user_trap

os::arch::riscv::trap::trap_handler

Function user_trap 

Source 
pub fn user_trap(
    scause: Scause,
    sepc_old: usize,
    sstatus_old: Sstatus,
    trap_frame: &mut TrapFrame,
)
Expand description

处理来自用户态的陷阱（系统调用、中断、异常）