compare mem_checker and machine

src/simulator/machine.rs

@@ -177,9 +177,7 @@ impl Machine {
 	/// - **machine** which contains a table of instructions
 	pub fn run(machine : Machine){
 		let mut m = machine;
-		for i in 0..MEM_SIZE{
-			Machine::one_instruction(&mut m);
-		}
+		while Machine::one_instruction(&mut m) == 0 {}
 	}
 
 	/// execute the current instruction
@@ -187,7 +185,7 @@ impl Machine {
 	/// ### Parameters
 	/// 
 	/// - **machine** which contains a table of instructions and a pc to the actual instruction
-	pub fn one_instruction(machine :&mut Machine) {
+	pub fn one_instruction(machine :&mut Machine) -> i32 {
 	
 		let unsigned_reg1 : u64;
 		let unsigned_reg2 : u64;
@@ -210,10 +208,11 @@ impl Machine {
 		}
 
 		let val = u32::from_be_bytes(val) as u64;
+		let inst : Instruction = decode(val);
 		Self::print_machine_status(machine);
 		println!("executing instruction : {:016x} at pc {:x}", val, machine.pc);
 		println!("{}", print::print(decode(val), machine.pc as i32));
-		let inst : Instruction = decode(val);
+		
 		
 		
 		match inst.opcode {
@@ -626,10 +625,16 @@ impl Machine {
 					}
 				}
 			}
+			RISCV_SYSTEM => {
+				// temporary return value to stop the loop of run 
+				// before we can use system call 
+				return 1;
+			}
 			_ => { panic!("{:x} opcode non géré pc : {:x}", inst.opcode, machine.pc)},
 		}
 
-		machine.pc += 4; // Possible bug avec jump
+		machine.pc += 4;
+		return 0;
 
 	}