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