1 use crate::driver::pci::pci_irq::TriggerMode; 2 /// @brief 获得MSI Message Address 3 /// @param processor 目标CPU ID号 4 /// @return MSI Message Address 5 pub fn arch_msi_message_address(processor: u16) -> u32 { 6 0xfee00000 | ((processor as u32) << 12) 7 } 8 /// @brief 获得MSI Message Data 9 /// @param vector 分配的中断向量号 10 /// @param processor 目标CPU ID号 11 /// @param trigger 申请中断的触发模式，MSI默认为边沿触发 12 /// @return MSI Message Address 13 pub fn arch_msi_message_data(vector: u16, _processor: u16, trigger: TriggerMode) -> u32 { 14 match trigger { 15 TriggerMode::EdgeTrigger => vector as u32, 16 TriggerMode::AssertHigh => vector as u32 | 1 << 15 | 1 << 14, 17 TriggerMode::AssertLow => vector as u32 | 1 << 15, 18 } 19 } 20