[PATCH v2 3/4] cmd: efidebug: add ecpt command

[Ilias Apalodimas]

On Mon, 9 Mar 2026 at 18:36, Vincent Stehlé <vincent.stehle at arm.com> wrote:
>
> Add an "efidebug ecpt" command, to print the conformance profiles in the
> ECPT:
>
>   => efidebug ecpt
>   cce33c35-74ac-4087-bce7-8b29b02eeb27  EFI EBBR 2.1 Conformance Profile
>
> Suggested-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Signed-off-by: Vincent Stehlé <vincent.stehle at arm.com>
> Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> Cc: Tom Rini <trini at konsulko.com>
> ---
>
> Changes in v2:
> - Change log level to error and adapt the printed message (suggested by
>   Heinrich)
> - Also in that case, return an error code
>
>  cmd/efidebug.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 49 insertions(+)
>

Acked-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

> diff --git a/cmd/efidebug.c b/cmd/efidebug.c
> index 109496d9e95..7b733119c82 100644
> --- a/cmd/efidebug.c
> +++ b/cmd/efidebug.c
> @@ -533,6 +533,47 @@ static int do_efi_show_defaults(struct cmd_tbl *cmdtp, int flag,
>         return CMD_RET_SUCCESS;
>  }
>
> +#if CONFIG_IS_ENABLED(EFI_ECPT)
> +/**
> + * do_efi_show_ecpt() - show UEFI conformance profiles in ECPT
> + *
> + * @cmdtp:     Command table
> + * @flag:      Command flag
> + * @argc:      Number of arguments
> + * @argv:      Argument array
> + * Return:     CMD_RET_SUCCESS on success,
> + *             CMD_RET_USAGE or CMD_RET_FAILURE on failure
> + *
> + * Implement efidebug "ecpt" sub-command.
> + * Show all the UEFI Conformance Profiles listed in the EFI Conformance Profiles
> + * Table (ECPT).
> + */
> +static int do_efi_show_ecpt(struct cmd_tbl *cmdtp, int flag, int argc,
> +                           char *const argv[])
> +{
> +       const struct efi_conformance_profiles_table *ecpt;
> +       u16 n;
> +
> +       if (argc != 1)
> +               return CMD_RET_USAGE;
> +
> +       ecpt = efi_get_configuration_table(&efi_ecpt_guid);
> +       if (!ecpt) {
> +               log_err("ECPT table missing\n");
> +               return CMD_RET_FAILURE;
> +       }
> +
> +       for (n = 0; n < ecpt->number_of_profiles; n++) {
> +               const efi_guid_t *guid = &ecpt->conformance_profiles[n];
> +
> +               printf("%pUl  %s\n", guid->b,
> +                      uuid_guid_get_str(guid->b) ?: "(unknown)");
> +       }
> +
> +       return CMD_RET_SUCCESS;
> +}
> +#endif /* CONFIG_IS_ENABLED(EFI_ECPT) */
> +
>  static const char * const efi_mem_type_string[] = {
>         [EFI_RESERVED_MEMORY_TYPE] = "RESERVED",
>         [EFI_LOADER_CODE] = "LOADER CODE",
> @@ -1586,6 +1627,10 @@ static struct cmd_tbl cmd_efidebug_sub[] = {
>                          "", ""),
>         U_BOOT_CMD_MKENT(defaults, CONFIG_SYS_MAXARGS, 1, do_efi_show_defaults,
>                          "", ""),
> +#if CONFIG_IS_ENABLED(EFI_ECPT)
> +       U_BOOT_CMD_MKENT(ecpt, CONFIG_SYS_MAXARGS, 1, do_efi_show_ecpt,
> +                        "", ""),
> +#endif
>         U_BOOT_CMD_MKENT(images, CONFIG_SYS_MAXARGS, 1, do_efi_show_images,
>                          "", ""),
>         U_BOOT_CMD_MKENT(memmap, CONFIG_SYS_MAXARGS, 1, do_efi_show_memmap,
> @@ -1680,6 +1725,10 @@ U_BOOT_LONGHELP(efidebug,
>         "  - show UEFI handles\n"
>         "efidebug defaults\n"
>         "  - show default EFI filename and PXE architecture\n"
> +#if CONFIG_IS_ENABLED(EFI_ECPT)
> +       "efidebug ecpt\n"
> +       "  - show conformance profiles in the ECPT\n"
> +#endif
>         "efidebug images\n"
>         "  - show loaded images\n"
>         "efidebug memmap\n"
> --
> 2.53.0
>