tools/mtd-utils: add EOF marker support to libubigen/ubinize
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 38682
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3b89803983
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ca4c33abb9
@ -0,0 +1,89 @@
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--- a/ubi-utils/src/libubigen.c
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+++ b/ubi-utils/src/libubigen.c
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@@ -122,8 +122,9 @@ int ubigen_add_volume(const struct ubige
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return 0;
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}
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-void ubigen_init_ec_hdr(const struct ubigen_info *ui,
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- struct ubi_ec_hdr *hdr, long long ec)
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+static void __ubigen_init_ec_hdr(const struct ubigen_info *ui,
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+ struct ubi_ec_hdr *hdr, long long ec,
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+ int eof)
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{
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uint32_t crc;
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@@ -136,10 +137,22 @@ void ubigen_init_ec_hdr(const struct ubi
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hdr->data_offset = cpu_to_be32(ui->data_offs);
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hdr->image_seq = cpu_to_be32(ui->image_seq);
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+ if (eof) {
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+ hdr->padding1[0] = 'E';
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+ hdr->padding1[1] = 'O';
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+ hdr->padding1[2] = 'F';
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+ }
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+
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crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
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hdr->hdr_crc = cpu_to_be32(crc);
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}
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+void ubigen_init_ec_hdr(const struct ubigen_info *ui,
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+ struct ubi_ec_hdr *hdr, long long ec)
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+{
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+ __ubigen_init_ec_hdr(ui, hdr, ec, 0);
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+}
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+
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void ubigen_init_vid_hdr(const struct ubigen_info *ui,
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const struct ubigen_vol_info *vi,
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struct ubi_vid_hdr *hdr, int lnum,
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@@ -307,6 +320,39 @@ int ubigen_write_layout_vol(const struct
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}
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free(outbuf);
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+ return 0;
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+
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+out_free:
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+ free(outbuf);
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+ return -1;
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+}
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+
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+int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
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+ int count, int out_fd)
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+{
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+ char *outbuf;
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+ int peb_size = ui->peb_size;
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+
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+ outbuf = malloc(peb_size);
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+ if (!outbuf) {
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+ sys_errmsg("cannot allocate %d bytes of memory", peb_size);
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+ return -1;
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+ }
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+
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+ memset(outbuf, 0xFF, peb_size);
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+ __ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec, 1);
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+
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+ while (count) {
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+ if (write(out_fd, outbuf, peb_size) != peb_size) {
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+ sys_errmsg("cannot write %d bytes to the output file",
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+ peb_size);
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+ goto out_free;
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+ }
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+
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+ count--;
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+ }
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+
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+ free(outbuf);
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return 0;
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out_free:
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--- a/ubi-utils/include/libubigen.h
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+++ b/ubi-utils/include/libubigen.h
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@@ -188,6 +188,9 @@ int ubigen_write_layout_vol(const struct
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long long ec1, long long ec2,
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struct ubi_vtbl_record *vtbl, int fd);
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+int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
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+ int count, int out_fd);
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+
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#ifdef __cplusplus
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}
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#endif
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@ -0,0 +1,77 @@
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--- a/ubi-utils/src/ubinize.c
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+++ b/ubi-utils/src/ubinize.c
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@@ -70,6 +70,8 @@ static const char optionsstr[] =
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" (default is 1)\n"
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"-Q, --image-seq=<num> 32-bit UBI image sequence number to use\n"
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" (by default a random number is picked)\n"
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+"-E, --eof-markers=<num> number of eof-markers to put at the end of the\n"
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+" output image\n"
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"-v, --verbose be verbose\n"
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"-h, --help print help message\n"
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"-V, --version print program version";
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@@ -79,7 +81,7 @@ static const char usage[] =
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"\t\t[-x <num>] [-Q <num>] [-v] [-h] [-V] [--output=<filename>] [--peb-size=<bytes>]\n"
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"\t\t[--min-io-size=<bytes>] [--sub-page-size=<bytes>] [--vid-hdr-offset=<num>]\n"
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"\t\t[--erase-counter=<num>] [--ubi-ver=<num>] [--image-seq=<num>] [--verbose] [--help]\n"
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-"\t\t[--version] ini-file\n"
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+"\t\t[--eof-markers=<num>] [--version] ini-file\n"
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"Example: " PROGRAM_NAME " -o ubi.img -p 16KiB -m 512 -s 256 cfg.ini - create UBI image\n"
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" 'ubi.img' as described by configuration file 'cfg.ini'";
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@@ -125,6 +127,7 @@ static const struct option long_options[
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{ .name = "erase-counter", .has_arg = 1, .flag = NULL, .val = 'e' },
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{ .name = "ubi-ver", .has_arg = 1, .flag = NULL, .val = 'x' },
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{ .name = "image-seq", .has_arg = 1, .flag = NULL, .val = 'Q' },
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+ { .name = "eof-markers", .has_arg = 1, .flag = NULL, .val = 'E' },
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{ .name = "verbose", .has_arg = 0, .flag = NULL, .val = 'v' },
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{ .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' },
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{ .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
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@@ -144,6 +147,7 @@ struct args {
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uint32_t image_seq;
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int verbose;
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dictionary *dict;
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+ int eof_markers;
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};
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static struct args args = {
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@@ -162,7 +166,7 @@ static int parse_opt(int argc, char * co
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int key, error = 0;
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unsigned long int image_seq;
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- key = getopt_long(argc, argv, "o:p:m:s:O:e:x:Q:vhV", long_options, NULL);
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+ key = getopt_long(argc, argv, "o:p:m:s:O:e:x:Q:E:vhV", long_options, NULL);
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if (key == -1)
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break;
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@@ -222,6 +226,12 @@ static int parse_opt(int argc, char * co
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args.image_seq = image_seq;
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break;
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+ case 'E':
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+ args.eof_markers = simple_strtoul(optarg, &error);
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+ if (error)
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+ return errmsg("bad number of eof-markers: \"%s\"", optarg);
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+ break;
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+
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case 'v':
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args.verbose = 1;
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break;
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@@ -599,6 +609,18 @@ int main(int argc, char * const argv[])
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printf("\n");
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}
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+ if (args.eof_markers) {
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+ verbose(args.verbose, "writing %d eof-marker blocks",
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+ args.eof_markers);
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+
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+ err = ubigen_write_eof_markers(&ui, args.ec, args.eof_markers,
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+ args.out_fd);
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+ if (err) {
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+ errmsg("cannot write eof-marker blocks");
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+ goto out_free;
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+ }
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+ }
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+
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verbose(args.verbose, "writing layout volume");
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err = ubigen_write_layout_vol(&ui, 0, 1, args.ec, args.ec, vtbl, args.out_fd);
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