X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/07f362a34dee5a659a57b9a6e332322706d58f13..fb9f9cdc813406041715d4c692f2b18cfd418cee:/package/mtd/src/mtd.c?ds=sidebyside diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c index ff75fcb8a..835cbcf4c 100644 --- a/package/mtd/src/mtd.c +++ b/package/mtd/src/mtd.c @@ -74,6 +74,7 @@ static char *imagefile = NULL; static char *jffs2file = NULL, *jffs2dir = JFFS2_DEFAULT_DIR; static int buflen = 0; int quiet; +int no_erase; int mtdsize = 0; int erasesize = 0; @@ -367,6 +368,16 @@ mtd_refresh(const char *mtd) return 0; } +static void +indicate_writing(const char *mtd) +{ + if (quiet < 2) + fprintf(stderr, "\nWriting from %s to %s ... ", imagefile, mtd); + + if (!quiet) + fprintf(stderr, " [ ]"); +} + static int mtd_write(int imagefd, const char *mtd, char *fis_layout) { @@ -374,6 +385,7 @@ mtd_write(int imagefd, const char *mtd, char *fis_layout) char *str = NULL; int fd, result; ssize_t r, w, e; + ssize_t skip = 0; uint32_t offset = 0; #ifdef FIS_SUPPORT @@ -451,13 +463,9 @@ resume: exit(1); } - if (quiet < 2) - fprintf(stderr, "Writing from %s to %s ... ", imagefile, mtd); + indicate_writing(mtd); w = e = 0; - if (!quiet) - fprintf(stderr, " [ ]"); - for (;;) { /* buffer may contain data already (from trx check or last mtd partition write attempt) */ while (buflen < erasesize) { @@ -480,6 +488,15 @@ resume: if (buflen == 0) break; + if (skip > 0) { + skip -= buflen; + buflen = 0; + if (skip <= 0) + indicate_writing(mtd); + + continue; + } + if (jffs2file) { if (memcmp(buf, JFFS2_EOF, sizeof(JFFS2_EOF) - 1) == 0) { if (!quiet) @@ -487,8 +504,14 @@ resume: if (quiet < 2) fprintf(stderr, "\nAppending jffs2 data from %s to %s...", jffs2file, mtd); /* got an EOF marker - this is the place to add some jffs2 data */ - mtd_replace_jffs2(mtd, fd, e, jffs2file); - goto done; + skip = mtd_replace_jffs2(mtd, fd, e, jffs2file); + + w += skip; + e += skip; + skip -= buflen; + buflen = 0; + offset = 0; + continue; } /* no EOF marker, make sure we figure out the last inode number * before appending some data */ @@ -496,31 +519,34 @@ resume: } /* need to erase the next block before writing data to it */ - while (w + buflen > e) { - if (!quiet) - fprintf(stderr, "\b\b\b[e]"); - - - if (mtd_erase_block(fd, e) < 0) { - if (next) { - if (w < e) { - write(fd, buf + offset, e - w); - offset = e - w; + if(!no_erase) + { + while (w + buflen > e) { + if (!quiet) + fprintf(stderr, "\b\b\b[e]"); + + + if (mtd_erase_block(fd, e) < 0) { + if (next) { + if (w < e) { + write(fd, buf + offset, e - w); + offset = e - w; + } + w = 0; + e = 0; + close(fd); + mtd = next; + fprintf(stderr, "\b\b\b \n"); + goto resume; + } else { + fprintf(stderr, "Failed to erase block\n"); + exit(1); } - w = 0; - e = 0; - close(fd); - mtd = next; - fprintf(stderr, "\b\b\b \n"); - goto resume; - } else { - fprintf(stderr, "Failed to erase block\n"); - exit(1); } - } - /* erase the chunk */ - e += erasesize; + /* erase the chunk */ + e += erasesize; + } } if (!quiet) @@ -573,6 +599,7 @@ static void usage(void) "Following options are available:\n" " -q quiet mode (once: no [w] on writing,\n" " twice: no status messages)\n" + " -n write without first erasing the blocks\n" " -r reboot after successful command\n" " -f force write without trx checks\n" " -e erase before executing the command\n" @@ -624,12 +651,13 @@ int main (int argc, char **argv) force = 0; buflen = 0; quiet = 0; + no_erase = 0; while ((ch = getopt(argc, argv, #ifdef FIS_SUPPORT "F:" #endif - "frqe:d:j:o:")) != -1) + "frnqe:d:j:o:")) != -1) switch (ch) { case 'f': force = 1; @@ -637,6 +665,9 @@ int main (int argc, char **argv) case 'r': boot = 1; break; + case 'n': + no_erase = 1; + break; case 'j': jffs2file = optarg; break;