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/* set_vector
*
* This routine installs an interrupt vector on the SPARC simulator.
*
* INPUT PARAMETERS:
* handler - interrupt handler entry point
* vector - vector number
* type - 0 indicates raw hardware connect
* 1 indicates RTEMS interrupt connect
*
* OUTPUT PARAMETERS: NONE
*
* RETURNS:
* address of previous interrupt handler
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* Ported to LEON implementation of the SPARC by On-Line Applications
* Research Corporation (OAR) under contract to the European Space
* Agency (ESA).
*
* LEON modifications of respective RTEMS file: COPYRIGHT (c) 1995.
* European Space Agency.
*
* $Id$
*/
#include <bsp.h>
rtems_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 */
)
{
rtems_isr_entry previous_isr;
unsigned32 real_trap;
unsigned32 source;
if ( type )
rtems_interrupt_catch( handler, vector, &previous_isr );
else
_CPU_ISR_install_raw_handler( vector, handler, (void *)&previous_isr );
real_trap = SPARC_REAL_TRAP_NUMBER( vector );
if ( LEON_INT_TRAP( real_trap ) ) {
source = LEON_TRAP_SOURCE( real_trap );
LEON_Clear_interrupt( source );
LEON_Unmask_interrupt( source );
}
return previous_isr;
}
/* LEON specific power-down function */
void _CPU_Thread_Idle_body( void )
{
while (1) {
LEON_REG.Power_Down = 0; /* value is irrelevant */
}
}
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