示例#1
0
文件: vtimer.c 项目: HackLinux/xen-1
int domain_vtimer_init(struct domain *d)
{
    d->arch.phys_timer_base.offset = NOW();
    d->arch.virt_timer_base.offset = READ_SYSREG64(CNTPCT_EL0);

    /* At this stage vgic_reserve_virq can't fail */
    if ( is_hardware_domain(d) )
    {
        if ( !vgic_reserve_virq(d, timer_get_irq(TIMER_PHYS_SECURE_PPI)) )
            BUG();

        if ( !vgic_reserve_virq(d, timer_get_irq(TIMER_PHYS_NONSECURE_PPI)) )
            BUG();

        if ( !vgic_reserve_virq(d, timer_get_irq(TIMER_VIRT_PPI)) )
            BUG();
    }
    else
    {
        if ( !vgic_reserve_virq(d, GUEST_TIMER_PHYS_S_PPI) )
            BUG();

        if ( !vgic_reserve_virq(d, GUEST_TIMER_PHYS_NS_PPI) )
            BUG();

        if ( !vgic_reserve_virq(d, GUEST_TIMER_VIRT_PPI) )
            BUG();
    }

    return 0;
}
示例#2
0
文件: vtimer.c 项目: HackLinux/xen-1
int vcpu_vtimer_init(struct vcpu *v)
{
    struct vtimer *t = &v->arch.phys_timer;
    bool_t d0 = is_hardware_domain(v->domain);

    /*
     * Hardware domain uses the hardware interrupts, guests get the virtual
     * platform.
     */

    init_timer(&t->timer, phys_timer_expired, t, v->processor);
    t->ctl = 0;
    t->cval = NOW();
    t->irq = d0
        ? timer_get_irq(TIMER_PHYS_NONSECURE_PPI)
        : GUEST_TIMER_PHYS_NS_PPI;
    t->v = v;

    t = &v->arch.virt_timer;
    init_timer(&t->timer, virt_timer_expired, t, v->processor);
    t->ctl = 0;
    t->irq = d0
        ? timer_get_irq(TIMER_VIRT_PPI)
        : GUEST_TIMER_VIRT_PPI;
    t->v = v;

    v->arch.vtimer_initialized = 1;

    return 0;
}
示例#3
0
文件: vtimer.c 项目: 0day-ci/xen
int domain_vtimer_init(struct domain *d, struct xen_arch_domainconfig *config)
{
    d->arch.phys_timer_base.offset = NOW();
    d->arch.virt_timer_base.offset = READ_SYSREG64(CNTPCT_EL0);
    d->time_offset_seconds = ticks_to_ns(d->arch.virt_timer_base.offset - boot_count);
    do_div(d->time_offset_seconds, 1000000000);

    config->clock_frequency = timer_dt_clock_frequency;

    /* At this stage vgic_reserve_virq can't fail */
    if ( is_hardware_domain(d) )
    {
        if ( !vgic_reserve_virq(d, timer_get_irq(TIMER_PHYS_SECURE_PPI)) )
            BUG();

        if ( !vgic_reserve_virq(d, timer_get_irq(TIMER_PHYS_NONSECURE_PPI)) )
            BUG();

        if ( !vgic_reserve_virq(d, timer_get_irq(TIMER_VIRT_PPI)) )
            BUG();
    }
    else
    {
        if ( !vgic_reserve_virq(d, GUEST_TIMER_PHYS_S_PPI) )
            BUG();

        if ( !vgic_reserve_virq(d, GUEST_TIMER_PHYS_NS_PPI) )
            BUG();

        if ( !vgic_reserve_virq(d, GUEST_TIMER_VIRT_PPI) )
            BUG();
    }

    return 0;
}