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nandwrite: implement -n (read/write without ecc)

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Implement -n (read/write without ecc).

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Aaro Koskinen 2015-12-19 22:34:44 +02:00 committed by Denys Vlasenko
parent dbf5a6da6a
commit 76915bf738
1 changed files with 14 additions and 8 deletions
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22
miscutils/nandwrite.c
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@ -29,16 +29,18 @@
//kbuild:lib-$(CONFIG_NANDDUMP) += nandwrite.o //kbuild:lib-$(CONFIG_NANDDUMP) += nandwrite.o
//usage:#define nandwrite_trivial_usage //usage:#define nandwrite_trivial_usage
//usage: "[-p] [-s ADDR] MTD_DEVICE [FILE]" //usage: "[-np] [-s ADDR] MTD_DEVICE [FILE]"
//usage:#define nandwrite_full_usage "\n\n" //usage:#define nandwrite_full_usage "\n\n"
//usage: "Write to MTD_DEVICE\n" //usage: "Write to MTD_DEVICE\n"
//usage: "\n -n Write without ecc"
//usage: "\n -p Pad to page size" //usage: "\n -p Pad to page size"
//usage: "\n -s ADDR Start address" //usage: "\n -s ADDR Start address"
//usage:#define nanddump_trivial_usage //usage:#define nanddump_trivial_usage
//usage: "[-o]" IF_LONG_OPTS(" [--bb=padbad|skipbad]") " [-s ADDR] [-l LEN] [-f FILE] MTD_DEVICE" //usage: "[-no]" IF_LONG_OPTS(" [--bb=padbad|skipbad]") " [-s ADDR] [-l LEN] [-f FILE] MTD_DEVICE"
//usage:#define nanddump_full_usage "\n\n" //usage:#define nanddump_full_usage "\n\n"
//usage: "Dump MTD_DEVICE\n" //usage: "Dump MTD_DEVICE\n"
//usage: "\n -n Read without ecc"
//usage: "\n -o Dump oob data" //usage: "\n -o Dump oob data"
//usage: "\n -s ADDR Start address" //usage: "\n -s ADDR Start address"
//usage: "\n -l LEN Length" //usage: "\n -l LEN Length"
@ -57,10 +59,11 @@
#define OPT_p (1 << 0) /* nandwrite only */ #define OPT_p (1 << 0) /* nandwrite only */
#define OPT_o (1 << 0) /* nanddump only */ #define OPT_o (1 << 0) /* nanddump only */
#define OPT_s (1 << 1) #define OPT_n (1 << 1)
#define OPT_f (1 << 2) #define OPT_s (1 << 2)
#define OPT_l (1 << 3) #define OPT_f (1 << 3)
#define OPT_bb (1 << 4) /* must be the last one in the list */ #define OPT_l (1 << 4)
#define OPT_bb (1 << 5) /* must be the last one in the list */
#define BB_PADBAD (1 << 0) #define BB_PADBAD (1 << 0)
#define BB_SKIPBAD (1 << 1) #define BB_SKIPBAD (1 << 1)
@ -125,10 +128,10 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv)
applet_long_options = applet_long_options =
"bb\0" Required_argument "\xff"; /* no short equivalent */ "bb\0" Required_argument "\xff"; /* no short equivalent */
#endif #endif
opts = getopt32(argv, "os:f:l:", &opt_s, &opt_f, &opt_l, &opt_bb); opts = getopt32(argv, "ons:f:l:", &opt_s, &opt_f, &opt_l, &opt_bb);
} else { /* nandwrite */ } else { /* nandwrite */
opt_complementary = "-1:?2"; opt_complementary = "-1:?2";
opts = getopt32(argv, "ps:", &opt_s); opts = getopt32(argv, "pns:", &opt_s);
} }
argv += optind; argv += optind;
@ -144,6 +147,9 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv)
fd = xopen(argv[0], IS_NANDWRITE ? O_RDWR : O_RDONLY); fd = xopen(argv[0], IS_NANDWRITE ? O_RDWR : O_RDONLY);
xioctl(fd, MEMGETINFO, &meminfo); xioctl(fd, MEMGETINFO, &meminfo);
if (opts & OPT_n)
xioctl(fd, MTDFILEMODE, (void *)MTD_FILE_MODE_RAW);
mtdoffset = xstrtou(opt_s, 0); mtdoffset = xstrtou(opt_s, 0);
if (IS_NANDDUMP && (opts & OPT_l)) { if (IS_NANDDUMP && (opts & OPT_l)) {
unsigned length = xstrtou(opt_l, 0); unsigned length = xstrtou(opt_l, 0);