Hi Sughosh, On Thu, 14 Jul 2022 at 21:40, Sughosh Ganu <sughosh.g...@linaro.org> wrote: > > The Dependable Boot specification[1] describes the structure of the > firmware accept and revert capsules. These are empty capsules which > are used for signalling the acceptance or rejection of the updated > firmware by the OS. Add support for generating these empty capsules. > > [1] - > https://git.codelinaro.org/linaro/dependable-boot/mbfw/uploads/6f7ddfe3be24e18d4319e108a758d02e/mbfw.pdf > > Signed-off-by: Sughosh Ganu <sughosh.g...@linaro.org>
[...] > + capsule_type = CAPSULE_NORMAL_BLOB; > for (;;) { > c = getopt_long(argc, argv, opts_short, options, &idx); > if (c == -1) > @@ -639,22 +693,46 @@ int main(int argc, char **argv) > case 'd': > dump_sig = 1; > break; > - case 'h': > + case 'A': > + capsule_type |= CAPSULE_ACCEPT; > + break; > + case 'R': > + capsule_type |= CAPSULE_REVERT; > + break; capsule_type will be set to CAPSULE_NORMAL_BLOB. I think it's better to have case 'A': if (capsule_type) //error out mentioned A and R are mutually exclusive capsule_type = CAPSULE_ACCEPT; break; case 'R': if (capsule_type) //error out mentioned A and R are mutually exclusive capsule_type |= CAPSULE_REVERT; break; > + default: > print_usage(); > exit(EXIT_SUCCESS); > } > } > > + if (capsule_type == (CAPSULE_ACCEPT | CAPSULE_REVERT)) { > + fprintf(stderr, > + "Select either of Accept or Revert capsule > generation\n"); > + exit(EXIT_FAILURE); > + } > + And get rid of this if [...] Regards /Ilias