wrtvid.c revision 1.3.2.3
1 1.3.2.3 jdolecek /* $NetBSD: wrtvid.c,v 1.3.2.3 2002/06/23 17:38:25 jdolecek Exp $ */ 2 1.3.2.2 jdolecek 3 1.3.2.2 jdolecek /*- 4 1.3.2.2 jdolecek * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 1.3.2.2 jdolecek * All rights reserved. 6 1.3.2.2 jdolecek * 7 1.3.2.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 jdolecek * by Steve C. Woodford. 9 1.3.2.2 jdolecek * 10 1.3.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 jdolecek * modification, are permitted provided that the following conditions 12 1.3.2.2 jdolecek * are met: 13 1.3.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 jdolecek * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 jdolecek * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 jdolecek * documentation and/or other materials provided with the distribution. 18 1.3.2.2 jdolecek * 3. All advertising materials mentioning features or use of this software 19 1.3.2.2 jdolecek * must display the following acknowledgement: 20 1.3.2.2 jdolecek * This product includes software developed by the NetBSD 21 1.3.2.2 jdolecek * Foundation, Inc. and its contributors. 22 1.3.2.2 jdolecek * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.3.2.2 jdolecek * contributors may be used to endorse or promote products derived 24 1.3.2.2 jdolecek * from this software without specific prior written permission. 25 1.3.2.2 jdolecek * 26 1.3.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.3.2.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.3.2.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.3.2.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.3.2.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.3.2.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.3.2.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.3.2.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.3.2.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.3.2.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.3.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 37 1.3.2.2 jdolecek */ 38 1.1 chuck 39 1.1 chuck #include <sys/types.h> 40 1.3.2.2 jdolecek #include <sys/stat.h> 41 1.1 chuck #include <fcntl.h> 42 1.1 chuck #include <stdio.h> 43 1.2 scw #include <stdlib.h> 44 1.3.2.2 jdolecek #include <string.h> 45 1.1 chuck 46 1.3.2.2 jdolecek /* mvme68k's boot block is 512 bytes long */ 47 1.3.2.2 jdolecek #define SIZEOF_VID 0x200 48 1.2 scw 49 1.3.2.2 jdolecek /* The first field is effectively the vendor string, in this case NBSD */ 50 1.3.2.2 jdolecek #define VID_ID_OFF 0x000 51 1.3.2.2 jdolecek #define VID_ID "NBSD" 52 1.3.2.2 jdolecek #define VID_ID_LEN 4 53 1.2 scw 54 1.3.2.2 jdolecek /* Start block for the 1st stage bootstrap code */ 55 1.3.2.2 jdolecek #define VID_OSS_OFF 0x014 56 1.3.2.2 jdolecek #define VID_OSS_TAPE 1 57 1.3.2.2 jdolecek #define VID_OSS_DISK 2 58 1.1 chuck 59 1.3.2.2 jdolecek /* Length, in 256-byte logical blocks, of the 1st stage bootstrap */ 60 1.3.2.2 jdolecek #define VID_OSL_OFF 0x018 61 1.1 chuck 62 1.3.2.2 jdolecek /* Start address of the bootstrap */ 63 1.3.2.2 jdolecek #define VID_OSA_OFF 0x01e 64 1.3.2.2 jdolecek #define VID_OSA 0x003f0000 65 1.1 chuck 66 1.3.2.2 jdolecek /* Block number of config area */ 67 1.3.2.2 jdolecek #define VID_CAS_OFF 0x093 68 1.3.2.2 jdolecek #define VID_CAS 1 69 1.1 chuck 70 1.3.2.2 jdolecek /* Length, in 256-byte logical blocks, of config area */ 71 1.3.2.2 jdolecek #define VID_CAL_OFF 0x094 72 1.3.2.2 jdolecek #define VID_CAL 1 73 1.1 chuck 74 1.3.2.2 jdolecek /* Magic `MOTOROLA' string */ 75 1.3.2.2 jdolecek #define VID_MOT_OFF 0x0f8 76 1.3.2.2 jdolecek #define VID_MOT "MOTOROLA" 77 1.3.2.2 jdolecek #define VID_MOT_LEN 8 78 1.1 chuck 79 1.3.2.2 jdolecek /* Logical block size, in bytes */ 80 1.3.2.2 jdolecek #define CFG_REC_OFF 0x10a 81 1.3.2.2 jdolecek #define CFG_REC 0x100 82 1.2 scw 83 1.3.2.2 jdolecek /* Physical sector size, in bytes */ 