shared/irq/bsp_isr_handler.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsSPARCLEON3
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _SPARC_Interrupt_dispatch().
0010  */
0011
0012 /*
0013  *  COPYRIGHT (c) 2015
0014  *  Cobham Gaisler
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
0039 #include <bsp.h>
0040 #include <bsp/irq-generic.h>
0041 #include <bsp/irqimpl.h>
0042
0043 /*
0044  * This function is called directly from _SPARC_Interrupt_trap() for
0045  * traps 0x10 to 0x1F which correspond to IRQ 0 to 15 respectively.
0046  */
0047 void _SPARC_Interrupt_dispatch( uint32_t irq )
0048 {
0049   bsp_interrupt_assert( irq < BSP_INTERRUPT_VECTOR_COUNT );
0050
0051   /* Let BSP fixup and/or handle incoming IRQ */
0052   irq = bsp_irq_fixup( irq );
0053
0054   bsp_interrupt_handler_dispatch_unchecked( irq );
0055 }