isr.h

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

 
/*
 *  COPYRIGHT (c) 1989-2012.
 *  On-Line Applications Research Corporation (OAR).
 *
 * 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
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 */
 
#ifndef _RTEMS_SCORE_ISR_H
#define _RTEMS_SCORE_ISR_H
 
#include <rtems/score/isrlevel.h>

 
#ifdef __cplusplus
extern "C" {
#endif

typedef uint32_t   ISR_Vector_number;

typedef void ISR_Handler;
 
#if (CPU_SIMPLE_VECTORED_INTERRUPTS == FALSE)
 
typedef void * ISR_Handler_entry;
 
#else
#if (CPU_ISR_PASSES_FRAME_POINTER == TRUE)
typedef ISR_Handler ( *ISR_Handler_entry )(
                 ISR_Vector_number,
                 CPU_Interrupt_frame *
             );
#else
typedef ISR_Handler ( *ISR_Handler_entry )(
                 ISR_Vector_number
             );
#endif

extern ISR_Handler_entry _ISR_Vector_table[ CPU_INTERRUPT_NUMBER_OF_VECTORS ];
#endif

RTEMS_DECLARE_GLOBAL_SYMBOL( _ISR_Stack_size );

extern const char * const volatile _ISR_Stack_size_object;

extern char _ISR_Stack_area_begin[];

extern const char _ISR_Stack_area_end[];

void _ISR_Handler_initialization ( void );

#define _ISR_Install_vector( _vector, _new_handler, _old_handler ) \
  _CPU_ISR_install_vector( _vector, _new_handler, _old_handler )

void _ISR_Handler( void );
 
#ifdef __cplusplus
}
#endif

 
#endif
/* end of include file */