84 1.3.2.2 jdolecek #define CFG_PSM_OFF 0x11e 85 1.3.2.2 jdolecek #define CFG_PSM 0x200 86 1.1 chuck 87 1.3.2.2 jdolecek 88 1.3.2.2 jdolecek /* 89 1.3.2.2 jdolecek * Write a big-endian 32-bit value at the specified address 90 1.3.2.2 jdolecek */ 91 1.2 scw static void 92 1.3.2.2 jdolecek write32(u_int8_t *vp, u_int32_t value) 93 1.1 chuck { 94 1.3.2.2 jdolecek *vp++ = (u_int8_t) ((value >> 24) & 0xff); 95 1.3.2.2 jdolecek *vp++ = (u_int8_t) ((value >> 16) & 0xff); 96 1.3.2.2 jdolecek *vp++ = (u_int8_t) ((value >> 8) & 0xff); 97 1.3.2.2 jdolecek *vp = (u_int8_t) (value & 0xff); 98 1.1 chuck } 99 1.1 chuck 100 1.3.2.2 jdolecek /* 101 1.3.2.2 jdolecek * Write a big-endian 16-bit value at the specified address 102 1.3.2.2 jdolecek */ 103 1.2 scw static void 104 1.3.2.2 jdolecek write16(u_int8_t *vp, u_int16_t value) 105 1.3.2.2 jdolecek { 106 1.3.2.2 jdolecek *vp++ = (u_int8_t) ((value >> 8) & 0xff); 107 1.3.2.2 jdolecek *vp = (u_int8_t) (value & 0xff); 108 1.3.2.2 jdolecek } 109 1.3.2.2 jdolecek 110 1.3.2.2 jdolecek int 111 1.3.2.2 jdolecek main(int argc, char **argv) 112 1.1 chuck { 113 1.3.2.2 jdolecek struct stat st; 114 1.3.2.2 jdolecek u_int16_t len; 115 1.3.2.2 jdolecek u_int8_t *vid; 116 1.3.2.2 jdolecek char *fn; 117 1.3.2.2 jdolecek int is_disk; 118 1.3.2.2 jdolecek int fd; 119 1.3.2.2 jdolecek 120 1.3.2.2 jdolecek if (argc != 2) { 121 1.3.2.2 jdolecek usage: 122 1.3.2.2 jdolecek fprintf(stderr, "%s: <bootsd|bootst>\n", argv[0]); 123 1.3.2.2 jdolecek exit(1); 124 1.3.2.2 jdolecek } 125 1.3.2.2 jdolecek 126 1.3.2.2 jdolecek if (strcmp(argv[1], "bootsd") == 0) { 127 1.3.2.2 jdolecek is_disk = 1; 128 1.3.2.2 jdolecek fn = "sdboot"; 129 1.3.2.2 jdolecek } else 130 1.3.2.2 jdolecek if (strcmp(argv[1], "bootst") == 0) { 131 1.3.2.2 jdolecek is_disk = 0; 132 1.3.2.2 jdolecek fn = "stboot"; 133 1.3.2.2 jdolecek } else 134 1.3.2.2 jdolecek goto usage; 135 1.3.2.2 jdolecek 136 1.3.2.2 jdolecek if (stat(argv[1], &st) < 0) { 137 1.3.2.2 jdolecek perror(argv[1]); 138 1.3.2.2 jdolecek exit(1); 139 1.3.2.2 jdolecek } 140 1.3.2.2 jdolecek 141 1.3.2.2 jdolecek /* How many 256-byte logical blocks (rounded up) */ 142 1.3.2.2 jdolecek len = (u_int16_t) ((st.st_size + 255) / 256); 143 1.3.2.3 jdolecek 144 1.3.2.3 jdolecek /* For tapes, round up to 8k */ 145 1.3.2.3 jdolecek if (is_disk == 0) { 146 1.3.2.3 jdolecek len += (8192 / 256) - 1; 147 1.3.2.3 jdolecek len &= ~((8192 / 256) -1); 148 1.3.2.3 jdolecek } 149 1.3.2.2 jdolecek 150 1.3.2.2 jdolecek if ((vid = malloc(SIZEOF_VID)) == NULL) { 151 1.3.2.2 jdolecek perror(argv[0]); 152 1.3.2.2 jdolecek exit(1); 153 1.3.2.2 jdolecek } 154 1.3.2.2 jdolecek 155 1.3.2.2 jdolecek /* Generate the VID and CFG data */ 156 1.3.2.2 jdolecek memset(vid, 0, SIZEOF_VID); 157 1.3.2.2 jdolecek memcpy(&vid[VID_ID_OFF], VID_ID, VID_ID_LEN); 158 1.3.2.2 jdolecek write32(&vid[VID_OSS_OFF], is_disk ? VID_OSS_DISK : VID_OSS_TAPE); 159 1.3.2.2 jdolecek write16(&vid[VID_OSL_OFF], len); 160 1.3.2.2 jdolecek write32(&vid[VID_OSA_OFF], VID_OSA); 161 1.3.2.2 jdolecek vid[VID_CAS_OFF] = VID_CAS; 162 1.3.2.2 jdolecek vid[VID_CAL_OFF] = VID_CAL; 163 1.3.2.2 jdolecek memcpy(&vid[VID_MOT_OFF], VID_MOT, VID_MOT_LEN); 164 1.3.2.2 jdolecek write16(&vid[CFG_REC_OFF], CFG_REC); 165 1.3.2.2 jdolecek write16(&vid[CFG_PSM_OFF], CFG_PSM); 166 1.3.2.2 jdolecek 167 1.3.2.2 jdolecek /* Create and write it out */ 168 1.3.2.2 jdolecek if ((fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, 0644)) < 0) { 169 1.3.2.2 jdolecek perror(fn); 170 1.3.2.2 jdolecek exit(1); 171 1.3.2.2 jdolecek } 172 1.3.2.2 jdolecek 173 1.3.2.2 jdolecek if (write(fd, vid, SIZEOF_VID) != SIZEOF_VID) { 174 1.3.2.2 jdolecek perror(fn); 175 1.3.2.2 jdolecek exit(1); 176 1.3.2.2 jdolecek } 177 1.3.2.2 jdolecek 178 1.3.2.2 jdolecek close(fd); 179 1.3.2.2 jdolecek free(vid); 180 1.3.2.2 jdolecek 181 1.3.2.2 jdolecek return(0); 182 1.1 chuck } 183
Indexes created Fri Oct 31 11:10:07 GMT 2025