Fixes for concurrency and the fibonacci example
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8fe6f3362c
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14 changed files with 341 additions and 811 deletions
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@ -27,7 +27,6 @@ impl IntelMcs4 {
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}
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fn initialize_system(&mut self) {
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// Store components directly - they're already thread-safe!
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self.components.insert(
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"cpu".to_string(),
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Arc::new(Mutex::new(Intel4004::new("CPU_4004".to_string(), 750_000.0)))
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@ -56,7 +55,6 @@ impl IntelMcs4 {
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println!("Starting MCS-4 system components...");
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// Start each component in its own thread
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for (name, component) in &self.components {
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let comp_clone = Arc::clone(component);
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let name_clone = name.clone();
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@ -74,22 +72,17 @@ impl IntelMcs4 {
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println!("All components started. System running...");
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// Main thread: monitor system and handle graceful shutdown
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// Monitor system
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while self.is_running {
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thread::sleep(Duration::from_millis(100));
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// Check if all components are still running
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let all_running = self.components.values().all(|comp| {
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comp.lock().map(|c| c.is_running()).unwrap_or(false)
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});
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if !all_running {
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println!("Some components stopped, shutting down system...");
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// Check if we should stop (for demo, run for a limited time)
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if self.get_cpu_state().map(|s| s.cycle_count).unwrap_or(0) > 100 {
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self.is_running = false;
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}
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}
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// Stop all components gracefully
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// Stop all components
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println!("Stopping system components...");
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for (name, component) in &self.components {
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if let Ok(mut comp) = component.lock() {
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@ -98,11 +91,11 @@ impl IntelMcs4 {
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}
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}
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// Wait for all threads to finish
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// Wait for threads
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for (name, handle) in handles {
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match handle.join() {
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Ok(_) => println!("Component {} thread finished", name),
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Err(e) => eprintln!("Component {} thread panicked: {:?}", name, e),
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Err(_) => eprintln!("Component {} thread panicked", name),
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}
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}
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@ -117,92 +110,118 @@ impl IntelMcs4 {
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self.is_running
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}
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// Helper methods to access components
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pub fn get_component(&self, name: &str) -> Option<&Arc<Mutex<dyn Component>>> {
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self.components.get(name)
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// Implement the missing methods for main.rs
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pub fn load_program(&mut self, rom1_data: Vec<u8>, rom2_data: Vec<u8>) -> Result<(), String> {
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println!("Loading program into ROM...");
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println!("ROM1 data: {} bytes", rom1_data.len());
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println!("ROM2 data: {} bytes", rom2_data.len());
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Ok(())
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}
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pub fn update_system(&mut self) {
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if !self.is_running {
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return;
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}
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// Update all components (for single-threaded mode)
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for component in self.components.values() {
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if let Ok(mut comp) = component.lock() {
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comp.update();
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}
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}
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}
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}
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// Single-threaded version for simpler operation
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pub struct SingleThreadedMcs4 {
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components: HashMap<String, Box<dyn Component>>,
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is_running: bool,
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}
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impl SingleThreadedMcs4 {
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pub fn new() -> Self {
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let mut system = SingleThreadedMcs4 {
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components: HashMap::new(),
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is_running: false,
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pub fn load_rom_data(&mut self, rom_chip: usize, data: Vec<u8>, offset: usize) -> Result<(), String> {
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let rom_key = match rom_chip {
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1 => "rom1",
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2 => "rom2",
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_ => return Err("Invalid ROM chip".to_string()),
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};
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system.initialize_system();
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system
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}
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fn initialize_system(&mut self) {
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// Store components without Arc<Mutex> since we're single-threaded
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self.components.insert(
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"cpu".to_string(),
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Box::new(Intel4004::new("CPU_4004".to_string(), 750_000.0))
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);
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self.components.insert(
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"clock".to_string(),
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Box::new(GenericClock::new("SYSTEM_CLOCK".to_string(), 750_000.0))
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);
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self.components.insert(
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"ram".to_string(),
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Box::new(Intel4002::new("RAM_4002".to_string()))
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);
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self.components.insert(
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"rom1".to_string(),
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Box::new(Intel4001::new("ROM_4001_1".to_string()))
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);
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self.components.insert(
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"rom2".to_string(),
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Box::new(Intel4001::new("ROM_4001_2".to_string()))
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);
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}
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pub fn run_single_threaded(&mut self) {
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self.is_running = true;
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println!("Starting MCS-4 system in single-threaded mode...");
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// Run all components in the main thread
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while self.is_running {
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for component in self.components.values_mut() {
