| 1 |
1626 |
jcastillo |
/*
|
| 2 |
|
|
* Copyright (C) 1994-1995 Bas Laarhoven.
|
| 3 |
|
|
|
| 4 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 5 |
|
|
it under the terms of the GNU General Public License as published by
|
| 6 |
|
|
the Free Software Foundation; either version 2, or (at your option)
|
| 7 |
|
|
any later version.
|
| 8 |
|
|
|
| 9 |
|
|
This program is distributed in the hope that it will be useful,
|
| 10 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 11 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 12 |
|
|
GNU General Public License for more details.
|
| 13 |
|
|
|
| 14 |
|
|
You should have received a copy of the GNU General Public License
|
| 15 |
|
|
along with this program; see the file COPYING. If not, write to
|
| 16 |
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
| 17 |
|
|
|
| 18 |
|
|
$Source: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/rc203soc/sw/uClinux/drivers/char/ftape/ftape-bsm.c,v $
|
| 19 |
|
|
$Author: jcastillo $
|
| 20 |
|
|
*
|
| 21 |
|
|
$Revision: 1.1 $
|
| 22 |
|
|
$Date: 2005-12-20 10:16:52 $
|
| 23 |
|
|
$State: Exp $
|
| 24 |
|
|
*
|
| 25 |
|
|
* This file contains the bad-sector map handling code for
|
| 26 |
|
|
* the QIC-117 floppy tape driver for Linux.
|
| 27 |
|
|
* QIC-40, QIC-80, QIC-3010 and QIC-3020 maps are implemented.
|
| 28 |
|
|
*/
|
| 29 |
|
|
|
| 30 |
|
|
#include <linux/ftape.h>
|
| 31 |
|
|
#include <linux/string.h>
|
| 32 |
|
|
|
| 33 |
|
|
#include "tracing.h"
|
| 34 |
|
|
#include "ftape-bsm.h"
|
| 35 |
|
|
#include "ftape-ctl.h"
|
| 36 |
|
|
#include "ftape-rw.h"
|
| 37 |
|
|
|
| 38 |
|
|
|
| 39 |
|
|
/* Global vars.
|
| 40 |
|
|
*/
|
| 41 |
|
|
int bad_sector_map_changed = 0;
|
| 42 |
|
|
|
| 43 |
|
|
/* Local vars.
|
| 44 |
|
|
*/
|
| 45 |
|
|
static byte bad_sector_map[BAD_SECTOR_MAP_SIZE];
|
| 46 |
|
|
typedef enum {
|
| 47 |
|
|
forward, backward
|
| 48 |
|
|
} mode_type;
|
| 49 |
|
|
|
| 50 |
|
|
#if 0
|
| 51 |
|
|
/* fix_tape converts a normal QIC-80 tape into a 'wide' tape.
|
| 52 |
|
|
* For testing purposes only !
|
| 53 |
|
|
*/
|
| 54 |
|
|
void fix_tape(byte * buffer)
|
| 55 |
|
|
{
|
| 56 |
|
|
static byte list[BAD_SECTOR_MAP_SIZE];
|
| 57 |
|
|
unsigned long *src_ptr = (unsigned long *) list;
|
| 58 |
|
|
byte *dst_ptr = bad_sector_map;
|
| 59 |
|
|
unsigned long map;
|
| 60 |
|
|
unsigned sector = 1;
|
| 61 |
|
|
int i;
|
| 62 |
|
|
|
| 63 |
|
|
memcpy(list, bad_sector_map, sizeof(list));
|
| 64 |
|
|
memset(bad_sector_map, 0, sizeof(bad_sector_map));
|
| 65 |
|
|
while ((byte *) src_ptr - list < sizeof(list)) {
|
| 66 |
|
|
map = *src_ptr++;
|
| 67 |
|
|
