source: rtems/c/src/lib/libbsp/i386/go32/startup/setvec.c @ 84ff7c23

4.104.114.84.95
Last change on this file since 84ff7c23 was 03f2154e, checked in by Joel Sherrill <joel.sherrill@…>, on 04/22/97 at 17:20:27

headers updated to reflect new style copyright notice as part
of switching to the modified GNU GPL.

  • Property mode set to 100644
File size: 1.2 KB
RevLine 
[637df35]1/*  set_vector
2 *
3 *  This routine installs an interrupt vector under go32.
4 *
5 *  INPUT:
6 *    handler - interrupt handler entry point
7 *    vector  - vector number
8 *    type    - 0 indicates raw hardware connect
9 *              1 indicates RTEMS interrupt connect
10 *
11 *  RETURNS:
12 *    address of previous interrupt handler
13 *
[03f2154e]14 *  COPYRIGHT (c) 1989-1997.
[637df35]15 *  On-Line Applications Research Corporation (OAR).
[03f2154e]16 *  Copyright assigned to U.S. Government, 1994.
[637df35]17 *
[03f2154e]18 *  The license and distribution terms for this file may in
19 *  the file LICENSE in this distribution or at
20 *  http://www.OARcorp.com/rtems/license.html.
[637df35]21 *
22 *  $Id$
23 */
24
25#include <rtems.h>
26#include <bsp.h>
27
28#include <dpmi.h>
29#include <go32.h>
30
[4ca27cf]31i386_isr_entry set_vector(                      /* returns old vector */
[637df35]32  rtems_isr_entry     handler,                  /* isr routine        */
33  rtems_vector_number vector,                   /* vector number      */
34  int                 type                      /* RTEMS or RAW intr  */
35)
36{
[4ca27cf]37  i386_isr_entry   previous_isr;
[637df35]38
39  if ( type )  {
[9e738b65]40     rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr);
[637df35]41  } else {
[9e738b65]42     _CPU_ISR_install_raw_handler( vector, handler, (proc_ptr *)&previous_isr);
[637df35]43  }
44  return previous_isr;
45}
46
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