Moved to /cvsroot/syssrc/sys/arch/arc/arc/conf.c,v
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/* $NetBSD: conf.c,v 1.12 1998/10/10 02:00:56 thorpej Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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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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* from: @(#)conf.c 8.2 (Berkeley) 11/14/93
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*/
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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/proc.h>
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#include <sys/vnode.h>
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#include <sys/tty.h>
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#include <sys/conf.h>
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/*
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* Block devices.
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*/
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#include "vnd.h"
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bdev_decl(vnd);
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bdev_decl(sw);
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#include "sd.h"
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bdev_decl(sd);
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#include "cd.h"
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bdev_decl(cd);
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#include "fdc.h"
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#define fdopen Fdopen
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bdev_decl(fd);
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#undef fdopen
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struct bdevsw bdevsw[] =
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{
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bdev_disk_init(NSD,sd), /* 0: SCSI disk */
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bdev_swap_init(1,sw), /* 1: should be here swap pseudo-dev */
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bdev_disk_init(NVND,vnd), /* 2: vnode disk driver */
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bdev_disk_init(NCD,cd), /* 3: SCSI CD-ROM */
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bdev_notdef(), /* 4: */
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bdev_notdef(), /* 5: */
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bdev_notdef(), /* 6: */
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#define fdopen Fdopen
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bdev_disk_init(NFDC,fd), /* 7: Floppy disk driver */
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#undef fdopen
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bdev_notdef(), /* 8: */
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bdev_notdef(), /* 9: */
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bdev_notdef(), /* 10: */
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bdev_notdef(), /* 11: */
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bdev_notdef(), /* 12: */
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bdev_notdef(), /* 13: */
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bdev_notdef(), /* 14: */
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bdev_notdef(), /* 15: */
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};
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int nblkdev = sizeof (bdevsw) / sizeof (bdevsw[0]);
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/*
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* Character devices.
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*/
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/* open, close, read, write, ioctl, tty, mmap */
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#define cdev_pc_init(c,n) { \
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dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
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dev_init(c,n,write), dev_init(c,n,ioctl), dev_init(c,n,stop), \
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dev_init(c,n,tty), ttpoll, dev_init(c,n,mmap), D_TTY }
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/* open, close, write, ioctl */
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#define cdev_lpt_init(c,n) { \
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dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
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dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
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0, seltrue, (dev_type_mmap((*))) enodev }
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/* open, close, write, ioctl */
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#define cdev_spkr_init(c,n) { \
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dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
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dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
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0, seltrue, (dev_type_mmap((*))) enodev }
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cdev_decl(cn);
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cdev_decl(sw);
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cdev_decl(ctty);
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#define mmread mmrw
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#define mmwrite mmrw
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dev_type_read(mmrw);
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cdev_decl(mm);
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#include "pty.h"
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#define ptstty ptytty
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#define ptsioctl ptyioctl
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cdev_decl(pts);
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#define ptctty ptytty
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#define ptcioctl ptyioctl
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cdev_decl(ptc);
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cdev_decl(log);
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cdev_decl(fd);
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#include "st.h"
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cdev_decl(st);
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#include "fdc.h"
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#define fdopen Fdopen
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bdev_decl(fd);
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#undef fdopen
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cdev_decl(vnd);
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#include "bpfilter.h"
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cdev_decl(bpf);
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#include "pcom.h"
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cdev_decl(com);
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#include "lpt.h"
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cdev_decl(lpt);
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cdev_decl(sd);
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#include "pc.h"
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cdev_decl(pc);
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cdev_decl(pms);
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cdev_decl(cd);
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dev_decl(filedesc,open);
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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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cdev_decl(scsibus);
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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_swap_init(1,sw), /* 1: /dev/drum (swap pseudo-device) */
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cdev_ctty_init(1,ctty), /* 2: controlling terminal */
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cdev_mm_init(1,mm), /* 3: /dev/{null,mem,kmem,...} */
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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_fd_init(1,filedesc), /* 7: file descriptor pseudo-dev */
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cdev_disk_init(NCD,cd), /* 8: SCSI CD */
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cdev_disk_init(NSD,sd), /* 9: SCSI disk */
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cdev_tape_init(NST,st), /* 10: SCSI tape */
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cdev_disk_init(NVND,vnd), /* 11: vnode disk */
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cdev_bpftun_init(NBPFILTER,bpf),/* 12: berkeley packet filter */
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#define fdopen Fdopen
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cdev_disk_init(NFDC,fd), /* 13: Floppy disk */
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#undef fdopen
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cdev_pc_init(1,pc), /* 14: builtin pc style console dev */
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cdev_mouse_init(1,pms), /* 15: builtin PS2 style mouse */
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cdev_lpt_init(NLPT,lpt), /* 16: lpt paralell printer interface */
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cdev_tty_init(NPCOM,com), /* 17: com 16C450 serial interface */
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cdev_notdef(), /* 18: */
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cdev_notdef(), /* 19: */
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cdev_tty_init(NPTY,pts), /* 20: pseudo-tty slave */
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cdev_ptc_init(NPTY,ptc), /* 21: pseudo-tty master */
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cdev_notdef(), /* 22: */
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cdev_notdef(), /* 23: */
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cdev_notdef(), /* 24: */
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cdev_notdef(), /* 25: */
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cdev_notdef(), /* 26: */
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cdev_notdef(), /* 27: */
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cdev_notdef(), /* 28: */
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cdev_notdef(), /* 29: */
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cdev_notdef(), /* 30: */
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cdev_ipf_init(NIPFILTER,ipl), /* 31: ip-filter device */
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cdev_rnd_init(NRND,rnd), /* 32: random source pseudo-device */
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cdev_scsibus_init(NSCSIBUS,scsibus), /* 33: SCSI bus */
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};
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int nchrdev = sizeof (cdevsw) / sizeof (cdevsw[0]);
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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(1, 0);
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/*
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* Routine that identifies /dev/mem and /dev/kmem.
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*
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* A minimal stub routine can always return 0.
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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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#ifdef COMPAT_BSD44
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if (major(dev) == 2 && (minor(dev) == 0 || minor(dev) == 1))
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#else
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if (major(dev) == 3 && (minor(dev) == 0 || minor(dev) == 1))
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#endif
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return (1);
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return (0);
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}
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/*
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* Returns true if def 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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#ifdef COMPAT_BSD44
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return (major(dev) == 2 && minor(dev) == 12);
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#else
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return (major(dev) == 3 && minor(dev) == 12);
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#endif
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}
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#define MAXDEV 57
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static int chrtoblktbl[MAXDEV] = {
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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 */ NODEV,
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/* 8 */ NODEV,
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/* 9 */ 0,
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/* 10 */ NODEV,
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/* 11 */ 2,
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/* 12 */ NODEV,
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/* 13 */ 7,
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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 */ NODEV,
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/* 19 */ NODEV,
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/* 20 */ NODEV,
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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 */ NODEV,
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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 */ NODEV,
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/* 51 */ NODEV,
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/* 52 */ NODEV,
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/* 53 */ NODEV,
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/* 54 */ NODEV,
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/* 55 */ NODEV,
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/* 56 */ NODEV,
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};
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/*
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* Routine to convert from character to block device number.
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*
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* A minimal stub routine can always return NODEV.
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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) >= MAXDEV || (blkmaj = chrtoblktbl[major(dev)]) == 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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#include <dev/cons.h>
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cons_decl(pc);
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cons_decl(com);
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struct consdev constab[] = {
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#if NPC + NVT > 0
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cons_init(pc),
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#endif
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#if NPCOM > 0
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cons_init(com),
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#endif
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{ 0 },
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};
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