if (map == EMPTY_SEGMENT) {
|
| 68 |
|
|
*(unsigned long *) dst_ptr = 0x800000 + sector;
|
| 69 |
|
|
dst_ptr += 3;
|
| 70 |
|
|
sector += SECTORS_PER_SEGMENT;
|
| 71 |
|
|
} else {
|
| 72 |
|
|
for (i = 0; i < SECTORS_PER_SEGMENT; ++i) {
|
| 73 |
|
|
if (map & 1) {
|
| 74 |
|
|
*(unsigned long *) dst_ptr = sector;
|
| 75 |
|
|
dst_ptr += 3;
|
| 76 |
|
|
}
|
| 77 |
|
|
map >>= 1;
|
| 78 |
|
|
++sector;
|
| 79 |
|
|
}
|
| 80 |
|
|
}
|
| 81 |
|
|
}
|
| 82 |
|
|
bad_sector_map_changed = 1;
|
| 83 |
|
|
*(buffer + 4) = 4; /* put new format code */
|
| 84 |
|
|
format_code = 4;
|
| 85 |
|
|
}
|
| 86 |
|
|
|
| 87 |
|
|
#endif
|
| 88 |
|
|
|
| 89 |
|
|
byte *
|
| 90 |
|
|
find_end_of_bsm_list(byte * ptr, byte * limit)
|
| 91 |
|
|
{
|
| 92 |
|
|
while (ptr + 2 < limit) {
|
| 93 |
|
|
if (ptr[0] || ptr[1] || ptr[2]) {
|
| 94 |
|
|
ptr += 3;
|
| 95 |
|
|
} else {
|
| 96 |
|
|
return ptr;
|
| 97 |
|
|
}
|
| 98 |
|
|
}
|
| 99 |
|
|
return NULL;
|
| 100 |
|
|
}
|
| 101 |
|
|
|
| 102 |
|
|
void store_bad_sector_map(byte * buffer)
|
| 103 |
|
|
{
|
| 104 |
|
|
TRACE_FUN(8, "store_bad_sector_map");
|
| 105 |
|
|
size_t count;
|
| 106 |
|
|
size_t offset;
|
| 107 |
|
|
|
| 108 |
|
|
/* Store the bad sector map in buffer.
|
| 109 |
|
|
*/
|
| 110 |
|
|
if (format_code == 4) {
|
| 111 |
|
|
offset = 256;
|
| 112 |
|
|
count = sizeof(bad_sector_map);
|
| 113 |
|
|
} else {
|
| 114 |
|
|
offset = 2 * SECTOR_SIZE; /* skip failed sector log */
|
| 115 |
|
|
count = sizeof(bad_sector_map) - (offset - 256);
|
| 116 |
|
|
}
|
| 117 |
|
|
memcpy(buffer + offset, bad_sector_map, count);
|
| 118 |
|
|
TRACE_EXIT;
|
| 119 |
|
|
}
|
| 120 |
|
|
|
| 121 |
|
|
void put_sector(byte ** ptr, unsigned long sector)
|
| 122 |
|
|
{
|
| 123 |
|
|
*(*ptr)++ = sector & 0xff;
|
| 124 |
|
|
sector >>= 8;
|
| 125 |
|
|
*(*ptr)++ = sector & 0xff;
|
| 126 |
|
|
sector >>= 8;
|
| 127 |
|
|
*(*ptr)++ = sector & 0xff;
|
| 128 |
|
|
}
|
| 129 |
|
|
|
| 130 |
|
|
unsigned long get_sector(byte ** ptr, mode_type mode)
|
| 131 |
|
|
{
|
| 132 |
|
|
unsigned long sector;
|
| 133 |
|
|
|
| 134 |
|
|
if (mode == forward) {
|
| 135 |
|
|
sector = *(*ptr)++;
|
| 136 |
|
|
sector += *(*ptr)++ << 8;
|
| 137 |
|
|
sector += *(*ptr)++ << 16;
|
| 138 |
|
|
} else {
|
| 139 |
|
|
sector = *--(*ptr) << 16;
|
| 140 |
|
|
sector += *--(*ptr) << 8;
|
| 141 |
|
|
sector += *--(*ptr);
|
| 142 |
|
|
}
|
| 143 |
|
|
return sector;
|
| 144 |
|
|
}
|
| 145 |
|
|
|
| 146 |
|
|
void extract_bad_sector_map(byte * buffer)
|
| 147 |
|
|
{
|
| 148 |
|
|
TRACE_FUN(8, "extract_bad_sector_map");
|
| 149 |
|
|
|
| 150 |
|
|
/* Fill the bad sector map with the contents of buffer.
