diff options
Diffstat (limited to 'tools/firmware-utils/src/motorola-bin.c')
| -rw-r--r-- | tools/firmware-utils/src/motorola-bin.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/tools/firmware-utils/src/motorola-bin.c b/tools/firmware-utils/src/motorola-bin.c deleted file mode 100644 index 6fda2a9e31..0000000000 --- a/tools/firmware-utils/src/motorola-bin.c +++ /dev/null @@ -1,212 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * motorola-bin.c - * - * Copyright (C) 2005-2006 Mike Baker, - * Imre Kaloz <kaloz@openwrt.org> - * D. Hugh Redelmeier - * OpenWrt.org - */ - -/* - * Motorola's firmware flashing code requires an extra header. - * The header is eight bytes (see struct motorola below). - * This program will take a firmware file and create a new one - * with this header: - * motorola-bin --wr850g WR850G_V403.stripped.trx WR850G_V403.trx - * - * Note: Motorola's firmware is distributed with this header. - * If you need to flash Motorola firmware on a router running OpenWRT, - * you will to remove this header. Use the --strip flag: - * motorola-bin --strip WR850G_V403.trx WR850G_V403.stripped.trx - */ - -/* - * February 1, 2006 - * - * Add support for for creating WA840G and WE800G images - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stddef.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <string.h> -#include <netinet/in.h> -#include <inttypes.h> - -#define BPB 8 /* bits/byte */ - -static uint32_t crc32[1<<BPB]; - -static void init_crc32() -{ - const uint32_t poly = ntohl(0x2083b8ed); - int n; - - for (n = 0; n < 1<<BPB; n++) { - uint32_t crc = n; - int bit; - - for (bit = 0; bit < BPB; bit++) - crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1); - crc32[n] = crc; - } -} - -static uint32_t crc32buf(unsigned char *buf, size_t len) -{ - uint32_t crc = 0xFFFFFFFF; - - for (; len; len--, buf++) - crc = crc32[(uint8_t)crc ^ *buf] ^ (crc >> BPB); - return crc; -} - -struct motorola { - uint32_t crc; // crc32 of the remainder - uint32_t flags; // unknown, 105770* -}; - -static const struct model { - char digit; /* a digit signifying model (historical) */ - const char *name; - uint32_t flags; -} models[] = { - { '1', "WR850G", 0x10577050LU }, - { '2', "WA840G", 0x10577040LU }, - { '3', "WE800G", 0x10577000LU }, - { '\0', NULL, 0 } -}; - -static void usage(const char *) __attribute__ (( __noreturn__ )); - -static void usage(const char *mess) -{ - const struct model *m; - - fprintf(stderr, "Error: %s\n", mess); - fprintf(stderr, "Usage: motorola-bin -device|--strip infile outfile\n"); - fprintf(stderr, "Known devices: "); - - for (m = models; m->digit != '\0'; m++) - fprintf(stderr, " %c - %s", m->digit, m->name); - - fprintf(stderr, "\n"); - exit(1); -} - -int main(int argc, char **argv) -{ - off_t len; // of original firmware - int fd; - void *trx; // pointer to original firmware (mmmapped) - struct motorola *firmware; // pionter to prefix + copy of original firmware - uint32_t flags; - - // verify parameters - - if (argc != 4) - usage("wrong number of arguments"); - - // mmap trx file - if ((fd = open(argv[2], O_RDONLY)) < 0 - || (len = lseek(fd, 0, SEEK_END)) < 0 - || (trx = mmap(0, len, PROT_READ, MAP_SHARED, fd, 0)) == (void *) (-1) - || close(fd) < 0) - { - fprintf(stderr, "Error loading file %s: %s\n", argv[2], strerror(errno)); - exit(1); - } - - init_crc32(); - - if (strcmp(argv[1], "--strip") == 0) - { - const char *ugh = NULL; - - if (len < sizeof(struct motorola)) { - ugh = "input file too short"; - } else { - const struct model *m; - - firmware = trx; - if (htonl(crc32buf(trx + offsetof(struct motorola, flags), len - offsetof(struct motorola, flags))) != firmware->crc) - ugh = "Invalid CRC"; - for (m = models; ; m++) { - if (m->digit == '\0') { - if (ugh == NULL) - ugh = "unrecognized flags field"; - break; - } - if (firmware->flags == htonl(m->flags)) { - fprintf(stderr, "Firmware for Motorola %s\n", m->name); - break; - } - } - } - - if (ugh != NULL) { - fprintf(stderr, "%s\n", ugh); - exit(3); - } else { - // all is well, write the file without the prefix - if ((fd = open(argv[3], O_CREAT|O_WRONLY|O_TRUNC,0644)) < 0 - || write(fd, trx + sizeof(struct motorola), len - sizeof(struct motorola)) != len - sizeof(struct motorola) - || close(fd) < 0) - { - fprintf(stderr, "Error storing file %s: %s\n", argv[3], strerror(errno)); - exit(2); - } - } - - } else { - // setup the firmware flags magic number - const struct model *m; - const char *df = argv[1]; - - if (*df != '-') - usage("first argument must start with -"); - if (*++df == '-') - ++df; /* allow but don't require second - */ - - for (m = models; ; m++) { - if (m->digit == '\0') - usage("unrecognized device specified"); - if ((df[0] == m->digit && df[1] == '\0') || strcasecmp(df, m->name) == 0) { - flags = m->flags; - break; - } - } - - - // create a firmware image in memory - // and copy the trx to it - firmware = malloc(sizeof(struct motorola) + len); - memcpy(&firmware[1], trx, len); - - // setup the motorola headers - firmware->flags = htonl(flags); - - // CRC of flags + firmware - firmware->crc = htonl(crc32buf((unsigned char *)&firmware->flags, sizeof(firmware->flags) + len)); - - // write the firmware - if ((fd = open(argv[3], O_CREAT|O_WRONLY|O_TRUNC,0644)) < 0 - || write(fd, firmware, sizeof(struct motorola) + len) != sizeof(struct motorola) + len - || close(fd) < 0) - { - fprintf(stderr, "Error storing file %s: %s\n", argv[3], strerror(errno)); - exit(2); - } - - free(firmware); - } - - munmap(trx,len); - - return 0; -} |