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      1 /* $NetBSD: bootxx.c,v 1.3 2005/12/11 12:18:51 christos 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 }
    128