submenu "Addons ->" --class=submenu {

# EFI:
if [ "${grub_platform}" == "efi" ] ; then
  # arm64 doesn't provide the cpuid command, and we also
  # don't have any memtest* efi files available, so only
  # run on architectures other than arm64 (amd64 + i386)
  if [ "${grub_cpu}" != "arm64" ] ; then
    # try to detect amd64 by checking whether CPU supports 64-bit (long) mode
    if cpuid -l ; then
      if test -e /boot/addons/memtest86+x64.efi ; then
        menuentry "Memory test (memtest86+x64.efi)" {
          chainloader /boot/addons/memtest86+x64.efi
        }
      fi
    else # assume i386
      if test -e /boot/addons/memtest86+ia32.efi ; then
        menuentry "Memory test (memtest86+ia32.efi)" {
          chainloader /boot/addons/memtest86+ia32.efi
        }
      fi
    fi
  fi
fi

# BIOS/non-EFI:
if [ "${grub_platform}" != "efi" ] ; then
  # try to detect amd64 by checking whether CPU supports 64-bit (long) mode
  if cpuid -l ; then
    if test -e /boot/addons/memtest86+x64.bin ; then
      menuentry "Memory test (memtest86+x64.bin)" {
        insmod linux16
        linux16 /boot/addons/memtest86+x64.bin
      }
    elif test -e /boot/addons/memtest ; then # fallback to old memtest
      menuentry "Memory test (memtest86+)" {
        insmod linux16
        linux16 /boot/addons/memtest
      }
    fi
  else  # assume i386
    if test -e /boot/addons/memtest86+ia32.bin ; then
      menuentry "Memory test (memtest86+ia32.bin)" {
        insmod linux16
        linux16 /boot/addons/memtest86+ia32.bin
      }
    elif test -e /boot/addons/memtest ; then # fallback to old memtest
      menuentry "Memory test (memtest86+)" {
        insmod linux16
        linux16 /boot/addons/memtest
      }
    fi
  fi
fi

menuentry "iPXE - boot via network/PXE" {
    if [ "${grub_platform}" == "efi" ] ; then
        chainloader /boot/addons/ipxe.efi
    else
        insmod linux16
        linux16 /boot/addons/ipxe.lkrn
    fi
}

menuentry "Netboot.xyz" {
    if [ "${grub_platform}" == "efi" ] ; then
        chainloader /boot/addons/netboot.xyz.efi
    else
        insmod linux16
        linux16 /boot/addons/netboot.xyz.lkrn
    fi
}

if [ "${grub_platform}" != "efi" ] ; then
    menuentry "Netboot.xyz" {
        insmod linux16
        linux16 /boot/addons/netboot.xyz.lkrn
    }

    menuentry "GRUB - all in one image" {
        insmod linux16
        linux16  /boot/addons/memdisk
        initrd16 /boot/addons/allinone.img
    }

    menuentry "FreeDOS" {
        insmod linux16
        linux16  /boot/addons/memdisk
        initrd16 /boot/addons/balder10.imz
    }

    if [ ${iso_path} ] ; then
        # assume loopback.cfg boot
        menuentry "MirOS bsd4grml (via loopback)" {
            multiboot   /boot/addons/bsd4grml/ldbsd.com
            module      /boot/addons/bsd4grml/bsd.rd bsd
            module      /boot/addons/bsd4grml/loopback.0 boot.cfg
            module      /boot/addons/bsd4grml/loopback.1 boot.1
            module      /boot/addons/bsd4grml/loopback.2 boot.2
            module      /boot/addons/bsd4grml/loopback.3 boot.3
            module      /boot/addons/bsd4grml/loopback.4 boot.4
            module      /boot/addons/bsd4grml/loopback.5 boot.5
            module      /boot/addons/bsd4grml/loopback.6 boot.6
        }
    else
        # assume grub.cfg boot
        menuentry "MirOS bsd4grml (regular method)" {
            multiboot   /boot/addons/bsd4grml/ldbsd.com
        }

        menuentry "MirOS bsd4grml (fallback method)" {
            multiboot   /boot/addons/bsd4grml/ldbsd.com
            module      /boot/addons/bsd4grml/bsd.rd bsd.rd
            module      /boot/addons/bsd4grml/boot.1 boot.1
            module      /boot/addons/bsd4grml/boot.2 boot.2
            module      /boot/addons/bsd4grml/boot.3 boot.3
            module      /boot/addons/bsd4grml/boot.4 boot.4
            module      /boot/addons/bsd4grml/boot.5 boot.5
            module      /boot/addons/bsd4grml/boot.6 boot.6
            module      /boot/addons/bsd4grml/boot.cfg boot.cfg
            module      /boot/grub/grub.img grub.img
        }
    fi # iso_path
fi # efi mode
}

if [ "${grub_platform}" == "efi" ] ; then
menuentry "UEFI Firmware Settings" {
    fwsetup
}
fi # efi mode

menuentry "Boot from next device" {
    exit
}