sys/dev/ieee1394/fwcrom.c

   1 /*      $NetBSD: fwcrom.c,v 1.9 2009/03/18 17:06:49 cegger Exp $        */
   2 /*-
   3  * Copyright (c) 2002-2003
   4  *      Hidetoshi Shimokawa. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *
  17  *      This product includes software developed by Hidetoshi Shimokawa.
  18  *
  19  * 4. Neither the name of the author nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: fwcrom.c,v 1.9 2009/03/18 17:06:49 cegger Exp $");
  38 #ifdef __FreeBSD__
  39 __FBSDID("$FreeBSD: /repoman/r/ncvs/src/sys/dev/firewire/fwcrom.c,v 1.14 2006/02/04 21:37:39 imp Exp $");
  40 #endif
  41
  42 #if defined(__FreeBSD__)
  43 #include <sys/param.h>
  44
  45 #ifdef _BOOT
  46 #include <stand.h>
  47 #include <bootstrap.h>
  48 #else
  49 #if defined(_KERNEL) || defined(TEST)
  50 #include <sys/queue.h>
  51 #endif
  52 #ifdef _KERNEL
  53 #include <sys/systm.h>
  54 #include <sys/kernel.h>
  55 #else
  56 #include <netinet/in.h>
  57 #include <fcntl.h>
  58 #include <stdio.h>
  59 #include <err.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #endif
  63 #endif
  64
  65 #ifdef __DragonFly__
  66 #include "fw_port.h"
  67 #include "firewire.h"
  68 #include "iec13213.h"
  69 #else
  70 #include <dev/firewire/fw_port.h>
  71 #include <dev/firewire/firewire.h>
  72 #include <dev/firewire/iec13213.h>
  73 #endif
  74 #elif defined(__NetBSD__)
  75 #include <sys/param.h>
  76 #ifdef _KERNEL
  77 #include <sys/device.h>
  78 #include <sys/errno.h>
  79 #include <sys/systm.h>
  80 #else
  81 #include <stdio.h>
  82 #include <string.h>
  83 #endif
  84 #include <dev/ieee1394/fw_port.h>
  85 #include <dev/ieee1394/firewire.h>
  86 #include <dev/ieee1394/iec13213.h>
  87 #endif
  88
  89 #define MAX_ROM (1024 - sizeof(uint32_t) * 5)
  90 #define CROM_END(cc) ((char *)(cc)->stack[0].dir + MAX_ROM - 1)
  91
  92 void
  93 crom_init_context(struct crom_context *cc, uint32_t *p)
  94 {
  95         struct csrhdr *hdr;
  96
  97         hdr = (struct csrhdr *)p;
  98         if (hdr->info_len <= 1) {
  99                 /* minimum or invalid ROM */
 100                 cc->depth = -1;
 101                 return;
 102         }
 103         p += 1 + hdr->info_len;
 104
 105         /* check size of root directory */
 106         if (((struct csrdirectory *)p)->crc_len == 0) {
 107                 cc->depth = -1;
 108                 return;
 109         }
 110         cc->depth = 0;
 111         cc->stack[0].dir = (struct csrdirectory *)p;
 112         cc->stack[0].index = 0;
 113 }
 114
 115 struct csrreg *
 116 crom_get(struct crom_context *cc)
 117 {
 118         struct crom_ptr *ptr;
 119
 120         ptr = &cc->stack[cc->depth];
 121         return (&ptr->dir->entry[ptr->index]);
 122 }
 123
 124 void
 125 crom_next(struct crom_context *cc)
 126 {
 127         struct crom_ptr *ptr;
 128         struct csrreg *reg;
 129
 130         if (cc->depth < 0)
 131                 return;
 132         reg = crom_get(cc);
 133         if ((reg->key & CSRTYPE_MASK) == CSRTYPE_D) {
 134                 if (cc->depth >= CROM_MAX_DEPTH) {
 135                         printf("crom_next: too deep\n");
 136                         goto again;
 137                 }
 138                 cc->depth ++;
 139
 140                 ptr = &cc->stack[cc->depth];
 141                 ptr->dir = (struct csrdirectory *) (reg + reg->val);
 142                 ptr->index = 0;
 143                 goto check;
 144         }
 145 again:
 146         ptr = &cc->stack[cc->depth];
 147         ptr->index ++;
 148 check:
 149         if (ptr->index < ptr->dir->crc_len &&
