diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/shared/setvec.c')
| -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..04c99b6981 --- /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) 1989-1997. 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> + +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; +} + |