Add an option (-l) to display a log of execution in non-interactive mode.

[riscv-isa-sim.git] / riscv / sim.cc

diff --git a/riscv/sim.cc b/riscv/sim.cc
index 0fdd8297f421f03220ed75d2c4fce1b4dd0a85e5..66bebb3b8cbf7bffe61ddba9fd226cf63bd9a7bc 100644 (file)
--- a/riscv/sim.cc
+++ b/riscv/sim.cc
@@ -21,7 +21,7 @@ static void handle_signal(int sig)
 sim_t::sim_t(const char* isa, size_t nprocs, size_t mem_mb,
              const std::vector<std::string>& args)
   : htif(new htif_isasim_t(this, args)), procs(std::max(nprocs, size_t(1))),
-    current_step(0), current_proc(0), debug(false)
+    rtc(0), current_step(0), current_proc(0), debug(false)
 {
   signal(SIGINT, &handle_signal);
   // allocate target machine's memory, shrinking it as necessary
@@ -71,6 +71,8 @@ reg_t sim_t::get_scr(int which)
 
 int sim_t::run()
 {
+  if (!debug && log)
+    set_procs_debug(true);
   while (htif->tick())
   {
     if (debug || ctrlc_pressed)
@@ -93,8 +95,10 @@ void sim_t::step(size_t n)
     {
       current_step = 0;
       procs[current_proc]->yield_load_reservation();
-      if (++current_proc == procs.size())
+      if (++current_proc == procs.size()) {
         current_proc = 0;
+        rtc += INTERLEAVE / INSNS_PER_RTC_TICK;
+      }
 
       htif->tick();
     }
@@ -121,6 +125,11 @@ void sim_t::set_debug(bool value)
   debug = value;
 }
 
+void sim_t::set_log(bool value)
+{
+  log = value;
+}
+
 void sim_t::set_histogram(bool value)
 {
   histogram_enabled = value;