Added configurability of WS output

.cproject

@@ -72,7 +72,7 @@
 								</inputType>
 							</tool>
 							<tool id="cdt.managedbuild.tool.gnu.assembler.base.1444789864" name="GCC Assembler" superClass="cdt.managedbuild.tool.gnu.assembler.base">
-								<option id="gnu.both.asm.option.include.paths.431492963" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths" valueType="includePath"/>
+								<option id="gnu.both.asm.option.include.paths.431492963" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths"/>
 								<inputType id="cdt.managedbuild.tool.gnu.assembler.input.463921398" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
 							</tool>
 						</toolChain>
@@ -155,7 +155,7 @@
 								</inputType>
 							</tool>
 							<tool id="cdt.managedbuild.tool.gnu.assembler.base.1511882711" name="GCC Assembler" superClass="cdt.managedbuild.tool.gnu.assembler.base">
-								<option id="gnu.both.asm.option.include.paths.905852970" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths" valueType="includePath"/>
+								<option id="gnu.both.asm.option.include.paths.905852970" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths"/>
 								<inputType id="cdt.managedbuild.tool.gnu.assembler.input.1565549569" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
 							</tool>
 						</toolChain>

.gitignore

@@ -6,28 +6,26 @@
 /avr-gdb.cmd
 /main.cpp
 /Debug/
-/Reelease/
 /core
 /*.launch
 /*.csv
 /Release/
 /*.vcd
 /*.ods
-/build/
+/build*/
 /*.logs
 language.settings.xml
 /*.gtkw
 /Debug wo LLVM/
-/atmega.txdb
+/*.txdb
-/atmega.txlgz
+/*.txlgz
-/atmega.txlog
+/*.txlog
 /.??*bdb.d.0
 /.??*bdb.i.0
 /.??*bdb.t
 /tmp/
-/test1.elf
+/*.elf
 /logs/
 /*.log
 /.gdbinit
 /*.out
-/*.txlog

dbt-core

@@ -1 +1 @@
-Subproject commit 3b05de8c14f5d7b5d1ff55f5f244f797992be83d
+Subproject commit 53d78d993a8d3310a8b73fec0b601457b3c0ef75

riscv.sc/incl/sysc/SiFive/gpio.h

@@ -18,6 +18,7 @@
 #define _GPIO_H_
 
 #include "scc/tlm_target.h"
+#include "scc/ext_attribute.h"
 #include <sysc/communication/sc_signal_rv_ports.h>
 
 namespace sysc {
@@ -35,11 +36,13 @@ public:
     gpio(sc_core::sc_module_name nm);
     virtual ~gpio() override; // need to keep it in source file because of fwd declaration of gpio_regs
 
+    scc::ext_attribute<bool> write_to_ws;
 protected:
     void clock_cb();
     void reset_cb();
     void update_pins();
     void pins_cb();
+    void before_end_of_elaboration();
     sc_core::sc_time clk;
     std::unique_ptr<gpio_regs> regs;
     std::shared_ptr<sysc::WsHandler> handler;

riscv.sc/incl/sysc/SiFive/uart.h

@@ -17,6 +17,7 @@
 #ifndef _UART_H_
 #define _UART_H_
 
+#include "scc/ext_attribute.h"
 #include "scc/tlm_target.h"
 
 namespace sysc {
@@ -32,10 +33,12 @@ public:
     uart(sc_core::sc_module_name nm);
     virtual ~uart() override;
 
+    scc::ext_attribute<bool> write_to_ws;
 protected:
     void clock_cb();
     void reset_cb();
     void transmit_data();
+    void before_end_of_elaboration();
     sc_core::sc_time clk;
     std::unique_ptr<uart_regs> regs;
     std::vector<uint8_t> queue;

riscv.sc/incl/sysc/sc_comm_singleton.h

@@ -75,7 +75,8 @@ private:
 	std::unique_ptr<seasocks::Server> m_serv;
 	std::thread t;
 	void thread_func();
-	bool client_started;
+	bool needs_client, client_started;
+	std::vector<std::string> endpoints;
 };
 
