1/* $NetBSD: chdsk.c,v 1.3 2011/04/07 13:38:21 isaki 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 36int 37changedisk_hook(struct open_file *f) 38{ 39 40 if (strcmp(f->f_dev->dv_name, "fd") == 0) { 41 struct fd_softc *sc = f->f_devdata; 42 int drive[2]; 43 44 drive[0] = 0x90 << 8; 45 drive[1] = 0x91 << 8; 46 47 /* unlock current unit */ 48 IOCS_B_DRVCHK(drive[sc->unit], 3); 49 /* eject current */ 50 IOCS_B_DRVCHK(drive[sc->unit], 1); 51 awaitkey_1sec(); 52 /* prompt both */ 53 IOCS_B_DRVCHK(drive[0], 4); 54 IOCS_B_DRVCHK(drive[1], 4); 55 /* poll for medium */ 56 for (;;) { 57 if ((IOCS_B_DRVCHK(drive[0], 0) & 2)) { 58 sc->unit = 0; 59 break; 60 } 61 if ((IOCS_B_DRVCHK(drive[1], 0) & 2)) { 62 sc->unit = 1; 63 break; 64 } 65 awaitkey_1sec(); 66 } 67 /* prompt off */ 68 IOCS_B_DRVCHK(drive[0], 5); 69 IOCS_B_DRVCHK(drive[1], 5); 70 /* lock new unit */ 71 IOCS_B_DRVCHK(drive[sc->unit], 2); 72 } 73 74 return 0; 75} 76