@@ -36,6 +36,7 @@ mkfs.jffs2
mtd_debug
mtdpart
nanddump
+nandmarkbad
nandtest
nandwrite
nftl_format
@@ -7,6 +7,9 @@ nandwrite_LDADD = libmtd.a
nandtest_SOURCES = nand-utils/nandtest.c
nandtest_LDADD = libmtd.a
+nandmarkbad_SOURCES = nand-utils/nandmarkbad.c
+nandmarkbad_LDADD = libmtd.a
+
nftldump_SOURCES = nand-utils/nftldump.c
nftldump_LDADD = libmtd.a
@@ -14,7 +17,7 @@ nftl_format_SOURCES = nand-utils/nftl_format.c
nftl_format_LDADD = libmtd.a
NAND_BINS = \
- nanddump nandwrite nandtest nftldump nftl_format
+ nanddump nandwrite nandtest nandmarkbad nftldump nftl_format
NAND_SH = \
nand-utils/load_nandsim.sh
new file mode 100644
@@ -0,0 +1,119 @@
+#define PROGRAM_NAME "nandmarkbad"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#include "common.h"
+#include <libmtd.h>
+
+static void usage(int status)
+{
+ fprintf(status ? stderr : stdout,
+ "usage: %s [OPTIONS] <device>\n\n"
+ " -b, --markbad=blockno Mark block bad\n"
+ " -h, --help Display this help and exit\n"
+ " -V, --version Output version information and exit\n"
+ " -y, --i-know-what-i-do really do mark blocks as bad\n",
+ PROGRAM_NAME);
+ exit(status);
+}
+
+/*
+ * Main program
+ */
+int main(int argc, char **argv)
+{
+ loff_t mark_bad[32];
+ unsigned cnt_bad = 0;
+ struct mtd_dev_info mtd;
+ libmtd_t mtd_desc;
+ int fd;
+ int error = 0;
+ int ret;
+ unsigned int i;
+ int iknowwhatido = 0;
+
+ for (;;) {
+ static const char short_options[] = "b:hVy";
+ static const struct option long_options[] = {
+ { "help", no_argument, 0, 'h' },
+ { "markbad", required_argument, 0, 'b' },
+ { "version", no_argument, 0, 'V'},
+ { "i-know-what-i-do", no_argument, 0, 'y' },
+ {0, 0, 0, 0},
+ };
+ int option_index = 0;
+ int c = getopt_long(argc, argv, short_options, long_options,
+ &option_index);
+ if (c == EOF)
+ break;
+
+ switch (c) {
+ case '?':
+ usage(EXIT_FAILURE);
+ break;
+
+ case 'b':
+ if (cnt_bad < ARRAY_SIZE(mark_bad)) {
+ mark_bad[cnt_bad] =
+ simple_strtoll(optarg, &error);
+ ++cnt_bad;
+ } else {
+ errmsg_die("Can't handle so many bad blocks\n");
+ }
+
+ break;
+
+ case 'h':
+ usage(EXIT_SUCCESS);
+ break;
+
+ case 'V':
+ common_print_version();
+ return EXIT_SUCCESS;
+
+ case 'y':
+ iknowwhatido = 1;
+ break;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (error)
+ usage(EXIT_FAILURE);
+
+ if (argc != 1)
+ errmsg_die("You must specify a device to operate on\n");
+
+ if (!cnt_bad)
+ errmsg_die("You must specify at least one block to mark bad\n");
+
+ if (!iknowwhatido)
+ errmsg_die(PROGRAM_NAME " does things that are hard to undo.\n"
+ "\tPlease convince yourself you understand the risks,\n"
+ "\tthen add --i-know-what-i-do to the options.\n");
+
+ fd = open(argv[0], O_RDWR);
+ if (fd < 0)
+ sys_errmsg_die("Failed to open mtd device\n");
+
+ mtd_desc = libmtd_open();
+ if (!mtd_desc)
+ errmsg_die("Can't initialize libmtd");
+
+ if (mtd_get_dev_info(mtd_desc, argv[0], &mtd) < 0)
+ errmsg_die("mtd_get_dev_info failed");
+
+ for (i = 0; i < cnt_bad; ++i) {
+ ret = mtd_mark_bad(&mtd, fd, mark_bad[i]);
+ if (ret)
+ sys_errmsg_die("%s: MTD Mark bad block failure",
+ argv[0]);
+ }
+
+ return EXIT_SUCCESS;
+}