diff options
Diffstat (limited to 'src/dump.c')
| -rw-r--r-- | src/dump.c | 89 |
1 files changed, 82 insertions, 7 deletions
@@ -119,7 +119,6 @@ int mtd_open(char *file, mtd_info_t *meminfo, int *oobinfochanged, return -1; } - return fd; } @@ -164,11 +163,17 @@ int check_badblocks(char *mtddev) fd = mtd_open(mtddev, &meminfo, &oobinfochanged, &old_oobinfo, &eccstats, M_RDONLY); + if (fd == -1) { + printf("cannot open mtd\n"); + return 1; + } + fprintf(stderr, "Block size %u, page size %u, OOB size %u\n", meminfo.erasesize, meminfo.writesize, meminfo.oobsize); fprintf(stderr, "Size %u, flags %u, type 0x%x\n", meminfo.size, meminfo.flags, (int)meminfo.type); + oob.length = meminfo.oobsize; for(i = 0; i < meminfo.size; i+= meminfo.writesize) { @@ -261,6 +266,11 @@ int nanddump(char *mtddev, unsigned long start_addr, unsigned long length, char /* Read the real oob length */ oob.length = meminfo.oobsize; + fprintf(stderr, "Block size %u, page size %u, OOB size %u\n", + meminfo.erasesize, meminfo.writesize, meminfo.oobsize); + fprintf(stderr, "Size %u, flags %u, type 0x%x\n", + meminfo.size, meminfo.flags, (int)meminfo.type); + if (flags & M_OMITECC) { // (noecc) switch (ioctl(fd, MTDFILEMODE, (void *) MTD_MODE_RAW)) { @@ -316,12 +326,6 @@ int nanddump(char *mtddev, unsigned long start_addr, unsigned long length, char bs = meminfo.writesize; - /* Print informative message */ - fprintf(stderr, "Block size %u, page size %u, OOB size %u\n", - meminfo.erasesize, meminfo.writesize, meminfo.oobsize); - fprintf(stderr, "Size %u, flags %u, type 0x%x\n", - meminfo.size, meminfo.flags, (int)meminfo.type); - fprintf(stderr, "Dumping data starting at 0x%08x and ending at 0x%08x...\n", (unsigned int) start_addr, (unsigned int) end_addr); @@ -460,15 +464,85 @@ int is_n800() return n800; } +int dump_config() +{ + mtd_info_t meminfo; + int fd = open("/dev/mtd1", O_RDONLY); + char buf[1024]; + int i=0,j; + int ret; + + + if (fd == -1) { + perror("open /dev/mtd1"); + return 1; + } + if (ioctl(fd, MEMGETINFO, &meminfo) != 0) { + perror("MEMGETINFO"); + close(fd); + return 1; + } + + while(i<0x60000) { + iniloop: + ret = read(fd, buf, 4); + if (ret == -1) + break; + if (!memcmp(buf,"ConF", 4)) { + loop: + read(fd, buf, 4); + if (ret == -1) break; + printf("\n0x%08x : ConF %02x %02x %02x %02x : ", i, + buf[0], buf[1], buf[2], buf[3]); + fflush(stdout); + while(1) { + ret = read(fd, buf, 4); + if (ret <1) { + printf("Unexpected eof\n"); + break; + } + if (buf[0]=='\0'||buf[1]=='\0'||buf[2]=='\0'||buf[3]=='\0') { + printf("%s \t ", buf); + fflush(stdout); + while(1) { + ret = read(fd, buf, 4); + if (ret <1) { + printf("Unexpected eof\n"); + break; + } + if (!memcmp(buf,"\xff\xff\xff\xff", 4)) + goto iniloop; + if (!memcmp(buf,"ConF", 4)) + goto loop; + printf ("%02x %02x %02x %02x ", + buf[0], buf[1], buf[2], buf[3]); + } + break; + } else { + write(1, buf,4); + } + } + } + j = lseek(fd, 0, SEEK_CUR); + if (j==i) break; i = j; + } + close(fd); + printf("\n"); + return 0; +} + int reverse_extract_pieces(char *dir) { char reply; chdir(dir); + // TODO: get values from /proc/mtd ??? + //rf_extract("/dev/mtd0", is_n800()?0x200:0, 0x003600, "xloader.bin"); nanddump("/dev/mtd0", is_n800()?0x200:0, 0, "xloader.bin"); //rf_extract("/dev/mtd0", 0x004000, 0x01ffff, "secondary.bin"); nanddump("/dev/mtd0", 0x004000, 0, "secondary.bin"); + nanddump("/dev/mtd1", 0x060000, 0, "config.bin"); //rf_extract("/dev/mtd2", 0x000800, 0x200000, "zImage"); nanddump("/dev/mtd2", 0x000800, 0, "zImage"); //rf_extract("/dev/mtd3", 0x000000, 0x1D00000, "initfs.jffs2"); @@ -493,6 +567,7 @@ int reverse_extract_pieces(char *dir) printf("\nIdentifying extracted files...\n"); printf("%s: xloader\n", fpid_file("xloader.bin")); printf("%s: secondary.bin\n", fpid_file("secondary.bin")); + printf("%s: config.bin\n", fpid_file("config.bin")); printf("%s: zImage\n", fpid_file("zImage")); printf("%s: initfs.jffs2\n", fpid_file("initfs.jffs2")); printf("%s: rootfs.jffs2\n", fpid_file("rootfs.jffs2")); |