summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ubi-utils/Makefile4
-rw-r--r--ubi-utils/src/ubiupdate.c305
2 files changed, 307 insertions, 2 deletions
diff --git a/ubi-utils/Makefile b/ubi-utils/Makefile
index ee4956f..6a0391f 100644
--- a/ubi-utils/Makefile
+++ b/ubi-utils/Makefile
@@ -14,7 +14,7 @@ CFLAGS := -I./inc -I./src -I$(KERNELHDR) $(OPTFLAGS) -Werror \
-Wwrite-strings -W -std=gnu99 -DPACKAGE_VERSION=\"1.0\"
PERLPROGS = mkpfi ubicrc32.pl
-TARGETS = ubiupdatevol ubimkvol ubirmvol pfiflash pddcustomize ubimirror \
+TARGETS = ubiupdate ubimkvol ubirmvol pfiflash pddcustomize ubimirror \
bin2nand nand2bin ubigen mkbootenv unubi pfi2bin ubicrc32 ubinfo
vpath %.c ./src
@@ -36,7 +36,7 @@ clean:
ubinfo: ubinfo.o common.o libubi.o
$(CC) $(LDFLAGS) -o $@ $^
-ubiupdatevol: ubiupdatevol.o error.o libubi.o
+ubiupdate: ubiupdate.o common.o libubi.o
$(CC) $(LDFLAGS) -o $@ $^
ubimkvol: ubimkvol.o common.o libubi.o
diff --git a/ubi-utils/src/ubiupdate.c b/ubi-utils/src/ubiupdate.c
new file mode 100644
index 0000000..4133194
--- /dev/null
+++ b/ubi-utils/src/ubiupdate.c
@@ -0,0 +1,305 @@
+/*
+ * 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.
+ */
+
+/*
+ * An utility to update UBI volumes.
+ *
+ * Authors: Frank Haverkamp
+ * Joshua W. Boyer
+ * Artem Bityutskiy
+ */
+
+#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/stat.h>
+
+#include <libubi.h>
+#include "common.h"
+
+#define PROGRAM_VERSION "1.3"
+#define PROGRAM_NAME "ubiupdate"
+
+struct args {
+ int truncate;
+ const char *node;
+ const char *img;
+};
+
+static struct args myargs = {
+ .truncate = 0,
+ .img = NULL,
+};
+
+static const char *doc = "Version " PROGRAM_VERSION "\n"
+ PROGRAM_NAME " - a tool to write data to UBI volumes.";
+
+static const char *optionsstr =
+"-n, --vol_id=<volume id> ID of UBI volume to update\n"
+"-t, --truncate truncate volume (wipe it out)\n"
+"-h, --help print help message\n"
+"-V, --version print program version";
+
+static const char *usage =
+"Usage: " PROGRAM_NAME " <UBI volume node file name> [-t] [-h] [-V] [--truncate] [--help]\n"
+"\t\t[--version] <image file>\n\n"
+"Example 1: " PROGRAM_NAME " /dev/ubi0_1 fs.img - write file \"fs.img\" to UBI volume /dev/ubi0_1\n"
+"Example 2: " PROGRAM_NAME " /dev/ubi0_1 -t - wipe out UBI volume /dev/ubi0_1";
+
+struct option long_options[] = {
+ { .name = "truncate", .has_arg = 0, .flag = NULL, .val = 't' },
+ { .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' },
+ { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
+ { NULL, 0, NULL, 0}
+};
+
+static int parse_opt(int argc, char * const argv[], struct args *args)
+{
+ while (1) {
+ int key;
+
+ key = getopt_long(argc, argv, "n:thV", long_options, NULL);
+ if (key == -1)
+ break;
+
+ switch (key) {
+ case 't':
+ args->truncate = 1;
+ break;
+
+ case 'h':
+ fprintf(stderr, "%s\n\n", doc);
+ fprintf(stderr, "%s\n\n", usage);
+ fprintf(stderr, "%s\n", optionsstr);
+ exit(0);
+
+ case 'V':
+ fprintf(stderr, "%s\n", PROGRAM_VERSION);
+ exit(0);
+
+ case ':':
+ errmsg("parameter is missing");
+ return -1;
+
+ default:
+ fprintf(stderr, "Use -h for help\n");
+ exit(-1);
+ }
+ }
+
+ return 0;
+}
+
+static int truncate_volume(libubi_t libubi)
+{
+ int err, fd;
+
+ fd = open(myargs.node, O_RDWR);
+ if (fd == -1) {
+ errmsg("cannot open \"%s\"", myargs.node);
+ perror("open");
+ return -1;
+ }
+
+ err = ubi_update_start(libubi, fd, 0);
+ if (err) {