 150                         (char *)crom_get(cc) <= CROM_END(cc))
 151                 return;
 152
 153         if (ptr->index < ptr->dir->crc_len)
 154                 printf("crom_next: bound check failed\n");
 155
 156         if (cc->depth > 0) {
 157                 cc->depth--;
 158                 goto again;
 159         }
 160         /* no more data */
 161         cc->depth = -1;
 162 }
 163
 164
 165 struct csrreg *
 166 crom_search_key(struct crom_context *cc, uint8_t key)
 167 {
 168         struct csrreg *reg;
 169
 170         while(cc->depth >= 0) {
 171                 reg = crom_get(cc);
 172                 if (reg->key == key)
 173                         return reg;
 174                 crom_next(cc);
 175         }
 176         return NULL;
 177 }
 178
 179 int
 180 crom_has_specver(uint32_t *p, uint32_t spec, uint32_t ver)
 181 {
 182         struct csrreg *reg;
 183         struct crom_context c, *cc;
 184         int state = 0;
 185
 186         cc = &c;
 187         crom_init_context(cc, p);
 188         while(cc->depth >= 0) {
 189                 reg = crom_get(cc);
 190                 if (state == 0) {
 191                         if (reg->key == CSRKEY_SPEC && reg->val == spec)
 192                                 state = 1;
 193                         else
 194                                 state = 0;
 195                 } else {
 196                         if (reg->key == CSRKEY_VER && reg->val == ver)
 197                                 return 1;
 198                         else
 199                                 state = 0;
 200                 }
 201                 crom_next(cc);
 202         }
 203         return 0;
 204 }
 205
 206 void
 207 crom_parse_text(struct crom_context *cc, char *buf, int len)
 208 {
 209         struct csrreg *reg;
 210         struct csrtext *textleaf;
 211         uint32_t *bp;
 212         int i, qlen;
 213         static char *nullstr = (char *)&"(null)";
 214
 215         if (cc->depth < 0)
 216                 return;
 217
 218         reg = crom_get(cc);
 219         if (reg->key != CROM_TEXTLEAF ||
 220                         (char *)(reg + reg->val) > CROM_END(cc)) {
 221                 strncpy(buf, nullstr, len);
 222                 return;
 223         }
 224         textleaf = (struct csrtext *)(reg + reg->val);
 225
 226         if ((char *)textleaf + textleaf->crc_len > CROM_END(cc)) {
 227                 strncpy(buf, nullstr, len);
 228                 return;
 229         }
 230
 231         /* XXX should check spec and type */
 232
 233         bp = (uint32_t *)&buf[0];
 234         qlen = textleaf->crc_len - 2;
 235         if (len < qlen * 4)
 236                 qlen = len/4;
 237         for (i = 0; i < qlen; i ++)
 238                 *bp++ = ntohl(textleaf->text[i]);
 239         /* make sure to terminate the string */
 240         if (len <= qlen * 4)
 241                 buf[len - 1] = 0;
 242         else
 243                 buf[qlen * 4] = 0;
 244 }
 245
 246 uint16_t
 247 crom_crc(uint32_t *ptr, int len)
 248 {
 249         int i, shift;
 250         uint32_t data, sum, crc = 0;
 251
 252         for (i = 0; i < len; i++) {
 253                 data = ptr[i];
 254                 for (shift = 28; shift >= 0; shift -= 4) {
 255                         sum = ((crc >> 12) ^ (data >> shift)) & 0xf;
 256                         crc = (crc << 4) ^ (sum << 12) ^ (sum << 5) ^ sum;
 257                 }
 258                 crc &= 0xffff;
 259         }
 260         return((uint16_t) crc);
 261 }
 262
 263 #if !defined(_KERNEL) && !defined(_BOOT)
 264 static void
