diff options
Diffstat (limited to 'miscutils/nandwrite.c')
| -rw-r--r-- | miscutils/nandwrite.c | 38 |
1 files changed, 12 insertions, 26 deletions
diff --git a/miscutils/nandwrite.c b/miscutils/nandwrite.c index a64b95b..509c064 100644 --- a/miscutils/nandwrite.c +++ b/miscutils/nandwrite.c @@ -36,20 +36,16 @@ //usage: "\n -s ADDR Start address" //usage:#define nanddump_trivial_usage -//usage: "[-o] [-b|--bb=padbad|skipbad] [-s ADDR] [-l LEN] [-f FILE] MTD_DEVICE" +//usage: "[-o] [--bb=padbad|skipbad] [-s ADDR] [-l LEN] [-f FILE] MTD_DEVICE" //usage:#define nanddump_full_usage "\n\n" //usage: "Dump MTD_DEVICE\n" //usage: "\n -o Dump oob data" -//usage: "\n -b Omit bad block from the dump" //usage: "\n -s ADDR Start address" //usage: "\n -l LEN Length" //usage: "\n -f FILE Dump to file ('-' for stdout)" //usage: "\n --bb=METHOD:" //usage: "\n skipbad: skip bad blocks" //usage: "\n padbad: substitute bad blocks by 0xff (default)" -//usage: "\n The difference between omit and skip bad block is that in the omit" -//usage: "\n case, the length of the bad block is counted as part of the total" -//usage: "\n dump length, and in the skip case, it's not." #include "libbb.h" #include <mtd/mtd-user.h> @@ -60,14 +56,12 @@ #define OPT_p (1 << 0) /* nandwrite only */ #define OPT_o (1 << 0) /* nanddump only */ #define OPT_s (1 << 1) -#define OPT_b (1 << 2) -#define OPT_f (1 << 3) -#define OPT_l (1 << 4) -#define OPT_bb (1 << 5) /* must be the last one in the list */ +#define OPT_f (1 << 2) +#define OPT_l (1 << 3) +#define OPT_bb (1 << 4) /* must be the last one in the list */ #define BB_PADBAD (1 << 0) #define BB_SKIPBAD (1 << 1) -#define BB_OMITBAD (1 << 2) /* helper for writing out 0xff for bad blocks pad */ static void dump_bad(struct mtd_info_user *meminfo, unsigned len, int oob) @@ -128,7 +122,7 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv) if (IS_NANDDUMP) { opt_complementary = "=1"; applet_long_options = nanddump_longopts; - opts = getopt32(argv, "os:bf:l:", &opt_s, &opt_f, &opt_l, &opt_bb); + opts = getopt32(argv, "os:f:l:", &opt_s, &opt_f, &opt_l, &opt_bb); } else { /* nandwrite */ opt_complementary = "-1:?2"; opts = getopt32(argv, "ps:", &opt_s); @@ -153,19 +147,13 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv) if (length < meminfo.size - mtdoffset) end_addr = mtdoffset + length; } - if (IS_NANDDUMP) { - if ((opts & OPT_b) && (opts & OPT_bb)) - bb_show_usage(); - if (opts & OPT_b) - bb_method = BB_OMITBAD; - if (opts & OPT_bb) { - if (!strcmp("skipbad", opt_bb)) - bb_method = BB_SKIPBAD; - else if (!strcmp("padbad", opt_bb)) - bb_method = BB_PADBAD; - else - bb_show_usage(); - } + if (IS_NANDDUMP && (opts & OPT_bb)) { + if (strcmp("skipbad", opt_bb) == 0) + bb_method = BB_SKIPBAD; + else if (strcmp("padbad", opt_bb) == 0) + bb_method = BB_PADBAD; + else + bb_show_usage(); } /* Pull it into a CPU register (hopefully) - smaller code that way */ @@ -200,7 +188,6 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv) if (bb_method == BB_SKIPBAD) { end_addr += (tmp - blockstart); } - /* omitbad: do nothing */ } mtdoffset = tmp; } @@ -231,7 +218,6 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv) end_addr = ~0; limit = MIN(meminfo.size, end_addr); } - /* omitbad: do nothing */ } if (mtdoffset >= limit) break; |