEMS_SYSINIT_ITEM(
  _Scheduler_Ensure_exactly_one_processor,
  RTEMS_SYSINIT_SCHEDULER,
  RTEMS_SYSINIT_ORDER_MIDDLE
);