diff options
Diffstat (limited to 'tools/firmware-utils/src')
| -rw-r--r-- | tools/firmware-utils/src/airlink.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/tools/firmware-utils/src/airlink.c b/tools/firmware-utils/src/airlink.c index 657c97176..4699af373 100644 --- a/tools/firmware-utils/src/airlink.c +++ b/tools/firmware-utils/src/airlink.c @@ -25,10 +25,9 @@ AIRLINK AR525W firmware image structure #include <fcntl.h> #include <netinet/in.h> -typedef unsigned long u32; typedef unsigned char uchar; -u32 crctab[257] = { +uint32_t crctab[257] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, @@ -96,7 +95,7 @@ u32 crctab[257] = { 0 }; -u32 header[] = { +uint32_t header[] = { 0x00000000, 0x4e525241, 0x4b544d47, 0x00000000, 0x00000000, 0x000afd4a, 0x00000000, 0x00000005, 0x00000000, 0x00000000 @@ -107,7 +106,7 @@ static int JFFS2 = 0; int generate_image(char *kname, char *fsname, char *fname, int EHDR) { int i; - u32 lenk, lens; + uint32_t lenk, lens; uchar *bk, *bs; int fkd, ffd, fsd; fkd = open(kname, O_RDONLY); @@ -151,11 +150,11 @@ int generate_image(char *kname, char *fsname, char *fname, int EHDR) return 0; } -u32 crc32(uchar * buf, u32 len) +uint32_t crc32(uchar * buf, uint32_t len) { register int i; - u32 sum; - register u32 s0; + uint32_t sum; + register uint32_t s0; s0 = ~0; for (i = 0; i < len; i++) { s0 = (s0 >> 8) ^ crctab[(uchar) (s0 & 0xFF) ^ buf[i]]; @@ -242,10 +241,10 @@ int main(int argc, char **argv) lseek(fd, 0, SEEK_SET); uchar *buf = malloc(len); read(fd, buf, len); - u32 sum, l0; - u32 MagicS = 0x474d544b; - u32 MagicE = 0x4152524e; - if (ntohl(*((u32 *) buf)) == MagicS) { + uint32_t sum, l0; + uint32_t MagicS = 0x474d544b; + uint32_t MagicE = 0x4152524e; + if (ntohl(*((uint32_t *) buf)) == MagicS) { fprintf(stderr, "Image without extra 8 bytes - Standard header\n"); buf[0x10] = len & 0xff; @@ -255,11 +254,11 @@ int main(int argc, char **argv) lseek(fd, 0x10, SEEK_SET); write(fd, buf + 0x10, 0x4); EHDR = 0; - } else if ((ntohl(*((u32 *) (buf + 0x8))) == MagicS) - && ((ntohl(*((u32 *) (buf + 0x4))) == MagicE))) { + } else if ((ntohl(*((uint32_t *) (buf + 0x8))) == MagicS) + && ((ntohl(*((uint32_t *) (buf + 0x4))) == MagicE))) { fprintf(stderr, "Image with extra 8 bytes - Extended header\n"); - *((u32 *) (buf + 0x18)) = len - 8; + *((uint32_t *) (buf + 0x18)) = len - 8; buf[0x18] = (len - 8) & 0xff; buf[0x19] = ((len - 8) >> 8) & 0xff; buf[0x1a] = ((len - 8) >> 16) & 0xff; @@ -268,11 +267,11 @@ int main(int argc, char **argv) write(fd, buf + 0x18, 0x4); buf += 8; EHDR = 1; - } else if (len == buf[0x10] | ((u32)buf[0x11] << 8) | ((u32)buf[0x12] << 16) | ((u32)buf[0x13] << 24)) { + } else if (len == buf[0x10] | ((uint32_t)buf[0x11] << 8) | ((uint32_t)buf[0x12] << 16) | ((uint32_t)buf[0x13] << 24)) { fprintf(stderr, "Image without extra 8 bytes - Standard header\n"); EHDR = 0; - } else if (len == (buf[0x18] | ((u32)buf[0x19] << 8) | ((u32)buf[0x1a] << 16) | ((u32)buf[0x1b] << 24)) + 8) { + } else if (len == (buf[0x18] | ((uint32_t)buf[0x19] << 8) | ((uint32_t)buf[0x1a] << 16) | ((uint32_t)buf[0x1b] << 24)) + 8) { fprintf(stderr, "Image with extra 8 bytes - Extended header\n"); buf += 8; @@ -281,16 +280,16 @@ int main(int argc, char **argv) fprintf(stderr, "ERROR: Wrong image size\n"); exit(-1); } - l0 = buf[0x10] | ((u32)buf[0x11] << 8) | ((u32)buf[0x12] << 16) | ((u32)buf[0x13] << 24); + l0 = buf[0x10] | ((uint32_t)buf[0x11] << 8) | ((uint32_t)buf[0x12] << 16) | ((uint32_t)buf[0x13] << 24); if (!BHDR) - *((u32 *) & buf[0x18]) = 0; - unsigned long sum0 = buf[0x18] | ((u32)buf[0x19] << 8) | ((u32)buf[0x1a] << 16) | ((u32)buf[0x1b] << 24); - unsigned long sum1 = buf[0x4] | ((u32)buf[0x5] << 8) | ((u32)buf[0x6] << 16) | ((u32)buf[0x7] << 24); - *((u32 *) & buf[0x4]) = 0x0L; + *((uint32_t *) & buf[0x18]) = 0; + unsigned long sum0 = buf[0x18] | ((uint32_t)buf[0x19] << 8) | ((uint32_t)buf[0x1a] << 16) | ((uint32_t)buf[0x1b] << 24); + unsigned long sum1 = buf[0x4] | ((uint32_t)buf[0x5] << 8) | ((uint32_t)buf[0x6] << 16) | ((uint32_t)buf[0x7] << 24); + *((uint32_t *) & buf[0x4]) = 0x0L; memcpy(b, buf, 0x100); memcpy(b + 0x100, buf + ((l0 >> 1) - ((l0 & 0x6) >> 1)), 0x100); memcpy(b + 0x200, buf + (l0 - 0x200), 0x200); - *((u32 *) & b[0x18]) = 0x0L; + *((uint32_t *) & b[0x18]) = 0x0L; sum = crc32(b, 0x400); printf("CRC32 sum0 - (%x, %x, %x)\n", sum, sum0, 0x400); @@ -316,13 +315,13 @@ int main(int argc, char **argv) buf[0x7] = (sum >> 24) & 0xff; write(fd, &buf[0x4], 0x4); if (EHDR) { - unsigned long sum2 = buf[-0x8] | ((u32)buf[-0x7] << 8) | ((u32)buf[-0x6] << 16) | ((u32)buf[-0x5] << 24); - *((u32 *) & buf[-0x8]) = 0L; + unsigned long sum2 = buf[-0x8] | ((uint32_t)buf[-0x7] << 8) | ((uint32_t)buf[-0x6] << 16) | ((uint32_t)buf[-0x5] << 24); + *((uint32_t *) & buf[-0x8]) = 0L; sum = crc32(buf - 0x4, len - 0x4); printf("CRC32 sum2 - (%x, %x, %x)\n", sum, sum2, len - 0x4); lseek(fd, 0, SEEK_SET); - *((u32 *) & buf[-0x8]) = htonl(sum); + *((uint32_t *) & buf[-0x8]) = htonl(sum); write(fd, &buf[-0x8], 0x4); buf -= 8; } |