Am Montag, den 22.03.2021, 13:02 +0100 schrieb Denis Osterland-Heim:
> This allows to specifiy additional signed blocks
> in the format `offset+size@address` within the imximg.
>
> It is needed by the uuu tool, which loads the image different to
> the imx-usb-loader. It loads the DCD always to 0x910000 in the OCRAM.
> So this area have to be signed as well.
>
> In my case this needs `hab_blocks 0x42c+0x1f0@0x910000`.
>
> It supports to remove quotes to support Kconfig variable here.
>
> Signed-off-by: Denis Osterland-Heim <denis.osterland@xxxxxxxxx>
> ---
> scripts/imx/imx.c | 52 +++++++++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 50 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/imx/imx.c b/scripts/imx/imx.c
> index 6b8dabd04..ce18778f5 100644
> --- a/scripts/imx/imx.c
> +++ b/scripts/imx/imx.c
> @@ -328,6 +328,7 @@ static int do_hab_blocks(struct config_data *data, int argc, char *argv[])
> {
> char *str;
> int ret;
> +int i;
> uint32_t signed_size = data->load_size;
> uint32_t offset = data->image_ivt_offset;
>
> @@ -352,7 +353,7 @@ static int do_hab_blocks(struct config_data *data, int argc, char *argv[])
> }
>
> if (signed_size > 0) {
> -ret = asprintf(&str, "Blocks = 0x%08x 0x%08x 0x%08x \"%s\"\n",
> +ret = asprintf(&str, "Blocks = 0x%08x 0x%08x 0x%08x \"%s\"",
> data->image_load_addr + data->image_ivt_offset, offset,
> signed_size - data->image_ivt_offset, data->outfile);
> } else {
> @@ -365,10 +366,57 @@ static int do_hab_blocks(struct config_data *data, int argc, char *argv[])
> return -ENOMEM;
>
> ret = hab_add_str(data, str);
> +free(str);
> if (ret)
> return ret;
>
> -return 0;
> +for (i = 1; i < argc; i++) {
> +uint32_t addr;
> +uint32_t off;
> +uint32_t size;
> +char *b;
> +char *e;
> +
> +b = argv[i];
> +if (*b == '"') // remove leading qoute
> +b++;
> +if (!*b || *b == '"')
> +continue; // skip if empty
> +
> +off = strtoul(b, &e, 0);
> +if (*e != '+') {
> +fprintf(stderr, "failed to find '+' in '%s'\n", b);
> +fprintf(stderr, "format off+size@addr expected, but given: %s\n", argv[i]);
> +return -EINVAL;
> +}
> +
> +b = e + 1;
> +size = strtoul(b, &e, 0);
> +if (*e != '@') {
> +fprintf(stderr, "failed to find '@' in '%s'\n", b);
> +fprintf(stderr, "format off+size@addr expected, but given: %s\n", argv[i]);
> +return -EINVAL;
> +}
> +
> +b = e + 1;
> +addr = strtoul(b, &e, 0);
> +if (*e && *e != '"') { // ignore trailing qoute
> +fprintf(stderr, "unexpected char at the end: '%c'\n", *e);
> +fprintf(stderr, "format off+size@addr expected, but given: %s\n", argv[i]);
> +return -EINVAL;
> +}
> +
> +ret = asprintf(&str, ", 0x%08x 0x%08x 0x%08x \"%s\"", addr, off, size, data->outfile);
> +if (ret < 0)
> +return -ENOMEM;
> +
> +ret = hab_add_str(data, str);
> +free(str);
> +if (ret)
> +return ret;
> +}
> +
> +return hab_add_str(data, "\n");
> }
>
> static int do_hab_encrypt(struct config_data *data, int argc, char *argv[])
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