source: rtems/cpukit/score/cpu/arm/armv7m-exception-priority-set.c @ 255fe43

/* SPDX-License-Identifier: BSD-2-Clause */

/**
 *  @file
 *
 *  @brief ARMV7M Set Exception Priority
 */

/*
 * Copyright (c) 2011 Sebastian Huber.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/score/armv7m.h>

#ifdef ARM_MULTILIB_ARCH_V7M

void _ARMV7M_Set_exception_priority( int vector, int priority )
{
  if ( _ARMV7M_Is_vector_an_irq( vector ) ) {
    _ARMV7M_NVIC_Set_priority( ARMV7M_IRQ_OF_VECTOR( vector ), priority );
  } else if ( vector >= ARMV7M_VECTOR_MEM_MANAGE ) {
    _ARMV7M_SCB->shpr [vector - 4] = (uint8_t) priority;
  }
}

#endif /* ARM_MULTILIB_ARCH_V7M */