/*
* Initialize fixed idt vectors for use by local apic.
*/
void
lapic_boot_init(paddr_t lapic_base)
{
static int clk_irq = 0;
#ifdef MULTIPROCESSOR
static int ipi_irq = 0;
#endif
lapic_map(lapic_base);
#ifdef MULTIPROCESSOR
idt_vec_set(LAPIC_IPI_VECTOR, Xintripi);
idt_vec_set(LAPIC_IPI_INVLTLB, Xintripi_invltlb);
idt_vec_set(LAPIC_IPI_INVLPG, Xintripi_invlpg);
idt_vec_set(LAPIC_IPI_INVLRANGE, Xintripi_invlrange);
idt_vec_set(LAPIC_IPI_RELOADCR3, Xintripi_reloadcr3);
#endif
idt_vec_set(LAPIC_SPURIOUS_VECTOR, Xintrspurious);
idt_vec_set(LAPIC_TIMER_VECTOR, Xintrltimer);
evcount_attach(&clk_count, "clock", &clk_irq);
#ifdef MULTIPROCESSOR
evcount_attach(&ipi_count, "ipi", &ipi_irq);
#endif
}
static int
madt_lapic_enumerate(struct lapic_enumerator *e)
{
vm_paddr_t lapic_addr;
int bsp_apic_id;
KKASSERT(madt_phyaddr != 0);
lapic_addr = madt_lapic_pass1();
if (lapic_addr == 0)
panic("madt_lapic_enumerate: no local apic");
lapic_map(lapic_addr);
bsp_apic_id = APIC_ID(lapic->id);
if (bsp_apic_id == APICID_MAX) {
/*
* XXX
* Some old brain dead BIOS will set BSP's LAPIC apic id
* to 255, though all LAPIC entries in MADT are valid.
*/
kprintf("%s invalid BSP LAPIC apic id %d\n", __func__,
bsp_apic_id);
return EINVAL;
}
if (madt_lapic_pass2(bsp_apic_id))
panic("madt_lapic_enumerate: madt_lapic_pass2 failed");
return 0;
}
static void
madt_lapic_enumerate(struct lapic_enumerator *e)
{
vm_paddr_t lapic_addr;
int bsp_apic_id;
KKASSERT(madt_phyaddr != 0);
lapic_addr = madt_lapic_pass1();
if (lapic_addr == 0)
panic("madt_lapic_enumerate: no local apic\n");
lapic_map(lapic_addr);
bsp_apic_id = APIC_ID(lapic->id);
if (madt_lapic_pass2(bsp_apic_id))
panic("madt_lapic_enumerate: madt_lapic_pass2 failed\n");
}