Subversion Repositories openrisc

/*

 *

 *  This routine installs an interrupt vector using the basic

 *  RTEMS mechanisms.  This implementation should be suitable for

 *  most m68k based boards.  However, if the board has an unusual

 *  interrupt controller or most somehow manipulate board specific

 *  hardware to enable/disable, mask, prioritize, etc an interrupt

 *  source, then this routine should be customized to support that.

 *

 *  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.OARcorp.com/rtems/license.html.

 *

 *  $Id: setvec.c,v 1.2 2001-09-27 12:00:24 chris Exp $

 */

#include <rtems.h>

#include <bsp.h>

m68k_isr_entry set_vector(                      /* returns old vector */

  rtems_isr_entry     handler,                  /* isr routine        */

  rtems_vector_number vector,                   /* vector number      */

  int                 type                      /* RTEMS or RAW intr  */

)

{

  m68k_isr_entry  previous_isr;

  if ( type )

    rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr );

  else {

    _CPU_ISR_install_raw_handler( vector, handler, (void *)&previous_isr );

  }

  return previous_isr;

}