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tools: add padding of data image file for imximage

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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>
This commit is contained in:
Stefano Babic 2013-08-19 19:03:20 +02:00
parent 9bac0bb374
commit 01390aff25
1 changed files with 85 additions and 3 deletions
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88
tools/imximage.c
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@ -365,6 +365,13 @@ static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
name, lineno, token);
exit(EXIT_FAILURE);
}
/*
* The SOC loads from the storage starting at address 0
* then ensures that the load size contains the offset
*/
if (imximage_init_loadsize < imximage_ivt_offset)
imximage_init_loadsize = imximage_ivt_offset;
if (unlikely(cmd_ver_first != 1))
cmd_ver_first = 0;
break;
@ -439,7 +446,8 @@ static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
exit(EXIT_FAILURE);
}
/* Very simple parsing, line starting with # are comments
/*
* Very simple parsing, line starting with # are comments
* and are dropped
*/
while ((getline(&line, &len, fd)) > 0) {
@ -571,18 +579,92 @@ 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;
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 {
if (imximage_init_loadsize < imximage_ivt_offset +
sizeof(imx_header_v2_t))
imximage_init_loadsize = imximage_ivt_offset +
sizeof(imx_header_v2_t);
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)