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

/*
 *  COPYRIGHT (c) 1989-2010.
 *  On-Line Applications Research Corporation (OAR).
 *
 * 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.h>
#include <rtems/bspIo.h>

rtems_id __gnat_binary_semaphore_create(void)
{
  rtems_status_code status;
  rtems_id          semaphore;

  status = rtems_semaphore_create(
    rtems_build_name( 'A', 'I', 'S', 'R' ),
    0,
    RTEMS_SIMPLE_BINARY_SEMAPHORE | RTEMS_FIFO,
    0,
    &semaphore
  );
  if ( status != RTEMS_SUCCESSFUL )
    printk( "__gnat_binary_semaphore_create failed %d\n", status );

  #if defined(GNAT_DEBUG)
    printk( "__gnat_binary_semaphore_create\n" );
  #endif
  return semaphore;
}

int __gnat_binary_semaphore_delete(
  rtems_id semaphore
)
{
  rtems_status_code status;

  #if defined(GNAT_DEBUG)
    printk( "__gnat_binary_semaphore_delete\n" );
  #endif

  status = rtems_semaphore_delete( semaphore );
  if ( status != RTEMS_SUCCESSFUL )
    printk( "__gnat_binary_semaphore_delete failed %d\n", status );

  return 0;
}

int __gnat_binary_semaphore_obtain(
  rtems_id semaphore
)
{
  rtems_status_code status;

  #if defined(GNAT_DEBUG)
    printk( "__gnat_binary_semaphore_obtain\n" );
  #endif

  status = rtems_semaphore_obtain( semaphore, RTEMS_WAIT, RTEMS_NO_TIMEOUT );
  if ( status != RTEMS_SUCCESSFUL )
    printk( "__gnat_binary_semaphore_obtain failed %d\n", status );

  return 0;
}

int __gnat_binary_semaphore_release(
  rtems_id semaphore
)
{
  rtems_status_code status;

  #if defined(GNAT_DEBUG)
    printk( "__gnat_binary_semaphore_release\n" );
  #endif

  status = rtems_semaphore_release( semaphore );
  if ( status != RTEMS_SUCCESSFUL )
    printk( "__gnat_binary_semaphore_release failed %d\n", status );

  return 0;
}

int __gnat_binary_semaphore_flush(
  rtems_id semaphore
)
{
  rtems_status_code status;

  printk( "__gnat_binary_semaphore_flush\n" );

  status = rtems_semaphore_flush( semaphore );
  if ( status != RTEMS_SUCCESSFUL )
    printk( "__gnat_binary_semaphore_flush failed %d\n", status );

  return 0;
}

typedef void (*ISRHandler)(void*);
  void *set_vector( void *, rtems_vector_number, int );

int __gnat_interrupt_connect(
  int         vector,
  ISRHandler  handler,
  void       *parameter
)
{
  printk( "__gnat_interrupt_connect( %d, %p, %p )\n", vector, handler, parameter  );
  set_vector( handler, vector, 1 );
  return 0;
}

int __gnat_interrupt_set(
  int         vector,
  ISRHandler  handler
)
{
  printk( "__gnat_interrupt_set( %d, %p )\n", vector, handler );

  set_vector( handler, vector, 1 );
  return 0;
}

ISRHandler __gnat_interrupt_get(
  int         vector
)
{
  printk( "__gnat_interrupt_get( %d )\n", vector );
  return 0;
}

int __gnat_interrupt_number_to_vector(
  int intNum
)
{
  printk( "__gnat_interrupt_number_to_vector( %d )\n", intNum );
  return intNum;
}