|
| 151 |
|
|
*/
|
| 152 |
|
|
if (format_code == 4) {
|
| 153 |
|
|
/* QIC-3010/3020 and wide QIC-80 tapes no longer have a failed
|
| 154 |
|
|
* sector log but use this area to extend the bad sector map.
|
| 155 |
|
|
*/
|
| 156 |
|
|
memcpy(bad_sector_map, buffer + 256, sizeof(bad_sector_map));
|
| 157 |
|
|
} else {
|
| 158 |
|
|
/* non-wide QIC-80 tapes have a failed sector log area that
|
| 159 |
|
|
* mustn't be included in the bad sector map.
|
| 160 |
|
|
*/
|
| 161 |
|
|
memcpy(bad_sector_map, buffer + 256 + FAILED_SECTOR_LOG_SIZE,
|
| 162 |
|
|
sizeof(bad_sector_map) - FAILED_SECTOR_LOG_SIZE);
|
| 163 |
|
|
}
|
| 164 |
|
|
#if 0
|
| 165 |
|
|
/* for testing of bad sector handling at end of tape
|
| 166 |
|
|
*/
|
| 167 |
|
|
((unsigned long *) bad_sector_map)[segments_per_track * tracks_per_tape - 3] = 0x000003e0;
|
| 168 |
|
|
((unsigned long *) bad_sector_map)[segments_per_track * tracks_per_tape - 2] = 0xff3fffff;
|
| 169 |
|
|
((unsigned long *) bad_sector_map)[segments_per_track * tracks_per_tape - 1] = 0xffffe000;
|
| 170 |
|
|
#endif
|
| 171 |
|
|
#if 0
|
| 172 |
|
|
/* Enable to test bad sector handling
|
| 173 |
|
|
*/
|
| 174 |
|
|
((unsigned long *) bad_sector_map)[30] = 0xfffffffe;
|
| 175 |
|
|
((unsigned long *) bad_sector_map)[32] = 0x7fffffff;
|
| 176 |
|
|
((unsigned long *) bad_sector_map)[34] = 0xfffeffff;
|
| 177 |
|
|
((unsigned long *) bad_sector_map)[36] = 0x55555555;
|
| 178 |
|
|
((unsigned long *) bad_sector_map)[38] = 0xffffffff;
|
| 179 |
|
|
((unsigned long *) bad_sector_map)[50] = 0xffff0000;
|
| 180 |
|
|
((unsigned long *) bad_sector_map)[51] = 0xffffffff;
|
| 181 |
|
|
((unsigned long *) bad_sector_map)[52] = 0xffffffff;
|
| 182 |
|
|
((unsigned long *) bad_sector_map)[53] = 0x0000ffff;
|
| 183 |
|
|
#endif
|
| 184 |
|
|
#if 0
|
| 185 |
|
|
/* Enable when testing multiple volume tar dumps.
|
| 186 |
|
|
*/
|
| 187 |
|
|
for (i = first_data_segment; i <= ftape_last_segment.id - 7; ++i) {
|
| 188 |
|
|
((unsigned long *) bad_sector_map)[i] = EMPTY_SEGMENT;
|
| 189 |
|
|
}
|
| 190 |
|
|
#endif
|
| 191 |
|
|
#if 0
|
| 192 |
|
|
/* Enable when testing bit positions in *_error_map
|
| 193 |
|
|
*/
|
| 194 |
|
|
for (i = first_data_segment; i <= ftape_last_segment.id; ++i) {
|
| 195 |
|
|
((unsigned long *) bad_sector_map)[i] |= 0x00ff00ff;
|
| 196 |
|
|
}
|
| 197 |
|
|
#endif
|
| 198 |
|
|
if (tracing > 2) {
|
| 199 |
|
|
unsigned int map;
|
| 200 |
|
|
int good_sectors = 0;
|
| 201 |
|
|
int bad_sectors;
|
| 202 |
|
|
unsigned int total_bad = 0;
|
| 203 |
|
|
int i;
|
| 204 |
|
|
|
| 205 |
|
|
if (format_code == 4 || format_code == 3) {
|
| 206 |
|
|
byte *ptr = bad_sector_map;
|
| 207 |
|
|
unsigned sector;
|
| 208 |
|
|
|
| 209 |
|
|
do {
