Add a finish method to all endpoints and call it

sim/midas

@@ -1 +1 @@
-Subproject commit 545d2184975e5e43e364614d1a09959774ce3673
+Subproject commit 3b5dd741362408886f3390e89cd809829571bcb2

sim/src/main/cc/endpoints/blockdev.h

@@ -47,6 +47,7 @@ class blockdev_t: public endpoint_t
         virtual void tick();
         virtual bool terminate() { return false; }
         virtual int exit_code() { return 0; }
+        virtual void finish() {};
 
     private:
         BLOCKDEVWIDGET_struct * mmio_addrs;

sim/src/main/cc/endpoints/serial.h

@@ -30,6 +30,7 @@ class serial_t: public endpoint_t
         virtual void tick();
         virtual bool terminate(){ return fesvr->done(); }
         virtual int exit_code(){ return fesvr->exit_code(); }
+        virtual void finish() {};
 
     private:
         SERIALWIDGET_struct * mmio_addrs;

sim/src/main/cc/endpoints/simplenic.h

@@ -21,6 +21,7 @@ class simplenic_t: public endpoint_t
         virtual void tick();
         virtual bool terminate() { return false; };
         virtual int exit_code() { return 0; }
+        virtual void finish() {};
 
     private:
         simif_t* sim;

sim/src/main/cc/endpoints/tracerv.h

@@ -16,8 +16,7 @@ class tracerv_t: public endpoint_t
         virtual void tick();
         virtual bool terminate() { return false; }
         virtual int exit_code() { return 0; }
-        void flush();
-        void finish() { flush(); };
+        virtual void finish() { flush(); };
 
     private:
         TRACERVWIDGET_struct * mmio_addrs;
@@ -28,6 +27,7 @@ class tracerv_t: public endpoint_t
         // Used in unit testing to check TracerV is correctly pulling instuctions off the target
         bool test_output = false;
         long dma_addr;
+        void flush();
         int beats_available_stable();
         std::string tracefilename;
 };

sim/src/main/cc/endpoints/uart.h

@@ -14,6 +14,7 @@ class uart_t: public endpoint_t
         void recv();
         virtual void init() {};
         virtual void tick();
+        virtual void finish() {};
         virtual bool terminate() { return false; }
         virtual int exit_code() { return 0; }
 

sim/src/main/cc/firesim/firesim_top.cc

@@ -444,14 +444,12 @@ void firesim_top_t::run() {
     fprintf(stderr, "FPGA-Cycles-to-Model-Cycles Ratio (FMR): %.2f\n", fmr);
     expect(!exitcode, NULL);
 
-    for (auto e: fpga_models) {
+    for (auto &e: fpga_models) {
+        e->finish();
+    }
+
+    for (auto &e: endpoints) {
         e->finish();
     }
-#ifdef PRINTWIDGET_0_PRESENT
-    print_endpoint->finish();
-#endif
-#ifdef TRACERVWIDGET_0_PRESENT
-    tracerv_endpoint_0->finish();
-#endif
 }