1 /// 每个架构都需要实现的IO接口 2 pub trait PortIOArch { 3 unsafe fn in8(port: u16) -> u8; 4 unsafe fn in16(port: u16) -> u16; 5 unsafe fn in32(port: u16) -> u32; 6 unsafe fn out8(port: u16, data: u8); 7 unsafe fn out16(port: u16, data: u16); 8 unsafe fn out32(port: u16, data: u32); 9 } 10