 265 crom_desc_specver(uint32_t spec, uint32_t ver, char *buf, int len)
 266 {
 267         const char *s = NULL;
 268
 269         if (spec == CSRVAL_ANSIT10 || spec == 0) {
 270                 switch (ver) {
 271                 case CSRVAL_T10SBP2:
 272                         s = "SBP-2";
 273                         break;
 274                 default:
 275                         if (spec != 0)
 276                                 s = "unknown ANSIT10";
 277                 }
 278         }
 279         if (spec == CSRVAL_1394TA || spec == 0) {
 280                 switch (ver) {
 281                 case CSR_PROTAVC:
 282                         s = "AV/C";
 283                         break;
 284                 case CSR_PROTCAL:
 285                         s = "CAL";
 286                         break;
 287                 case CSR_PROTEHS:
 288                         s = "EHS";
 289                         break;
 290                 case CSR_PROTHAVI:
 291                         s = "HAVi";
 292                         break;
 293                 case CSR_PROTCAM104:
 294                         s = "1394 Cam 1.04";
 295                         break;
 296                 case CSR_PROTCAM120:
 297                         s = "1394 Cam 1.20";
 298                         break;
 299                 case CSR_PROTCAM130:
 300                         s = "1394 Cam 1.30";
 301                         break;
 302                 case CSR_PROTDPP:
 303                         s = "1394 Direct print";
 304                         break;
 305                 case CSR_PROTIICP:
 306                         s = "Industrial & Instrument";
 307                         break;
 308                 default:
 309                         if (spec != 0)
 310                                 s = "unknown 1394TA";
 311                 }
 312         }
 313         if (s != NULL)
 314                 snprintf(buf, len, "%s", s);
 315 }
 316
 317 const char *
 318 crom_desc(struct crom_context *cc, char *buf, int len)
 319 {
 320         struct csrreg *reg;
 321         struct csrdirectory *dir;
 322         const char *desc;
 323         uint16_t crc;
 324
 325         reg = crom_get(cc);
 326         switch (reg->key & CSRTYPE_MASK) {
 327         case CSRTYPE_I:
 328 #if 0
 329                 len -= snprintf(buf, len, "%d", reg->val);
 330                 buf += strlen(buf);
 331 #else
 332                 *buf = '\0';
 333 #endif
 334                 break;
 335         case CSRTYPE_C:
 336                 len -= snprintf(buf, len, "offset=0x%04x(%d)",
 337                                                 reg->val, reg->val);
 338                 buf += strlen(buf);
 339                 break;
 340         case CSRTYPE_L:
 341                 /* XXX fall through */
 342         case CSRTYPE_D:
 343                 dir = (struct csrdirectory *) (reg + reg->val);
 344                 crc = crom_crc((uint32_t *)&dir->entry[0], dir->crc_len);
 345                 len -= snprintf(buf, len, "len=%d crc=0x%04x(%s) ",
 346                         dir->crc_len, dir->crc,
 347                         (crc == dir->crc) ? "OK" : "NG");
 348                 buf += strlen(buf);
 349         }
 350         switch (reg->key) {
 351         case 0x03:
 352                 desc = "module_vendor_ID";
 353                 break;
 354         case 0x04:
 355                 desc = "hardware_version";
 356                 break;
 357         case 0x0c:
 358                 desc = "node_capabilities";
 359                 break;
 360         case 0x12:
 361                 desc = "unit_spec_ID";
 362                 break;
