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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1997-04-15 17:28:26 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1997-04-15 17:28:26 +0000 |
commit | ecc4594a2ecec637ff609069d5987e7b4f2cee67 (patch) | |
tree | ab0d32f5fcec00baeb51d471514eb5dd40d7e310 /c/src/lib/libbsp/m68k/shared | |
parent | replaced linking of source from mvme147 drivers with use of vpath to (diff) | |
download | rtems-ecc4594a2ecec637ff609069d5987e7b4f2cee67.tar.bz2 |
Removed many BSPs' copy of setvec.c and let them share the same
implementation as all m68k BSPs.
Diffstat (limited to 'c/src/lib/libbsp/m68k/shared')
-rw-r--r-- | c/src/lib/libbsp/m68k/shared/setvec.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/shared/setvec.c b/c/src/lib/libbsp/m68k/shared/setvec.c new file mode 100644 index 0000000000..7e0e3cdf68 --- /dev/null +++ b/c/src/lib/libbsp/m68k/shared/setvec.c @@ -0,0 +1,39 @@ +/* + * + * This routine installs an interrupt vector using the basic + * RTEMS mechanisms. This implementation should be suitable for + * most m68k based boards. However, if the board has an unusual + * interrupt controller or most somehow manipulate board specific + * hardware to enable/disable, mask, prioritize, etc an interrupt + * source, then this routine should be customized to support that. + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997. + * 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> + +m68k_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 */ +) +{ + m68k_isr_entry previous_isr; + + if ( type ) + rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); + else { + _CPU_ISR_install_raw_handler( vector, handler, (void *)&previous_isr ); + } + return previous_isr; +} + |