Ejemplo n.º 1
0
void __cpuinit per_cpu_init(void)
{
	int cpu = smp_processor_id();
	int slice = LOCAL_HUB_L(PI_CPU_NUM);
	cnodeid_t cnode = get_compact_nodeid();
	struct hub_data *hub = hub_data(cnode);
	struct slice_data *si = hub->slice + slice;
	int i;

	if (test_and_set_bit(slice, &hub->slice_map))
		return;

	clear_c0_status(ST0_IM);

	per_hub_init(cnode);

	for (i = 0; i < LEVELS_PER_SLICE; i++)
		si->level_to_irq[i] = -1;

	/*
	 * We use this so we can find the local hub's data as fast as only
	 * possible.
	 */
	cpu_data[cpu].data = si;

	cpu_time_init();
	install_ipi();

	/* Install our NMI handler if symmon hasn't installed one. */
	install_cpu_nmi_handler(cputoslice(cpu));

	set_c0_status(SRB_DEV0 | SRB_DEV1);
}
Ejemplo n.º 2
0
void __cpuinit per_cpu_init(void)
{
	int cpu = smp_processor_id();
	int slice = LOCAL_HUB_L(PI_CPU_NUM);
	cnodeid_t cnode = get_compact_nodeid();
	struct hub_data *hub = hub_data(cnode);
	struct slice_data *si = hub->slice + slice;
	int i;

	if (test_and_set_bit(slice, &hub->slice_map))
		return;

	clear_c0_status(ST0_IM);

	per_hub_init(cnode);

	for (i = 0; i < LEVELS_PER_SLICE; i++)
		si->level_to_irq[i] = -1;

	/*
                                                                   
             
  */
	cpu_data[cpu].data = si;

	cpu_time_init();
	install_ipi();

	/*                                                         */
	install_cpu_nmi_handler(cputoslice(cpu));

	set_c0_status(SRB_DEV0 | SRB_DEV1);
}
Ejemplo n.º 3
0
void __init per_cpu_init(void)
{
	int cpu = smp_processor_id();
	int slice = LOCAL_HUB_L(PI_CPU_NUM);
	cnodeid_t cnode = get_compact_nodeid();
	struct hub_data *hub = hub_data(cnode);
	struct slice_data *si = hub->slice + slice;
	int i;

	if (test_and_set_bit(slice, &hub->slice_map))
		return;

	clear_c0_status(ST0_IM);

	for (i = 0; i < LEVELS_PER_SLICE; i++)
		si->level_to_irq[i] = -1;

	/*
	 * Some interrupts are reserved by hardware or by software convention.
	 * Mark these as reserved right away so they won't be used accidently
	 * later.
	 */
	for (i = 0; i <= BASE_PCI_IRQ; i++) {
		__set_bit(i, si->irq_alloc_mask);
		LOCAL_HUB_S(PI_INT_PEND_MOD, i);
	}

	__set_bit(IP_PEND0_6_63, si->irq_alloc_mask);
	LOCAL_HUB_S(PI_INT_PEND_MOD, IP_PEND0_6_63);

	for (i = NI_BRDCAST_ERR_A; i <= MSC_PANIC_INTR; i++) {
		__set_bit(i, si->irq_alloc_mask + 1);
		LOCAL_HUB_S(PI_INT_PEND_MOD, i);
	}

	LOCAL_HUB_L(PI_INT_PEND0);

	/*
	 * We use this so we can find the local hub's data as fast as only
	 * possible.
	 */
	cpu_data[cpu].data = si;

	cpu_time_init();
	install_ipi();

	/* Install our NMI handler if symmon hasn't installed one. */
	install_cpu_nmi_handler(cputoslice(cpu));

	set_c0_status(SRB_DEV0 | SRB_DEV1);

	per_hub_init(cnode);
}