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/**
* @file
*
* @ingroup RTEMSImplClassic
*
* @brief This source file contains the implementation of
* rtems_interrupt_catch().
*/
/*
* COPYRIGHT (c) 1989-1999.
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/intr.h>
#include <rtems/score/isr.h>
#if (CPU_SIMPLE_VECTORED_INTERRUPTS == TRUE)
rtems_status_code rtems_interrupt_catch(
rtems_isr_entry new_isr_handler,
rtems_vector_number vector,
rtems_isr_entry *old_isr_handler
)
{
if ( vector > CPU_INTERRUPT_MAXIMUM_VECTOR_NUMBER )
return RTEMS_INVALID_NUMBER;
if ( new_isr_handler == NULL )
return RTEMS_INVALID_ADDRESS;
if ( old_isr_handler == NULL )
return RTEMS_INVALID_ADDRESS;
_ISR_Install_vector( vector, new_isr_handler, old_isr_handler );
return RTEMS_SUCCESSFUL;
}
#endif
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