/* $NetBSD: chdsk.c,v 1.4 2011/04/11 14:00:02 tsutsui Exp $ */ /* * Copyright (c) 2001 MINOURA Makoto. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <lib/libsa/stand.h> #include <lib/libkern/libkern.h> #include "libx68k.h" #include "iocs.h" #include "fdvar.h" #include "consio.h" int changedisk_hook(struct open_file *f) { if (strcmp(f->f_dev->dv_name, "fd") == 0) { struct fd_softc *sc = f->f_devdata; int drive[2]; drive[0] = 0x90 << 8; drive[1] = 0x91 << 8; /* unlock current unit */ IOCS_B_DRVCHK(drive[sc->unit], 3); /* eject current */ IOCS_B_DRVCHK(drive[sc->unit], 1); awaitkey_1sec(); /* prompt both */ IOCS_B_DRVCHK(drive[0], 4); IOCS_B_DRVCHK(drive[1], 4); /* poll for medium */ for (;;) { if ((IOCS_B_DRVCHK(drive[0], 0) & 2)) { sc->unit = 0; break; } if ((IOCS_B_DRVCHK(drive[1], 0) & 2)) { sc->unit = 1; break; } awaitkey_1sec(); } /* prompt off */ IOCS_B_DRVCHK(drive[0], 5); IOCS_B_DRVCHK(drive[1], 5); /* lock new unit */ IOCS_B_DRVCHK(drive[sc->unit], 2); } return 0; } |