Implement function vrec_header to be able to pad the final data image file according the what has been calculated for boot_data.length.
Signed-off-by: Stefano Babic sbabic@denx.de
--- Changes in v3: - uses stat instead of open / fstat / close (Marek Vasut)
Changes in v2: None
tools/imximage.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 72 insertions(+), 2 deletions(-)
diff --git a/tools/imximage.c b/tools/imximage.c index 2b4909e..7281292 100644 --- a/tools/imximage.c +++ b/tools/imximage.c @@ -571,18 +571,88 @@ int imximage_check_params(struct mkimage_params *params) (params->xflag) || !(strlen(params->imagename)); }
+static int imximage_generate(struct mkimage_params *params, + struct image_type_params *tparams) +{ + struct imx_header *imxhdr; + size_t alloc_len; + int dfd; + struct stat sbuf; + char *datafile = params->datafile; + uint32_t pad_len; + + memset(&imximage_header, 0, sizeof(imximage_header)); + + /* + * In order to not change the old imx cfg file + * by adding VERSION command into it, here need + * set up function ptr group to V1 by default. + */ + imximage_version = IMXIMAGE_V1; + /* Be able to detect if the cfg file has no BOOT_FROM tag */ + imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; + imximage_csf_size = 0; + set_hdr_func(imxhdr); + + /* Parse dcd configuration file */ + parse_cfg_file(&imximage_header, params->imagename); + + /* TODO: check i.MX image V1 handling, for now use 'old' style */ + if (imximage_version == IMXIMAGE_V1) + alloc_len = 4096; + else + alloc_len = imximage_init_loadsize - imximage_ivt_offset; + + if (alloc_len < sizeof(struct imx_header)) { + fprintf(stderr, "%s: header error\n", + params->cmdname); + exit(EXIT_FAILURE); + } + + imxhdr = malloc(alloc_len); + + if (!imxhdr) { + fprintf(stderr, "%s: malloc return failure: %s\n", + params->cmdname, strerror(errno)); + exit(EXIT_FAILURE); + } + + memset(imxhdr, 0, alloc_len); + + tparams->header_size = alloc_len; + tparams->hdr = imxhdr; + + /* determine data image file length */ + + if (stat(datafile, &sbuf) < 0) { + fprintf(stderr, "%s: Can't stat %s: %s\n", + params->cmdname, datafile, strerror(errno)); + exit(EXIT_FAILURE); + } + + pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size; + + /* TODO: check i.MX image V1 handling, for now use 'old' style */ + if (imximage_version == IMXIMAGE_V1) + return 0; + else + return pad_len; +} + + /* * imximage parameters */ static struct image_type_params imximage_params = { .name = "Freescale i.MX Boot Image support", - .header_size = sizeof(struct imx_header), - .hdr = (void *)&imximage_header, + .header_size = 0, + .hdr = NULL, .check_image_type = imximage_check_image_types, .verify_header = imximage_verify_header, .print_header = imximage_print_header, .set_header = imximage_set_header, .check_params = imximage_check_params, + .vrec_header = imximage_generate, };
void init_imx_image_type(void)