rtems/src/intrbody.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassic
0007  *
0008  * @brief This source file contains the implementation of
0009  *   directive bindings of the Interrupt Manager for languages other than
0010  *   C/C++.
0011  */
0012
0013 /*
0014  *  COPYRIGHT (c) 1989-2013.
0015  *  On-Line Applications Research Corporation (OAR).
0016  *
0017  * Redistribution and use in source and binary forms, with or without
0018  * modification, are permitted provided that the following conditions
0019  * are met:
0020  * 1. Redistributions of source code must retain the above copyright
0021  *    notice, this list of conditions and the following disclaimer.
0022  * 2. Redistributions in binary form must reproduce the above copyright
0023  *    notice, this list of conditions and the following disclaimer in the
0024  *    documentation and/or other materials provided with the distribution.
0025  *
0026  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0027  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0028  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0029  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0030  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0031  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0032  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0033  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0034  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0035  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0036  * POSSIBILITY OF SUCH DAMAGE.
0037  */
0038
0039 #ifdef HAVE_CONFIG_H
0040 #include "config.h"
0041 #endif
0042
0043 #include <rtems/rtems/status.h>
0044 #include <rtems/score/isr.h>
0045 #include <rtems/rtems/intr.h>
0046
0047 #if !defined(RTEMS_SMP)
0048
0049 /*
0050  *  Undefine all of these is normally a macro and we want a real body in
0051  *  the library for other language bindings.
0052  */
0053 #undef rtems_interrupt_disable
0054 #undef rtems_interrupt_enable
0055 #undef rtems_interrupt_flash
0056
0057 /*
0058  *  Prototype them to avoid warnings
0059  */
0060 rtems_interrupt_level rtems_interrupt_disable( void );
0061 void rtems_interrupt_enable( rtems_interrupt_level previous_level );
0062 void rtems_interrupt_flash( rtems_interrupt_level previous_level );
0063
0064 /*
0065  *  Now define real bodies
0066  */
0067 rtems_interrupt_level rtems_interrupt_disable( void )
0068 {
0069   rtems_interrupt_level previous_level;
0070
0071   _ISR_Local_disable( previous_level );
0072
0073   return previous_level;
0074 }
0075
0076 void rtems_interrupt_enable(
0077   rtems_interrupt_level previous_level
0078 )
0079 {
0080   _ISR_Local_enable( previous_level );
0081 }
0082
0083 void rtems_interrupt_flash(
0084   rtems_interrupt_level previous_level
0085 )
0086 {
0087   _ISR_Local_flash( previous_level );
0088 }
0089
0090 #endif /* RTEMS_SMP */
0091
0092 #undef rtems_interrupt_is_in_progress
0093 bool rtems_interrupt_is_in_progress( void );
0094
0095 bool rtems_interrupt_is_in_progress( void )
0096 {
0097   return _ISR_Is_in_progress();
0098 }