C++ (Cpp) init_secondary_IRQ示例

示例#1

文件： smpboot.c 项目： avsm/xen-1

/* Boot the current CPU */
void __cpuinit start_secondary(unsigned long boot_phys_offset,
                               unsigned long fdt_paddr,
                               unsigned long hwid)
{
    unsigned int cpuid = init_data.cpuid;

    memset(get_cpu_info(), 0, sizeof (struct cpu_info));

    set_processor_id(cpuid);

    current_cpu_data = boot_cpu_data;
    identify_cpu(&current_cpu_data);

    init_traps();

    setup_virt_paging();

    mmu_init_secondary_cpu();

    gic_init_secondary_cpu();

    init_secondary_IRQ();

    gic_route_ppis();

    init_maintenance_interrupt();
    init_timer_interrupt();

    set_current(idle_vcpu[cpuid]);

    setup_cpu_sibling_map(cpuid);

    /* Run local notifiers */
    notify_cpu_starting(cpuid);
    wmb();

    /* Now report this CPU is up */
    smp_up_cpu = MPIDR_INVALID;
    cpumask_set_cpu(cpuid, &cpu_online_map);
    wmb();

    local_irq_enable();
    local_abort_enable();

    printk(XENLOG_DEBUG "CPU %u booted.\n", smp_processor_id());

    startup_cpu_idle_loop();
}

示例#2

文件： smpboot.c 项目： andyhhp/xen

/* Boot the current CPU */
void start_secondary(unsigned long boot_phys_offset,
                     unsigned long fdt_paddr,
                     unsigned long hwid)
{
    unsigned int cpuid = init_data.cpuid;

    memset(get_cpu_info(), 0, sizeof (struct cpu_info));

    set_processor_id(cpuid);

    identify_cpu(&current_cpu_data);

    init_traps();

    mmu_init_secondary_cpu();

    gic_init_secondary_cpu();

    init_secondary_IRQ();

    init_maintenance_interrupt();
    init_timer_interrupt();

    set_current(idle_vcpu[cpuid]);

    setup_cpu_sibling_map(cpuid);

    /* Run local notifiers */
    notify_cpu_starting(cpuid);
    /*
     * Ensure that previous writes are visible before marking the cpu as
     * online.
     */
    smp_wmb();

    /* Now report this CPU is up */
    cpumask_set_cpu(cpuid, &cpu_online_map);

    local_irq_enable();
    local_abort_enable();

    check_local_cpu_errata();

    printk(XENLOG_DEBUG "CPU %u booted.\n", smp_processor_id());

    startup_cpu_idle_loop();
}

示例#3

文件： smpboot.c 项目： abligh/xen

/* Boot the current CPU */
void __cpuinit start_secondary(unsigned long boot_phys_offset,
                               unsigned long fdt_paddr,
                               unsigned long cpuid)
{
    struct cpuinfo_arm *c = cpu_data + cpuid;

    memset(get_cpu_info(), 0, sizeof (struct cpu_info));

    /* TODO: handle boards where CPUIDs are not contiguous */
    set_processor_id(cpuid);

    *c = boot_cpu_data;
    identify_cpu(c);

    /* Setup Hyp vector base */
    WRITE_SYSREG((vaddr_t)hyp_traps_vector, VBAR_EL2);

    mmu_init_secondary_cpu();
    enable_vfp();

    gic_init_secondary_cpu();

    init_secondary_IRQ();

    gic_route_ppis();

    init_maintenance_interrupt();
    init_timer_interrupt();

    set_current(idle_vcpu[cpuid]);

    setup_cpu_sibling_map(cpuid);

    /* Run local notifiers */
    notify_cpu_starting(cpuid);
    wmb();

    /* Now report this CPU is up */
    cpumask_set_cpu(cpuid, &cpu_online_map);
    wmb();

    local_irq_enable();

    dprintk(XENLOG_DEBUG, "CPU %u booted.\n", smp_processor_id());

    startup_cpu_idle_loop();
}