|
| 210 |
|
|
sector = get_sector(&ptr, forward);
|
| 211 |
|
|
if (sector != 0) {
|
| 212 |
|
|
if (format_code == 4 && sector & 0x800000) {
|
| 213 |
|
|
total_bad += SECTORS_PER_SEGMENT - 3;
|
| 214 |
|
|
TRACEx1(6, "bad segment at sector: %6d", sector & 0x7fffff);
|
| 215 |
|
|
} else {
|
| 216 |
|
|
++total_bad;
|
| 217 |
|
|
TRACEx1(6, "bad sector: %6d", sector);
|
| 218 |
|
|
}
|
| 219 |
|
|
}
|
| 220 |
|
|
} while (sector != 0);
|
| 221 |
|
|
/* Display end-of-file marks
|
| 222 |
|
|
*/
|
| 223 |
|
|
do {
|
| 224 |
|
|
sector = *((unsigned short *) ptr)++;
|
| 225 |
|
|
if (sector) {
|
| 226 |
|
|
TRACEx2(4, "eof mark: %4d/%2d", sector,
|
| 227 |
|
|
*((unsigned short *) ptr)++);
|
| 228 |
|
|
}
|
| 229 |
|
|
} while (sector);
|
| 230 |
|
|
} else {
|
| 231 |
|
|
for (i = first_data_segment;
|
| 232 |
|
|
i < segments_per_track * tracks_per_tape; ++i) {
|
| 233 |
|
|
map = ((unsigned long *) bad_sector_map)[i];
|
| 234 |
|
|
bad_sectors = count_ones(map);
|
| 235 |
|
|
if (bad_sectors > 0) {
|
| 236 |
|
|
TRACEx2(6, "bsm for segment %4d: 0x%08x", i, map);
|
| 237 |
|
|
if (bad_sectors > SECTORS_PER_SEGMENT - 3) {
|
| 238 |
|
|
bad_sectors = SECTORS_PER_SEGMENT - 3;
|
| 239 |
|
|
}
|
| 240 |
|
|
total_bad += bad_sectors;
|
| 241 |
|
|
}
|
| 242 |
|
|
}
|
| 243 |
|
|
}
|
| 244 |
|
|
good_sectors = ((segments_per_track * tracks_per_tape - first_data_segment)
|
| 245 |
|
|
* (SECTORS_PER_SEGMENT - 3)) - total_bad;
|
| 246 |
|
|
TRACEx1(3, "%d Kb usable on this tape",
|
| 247 |
|
|
good_sectors - ftape_last_segment.free);
|
| 248 |
|
|
if (total_bad == 0) {
|
| 249 |
|
|
TRACE(1, "WARNING: this tape has no bad blocks registered !");
|
| 250 |
|
|
} else {
|
| 251 |
|
|
TRACEx1(2, "%d bad sectors", total_bad);
|
| 252 |
|
|
}
|
| 253 |
|
|
}
|
| 254 |
|
|
TRACE_EXIT;
|
| 255 |
|
|
}
|
| 256 |
|
|
|
| 257 |
|
|
unsigned long cvt2map(int sector)
|
| 258 |
|
|
{
|
| 259 |
|
|
return 1 << (((sector & 0x7fffff) - 1) % SECTORS_PER_SEGMENT);
|
| 260 |
|
|
}
|
| 261 |
|
|
|
| 262 |
|
|
int cvt2segment(int sector)
|
| 263 |
|
|
{
|
| 264 |
|
|
return ((sector & 0x7fffff) - 1) / SECTORS_PER_SEGMENT;
|
| 265 |
|
|
}
|
| 266 |
|
|
|
| 267 |
|
|
int forward_seek_entry(int segment_id, byte ** ptr, unsigned long *map)
|
| 268 |
|
|
{
|
| 269 |
|
|
byte *tmp_ptr;
|
| 270 |
|
|
unsigned long sector;
|
| 271 |
|
|
int segment;
|
| 272 |
|
|
int count;
|
| 273 |
|
|
|
| 274 |
|
|
do {
|
| 275 |
|
|
sector = get_sector(ptr, forward);
|
| 276 |
|
|
segment = cvt2segment(sector);
|
| 277 |
|
|
} while (sector != 0 && segment < segment_id);
|
| 278 |
|
|
tmp_ptr = *ptr - 3; /* point to first sector >= segment_id */
|
| 279 |
|
|
/* Get all sectors in segment_id
|
| 280 |
|
|
*/
|
| 281 |
|
|
