[PATCH 1/1] tools/mkeficapsule: correct printf codes

Simon Glass sjg at chromium.org
Wed Aug 14 14:40:11 CEST 2024


Hi Heinrich,

On Wed, 14 Aug 2024 at 01:14, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> uint64_t is defined as unsigned long long on 32bit ARM.
> Convert uint64_t values to unsigned long long and use %llX for printing.
>
>     tools/mkeficapsule.c: In function ‘dump_capsule_auth_header’:
>     tools/mkeficapsule.c:694:66: warning: format ‘%lX’ expects argument of
>     type ‘long unsigned int’, but argument 2 has type ‘uint64_t’
>     {aka ‘long long unsigned int’} [-Wformat=]
>     694 | printf("EFI_FIRMWARE_IMAGE_AUTH.MONOTONIC_COUNT\t\t: %08lX\n",
>         |                                                      ~~~~^
>         |                                                          |
>         |                                                          long unsigned int
>         |                                                      %08llX
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
>  tools/mkeficapsule.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/tools/mkeficapsule.c b/tools/mkeficapsule.c
> index f28008a0829..d346c217f09 100644
> --- a/tools/mkeficapsule.c
> +++ b/tools/mkeficapsule.c
> @@ -691,8 +691,8 @@ static uint32_t dump_fmp_payload_header(
>  static void dump_capsule_auth_header(
>         struct efi_firmware_image_authentication *capsule_auth_hdr)
>  {
> -       printf("EFI_FIRMWARE_IMAGE_AUTH.MONOTONIC_COUNT\t\t: %08lX\n",
> -              capsule_auth_hdr->monotonic_count);
> +       printf("EFI_FIRMWARE_IMAGE_AUTH.MONOTONIC_COUNT\t\t: %08llX\n",
> +              (unsigned long long)capsule_auth_hdr->monotonic_count);
>         printf("EFI_FIRMWARE_IMAGE_AUTH.AUTH_INFO.HDR.dwLENGTH\t: %08X\n",
>                capsule_auth_hdr->auth_info.hdr.dwLength);
>         printf("EFI_FIRMWARE_IMAGE_AUTH.AUTH_INFO.HDR.wREVISION\t: %08X\n",
> @@ -724,10 +724,10 @@ static void dump_fmp_capsule_image_header(
>                image_hdr->update_image_size);
>         printf("FMP_CAPSULE_IMAGE_HDR.UPDATE_VENDOR_CODE_SIZE\t: %08X\n",
>                image_hdr->update_vendor_code_size);
> -       printf("FMP_CAPSULE_IMAGE_HDR.UPDATE_HARDWARE_INSTANCE\t: %08lX\n",
> -              image_hdr->update_hardware_instance);
> -       printf("FMP_CAPSULE_IMAGE_HDR.IMAGE_CAPSULE_SUPPORT\t: %08lX\n",
> -              image_hdr->image_capsule_support);
> +       printf("FMP_CAPSULE_IMAGE_HDR.UPDATE_HARDWARE_INSTANCE\t: %08llX\n",
> +              (unsigned long long)image_hdr->update_hardware_instance);
> +       printf("FMP_CAPSULE_IMAGE_HDR.IMAGE_CAPSULE_SUPPORT\t: %08llX\n",
> +              (unsigned long long)image_hdr->image_capsule_support);

These should be in lower-case hex, by the way. Also see inttypes.h

>
>         printf("--------\n");
>         if (image_hdr->image_capsule_support & CAPSULE_SUPPORT_AUTHENTICATION) {
> --
> 2.45.2
>

Regards,
SImon


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