sys/arch/x68k/stand/libsa/chdsk.c

   1 /*      $NetBSD: chdsk.c,v 1.1 2001/09/28 15:19:33 minoura Exp $        */
   2
   3 /*
   4  * Copyright (c) 2001 MINOURA Makoto.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <lib/libsa/stand.h>
  29 #include <lib/libkern/libkern.h>
  30
  31 #include "libx68k.h"
  32 #include "iocs.h"
  33 #include "fdvar.h"
  34 #include "consio.h"
  35
  36 int
  37 changedisk_hook(struct open_file *f)
  38 {
  39         if (strcmp(f->f_dev->dv_name, "fd") == 0) {
  40                 struct fd_softc *sc = f->f_devdata;
  41                 int unit = (0x90 + sc->unit) << 8;
  42
  43                 /* unlock */
  44                 IOCS_B_DRVCHK(unit, 3);
  45                 /* eject */
  46                 IOCS_B_DRVCHK(unit, 1);
  47                 awaitkey_1sec();
  48                 /* prompt */
  49                 IOCS_B_DRVCHK(unit, 4);
  50                 /* poll for medium */
  51                 while ((IOCS_B_DRVCHK(unit, 0) & 2) == 0)
  52                         awaitkey_1sec();
  53                 /* lock */
  54                 IOCS_B_DRVCHK(unit, 2);
  55         }
  56
  57         return 0;
  58 }