diff options
Diffstat (limited to 'c/src/lib/libbsp/unix/posix/startup/setvec.c')
| -rw-r--r-- | c/src/lib/libbsp/unix/posix/startup/setvec.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/unix/posix/startup/setvec.c b/c/src/lib/libbsp/unix/posix/startup/setvec.c new file mode 100644 index 0000000000..fef64752d5 --- /dev/null +++ b/c/src/lib/libbsp/unix/posix/startup/setvec.c @@ -0,0 +1,60 @@ +/* set_vector + * + * This routine installs an interrupt vector on UNIX. + * + * INPUT: + * handler - interrupt handler entry point + * vector - vector number + * type - 0 indicates raw hardware connect + * 1 indicates RTEMS interrupt connect + * + * NOTE 'type' is ignored on hppa; all interrupts are owned by RTEMS + * + * 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> + +/* + * Install an interrupt handler in the right place + * given its vector number from cpu/hppa.h + * There are 2 places an interrupt can be installed + * _ISR_Vector_table + * bsp interrupt XXX: nyi + * + * We decide which based on the vector number + */ + +unix_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 rtems_isr_ptr; + proc_ptr raw_isr_ptr; + + if ( type ) { + rtems_interrupt_catch( handler, vector, &rtems_isr_ptr ); + return (unix_isr_entry) rtems_isr_ptr; + } else { + _CPU_ISR_install_vector( vector, (proc_ptr) handler, &raw_isr_ptr ); + return (unix_isr_entry) raw_isr_ptr; + } + +} + + |