Changeset 8c95dff in mainline for uspace/lib/gpt/libgpt.c
- Timestamp:
- 2013-11-30T17:49:09Z (12 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- f4a47e52
- Parents:
- 802898f
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/lib/gpt/libgpt.c
r802898f r8c95dff 49 49 #include <mem.h> 50 50 #include <sys/typefmt.h> 51 #include <mbr.h> 51 52 52 53 … … 112 113 } 113 114 115 /* Enter some sane defaults. */ 114 116 memset(gpt->header, 0, final_size); 117 memcpy(gpt->header->efi_signature, efi_signature, 8); 118 memcpy(gpt->header->revision, revision, 4); 119 gpt->header->header_size = host2uint32_t_le(final_size); 120 gpt->header->entry_lba = host2uint64_t_le((uint64_t) 2); 121 gpt->header->entry_size = host2uint32_t_le(sizeof(gpt_entry_t)); 122 115 123 116 124 return gpt; … … 207 215 uint64_t tmp; 208 216 217 gpt_set_random_uuid(label->gpt->header->disk_guid); 218 209 219 /* Prepare the backup header */ 210 220 label->gpt->header->alternate_lba = label->gpt->header->my_lba; … … 243 253 /* Write to main GPT header location */ 244 254 rc = block_write_direct(dev_handle, GPT_HDR_BA, GPT_HDR_BS, label->gpt->header); 255 if (rc != EOK) 256 return rc; 257 258 /* Write Protective MBR */ 259 br_block_t mbr; 260 memset(&mbr, 0, 512); 261 memset(mbr.pte[0].first_chs, 1, 3); 262 mbr.pte[0].ptype = 0xEE; 263 memset(mbr.pte[0].last_chs, 0xFF, 3); 264 mbr.pte[0].first_lba = host2uint32_t_le(1); 265 mbr.pte[0].length = 0xFFFFFFFF; 266 mbr.signature = host2uint16_t_le(BR_SIGNATURE); 267 268 rc = block_write_direct(dev_handle, 0, 1, &mbr); 245 269 block_fini(dev_handle); 246 270 if (rc != EOK) 247 271 return rc; 248 249 272 250 273 return 0; … … 343 366 int rc; 344 367 size_t b_size; 345 uint32_t e_size = uint32_t_le2host(label->gpt->header->entry_size);346 size_t fillries = label->parts->fill > GPT_MIN_PART_NUM ? label->parts->fill : GPT_MIN_PART_NUM;347 348 if (e_size != sizeof(gpt_entry_t))349 return ENOTSUP;350 368 351 369 /* comm_size of 4096 is ignored */ … … 363 381 goto fail; 364 382 383 /* When we're creating a new label from scratch, we need to fill 384 * the header with sensible defaults. */ 385 if (label->gpt == NULL) { 386 label->gpt = gpt_alloc_header(b_size); 387 } 388 389 printf("test1.0\n"); 390 uint32_t e_size = uint32_t_le2host(label->gpt->header->entry_size); 391 printf("test1.025\n"); 392 size_t fillries = label->parts->fill > GPT_MIN_PART_NUM ? label->parts->fill : GPT_MIN_PART_NUM; 393 printf("test1.05\n"); 394 if (e_size != sizeof(gpt_entry_t)) 395 return ENOTSUP; 396 365 397 label->gpt->header->fillries = host2uint32_t_le(fillries); 366 398 uint64_t arr_blocks = (fillries * sizeof(gpt_entry_t)) / b_size; … … 368 400 label->gpt->header->first_usable_lba = host2uint64_t_le(gpt_space); 369 401 label->gpt->header->last_usable_lba = host2uint64_t_le(n_blocks - gpt_space - 1); 370 402 printf("test1.5\n"); 371 403 /* Perform checks */ 372 404 gpt_part_foreach (label, p) { … … 395 427 } 396 428 } 397 429 printf("test1.6\n"); 398 430 label->gpt->header->pe_array_crc32 = host2uint32_t_le(compute_crc32( 399 431 (uint8_t *) label->parts->part_array, 400 432 fillries * e_size)); 401 433 402 434 printf("test1.7\n"); 403 435 /* Write to backup GPT partition array location */ 404 436 rc = block_write_direct(dev_handle, n_blocks - arr_blocks - 1, … … 406 438 if (rc != EOK) 407 439 goto fail; 408 440 printf("test1.8\n"); 409 441 /* Write to main GPT partition array location */ 410 442 rc = block_write_direct(dev_handle, uint64_t_le2host(label->gpt->header->entry_lba), … … 412 444 if (rc != EOK) 413 445 goto fail; 414 446 printf("test1.9\n"); 415 447 return gpt_write_header(label, dev_handle); 416 448 … … 594 626 595 627 for (i = 0; gpt_ptypes[i].guid != NULL; i++) { 628 //printf("%x =?= %x\n", p->part_type[3], get_byte(gpt_ptypes[i].guid +0)); 629 //printf("%x =?= %x\n", p->part_type[2], get_byte(gpt_ptypes[i].guid +2)); 630 //printf("%x =?= %x\n", p->part_type[1], get_byte(gpt_ptypes[i].guid +4)); 631 //printf("%x =?= %x\n", p->part_type[0], get_byte(gpt_ptypes[i].guid +6)); 632 //getchar(); 596 633 if (p->part_type[3] == get_byte(gpt_ptypes[i].guid +0) && 597 634 p->part_type[2] == get_byte(gpt_ptypes[i].guid +2) && … … 627 664 { 628 665 /* Beware: first 3 blocks are byteswapped! */ 629 p->part_type[3] = g pt_ptypes[type].guid[0];630 p->part_type[2] = g pt_ptypes[type].guid[1];631 p->part_type[1] = g pt_ptypes[type].guid[2];632 p->part_type[0] = g pt_ptypes[type].guid[3];633 634 p->part_type[5] = g pt_ptypes[type].guid[4];635 p->part_type[4] = g pt_ptypes[type].guid[5];636 637 p->part_type[7] = g pt_ptypes[type].guid[6];638 p->part_type[6] = g pt_ptypes[type].guid[7];639 640 p->part_type[8] = g pt_ptypes[type].guid[8];641 p->part_type[9] = g pt_ptypes[type].guid[9];642 p->part_type[10] = g pt_ptypes[type].guid[10];643 p->part_type[11] = g pt_ptypes[type].guid[11];644 p->part_type[12] = g pt_ptypes[type].guid[12];645 p->part_type[13] = g pt_ptypes[type].guid[13];646 p->part_type[14] = g pt_ptypes[type].guid[14];647 p->part_type[15] = g pt_ptypes[type].guid[15];666 p->part_type[3] = get_byte(gpt_ptypes[type].guid +0); 667 p->part_type[2] = get_byte(gpt_ptypes[type].guid +2); 668 p->part_type[1] = get_byte(gpt_ptypes[type].guid +4); 669 p->part_type[0] = get_byte(gpt_ptypes[type].guid +6); 670 671 p->part_type[5] = get_byte(gpt_ptypes[type].guid +8); 672 p->part_type[4] = get_byte(gpt_ptypes[type].guid +10); 673 674 p->part_type[7] = get_byte(gpt_ptypes[type].guid +12); 675 p->part_type[6] = get_byte(gpt_ptypes[type].guid +14); 676 677 p->part_type[8] = get_byte(gpt_ptypes[type].guid +16); 678 p->part_type[9] = get_byte(gpt_ptypes[type].guid +18); 679 p->part_type[10] = get_byte(gpt_ptypes[type].guid +20); 680 p->part_type[11] = get_byte(gpt_ptypes[type].guid +22); 681 p->part_type[12] = get_byte(gpt_ptypes[type].guid +24); 682 p->part_type[13] = get_byte(gpt_ptypes[type].guid +26); 683 p->part_type[14] = get_byte(gpt_ptypes[type].guid +28); 684 p->part_type[15] = get_byte(gpt_ptypes[type].guid +30); 648 685 } 649 686
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