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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) 1989-1999.
* 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.
*
* Ported to ERC32 implementation of the SPARC by On-Line Applications
* Research Corporation (OAR) under contract to the European Space
* Agency (ESA).
*
* ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
* European Space Agency.
*/
#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;
if ( type ) {
rtems_interrupt_catch( handler, vector, &previous_isr );
} else {
_CPU_ISR_install_raw_handler(
vector,
(void *)handler,
(void *)&previous_isr
);
}
if ( SPARC_IS_INTERRUPT_TRAP( vector ) ) {
uint32_t source;
source = SPARC_INTERRUPT_TRAP_TO_SOURCE( vector );
ERC32_Clear_interrupt( source );
ERC32_Unmask_interrupt( source );
}
return previous_isr;
}
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