boot.c revision 1.2.6.2
1 1.2.6.2 tls /* $NetBSD: boot.c,v 1.2.6.2 2013/02/25 00:28:48 tls Exp $ */ 2 1.2.6.2 tls 3 1.2.6.2 tls /* 4 1.2.6.2 tls * Copyright (c) 1992 OMRON Corporation. 5 1.2.6.2 tls * 6 1.2.6.2 tls * This code is derived from software contributed to Berkeley by 7 1.2.6.2 tls * OMRON Corporation. 8 1.2.6.2 tls * 9 1.2.6.2 tls * Redistribution and use in source and binary forms, with or without 10 1.2.6.2 tls * modification, are permitted provided that the following conditions 11 1.2.6.2 tls * are met: 12 1.2.6.2 tls * 1. Redistributions of source code must retain the above copyright 13 1.2.6.2 tls * notice, this list of conditions and the following disclaimer. 14 1.2.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright 15 1.2.6.2 tls * notice, this list of conditions and the following disclaimer in the 16 1.2.6.2 tls * documentation and/or other materials provided with the distribution. 17 1.2.6.2 tls * 3. All advertising materials mentioning features or use of this software 18 1.2.6.2 tls * must display the following acknowledgement: 19 1.2.6.2 tls * This product includes software developed by the University of 20 1.2.6.2 tls * California, Berkeley and its contributors. 21 1.2.6.2 tls * 4. Neither the name of the University nor the names of its contributors 22 1.2.6.2 tls * may be used to endorse or promote products derived from this software 23 1.2.6.2 tls * without specific prior written permission. 24 1.2.6.2 tls * 25 1.2.6.2 tls * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 1.2.6.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 1.2.6.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 1.2.6.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 1.2.6.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 1.2.6.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 1.2.6.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 1.2.6.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 1.2.6.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 1.2.6.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 1.2.6.2 tls * SUCH DAMAGE. 36 1.2.6.2 tls * 37 1.2.6.2 tls * @(#)boot.c 8.1 (Berkeley) 6/10/93 38 1.2.6.2 tls */ 39 1.2.6.2 tls /* 40 1.2.6.2 tls * Copyright (c) 1992, 1993 41 1.2.6.2 tls * The Regents of the University of California. All rights reserved. 42 1.2.6.2 tls * 43 1.2.6.2 tls * This code is derived from software contributed to Berkeley by 44 1.2.6.2 tls * OMRON Corporation. 45 1.2.6.2 tls * 46 1.2.6.2 tls * Redistribution and use in source and binary forms, with or without 47 1.2.6.2 tls * modification, are permitted provided that the following conditions 48 1.2.6.2 tls * are met: 49 1.2.6.2 tls * 1. Redistributions of source code must retain the above copyright 50 1.2.6.2 tls * notice, this list of conditions and the following disclaimer. 51 1.2.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright 52 1.2.6.2 tls * notice, this list of conditions and the following disclaimer in the 53 1.2.6.2 tls * documentation and/or other materials provided with the distribution. 54 1.2.6.2 tls * 3. Neither the name of the University nor the names of its contributors 55 1.2.6.2 tls * may be used to endorse or promote products derived from this software 56 1.2.6.2 tls * without specific prior written permission. 57 1.2.6.2 tls * 58 1.2.6.2 tls * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 1.2.6.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 1.2.6.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 1.2.6.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 1.2.6.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 1.2.6.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 1.2.6.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 1.2.6.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 1.2.6.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 1.2.6.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 1.2.6.2 tls * SUCH DAMAGE. 