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tools: imagetag: add parameter for padding images
Allow images to be padded to a certain size. This prevents CFE from flashing them to the second image offset. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31875 3c298f89-4303-0410-b956-a3cf2f4a3e73
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34f9a0d745
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@ -231,6 +231,19 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, \
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fseek(binfile, rootfsoff + rootfslen - fwaddr + cfelen, SEEK_SET);
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fwrite(&deadcode, sizeof(uint32_t), 1, binfile);
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oldrootfslen = rootfslen;
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if (args->pad_given) {
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uint32_t allfs = 0xffffffff;
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uint32_t pad_size = args->pad_arg * 1024 * 1024;
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printf("Padding image to %d bytes ...\n", pad_size);
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while (imagelen < pad_size) {
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fwrite(&allfs, sizeof(uint32_t), 1, binfile);
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imagelen += 4;
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rootfslen += 4;
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}
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}
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/* Flush the binfile buffer so that when we read from file, it contains
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* everything in the buffer
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*/
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@ -260,6 +273,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, \
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rootfslen = oldrootfslen;
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rootfslen = ( (rootfslen % block_size) > 0 ? (((rootfslen / block_size) + 1) * block_size) : rootfslen );
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kerneloffpadlen = rootfslen - oldrootfslen;
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oldrootfslen = rootfslen;
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kerneloff = rootfsoff + rootfslen;
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kernellen = getlen(kernelfile);
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@ -343,7 +357,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, \
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sprintf(tag.flashImageStart, "%lu", kerneloff);
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sprintf(tag.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
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}
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int2tag(tag.rootLength, rootfslen + sizeof(deadcode));
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int2tag(tag.rootLength, oldrootfslen + sizeof(deadcode));
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if (args->rsa_signature_given) {
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strncpy(tag.rsa_signature, args->rsa_signature_arg, RSASIG_LEN);
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@ -483,6 +497,14 @@ int main(int argc, char **argv)
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exit(1);
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}
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}
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if (parsed_args.pad_given) {
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if (parsed_args.pad_arg < 0) {
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fprintf(stderr, "Error: pad size must be positive.\r");
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exit(1);
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}
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}
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flash_start = strtoul(parsed_args.flash_start_arg, NULL, 16);
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image_offset = strtoul(parsed_args.image_offset_arg, NULL, 16);
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block_size = strtoul(parsed_args.block_size_arg, NULL, 16);
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@ -42,3 +42,4 @@ option "second-image-flag" - "Dual Image Flag (2=not-specified)." values="0", "1
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option "inactive" - "Inactive Flag (2=not-specified)." values="0", "1", "2" default="2" typestr="flag-value" optional
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option "reserved2" - "String for second reserved section." string optional
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option "kernel-file-has-header" - "Indicates that the kernel file includes the kernel header with correct load address and entry point, so no changes are needed" flag off
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option "pad" p "Pad the image to this size if smaller (in MiB)" int typestr="size (in MiB)" optional
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@ -58,12 +58,14 @@ const char *gengetopt_args_info_help[] = {
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" --inactive=flag-value Inactive Flag (2=not-specified). (possible \n values=\"0\", \"1\", \"2\" default=`2')",
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" --reserved2=STRING String for second reserved section.",
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" --kernel-file-has-header Indicates that the kernel file includes the \n kernel header with correct load address and \n entry point, so no changes are needed \n (default=off)",
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" -p, --pad=size (in MiB) Pad the image to this size if smaller (in MiB)",
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0
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};
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typedef enum {ARG_NO
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, ARG_FLAG
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, ARG_STRING
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, ARG_INT
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} cmdline_parser_arg_type;
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static
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@ -113,6 +115,7 @@ void clear_given (struct gengetopt_args_info *args_info)
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args_info->inactive_given = 0 ;
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args_info->reserved2_given = 0 ;
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args_info->kernel_file_has_header_given = 0 ;
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args_info->pad_given = 0 ;
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}
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static
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@ -165,6 +168,7 @@ void clear_args (struct gengetopt_args_info *args_info)
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args_info->reserved2_arg = NULL;
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args_info->reserved2_orig = NULL;
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args_info->kernel_file_has_header_flag = 0;
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args_info->pad_orig = NULL;
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}
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@ -199,6 +203,7 @@ void init_args_info(struct gengetopt_args_info *args_info)
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args_info->inactive_help = gengetopt_args_info_help[23] ;
