Function test_setlint

vmm/src/cpu.rs:3292–3317

()

    #[test]
    fn test_setlint() {
        let hv = hypervisor::new().unwrap();
        let vm = hv
            .create_vm(HypervisorVmConfig::default())
            .expect("new VM fd creation failed");
        hv.check_required_extensions().unwrap();
        // Calling get_lapic will fail if there is no irqchip before hand.
        vm.create_irq_chip().unwrap();
        let vcpu = vm.create_vcpu(0, None).unwrap();
        let klapic_before: LapicState = vcpu.get_lapic().unwrap();

        // Compute the value that is expected to represent LVT0 and LVT1.
        let lint0 = klapic_before.get_klapic_reg(APIC_LVT0);
        let lint1 = klapic_before.get_klapic_reg(APIC_LVT1);
        let lint0_mode_expected = set_apic_delivery_mode(lint0, APIC_MODE_EXTINT);
        let lint1_mode_expected = set_apic_delivery_mode(lint1, APIC_MODE_NMI);

        set_lint(vcpu.as_ref()).unwrap();

        // Compute the value that represents LVT0 and LVT1 after set_lint.
        let klapic_actual: LapicState = vcpu.get_lapic().unwrap();
        let lint0_mode_actual = klapic_actual.get_klapic_reg(APIC_LVT0);
        let lint1_mode_actual = klapic_actual.get_klapic_reg(APIC_LVT1);
        assert_eq!(lint0_mode_expected, lint0_mode_actual);
        assert_eq!(lint1_mode_expected, lint1_mode_actual);
    }

    #[test]
    fn test_setup_fpu() {