if (format_code == 4 && (sector & 0x800000) && segment == segment_id) {
|
| 282 |
|
|
*map = EMPTY_SEGMENT;
|
| 283 |
|
|
count = 32;
|
| 284 |
|
|
} else {
|
| 285 |
|
|
*map = 0;
|
| 286 |
|
|
count = 0;
|
| 287 |
|
|
while (sector != 0 && segment == segment_id) {
|
| 288 |
|
|
*map |= cvt2map(sector);
|
| 289 |
|
|
sector = get_sector(ptr, forward);
|
| 290 |
|
|
segment = cvt2segment(sector);
|
| 291 |
|
|
++count;
|
| 292 |
|
|
}
|
| 293 |
|
|
}
|
| 294 |
|
|
*ptr = tmp_ptr;
|
| 295 |
|
|
return count;
|
| 296 |
|
|
}
|
| 297 |
|
|
|
| 298 |
|
|
int backwards_seek_entry(int segment_id, byte ** ptr, unsigned long *map)
|
| 299 |
|
|
{
|
| 300 |
|
|
unsigned long sector;
|
| 301 |
|
|
int segment;
|
| 302 |
|
|
int count;
|
| 303 |
|
|
|
| 304 |
|
|
*map = 0;
|
| 305 |
|
|
if (*ptr > bad_sector_map) {
|
| 306 |
|
|
do {
|
| 307 |
|
|
sector = get_sector(ptr, backward);
|
| 308 |
|
|
segment = cvt2segment(sector);
|
| 309 |
|
|
} while (*ptr > bad_sector_map && segment > segment_id);
|
| 310 |
|
|
count = 0;
|
| 311 |
|
|
if (segment > segment_id) {
|
| 312 |
|
|
/* at start of list, no entry found */
|
| 313 |
|
|
} else if (segment < segment_id) {
|
| 314 |
|
|
/* before smaller entry, adjust for overshoot */
|
| 315 |
|
|
*ptr += 3;
|
| 316 |
|
|
} else {
|
| 317 |
|
|
/* get all sectors in segment_id */
|
| 318 |
|
|
if (format_code == 4 && (sector & 0x800000)) {
|
| 319 |
|
|
*map = EMPTY_SEGMENT;
|
| 320 |
|
|
count = 32;
|
| 321 |
|
|
} else {
|
| 322 |
|
|
do {
|
| 323 |
|
|
*map |= cvt2map(sector);
|
| 324 |
|
|
++count;
|
| 325 |
|
|
if (*ptr <= bad_sector_map) {
|
| 326 |
|
|
break;
|
| 327 |
|
|
}
|
| 328 |
|
|
sector = get_sector(ptr, backward);
|
| 329 |
|
|
segment = cvt2segment(sector);
|
| 330 |
|
|
} while (segment == segment_id);
|
| 331 |
|
|
if (segment < segment_id) {
|
| 332 |
|
|
*ptr += 3;
|
| 333 |
|
|
}
|
| 334 |
|
|
}
|
| 335 |
|
|
}
|
| 336 |
|
|
} else {
|
| 337 |
|
|
count = 0;
|
| 338 |
|
|
}
|
| 339 |
|
|
return count;
|
| 340 |
|
|
}
|
| 341 |
|
|
|
| 342 |
|
|
void put_bad_sector_entry(int segment_id, unsigned long new_map)
|
| 343 |
|
|
{
|
| 344 |
|
|
byte *ptr = bad_sector_map;
|
| 345 |
|
|
int count;
|
| 346 |
|
|
int new_count;
|
| 347 |
|
|
unsigned long map;
|
| 348 |
|
|
|
| 349 |
|
|
if (format_code == 3 || format_code == 4) {
|
| 350 |
|
|
count = forward_seek_entry(segment_id, &ptr, &map);
|
| 351 |
|
|
new_count = count_ones(new_map);
|
| 352 |
|
|
/* If format code == 4 put empty segment instead of 32 bad sectors.
|
| 353 |
|
|
*/
|
| 354 |
|
|
if (new_count == 32 && format_code == 4) {
|
| 355 |
|
|
new_count = 1;
|
| 356 |
|
|
}
|
| 357 |
|
|
if (count != new_count) {
|
| 358 |
|
|
/* insert (or delete if < 0) new_count - count entries.
