From c842430437cbf2e584994c8eba71bf29bab6cdfc Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Fri, 18 Jan 2008 14:01:04 +0200 Subject: ubi-utils: move various stuff to sort-me-out Signed-off-by: Artem Bityutskiy --- ubi-utils/src/bin2nand.c | 366 ----------------------------------- ubi-utils/src/nand2bin.c | 493 ----------------------------------------------- ubi-utils/src/nandcorr.c | 95 --------- ubi-utils/src/nandecc.c | 159 --------------- ubi-utils/src/nandecc.h | 29 --- 5 files changed, 1142 deletions(-) delete mode 100644 ubi-utils/src/bin2nand.c delete mode 100644 ubi-utils/src/nand2bin.c delete mode 100644 ubi-utils/src/nandcorr.c delete mode 100644 ubi-utils/src/nandecc.c delete mode 100644 ubi-utils/src/nandecc.h (limited to 'ubi-utils/src') diff --git a/ubi-utils/src/bin2nand.c b/ubi-utils/src/bin2nand.c deleted file mode 100644 index 83f50cc..0000000 --- a/ubi-utils/src/bin2nand.c +++ /dev/null @@ -1,366 +0,0 @@ -/* - * Copyright (c) International Business Machines Corp., 2007 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Author: Oliver Lohmann - */ - -/* - * Create a flashable NAND image from a binary image - * - * History: - * 1.0 Initial release (tglx) - * 1.1 Understands hex and dec input parameters (tglx) - * 1.2 Generates separated OOB data, if needed. (oloh) - * 1.3 Padds data/oob to a given size. (oloh) - * 1.4 Removed argp because we want to use uClibc. - * 1.5 Minor cleanup - * 1.6 Written variable not initialized (-j did not work) (haver) - * 1.7 Made NAND ECC layout configurable (haver) - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "error.h" -#include "config.h" -#include "nandecc.h" -#include "ecclayouts.h" - -#define PROGRAM_VERSION "1.7" - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) - -#define CHECK_ENDP(option, endp) do { \ - if (*endp) { \ - fprintf(stderr, \ - "Parse error option \'%s\'. " \ - "No correct numeric value.\n" \ - , option); \ - exit(EXIT_FAILURE); \ - } \ -} while(0) - -typedef enum action_t { - ACT_NORMAL = 0x00000001, -} action_t; - -#define PAGESIZE 2048 -#define PADDING 0 /* 0 means, do not adjust anything */ -#define BUFSIZE 4096 - -static char doc[] = "\nVersion: " PROGRAM_VERSION "\n" - "bin2nand - a tool for adding OOB information to a " - "binary input file.\n"; - -static const char *optionsstr = -" -c, --copyright Print copyright informatoin.\n" -" -j, --padding= Padding in Byte/Mi/ki. Default = no padding\n" -" -l, --ecc-placement= OOB placement scheme (default is IBM).\n" -" -p, --pagesize= Pagesize in Byte/Mi/ki. Default = 2048\n" -" -o, --output= Output filename. Interleaved Data/OOB if\n" -" output-oob not specified.\n" -" -q, --output-oob= Write OOB data in separate file.\n" -" -?, --help Give this help list\n" -" --usage Give a short usage message\n" -" -V, --version Print program version\n"; - -static const char *usage = -"Usage: bin2nand [-c?V] [-j ] [-p ] [-o ] [-q ]\n" -" [--copyright] [--padding=] [--pagesize=]\n" -" [--output=] [--output-oob=] [--help] [--usage]\n" -" [--version]\n"; - -struct option long_options[] = { - { .name = "copyright", .has_arg = 0, .flag = NULL, .val = 'c' }, - { .name = "padding", .has_arg = 1, .flag = NULL, .val = 'j' }, - { .name = "pagesize", .has_arg = 1, .flag = NULL, .val = 'p' }, - { .name = "output", .has_arg = 1, .flag = NULL, .val = 'o' }, - { .name = "output-oob", .has_arg = 1, .flag = NULL, .val = 'q' }, - { .name = "ecc-layout", .has_arg = 1, .flag = NULL, .val = 'l' }, - { .name = "help", .has_arg = 0, .flag = NULL, .val = '?' }, - { .