[tools] add hcsmakeimage, for cable modems/routers based on bcm33xx

[openwrt.git] / tools / firmware-utils / src / trx.c

diff --git a/tools/firmware-utils/src/trx.c b/tools/firmware-utils/src/trx.c
index 787ffa8..44bd06a 100644 (file)
--- 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)
  * 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>
  */
 
 #include <stdio.h>


@@ -59,8 +65,7 @@ uint32_t crc32buf(char *buf, size_t len);
 /* from trxhdr.h */
 
 #define TRX_MAGIC      0x30524448      /* "HDR0" */
 /* from trxhdr.h */
 
 #define TRX_MAGIC      0x30524448      /* "HDR0" */

-#define TRX_VERSION    1
-#define TRX_MAX_LEN    0x5A0000
+#define TRX_MAX_LEN    0x720000

 #define TRX_NO_HEADER  1               /* Do not write TRX header */   
 
 struct trx_header {
 #define TRX_NO_HEADER  1               /* Do not write TRX header */   
 
 struct 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 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)
 {
 
 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 absolute offset] [-x relative offset]\n");
+       fprintf(stderr, "     [-f file] [-f file [-f file [-f file (v2 only)]]]\n");

        exit(EXIT_FAILURE);
 }
 
        exit(EXIT_FAILURE);
 }
 


@@ -88,11 +95,13 @@ int main(int argc, char **argv)
        char *ofn = NULL;
        char *buf;
        char *e;
        char *ofn = NULL;
        char *buf;
        char *e;

-       int c, i;
+       int c, i, append = 0;

        size_t n;
        size_t n;

+       ssize_t n2;

        uint32_t cur_len;
        unsigned long maxlen = TRX_MAX_LEN;
        struct trx_header *p;
        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");
 
 
        fprintf(stderr, "mjn3's trx replacement - v0.81.1\n");
 


@@ -104,17 +113,31 @@ int main(int argc, char **argv)
        p = (struct trx_header *) buf;
 
        p->magic = STORE32_LE(TRX_MAGIC);
        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;
 
 
        in = NULL;
        i = 0;
 

-       while ((c = getopt(argc, argv, "-:o:m:a:b:f:")) != -1) {
+       while ((c = getopt(argc, argv, "-:2o:m:a:x:b:f:A:")) != -1) {

                switch (c) {
                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 */

                        case 'f':
                        case 1:
                        case 'f':
                        case 1:

-                               p->offsets[i++] = STORE32_LE(cur_len);
+                               if (!append)
+                                       p->offsets[i++] = STORE32_LE(cur_len);

 
                                if (!(in = fopen(optarg, "r"))) {
                                        fprintf(stderr, "can not open \"%s\" for reading\n", optarg);
 
                                if (!(in = fopen(optarg, "r"))) {
                                        fprintf(stderr, "can not open \"%s\" for reading\n", optarg);


@@ -134,6 +157,7 @@ int main(int argc, char **argv)
                                        n += ROUND - (n & (ROUND-1));
                                }
                                cur_len += n;
                                        n += ROUND - (n & (ROUND-1));
                                }
                                cur_len += n;

+                               append = 0;

 
                                break;
                        case 'o':
 
                                break;
                        case 'o':


@@ -167,6 +191,7 @@ int main(int argc, char **argv)
                                        fprintf(stderr, "realloc failed");
                                        return EXIT_FAILURE;
                                }
                                        fprintf(stderr, "realloc failed");
                                        return EXIT_FAILURE;
                                }

+                               p = (struct trx_header *) buf;

                                break;
                        case 'a':
                                errno = 0;
                                break;
                        case 'a':
                                errno = 0;


@@ -194,6 +219,25 @@ int main(int argc, char **argv)
                                        memset(buf + cur_len, 0, n - cur_len);
                                        cur_len = n;
                                }
                                        memset(buf + cur_len, 0, n - cur_len);
                                        cur_len = n;
                                }

+                               break;
+                       case 'x':
+                               errno = 0;
+                               n2 = strtol(optarg, &e, 0);
+                               if (errno || (e == optarg) || *e) {
+                                       fprintf(stderr, "illegal numeric string\n");
+                                       usage();
+                               }
+                               if (n2 < 0) {
+                                       if (-n2 > cur_len) {
+                                               fprintf(stderr, "WARNING: current length smaller then -x %d offset\n",n2);
+                                               cur_len = 0;
+                                       } else
+                                               cur_len += n2;
+                               } else {
+                                       memset(buf + cur_len, 0, n2);
+                                       cur_len += n2;
+                               }
+

                                break;
                        default:
                                usage();
                                break;
                        default:
                                usage();


@@ -225,7 +269,7 @@ int main(int argc, char **argv)
        }
 
        fclose(out);
        }
 
        fclose(out);

-
+       

        return EXIT_SUCCESS;
 }
 
        return EXIT_SUCCESS;
 }