Function run_kernel

crates/virtual-machine/tests/vm_rom_boot.rs:23–47

Assemble a minimal kernel and run it via `VirtualMachine::new_kernel`. Returns (uart_output, exit_code).

(src: &str, max_steps: u64)

        .map(|l| {
            if let Some(name) = l.strip_suffix(':') {
                RvInstruction::Label(name.to_owned())
            } else if l.starts_with('.') {
                RvInstruction::Directive(l.to_owned())
            } else {
                RvInstruction::Directive(format!("\t{l}"))
            }
        })
        .collect();

    let output = Assembler::assemble(&tokens).expect("kernel assembly failed");
    let mut vm = VirtualMachine::new_kernel(&output);
    let result = vm.run(max_steps);
    let code = match result.outcome {
        StepOutcome::Halted(c) => c,
        StepOutcome::Continue => i64::MIN,
    };
    (result.uart_output, code)
}

// --- ROM structure tests ---

#[test]
fn rom_assembles_without_error() {
    let bytes = generate_rom_image();
    assert!(!bytes.is_empty(), "ROM image must not be empty");
}

#[test]