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grub-glue-efi

combine 32-bit and 64-bit EFI binaries

TLDR

Glue EFI binaries
$ grub-glue-efi -3 [ia32.efi] -6 [x64.efi] -o [boot.efi]
copy
Create fat binary
$ grub-glue-efi --input32 [grub32.efi] --input64 [grub64.efi] --output [grub.efi]
copy

SYNOPSIS

grub-glue-efi [options]

DESCRIPTION

grub-glue-efi processes ia32 and amd64 EFI images and glues them according to Apple format, creating an Apple fat EFI binary from two EFI binaries. This enables booting on systems with either 32-bit or 64-bit EFI firmware from a single file.The tool is primarily useful for creating universal EFI binaries for GRUB bootloaders on removable media that must boot on diverse hardware.

PARAMETERS

-3, --input32 FILE

32-bit EFI input.
-6, --input64 FILE
64-bit EFI input.
-o, --output FILE
Output file.
-v, --verbose
Print verbose messages.
--help
Display help information.

CAVEATS

Part of GRUB package. Requires both architecture binaries. For special bootloader scenarios only.

HISTORY

grub-glue-efi was developed as part of GNU GRUB to support universal EFI boot media creation.

SEE ALSO

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