1 /* $NetBSD: installboot.h,v 1.13 2002/05/20 16:05:26 lukem 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, /* clear boot block */ 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_flags; 65 66 typedef struct { 67 ib_flags flags; /* flags (see above) */ 68 struct ib_mach *machine; /* machine details (see below) */ 69 struct ib_fs *fstype; /* file system details (see below) */ 70 const char *filesystem; /* name of target file system */ 71 int fsfd; /* open fd to filesystem */ 72 struct stat fsstat; /* fstat(2) of fsfd */ 73 const char *stage1; /* name of stage1 bootstrap */ 74 int s1fd; /* open fd to stage1 */ 75 struct stat s1stat; /* fstat(2) of s1fd */ 76 uint32_t s1start; /* start block of stage1 */ 77 const char *stage2; /* name of stage2 bootstrap */ 78 uint32_t s2start; /* start block of stage2 */ 79 } ib_params; 80 81 typedef struct { 82 uint32_t block; 83 uint32_t blocksize; 84 } ib_block; 85 86 struct ib_mach { 87 const char *name; 88 int (*parseopt) (ib_params *, const char *); 89 int (*setboot) (ib_params *); 90 int (*clearboot) (ib_params *); 91 }; 92 93 struct ib_fs { 94 /* compile time parameters */ 95 const char *name; 96 int (*match) (ib_params *); 97 int (*findstage2) (ib_params *, uint32_t *, ib_block *); 98 /* run time fs specific parameters */ 99 uint32_t blocksize; 100 uint32_t needswap; 101 }; 102 103 typedef enum { 104 BBINFO_BIG_ENDIAN = 0, 105 BBINFO_LITTLE_ENDIAN = 1, 106 } bbinfo_endian; 107 108 struct bbinfo_params { 109 const char *magic; /* magic string to look for */ 110 uint32_t offset; /* offset to write start of stage1 */ 111 uint32_t blocksize; /* blocksize of stage1 */ 112 uint32_t maxsize; /* max size of stage1 */ 113 uint32_t headeroffset; /* 114 * header offset (relative to offset) 115 * to read stage1 into 116 */ 117 bbinfo_endian endian; 118 }; 119 120 extern struct ib_mach machines[]; 121 extern struct ib_fs fstypes[]; 122 123 /* installboot.c */ 124 int parseoptionflag(ib_params *, const char *, ib_flags); 125 uint16_t compute_sunsum(const uint16_t *); 126 int set_sunsum(ib_params *, uint16_t *, uint16_t); 127 int no_parseopt(ib_params *, const char *); 128 int no_setboot(ib_params *); 129 int no_clearboot(ib_params *); 130 131 /* bbinfo.c */ 132 int shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *, 133 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 134 int shared_bbinfo_setboot(ib_params *, struct bbinfo_params *, 135 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 136 137 /* fstypes.c */ 138 int hardcode_stage2(ib_params *, uint32_t *, ib_block *); 139 int ffs_match(ib_params *); 140 int ffs_findstage2(ib_params *, uint32_t *, ib_block *); 141 int raw_match(ib_params *); 142 int raw_findstage2(ib_params *, uint32_t *, ib_block *); 143 144 /* machines.c */ 145 int alpha_parseopt(ib_params *, const char *); 146 int alpha_setboot(ib_params *); 147 int alpha_clearboot(ib_params *); 148 int macppc_setboot(ib_params *); 149 int macppc_clearboot(ib_params *); 150 int news68k_setboot(ib_params *); 151 int news68k_clearboot(ib_params *); 152 int newsmips_setboot(ib_params *); 153 int newsmips_clearboot(ib_params *); 154 int pmax_parseopt(ib_params *, const char *); 155 int pmax_setboot(ib_params *); 156 int pmax_clearboot(ib_params *); 157 int sparc_setboot(ib_params *); 158 int sparc_clearboot(ib_params *); 159 int sparc64_setboot(ib_params *); 160 int sparc64_clearboot(ib_params *); 161 int sun68k_setboot(ib_params *); 162 int sun68k_clearboot(ib_params *); 163 int vax_parseopt(ib_params *, const char *); 164 int vax_setboot(ib_params *); 165 int vax_clearboot(ib_params *); 166 167 #endif /* _INSTALLBOOT_H */ 168