diff options
Diffstat (limited to 'c/src/lib/libbsp/a29k/portsw/startup/setvec.c')
| -rw-r--r-- | c/src/lib/libbsp/a29k/portsw/startup/setvec.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/a29k/portsw/startup/setvec.c b/c/src/lib/libbsp/a29k/portsw/startup/setvec.c new file mode 100644 index 0000000000..d0246590df --- /dev/null +++ b/c/src/lib/libbsp/a29k/portsw/startup/setvec.c @@ -0,0 +1,49 @@ +/* set_vector + * + * This routine installs an interrupt vector on the target Board/CPU. + * This routine is allowed to be as board dependent as necessary. + * + * 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) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems.h> +#include <bsp.h> + +#ifndef lint +static char _sccsid[] = "@(#)setvec.c 06/30/96 1.2\n"; +#endif + +no_cpu_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 */ +) +{ + no_cpu_isr_entry previous_isr; + + if ( type ) + rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); + else { + /* XXX: install non-RTEMS ISR as "raw" interupt */ + _settrap( vector, handler ); + } + return previous_isr; +} + |