/*---------------------------------------------------*/ static void BZ2_bzCompressInit(bz_stream *strm, int blockSize100k) { int32_t n; EState* s; s = xzalloc(sizeof(EState)); s->strm = strm; n = 100000 * blockSize100k; s->arr1 = xmalloc(n * sizeof(uint32_t)); s->mtfv = (uint16_t*)s->arr1; s->ptr = (uint32_t*)s->arr1; s->arr2 = xmalloc((n + BZ_N_OVERSHOOT) * sizeof(uint32_t)); s->block = (uint8_t*)s->arr2; s->ftab = xmalloc(65537 * sizeof(uint32_t)); s->crc32table = crc32_filltable(NULL, 1); s->state = BZ_S_INPUT; s->mode = BZ_M_RUNNING; s->blockSize100k = blockSize100k; s->nblockMAX = n - 19; strm->state = s; /*strm->total_in = 0;*/ strm->total_out = 0; init_RL(s); prepare_new_block(s); }
int flash_eraseall_main(int argc UNUSED_PARAM, char **argv) { struct jffs2_unknown_node cleanmarker; mtd_info_t meminfo; int fd, clmpos, clmlen; erase_info_t erase; struct stat st; unsigned int flags; char *mtd_name; opt_complementary = "=1"; flags = BBTEST | getopt32(argv, "jq"); mtd_name = argv[optind]; fd = xopen(mtd_name, O_RDWR); fstat(fd, &st); if (!S_ISCHR(st.st_mode)) bb_error_msg_and_die("%s: not a char device", mtd_name); xioctl(fd, MEMGETINFO, &meminfo); erase.length = meminfo.erasesize; if (meminfo.type == MTD_NANDFLASH) flags |= IS_NAND; clmpos = 0; clmlen = 8; if (flags & OPTION_J) { uint32_t *crc32_table; crc32_table = crc32_filltable(NULL, 0); cleanmarker.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK); cleanmarker.nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER); if (!(flags & IS_NAND)) cleanmarker.totlen = cpu_to_je32(sizeof(struct jffs2_unknown_node)); else { struct nand_oobinfo oobinfo; xioctl(fd, MEMGETOOBSEL, &oobinfo); /* Check for autoplacement */ if (oobinfo.useecc == MTD_NANDECC_AUTOPLACE) { /* Get the position of the free bytes */ clmpos = oobinfo.oobfree[0][0]; clmlen = oobinfo.oobfree[0][1]; if (clmlen > 8) clmlen = 8; if (clmlen == 0) bb_error_msg_and_die("autoplacement selected and no empty space in oob"); } else { /* Legacy mode */ switch (meminfo.oobsize) { case 8: clmpos = 6; clmlen = 2; break; case 16: clmpos = 8; /*clmlen = 8;*/ break; case 64: clmpos = 16; /*clmlen = 8;*/ break; } } cleanmarker.totlen = cpu_to_je32(8); } cleanmarker.hdr_crc = cpu_to_je32( crc32_block_endian0(0, &cleanmarker, sizeof(struct jffs2_unknown_node) - 4, crc32_table) ); } /* Don't want to destroy progress indicator by bb_error_msg's */ applet_name = xasprintf("\n%s: %s", applet_name, mtd_name); for (erase.start = 0; erase.start < meminfo.size; erase.start += meminfo.erasesize) { if (flags & BBTEST) { int ret; loff_t offset = erase.start; ret = ioctl(fd, MEMGETBADBLOCK, &offset); if (ret > 0) { if (!(flags & OPTION_Q)) bb_info_msg("\nSkipping bad block at 0x%08x", erase.start); continue; } if (ret < 0) { /* Black block table is not available on certain flash * types e.g. NOR */ if (errno == EOPNOTSUPP) { flags &= ~BBTEST; if (flags & IS_NAND) bb_error_msg_and_die("bad block check not available"); } else { bb_perror_msg_and_die("MEMGETBADBLOCK error"); } } } if (!(flags & OPTION_Q)) show_progress(&meminfo, &erase); xioctl(fd, MEMERASE, &erase); /* format for JFFS2 ? */ if (!(flags & OPTION_J)) continue; /* write cleanmarker */ if (flags & IS_NAND) { struct mtd_oob_buf oob; oob.ptr = (unsigned char *) &cleanmarker; oob.start = erase.start + clmpos; oob.length = clmlen; xioctl(fd, MEMWRITEOOB, &oob); } else { xlseek(fd, erase.start, SEEK_SET); /* if (lseek(fd, erase.start, SEEK_SET) < 0) { bb_perror_msg("MTD %s failure", "seek"); continue; } */ xwrite(fd, &cleanmarker, sizeof(cleanmarker)); /* if (write(fd, &cleanmarker, sizeof(cleanmarker)) != sizeof(cleanmarker)) { bb_perror_msg("MTD %s failure", "write"); continue; } */ } if (!(flags & OPTION_Q)) printf(" Cleanmarker written at %x.", erase.start); } if (!(flags & OPTION_Q)) { show_progress(&meminfo, &erase); bb_putchar('\n'); } if (ENABLE_FEATURE_CLEAN_UP) close(fd); return EXIT_SUCCESS; }
static int check_gpt_label(void) { struct partition *first = pt_offset(MBRbuffer, 0); struct pte pe; uint32_t crc; /* LBA 0 contains the legacy MBR */ if (!valid_part_table_flag(MBRbuffer) || first->sys_ind != LEGACY_GPT_TYPE ) { current_label_type = 0; return 0; } /* LBA 1 contains the GPT header */ read_pte(&pe, 1); gpt_hdr = (void *)pe.sectorbuffer; if (gpt_hdr->magic != SWAP_LE64(GPT_MAGIC)) { current_label_type = 0; return 0; } if (!global_crc32_table) { global_crc32_table = crc32_filltable(NULL, 0); } crc = SWAP_LE32(gpt_hdr->hdr_crc32); gpt_hdr->hdr_crc32 = 0; if (gpt_crc32(gpt_hdr, SWAP_LE32(gpt_hdr->hdr_size)) != crc) { /* FIXME: read the backup table */ puts("\nwarning: GPT header CRC is invalid\n"); } n_parts = SWAP_LE32(gpt_hdr->n_parts); part_entry_len = SWAP_LE32(gpt_hdr->part_entry_len); if (n_parts > GPT_MAX_PARTS || part_entry_len > GPT_MAX_PART_ENTRY_LEN || SWAP_LE32(gpt_hdr->hdr_size) > sector_size ) { puts("\nwarning: unable to parse GPT disklabel\n"); current_label_type = 0; return 0; } part_array_len = n_parts * part_entry_len; part_array = xmalloc(part_array_len); seek_sector(SWAP_LE64(gpt_hdr->first_part_lba)); if (full_read(dev_fd, part_array, part_array_len) != part_array_len) { fdisk_fatal(unable_to_read); } if (gpt_crc32(part_array, part_array_len) != gpt_hdr->part_array_crc32) { /* FIXME: read the backup table */ puts("\nwarning: GPT array CRC is invalid\n"); } puts("Found valid GPT with protective MBR; using GPT\n"); current_label_type = LABEL_GPT; return 1; }