+ errmsg("cannot truncate volume \"%s\"", myargs.node);
+ perror("ubi_update_start");
+ close(fd);
+ return -1;
+ }
+
+ close(fd);
+ return 0;
+}
+
+static int ubi_write(int fd, const void *buf, int len)
+{
+ int ret;
+
+ while (len) {
+ ret = write(fd, buf, len);
+ if (ret < 0) {
+ if (errno == EINTR) {
+ warnmsg("do not interrupt me!");
+ continue;
+ }
+ errmsg("cannot write %d bytes to volume \"%s\"",
+ len, myargs.node);
+ perror("write");
+ return -1;
+ }
+
+ if (ret == 0) {
+ errmsg("cannot write %d bytes to volume \"%s\"",
+ len, myargs.node);
+ return -1;
+ }
+
+ len -= ret;
+ buf += ret;
+ }
+
+ return 0;
+}
+
+static int update_volume(libubi_t libubi, struct ubi_vol_info *vol_info)
+{
+ int err, fd, ifd;
+ long long bytes;
+ struct stat st;
+ char *buf;
+
+ buf = malloc(vol_info->eb_size);
+ if (!buf) {
+ errmsg("cannot allocate %d bytes of memory", vol_info->eb_size);
+ return -1;
+ }
+
+ err = stat(myargs.img, &st);
+ if (err < 0) {
+ errmsg("stat failed on \"%s\"", myargs.node);
+ goto out_free;
+ }
+
+ bytes = st.st_size;
+ if (bytes > vol_info->rsvd_bytes) {
+ errmsg("\"%s\" (size %lld) will not fit volume \"%s\" (size %lld)",
+ myargs.img, bytes, myargs.node, vol_info->rsvd_bytes);
+ goto out_free;
+ }
+
+ fd = open(myargs.node, O_RDWR);
+ if (fd == -1) {
+ errmsg("cannot open UBI volume \"%s\"", myargs.node);
+ perror("open");
+ goto out_free;
+ }
+
+ ifd = open(myargs.img, O_RDONLY);
+ if (ifd == -1) {
+ errmsg("cannot open \"%s\"", myargs.img);
+ perror("open");
+ goto out_close1;
+ }
+
+ err = ubi_update_start(libubi, fd, bytes);
+ if (err) {
+ errmsg("cannot start volume \"%s\" update", myargs.node);
+ perror("ubi_update_start");
+ goto out_close;
+ }
+
+ while (bytes) {
+ int tocopy = vol_info->eb_size;
+
+ if (tocopy > bytes)
+ tocopy = bytes;
+
+ err = read(ifd, buf, tocopy);
+ if (err != tocopy) {
+ if (errno == EINTR) {
+ warnmsg("do not interrupt me!");
+ continue;
+ } else {
+ errmsg("cannot read %d bytes from \"%s\"",
+ tocopy, myargs.img);
+ perror("read");
+ goto out_close;
+ }
+ }
+
+ err = ubi_write(fd, buf, tocopy);
+ if (err)
+ goto out_close;
+ bytes -= tocopy;
+ }
+
+ close(ifd);
+ close(fd);
+ free(buf);
+ return 0;
+
+out_close:
+ close(ifd);
+out_close1:
+ close(fd);
+out_free:
+ free(buf);
+ return -1;
+}
+
+int main(int argc, char * const argv[])
+{
+ int err;
+ libubi_t libubi;
+ struct ubi_vol_info vol_info;
+
+ if (argc < 2 || argv[1][0] == '-') {
+ errmsg("UBI device name was not specified (use -h for help)");
+ return -1;
+ }
+
+ if (argc < 3) {
+ errmsg("too few arguments (use -h for help)");
+ return -1;
+ }
+
+ myargs.img = argv[argc - 1];
+ myargs.node = argv[1];
+
+ parse_opt(argc, argv, &myargs);
+
+ if (!myargs.img && !myargs.truncate) {
+ errmsg("incorrect arguments, use -h for help");
+ }
+
+ libubi = libubi_open();
+ if (libubi == NULL) {
+ perror("Cannot open libubi");
+ goto out_libubi;
+ }
+
+ err = ubi_get_vol_info(libubi, myargs.node, &vol_info);
+ if (err) {
+ errmsg("cannot get information about UBI volume \"%s\"",
+ myargs.node);
+ perror("ubi_get_dev_info");
+ goto out_libubi;
+ }
+
+ if (myargs.truncate)
+ err = truncate_volume(libubi);
+ else
+ err = update_volume(libubi, &vol_info);
+ if (err)
+ goto out_libubi;
+
+ libubi_close(libubi);
+ return 0;
+
+out_libubi:
+ libubi_close(libubi);
+ return -1;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 16:03:59 +0000