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 }, - { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' }, - { NULL, 0, NULL, 0} -}; - -#define __unused __attribute__((unused)) -static const char copyright [] __unused = "Copyright IBM Corp. 2007"; - -struct args { - action_t action; - - size_t pagesize; - size_t oobsize; - size_t padding; - - FILE* fp_in; - const char *file_out_data; /* Either: Data and OOB interleaved - or plain data */ - const char *file_out_oob; /* OOB Data only. */ - struct nand_ecclayout *nand_oob; - - /* special stuff needed to get additional arguments */ - char *arg1; - char **options; /* [STRING...] */ -}; - - -static int ustrtoull(const char *cp, char **endp, unsigned int base) -{ - unsigned long long res = strtoull(cp, endp, base); - - switch (**endp) { - case 'G': - res *= 1024; - case 'M': - res *= 1024; - case 'k': - case 'K': - res *= 1024; - /* "Ki", "ki", "Mi" or "Gi" are to be used. */ - if ((*endp)[1] == 'i') - (*endp) += 2; - } - return res; -} - -static int -parse_opt(int argc, char **argv, struct args *args) -{ - const char *ecc_layout = NULL; - unsigned int i, oob_idx = 0; - char* endp; - - while (1) { - int key; - - key = getopt_long(argc, argv, "cj:l:p:o:q:?V", long_options, NULL); - if (key == -1) - break; - - switch (key) { - case 'p': /* pagesize */ - args->pagesize = (size_t) - ustrtoull(optarg, &endp, 0); - CHECK_ENDP("p", endp); - break; - case 'j': /* padding */ - args->padding = (size_t) - ustrtoull(optarg, &endp, 0); - CHECK_ENDP("j", endp); - break; - case 'o': /* output */ - args->file_out_data = optarg; - break; - case 'q': /* output oob */ - args->file_out_oob = optarg; - break; - case 'l': /* --ecc-layout=<...> */ - ecc_layout = optarg; - break; - case '?': /* help */ - printf("%s%s", doc, optionsstr); - exit(0); - break; - case 'V': - printf("%s\n", PROGRAM_VERSION); - exit(0); - break; - case 'c': - printf("%s\n", copyright); - exit(0); - default: - printf("%s", usage); - exit(-1); - } - } - - if (optind < argc) { - args->fp_in = fopen(argv[optind++], "rb"); - if ((args->fp_in) == NULL) { - err_quit("Cannot open file %s for input\n", - argv[optind++]); - } - } - - switch (args->pagesize) { - case 512: args->oobsize = 16; oob_idx = 0; break; - case 2048: args->oobsize = 64; oob_idx = 1; break; - default: - err_msg("Unsupported page size: %d\n", args->pagesize); - return -EINVAL; - } - - /* Figure out correct oob layout if it differs from default */ - if (ecc_layout) { - for (i = 0; i < ARRAY_SIZE(oob_placement); i++) - if (strcmp(ecc_layout, oob_placement[i].name) == 0) - args->nand_oob = - oob_placement[i].nand_oob[oob_idx]; - } - return 0; -} - -static int -process_page(struct args *args, uint8_t *buf, FILE *fp_data, FILE *fp_oob, - size_t *written) -{ - int eccpoi; - size_t i; - uint8_t oobbuf[64]; - uint8_t ecc_code[3] = { 0, }; /* temp */ - - /* Calculate ECC for each subpage of 256 bytes */ - memset(oobbuf, 0xff, sizeof(oobbuf)); - for (eccpoi = 0, i = 0; i < args->pagesize; i += 256, eccpoi += 3) { - int j; - nand_calculate_ecc(&buf[i], ecc_code); - for (j = 0; j < 3; j++) - oobbuf[args->nand_oob->eccpos[eccpoi + j]] = ecc_code[j]; - } - - /* write data */ - *written += fwrite(buf, 1, args->pagesize, fp_data); - - /* either separate oob or interleave with data */ - if (fp_oob) { - i = fwrite(oobbuf, 1, args->oobsize, fp_oob); - if (ferror(fp_oob)) { - err_msg("IO error\n"); - return -EIO; - } - } - else { - i = fwrite(oobbuf, 1, args->oobsize, fp_data); - if (ferror(fp_data)) { - err_msg("IO error\n"); - return -EIO; - } - } - - return 0; -} - -int main (int argc, char** argv) -{ - int rc = -1; - int res = 0; - size_t written = 0, read; - struct args args = { - .action = ACT_NORMAL, - .pagesize = PAGESIZE, - .padding = PADDING, - .fp_in = NULL, - .file_out_data = NULL, - .file_out_oob = NULL, - .nand_oob = &ibm_nand_oob_64, - }; - - FILE* fp_out_data = stdout; - FILE* fp_out_oob = NULL; - - parse_opt(argc, argv, &args); - - uint8_t* buf = calloc(1, BUFSIZE); - if (!buf) { - err_quit("Cannot allocate page buffer.\n"); - } - - if (!args.fp_in) { - err_msg("No input image specified!\n"); - goto err; - } - - if (args.file_out_data) { - fp_out_data = fopen(args.file_out_data, "wb"); - if (fp_out_data == NULL) { - err_sys("Cannot open file %s for output\n", - args.file_out_data); - goto err; - } - } - - if (args.file_out_oob) { - fp_out_oob = fopen(args.file_out_oob, "wb"); - if (fp_out_oob == NULL) { - err_sys("Cannot open file %s for output\n", - args.file_out_oob); - goto err; - } - } - - - while(1) { - read = fread(buf, 1, args.pagesize, args.fp_in); - if (feof(args.fp_in) && read == 0) - break; - - if (read < args.pagesize) { - err_msg("Image not page aligned\n"); - goto err; - } - - if (ferror(args.fp_in)) { - err_msg("Read error\n"); - goto err; - } - - res = process_page(&args, buf, fp_out_data, fp_out_oob, - &written); - if (res != 0) - goto err; - } - - while (written < args.padding) { - memset(buf, 0xff, args.pagesize); - res = process_page(&args, buf, fp_out_data, fp_out_oob, - &written); - if (res != 0) - goto err; - } - - rc = 0; -err: - free(buf); - - if (args.fp_in) - fclose(args.fp_in); - - if (fp_out_oob) - fclose(fp_out_oob); - - if (fp_out_data && fp_out_data != stdout) - fclose(fp_out_data); - - if (rc != 0) { - err_msg("Error during conversion. rc: %d\n", rc); - if (args.file_out_data) - remove(args.file_out_data); - if (args.file_out_oob) - remove(args.file_out_oob); - } - return rc; -} diff --git a/ubi-utils/src/nand2bin.c b/ubi-utils/src/nand2bin.c deleted file mode 100644 index 8c95b27..0000000 --- a/ubi-utils/src/nand2bin.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * Copyright (c) International Business Machines Corp., 2006, 2007 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Author: Frank Haverkamp - * - * An utility to decompose NAND images and strip OOB off. Not yet finished ... - * - * 1.2 Removed argp because we want to use uClibc. - * 1.3 Minor cleanup - * 1.4 Fixed OOB output file - * 1.5 Added verbose output and option to set blocksize. - * Added split block mode for more convenient analysis. - * 1.6 Fixed ECC error detection and correction. - * 1.7 Made NAND ECC layout configurable, the holes which were previously - * filled with 0x00 are untouched now and will be 0xff just like MTD - * behaves when writing the oob (haver) - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "config.h" -#include "nandecc.h" -#include "ecclayouts.h" - -#define PROGRAM_VERSION "1.7" - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) -#define MAXPATH 1024 -#define MIN(x,y) ((x)<(y)?