if [ "$grub_platform" = "pc" ]; then
  menuentry $"Memory Test" --id 'memtest' {
    linux /boot/memtest.bin
  }
fi
if [ "$grub_platform" = "efi" ]; then
  menuentry $"Memory Test (may not work with Secure Boot)" --id 'memtest' {
    linux /boot/memtest.efi
  }
fi