69 1.2.6.2 tls * 70 1.2.6.2 tls * @(#)boot.c 8.1 (Berkeley) 6/10/93 71 1.2.6.2 tls */ 72 1.2.6.2 tls 73 1.2.6.2 tls /* 74 1.2.6.2 tls * boot.c -- boot program 75 1.2.6.2 tls * by A.Fujita, MAR-01-1992 76 1.2.6.2 tls */ 77 1.2.6.2 tls 78 1.2.6.2 tls #include <sys/param.h> 79 1.2.6.2 tls #include <sys/reboot.h> 80 1.2.6.2 tls #include <sys/exec.h> 81 1.2.6.2 tls #include <luna68k/stand/boot/samachdep.h> 82 1.2.6.2 tls #include <luna68k/stand/boot/stinger.h> 83 1.2.6.2 tls #include <luna68k/stand/boot/status.h> 84 1.2.6.2 tls #include <lib/libsa/loadfile.h> 85 1.2.6.2 tls 86 1.2.6.2 tls int howto; 87 1.2.6.2 tls 88 1.2.6.2 tls static int get_boot_device(const char *, int *, int *, int *); 89 1.2.6.2 tls 90 1.2.6.2 tls struct exec header; 91 1.2.6.2 tls char default_file[] = "sd(0,0)netbsd"; 92 1.2.6.2 tls 93 1.2.6.2 tls char *how_to_info[] = { 94 1.2.6.2 tls "RB_ASKNAME ask for file name to reboot from", 95 1.2.6.2 tls "RB_SINGLE reboot to single user only", 96 1.2.6.2 tls "RB_NOSYNC dont sync before reboot", 97 1.2.6.2 tls "RB_HALT don't reboot, just halt", 98 1.2.6.2 tls "RB_INITNAME name given for /etc/init (unused)", 99 1.2.6.2 tls "RB_DFLTROOT use compiled-in rootdev", 100 1.2.6.2 tls "RB_KDB give control to kernel debugger", 101 1.2.6.2 tls "RB_RDONLY mount root fs read-only" 102 1.2.6.2 tls }; 103 1.2.6.2 tls 104 1.2.6.2 tls int 105 1.2.6.2 tls how_to_boot(int argc, char *argv[]) 106 1.2.6.2 tls { 107 1.2.6.2 tls int i, h = howto; 108 1.2.6.2 tls 109 1.2.6.2 tls if (argc < 2) { 110 1.2.6.2 tls printf("howto: 0x%s\n\n", hexstr(howto, 2)); 111 1.2.6.2 tls 112 1.2.6.2 tls if (h == 0) { 113 1.2.6.2 tls printf("\t%s\n", "RB_AUTOBOOT flags for system auto-booting itself"); 114 1.2.6.2 tls } else { 115 1.2.6.2 tls for (i = 0; i < 8; i++, h >>= 1) { 116 1.2.6.2 tls if (h & 0x01) { 117 1.2.6.2 tls printf("\t%s\n", how_to_info[i]); 118 1.2.6.2 tls } 119 1.2.6.2 tls } 120 1.2.6.2 tls } 121 1.2.6.2 tls 122 1.2.6.2 tls printf("\n"); 123 1.2.6.2 tls } 124 1.2.6.2 tls return ST_NORMAL; 125 1.2.6.2 tls } 126 1.2.6.2 tls 127 1.2.6.2 tls int 128 1.2.6.2 tls get_boot_device(const char *s, int *devp, int *unitp, int *partp) 129 1.2.6.2 tls { 130 1.2.6.2 tls const char *p = s; 131 1.2.6.2 tls int unit, part; 132 1.2.6.2 tls 133 1.2.6.2 tls while (*p != '(') { 134 1.2.6.2 tls if (*p == '\0') 135 1.2.6.2 tls goto error; 136 1.2.6.2 tls p++; 137 1.2.6.2 tls } 138 1.2.6.2 tls 139 1.2.6.2 tls while (*++p != ',') { 140 1.2.6.2 tls if (*p == '\0') 141 1.2.6.2 tls goto error; 142 1.2.6.2 tls if (*p >= '0' && *p <= '9') 143 1.2.6.2 tls unit = (unit * 10) + (*p - '0'); 144 1.2.6.2 tls } 145 1.2.6.2 tls 146 1.2.6.2 tls while (*++p != ')') { 147 1.2.6.2 tls if (*p == '\0') 148 1.2.6.2 tls goto error; 149 1.2.6.2 tls if (*p >= '0' && *p <= '9') 150 1.2.6.2 tls part = (part * 10) + (*p - '0'); 151 1.2.6.2 tls } 152 1.2.6.2 tls 153 1.2.6.2 tls *devp = 0; /* XXX not yet */ 154 1.2.6.2 tls *unitp = unit; /* XXX should pass SCSI ID, not logical unit number */ 155 1.2.6.2 tls *partp = part; 156 1.2.6.2 tls 157 1.2.6.2 tls return 0; 158 1.2.6.2 tls 159 1.2.6.2 tls error: 160 1.2.6.2 tls return -1; 161 1.2.6.2 tls } 162 1.2.6.2 tls 163 1.2.6.2 tls int 164 1.2.6.2 tls boot(int argc, char *argv[]) 165 1.2.6.2 tls { 166 1.2.6.2 tls char *line; 167 1.2.6.2 tls 168 1.2.6.2 tls if (argc < 2) 169 1.2.6.2 tls line = default_file; 170 1.2.6.2 tls else 171 1.2.6.2 tls line = argv[1]; 172 1.2.6.2 tls 173 1.2.6.2 tls printf("Booting %s\n", line); 174 1.2.6.2 tls 175 1.2.6.2 tls return bootnetbsd(line); 176 1.2.6.2 tls } 177 1.2.6.2 tls 178 1.2.6.2 tls int 179 1.2.6.2 tls bootnetbsd(char *line) 180 1.2.6.2 tls { 181 1.2.6.2 tls int io; 182 1.2.6.2 tls int dev, unit, part; 183 1.2.6.2 tls u_long marks[MARK_MAX]; 184 1.2.6.2 tls void (*entry)(void); 185 1.2.6.2 tls 186 1.2.6.2 tls if (get_boot_device(line, &dev, &unit, &part) != 0) { 187 1.2.6.2 tls printf("Bad file name %s\n", line); 188 1.2.6.2 tls return ST_ERROR; 189 1.2.6.2 tls } 190 1.2.6.2 tls 191 1.2.6.2 tls /* Note marks[MARK_START] is passed as an load address offset */ 192 1.2.6.2 tls memset(marks, 0, sizeof(marks)); 193 1.2.6.2 tls 194 1.2.6.2 tls io = loadfile(line, marks, LOAD_KERNEL); 195 1.2.6.2 tls if (io >= 0) { 196 1.2.6.2 tls #ifdef DEBUG 197 1.2.6.2 tls printf("entry = 0x%lx\n", marks[MARK_ENTRY]); 198 1.2.6.2 tls printf("ssym = 0x%lx\n", marks[MARK_SYM]); 199 1.2.6.2 tls printf("esym = 0x%lx\n", marks[MARK_END]); 200 1.2.6.2 tls #endif 201 1.2.6.2 tls 202 1.2.6.2 tls /* 203 1.2.6.2 tls * XXX TODO: fill bootinfo about symbols, boot device etc. 204 1.2.6.2 tls */ 205 1.2.6.2 tls 206 1.2.6.2 tls entry = (void *)marks[MARK_ENTRY]; 207 1.2.6.2 tls 208 1.2.6.2 tls (*entry)(); 209 1.2.6.2 tls } 210 1.2.6.2 tls printf("Booting kernel failed. (%s)\n", strerror(errno)); 211 1.2.6.2 tls 212 1.2.6.2 tls return ST_ERROR; 213 1.2.6.2 tls } 214
Indexes created Wed Oct 22 13:09:56 GMT 2025