348 lines
9.8 KiB
C
348 lines
9.8 KiB
C
/* $NetBSD: conf.c,v 1.62 2001/03/21 22:25:53 lukem Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)conf.c 7.9 (Berkeley) 5/28/91
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*/
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#include "opt_compat_svr4.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/conf.h>
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#include <sys/vnode.h>
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#include <dev/cons.h>
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#include <machine/conf.h>
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#ifdef BANKEDDEVPAGER
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#include <sys/bankeddev.h>
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#endif
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#include "vnd.h"
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#include "sd.h"
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#include "cd.h"
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#include "st.h"
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#include "fd.h"
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#include "ccd.h"
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#include "raid.h"
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#include "wd.h"
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#include "ss.h"
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#include "ch.h"
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#include "uk.h"
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#include "md.h"
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bdev_decl(wd);
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struct bdevsw bdevsw[] =
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{
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bdev_notdef(), /* 0 */
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bdev_notdef(), /* 1 */
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bdev_disk_init(NFD,fd), /* 2: floppy disk */
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bdev_swap_init(1,sw), /* 3: swap pseudo-device */
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bdev_disk_init(NSD,sd), /* 4: SCSI disk */
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bdev_tape_init(NST,st), /* 5: SCSI tape */
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bdev_disk_init(NVND,vnd), /* 6: vnode disk driver */
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bdev_disk_init(NCD,cd), /* 7: SCSI CD-ROM */
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bdev_disk_init(NCCD,ccd), /* 8: concatenated disk driver */
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bdev_lkm_dummy(), /* 9 */
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bdev_lkm_dummy(), /* 10 */
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bdev_lkm_dummy(), /* 11 */
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bdev_lkm_dummy(), /* 12 */
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bdev_lkm_dummy(), /* 13 */
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bdev_lkm_dummy(), /* 14 */
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bdev_disk_init(NMD,md), /* 15: memory disk */
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bdev_disk_init(NRAID,raid), /* 16: RAIDframe disk driver */
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bdev_disk_init(NWD,wd), /* 17: IDE disk */
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};
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int nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]);
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#include "pty.h"
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#include "grf.h"
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#include "par.h"
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#include "ser.h"
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#include "msc.h"
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#include "ite.h"
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#include "kbd.h"
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#include "ms.h"
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#include "view.h"
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#include "mfcs.h"
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#include "com.h"
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#include "lpt.h"
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#include "audio.h"
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cdev_decl(audio);
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dev_decl(filedesc,open);
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#include "bpfilter.h"
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#include "tun.h"
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#include "ipfilter.h"
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#include "rnd.h"
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#include "scsibus.h"
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#include "wsdisplay.h"
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#include "amidisplaycc.h"
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#include "wskbd.h"
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cdev_decl(wsdisplay);
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cdev_decl(wskbd);
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cdev_decl(wd);
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#include "i4b.h"
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#include "i4bctl.h"
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#include "i4btrc.h"
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#include "i4brbch.h"
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#include "i4btel.h"
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cdev_decl(i4b);
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cdev_decl(i4bctl);
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cdev_decl(i4btrc);
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cdev_decl(i4brbch);
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cdev_decl(i4btel);
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struct cdevsw cdevsw[] =
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{
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cdev_cn_init(1,cn), /* 0: virtual console */
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cdev_ctty_init(1,ctty), /* 1: controlling terminal */
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cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */
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cdev_swap_init(1,sw), /* 3: /dev/drum (swap pseudo-device) */
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cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */
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cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */
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cdev_log_init(1,log), /* 6: /dev/klog */
