1 /* $NetBSD: main.c,v 1.7 2003/06/23 14:48:37 martin 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 <lib/libkern/libkern.h> 40 41 #include <lib/libsa/stand.h> 42 43 #include <libi386.h> 44 #include "pxeboot.h" 45 46 int errno; 47 int debug; 48 49 extern char bootprog_name[], bootprog_rev[], bootprog_date[], 50 bootprog_maker[]; 51 52 #define TIMEOUT 5 53 54 int main(void); 55 56 void command_help __P((char *)); 57 void command_quit __P((char *)); 58 void command_boot __P((char *)); 59 60 const struct bootblk_command commands[] = { 61 { "help", command_help }, 62 { "?", command_help }, 63 { "quit", command_quit }, 64 { "boot", command_boot }, 65 { NULL, NULL }, 66 }; 67 68 #ifdef COMPAT_OLDBOOT 69 int 70 parsebootfile(const char *fname, char **fsname, char **devname, 71 u_int *unit, u_int *partition, const char **file) 72 { 73 return (EINVAL); 74 } 75 76 int 77 biosdisk_gettype(struct open_file *f) 78 { 79 return (0); 80 } 81 #endif 82 83 static int 84 bootit(const char *filename, int howto) 85 { 86 if (exec_netbsd(filename, 0, howto) < 0) 87 printf("boot: %s\n", strerror(errno)); 88 else 89 printf("boot returned\n"); 90 return (-1); 91 } 92 93 static void 94 print_banner(void) 95 { 96 int base = getbasemem(); 97 int ext = getextmem(); 98 99 printf("\n" 100 ">> %s, Revision %s\n" 101 ">> (%s, %s)\n" 102 ">> Memory: %d/%d k\n", 103 bootprog_name, bootprog_rev, 104 bootprog_maker, bootprog_date, 105 base, ext); 106 } 107 108 int 109 main(void) 110 { 111 char c; 112 113 #ifdef SUPPORT_SERIAL 114 initio(SUPPORT_SERIAL); 115 #else 116 initio(CONSDEV_PC); 117 #endif 118 gateA20(); 119 120 print_banner(); 121 122 printf("Press return to boot now, any other key for boot menu\n"); 123 printf("Starting in "); 124 125 c = awaitkey(TIMEOUT, 1); 126 if ((c != '\r') && (c != '\n') && (c != '\0')) { 127 printf("type \"?\" or \"help\" for help.\n"); 128 bootmenu(); /* does not return */ 129 } 130 131 /* 132 * The file name provided here is just a default. If the 133 * DHCP server provides a file name, we'll use that instead. 134 */ 135 bootit("netbsd", 0); 136 137 /* 138 * If that fails, let the BIOS try the next boot device. 139 */ 140 return (1); 141 } 142 143 /* ARGSUSED */ 144 void 145 command_help(char *arg) 146 { 147 printf("commands are:\n" 148 "boot [filename] [-adsqv]\n" 149 " (ex. \"netbsd.old -s\"\n" 150 "help|?\n" 151 "quit\n"); 152 } 153 154 /* ARGSUSED */ 155 void 156 command_quit(char *arg) 157 { 158 printf("Exiting... goodbye...\n"); 159 exit(0); 160 } 161 162 void 163 command_boot(char *arg) 164 { 165 char *filename; 166 int howto; 167 168 if (parseboot(arg, &filename, &howto)) 169 bootit(filename, howto); 170 } 171