 363         case 0x13:
 364                 desc = "unit_sw_version";
 365                 crom_desc_specver(0, reg->val, buf, len);
 366                 break;
 367         case 0x14:
 368                 desc = "logical_unit_number";
 369                 break;
 370         case 0x17:
 371                 desc = "model_ID";
 372                 break;
 373         case 0x38:
 374                 desc = "command_set_spec_ID";
 375                 break;
 376         case 0x39:
 377                 desc = "command_set";
 378                 break;
 379         case 0x3a:
 380                 desc = "unit_characteristics";
 381                 break;
 382         case 0x3b:
 383                 desc = "command_set_revision";
 384                 break;
 385         case 0x3c:
 386                 desc = "firmware_revision";
 387                 break;
 388         case 0x3d:
 389                 desc = "reconnect_timeout";
 390                 break;
 391         case 0x54:
 392                 desc = "management_agent";
 393                 break;
 394         case 0x81:
 395                 desc = "text_leaf";
 396                 crom_parse_text(cc, buf + strlen(buf), len);
 397                 break;
 398         case 0xd1:
 399                 desc = "unit_directory";
 400                 break;
 401         case 0xd4:
 402                 desc = "logical_unit_directory";
 403                 break;
 404         default:
 405                 desc = "unknown";
 406         }
 407         return desc;
 408 }
 409 #endif
 410
 411 #if defined(_KERNEL) || defined(_BOOT) || defined(TEST)
 412
 413 int
 414 crom_add_quad(struct crom_chunk *chunk, uint32_t entry)
 415 {
 416         int index;
 417
 418         index = chunk->data.crc_len;
 419         if (index >= CROM_MAX_CHUNK_LEN - 1) {
 420                 printf("too large chunk %d\n", index);
 421                 return(-1);
 422         }
 423         chunk->data.buf[index] = entry;
 424         chunk->data.crc_len++;
 425         return(index);
 426 }
 427
 428 int
 429 crom_add_entry(struct crom_chunk *chunk, int key, int val)
 430 {
 431         union {
 432                 struct csrreg reg;
 433                 uint32_t i;
 434         } foo;
 435
 436         foo.reg.key = key;
 437         foo.reg.val = val;
 438
 439         return(crom_add_quad(chunk, foo.i));
 440 }
 441
 442 int
 443 crom_add_chunk(struct crom_src *src, struct crom_chunk *parent,
 444                                 struct crom_chunk *child, int key)
 445 {
 446         int index;
 447
 448         if (parent == NULL) {
 449                 STAILQ_INSERT_TAIL(&src->chunk_list, child, link);
 450                 return(0);
 451         }
 452
 453         index = crom_add_entry(parent, key, 0);
 454         if (index < 0) {
 455                 return(-1);
 456         }
 457         child->ref_chunk = parent;
 458         child->ref_index = index;
 459         STAILQ_INSERT_TAIL(&src->chunk_list, child, link);
 460         return(index);
 461 }
 462
 463 #if defined(__FreeBSD__)
 464 #define MAX_TEXT ((CROM_MAX_CHUNK_LEN + 1) * 4 - sizeof(struct csrtext))
 465 #elif defined(__NetBSD__)
 466 #define MAX_TEXT (int)((CROM_MAX_CHUNK_LEN + 1) * 4 - sizeof(struct csrtext))
 467 #endif
 468 int
 469 crom_add_simple_text(struct crom_src *src, struct crom_chunk *parent,
 470                                 struct crom_chunk *chunk, const char *buf)
 471 {
 472         struct csrtext *tl;
 473         uint32_t *p;
 474         int len, i;
 475         char t[MAX_TEXT];
 476
 477         len = strlen(buf);
 478         if (len > MAX_TEXT) {