(x):(y)) - -struct args { - const char *oob_file; - const char *output_file; - size_t pagesize; - size_t oobsize; - int bad_marker_offs_in_oob; - size_t blocksize; - int split_blocks; - size_t in_len; /* size of input file */ - int correct_ecc; - struct nand_ecclayout *nand_oob; - - /* special stuff needed to get additional arguments */ - char *arg1; - char **options; /* [STRING...] */ -}; - -static struct args myargs = { - .output_file = "data.bin", - .oob_file = "oob.bin", - .pagesize = 2048, - .blocksize = 128 * 1024, - .nand_oob = &ibm_nand_oob_64, - .in_len = 0, - .split_blocks = 0, - .correct_ecc = 0, - .arg1 = NULL, - .options = NULL, -}; - -static char doc[] = "\nVersion: " PROGRAM_VERSION "\n" - "nand2bin - split data and OOB.\n"; - -static const char *optionsstr = -" -l, --ecc-placement= OOB placement scheme (default is IBM).\n" -" -o, --output= Data output file\n" -" -O, --oob= OOB output file\n" -" -p, --pagesize= NAND pagesize\n" -" -b, --blocksize= NAND blocksize\n" -" -s, --split-blocks generate binaries for each block\n" -" -e, --correct-ecc Correct data according to ECC info\n" -" -v, --verbose verbose output\n" -" -?, --help Give this help list\n" -" --usage Give a short usage message\n"; - -static const char *usage = -"Usage: nand2bin [-?] [-o ] [-O ] [-p ]\n" -" [--output=] [--oob=] [--pagesize=] [--help]\n" -" [--usage] input.mif\n"; - -static int verbose = 0; - -static struct option long_options[] = { - { .name = "ecc-layout", .has_arg = 1, .flag = NULL, .val = 'l' }, - { .name = "output", .has_arg = 1, .flag = NULL, .val = 'o' }, - { .name = "oob", .has_arg = 1, .flag = NULL, .val = 'O' }, - { .name = "pagesize", .has_arg = 1, .flag = NULL, .val = 'p' }, - { .name = "blocksize", .has_arg = 1, .flag = NULL, .val = 'b' }, - { .name = "split-blocks", .has_arg = 0, .flag = NULL, .val = 's' }, - { .name = "correct-ecc", .has_arg = 0, .flag = NULL, .val = 'e' }, - { .name = "verbose", .has_arg = 0, .flag = NULL, .val = 'v' }, - { .name = "help", .has_arg = 0, .flag = NULL, .val = '?' }, - { .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 }, - { NULL, 0, NULL, 0} -}; - -/* - * str_to_num - Convert string into number and cope with endings like - * k, K, kib, KiB for kilobyte - * m, M, mib, MiB for megabyte - */ -static uint32_t str_to_num(char *str) -{ - char *s = str; - ulong num = strtoul(s, &s, 0); - - if (*s != '\0') { - if (strcmp(s, "KiB") == 0) - num *= 1024; - else if (strcmp(s, "MiB") == 0) - num *= 1024*1024; - else { - fprintf(stderr, "WARNING: Wrong number format " - "\"%s\", check your paramters!\n", str); - } - } - return num; -} - -/* - * @brief Parse the arguments passed into the test case. - * - * @param argc The number of arguments - * @param argv The argument list - * @param args Pointer to program args structure - * - * @return error - * - */ -static int parse_opt(int argc, char **argv, struct args *args) -{ - unsigned int i, oob_idx = 0; - const char *ecc_layout = NULL; - - while (1) { - int key; - - key = getopt_long(argc, argv, "b:el:o:O:p:sv?", long_options, NULL); - if (key == -1) - break; - - switch (key) { - case 'b': /* --blocksize */ - args->blocksize = str_to_num(optarg); - break; - case 'e': /* --correct-ecc */ - args->correct_ecc = 1; - break; - case 'l': /* --ecc-layout=<...