BTINFO_EFI
if (lookup_bootinfo(BTINFO_EFI) == NULL && vm_guest != VM_GUEST_XENPVH)
if (lookup_bootinfo(BTINFO_EFI) != NULL) {
BI_ADD(&btinfo_efi, BTINFO_EFI, sizeof(btinfo_efi));
bi = lookup_bootinfo(BTINFO_EFI);
bootinfo_add((struct btinfo_common *)&bie, BTINFO_EFI, sizeof(bie));
bootinfo_add((struct btinfo_common *)&bie, BTINFO_EFI, sizeof(bie));