[PATCH] efi_loader: use well-known guid for auto-created boot option

[Heinrich Schuchardt]

On 10/12/23 07:31, Masahisa Kojima wrote:
> The boot option automatically created by efibootmgr is identified
> by the special guid appended in the optional data of boot option.
> The same mechanism is implemented in the EDK II reference
> implementation, it uses the different guid from the one currently
> U-Boot uses.
> The guid indicating auto-created boot option is not defined in the
> UEFI specification, but some userspace tools such as 'efivar' package
> are aware of the guid used in EDK II as auto-created boot option.
>
> So let's use the same guid as EDK II reference implementation.
>
> Signed-off-by: Masahisa Kojima <masahisa.kojima at linaro.org>

Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

> ---
>   include/efi_loader.h | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/efi_loader.h b/include/efi_loader.h
> index c4207edc91..106006127b 100644
> --- a/include/efi_loader.h
> +++ b/include/efi_loader.h
> @@ -149,8 +149,8 @@ static inline efi_status_t efi_launch_capsules(void)
>
>   /* GUID for the auto generated boot menu entry */
>   #define EFICONFIG_AUTO_GENERATED_ENTRY_GUID \
> -	EFI_GUID(0x38c1acc1, 0x9fc0, 0x41f0, \
> -		 0xb9, 0x01, 0xfa, 0x74, 0xd6, 0xd6, 0xe4, 0xde)
> +	EFI_GUID(0x8108ac4e, 0x9f11, 0x4d59, \
> +		 0x85, 0x0e, 0xe2, 0x1a, 0x52, 0x2c, 0x59, 0xb2)
>
>   /* Use internal device tree when starting UEFI application */
>   #define EFI_FDT_USE_INTERNAL NULL