FreeBSD/Linux Kernel Cross Reference
sys/i386ipsc/autoconf.c

     /* 
      * Mach Operating System
      * Copyright (c) 1991 Carnegie Mellon University
      * All Rights Reserved.
      * 
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
      * notice and this permission notice appear in all copies of the
      * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     * 
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     * 
     * Carnegie Mellon requests users of this software to return to
     * 
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     * 
     * any improvements or extensions that they make and grant Carnegie Mellon
     * the rights to redistribute these changes.
     */
    /*
     * Copyright 1988, 1989, 1990, 1991 by Intel Corporation,
     * Santa Clara, California.
     * 
     *                          All Rights Reserved
     * 
     * Permission to use, copy, modify, and distribute this software and its
     * documentation for any purpose and without fee is hereby granted,
     * provided that the above copyright notice appears in all copies and that
     * both the copyright notice and this permission notice appear in
     * supporting documentation, and that the name of Intel not be used in
     * advertising or publicity pertaining to distribution of the software
     * without specific, written prior permission.
     * 
     * INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING
     * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
     * SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL
     * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
     * PROFITS, WHETHER IN ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS
     * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
     * THIS SOFTWARE.
     */
    /*
     * HISTORY
     * $Log:        autoconf.c,v $
     * Revision 2.7  92/04/01  19:32:38  rpd
     *      Renamed gets to safe_gets.
     *      [92/03/31            rpd]
     * 
     * Revision 2.6  91/08/03  18:17:47  jsb
     *      Eliminated call to ask_bootstrap_server.
     *      Only call ask_root_device if RB_ASKNAME.
     *      Split dcm_init call into dcm_init_{send,recv}.
     *      [91/07/25  18:38:51  jsb]
     * 
     * Revision 2.5  91/07/01  08:24:08  jsb
     *      Call ask_bootstrap_server.
     *      [91/06/29  16:39:11  jsb]
     * 
     * Revision 2.4  91/06/18  20:50:00  jsb
     *      New copyright from Intel.
     *      [91/06/18  20:05:31  jsb]
     * 
     * Revision 2.3  91/06/06  17:04:20  jsb
     *      Added implementation and call to ask_root_device.
     *      [91/05/13  16:59:05  jsb]
     * 
     * Revision 2.2.1.1  91/01/07  11:03:51  jsb
     *      Added implementation and call to ask_root_device.
     * 
     * Revision 2.2  90/12/04  14:46:57  jsb
     *      First checkin.
     *      [90/12/04  10:55:12  jsb]
     * 
     */ 
    
    #include <sys/types.h>
    #include <sys/reboot.h>
    #include <i386at/atbus.h>
    
    #include <cnp.h>
    #if NCNP > 0
    extern  struct  isa_dev cnpinfo[];
    #endif NCNP
    
    /* overrides hard-coded root_name used by get_root_device() */
    ask_root_device()
    {
            static char root[64];
            extern char *root_name;
    
            printf("root device? [%s] ", root_name);
            safe_gets(root, sizeof(root));
            if (root[0] != '\0') {
                   root_name = root;
           }
   }
   
   probeio()
   {
           int     i;
           struct  isa_dev *dev_p;
           struct  isa_driver *drv_p;
   
           if (boothowto & RB_ASKNAME) {
                   ask_root_device();
           }
   #if NCNP > 0
           for (i = 0; i < NCNP; i++) {
                   dev_p = &cnpinfo[i];
                   drv_p = dev_p->dev_driver;
   
                   if (drv_p->driver_probe(dev_p->dev_addr, i)) {
                           printf("cnp%d at 0x%x\n", i, dev_p->dev_addr);
                           dev_p->dev_alive = 1;
                           drv_p->driver_attach(dev_p);
                   }
           }
   #endif NCNP
   
           /*
            * Initialize the DCM routing hardware.
            */
           dcm_init_send();
           dcm_init_recv();
   }

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