distrib/cdrom/macppc_installboot/installboot.h

   1 /*      $NetBSD: installboot.h,v 1.2 2008/04/28 20:22:53 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 #ifndef MAXNAMLEN
  47 #define MAXNAMLEN       511
  48 #endif
  49
  50 typedef enum {
  51                                 /* flags from global options */
  52         IB_VERBOSE =    1<<0,           /* verbose operation */
  53         IB_NOWRITE =    1<<1,           /* don't write */
  54         IB_CLEAR =      1<<2,           /* clear boot block */
  55
  56                                 /* flags from -o options */
  57         IB_ALPHASUM =   1<<8,           /* set Alpha checksum */
  58         IB_APPEND =     1<<9,           /* append stage 1 to EO(regular)F */
  59         IB_SUNSUM =     1<<10,          /* set Sun checksum */
  60         IB_STAGE1START= 1<<11,          /* start block for stage 1 provided */
  61         IB_STAGE2START= 1<<12,          /* start block for stage 2 provided */
  62         IB_COMMAND =    1<<13,          /* Amiga commandline option */
  63         IB_RESETVIDEO = 1<<14,          /* i386 reset video */
  64         IB_CONSOLE =    1<<15,          /* i386 console */
  65         IB_CONSPEED =   1<<16,          /* i386 console baud rate */
  66         IB_TIMEOUT =    1<<17,          /* i386 boot timeout */
  67         IB_PASSWORD =   1<<18,          /* i386 boot password */
  68         IB_KEYMAP =     1<<19,          /* i386 console keymap */
  69         IB_CONSADDR =   1<<20,          /* i386 console io address */
  70 } ib_flags;
  71
  72 typedef struct {
  73         ib_flags         flags;         /* flags (see above) */
  74         struct ib_mach  *machine;       /* machine details (see below) */
  75         struct ib_fs    *fstype;        /* file system details (see below) */
  76         const char      *filesystem;    /* name of target file system */
  77         int              fsfd;          /*  open fd to filesystem */
  78         struct stat      fsstat;        /*  fstat(2) of fsfd */
  79         const char      *stage1;        /* name of stage1 bootstrap */
  80         int              s1fd;          /*  open fd to stage1 */
  81         struct stat      s1stat;        /*  fstat(2) of s1fd */
  82         uint64_t         s1start;       /*  start block of stage1 */
  83         const char      *stage2;        /* name of stage2 bootstrap */
  84         uint64_t         s2start;       /*  start block of stage2 */
  85                 /* parsed -o option=value data */
  86         const char      *command;       /* name of command string */
  87         const char      *console;       /* name of console */
  88         int              conspeed;      /* console baud rate */
  89         int              consaddr;      /* console io address */
  90         const char      *password;      /* boot password */
  91         int              timeout;       /* interactive boot timeout */
  92         const char      *keymap;        /* keyboard translations */
  93 } ib_params;
  94
  95 typedef struct {
  96         uint64_t        block;
  97         uint32_t        blocksize;
  98 } ib_block;
  99
 100 struct ib_mach {
 101         const char      *name;
 102         int             (*setboot)      (ib_params *);
 103         int             (*clearboot)    (ib_params *);
 104         ib_flags        valid_flags;
 105 };
 106
 107 struct ib_fs {
 108                 /* compile time parameters */
 109         const char      *name;
 110         int             (*match)        (ib_params *);
 111         int             (*findstage2)   (ib_params *, uint32_t *, ib_block *);
 112                 /* run time fs specific parameters */
 113         uint32_t         blocksize;
 114         uint32_t         needswap;
 115         off_t           sblockloc;      /* location of superblock */
 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 int             cd9660_match(ib_params *);
 136 int             cd9660_findstage2(ib_params *, uint32_t *, ib_block *);
 137
 138 int     isofncmp(const u_char *, size_t, const u_char *, size_t, int);
 139 void    isofntrans(u_char *, int, u_char *, u_short *, int, int, int, int);
 140
 141
 142 #endif  /* _INSTALLBOOT_H */