> */ - ecc_layout = optarg; - break; - case 'o': /* --output= */ - args->output_file = optarg; - break; - case 'O': /* --oob= */ - args->oob_file = optarg; - break; - case 'p': /* --pagesize */ - args->pagesize = str_to_num(optarg); - break; - case 's': /* --split-blocks */ - args->split_blocks = 1; - break; - case 'v': /* --verbose */ - verbose++; - break; - case 'V': - printf("%s\n", PROGRAM_VERSION); - exit(0); - break; - case '?': /* help */ - printf("Usage: nand2bin [OPTION...] input.mif\n"); - printf("%s%s", doc, optionsstr); - printf("\nReport bugs to %s\n", - PACKAGE_BUGREPORT); - exit(0); - break; - default: - printf("%s", usage); - exit(-1); - } - } - - if (optind < argc) - args->arg1 = argv[optind++]; - - switch (args->pagesize) { - case 512: - args->oobsize = 16; - args->bad_marker_offs_in_oob = 5; - oob_idx = 0; - break; - case 2048: - args->oobsize = 64; - args->bad_marker_offs_in_oob = 0; - oob_idx = 1; - break; - default: - fprintf(stderr, "Unsupported page size: %d\n", args->pagesize); - return -EINVAL; - } - - /* Figure out correct oob layout if it differs from default */ - if (ecc_layout) { - for (i = 0; i < ARRAY_SIZE(oob_placement); i++) - if (strcmp(ecc_layout, oob_placement[i].name) == 0) - args->nand_oob = - oob_placement[i].nand_oob[oob_idx]; - } - return 0; -} - -/* - * We must only compare the relevant bytes in the OOB area. All other - * bytes can be ignored. The information we need to do this is in - * nand_oob. - */ -static int oob_cmp(struct nand_ecclayout *nand_oob, uint8_t *oob, - uint8_t *calc_oob) -{ - unsigned int i; - for (i = 0; i < nand_oob->eccbytes; i++) - if (oob[nand_oob->eccpos[i]] != calc_oob[nand_oob->eccpos[i]]) - return 1; - return 0; -} - -static inline void hexdump(FILE *fp, const uint8_t *buf, ssize_t size) -{ - int k; - - for (k = 0; k < size; k++) { - fprintf(fp, "%02x ", buf[k]); - if ((k & 15) == 15) - fprintf(fp, "\n"); - } -} - -static int process_page(struct args *args, uint8_t *buf, uint8_t *oobbuf) -{ - size_t i, j; - int eccpoi; - uint8_t ecc_code[3] = { 0, }; /* temp */ - - /* Calculate ECC */ - memset(oobbuf, 0xff, args->oobsize); - for (eccpoi = 0, i = 0; i < args->pagesize; i += 256, eccpoi += 3) { - nand_calculate_ecc(&buf[i], ecc_code); - for (j = 0; j < 3; j++) - oobbuf[args->nand_oob->eccpos[eccpoi + j]] = ecc_code[j]; - } - return 0; -} - -static int decompose_image(struct args *args, FILE *in_fp, - FILE *bin_fp, FILE *oob_fp) -{ - unsigned int i, eccpoi; - int read, rc, page = 0; - uint8_t *buf = malloc(args->pagesize); - uint8_t *oob = malloc(args->oobsize); - uint8_t *calc_oob = malloc(args->oobsize); - uint8_t *calc_buf = malloc(args->pagesize); - uint8_t *page_buf; - int pages_per_block = args->blocksize / args->pagesize; - int badpos = args->bad_marker_offs_in_oob; - uint8_t ecc_code[3] = { 0, }; /* temp */ - uint8_t calc_ecc_code[3] = { 0, }; /* temp */ - - if (!buf || !oob || !calc_oob || !calc_buf) - exit(EXIT_FAILURE); - - while (!feof(in_fp)) { - /* read page by page */ - read = fread(buf, 1, args->pagesize, in_fp); - if (ferror(in_fp)) { - fprintf(stderr, "I/O Error."); - exit(EXIT_FAILURE); - } - if (read != (ssize_t)args->pagesize) - break; - - read = fread(oob, 1, args->oobsize, in_fp); - if (ferror(in_fp)) { - fprintf(stderr, "I/O Error."); - exit(EXIT_FAILURE); - } - - page_buf = buf; /* default is unmodified data */ - - if ((page == 0 || page == 1) && (oob[badpos] != 0xff)) { - if (verbose) - printf("Block %d is bad\n", - page / pages_per_block); - goto write_data; - } - if (args->correct_ecc) - page_buf = calc_buf; - - process_page(args, buf, calc_oob); - memcpy(calc_buf, buf, args->pagesize); - - if (verbose && oob_cmp(args->nand_oob, oob, calc_oob) != 0) { - printf("\nECC compare mismatch found at block %d page %d!