[MTD] UBI: Removed automake, autoconf, added ubi userspace headers.

Signed-off-by: Frank Haverkamp <haver@vnet.ibm.com>

1 files changed, 328 insertions, 0 deletions

diff --git a/ubi-utils/src/nand2bin.c b/ubi-utils/src/nand2bin.c
new file mode 100644
index 0000000..a5e8bca
--- /dev/null
+++ b/ubi-utils/src/nand2bin.c
@@ -0,0 +1,328 @@
+/*
+ * 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.
+ *
+ * Author: Frank Haverkamp
+ *
+ * An utility to decompose NAND images and strip OOB off. Not yet finished ...
+ */
+#include <config.h>
+#include <argp.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "config.h"
+#include "nandecc.h"
+
+#define MAXPATH		1024
+#define MIN(x,y)	((x)<(y)?(x):(y))
+
+struct args {
+	const char *oob_file;
+	const char *output_file;
+	size_t pagesize;
+
+	/* 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,
+	.arg1 = NULL,
+	.options = NULL,
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state);
+
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+
+static char doc[] = "\nVersion: " PACKAGE_VERSION "\n\t"
+	BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
+	"\nSplit data and OOB.\n";
+
+static struct argp_option options[] = {
+	{ .name = "pagesize",
+	  .key = 'p',
+	  .arg = "<pagesize>",
+	  .flags = 0,
+	  .doc = "NAND pagesize",
+	  .group = OPTION_ARG_OPTIONAL },
+
+	{ .name = "output",
+	  .key = 'o',
+	  .arg = "<output>",
+	  .flags = 0,
+	  .doc = "Data output file",
+	  .group = OPTION_ARG_OPTIONAL },
+
+	{ .name = "oob",
+	  .key = 'O',
+	  .arg = "<oob>",
+	  .flags = 0,
+	  .doc = "OOB output file",
+	  .group = OPTION_ARG_OPTIONAL },
+
+	{ .name = NULL, .key = 0, .arg = NULL, .flags = 0,
+	  .doc = NULL, .group = 0 },
+};
+
+static struct argp argp = {
+	.options = options,
+	.parser = parse_opt,
+	.args_doc = "input.mif",
+	.doc =	doc,
+	.children = NULL,
+	.help_filter = NULL,
+	.argp_domain = NULL,
+};
+
+/*
+ * str_to_num - Convert string into number and cope with endings like
+ *              k, K, kib, KiB for kilobyte
+ *              m, M, mib, MiB for megabyte
+ */
+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 key            The parameter.
+ * @param arg            Argument passed to parameter.
+ * @param state          Location to put information on parameters.
+ *
+ * @return error
+ *
+ * Get the `input' argument from `argp_parse', which we know is a
+ * pointer to our arguments structure.
+ */
+static error_t
+parse_opt(int key, char *arg, struct argp_state *state)
+{
+	struct args *args = state->input;
+
+	switch (key) {
+	case 'p': /* --pagesize<pagesize> */
+		args->pagesize = str_to_num(arg);		break;
+
+	case 'o': /* --output=<output.bin> */
+		args->output_file = arg;
+		break;
+
+	case 'O': /* --oob=<oob.bin> */
+		args->output_file = arg;
+		break;
+
+	case ARGP_KEY_NO_ARGS:
+		/* argp_usage(state); */
+		break;
+
+	case ARGP_KEY_ARG:
+		args->arg1 = arg;
+		/* Now we consume all the rest of the arguments.
+                   `state->next' is the index in `state->argv' of the
+                   next argument to be parsed, which is the first STRING
+                   we're interested in, so we can just use
