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-rw-r--r--ubi-utils/src/bin2nand.c346
1 files changed, 346 insertions, 0 deletions
diff --git a/ubi-utils/src/bin2nand.c b/ubi-utils/src/bin2nand.c
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+++ b/ubi-utils/src/bin2nand.c
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+/*
+ * 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)
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#include "error.h"
+#include "config.h"
+#include "nandecc.h"
+
+#define PROGRAM_VERSION "1.6"
+
+#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\tBuilt on "
+ BUILD_CPU" "BUILD_OS" at "__DATE__" "__TIME__"\n"
+ "\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=<num> Padding in Byte/Mi/ki. Default = no padding\n"
+" -p, --pagesize=<num> Pagesize in Byte/Mi/ki. Default = 2048\n"
+" -o, --output=<fname> Output filename. Interleaved Data/OOB if\n"
+" output-oob not specified.\n"
+" -q, --output-oob=<fname> 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 <num>] [-p <num>] [-o <fname>] [-q <fname>]\n"
+" [--copyright] [--padding=<num>] [--pagesize=<num>]\n"
+" [--output=<fname>] [--output-oob=<fname>] [--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 = "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}
+};
+
+static const char copyright [] __attribute__((unused)) =
+ "Copyright IBM Corp. 2006";
+
+typedef struct myargs {
+ action_t action;
+
+ size_t pagesize;
+ size_t padding;
+
+ FILE* fp_in;
+ char *file_out_data; /* Either: Data and OOB interleaved
+ or plain data */
+ char *file_out_oob; /* OOB Data only. */
+
+ /* special stuff needed to get additional arguments */
+ char *arg1;
+ char **options; /* [STRING...] */
+} myargs;
+
+
+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, myargs *args)
+{
+ char* endp;
+
+ while (1) {
+ int key;
+
+ key = getopt_long(argc, argv, "cj: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 '?': /* help */
+ printf("%s", doc);
+ printf("%s", 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++]);
+ }
+ }
+
+ return 0;
+}
+
+static int
+process_page(uint8_t* buf, size_t pagesize,
+ FILE *fp_data, FILE* fp_oob, size_t* written)
+{
+ int eccpoi, oobsize;
+ size_t i;
+ uint8_t oobbuf[64];
+
+ memset(oobbuf, 0xff, sizeof(oobbuf));
+
+ switch(pagesize) {
+ case 2048: oobsize = 64; eccpoi = 64 / 2; break;
+ case 512: oobsize = 16; eccpoi = 16 / 2; break;
+ default:
+ err_msg("Unsupported page size: %d\n", pagesize);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < pagesize; i += 256, eccpoi += 3) {
+ oobbuf[eccpoi++] = 0x0;
+ /* Calculate ECC */
+ nand_calculate_ecc(&buf[i], &oobbuf[eccpoi]);
+ }
+
+ /* write data */
+ *written += fwrite(buf, 1, pagesize, fp_data);
+
+ /* either separate oob or interleave with data */
+ if (fp_oob) {
+ fwrite(oobbuf, 1, oobsize, fp_oob);
+ if (ferror(fp_oob)) {
+ err_msg("IO error\n");
+ return -EIO;
+ }
+ }
+ else {
+ fwrite(oobbuf, 1, 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;
+ myargs args = {
+ .action = ACT_NORMAL,
+ .pagesize = PAGESIZE,
+ .padding = PADDING,
+ .fp_in = NULL,
+ .file_out_data = NULL,
+ .file_out_oob = NULL,
+ };
+
+ 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(buf, args.pagesize, fp_out_data,
+ fp_out_oob, &written);
+ if (res != 0)
+ goto err;
+ }
+
+ while (written < args.padding) {
+ memset(buf, 0xff, args.pagesize);
+ res = process_page(buf, args.pagesize, 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;
+}
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