From 756fb0605ff2df3b68a27ebd58623dbd1efde575 Mon Sep 17 00:00:00 2001 From: Kip Macy Date: Tue, 21 Oct 2008 06:38:40 +0000 Subject: [PATCH] Add routine for initializing AP clock --- sys/i386/xen/clock.c | 39 ++++++++++++++++++++------------------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/sys/i386/xen/clock.c b/sys/i386/xen/clock.c index 7361c7285b3..b7548003a74 100644 --- a/sys/i386/xen/clock.c +++ b/sys/i386/xen/clock.c @@ -766,27 +766,28 @@ cpu_initclocks(void) } /* should fast clock be enabled ? */ -} - -/* - * - * XXX - */ -#if 0 && defined(SMP) -void -ap_cpu_initclocks(void) -{ - int irq; - int cpu = smp_processor_id(); - per_cpu(processed_system_time, cpu) = processed_system_time; - - irq = bind_virq_to_irq(VIRQ_TIMER); - PCPU_SET(time_irq, irq); - PANIC_IF(intr_add_handler("clk", irq, (driver_filter_t *)clkintr, NULL, - NULL, INTR_TYPE_CLK | INTR_FAST, NULL)); } -#endif + +int +ap_cpu_initclocks(int cpu) +{ + int time_irq; + + xen_set_periodic_tick.period_ns = NS_PER_TICK; + + HYPERVISOR_vcpu_op(VCPUOP_set_periodic_timer, cpu, + &xen_set_periodic_tick); + + if ((time_irq = bind_virq_to_irqhandler(VIRQ_TIMER, cpu, "clk", + (driver_filter_t *)clkintr, NULL, + INTR_TYPE_CLK | INTR_FAST)) < 0) { + panic("failed to register clock interrupt\n"); + } + + return (0); +} + void cpu_startprofclock(void)