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cdev_disk_init(NCCD,ccd), /* 7: concatenated disk driver */
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cdev_disk_init(NSD,sd), /* 8: SCSI disk */
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cdev_disk_init(NCD,cd), /* 9: SCSI CD-ROM */
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cdev_grf_init(NGRF,grf), /* 10: frame buffer */
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cdev_par_init(NPAR,par), /* 11: parallel interface */
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cdev_tty_init(NSER,ser), /* 12: built-in single-port serial */
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cdev_tty_init(NITE,ite), /* 13: console terminal emulator */
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cdev_mouse_init(NKBD,kbd), /* 14: /dev/kbd */
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cdev_mouse_init(NMS,ms), /* 15: /dev/mouse0 /dev/mouse1 */
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cdev_view_init(NVIEW,view), /* 16: /dev/view00 /dev/view01 ... */
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cdev_tty_init(NMFCS,mfcs), /* 17: MultiFaceCard III serial */
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cdev_disk_init(NFD,fd), /* 18: floppy disk */
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cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */
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cdev_tape_init(NST,st), /* 20: SCSI tape */
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cdev_fd_init(1,filedesc), /* 21: file descriptor pseudo-dev */
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cdev_bpftun_init(NBPFILTER,bpf),/* 22: Berkeley packet filter */
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cdev_bpftun_init(NTUN,tun), /* 23: network tunnel */
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cdev_lkm_init(NLKM,lkm), /* 24: loadable module driver */
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cdev_lkm_dummy(), /* 25 */
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cdev_lkm_dummy(), /* 26 */
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cdev_lkm_dummy(), /* 27 */
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cdev_lkm_dummy(), /* 28 */
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cdev_lkm_dummy(), /* 29 */
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cdev_lkm_dummy(), /* 30 */
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cdev_tty_init(NMSC,msc), /* 31: A2232 MSC Multiport serial */
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cdev_tty_init(NCOM,com), /* 32: com ports */
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cdev_lpt_init(NLPT,lpt), /* 33: lpt-style parallel ports */
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cdev_lkm_dummy(), /* 34 */
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cdev_lkm_dummy(), /* 35 */
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cdev_lkm_dummy(), /* 36 */
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cdev_scanner_init(NSS,ss), /* 37: SCSI scanner */
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cdev_ch_init(NCH,ch), /* 38: SCSI autochanger */
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cdev_uk_init(NUK,uk), /* 39: SCSI unknown */
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cdev_ipf_init(NIPFILTER,ipl), /* 40: ip-filter device */
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cdev_audio_init(NAUDIO,audio), /* 41: cc audio interface */
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cdev_rnd_init(NRND,rnd), /* 42: random source pseudo-device */
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cdev_disk_init(NMD,md), /* 43: memory disk */
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cdev_scsibus_init(NSCSIBUS,scsibus), /* 44: SCSI bus */
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cdev_i4b_init(NI4B, i4b), /* 45: i4b main device */
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cdev_i4bctl_init(NI4BCTL, i4bctl), /* 46: i4b control device */
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cdev_i4brbch_init(NI4BRBCH, i4brbch), /* 47: i4b raw b-channel */
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cdev_i4btrc_init(NI4BTRC, i4btrc), /* 48: i4b trace device */
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cdev_i4btel_init(NI4BTEL, i4btel), /* 49: i4b phone device */
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cdev_disk_init(NRAID,raid), /* 50: RAIDframe disk driver */
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cdev_svr4_net_init(NSVR4_NET,svr4_net), /* 51: svr4 net pseudo-device */
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cdev_disk_init(NWD,wd), /* 52: IDE disk */
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cdev_wsdisplay_init(NWSDISPLAY,
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wsdisplay), /* 53: display */
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cdev_mouse_init(NWSKBD,wskbd), /* 54: keyboard */
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};
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int nchrdev = sizeof(cdevsw) / sizeof(cdevsw[0]);
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#ifdef BANKEDDEVPAGER
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extern int grfbanked_get __P((int, int, int));
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extern int grfbanked_set __P((int, int));
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extern int grfbanked_cur __P((int));
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struct bankeddevsw bankeddevsw[sizeof (cdevsw) / sizeof (cdevsw[0])] = {
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{ 0, 0, 0 }, /* 0 */
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{ 0, 0, 0 }, /* 1 */
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{ 0, 0, 0 }, /* 2 */
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{ 0, 0, 0 }, /* 3 */
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{ 0, 0, 0 }, /* 4 */
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{ 0, 0, 0 }, /* 5 */
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{ 0, 0, 0 }, /* 6 */
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{ 0, 0, 0 }, /* 7 */
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{ 0, 0, 0 }, /* 8 */
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{ 0, 0, 0 }, /* 9 */
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{ grfbanked_get, grfbanked_cur, grfbanked_set }, /* 10 */
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/* rest { 0, 0, 0 } */
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};
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#endif
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int mem_no = 2; /* major device number of memory special file */
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/*
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* Swapdev is a fake device implemented
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* in sw.c used only internally to get to swstrategy.