 479 #if defined(__DragonFly__) || __FreeBSD_version < 500000 || defined(__NetBSD__)
 480                 printf("text(%d) trancated to %d.\n", len, MAX_TEXT);
 481 #else
 482                 printf("text(%d) trancated to %td.\n", len, MAX_TEXT);
 483 #endif
 484                 len = MAX_TEXT;
 485         }
 486
 487         tl = (struct csrtext *) &chunk->data;
 488         tl->crc_len = howmany(sizeof(struct csrtext) + len, sizeof(uint32_t));
 489         tl->spec_id = 0;
 490         tl->spec_type = 0;
 491         tl->lang_id = 0;
 492         memset(&t[0], 0, roundup2(len, sizeof(uint32_t)));
 493         memcpy(&t[0], buf, len);
 494         p = (uint32_t *)&t[0];
 495         for (i = 0; i < howmany(len, sizeof(uint32_t)); i ++)
 496                 tl->text[i] = ntohl(*p++);
 497         return (crom_add_chunk(src, parent, chunk, CROM_TEXTLEAF));
 498 }
 499
 500 static int
 501 crom_copy(uint32_t *src, uint32_t *dst, int *offset, int len, int maxlen)
 502 {
 503         if (*offset + len > maxlen) {
 504                 printf("Config. ROM is too large for the buffer\n");
 505                 return(-1);
 506         }
 507         memcpy((char *)(dst + *offset), src, len * sizeof(uint32_t));
 508         *offset += len;
 509         return(0);
 510 }
 511
 512 int
 513 crom_load(struct crom_src *src, uint32_t *buf, int maxlen)
 514 {
 515         struct crom_chunk *chunk, *parent;
 516         struct csrhdr *hdr;
 517 #if defined(_KERNEL) || defined(_BOOT)
 518         uint32_t *ptr;
 519         int i;
 520 #endif
 521         int count, offset;
 522         int len;
 523
 524         offset = 0;
 525         /* Determine offset */
 526         STAILQ_FOREACH(chunk, &src->chunk_list, link) {
 527                 chunk->offset = offset;
 528                 /* Assume the offset of the parent is already known */
 529                 parent = chunk->ref_chunk;
 530                 if (parent != NULL) {
 531                         struct csrreg *reg;
 532                         reg = (struct csrreg *)
 533                                 &parent->data.buf[chunk->ref_index];
 534                         reg->val = offset -
 535                                 (parent->offset + 1 + chunk->ref_index);
 536                 }
 537                 offset += 1 + chunk->data.crc_len;
 538         }
 539
 540         /* Calculate CRC and dump to the buffer */
 541         len = 1 + src->hdr.info_len;
 542         count = 0;
 543         if (crom_copy((uint32_t *)&src->hdr, buf, &count, len, maxlen) < 0)
 544                 return(-1);
 545         STAILQ_FOREACH(chunk, &src->chunk_list, link) {
 546                 chunk->data.crc =
 547                         crom_crc(&chunk->data.buf[0], chunk->data.crc_len);
 548
 549                 len = 1 + chunk->data.crc_len;
 550                 if (crom_copy((uint32_t *)&chunk->data, buf,
 551                                         &count, len, maxlen) < 0)
 552                         return(-1);
 553         }
 554         hdr = (struct csrhdr *)buf;
 555         hdr->crc_len = count - 1;
 556         hdr->crc = crom_crc(&buf[1], hdr->crc_len);
 557
 558 #if defined(_KERNEL) || defined(_BOOT)
 559         /* byte swap */
 560         ptr = buf;
 561         for (i = 0; i < count; i ++) {
 562                 *ptr = htonl(*ptr);
 563                 ptr++;
 564         }
 565 #endif
 566
 567         return(count);
 568 }
 569 #endif
 570
 571 #ifdef TEST
 572 int
 573 main () {
 574         struct crom_src src;
 575         struct crom_chunk root,unit1,unit2,unit3;
 576         struct crom_chunk text1,text2,text3,text4,text5,text6,text7;