\n", - page / pages_per_block, page % pages_per_block); - - printf("Read out OOB Data:\n"); - hexdump(stdout, oob, args->oobsize); - - printf("Calculated OOB Data:\n"); - hexdump(stdout, calc_oob, args->oobsize); - } - - /* Do correction on subpage base */ - for (i = 0, eccpoi = 0; i < args->pagesize; i += 256, eccpoi += 3) { - int j; - - for (j = 0; j < 3; j++) { - ecc_code[j] = oob[args->nand_oob->eccpos[eccpoi + j]]; - calc_ecc_code[j] = - calc_oob[args->nand_oob->eccpos[eccpoi + j]]; - } - rc = nand_correct_data(calc_buf + i, ecc_code, - calc_ecc_code); - if (rc == -1) - fprintf(stdout, "Uncorrectable ECC error at " - "block %d page %d/%d\n", - page / pages_per_block, - page % pages_per_block, i / 256); - else if (rc > 0) - fprintf(stdout, "Correctable ECC error at " - "block %d page %d/%d\n", - page / pages_per_block, - page % pages_per_block, i / 256); - } - - write_data: - rc = fwrite(page_buf, 1, args->pagesize, bin_fp); - if (ferror(bin_fp)) { - fprintf(stderr, "I/O Error."); - exit(EXIT_FAILURE); - } - rc = fwrite(oob, 1, args->oobsize, oob_fp); - if (ferror(bin_fp)) { - fprintf(stderr, "I/O Error."); - exit(EXIT_FAILURE); - } - - page++; - } - free(calc_buf); - free(calc_oob); - free(oob); - free(buf); - return 0; -} - -static int split_blocks(struct args *args, FILE *in_fp) -{ - uint8_t *buf; - int pages_per_block = args->blocksize / args->pagesize; - int block_len = pages_per_block * (args->pagesize + args->oobsize); - int blocks = args->in_len / block_len; - char bname[256] = { 0, }; - int badpos = args->bad_marker_offs_in_oob; - int bad_blocks = 0, i, bad_block = 0; - ssize_t rc; - FILE *b; - - buf = malloc(block_len); - if (!buf) { - perror("Not enough memory"); - exit(EXIT_FAILURE); - } - - for (i = 0; i < blocks; i++) { - rc = fread(buf, 1, block_len, in_fp); - if (rc != block_len) { - fprintf(stderr, "cannot read enough data!\n"); - exit(EXIT_FAILURE); - } - - /* do block analysis */ - bad_block = 0; - if ((buf[args->pagesize + badpos] != 0xff) || - (buf[2 * args->pagesize + args->oobsize + badpos] != 0xff)) { - bad_blocks++; - bad_block = 1; - } - if ((verbose && bad_block) || (verbose > 1)) { - printf("-- (block %d oob of page 0 and 1)\n", i); - hexdump(stdout, buf + args->pagesize, args->oobsize); - printf("--\n"); - hexdump(stdout, buf + 2 * args->pagesize + - args->oobsize, args->oobsize); - } - - /* write complete block out */ - snprintf(bname, sizeof(bname) - 1, "%s.%d", args->arg1, i); - b = fopen(bname, "w+"); - if (!b) { - perror("Cannot open file"); - exit(EXIT_FAILURE); - } - rc = fwrite(buf, 1, block_len, b); - if (rc != block_len) { - fprintf(stderr, "could not write all data!\n"); - exit(EXIT_FAILURE); - } - fclose(b); - } - - free(buf); - if (bad_blocks || verbose) - fprintf(stderr, "%d blocks, %d bad blocks\n", - blocks, bad_blocks); - return 0; -} - -int -main(int argc, char *argv[]) -{ - FILE *in, *bin = NULL, *oob = NULL; - struct stat file_info; - - parse_opt(argc, argv, &myargs); - - if (!myargs.arg1) { - fprintf(stderr, "Please specify input file!\n"); - exit(EXIT_FAILURE); - } - - if (lstat(myargs.arg1, &file_info) != 0) { - perror("Cannot fetch file size from input file.\n"); - exit(EXIT_FAILURE); - } - myargs.in_len = file_info.st_size; - - in = fopen(myargs.arg1, "r"); - if (!in) { - perror("Cannot open file"); - exit(EXIT_FAILURE); - } - - if (myargs.split_blocks) { - split_blocks(&myargs, in); - goto out; - } - - bin = fopen(myargs.output_file, "w+"); - if (!bin) { - perror("Cannot open file"); - exit(EXIT_FAILURE); - } - oob = fopen(myargs.oob_file, "w+"); - if (!oob) { - perror("Cannot open file"); - exit(EXIT_FAILURE); - } - decompose_image(&myargs, in, bin, oob); - - out: - if (in) fclose(in); - if (bin) fclose(bin); - if (oob) fclose(oob); - exit(EXIT_SUCCESS); -} diff --git a/ubi-utils/src/nandcorr.c b/ubi-utils/src/nandcorr.c deleted file mode 100644 index caa07e2..0000000 --- a/ubi-utils/src/nandcorr.