mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-08 22:36:48 +00:00
35 lines
1.3 KiB
Rust
35 lines
1.3 KiB
Rust
use crate::{
|
||
driver::pci::pci::{BusDeviceFunction, PciAddr},
|
||
mm::PhysAddr,
|
||
};
|
||
|
||
#[cfg(target_arch = "x86_64")]
|
||
pub mod x86_64;
|
||
#[cfg(target_arch = "x86_64")]
|
||
pub use self::x86_64::*; // 公开x86_64架构下的函数，使外界接口统一
|
||
|
||
#[cfg(target_arch = "riscv64")]
|
||
pub mod riscv64;
|
||
#[cfg(target_arch = "riscv64")]
|
||
pub use self::riscv64::*; // 公开riscv64架构下的函数，使外界接口统一
|
||
|
||
pub mod io;
|
||
|
||
/// TraitPciArch Pci架构相关函数，任何架构都应独立实现trait里的函数
|
||
pub trait TraitPciArch {
|
||
/// @brief 读取寄存器值，x86_64架构通过读取两个特定io端口实现
|
||
/// @param bus_device_function 设备的唯一标识符
|
||
/// @param offset 寄存器偏移值
|
||
/// @return 读取到的值
|
||
fn read_config(bus_device_function: &BusDeviceFunction, offset: u8) -> u32;
|
||
/// @brief 写入寄存器值，x86_64架构通过读取两个特定io端口实现
|
||
/// @param bus_device_function 设备的唯一标识符
|
||
/// @param offset 寄存器偏移值
|
||
/// @param data 要写入的值
|
||
fn write_config(bus_device_function: &BusDeviceFunction, offset: u8, data: u32);
|
||
/// @brief PCI域地址到存储器域地址的转换,x86_64架构为一一对应
|
||
/// @param address PCI域地址
|
||
/// @return usize 转换结果
|
||
fn address_pci_to_physical(pci_address: PciAddr) -> PhysAddr;
|
||
}
|