diff options
Diffstat (limited to 'tools/firmware-utils/src/trx.c')
| -rw-r--r-- | tools/firmware-utils/src/trx.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/tools/firmware-utils/src/trx.c b/tools/firmware-utils/src/trx.c index b983023..728deac 100644 --- a/tools/firmware-utils/src/trx.c +++ b/tools/firmware-utils/src/trx.c @@ -35,6 +35,12 @@ * February 19, 2005 - mbm * * Add -a (align offset) and -b (absolute offset) + * + * March 24, 2010 - markus + * + * extend trx header struct for new version + * assume v1 for as default + * Add option -2 to allow v2 header */ #include <stdio.h> @@ -59,7 +65,6 @@ uint32_t crc32buf(char *buf, size_t len); /* from trxhdr.h */ #define TRX_MAGIC 0x30524448 /* "HDR0" */ -#define TRX_VERSION 1 #define TRX_MAX_LEN 0x720000 #define TRX_NO_HEADER 1 /* Do not write TRX header */ @@ -68,7 +73,7 @@ struct trx_header { uint32_t len; /* Length of file including header */ uint32_t crc32; /* 32-bit CRC from flag_version to end of file */ uint32_t flag_version; /* 0:15 flags, 16:31 version */ - uint32_t offsets[3]; /* Offsets of partitions from start of header */ + uint32_t offsets[4]; /* Offsets of partitions from start of header */ }; /**********************************************************************/ @@ -77,7 +82,9 @@ void usage(void) __attribute__ (( __noreturn__ )); void usage(void) { - fprintf(stderr, "Usage: trx [-o outfile] [-m maxlen] [-a align] [-b offset] [-f file] [-f file [-f file]]\n"); + fprintf(stderr, "Usage:\n"); + fprintf(stderr, " trx [-2] [-o outfile] [-m maxlen] [-a align] [-b offset] \\\n"); + fprintf(stderr, " [-f file] [-f file [-f file [-f file (v2 only)]]]\n"); exit(EXIT_FAILURE); } @@ -93,6 +100,7 @@ int main(int argc, char **argv) uint32_t cur_len; unsigned long maxlen = TRX_MAX_LEN; struct trx_header *p; + char trx_version = 1; fprintf(stderr, "mjn3's trx replacement - v0.81.1\n"); @@ -104,14 +112,24 @@ int main(int argc, char **argv) p = (struct trx_header *) buf; p->magic = STORE32_LE(TRX_MAGIC); - cur_len = sizeof(struct trx_header); - p->flag_version = STORE32_LE((TRX_VERSION << 16)); + cur_len = sizeof(struct trx_header) - 4; /* assume v1 header */ + p->flag_version = STORE32_LE((trx_version << 16)); in = NULL; i = 0; - while ((c = getopt(argc, argv, "-:o:m:a:b:f:A:")) != -1) { + while ((c = getopt(argc, argv, "-:2o:m:a:b:f:A:")) != -1) { switch (c) { + case '2': + /* take care that nothing was written to buf so far */ + if (cur_len != sizeof(struct trx_header) - 4) { + fprintf(stderr, "-2 has to be used before any other argument!\n"); + } + else { + trx_version = 2; + cur_len += 4; + } + break; case 'A': append = 1; /* fall through */ |