shared/irq/irq-raise-clear.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassicIntr
0007  *
0008  * @brief This source file contains the implementation of
0009  *   rtems_interrupt_clear().
0010  */
0011
0012 /*
0013  * Copyright (C) 2021 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #include <bsp/irq-generic.h>
0038
0039 #include <rtems/score/processormask.h>
0040 #include <rtems/score/smpimpl.h>
0041 #include <rtems/config.h>
0042
0043 rtems_status_code rtems_interrupt_is_pending(
0044   rtems_vector_number vector,
0045   bool               *pending
0046 )
0047 {
0048   if ( pending == NULL ) {
0049     return RTEMS_INVALID_ADDRESS;
0050   }
0051
0052   if ( !bsp_interrupt_is_valid_vector( vector ) ) {
0053     return RTEMS_INVALID_ID;
0054   }
0055
0056   return bsp_interrupt_is_pending( vector, pending );
0057 }
0058
0059 rtems_status_code rtems_interrupt_raise( rtems_vector_number vector )
0060 {
0061   if ( !bsp_interrupt_is_valid_vector( vector ) ) {
0062     return RTEMS_INVALID_ID;
0063   }
0064
0065   return bsp_interrupt_raise( vector );
0066 }
0067
0068 rtems_status_code rtems_interrupt_raise_on(
0069   rtems_vector_number vector,
0070   uint32_t            cpu_index
0071 )
0072 {
0073   if ( !bsp_interrupt_is_valid_vector( vector ) ) {
0074     return RTEMS_INVALID_ID;
0075   }
0076
0077   if ( cpu_index >= rtems_configuration_get_maximum_processors() ) {
0078     return RTEMS_NOT_CONFIGURED;
0079   }
0080
0081 #if defined(RTEMS_SMP)
0082   if ( !_Processor_mask_Is_set( _SMP_Get_online_processors(), cpu_index ) ) {
0083     return RTEMS_INCORRECT_STATE;
0084   }
0085
0086   return bsp_interrupt_raise_on( vector, cpu_index );
0087 #else
0088   return bsp_interrupt_raise( vector );
0089 #endif
0090 }
0091
0092 rtems_status_code rtems_interrupt_clear( rtems_vector_number vector )
0093 {
0094   if ( !bsp_interrupt_is_valid_vector( vector ) ) {
0095     return RTEMS_INVALID_ID;
0096   }
0097
0098   return bsp_interrupt_clear( vector );
0099 }