|
| 359 |
|
|
* Move trailing part of list including terminating 0.
|
| 360 |
|
|
*/
|
| 361 |
|
|
byte *hi_ptr = ptr;
|
| 362 |
|
|
|
| 363 |
|
|
do {
|
| 364 |
|
|
} while (get_sector(&hi_ptr, forward) != 0);
|
| 365 |
|
|
memmove(ptr + new_count, ptr + count, hi_ptr - (ptr + count));
|
| 366 |
|
|
}
|
| 367 |
|
|
if (new_count == 1 && new_map == EMPTY_SEGMENT) {
|
| 368 |
|
|
put_sector(&ptr, 0x800001 + segment_id * SECTORS_PER_SEGMENT);
|
| 369 |
|
|
} else {
|
| 370 |
|
|
int i = 0;
|
| 371 |
|
|
|
| 372 |
|
|
while (new_map) {
|
| 373 |
|
|
if (new_map & 1) {
|
| 374 |
|
|
put_sector(&ptr, 1 + segment_id * SECTORS_PER_SEGMENT + i);
|
| 375 |
|
|
}
|
| 376 |
|
|
++i;
|
| 377 |
|
|
new_map >>= 1;
|
| 378 |
|
|
}
|
| 379 |
|
|
}
|
| 380 |
|
|
} else {
|
| 381 |
|
|
((unsigned long *) bad_sector_map)[segment_id] = new_map;
|
| 382 |
|
|
}
|
| 383 |
|
|
bad_sector_map_changed = 1;
|
| 384 |
|
|
}
|
| 385 |
|
|
|
| 386 |
|
|
unsigned long get_bad_sector_entry(int segment_id)
|
| 387 |
|
|
{
|
| 388 |
|
|
TRACE_FUN(8, "get_bad_sector_entry");
|
| 389 |
|
|
static unsigned long map = 0;
|
| 390 |
|
|
|
| 391 |
|
|
if (used_header_segment == -1) {
|
| 392 |
|
|
/* When reading header segment we'll need a blank map.
|
| 393 |
|
|
*/
|
| 394 |
|
|
map = 0;
|
| 395 |
|
|
} else if (format_code == 3 || format_code == 4) {
|
| 396 |
|
|
/* Invariants:
|
| 397 |
|
|
* map - mask value returned on last call.
|
| 398 |
|
|
* ptr - points to first sector greater or equal to
|
| 399 |
|
|
* first sector in last_referenced segment.
|
| 400 |
|
|
* last_referenced - segment id used in the last call,
|
| 401 |
|
|
* sector and map belong to this id.
|
| 402 |
|
|
* This code is designed for sequential access and retries.
|
| 403 |
|
|
* For true random access it may have to be redesigned.
|
| 404 |
|
|
*/
|
| 405 |
|
|
static int last_reference = -1;
|
| 406 |
|
|
static byte *ptr = bad_sector_map;
|
| 407 |
|
|
|
| 408 |
|
|
if (segment_id > last_reference) {
|
| 409 |
|
|
/* Skip all sectors before segment_id
|
| 410 |
|
|
*/
|
| 411 |
|
|
forward_seek_entry(segment_id, &ptr, &map);
|
| 412 |
|
|
} else if (segment_id < last_reference) {
|
| 413 |
|
|
/* Skip backwards until begin of buffer or first sector in segment_id
|
| 414 |
|
|
*/
|
| 415 |
|
|
backwards_seek_entry(segment_id, &ptr, &map);
|
| 416 |
|
|
} /* segment_id == last_reference : keep map */
|
| 417 |
|
|
last_reference = segment_id;
|
| 418 |
|
|
} else {
|
| 419 |
|
|
map = ((unsigned long *) bad_sector_map)[segment_id];
|
| 420 |
|
|
}
|
| 421 |
|
|
TRACE_EXIT;
|
| 422 |
|
|
return map;
|
| 423 |
|
|
}
|
| 424 |
|
|
|
| 425 |
|
|
void ftape_init_bsm(void)
|
| 426 |
|
|
{
|
| 427 |
|
|
memset(bad_sector_map, 0, sizeof(bad_sector_map));
|
| 428 |
|
|
}
|
