1/* $NetBSD: boot.c,v 1.6 2014/01/11 08:08:23 tsutsui Exp $ */ 2 3/* 4 * Copyright (c) 1992 OMRON Corporation. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * OMRON Corporation. 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 acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)boot.c 8.1 (Berkeley) 6/10/93 38 */ 39/* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * OMRON Corporation. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)boot.c 8.1 (Berkeley) 6/10/93 71 */ 72 73/* 74 * boot.c -- boot program 75 * by A.Fujita, MAR-01-1992 76 */ 77 78#include <sys/param.h> 79#include <sys/boot_flag.h> 80#include <sys/reboot.h> 81#include <sys/exec.h> 82#include <luna68k/stand/boot/samachdep.h> 83#include <luna68k/stand/boot/status.h> 84#include <lib/libsa/loadfile.h> 85 86int 87boot(int argc, char *argv[]) 88{ 89 char *line, *opts; 90 int i, howto; 91 char c; 92 93 line = NULL; 94 howto = 0; 95 for (i = 1; i < argc; i++) { 96 if (argv[i][0] == '-') { 97 opts = argv[i]; 98 while ((c = *++opts) && c != '\0') 99 BOOT_FLAG(c, howto); 100 } else if (line == NULL) 101 line = argv[i]; 102 } 103 if (line == NULL) 104 line = default_file; 105 106 printf("Booting %s", line); 107 if (howto != 0) 108 printf(" (howto 0x%x)", howto); 109 printf("\n"); 110 111 return bootnetbsd(line, howto); 112} 113 114int 115bootnetbsd(char *line, int howto) 116{ 117 int io; 118 u_long marks[MARK_MAX]; 119 120 /* Note marks[MARK_START] is passed as an load address offset */ 121 memset(marks, 0, sizeof(marks)); 122 123 io = loadfile(line, marks, LOAD_KERNEL); 124 if (io >= 0) { 125 int dev = 0, unit = 0, part = 0; 126 uint adpt, ctlr, id; 127 uint32_t bootdev; 128 129 make_device(line, &dev, &unit, &part, NULL); 130 adpt = dev2adpt[dev]; 131 ctlr = CTLR(unit); 132 id = TARGET(unit); 133 bootdev = MAKEBOOTDEV(0, adpt, ctlr, id, part); 134#ifdef DEBUG 135 printf("entry = 0x%lx\n", marks[MARK_ENTRY]); 136 printf("ssym = 0x%lx\n", marks[MARK_SYM]); 137 printf("esym = 0x%lx\n", marks[MARK_END]); 138#endif 139 __asm volatile ( 140 "movl %0,%%d7;" 141 "movl %1,%%d6;" 142 "movl %2,%%a0;" 143 "jbsr %%a0@" 144 : 145 : "g" (howto), "g" (bootdev), 146 "g" ((void *)marks[MARK_ENTRY]) 147 : "d6", "d7", "a0"); 148 } 149 printf("Booting kernel failed. (%s)\n", strerror(errno)); 150 151 return ST_ERROR; 152} 153