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tools/mtd-utils: add EOF marker support to libubigen/ubinize

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38682
This commit is contained in:
Gabor Juhos
2013-11-07 19:53:01 +00:00
parent 3b89803983
commit ca4c33abb9
2 changed files with 166 additions and 0 deletions
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89
tools/mtd-utils/patches/200-libubigen-add-ubigen_write_terminator-function.patch Normal file
View File

@@ -0,0 +1,89 @@
--- a/ubi-utils/src/libubigen.c
+++ b/ubi-utils/src/libubigen.c
@@ -122,8 +122,9 @@ int ubigen_add_volume(const struct ubige
return 0;
}
-void ubigen_init_ec_hdr(const struct ubigen_info *ui,
- struct ubi_ec_hdr *hdr, long long ec)
+static void __ubigen_init_ec_hdr(const struct ubigen_info *ui,
+ struct ubi_ec_hdr *hdr, long long ec,
+ int eof)
{
uint32_t crc;
@@ -136,10 +137,22 @@ void ubigen_init_ec_hdr(const struct ubi
hdr->data_offset = cpu_to_be32(ui->data_offs);
hdr->image_seq = cpu_to_be32(ui->image_seq);
+ if (eof) {
+ hdr->padding1[0] = 'E';
+ hdr->padding1[1] = 'O';
+ hdr->padding1[2] = 'F';
+ }
+
crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
hdr->hdr_crc = cpu_to_be32(crc);
}
+void ubigen_init_ec_hdr(const struct ubigen_info *ui,
+ struct ubi_ec_hdr *hdr, long long ec)
+{
+ __ubigen_init_ec_hdr(ui, hdr, ec, 0);
+}
+
void ubigen_init_vid_hdr(const struct ubigen_info *ui,
const struct ubigen_vol_info *vi,
struct ubi_vid_hdr *hdr, int lnum,
@@ -307,6 +320,39 @@ int ubigen_write_layout_vol(const struct
}
free(outbuf);
+ return 0;
+
+out_free:
+ free(outbuf);
+ return -1;
+}
+
+int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
+ int count, int out_fd)
+{
+ char *outbuf;
+ int peb_size = ui->peb_size;
+
+ outbuf = malloc(peb_size);
+ if (!outbuf) {
+ sys_errmsg("cannot allocate %d bytes of memory", peb_size);
+ return -1;
+ }
+
+ memset(outbuf, 0xFF, peb_size);
+ __ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec, 1);
+
+ while (count) {
+ if (write(out_fd, outbuf, peb_size) != peb_size) {
+ sys_errmsg("cannot write %d bytes to the output file",
+ peb_size);
+ goto out_free;
+ }
+
+ count--;
+ }
+
+ free(outbuf);
return 0;
out_free:
--- a/ubi-utils/include/libubigen.h
+++ b/ubi-utils/include/libubigen.h
@@ -188,6 +188,9 @@ int ubigen_write_layout_vol(const struct
long long ec1, long long ec2,
struct ubi_vtbl_record *vtbl, int fd);
+int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
+ int count, int out_fd);
+
#ifdef __cplusplus
}
#endif

77
tools/mtd-utils/patches/201-ubinize-add-terminator-support.patch Normal file
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@@ -0,0 +1,77 @@
--- a/ubi-utils/src/ubinize.c
+++ b/ubi-utils/src/ubinize.c
@@ -70,6 +70,8 @@ static const char optionsstr[] =
" (default is 1)\n"
"-Q, --image-seq=<num> 32-bit UBI image sequence number to use\n"
" (by default a random number is picked)\n"
+"-E, --eof-markers=<num> number of eof-markers to put at the end of the\n"
+" output image\n"
"-v, --verbose be verbose\n"
"-h, --help print help message\n"
"-V, --version print program version";
@@ -79,7 +81,7 @@ static const char usage[] =
"\t\t[-x <num>] [-Q <num>] [-v] [-h] [-V] [--output=<filename>] [--peb-size=<bytes>]\n"
"\t\t[--min-io-size=<bytes>] [--sub-page-size=<bytes>] [--vid-hdr-offset=<num>]\n"
"\t\t[--erase-counter=<num>] [--ubi-ver=<num>] [--image-seq=<num>] [--verbose] [--help]\n"
-"\t\t[--version] ini-file\n"
+"\t\t[--eof-markers=<num>] [--version] ini-file\n"
"Example: " PROGRAM_NAME " -o ubi.img -p 16KiB -m 512 -s 256 cfg.ini - create UBI image\n"
" 'ubi.img' as described by configuration file 'cfg.ini'";
@@ -125,6 +127,7 @@ static const struct option long_options[
{ .name = "erase-counter", .has_arg = 1, .flag = NULL, .val = 'e' },
{ .name = "ubi-ver", .has_arg = 1, .flag = NULL, .val = 'x' },
{ .name = "image-seq", .has_arg = 1, .flag = NULL, .val = 'Q' },
+ { .name = "eof-markers", .has_arg = 1, .flag = NULL, .val = 'E' },
{ .name = "verbose", .has_arg = 0, .flag = NULL, .val = 'v' },
{ .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' },
{ .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
@@ -144,6 +147,7 @@ struct args {
uint32_t image_seq;
int verbose;
dictionary *dict;
+ int eof_markers;
};
static struct args args = {
@@ -162,7 +166,7 @@ static int parse_opt(int argc, char * co
int key, error = 0;
unsigned long int image_seq;
- key = getopt_long(argc, argv, "o:p:m:s:O:e:x:Q:vhV", long_options, NULL);
+ key = getopt_long(argc, argv, "o:p:m:s:O:e:x:Q:E:vhV", long_options, NULL);
if (key == -1)
break;
@@ -222,6 +226,12 @@ static int parse_opt(int argc, char * co
args.image_seq = image_seq;
break;
+ case 'E':
+ args.eof_markers = simple_strtoul(optarg, &error);
+ if (error)
+ return errmsg("bad number of eof-markers: \"%s\"", optarg);
+ break;
+
case 'v':
args.verbose = 1;
break;
@@ -599,6 +609,18 @@ int main(int argc, char * const argv[])
printf("\n");
}
+ if (args.eof_markers) {
+ verbose(args.verbose, "writing %d eof-marker blocks",
+ args.eof_markers);
+
+ err = ubigen_write_eof_markers(&ui, args.ec, args.eof_markers,
+ args.out_fd);
+ if (err) {
+ errmsg("cannot write eof-marker blocks");
+ goto out_free;
+ }
+ }
+
verbose(args.verbose, "writing layout volume");
err = ubigen_write_layout_vol(&ui, 0, 1, args.ec, args.ec, vtbl, args.out_fd);