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79 lines
2.2 KiB
79 lines
2.2 KiB
use std::sync::Arc;
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use std::sync::atomic::AtomicU64;
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use std::thread::JoinHandle;
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use std::time::Duration;
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pub use info::ThreadInfo;
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pub use state::RunState;
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use crate::asm::data::literal::Addr;
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use crate::module::EvalRes;
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use crate::runtime::fault::Fault;
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use crate::runtime::frame::StackFrame;
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use crate::runtime::program::Program;
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#[derive(Clone, Copy, Eq, PartialEq, Debug, Ord, PartialOrd)]
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pub struct ThreadToken(pub u32);
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pub struct RunThread {
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pub(crate) info: ThreadInfo,
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pub(crate) state: RunState,
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}
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pub mod info;
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pub mod state;
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pub fn new_uniq() -> Arc<AtomicU64> {
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Arc::new(AtomicU64::new(info::UNIQ_BASE))
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}
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impl RunThread {
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pub fn new(id: ThreadToken, uniq: Option<Arc<AtomicU64>>, program: Arc<Program>, pc: Addr, args: &[u64]) -> Self {
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Self {
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info: ThreadInfo {
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id,
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uniq: uniq.unwrap_or_else(new_uniq),
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program,
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cycle_time: Duration::default(),
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},
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state: RunState {
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frame: StackFrame::new(pc, args),
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call_stack: vec![],
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ext_data: Default::default(),
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},
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}
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}
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pub fn set_speed(&mut self, cycle_time: Duration) {
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self.info.cycle_time = cycle_time;
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}
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pub fn start(self) -> JoinHandle<()> {
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std::thread::spawn(move || {
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self.run();
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})
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}
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fn run(mut self) {
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'run: loop {
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match self.eval_op() {
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Ok(EvalRes { cycles, advance }) => {
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std::thread::sleep(self.info.cycle_time * (cycles as u32));
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trace!("Step {}; Status = {}", advance, self.state.frame.status);
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self.state.frame.pc.advance(advance);
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if self.state.frame.status.invalid {
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warn!("Operation failed with INVALID status!");
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}
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}
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Err(Fault::Halt) => {
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info!("Program ended.");
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break 'run;
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}
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Err(e) => {
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error!("Fault: {:?}", e);
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break 'run;
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}
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}
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}
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}
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}
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