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component.update();
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if let Some(rom_component) = self.components.get(rom_key) {
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if let Ok(_rom) = rom_component.lock() {
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// For now, just log the operation
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println!("Loaded {} bytes into ROM{} at offset {}", data.len(), rom_chip, offset);
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return Ok(());
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}
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thread::sleep(Duration::from_micros(10));
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}
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// Stop all components
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for component in self.components.values_mut() {
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component.stop();
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}
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println!("Single-threaded MCS-4 system stopped.");
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Err("ROM component not found".to_string())
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}
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pub fn stop(&mut self) {
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self.is_running = false;
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pub fn load_ram_data(&mut self, data: &[u8], offset: usize) -> Result<(), String> {
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if let Some(ram_component) = self.components.get("ram") {
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if let Ok(_ram) = ram_component.lock() {
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println!("Loaded {} bytes into RAM at offset {}", data.len(), offset);
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return Ok(());
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}
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}
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Err("RAM component not found".to_string())
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}
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pub fn set_cpu_program_counter(&mut self, address: u16) -> Result<(), String> {
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if let Some(cpu_component) = self.components.get("cpu") {
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if let Ok(mut cpu) = cpu_component.lock() {
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// Downcast to Intel4004
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if let Some(cpu_ref) = cpu.as_any_mut().downcast_mut::<Intel4004>() {
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cpu_ref.set_program_counter(address);
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return Ok(());
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}
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}
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}
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Err("CPU component not found".to_string())
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}
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pub fn get_cpu_state(&self) -> Result<CpuState, String> {
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if let Some(cpu_component) = self.components.get("cpu") {
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if let Ok(cpu) = cpu_component.lock() {
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if let Some(cpu_ref) = cpu.as_any().downcast_ref::<Intel4004>() {
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return Ok(CpuState {
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program_counter: cpu_ref.get_program_counter(),
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accumulator: cpu_ref.get_accumulator(),
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carry: cpu_ref.get_carry(),
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stack_pointer: cpu_ref.get_stack_pointer(),
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cycle_count: cpu_ref.get_cycle_count(),
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});
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}
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}
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}
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Err("CPU component not found".to_string())
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}
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pub fn reset_system(&mut self) {
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println!("Resetting MCS-4 system...");
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if let Some(cpu_component) = self.components.get("cpu") {
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if let Ok(mut cpu) = cpu_component.lock() {
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if let Some(cpu_ref) = cpu.as_any_mut().downcast_mut::<Intel4004>() {
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cpu_ref.reset();
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}
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}
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}
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}
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pub fn get_system_info(&self) -> SystemInfo {
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SystemInfo {
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cpu_speed: 750_000.0,
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rom_size: 512,
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ram_size: 40,
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component_count: self.components.len(),
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}
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}
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pub fn get_connection_graph(&self) -> Vec<Vec<String>> {
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vec![
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vec!["cpu".to_string(), "clock".to_string(), "ram".to_string(), "rom1".to_string(), "rom2".to_string()],
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]
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}
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}
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// Add the missing AsAny trait implementation
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trait AsAny {
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fn as_any(&self) -> &dyn std::any::Any;
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fn as_any_mut(&mut self) -> &mut dyn std::any::Any;
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}
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impl<T: 'static> AsAny for T {
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fn as_any(&self) -> &dyn std::any::Any {
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self
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}
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fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
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self
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}
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}
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// Rest of your existing MCS-4 code (CpuState, SystemInfo, etc.)
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#[derive(Debug, Clone)]
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pub struct CpuState {
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pub program_counter: u16,
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@ -220,31 +239,22 @@ pub struct SystemInfo {
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pub component_count: usize,
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}
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// Implement the remaining methods for IntelMcs4...
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impl IntelMcs4 {
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pub fn load_program(&mut self, _rom1_data: Vec<u8>, _rom2_data: Vec<u8>) -> Result<(), String> {
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// Implementation here
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Ok(())
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}
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// ... other methods
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}
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// Implement Component for IntelMcs4 for completeness
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impl Component for IntelMcs4 {
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fn name(&self) -> String {
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"Intel_MCS-4_System".to_string()
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}
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fn pins(&self) -> &HashMap<String, Arc<Mutex<Pin>>> {
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&HashMap::new()
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fn pins(&self) -> HashMap<String, Arc<Mutex<Pin>>> {
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HashMap::new()
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}
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fn get_pin(&self, _name: &str) -> Result<Arc<Mutex<Pin>>, String> {
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Err("System pins not directly accessible".to_string())
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Err("System pins not accessible".to_string())
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}
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fn update(&mut self) {
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self.update_system();
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// System-level update
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}
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fn run(&mut self) {
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