From f198c63d6a1d172aef422353e42b41f8cb128275 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Fri, 6 Sep 1996 18:11:41 +0000 Subject: new file for MIPS port by Craig Lebakken (lebakken@minn.net) and Derrick Ostertag (ostertag@transition.com). --- c/src/lib/libbsp/mips/p4000/startup/setvec.c | 51 ++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 c/src/lib/libbsp/mips/p4000/startup/setvec.c (limited to 'c/src/lib/libbsp/mips/p4000/startup/setvec.c') diff --git a/c/src/lib/libbsp/mips/p4000/startup/setvec.c b/c/src/lib/libbsp/mips/p4000/startup/setvec.c new file mode 100644 index 0000000000..1c6b581296 --- /dev/null +++ b/c/src/lib/libbsp/mips/p4000/startup/setvec.c @@ -0,0 +1,51 @@ +/* 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, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * setvec.c,v 1.2 1995/05/31 16:56:35 joel Exp + */ + +#ifndef lint +static char _sccsid[] = "@(#)setvec.c 04/25/96 1.2\n"; +#endif + +#include +#include + +#include + +mips_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 */ +) +{ + mips_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 */ + rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); + } + return previous_isr; +} + -- cgit v1.2.3