[xcc] minor performance tweaks

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

diff --git a/riscv/riscv-isa-run.cc b/riscv/riscv-isa-run.cc
index 83bb28637922f0393eeae6b63f0f3009146b0a1d..bd3b102a2dbb263c06011cbc81c175a78d10c020 100644 (file)
--- a/riscv/riscv-isa-run.cc
+++ b/riscv/riscv-isa-run.cc
@@ -9,8 +9,9 @@ int main(int argc, char** argv)
   bool debug = false;
   int nprocs = 1;
   int fromhost_fd = -1, tohost_fd = -1;
+  size_t icsim_sets = 1024, icsim_linesz = 32, icsim_ways = 1;
 
-  for(int c; (c = getopt(argc,argv,"dpf:t:")) != -1; )
+  for(int c; (c = getopt(argc,argv,"dp:f:t:i:")) != -1; )
   {
     switch(c)
     {
@@ -26,15 +27,32 @@ int main(int argc, char** argv)
       case 't':
         tohost_fd = atoi(optarg);
         break;
+      case 'i':
+        switch(optarg[0])
+        {
+          case 's':
+            icsim_sets = atoi(optarg+1);
+            break;
+          case 'l':
+            icsim_linesz = atoi(optarg+1);
+            break;
+          case 'a':
+            icsim_ways = atoi(optarg+1);
+            break;
+        }
+        break;
     }
   }
 
   demand(fcntl(fromhost_fd,F_GETFD) >= 0, "fromhost file not open");
   demand(fcntl(tohost_fd,F_GETFD) >= 0, "tohost file not open");
 
-  appserver_link_t applink(tohost_fd,fromhost_fd);
+  icsim_t icache(icsim_sets, icsim_ways, icsim_linesz, "I$");
+  icsim_t dcache(512, 2, 32, "D$");
+
+  appserver_link_t applink(tohost_fd, fromhost_fd);
 
-  sim_t s(nprocs,MEMSIZE,&applink);
+  sim_t s(nprocs, &applink, &icache, &dcache);
   try
   {
     s.run(debug);