grub_size_t size,
grub_uint32_t align);
extern grub_uint64_t EXPORT_FUNC(grub_ieee1275_num_blocks) (grub_uint32_t ihandle);
+extern grub_uint64_t EXPORT_FUNC(grub_ieee1275_num_blocks64) (grub_uint32_t ihandle);
extern grub_addr_t EXPORT_VAR (grub_ieee1275_original_stack);