+                   `&state->argv[state->next]' as the value for
+                   arguments->strings.
+
+                   _In addition_, by setting `state->next' to the end
+                   of the arguments, we can force argp to stop parsing here and
+                   return. */
+
+		args->options = &state->argv[state->next];
+		state->next = state->argc;
+		break;
+
+	case ARGP_KEY_END:
+		/* argp_usage(state); */
+		break;
+
+	default:
+		return(ARGP_ERR_UNKNOWN);
+	}
+
+	return 0;
+}
+
+static int calc_oobsize(size_t pagesize)
+{
+	switch (pagesize) {
+	case 512:  return 16;
+	case 2048: return 64;
+	default:
+		exit(EXIT_FAILURE);
+	}
+	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(uint8_t* buf, uint8_t *oobbuf, size_t pagesize)
+{
+	int eccpoi, oobsize;
+	size_t i;
+
+	switch (pagesize) {
+	case 2048: oobsize = 64; eccpoi = 64 / 2; break;
+	case 512:  oobsize = 16; eccpoi = 16 / 2; break;
+	default:
+		fprintf(stderr, "Unsupported page size: %d\n", pagesize);
+		return -EINVAL;
+	}
+	memset(oobbuf, 0xff, oobsize);
+
+	for (i = 0; i < pagesize; i += 256, eccpoi += 3) {
+		oobbuf[eccpoi++] = 0x0;
+		/* Calculate ECC */
+		nand_calculate_ecc(&buf[i], &oobbuf[eccpoi]);
+	}
+	return 0;
+}
+
+static int decompose_image(FILE *in_fp, FILE *bin_fp, FILE *oob_fp,
+			   size_t pagesize)
+{
+	int read, rc, page = 0;
+	size_t oobsize = calc_oobsize(pagesize);
+	uint8_t *buf = malloc(pagesize);
+	uint8_t *oob = malloc(oobsize);
+	uint8_t *calc_oob = malloc(oobsize);
+	uint8_t *calc_buf = malloc(pagesize);
+
+	if (!buf)
+		exit(EXIT_FAILURE);
+	if (!oob)
+		exit(EXIT_FAILURE);
+	if (!calc_oob)
+		exit(EXIT_FAILURE);
+	if (!calc_buf)
+		exit(EXIT_FAILURE);
+
+	while (!feof(in_fp)) {
+		read = fread(buf, 1, pagesize, in_fp);
+		if (ferror(in_fp)) {
+			fprintf(stderr, "I/O Error.");
+			exit(EXIT_FAILURE);
+		}
+		rc = fwrite(buf, 1, pagesize, bin_fp);
+		if (ferror(bin_fp)) {
+			fprintf(stderr, "I/O Error.");
+			exit(EXIT_FAILURE);
+		}
+		read = fread(oob, 1, oobsize, in_fp);
+		if (ferror(in_fp)) {
+			fprintf(stderr, "I/O Error.");
+			exit(EXIT_FAILURE);
+		}
+		rc = fwrite(oob, 1, oobsize, oob_fp);
+		if (ferror(bin_fp)) {
+			fprintf(stderr, "I/O Error.");
+			exit(EXIT_FAILURE);
+		}
+		process_page(buf, calc_oob, pagesize);
+
+		memcpy(calc_buf, buf, pagesize);
+
+		rc = nand_correct_data(calc_buf, oob);
+		if ((rc != -1) || (memcmp(buf, calc_buf, pagesize) != 0)) {
+			fprintf(stdout, "Page %d: data does not match!\n",
+				page);
+		}
+		page++;
+	}
+	free(calc_buf);
+	free(calc_oob);
+	free(oob);
+	free(buf);
+	return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+	FILE *in, *bin, *oob;
+
+	argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, &myargs);
+
+	if (!myargs.arg1) {
+		fprintf(stderr, "Please specify input file!\n");
+		exit(EXIT_FAILURE);
+	}
+
+	in = fopen(myargs.arg1, "r");
+	if (!in) {
+		perror("Cannot open file");
+		exit(EXIT_FAILURE);
+	}
+	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(in, bin, oob, myargs.pagesize);
+
+	fclose(in);
+	fclose(bin);
+	fclose(oob);
+
+	exit(EXIT_SUCCESS);
+}