Add the device type/parameters support for cbootimage tool.

cbootimage.c

 /**
  * Copyright (c) 2011 NVIDIA Corporation.  All rights reserved.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
@@ skipping 41 matching lines @@
         return write_block_raw(context);
 }
 
 static void
 usage(void)
 {
         printf("Usage: cbootimage [options] configfile imagename\n");
         printf("    options:\n");
         printf("    -h, --help, -?  Display this message.\n");
         printf("    -d, --debug     Output debugging information.\n");
+        printf("    -gbct               Generate the new bct file.\n");
         printf("    configfile      File with configuration information\n");
         printf("    imagename       Output image name\n");
 }
 
 static int
 process_command_line(int argc, char *argv[], build_image_context *context)
 {
         int arg = 1;
 
+        context->generate_bct = 0;
+
         while (arg < argc) {
                 /* Process the next argument. */
                 if (!strcmp(argv[arg], "-h") ||
                     !strcmp(argv[arg], "--help") ||
                     !strcmp(argv[arg], "-?")) {
                         help_only = 1;
                         usage();
                         return 0;
                 } else if (!strcmp(argv[arg], "-d") ||
                 !strcmp(argv[arg], "--debug")) {
                         enable_debug = 1;
                         arg++;
+                } else if (!strcmp(argv[arg], "-gbct")) {
+                        context->generate_bct = 1;
+                        arg++;
                 } else if (argv[arg][0] == '-') {
                         printf("Illegal option %s\n", argv[arg]);
                         usage();
                         return -EINVAL;
                 }
                 else
                         break; /* Finished with options */
         }
 
         /* Handle file specification errors. */
@@ skipping 68 matching lines @@
                                  "w+");
         if (context.raw_file == NULL) {
                 printf("Error opening raw file %s.\n",
                         context.image_filename);
                 goto fail;
         }
 
         /* Parse & process the contents of the config file. */
         process_config_file(&context);
 
+        /* Generate the new bct file */
+        if (context.generate_bct != 0) {
+                /* Signing the bct. */
+                e = sign_bct(&context, context.bct);
+                if (e != 0) 
+                        printf("Signing BCT failed, error: %d.\n", e);
+
+                fwrite(context.bct, 1, sizeof(nvboot_config_table),
+                        context.raw_file);
+                printf("New BCT file %s has been successfully generated!\n",
+                        context.image_filename);
+                goto fail;
+        }
+
         /* Update the bct file */
         /* Update the add on file */
         e = update_addon_item(&context);
         if ( e!= 0) {
                 printf("Write addon item failed, error: %d.\n", e);
                 goto fail;
         }
         /* Peform final signing & encryption of bct. */
         e = sign_bct(&context, context.bct);
         if (e != 0) {
@@ skipping 11 matching lines @@
  fail:
         /* Close the file(s). */
         if (context.raw_file)
                 fclose(context.raw_file);
 
         /* Clean up memory. */
         cleanup_context(&context);
 
         return e;
 }