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* It cannot be provided to the users, because the
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* swstrategy routine munches the b_dev and b_blkno entries
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* before calling the appropriate driver. This would horribly
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* confuse, e.g. the hashing routines. Instead, /dev/drum is
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* provided as a character (raw) device.
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*/
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dev_t swapdev = makedev(3, 0);
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/*
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* Returns true if dev is /dev/mem or /dev/kmem.
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*/
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int
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iskmemdev(dev)
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dev_t dev;
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{
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return (major(dev) == mem_no && minor(dev) < 2);
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}
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/*
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* Returns true if dev is /dev/zero.
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*/
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int
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iszerodev(dev)
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dev_t dev;
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{
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return (major(dev) == mem_no && minor(dev) == 12);
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}
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static int chrtoblktab[] = {
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/* XXXX This needs to be dynamic for LKMs. */
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/*VCHR*/ /*VBLK*/
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/* 0 */ NODEV,
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/* 1 */ NODEV,
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/* 2 */ NODEV,
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/* 3 */ NODEV,
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/* 4 */ NODEV,
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/* 5 */ NODEV,
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/* 6 */ NODEV,
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/* 7 */ 8, /* ccd */
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/* 8 */ 4, /* sd */
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/* 9 */ 7, /* cd */
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/* 10 */ NODEV,
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/* 11 */ NODEV,
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/* 12 */ NODEV,
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/* 13 */ NODEV,
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/* 14 */ NODEV,
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/* 15 */ NODEV,
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/* 16 */ NODEV,
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/* 17 */ NODEV,
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/* 18 */ 2, /* fd */
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/* 19 */ 6, /* vnd */
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/* 20 */ 5, /* st */
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/* 21 */ NODEV,
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/* 22 */ NODEV,
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/* 23 */ NODEV,
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/* 24 */ NODEV,
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/* 25 */ NODEV,
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/* 26 */ NODEV,
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/* 27 */ NODEV,
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/* 28 */ NODEV,
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/* 29 */ NODEV,
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/* 30 */ NODEV,
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/* 31 */ NODEV,
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/* 32 */ NODEV,
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/* 33 */ NODEV,
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/* 34 */ NODEV,
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/* 35 */ NODEV,
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/* 36 */ NODEV,
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/* 37 */ NODEV,
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/* 38 */ NODEV,
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/* 39 */ NODEV,
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/* 40 */ NODEV,
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/* 41 */ NODEV,
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/* 42 */ NODEV,
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/* 43 */ 15, /* md */
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/* 44 */ NODEV,
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/* 45 */ NODEV,
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/* 46 */ NODEV,
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/* 47 */ NODEV,
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/* 48 */ NODEV,
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/* 49 */ NODEV,
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/* 50 */ 16,
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/* 51 */ NODEV,
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/* 52 */ 17,
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};
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/*
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* Convert a character device number to a block device number.
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*/
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dev_t
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chrtoblk(dev)
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dev_t dev;
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{
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int blkmaj;
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if (major(dev) >= nchrdev)
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return(NODEV);
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blkmaj = chrtoblktab[major(dev)];
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if (blkmaj == NODEV)
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return(NODEV);
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return (makedev(blkmaj, minor(dev)));
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}
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/*
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* This entire table could be autoconfig()ed but that would mean that
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* the kernel's idea of the console would be out of sync with that of
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* the standalone boot. I think it best that they both use the same
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* known algorithm unless we see a pressing need otherwise.
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*/
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cons_decl(ser);
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cons_decl(ite);
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cons_decl(amidisplaycc_);
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struct consdev constab[] = {
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#if NSER > 0
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cons_init(ser),
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#endif
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#if NAMIDISPLAYCC>0
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cons_init(amidisplaycc_),
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#endif
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#if NITE > 0
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cons_init(ite),
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#endif
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{ 0 },
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};
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