 } /* namespace sysc */

riscv.sc/src/sc_main.cpp

@@ -112,7 +112,16 @@ int sc_main(int argc, char *argv[]) {
     // sr_report_handler::add_sc_object_to_filter(&i_simple_system.i_master,
     // sc_core::SC_WARNING, sc_core::SC_MEDIUM);
     // cfg.dump_hierarchy();
-    if (vm.count("elf")) cfg.set_value("i_simple_system.i_core_complex.elf_file", vm["elf"].as<std::string>());
+    cfg.configure();
+    // overwrite with command line settings
+    if (vm.count("gdb-port"))
+    	cfg.set_value("i_simple_system.i_core_complex.gdb_server_port", vm["gdb-port"].as<unsigned short>());
+    if (vm.count("dump-ir"))
+    	cfg.set_value("i_simple_system.i_core_complex.dump_ir", vm.count("dump-ir") != 0);
+    if (vm.count("elf"))
+    	cfg.set_value("i_simple_system.i_core_complex.elf_file", vm["elf"].as<std::string>());
+    if (vm.count("quantum"))
+        tlm::tlm_global_quantum::instance().set(sc_core::sc_time(vm["quantum"].as<unsigned>(), sc_core::SC_NS));
     if (vm.count("reset")) {
         auto str = vm["reset"].as<std::string>();
         uint64_t start_address = str.find("0x") == 0 ? std::stoull(str.substr(2), 0, 16) : std::stoull(str, 0, 10);
@@ -128,11 +137,6 @@ int sc_main(int argc, char *argv[]) {
             LOGGER(disass)::print_severity() = false;
         }
     }
-    cfg.set_value("i_simple_system.i_core_complex.gdb_server_port", vm["gdb-port"].as<unsigned short>());
-    cfg.set_value("i_simple_system.i_core_complex.dump_ir", vm.count("dump-ir") != 0);
-    if (vm.count("quantum")) {
-        tlm::tlm_global_quantum::instance().set(sc_core::sc_time(vm["quantum"].as<unsigned>(), sc_core::SC_NS));
-    }
     ///////////////////////////////////////////////////////////////////////////
     // run simulation
     ///////////////////////////////////////////////////////////////////////////

riscv.sc/src/sysc/gpio.cpp

@@ -29,7 +29,8 @@ gpio::gpio(sc_core::sc_module_name nm)
 , NAMED(clk_i)
 , NAMED(rst_i)
 , NAMED(pins_io)
-, NAMEDD(gpio_regs, regs) {
+, NAMEDD(gpio_regs, regs)
+, NAMED(write_to_ws, true, this){
     regs->registerResources(*this);
     SC_METHOD(clock_cb);
     sensitive << clk_i;
@@ -56,14 +57,18 @@ gpio::gpio(sc_core::sc_module_name nm)
         }
         return true;
     });
-    LOG(TRACE)<<"Adding WS handler for "<<(std::string{"/ws/"}+name());
-    handler=std::make_shared<WsHandler>();
-    sc_comm_singleton::inst().registerWebSocketHandler((std::string{"/ws/"}+name()).c_str(), handler);
-
 }
 
 gpio::~gpio() {}
 
+void gpio::before_end_of_elaboration() {
+	if(write_to_ws.value) {
+		LOG(TRACE)<<"Adding WS handler for "<<(std::string{"/ws/"}+name());
+		handler=std::make_shared<WsHandler>();
+		sc_comm_singleton::inst().registerWebSocketHandler((std::string{"/ws/"}+name()).c_str(), handler);
+	}
+}
+
 void gpio::reset_cb() {
     if (rst_i.read())
         regs->reset_start();
@@ -79,9 +84,8 @@ void gpio::pins_cb(){
 	auto inval=pins_io.read();
 	std::string msg(inval.to_string());
     sc_core::sc_time now = sc_core::sc_time_stamp();
-	sc_comm_singleton::inst().execute([this, msg, now](){
+    if(handler) sc_comm_singleton::inst().execute([this, msg, now](){
 		std::stringstream os;
-		//os << "[" << std::setw(20) << now << "] "<<msg;
 		os << "{\"time\":\"" << now << "\",\"data\":\""<<msg<<"\"}";
 		this->handler->send(os.str());
 	});

