isr.h

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/*
 *  COPYRIGHT (c) 1989-2012.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#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 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 );

bool _ISR_Is_in_progress( void );

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */