score/src/interr.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreIntErr
0007  *
0008  * @brief This source file contains the definition of ::_System_state_Current
0009  *   and the implementation of _Terminate() and _Internal_error().
0010  */
0011
0012 /*
0013  *  COPYRIGHT (c) 1989-1999.
0014  *  On-Line Applications Research Corporation (OAR).
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037
0038 #ifdef HAVE_CONFIG_H
0039 #include "config.h"
0040 #endif
0041
0042 #include <rtems/score/interr.h>
0043 #include <rtems/score/cpuimpl.h>
0044 #include <rtems/score/isrlevel.h>
0045 #include <rtems/score/smpimpl.h>
0046 #include <rtems/score/sysstate.h>
0047 #include <rtems/score/userextimpl.h>
0048
0049 System_state_Codes _System_state_Current;
0050
0051 void _Terminate(
0052   Internal_errors_Source the_source,
0053   Internal_errors_t      the_error
0054 )
0055 {
0056   ISR_Level level;
0057
0058   /*
0059    * Make sure that interrupts don't interfere with the fatal error handling on
0060    * this processor.  This reduces the likelihood to end up in a recursive
0061    * fatal error handling sequence.
0062    */
0063   _ISR_Local_disable( level );
0064   (void) level;
0065
0066   _User_extensions_Fatal( the_source, the_error );
0067
0068   /*
0069    * Everything after invoking the fatal extensions is essentially dead code.
0070    * At least one fatal extension of the initial extension sets should not
0071    * return and for example reset the system.  See section "System Termination
0072    * Procedure" in the RTEMS Classic API Guide.
0073    *
0074    * The following code is only executed in badly configured applications.
0075    */
0076   _CPU_Thread_Idle_body( 0 );
0077 }
0078
0079 void _Internal_error( Internal_errors_Core_list core_error )
0080 {
0081   _Terminate( INTERNAL_ERROR_CORE, core_error );
0082 }