riscv.sc/src/sysc/sc_comm_singleton.cpp

@@ -35,6 +35,7 @@ inline void die(){perror(nullptr);exit(errno);}
 sc_comm_singleton::sc_comm_singleton(sc_core::sc_module_name nm)
 : sc_core::sc_module(nm)
 , m_serv(new Server(std::make_shared<PrintfLogger>(Logger::Level::WARNING)))
+, needs_client(false)
 , client_started(false){
 	m_serv->addPageHandler(std::make_shared<DefaultPageHandler>(*this));
 }
@@ -47,7 +48,7 @@ sc_comm_singleton::~sc_comm_singleton() {
 void sc_comm_singleton::start_of_simulation() {
 	//Launch a thread
 	t=std::thread(&sc_comm_singleton::thread_func, this);
-	start_client();
+	if(needs_client) start_client();
 }
 
 void sc_comm_singleton::end_of_simulation() {
@@ -112,6 +113,8 @@ void sc_comm_singleton::registerWebSocketHandler(const char* endpoint,
 		std::shared_ptr<WebSocket::Handler> handler,
 		bool allowCrossOriginRequests) {
 	get_server().addWebSocketHandler(endpoint, handler, allowCrossOriginRequests);
+	endpoints.push_back(endpoint);
+	needs_client=true;
 }
 
 void sc_comm_singleton::execute(std::function<void()> f) {
@@ -136,7 +139,6 @@ std::shared_ptr<Response> sc_comm_singleton::DefaultPageHandler::handle(const Re
 
 void WsHandler::onConnect(WebSocket* connection) {
 	_connections.insert(connection);
-	//connection->send("Connection established");;
 }
 
 void WsHandler::onData(WebSocket* connection, const char* data) {

riscv.sc/src/sysc/uart.cpp

@@ -36,7 +36,8 @@ uart::uart(sc_core::sc_module_name nm)
 , tlm_target<>(clk)
 , NAMED(clk_i)
 , NAMED(rst_i)
-, NAMEDD(uart_regs, regs) {
+, NAMEDD(uart_regs, regs)
+, NAMED(write_to_ws, false, this) {
     regs->registerResources(*this);
     SC_METHOD(clock_cb);
     sensitive << clk_i;
@@ -50,12 +51,17 @@ uart::uart(sc_core::sc_module_name nm)
         }
         return true;
     });
+}
+
+uart::~uart() {}
+
+void uart::before_end_of_elaboration() {
+	if(write_to_ws.value) {
 	    LOG(TRACE)<<"Adding WS handler for "<<(std::string{"/ws/"}+name());
 	    handler=std::make_shared<WsHandler>();
 	    sc_comm_singleton::inst().registerWebSocketHandler((std::string{"/ws/"}+name()).c_str(), handler);
 	}
-
+}
-uart::~uart() {}
 
 void uart::clock_cb() {
 	this->clk = clk_i.read();
@@ -74,6 +80,7 @@ void uart::transmit_data() {
     	std::string msg(queue.begin(), queue.end()-1);
         LOG(INFO) << this->name() << " transmit: '" << msg << "'";
         sc_core::sc_time now = sc_core::sc_time_stamp();
+		if(handler)
 			sc_comm_singleton::inst().execute([this, msg, now](){
 				std::stringstream os;
 				os << "{\"time\":\"" << now << "\",\"message\":\""<<msg<<"\"}";

sc-components

@@ -1 +1 @@
-Subproject commit 174e0f55f11fa932c88b99e352e5e9b58cb9ce71
+Subproject commit 251a735cea414b4a79da99ca438da4335bb0fbc5

simple-system.json

@@ -0,0 +1,10 @@
+{
+	"i_simple_system":{
+		"i_uart0":{
+			"write_to_ws": true
+		},
+		"i_gpio0":{
+			"write_to_ws": true
+		}
+	}
+}