1 /* $NetBSD: bootxx.c,v 1.8 2005/12/11 12:16:20 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 <machine/autoconf.h> 75 #include <machine/prom.h> 76 #include <machine/rpb.h> 77 78 #include <machine/pte.h> 79 80 #include "../common/common.h" 81 82 void main(void); 83 84 void 85 main(void) 86 { 87 struct stat sb; 88 const char *reason; 89 int fd; 90 91 /* Init prom callback vector. */ 92 init_prom_calls(); 93 94 putstr("\nNetBSD/alpha " NETBSD_VERS " " BOOTXX_FS_NAME " Primary Bootstrap\n"); 95 96 if (!booted_dev_open()) { 97 reason = "Can't open boot device."; 98 goto fail; 99 } 100 101 fd = open("boot", 0); 102 if (fd == -1 || (fstat(fd, &sb) == -1)) { 103 reason = "Can't open /boot."; 104 goto failclose; 105 } 106 107 if (sb.st_size > SECONDARY_MAX_LOAD) { 108 reason = "/boot too large."; 109 goto failclose; 110 } 111 112 if (read(fd, (void*)SECONDARY_LOAD_ADDRESS, sb.st_size) != sb.st_size) { 113 reason = "/boot load failed."; 114 goto failclose; 115 } 116 117 putstr("Jumping to entry point...\n"); 118 (*((void(*)(int))SECONDARY_LOAD_ADDRESS))(booted_dev_fd); 119 120 reason = "Secondary boot returned!"; 121 failclose: 122 booted_dev_close(); 123 fail: 124 putstr(reason); 125 putstr("\n\nPRIMARY BOOTSTRAP FAILED!\n"); 126 } 127