boot.c revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: boot.c,v 1.1.2.2 2002/11/11 22:03:31 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /* 4 1.1.2.2 nathanw * Copyright (c) 1992, 1993 5 1.1.2.2 nathanw * The Regents of the University of California. All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * This code is derived from software contributed to Berkeley by 8 1.1.2.2 nathanw * Ralph Campbell. 9 1.1.2.2 nathanw * 10 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.1.2.2 nathanw * are met: 13 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 nathanw * must display the following acknowledgement: 20 1.1.2.2 nathanw * This product includes software developed by the University of 21 1.1.2.2 nathanw * California, Berkeley and its contributors. 22 1.1.2.2 nathanw * 4. Neither the name of the University nor the names of its contributors 23 1.1.2.2 nathanw * may be used to endorse or promote products derived from this software 24 1.1.2.2 nathanw * without specific prior written permission. 25 1.1.2.2 nathanw * 26 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 1.1.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 1.1.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 1.1.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 1.1.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 1.1.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1.2.2 nathanw * SUCH DAMAGE. 37 1.1.2.2 nathanw * 38 1.1.2.2 nathanw * @(#)boot.c 8.1 (Berkeley) 6/10/93 39 1.1.2.2 nathanw */ 40 1.1.2.2 nathanw 41 1.1.2.2 nathanw #include <lib/libsa/stand.h> 42 1.1.2.2 nathanw #include <lib/libkern/libkern.h> 43 1.1.2.2 nathanw #include <lib/libsa/loadfile.h> 44 1.1.2.2 nathanw 45 1.1.2.2 nathanw #include <sys/param.h> 46 1.1.2.2 nathanw #include <sys/exec.h> 47 1.1.2.2 nathanw #include <sys/exec_ecoff.h> 48 1.1.2.2 nathanw 49 1.1.2.2 nathanw #include "stand/common/common.h" 50 1.1.2.2 nathanw #include "stand/common/cfe_api.h" 51 1.1.2.2 nathanw 52 1.1.2.2 nathanw #include <machine/autoconf.h> 53 1.1.2.2 nathanw 54 1.1.2.2 nathanw #if !defined(UNIFIED_BOOTBLOCK) && !defined(SECONDARY_BOOTBLOCK) 55 1.1.2.2 nathanw #error not UNIFIED_BOOTBLOCK and not SECONDARY_BOOTBLOCK 56 1.1.2.2 nathanw #endif 57 1.1.2.2 nathanw 58 1.1.2.2 nathanw char boot_file[128]; 59 1.1.2.2 nathanw char boot_flags[128]; 60 1.1.2.2 nathanw extern int debug; 61 1.1.2.2 nathanw 62 1.1.2.2 nathanw struct bootinfo_v1 bootinfo; 63 1.1.2.2 nathanw 64 1.1.2.2 nathanw paddr_t ffp_save, ptbr_save; 65 1.1.2.2 nathanw 66 1.1.2.2 nathanw int debug; 67 1.1.2.2 nathanw 68 1.1.2.2 nathanw char *kernelnames[] = { 69 1.1.2.2 nathanw "netbsd", "netbsd.gz", 70 1.1.2.2 nathanw "netbsd.bak", "netbsd.bak.gz", 71 1.1.2.2 nathanw "netbsd.old", "netbsd.old.gz", 72 1.1.2.2 nathanw "onetbsd", "onetbsd.gz", 73 1.1.2.2 nathanw "netbsd.mips", "netbsd.mips.gz", 74 1.1.2.2 nathanw NULL 75 1.1.2.2 nathanw }; 76 1.1.2.2 nathanw 77 1.1.2.2 nathanw int 78 1.1.2.2 nathanw #if defined(UNIFIED_BOOTBLOCK) 79 1.1.2.2 nathanw main(long fwhandle,long evector,long fwentry,long fwseal) 80 1.1.2.2 nathanw #else /* defined(SECONDARY_BOOTBLOCK) */ 81 1.1.2.2 nathanw main(long fwhandle,long fd,long fwentry) 82 1.1.2.2 nathanw #endif 83 1.1.2.2 nathanw { 84 1.1.2.2 nathanw char *name, **namep; 85 1.1.2.2 nathanw u_long marks[MARK_MAX]; 86 1.1.2.2 nathanw u_int32_t entry; 87 1.1.2.2 nathanw int win; 88 1.1.2.2 nathanw 89 1.1.2.2 nathanw /* Init prom callback vector. */ 90 1.1.2.2 nathanw cfe_init(fwhandle,fwentry); 91 1.1.2.2 nathanw 