1 /* $NetBSD: installboot.h,v 1.35 2008/04/28 20:24:16 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Luke Mewburn of Wasabi Systems. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _INSTALLBOOT_H 33 #define _INSTALLBOOT_H 34 35 #if HAVE_NBTOOL_CONFIG_H 36 #include "nbtool_config.h" 37 #include "../../sys/sys/bootblock.h" 38 #else 39 #include <sys/bootblock.h> 40 #include <sys/endian.h> 41 #endif 42 43 #include <sys/stat.h> 44 #include <stdint.h> 45 46 typedef enum { 47 /* flags from global options */ 48 IB_VERBOSE = 1<<0, /* verbose operation */ 49 IB_NOWRITE = 1<<1, /* don't write */ 50 IB_CLEAR = 1<<2, /* clear boot block */ 51 IB_EDIT = 1<<3, /* edit boot parameters */ 52 IB_FORCE = 1<<4, /* Ignore some consistency checks */ 53 54 /* flags from -o options */ 55 IB_ALPHASUM = 1<<8, /* set Alpha checksum */ 56 IB_APPEND = 1<<9, /* append stage 1 to EO(regular)F */ 57 IB_SUNSUM = 1<<10, /* set Sun checksum */ 58 IB_STAGE1START= 1<<11, /* start block for stage 1 provided */ 59 IB_STAGE2START= 1<<12, /* start block for stage 2 provided */ 60 IB_COMMAND = 1<<13, /* Amiga commandline option */ 61 IB_RESETVIDEO = 1<<14, /* i386 reset video */ 62 IB_CONSOLE = 1<<15, /* i386 console */ 63 IB_CONSPEED = 1<<16, /* i386 console baud rate */ 64 IB_TIMEOUT = 1<<17, /* i386 boot timeout */ 65 IB_PASSWORD = 1<<18, /* i386 boot password */ 66 IB_KEYMAP = 1<<19, /* i386 console keymap */ 67 IB_CONSADDR = 1<<20, /* i386 console io address */ 68 } ib_flags; 69 70 typedef struct { 71 ib_flags flags; /* flags (see above) */ 72 struct ib_mach *machine; /* machine details (see below) */ 73 struct ib_fs *fstype; /* file system details (see below) */ 74 const char *filesystem; /* name of target file system */ 75 int fsfd; /* open fd to filesystem */ 76 struct stat fsstat; /* fstat(2) of fsfd */ 77 const char *stage1; /* name of stage1 bootstrap */ 78 int s1fd; /* open fd to stage1 */ 79 struct stat s1stat; /* fstat(2) of s1fd */ 80 uint64_t s1start; /* start block of stage1 */ 81 const char *stage2; /* name of stage2 bootstrap */ 82 uint64_t s2start; /* start block of stage2 */ 83 /* parsed -o option=value data */ 84 const char *command; /* name of command string */ 85 const char *console; /* name of console */ 86 int conspeed; /* console baud rate */ 87 int consaddr; /* console io address */ 88 const char *password; /* boot password */ 89 int timeout; /* interactive boot timeout */ 90 const char *keymap; /* keyboard translations */ 91 } ib_params; 92 93 typedef struct { 94 uint64_t block; 95 uint32_t blocksize; 96 } ib_block; 97 98 struct ib_mach { 99 const char *name; 100 int (*setboot) (ib_params *); 101 int (*clearboot) (ib_params *); 102 int (*editboot) (ib_params *); 103 ib_flags valid_flags; 104 }; 105 106 struct ib_fs { 107 /* compile time parameters */ 108 const char *name; 109 int (*match) (ib_params *); 110 int (*findstage2) (ib_params *, uint32_t *, ib_block *); 111 /* run time fs specific parameters */ 112 uint32_t blocksize; 113 uint32_t needswap; 114 off_t sblockloc; /* location of superblock */ 115 off_t offset; /* file system offset (e.g. RAID) */ 116 }; 117 118 typedef enum { 119 BBINFO_BIG_ENDIAN = 0, 120 BBINFO_LITTLE_ENDIAN = 1, 121 } bbinfo_endian; 122 123 struct bbinfo_params { 124 const char *magic; /* magic string to look for */ 125 uint32_t offset; /* offset to write start of stage1 */ 126 uint32_t blocksize; /* blocksize of stage1 */ 127 uint32_t maxsize; /* max size of stage1 */ 128 uint32_t headeroffset; /* 129 * header offset (relative to offset) 130 * to read stage1 into 131 */ 132 bbinfo_endian endian; 133 }; 134 135 extern struct ib_mach *machines[]; 136 extern struct ib_fs fstypes[]; 137 138 /* installboot.c */ 139 uint16_t compute_sunsum(const uint16_t *); 140 int set_sunsum(ib_params *, uint16_t *, uint16_t); 141 int no_setboot(ib_params *); 142 int no_clearboot(ib_params *); 143 int no_editboot(ib_params *); 144 145 /* bbinfo.c */ 146 int shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *, 147 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 148 int shared_bbinfo_setboot(ib_params *, struct bbinfo_params *, 149 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 150 151 /* fstypes.c */ 152 int hardcode_stage2(ib_params *, uint32_t *, ib_block *); 153 int ffs_match(ib_params *); 154 int ffs_findstage2(ib_params *, uint32_t *, ib_block *); 155 int raid_match(ib_params *); 156 int raw_match(ib_params *); 157 int raw_findstage2(ib_params *, uint32_t *, ib_block *); 158 int ext2fs_match(ib_params *); 159 int ext2fs_findstage2(ib_params *, uint32_t *, ib_block *); 160 161 /* machines.c */ 162 extern struct ib_mach ib_mach_alpha; 163 extern struct ib_mach ib_mach_amd64; 164 extern struct ib_mach ib_mach_amiga; 165 extern struct ib_mach ib_mach_ews4800mips; 166 extern struct ib_mach ib_mach_hp300; 167 extern struct ib_mach ib_mach_hp700; 168 extern struct ib_mach ib_mach_i386; 169 extern struct ib_mach ib_mach_landisk; 170 extern struct ib_mach ib_mach_macppc; 171 extern struct ib_mach ib_mach_news68k; 172 extern struct ib_mach ib_mach_newsmips; 173 extern struct ib_mach ib_mach_next68k; 174 extern struct ib_mach ib_mach_pmax; 175 extern struct ib_mach ib_mach_sparc; 176 extern struct ib_mach ib_mach_sparc64; 177 extern struct ib_mach ib_mach_sun2; 178 extern struct ib_mach ib_mach_sun3; 179 extern struct ib_mach ib_mach_vax; 180 extern struct ib_mach ib_mach_x68k; 181 182 #endif /* _INSTALLBOOT_H */ 183