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 | 47 |
1 files changed, 47 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..6b07132450 --- /dev/null +++ b/c/src/lib/libbsp/unix/posix/startup/setvec.c @@ -0,0 +1,47 @@ +/* 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 + * + * RETURNS: + * address of previous interrupt handler + * + * COPYRIGHT (c) 1989-1997. + * 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 <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 rtems_isr_ptr = 0; + proc_ptr raw_isr_ptr; + + if ( type ) { + rtems_interrupt_catch( handler, vector, &rtems_isr_ptr ); + return rtems_isr_ptr; + } else { + _CPU_ISR_install_vector( vector, (proc_ptr) handler, &raw_isr_ptr ); + return raw_isr_ptr; + } + +} + + |