コード uefi-rsを使用しています． fn fetch_gop<'a>(system_table: &'a SystemTable<Boot>) -> &'a mut gop::GraphicsOutput<'a> { let gop = system_table .boot_services() .locate_protocol::<gop::GraphicsOutput>() .expect_success("Your computer does not support Graphics Out</gop::graphicsoutput></boot>…