 577         uint32_t buf[256], *p;
 578         int i;
 579
 580         memset(&src, 0, sizeof(src));
 581         memset(&root, 0, sizeof(root));
 582         memset(&unit1, 0, sizeof(unit1));
 583         memset(&unit2, 0, sizeof(unit2));
 584         memset(&unit3, 0, sizeof(unit3));
 585         memset(&text1, 0, sizeof(text1));
 586         memset(&text2, 0, sizeof(text2));
 587         memset(&text3, 0, sizeof(text3));
 588         memset(&text3, 0, sizeof(text4));
 589         memset(&text3, 0, sizeof(text5));
 590         memset(&text3, 0, sizeof(text6));
 591         memset(&text3, 0, sizeof(text7));
 592         memset(buf, 0, sizeof(buf));
 593
 594         /* BUS info sample */
 595         src.hdr.info_len = 4;
 596         src.businfo.bus_name = CSR_BUS_NAME_IEEE1394;
 597         src.businfo.eui64.hi = 0x11223344;
 598         src.businfo.eui64.lo = 0x55667788;
 599         src.businfo.link_spd = FWSPD_S400;
 600         src.businfo.generation = 0;
 601         src.businfo.max_rom = MAXROM_4;
 602         src.businfo.max_rec = 10;
 603         src.businfo.cyc_clk_acc = 100;
 604         src.businfo.pmc = 0;
 605         src.businfo.bmc = 1;
 606         src.businfo.isc = 1;
 607         src.businfo.cmc = 1;
 608         src.businfo.irmc = 1;
 609         STAILQ_INIT(&src.chunk_list);
 610
 611         /* Root directory */
 612         crom_add_chunk(&src, NULL, &root, 0);
 613         crom_add_entry(&root, CSRKEY_NCAP, 0x123456);
 614         /* private company_id */
 615         crom_add_entry(&root, CSRKEY_VENDOR, 0xacde48);
 616
 617         crom_add_simple_text(&src, &root, &text1, OS_STR);
 618         crom_add_entry(&root, CSRKEY_HW, OS_VER);
 619         crom_add_simple_text(&src, &root, &text2, OS_VER_STR);
 620
 621         /* SBP unit directory */
 622         crom_add_chunk(&src, &root, &unit1, CROM_UDIR);
 623         crom_add_entry(&unit1, CSRKEY_SPEC, CSRVAL_ANSIT10);
 624         crom_add_entry(&unit1, CSRKEY_VER, CSRVAL_T10SBP2);
 625         crom_add_entry(&unit1, CSRKEY_COM_SPEC, CSRVAL_ANSIT10);
 626         crom_add_entry(&unit1, CSRKEY_COM_SET, CSRVAL_SCSI);
 627         /* management_agent */
 628         crom_add_entry(&unit1, CROM_MGM, 0x1000);
 629         crom_add_entry(&unit1, CSRKEY_UNIT_CH, (10<<8) | 8);
 630         /* Device type and LUN */
 631         crom_add_entry(&unit1, CROM_LUN, 0);
 632         crom_add_entry(&unit1, CSRKEY_MODEL, 1);
 633         crom_add_simple_text(&src, &unit1, &text3, "scsi_target");
 634
 635         /* RFC2734 IPv4 over IEEE1394 */
 636         crom_add_chunk(&src, &root, &unit2, CROM_UDIR);
 637         crom_add_entry(&unit2, CSRKEY_SPEC, CSRVAL_IETF);
 638         crom_add_simple_text(&src, &unit2, &text4, "IANA");
 639         crom_add_entry(&unit2, CSRKEY_VER, 1);
 640         crom_add_simple_text(&src, &unit2, &text5, "IPv4");
 641
 642         /* RFC3146 IPv6 over IEEE1394 */
 643         crom_add_chunk(&src, &root, &unit3, CROM_UDIR);
 644         crom_add_entry(&unit3, CSRKEY_SPEC, CSRVAL_IETF);
 645         crom_add_simple_text(&src, &unit3, &text6, "IANA");
 646         crom_add_entry(&unit3, CSRKEY_VER, 2);
 647         crom_add_simple_text(&src, &unit3, &text7, "IPv6");
 648
 649         crom_load(&src, buf, 256);
 650         p = buf;
 651 #define DUMP_FORMAT     "%08x %08x %08x %08x %08x %08x %08x %08x\n"
 652         for (i = 0; i < 256/8; i ++) {
 653                 printf(DUMP_FORMAT,
 654                         p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
 655                 p += 8;
 656         }
 657         return(0);
 658 }
 659 #endif