mvme147s/mpci/mpisr.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  *  NOTE: This routine is not used when in polling mode.  Either
0007  *        this routine OR Shm_clockisr is used in a particular system.
0008  */
0009
0010 /*
0011  *  COPYRIGHT (c) 1989-1999, 2016.
0012  *  On-Line Applications Research Corporation (OAR).
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  *
0035  *  MVME147 port for TNI - Telecom Bretagne
0036  *  by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr)
0037  *  June 1996
0038  */
0039
0040 #include <rtems.h>
0041 #include <bsp.h>
0042 #include <shm_driver.h>
0043
0044 static rtems_isr Shm_isr_mvme147(rtems_vector_number vector)
0045 {
0046   (void) vector;
0047   Shm_Interrupt_count += 1;
0048   rtems_multiprocessing_announce();
0049   vme_gcsr->global_1 = 1; /* clear SIGLP intr */
0050 }
0051
0052 /*
0053  *  This driver routine sets the SHM interrupt vector to point to the
0054  *  driver's SHM interrupt service routine.
0055  */
0056 void Shm_setvec(void)
0057 {
0058   /* may need to disable intr */
0059   set_vector( Shm_isr_mvme147, VME_SIGLP_VECTOR, 1 );
0060 }