include/sw_isr_table.h

/* sw_isr_table.h - software-managed ISR table */

/*
 * Copyright (c) 2014, Wind River Systems, Inc.
 *
 * 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.
 *
 * 3) Neither the name of Wind River Systems nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * 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 HOLDER 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.
 */

/*
DESCRIPTION
Data types for a software-managed ISR table, with a parameter per-ISR.
 */

#ifndef _SW_ISR_TABLE__H_
#define _SW_ISR_TABLE__H_

#if !defined(_ASMLANGUAGE)
/*
 * Note the order: arg first, then ISR. This allows a table entry to be
 * loaded arg -> r0, isr -> r3 in _isr_wrapper with one ldmia instruction,
 * on ARM Cortex-M (Thumb2).
 */
struct _IsrTableEntry {
	void *arg;
	void (*isr)(void *);
};

typedef struct _IsrTableEntry _IsrTableEntry_t;

extern _IsrTableEntry_t _sw_isr_table[CONFIG_NUM_IRQS];
#endif /* _ASMLANGUAGE */

#endif /* _SW_ISR_TABLE__H_ */