Method take_trap

crates/virtual-machine/src/cpu/pipeline.rs:758–762

(&mut self, cause: u64, tval: u64, pc: u64)

    fn handle_mret(&mut self) {
        let new_pc = traps::handle_mret(&mut self.regs, &mut self.csrs);
        self.fetch_pc = new_pc;
        self.regs.pc = new_pc;
        self.flush_pipeline();
        self.mret_in_flight = false; // Clear the flag after MRET completes
        self.csrs.increment_instret();
        self.stats.insns_retired += 1;
    }