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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-09-18 21:13:10 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-09-18 21:13:10 +0000 |
commit | 0836603ae84d389f3d5e09c92ea83d06ec88cd23 (patch) | |
tree | 42774f9013f8a96e7cf67b9aecb66346c41ff114 /c/src/lib/libbsp/a29k/portsw/startup/setvec.c | |
parent | added cast (diff) | |
download | rtems-0836603ae84d389f3d5e09c92ea83d06ec88cd23.tar.bz2 |
new files submitted by Craig Lebakken (lebakken@minn.net) and Derrick Ostertag
(ostertag@transition.com)
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..6adbc4e72a --- /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, 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. + * + * $Id$ + */ + +#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; +} + |