/** * @file * @ingroup sparc_leon3 * @brief Install an interrupt vector on SPARC */ /* 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). * * 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 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. */ #include 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, handler, (void *)&previous_isr ); if ( SPARC_IS_INTERRUPT_TRAP( vector ) ) { uint32_t source; source = SPARC_INTERRUPT_TRAP_TO_SOURCE( vector ); LEON_Clear_interrupt( source ); LEON_Unmask_interrupt( source ); } return previous_isr; }