X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/2c2e02d72979e9d2865a400068abc4262bf88074..d7f545f983573bd54a40c1ba65c5f2c6ea8b87df:/package/mtd/src/mtd.c
diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index bd966ab7d..5fa260b91 100644
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -41,26 +41,19 @@
#include <sys/stat.h>
#include <sys/reboot.h>
#include <linux/reboot.h>
-#include "mtd-api.h"
+#include <mtd/mtd-user.h>
#include "fis.h"
#include "mtd.h"
#define MAX_ARGS 8
#define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */
-struct trx_header {
- uint32_t magic; /* "HDR0" */
- uint32_t len; /* Length of file including header */
- uint32_t crc32; /* 32-bit CRC from flag_version to end of file */
- uint32_t flag_version; /* 0:15 flags, 16:31 version */
- uint32_t offsets[3]; /* Offsets of partitions from start of header */
-};
-
static char *buf = NULL;
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;
@@ -98,13 +91,13 @@ int mtd_check_open(const char *mtd)
fd = mtd_open(mtd, false);
if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- return 0;
+ return -1;
}
if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
close(fd);
- return 0;
+ return -1;
}
mtdsize = mtdInfo.size;
erasesize = mtdInfo.erasesize;
@@ -137,9 +130,9 @@ static int
image_check(int imagefd, const char *mtd)
{
int ret = 1;
-#ifdef target_brcm
- ret = trx_check(imagefd, mtd, buf, &buflen);
-#endif
+ if (trx_check) {
+ ret = trx_check(imagefd, mtd, buf, &buflen);
+ }
return ret;
}
@@ -162,7 +155,7 @@ static int mtd_check(const char *mtd)
}
fd = mtd_check_open(mtd);
- if (!fd)
+ if (fd < 0)
return 0;
if (!buf)
@@ -199,7 +192,7 @@ mtd_unlock(const char *mtd)
}
fd = mtd_check_open(mtd);
- if(fd <= 0) {
+ if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
exit(1);
}
@@ -230,7 +223,7 @@ mtd_erase(const char *mtd)
fprintf(stderr, "Erasing %s ...\n", mtd);
fd = mtd_check_open(mtd);
- if(fd <= 0) {
+ if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
exit(1);
}
@@ -260,7 +253,7 @@ mtd_refresh(const char *mtd)
fprintf(stderr, "Refreshing mtd partition %s ... ", mtd);
fd = mtd_check_open(mtd);
- if(fd <= 0) {
+ if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
exit(1);
}
@@ -278,6 +271,16 @@ 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)
{
@@ -285,6 +288,7 @@ 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
@@ -362,13 +366,9 @@ 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) {
@@ -391,15 +391,33 @@ 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)
fprintf(stderr, "\b\b\b ");
if (quiet < 2)
- fprintf(stderr, "\nAppending jffs2 data to from %s to %s...", jffs2file, mtd);
+ 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);
+
+ /* don't add it again */
+ jffs2file = NULL;
+
+ 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 */
@@ -407,31 +425,34 @@ 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)
@@ -479,15 +500,26 @@ static void usage(void)
" refresh refresh mtd partition\n"
" erase erase all data on device\n"
" write <imagefile>|- write <imagefile> (use - for stdin) to device\n"
- " jffs2write <file> append <file> to the jffs2 partition on the device\n"
+ " jffs2write <file> append <file> to the jffs2 partition on the device\n");
+ if (mtd_fixtrx) {
+ fprintf(stderr,
+ " fixtrx fix the checksum in a trx header on first boot\n");
+ }
+ fprintf(stderr,
"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 <device> erase <device> before executing the command\n"
" -d <name> directory for jffs2write, defaults to \"tmp\"\n"
- " -j <name> integrate <file> into jffs2 data when writing an image\n"
+ " -j <name> integrate <file> into jffs2 data when writing an image\n");
+ if (mtd_fixtrx) {
+ fprintf(stderr,
+ " -o offset offset of the image header in the partition(for fixtrx)\n");
+ }
+ fprintf(stderr,
#ifdef FIS_SUPPORT
" -F <part>[:<size>[:<entrypoint>]][,<part>...]\n"
" alter the fis partition table to create new partitions replacing\n"
@@ -518,12 +550,14 @@ int main (int argc, char **argv)
int ch, i, boot, imagefd = 0, force, unlocked;
char *erase[MAX_ARGS], *device = NULL;
char *fis_layout = NULL;
+ size_t offset = 0;
enum {
CMD_ERASE,
CMD_WRITE,
CMD_UNLOCK,
CMD_REFRESH,
- CMD_JFFS2WRITE
+ CMD_JFFS2WRITE,
+ CMD_FIXTRX,
} cmd = -1;
erase[0] = NULL;
@@ -531,12 +565,13 @@ 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:")) != -1)
+ "frnqe:d:j:o:")) != -1)
switch (ch) {
case 'f':
force = 1;
@@ -544,6 +579,9 @@ int main (int argc, char **argv)
case 'r':
boot = 1;
break;
+ case 'n':
+ no_erase = 1;
+ break;
case 'j':
jffs2file = optarg;
break;
@@ -561,6 +599,18 @@ int main (int argc, char **argv)
case 'd':
jffs2dir = optarg;
break;
+ case 'o':
+ if (!mtd_fixtrx) {
+ fprintf(stderr, "-o: is not available on this platform\n");
+ usage();
+ }
+ errno = 0;
+ offset = strtoul(optarg, 0, 0);
+ if (errno) {
+ fprintf(stderr, "-o: illegal numeric string\n");
+ usage();
+ }
+ break;
#ifdef FIS_SUPPORT
case 'F':
fis_layout = optarg;
@@ -585,6 +635,9 @@ int main (int argc, char **argv)
} else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) {
cmd = CMD_ERASE;
device = argv[1];
+ } else if (((strcmp(argv[0], "fixtrx") == 0) && (argc == 2)) && mtd_fixtrx) {
+ cmd = CMD_FIXTRX;
+ device = argv[1];
} else if ((strcmp(argv[0], "write") == 0) && (argc == 3)) {
cmd = CMD_WRITE;
device = argv[2];
@@ -657,6 +710,11 @@ int main (int argc, char **argv)
case CMD_REFRESH:
mtd_refresh(device);
break;
+ case CMD_FIXTRX:
+ if (mtd_fixtrx) {
+ mtd_fixtrx(device, offset);
+ }
+ break;
}
sync();