Function set_kernel_trap_entry

os/src/trap/mod.rs:23–33

()

}

fn set_kernel_trap_entry() {
    extern "C" {
        fn __alltraps();
        fn __alltraps_k();
    }
    let __alltraps_k_va = __alltraps_k as usize - __alltraps as usize + TRAMPOLINE;
    unsafe {
        stvec::write(__alltraps_k_va, TrapMode::Direct);
        sscratch::write(trap_from_kernel as usize);
    }
}

fn set_user_trap_entry() {
    unsafe {