diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c b/c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c new file mode 100644 index 0000000000..73752d9b47 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c @@ -0,0 +1,58 @@ +/* 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 + * + * Author: Andrew Bray <andy@i-cubed.demon.co.uk> + * + * COPYRIGHT (c) 1995 by i-cubed ltd. + * + * To anyone who acknowledges that this file is provided "AS IS" + * without any express or implied warranty: + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of i-cubed limited not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * i-cubed limited makes no representations about the suitability + * of this software for any purpose. + * + * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/setvec.c: + * + * 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 + */ + +#include <rtems.h> +#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; + + rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); + + return previous_isr; +} + |