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args_info->reserved2_help = gengetopt_args_info_help[24] ;
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args_info->kernel_file_has_header_help = gengetopt_args_info_help[25] ;
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args_info->pad_help = gengetopt_args_info_help[26] ;
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}
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@ -323,6 +328,7 @@ cmdline_parser_release (struct gengetopt_args_info *args_info)
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free_string_field (&(args_info->inactive_orig));
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free_string_field (&(args_info->reserved2_arg));
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free_string_field (&(args_info->reserved2_orig));
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free_string_field (&(args_info->pad_orig));
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@ -446,6 +452,8 @@ cmdline_parser_dump(FILE *outfile, struct gengetopt_args_info *args_info)
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write_into_file(outfile, "reserved2", args_info->reserved2_orig, 0);
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if (args_info->kernel_file_has_header_given)
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write_into_file(outfile, "kernel-file-has-header", 0, 0 );
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if (args_info->pad_given)
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write_into_file(outfile, "pad", args_info->pad_orig, 0);
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i = EXIT_SUCCESS;
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@ -690,6 +698,9 @@ int update_arg(void *field, char **orig_field,
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case ARG_FLAG:
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*((int *)field) = !*((int *)field);
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break;
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case ARG_INT:
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if (val) *((int *)field) = strtol (val, &stop_char, 0);
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break;
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case ARG_STRING:
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if (val) {
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string_field = (char **)field;
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@ -702,6 +713,17 @@ int update_arg(void *field, char **orig_field,
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break;
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};
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/* check numeric conversion */
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switch(arg_type) {
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case ARG_INT:
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if (val && !(stop_char && *stop_char == '\0')) {
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fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
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return 1; /* failure */
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}
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break;
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default:
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;
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};
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/* store the original value */
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switch(arg_type) {
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@ -787,10 +809,11 @@ cmdline_parser_internal (
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{ "inactive", 1, NULL, 0 },
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{ "reserved2", 1, NULL, 0 },
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{ "kernel-file-has-header", 0, NULL, 0 },
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{ "pad", 1, NULL, 'p' },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long (argc, argv, "hVi:f:o:b:c:s:n:v:a:m:k:l:e:y:1:2:r:", long_options, &option_index);
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c = getopt_long (argc, argv, "hVi:f:o:b:c:s:n:v:a:m:k:l:e:y:1:2:r:p:", long_options, &option_index);
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if (c == -1) break; /* Exit from `while (1)' loop. */
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@ -1010,6 +1033,18 @@ cmdline_parser_internal (
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goto failure;
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break;
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case 'p': /* Pad the image to this size if smaller (in MiB). */
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if (update_arg( (void *)&(args_info->pad_arg),
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&(args_info->pad_orig), &(args_info->pad_given),
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&(local_args_info.pad_given), optarg, 0, 0, ARG_INT,
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check_ambiguity, override, 0, 0,
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"pad", 'p',
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additional_error))
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goto failure;
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break;
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case 0: /* Long option with no short option */
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/* File with CFE to include in the image.. */
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@ -109,6 +109,9 @@ struct gengetopt_args_info
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const char *reserved2_help; /**< @brief String for second reserved section. help description. */
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int kernel_file_has_header_flag; /**< @brief Indicates that the kernel file includes the kernel header with correct load address and entry point, so no changes are needed (default=off). */
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const char *kernel_file_has_header_help; /**< @brief Indicates that the kernel file includes the kernel header with correct load address and entry point, so no changes are needed help description. */
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int pad_arg; /**< @brief Pad the image to this size if smaller (in MiB). */
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char * pad_orig; /**< @brief Pad the image to this size if smaller (in MiB) original value given at command line. */
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const char *pad_help; /**< @brief Pad the image to this size if smaller (in MiB) help description. */
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unsigned int help_given ; /**< @brief Whether help was given. */
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unsigned int version_given ; /**< @brief Whether version was given. */
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@ -136,6 +139,7 @@ struct gengetopt_args_info
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unsigned int inactive_given ; /**< @brief Whether inactive was given. */
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unsigned int reserved2_given ; /**< @brief Whether reserved2 was given. */
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unsigned int kernel_file_has_header_given ; /**< @brief Whether kernel-file-has-header was given. */
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unsigned int pad_given ; /**< @brief Whether pad was given. */
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} ;
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