diff options
| -rw-r--r-- | tools/firmware-utils/src/trx2edips.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/tools/firmware-utils/src/trx2edips.c b/tools/firmware-utils/src/trx2edips.c index 378be2789..3869648e8 100644 --- a/tools/firmware-utils/src/trx2edips.c +++ b/tools/firmware-utils/src/trx2edips.c @@ -5,6 +5,17 @@ #include <string.h> #include <errno.h> #include <unistd.h> + +#if __BYTE_ORDER == __BIG_ENDIAN +#define STORE32_LE(X) bswap_32(X) +#define LOAD32_LE(X) bswap_32(X) +#elif __BYTE_ORDER == __LITTLE_ENDIAN +#define STORE32_LE(X) (X) +#define LOAD32_LE(X) (X) +#else +#error unkown endianness! +#endif + /**********************************************************************/ /* from trxhdr.h */ @@ -22,6 +33,12 @@ struct trx_header { }; +struct edimax_header { + uint32_t sign; /* signature for header */ + uint32_t length; /* start address but doesn't seems to be used... */ + uint32_t start_addr; /* length of data, not used too ...*/ +}; + #define EDIMAX_PS16 0x36315350 /* "PS16" */ #define EDIMAX_HDR_LEN 0xc @@ -93,16 +110,13 @@ int main(int argc, char *argv[]) { FILE *fpIn = NULL; FILE *fpOut = NULL; - long nImgSize; - uint32_t sign = EDIMAX_PS16; /* signature for header */ - uint32_t start_addr = 0x80500000; /* start address but doesn't seems to be used... */ - uint32_t length; /* length of data, not used too ...*/ + struct edimax_header eh; size_t res; + int length; char *buf; struct trx_header *p; - if (argc != 3) { printf("Usage: %s <input file> <output file>\n", argv[0]); return -1; @@ -128,8 +142,8 @@ int main(int argc, char *argv[]) res = fread(buf, 1, length, fpIn); p = (struct trx_header *)buf; - if (p->magic != TRX_MAGIC) { - fprintf(stderr, "Not a trx file...%x\n", p->magic); + if (LOAD32_LE(p->magic) != TRX_MAGIC) { + fprintf(stderr, "Not a trx file...%x\n", LOAD32_LE(p->magic)); return EXIT_FAILURE; } @@ -141,13 +155,16 @@ int main(int argc, char *argv[]) return EXIT_FAILURE; } /* make the 3 partition beeing 12 bytes closer from the header */ - memcpy(buf + p->offsets[2] - EDIMAX_HDR_LEN, buf + p->offsets[2], length - p->offsets[2]); + memcpy(buf + LOAD32_LE(p->offsets[2]) - EDIMAX_HDR_LEN, buf + LOAD32_LE(p->offsets[2]), length - LOAD32_LE(p->offsets[2])); /* recompute the crc32 check */ - p->crc32 = crc32buf((char *) &p->flag_version, length - offsetof(struct trx_header, flag_version)); + p->crc32 = STORE32_LE(crc32buf((char *) &(LOAD32_LE(p->flag_version)), length - offsetof(struct trx_header, flag_version))); + + eh.sign = STORE32_LE(EDIMAX_PS16); + eh.length = STORE32_LE(length); + eh.start_addr = STORE32_LE(0x80500000); + /* write the modified file */ - fwrite(&sign, sizeof(uint32_t), 1, fpOut); - fwrite(&length, sizeof(uint32_t), 1, fpOut); - fwrite(&start_addr, sizeof(uint32_t), 1, fpOut); + fwrite(&eh, sizeof(struct edimax_header), 1, fpOut); fwrite(buf, sizeof(char), length, fpOut); fclose(fpOut); } |