static void
lapic_update_pmc(void *dummy)
{
struct lapic *la;
la = &lapics[lapic_id()];
lapic->lvt_pcint = lvt_mode(la, LVT_PMC, lapic->lvt_pcint);
}
static void
lapic_update_pmc(void *dummy)
{
struct lapic *la;
la = &lapics[lapic_id()];
lapic_write32(LAPIC_LVT_PCINT, lvt_mode(la, APIC_LVT_PMC,
lapic_read32(LAPIC_LVT_PCINT)));
}
void
lapic_setup(int boot)
{
struct lapic *la;
u_int32_t maxlvt;
register_t saveintr;
char buf[MAXCOMLEN + 1];
la = &lapics[lapic_id()];
KASSERT(la->la_present, ("missing APIC structure"));
saveintr = intr_disable();
maxlvt = (lapic->version & APIC_VER_MAXLVT) >> MAXLVTSHIFT;
/* Initialize the TPR to allow all interrupts. */
lapic_set_tpr(0);
/* Setup spurious vector and enable the local APIC. */
lapic_enable();
/* Program LINT[01] LVT entries. */
lapic->lvt_lint0 = lvt_mode(la, LVT_LINT0, lapic->lvt_lint0);
lapic->lvt_lint1 = lvt_mode(la, LVT_LINT1, lapic->lvt_lint1);
/* Program the PMC LVT entry if present. */
if (maxlvt >= LVT_PMC)
lapic->lvt_pcint = lvt_mode(la, LVT_PMC, lapic->lvt_pcint);
/* Program timer LVT and setup handler. */
la->lvt_timer_cache = lapic->lvt_timer =
lvt_mode(la, LVT_TIMER, lapic->lvt_timer);
if (boot) {
snprintf(buf, sizeof(buf), "cpu%d:timer", PCPU_GET(cpuid));
intrcnt_add(buf, &la->la_timer_count);
}
/* Setup the timer if configured. */
if (la->la_timer_mode != 0) {
KASSERT(la->la_timer_period != 0, ("lapic%u: zero divisor",
lapic_id()));
lapic_timer_set_divisor(lapic_timer_divisor);
if (la->la_timer_mode == 1)
lapic_timer_periodic(la, la->la_timer_period, 1);
else
lapic_timer_oneshot(la, la->la_timer_period, 1);
}
/* Program error LVT and clear any existing errors. */
lapic->lvt_error = lvt_mode(la, LVT_ERROR, lapic->lvt_error);
lapic->esr = 0;
/* XXX: Thermal LVT */
/* Program the CMCI LVT entry if present. */
if (maxlvt >= LVT_CMCI)
lapic->lvt_cmci = lvt_mode(la, LVT_CMCI, lapic->lvt_cmci);
intr_restore(saveintr);
}
