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/* set_vector
*
* This routine installs an interrupt vector on the efi68k.
*
* INPUT:
* handler - interrupt handler entry point
* vector - vector number
* type - 0 indicates raw hardware connect
* 1 indicates RTEMS interrupt connect
*
* RETURNS:
* address of previous interrupt handler
*
* 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.
*
* $Id$
*/
#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 */
)
{
int *p;
m68k_isr_entry previous_isr;
if ( type )
rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr );
else {
p = (int *)(vector*6-12+2+(int)_VBR);
previous_isr = (m68k_isr_entry) *p; /* return old ISR */
*p = (int) handler; /* install new ISR */
}
return previous_isr;
}
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