summaryrefslogtreecommitdiff
path: root/package/mtd/src/mtd.c
diff options
context:
space:
mode:
Diffstat (limited to 'package/mtd/src/mtd.c')
-rw-r--r--package/mtd/src/mtd.c84
1 files changed, 12 insertions, 72 deletions
diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index 18a73a0..18c3e97 100644
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -46,21 +46,9 @@
#include "mtd-api.h"
#include "mtd.h"
-#ifdef target_brcm47xx
-#define target_brcm 1
-#endif
-
-#define TRX_MAGIC 0x30524448 /* "HDR0" */
#define MAX_ARGS 8
-
-#define DEBUG
-
#define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */
-#define SYSTYPE_UNKNOWN 0
-#define SYSTYPE_BROADCOM 1
-/* to be continued */
-
struct trx_header {
uint32_t magic; /* "HDR0" */
uint32_t len; /* Length of file including header */
@@ -77,7 +65,7 @@ int quiet;
int mtdsize = 0;
int erasesize = 0;
-int mtd_open(const char *mtd)
+int mtd_open(const char *mtd, bool block)
{
FILE *fp;
char dev[PATH_MAX];
@@ -88,9 +76,9 @@ int mtd_open(const char *mtd)
if ((fp = fopen("/proc/mtd", "r"))) {
while (fgets(dev, sizeof(dev), fp)) {
if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) {
- snprintf(dev, sizeof(dev), "/dev/mtd/%d", i);
+ snprintf(dev, sizeof(dev), "/dev/mtd%s/%d", (block ? "block" : ""), i);
if ((ret=open(dev, flags))<0) {
- snprintf(dev, sizeof(dev), "/dev/mtd%d", i);
+ snprintf(dev, sizeof(dev), "/dev/mtd%s%d", (block ? "block" : ""), i);
ret=open(dev, flags);
}
fclose(fp);
@@ -108,7 +96,7 @@ int mtd_check_open(const char *mtd)
struct mtd_info_user mtdInfo;
int fd;
- fd = mtd_open(mtd);
+ fd = mtd_open(mtd, false);
if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
return 0;
@@ -136,68 +124,22 @@ int mtd_erase_block(int fd, int offset)
fprintf(stderr, "Erasing mtd failed.\n");
exit(1);
}
+ return 0;
}
int mtd_write_buffer(int fd, const char *buf, int offset, int length)
{
lseek(fd, offset, SEEK_SET);
write(fd, buf, length);
+ return 0;
}
-#ifdef target_brcm
-static int
-image_check_brcm(int imagefd, const char *mtd)
-{
- struct trx_header *trx = (struct trx_header *) buf;
- int fd;
-
- if (strcmp(mtd, "linux") != 0)
- return 1;
-
- buflen = read(imagefd, buf, 32);
- if (buflen < 32) {
- fprintf(stdout, "Could not get image header, file too small (%ld bytes)\n", buflen);
- return 0;
- }
-
- if (trx->magic != TRX_MAGIC || trx->len < sizeof(struct trx_header)) {
- if (quiet < 2) {
- fprintf(stderr, "Bad trx header\n");
- fprintf(stderr, "This is not the correct file format; refusing to flash.\n"
- "Please specify the correct file or use -f to force.\n");
- }
- return 0;
- }
-
- /* check if image fits to mtd device */
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
-
- if(mtdsize < trx->len) {
- fprintf(stderr, "Image too big for partition: %s\n", mtd);
- close(fd);
- return 0;
- }
-
- close(fd);
- return 1;
-}
-#endif /* target_brcm */
-
static int
image_check(int imagefd, const char *mtd)
{
- int fd, systype;
- size_t count;
- char *c;
- FILE *f;
-
#ifdef target_brcm
- return image_check_brcm(imagefd, mtd);
+ return trx_check(imagefd, mtd, buf, &buflen);
#endif
}
@@ -303,10 +245,8 @@ mtd_refresh(const char *mtd)
static int
mtd_write(int imagefd, const char *mtd)
{
- int fd, i, result;
+ int fd, result;
size_t r, w, e;
- struct erase_info_user mtdEraseInfo;
- int ret = 0;
fd = mtd_check_open(mtd);
if(fd < 0) {
@@ -336,7 +276,7 @@ mtd_write(int imagefd, const char *mtd)
if (quiet < 2)
fprintf(stderr, "\nAppending jffs2 data to from %s to %s...", jffs2file, mtd);
/* got an EOF marker - this is the place to add some jffs2 data */
- mtd_replace_jffs2(fd, e, jffs2file);
+ mtd_replace_jffs2(mtd, fd, e, jffs2file);
goto done;
}
/* no EOF marker, make sure we figure out the last inode number
@@ -425,15 +365,15 @@ static void do_reboot(void)
int main (int argc, char **argv)
{
- int ch, i, boot, unlock, imagefd, force, unlocked;
- char *erase[MAX_ARGS], *device;
+ int ch, i, boot, imagefd = 0, force, unlocked;
+ char *erase[MAX_ARGS], *device = NULL;
enum {
CMD_ERASE,
CMD_WRITE,
CMD_UNLOCK,
CMD_REFRESH,
CMD_JFFS2WRITE
- } cmd;
+ } cmd = -1;
erase[0] = NULL;
boot = 0;