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-rw-r--r--hw/acpi/ich9.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 30f0df8713..0afac425ec 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -185,6 +185,15 @@ static void pm_powerdown_req(Notifier *n, void *opaque)
acpi_pm1_evt_power_down(&pm->acpi_regs);
}
+static void ich9_cpu_added_req(Notifier *n, void *opaque)
+{
+ ICH9LPCPMRegs *pm = container_of(n, ICH9LPCPMRegs, cpu_added_notifier);
+
+ assert(pm != NULL);
+ AcpiCpuHotplug_add(&pm->acpi_regs.gpe, &pm->gpe_cpu, CPU(opaque));
+ acpi_update_sci(&pm->acpi_regs, pm->irq);
+}
+
void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
qemu_irq sci_irq)
{
@@ -210,6 +219,11 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
qemu_register_reset(pm_reset, pm);
pm->powerdown_notifier.notify = pm_powerdown_req;
qemu_register_powerdown_notifier(&pm->powerdown_notifier);
+
+ AcpiCpuHotplug_init(pci_address_space_io(lpc_pci), OBJECT(lpc_pci),
+ &pm->gpe_cpu, ICH9_CPU_HOTPLUG_IO_BASE);
+ pm->cpu_added_notifier.notify = ich9_cpu_added_req;
+ qemu_register_cpu_added_notifier(&pm->cpu_added_notifier);
}
static void ich9_pm_get_gpe0_blk(Object *obj, Visitor *v,