Added non-debug ebreak intercept

src/main.c

@@ -8,32 +8,52 @@ char* CURRENT_NAME;
 
 int main(int argc, char** argv)
 {
-    CURRENT_NAME = argc ? argv[0] : NAME;
-    parse_options(argc, argv);
-
-    // Initialize the memory
-    mem_init();
-
-    // Bootload the file passed as argument
-    uint32_t entry_point = bootload(file_path);
-
-    // Initialize the CPU
-    cpu_init();
-    cpu0->pc = entry_point;
-
-    if(gdbstub)
-    {
-        gdbstub_start();
-        gdbstub_wait_for_connection();
-    }
-
-    // CPU simulation : create cpu0 thread
-    if(!gdbstub) cpu0->sim_ticks_left = -1; // Simulate forever
-    pthread_t cpu0_thread;
-    pthread_create(&cpu0_thread, 0, (void*) cpu_loop, cpu0);
-
-    // Wait for the simulation to end
-    pthread_join(cpu0_thread, 0);
-    
-    return 0;
+	CURRENT_NAME = argc ? argv[0] : NAME;
+	parse_options(argc, argv);
+
+	// Initialize the memory
+	mem_init();
+
+	// Bootload the file passed as argument
+	uint32_t entry_point = bootload(file_path);
+
+	// Initialize the CPU
+	cpu_init();
+	cpu0->pc = entry_point;
+
+	if(gdbstub)
+	{
+		gdbstub_start();
+		gdbstub_wait_for_connection();
+	}
+
+	// CPU simulation : create cpu0 thread
+	if(!gdbstub) cpu0->sim_ticks_left = -1; // Simulate forever
+	pthread_t cpu0_thread;
+	pthread_create(&cpu0_thread, 0, (void*) cpu_loop, cpu0);
+
+	// Wait for the simulation to end
+	if(gdbstub)
+	{
+		pthread_join(cpu0_thread, 0);
+	}
+	else
+	{
+		while(1)
+		{
+			pthread_mutex_lock(&cpu0_mutex);
+			pthread_cond_wait(&cpu0->sim_condition, &cpu0_mutex);
+			if(!cpu0->sim_ticks_left && cpu0->sim_ticks_done > 0)
+			{
+				// Simulation ended
+                break;
+			}
+			pthread_mutex_unlock(&cpu0_mutex);
+		}
+
+        fprintf(stderr, "Simulation ended in a non-debug environment\n");
+        return cpu0->regs.a0;
+	}
+
+	return 0;
 }