Fix global var

src/kernel/thread.rs

@@ -2,16 +2,19 @@ use super::process::Process;
 use crate::{simulator::machine::{NUM_INT_REGS, NUM_FP_REGS}, utility::system::ObjectType};
 
 
+#[derive(PartialEq)]
 struct SimulatorContext {
     // todo
 }
 
+#[derive(PartialEq)]
 struct ThreadContext {
     pub int_registers: [i64; NUM_INT_REGS],
     pub float_registers: [i64; NUM_FP_REGS],
     pc: i64,
 }
 
+#[derive(PartialEq)]
 pub struct Thread {
     name: String,
     process: Option<Process>,