1 /* $NetBSD: installboot.h,v 1.18 2003/04/09 22:30:59 dsl 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _INSTALLBOOT_H 40 #define _INSTALLBOOT_H 41 42 #if HAVE_CONFIG_H 43 #include "config.h" 44 #include "../../sys/sys/bootblock.h" 45 #else 46 #include <sys/bootblock.h> 47 #endif 48 49 #include <sys/stat.h> 50 #include <stdint.h> 51 52 typedef enum { 53 /* flags from global options */ 54 IB_VERBOSE = 1<<0, /* verbose operation */ 55 IB_NOWRITE = 1<<1, /* don't write */ 56 IB_CLEAR = 1<<2, /* clear boot block */ 57 58 /* flags from -o options */ 59 IB_ALPHASUM = 1<<8, /* set Alpha checksum */ 60 IB_APPEND = 1<<9, /* append stage 1 to EO(regular)F */ 61 IB_SUNSUM = 1<<10, /* set Sun checksum */ 62 IB_STAGE1START= 1<<11, /* start block for stage 1 provided */ 63 IB_STAGE2START= 1<<12, /* start block for stage 2 provided */ 64 IB_COMMAND = 1<<13, /* Amiga commandline option */ 65 } ib_flags; 66 67 typedef struct { 68 ib_flags flags; /* flags (see above) */ 69 struct ib_mach *machine; /* machine details (see below) */ 70 struct ib_fs *fstype; /* file system details (see below) */ 71 const char *filesystem; /* name of target file system */ 72 int fsfd; /* open fd to filesystem */ 73 struct stat fsstat; /* fstat(2) of fsfd */ 74 const char *stage1; /* name of stage1 bootstrap */ 75 int s1fd; /* open fd to stage1 */ 76 struct stat s1stat; /* fstat(2) of s1fd */ 77 uint64_t s1start; /* start block of stage1 */ 78 const char *stage2; /* name of stage2 bootstrap */ 79 uint64_t s2start; /* start block of stage2 */ 80 } ib_params; 81 82 typedef struct { 83 uint64_t block; 84 uint32_t blocksize; 85 } ib_block; 86 87 struct ib_mach { 88 const char *name; 89 int (*parseopt) (ib_params *, const char *); 90 int (*setboot) (ib_params *); 91 int (*clearboot) (ib_params *); 92 }; 93 94 struct ib_fs { 95 /* compile time parameters */ 96 const char *name; 97 int (*match) (ib_params *); 98 int (*findstage2) (ib_params *, uint32_t *, ib_block *); 99 /* run time fs specific parameters */ 100 uint32_t blocksize; 101 uint32_t needswap; 102 off_t sblockloc; /* location of superblock */ 103 }; 104 105 typedef enum { 106 BBINFO_BIG_ENDIAN = 0, 107 BBINFO_LITTLE_ENDIAN = 1, 108 } bbinfo_endian; 109 110 struct bbinfo_params { 111 const char *magic; /* magic string to look for */ 112 uint32_t offset; /* offset to write start of stage1 */ 113 uint32_t blocksize; /* blocksize of stage1 */ 114 uint32_t maxsize; /* max size of stage1 */ 115 uint32_t headeroffset; /* 116 * header offset (relative to offset) 117 * to read stage1 into 118 */ 119 bbinfo_endian endian; 120 }; 121 122 extern struct ib_mach machines[]; 123 extern struct ib_fs fstypes[]; 124 125 /* installboot.c */ 126 int parseoptionflag(ib_params *, const char *, ib_flags); 127 uint16_t compute_sunsum(const uint16_t *); 128 int set_sunsum(ib_params *, uint16_t *, uint16_t); 129 int no_parseopt(ib_params *, const char *); 130 int no_setboot(ib_params *); 131 int no_clearboot(ib_params *); 132 133 /* bbinfo.c */ 134 int shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *, 135 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 136 int shared_bbinfo_setboot(ib_params *, struct bbinfo_params *, 137 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 138 139 /* fstypes.c */ 140 int hardcode_stage2(ib_params *, uint32_t *, ib_block *); 141 int ffs_match(ib_params *); 142 int ffs_findstage2(ib_params *, uint32_t *, ib_block *); 143 int raw_match(ib_params *); 144 int raw_findstage2(ib_params *, uint32_t *, ib_block *); 145 146 /* machines.c */ 147 int alpha_parseopt(ib_params *, const char *); 148 int alpha_setboot(ib_params *); 149 int alpha_clearboot(ib_params *); 150 int amiga_parseopt(ib_params *, const char *); 151 int amiga_setboot(ib_params *); 152 int i386_setboot(ib_params *); 153 int macppc_setboot(ib_params *); 154 int macppc_clearboot(ib_params *); 155 int news68k_setboot(ib_params *); 156 int news68k_clearboot(ib_params *); 157 int newsmips_setboot(ib_params *); 158 int newsmips_clearboot(ib_params *); 159 int pmax_parseopt(ib_params *, const char *); 160 int pmax_setboot(ib_params *); 161 int pmax_clearboot(ib_params *); 162 int sparc_setboot(ib_params *); 163 int sparc_clearboot(ib_params *); 164 int sparc64_setboot(ib_params *); 165 int sparc64_clearboot(ib_params *); 166 int sun68k_setboot(ib_params *); 167 int sun68k_clearboot(ib_params *); 168 int vax_parseopt(ib_params *, const char *); 169 int vax_setboot(ib_params *); 170 int vax_clearboot(ib_params *); 171 int x68k_setboot(ib_params *); 172 int x68k_clearboot(ib_params *); 173 174 #endif /* _INSTALLBOOT_H */ 175