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Copyright (c) International Business Machines Corp., 2006 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * ECC algorithm for NAND FLASH. Detects and corrects 1 bit errors in - * a 256 bytes of data. - * - * Reimplement by Thomas Gleixner after staring long enough at the - * mess in drivers/mtd/nand/nandecc.c - * - */ - -#include "nandecc.h" - -static int countbits(uint32_t byte) -{ - int res = 0; - - for (;byte; byte >>= 1) - res += byte & 0x01; - return res; -} - -/** - * @dat: data which should be corrected - * @read_ecc: ecc information read from flash - * @calc_ecc: calculated ecc information from the data - * @return: number of corrected bytes - * or -1 when no correction is possible - */ -int nand_correct_data(uint8_t *dat, const uint8_t *read_ecc, - const uint8_t *calc_ecc) -{ - uint8_t s0, s1, s2; - - /* - * Do error detection - * - * Be careful, the index magic is due to a pointer to a - * uint32_t. - */ - s0 = calc_ecc[0] ^ read_ecc[0]; - s1 = calc_ecc[1] ^ read_ecc[1]; - s2 = calc_ecc[2] ^ read_ecc[2]; - - if ((s0 | s1 | s2) == 0) - return 0; - - /* Check for a single bit error */ - if( ((s0 ^ (s0 >> 1)) & 0x55) == 0x55 && - ((s1 ^ (s1 >> 1)) & 0x55) == 0x55 && - ((s2 ^ (s2 >> 1)) & 0x54) == 0x54) { - - uint32_t byteoffs, bitnum; - - byteoffs = (s1 << 0) & 0x80; - byteoffs |= (s1 << 1) & 0x40; - byteoffs |= (s1 << 2) & 0x20; - byteoffs |= (s1 << 3) & 0x10; - - byteoffs |= (s0 >> 4) & 0x08; - byteoffs |= (s0 >> 3) & 0x04; - byteoffs |= (s0 >> 2) & 0x02; - byteoffs |= (s0 >> 1) & 0x01; - - bitnum = (s2 >> 5) & 0x04; - bitnum |= (s2 >> 4) & 0x02; - bitnum |= (s2 >> 3) & 0x01; - - dat[byteoffs] ^= (1 << bitnum); - - return 1; - } - - if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1) - return 1; - - return -1; -} - diff --git a/ubi-utils/src/nandecc.c b/ubi-utils/src/nandecc.c deleted file mode 100644 index 71660ef..0000000 --- a/ubi-utils/src/nandecc.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * This file contains an ECC algorithm from Toshiba that detects and - * corrects 1 bit errors in a 256 byte block of data. - * - * drivers/mtd/nand/nand_ecc.c - * - * Copyright (C) 2000-2004 Steven J. Hill (sjhill@realitydiluted.com) - * Toshiba America Electronics Components, Inc. - * - * This file is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 or (at your option) any - * later version. - * - * This file is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this file; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * As a special exception, if other files instantiate templates or use - * macros or inline functions from these files, or you compile these - * files and link them with other works to produce a work based on these - * files, these files do not by themselves cause the resulting work to be - * covered by the GNU General Public License. However the source code for - * these files must still be made available in accordance with section (3) - * of the GNU General Public License. - * - * This exception does not invalidate any other reasons why a work based on - * this file might be covered by the GNU General Public License. - */ - -#include "nandecc.h" - -/* - * Pre-calculated 