sys/arch/sbmips/stand/common/bootxx.c

   1 /* $NetBSD: bootxx.c,v 1.1.8.3 2004/09/21 13:21:13 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Copyright (c) 1992, 1993
  35  *      The Regents of the University of California.  All rights reserved.
  36  *
  37  * This code is derived from software contributed to Berkeley by
  38  * Ralph Campbell.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  * 1. Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  * 2. Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in the
  47  *    documentation and/or other materials provided with the distribution.
  48  * 3. Neither the name of the University nor the names of its contributors
  49  *    may be used to endorse or promote products derived from this software
  50  *    without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  62  * SUCH DAMAGE.
  63  *
  64  *      @(#)boot.c      8.1 (Berkeley) 6/10/93
  65  */
  66
  67 #include <lib/libsa/stand.h>
  68 #include <lib/libkern/libkern.h>
  69
  70 #include <sys/param.h>
  71 #include <sys/exec.h>
  72 #include <sys/exec_ecoff.h>
  73
  74 #include "../common/cfe_api.h"
  75
  76 #include "../common/common.h"
  77
  78 int main(long fwhandle,long evector,long fwentry,long fwseal);
  79
  80 int
  81 main(long fwhandle,long evector,long fwentry,long fwseal)
  82 {
  83         struct stat sb;
  84         const char *reason;
  85         int fd;
  86
  87         /* Init prom callback vector. */
  88         cfe_init(fwhandle,fwentry);
  89         init_console();
  90
  91         putstr("\nNetBSD/sbmips " NETBSD_VERS " " BOOTXX_FS_NAME " Primary Bootstrap\n");
  92
  93         if (!booted_dev_open()) {
  94                 reason = "Can't open boot device.";
  95                 goto fail;
  96         }
  97
  98         fd = open("boot", 0);
  99         if (fd == -1 || (fstat(fd, &sb) == -1)) {
 100                 reason = "Can't open /boot.";
 101                 goto failclose;
 102         }
 103
 104         if (sb.st_size > SECONDARY_MAX_LOAD) {
 105                 reason = "/boot too large.";
 106                 goto failclose;
 107         }
 108
 109         if (read(fd, (void*)SECONDARY_LOAD_ADDRESS, sb.st_size) != sb.st_size) {
 110                 reason = "/boot load failed.";
 111                 goto failclose;
 112         }
 113
 114         cfe_flushcache(0);
 115
 116         putstr("Jumping to entry point...\n");
 117         (*((void(*)(long,long,long))SECONDARY_LOAD_ADDRESS))(fwhandle,booted_dev_fd,fwentry);
 118
 119         reason = "Secondary boot returned!";
 120 failclose:
 121         booted_dev_close();
 122 fail:
 123         putstr(reason);
 124         putstr("\n\nPRIMARY BOOTSTRAP FAILED!\n");
 125
 126         return 1;
 127 }