[t1rocket] refactor mcycle in offline

t1rocketemu/test_common/src/spike_runner.rs

@@ -36,9 +36,6 @@ pub struct SpikeRunner {
   /// implement the get_t() for mcycle csr update
   pub cycle: u64,
 
-  /// for mcycle csr update
-  pub spike_cycle: u64,
-
   pub do_log_vrf: bool,
 }
 
@@ -64,7 +61,6 @@ impl SpikeRunner {
       vlen: args.vlen,
       dlen: args.dlen,
       cycle: 0,
-      spike_cycle: 0,
       do_log_vrf,
     }
   }
@@ -93,7 +89,7 @@ impl SpikeRunner {
     let proc = self.spike.get_proc();
     let state = proc.get_state();
 
-    let mcycle = (self.cycle + self.spike_cycle) as usize;
+    let mcycle = self.cycle as usize;
     state.set_mcycle(0);
 
     let mut event = SpikeEvent::new(spike, self.do_log_vrf);
@@ -123,8 +119,6 @@ impl SpikeRunner {
 
     state.handle_pc(new_pc).unwrap();
 
-    self.spike_cycle += 1;
-
     event
   }