256-way 1 byte column parity - */ -static const uint8_t nand_ecc_precalc_table[] = { - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, - 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, - 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, - 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, - 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, - 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, - 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, - 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, - 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, - 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, - 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, - 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, - 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, - 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, - 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, - 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, - 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 -}; - -/** - * nand_trans_result - [GENERIC] create non-inverted ECC - * @reg2: line parity reg 2 - * @reg3: line parity reg 3 - * @ecc_code: ecc - * - * Creates non-inverted ECC code from line parity - */ -static void nand_trans_result(uint8_t reg2, uint8_t reg3, - uint8_t *ecc_code) -{ - uint8_t a, b, i, tmp1, tmp2; - - /* Initialize variables */ - a = b = 0x80; - tmp1 = tmp2 = 0; - - /* Calculate first ECC byte */ - for (i = 0; i < 4; i++) { - if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */ - tmp1 |= b; - b >>= 1; - if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */ - tmp1 |= b; - b >>= 1; - a >>= 1; - } - - /* Calculate second ECC byte */ - b = 0x80; - for (i = 0; i < 4; i++) { - if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */ - tmp2 |= b; - b >>= 1; - if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */ - tmp2 |= b; - b >>= 1; - a >>= 1; - } - - /* Store two of the ECC bytes */ - ecc_code[1] = tmp1; - ecc_code[0] = tmp2; -} - -/** - * nand_calculate_ecc - [NAND Interface] Calculate 3 byte ECC code for - * 256 byte block - * - * @dat: raw data - * @ecc_code: buffer for ECC - */ -int nand_calculate_ecc(const uint8_t *dat, uint8_t *ecc_code) -{ - uint8_t idx, reg1, reg2, reg3; - int j; - - /* Initialize variables */ - reg1 = reg2 = reg3 = 0; - ecc_code[0] = ecc_code[1] = ecc_code[2] = 0; - - /* Build up column parity */ - for(j = 0; j < 256; j++) { - - /* Get CP0 - CP5 from table */ - idx = nand_ecc_precalc_table[dat[j]]; - reg1 ^= (idx & 0x3f); - - /* All bit XOR = 1 ? */ - if (idx & 0x40) { - reg3 ^= (uint8_t) j; - reg2 ^= ~((uint8_t) j); - } - } - - /* Create non-inverted ECC code from line parity */ - nand_trans_result(reg2, reg3, ecc_code); - - /* Calculate final ECC code */ - ecc_code[0] = ~ecc_code[0]; - ecc_code[1] = ~ecc_code[1]; - ecc_code[2] = ((~reg1) << 2) | 0x03; - return 0; -} diff --git a/ubi-utils/src/nandecc.h b/ubi-utils/src/nandecc.h deleted file mode 100644 index bcf1982..0000000 --- a/ubi-utils/src/nandecc.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef _NAND_ECC_H -#define _NAND_ECC_H -/* - * Copyright (c) International Business Machines Corp., 2006 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * NAND ecc functions - */ - -#include - -int nand_calculate_ecc(const uint8_t *dat, uint8_t *ecc_code); -int nand_correct_data(uint8_t *dat, const uint8_t *read_ecc, - const uint8_t *calc_ecc); - -#endif -- cgit v1.2.3