set uefi=-eltorito-alt-boot -no-emul-boot -eltorito-platform efi -b efi.img
-rw-r--r-- 1 root root 1179648 Jan 6 2025 efi.img
guest@porteux:~$ file /mnt/sr0/efi.img
efi.img: DOS/MBR boot sector, code offset 0x3c+2, OEM-ID "MSDOS5.0", root entries 224, sectors 2880 (volumes <=32 MB), sectors/FAT 9, sectors/track 18, serial number 0x24ac3aa0, label: "EFISECTOR ", FAT (12 bit), followed by FAT
guest@porteux:~$ 7z l /mnt/sr0/efi.img
7-Zip (z) 26.00 (x64) : Copyright (c) 1999-2026 Igor Pavlov : 2026-02-12
64-bit locale=en_US.UTF-8 Threads:4 OPEN_MAX:1024, ASM
Scanning the drive for archives:
1 file, 1179648 bytes (1152 KiB)
Listing archive: /mnt/sr0/efi.img
--
Path = /mnt/sr0/efi.img
Type = FAT
ERRORS:
Unexpected end of archive
Physical Size = 1474560
File System = FAT12
Cluster Size = 512
Free Space = 1030656
Headers Size = 17920
Modified = 2012-07-25 22:00:30
Label = EFISECTOR
Sector Size = 512
ID = 615266976
Date Time Attr Size Compressed Name
------------------- ----- ------------ ------------ ------------------------
2012-07-25 15:00:30 D.... EFI
2012-07-25 15:00:30 D.... EFI/BOOT
2024-12-16 13:37:40 ....A 425984 425984 EFI/BOOT/BOOTX64.EFI
------------------- ----- ------------ ------------ ------------------------
2024-12-16 13:37:40 425984 425984 1 files, 2 folders
Errors: 1
guest@porteux:~$ strings-BSD EFI/BOOT/BOOTX64.EFI | egrep 'X64.EFI|2024|menu.lst'
/efi/grub/menu.lst
/EFI/BOOT/BOOTX64.EFI
GRUB4DOS for_UEFI 2024-12-16, Mem: %dK/%dM/%ldM, Free_mem_start: 0x%x
/EFI/BOOT/BOOTX64.EFI
/efi/grub/menu.lst
find --set-root /efi/grub/menu.lst
title find /efi/grub/menu.lst
find --set-root /efi/grub/menu.lst
configfile /efi/grub/menu.lst
GRUB4DOS for_UEFI 2024-12-16
https://github.com/porteux/porteux/issues/102#issuecomment-4248183741