92 1.1.2.2 nathanw /* Init the console device */ 93 1.1.2.2 nathanw init_console(); 94 1.1.2.2 nathanw 95 1.1.2.2 nathanw /* print a banner */ 96 1.1.2.2 nathanw printf("\n"); 97 1.1.2.2 nathanw printf("NetBSD/sbmips " NETBSD_VERS " " BOOT_TYPE_NAME " Bootstrap, Revision %s\n", 98 1.1.2.2 nathanw bootprog_rev); 99 1.1.2.2 nathanw printf("(%s, %s)\n", bootprog_maker, bootprog_date); 100 1.1.2.2 nathanw printf("\n"); 101 1.1.2.2 nathanw 102 1.1.2.2 nathanw /* set up the booted device descriptor */ 103 1.1.2.2 nathanw #if defined(UNIFIED_BOOTBLOCK) 104 1.1.2.2 nathanw if (!booted_dev_open()) { 105 1.1.2.2 nathanw printf("Boot device (%s) open failed.\n", 106 1.1.2.2 nathanw booted_dev_name[0] ? booted_dev_name : "unknown"); 107 1.1.2.2 nathanw goto fail; 108 1.1.2.2 nathanw } 109 1.1.2.2 nathanw #else /* defined(SECONDARY_BOOTBLOCK) */ 110 1.1.2.2 nathanw booted_dev_setfd(fd); 111 1.1.2.2 nathanw #endif 112 1.1.2.2 nathanw 113 1.1.2.2 nathanw printf("\n"); 114 1.1.2.2 nathanw 115 1.1.2.2 nathanw boot_file[0] = 0; 116 1.1.2.2 nathanw cfe_getenv("KERNEL_FILE",boot_file,sizeof(boot_file)); 117 1.1.2.2 nathanw 118 1.1.2.2 nathanw boot_flags[0] = 0; 119 1.1.2.2 nathanw cfe_getenv("BOOT_FLAGS",boot_flags,sizeof(boot_flags)); 120 1.1.2.2 nathanw 121 1.1.2.2 nathanw if (boot_file[0] != 0) 122 1.1.2.2 nathanw (void)printf("Boot file: %s\n", boot_file); 123 1.1.2.2 nathanw (void)printf("Boot flags: %s\n", boot_flags); 124 1.1.2.2 nathanw 125 1.1.2.2 nathanw if (strchr(boot_flags, 'i') || strchr(boot_flags, 'I')) { 126 1.1.2.2 nathanw printf("Boot file: "); 127 1.1.2.2 nathanw gets(boot_file); 128 1.1.2.2 nathanw } 129 1.1.2.2 nathanw 130 1.1.2.2 nathanw memset(marks, 0, sizeof marks); 131 1.1.2.2 nathanw if (boot_file[0] != '\0') 132 1.1.2.2 nathanw win = loadfile(name = boot_file, marks, LOAD_KERNEL) == 0; 133 1.1.2.2 nathanw else 134 1.1.2.2 nathanw for (namep = kernelnames, win = 0; *namep != NULL && !win; 135 1.1.2.2 nathanw namep++) 136 1.1.2.2 nathanw win = loadfile(name = *namep, marks, LOAD_KERNEL) == 0; 137 1.1.2.2 nathanw 138 1.1.2.2 nathanw entry = marks[MARK_ENTRY]; 139 1.1.2.2 nathanw booted_dev_close(); 140 1.1.2.2 nathanw printf("\n"); 141 1.1.2.2 nathanw if (!win) 142 1.1.2.2 nathanw goto fail; 143 1.1.2.2 nathanw 144 1.1.2.2 nathanw (void)printf("Entering %s at 0x%lx...\n", name, (long)entry); 145 1.1.2.2 nathanw 146 1.1.2.2 nathanw cfe_flushcache(0); 147 1.1.2.2 nathanw 148 1.1.2.2 nathanw bzero(&bootinfo,sizeof(bootinfo)); 149 1.1.2.2 nathanw bootinfo.version = BOOTINFO_VERSION; 150 1.1.2.2 nathanw bootinfo.reserved = 0; 151 1.1.2.2 nathanw bootinfo.ssym = marks[MARK_SYM]; 152 1.1.2.2 nathanw bootinfo.esym = marks[MARK_END]; 153 1.1.2.2 nathanw strncpy(bootinfo.boot_flags,boot_flags,sizeof(bootinfo.boot_flags)); 154 1.1.2.2 nathanw strncpy(bootinfo.booted_kernel,name,sizeof(bootinfo.booted_kernel)); 155 1.1.2.2 nathanw bootinfo.fwhandle = fwhandle; 156 1.1.2.2 nathanw bootinfo.fwentry = fwentry; 157 1.1.2.2 nathanw 158 1.1.2.2 nathanw (*(void (*)(long,long,long,long))entry)(fwhandle, 159 1.1.2.2 nathanw BOOTINFO_MAGIC, 160 1.1.2.2 nathanw (long)&bootinfo, 161 1.1.2.2 nathanw fwentry); 162 1.1.2.2 nathanw 163 1.1.2.2 nathanw (void)printf("KERNEL RETURNED!\n"); 164 1.1.2.2 nathanw 165 1.1.2.2 nathanw fail: 166 1.1.2.2 nathanw (void)printf("Boot failed! Halting...\n"); 167 1.1.2.2 nathanw halt(); 168 1.1.2.2 nathanw return 1; 169 1.1.2.2 nathanw } 170 1.1.2.2 nathanw 171 1.1.2.2 nathanw 172 1.1.2.2 nathanw 173
Indexes created Wed Oct 29 01:09:52 GMT 2025