1 /* $NetBSD: uboot.c,v 1.15 2008/07/16 13:44:51 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1982, 1986, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)boot.c 8.1 (Berkeley) 6/10/93 32 */ 33 34 #include <sys/param.h> 35 #include <sys/boot_flag.h> 36 37 #include <lib/libsa/stand.h> 38 #include <lib/libkern/libkern.h> 39 40 #include <hp300/stand/common/samachdep.h> 41 42 /* 43 * Boot program... bits in `howto' determine whether boot stops to 44 * ask for system name. Boot device is derived from ROM provided 45 * information. 46 */ 47 48 char line[100]; 49 50 extern u_int opendev; 51 extern char *lowram; 52 extern int noconsole; 53 54 /* 55 * XXX UFS accepts a /, NFS doesn't. 56 */ 57 char *name; 58 char *names[] = { 59 "netbsd", "netbsd.gz", 60 "netbsd.bak", "netbsd.bak.gz", 61 "netbsd.old", "netbsd.old.gz", 62 "onetbsd", "onetbsd.gz", 63 NULL 64 }; 65 #define NUMNAMES (sizeof(names) / sizeof(char *)) 66 67 static int bdev, badapt, bctlr, bunit, bpart; 68 69 void main(void); 70 void getbootdev(int *); 71 72 void 73 main(void) 74 { 75 int currname = 0; 76 77 printf("\n"); 78 printf(">> %s, Revision %s (from NetBSD %s)\n", 79 bootprog_name, bootprog_rev, bootprog_kernrev); 80 printf(">> HP 9000/%s SPU\n", getmachineid()); 81 printf(">> Enter \"reset\" to reset system.\n"); 82 83 bdev = B_TYPE(bootdev); 84 badapt = B_ADAPTOR(bootdev); 85 bctlr = B_CONTROLLER(bootdev); 86 bunit = B_UNIT(bootdev); 87 bpart = B_PARTITION(bootdev); 88 89 for (;;) { 90 name = names[currname++]; 91 if (currname == NUMNAMES) 92 currname = 0; 93 94 if (!noconsole) { 95 howto = 0; 96 getbootdev(&howto); 97 } else 98 printf(": %s\n", name); 99 exec_hp300(name, (u_long)lowram, howto); 100 printf("boot: %s\n", strerror(errno)); 101 } 102 } 103 104 void 105 getbootdev(int *howto) 106 { 107 char c, *ptr = line; 108 109 printf("Boot: [[[%s%d%c:]%s][-a][-c][-d][-s][-v][-q]] :- ", 110 devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name); 111 112 if (tgets(line)) { 113 if (strcmp(line, "reset") == 0) { 114 call_req_reboot(); /* reset machine */ 115 printf("panic: can't reboot, halting\n"); 116 __asm("stop #0x2700"); 117 } 118 while ((c = *ptr) != '\0') { 119 while (c == ' ') 120 c = *++ptr; 121 if (!c) 122 return; 123 if (c == '-') 124 while ((c = *++ptr) && c != ' ') 125 BOOT_FLAG(c, *howto); 126 else { 127 name = ptr; 128 while ((c = *++ptr) && c != ' '); 129 if (c) 130 *ptr++ = 0; 131 } 132 } 133 } else 134 printf("\n"); 135 } 136