diff options
Diffstat (limited to 'src/data_layout.c')
| -rw-r--r-- | src/data_layout.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/data_layout.c b/src/data_layout.c index 0826092..5d3fe10 100644 --- a/src/data_layout.c +++ b/src/data_layout.c @@ -1065,3 +1065,54 @@ int get_bct_size_from_image(build_image_context *context) context->bct = 0; return bct_size; } + +int resign_bl(build_image_context *context) +{ + int ret; + u_int8_t *buffer, *image; + u_int32_t image_instance = 0; /* support only one instance */ + u_int32_t image_actual_size; /* In bytes */ + u_int32_t bl_length; + u_int32_t pages_in_image; + u_int32_t blk_size, page_size, current_blk, current_page; + u_int32_t offset; + + /* read in bl from image */ + g_soc_config->get_value(token_block_size, &blk_size, context->bct); + g_soc_config->get_value(token_page_size, &page_size, context->bct); + + GET_BL_FIELD(image_instance, start_blk, ¤t_blk); + GET_BL_FIELD(image_instance, start_page, ¤t_page); + GET_BL_FIELD(image_instance, length, &bl_length); + + offset = current_blk * blk_size + + current_page * page_size; + + if (read_from_image(context->input_image_filename, + offset, bl_length, + &image, &image_actual_size, file_type_bin)) { + printf("Error reading image file %s.\n", + context->input_image_filename); + return -ENOMEM; + } + + pages_in_image = ICEIL(image_actual_size, page_size); + + /* Create a local copy of the bl */ + if ((buffer = malloc(pages_in_image * page_size)) == NULL) { + ret = -ENOMEM; + goto fail; + } + + memset(buffer, 0, pages_in_image * page_size); + memcpy(buffer, image, image_actual_size); + + insert_padding(buffer, image_actual_size); + + /* sign bl */ + ret = sign_bl(context, buffer, image_actual_size, image_instance); + free (buffer); + fail: + free (image); + return ret; +} |