1 /* $NetBSD: main.c,v 1.11 2005/11/13 22:23:30 dsl Exp $ */ 2 3 /* 4 * Copyright (c) 1996 5 * Matthias Drochner. All rights reserved. 6 * Copyright (c) 1996 7 * Perry E. Metzger. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgements: 19 * This product includes software developed for the NetBSD Project 20 * by Matthias Drochner. 21 * This product includes software developed for the NetBSD Project 22 * by Perry E. Metzger. 23 * 4. The names of the authors may not be used to endorse or promote products 24 * derived from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 */ 38 39 #include <sys/types.h> 40 #include <sys/reboot.h> 41 #include <sys/bootblock.h> 42 43 #include <lib/libkern/libkern.h> 44 45 #include <lib/libsa/stand.h> 46 47 #include <libi386.h> 48 #include "pxeboot.h" 49 50 extern struct x86_boot_params boot_params; 51 52 int errno; 53 int debug; 54 55 extern char bootprog_name[], bootprog_rev[], bootprog_date[], 56 bootprog_maker[]; 57 58 int main(void); 59 60 void command_help __P((char *)); 61 void command_quit __P((char *)); 62 void command_boot __P((char *)); 63 void command_consdev(char *); 64 65 const struct bootblk_command commands[] = { 66 { "help", command_help }, 67 { "?", command_help }, 68 { "quit", command_quit }, 69 { "boot", command_boot }, 70 { "consdev", command_consdev }, 71 { NULL, NULL }, 72 }; 73 74 #ifdef COMPAT_OLDBOOT 75 int 76 parsebootfile(const char *fname, char **fsname, char **devname, 77 int *unit, int *partition, const char **file) 78 { 79 return (EINVAL); 80 } 81 82 int 83 biosdisk_gettype(struct open_file *f) 84 { 85 return (0); 86 } 87 #endif 88 89 static int 90 bootit(const char *filename, int howto) 91 { 92 if (exec_netbsd(filename, 0, howto) < 0) 93 printf("boot: %s\n", strerror(errno)); 94 else 95 printf("boot returned\n"); 96 return (-1); 97 } 98 99 static void 100 print_banner(void) 101 { 102 int base = getbasemem(); 103 int ext = getextmem(); 104 105 printf("\n" 106 ">> %s, Revision %s\n" 107 ">> (%s, %s)\n" 108 ">> Memory: %d/%d k\n", 109 bootprog_name, bootprog_rev, 110 bootprog_maker, bootprog_date, 111 base, ext); 112 } 113 114 int 115 main(void) 116 { 117 char c; 118 119 #ifdef SUPPORT_SERIAL 120 initio(SUPPORT_SERIAL); 121 #else 122 initio(CONSDEV_PC); 123 #endif 124 gateA20(); 125 126 print_banner(); 127 128 printf("Press return to boot now, any other key for boot menu\n"); 129 printf("Starting in "); 130 131 c = awaitkey(boot_params.bp_timeout, 1); 132 if ((c != '\r') && (c != '\n') && (c != '\0')) { 133 printf("type \"?\" or \"help\" for help.\n"); 134 bootmenu(); /* does not return */ 135 } 136 137 /* 138 * The file name provided here is just a default. If the 139 * DHCP server provides a file name, we'll use that instead. 140 */ 141 bootit("netbsd", 0); 142 143 /* 144 * If that fails, let the BIOS try the next boot device. 145 */ 146 return (1); 147 } 148 149 /* ARGSUSED */ 150 void 151 command_help(char *arg) 152 { 153 printf("commands are:\n" 154 "boot [filename] [-adsqv]\n" 155 " (ex. \"netbsd.old -s\"\n" 156 "consdev {pc|com[0123]|com[0123]kbd|auto}\n" 157 "help|?\n" 158 "quit\n"); 159 } 160 161 /* ARGSUSED */ 162 void 163 command_quit(char *arg) 164 { 165 166 printf("Exiting...\n"); 167 delay(1000000); 168 reboot(); 169 /* Note: we shouldn't get to this point! */ 170 panic("Could not reboot!"); 171 exit(0); 172 } 173 174 void 175 command_boot(char *arg) 176 { 177 char *filename; 178 int howto; 179 180 if (parseboot(arg, &filename, &howto)) 181 bootit(filename, howto); 182 } 183 184 static const struct cons_devs { 185 const char *name; 186 u_int tag; 187 } cons_devs[] = { 188 { "pc", CONSDEV_PC }, 189 { "com0", CONSDEV_COM0 }, 190 { "com1", CONSDEV_COM1 }, 191 { "com2", CONSDEV_COM2 }, 192 { "com3", CONSDEV_COM3 }, 193 { "com0kbd", CONSDEV_COM0KBD }, 194 { "com1kbd", CONSDEV_COM1KBD }, 195 { "com2kbd", CONSDEV_COM2KBD }, 196 { "com3kbd", CONSDEV_COM3KBD }, 197 { "auto", CONSDEV_AUTO }, 198 { 0, 0 } }; 199 200 void 201 command_consdev(char *arg) 202 { 203 const struct cons_devs *cdp; 204 205 for (cdp = cons_devs; cdp->name; cdp++) { 206 if (!strcmp(arg, cdp->name)) { 207 initio(cdp->tag); 208 print_banner(); 209 return; 210 } 211 } 212 printf("invalid console device.\n"); 213 } 214