diff options
Diffstat (limited to 'hw/acpi/piix4.c')
| -rw-r--r-- | hw/acpi/piix4.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index c48cb1b91a..9ae3964099 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -86,6 +86,7 @@ typedef struct PIIX4PMState { uint8_t disable_s4; uint8_t s4_val; + bool cpu_hotplug_legacy; AcpiCpuHotplug gpe_cpu; MemHotplugState acpi_memory_hotplug; @@ -351,7 +352,8 @@ static void piix4_device_plug_cb(HotplugHandler *hotplug_dev, acpi_memory_plug_cb(hotplug_dev, &s->acpi_memory_hotplug, dev, errp); } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { acpi_pcihp_device_plug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev, errp); - } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + } else if (s->cpu_hotplug_legacy && + object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { legacy_acpi_cpu_plug_cb(hotplug_dev, &s->gpe_cpu, dev, errp); } else { error_setg(errp, "acpi: device plug request for not supported device" @@ -560,6 +562,21 @@ static const MemoryRegionOps piix4_gpe_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; + +static bool piix4_get_cpu_hotplug_legacy(Object *obj, Error **errp) +{ + PIIX4PMState *s = PIIX4_PM(obj); + + return s->cpu_hotplug_legacy; +} + +static void piix4_set_cpu_hotplug_legacy(Object *obj, bool value, Error **errp) +{ + PIIX4PMState *s = PIIX4_PM(obj); + + s->cpu_hotplug_legacy = value; +} + static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, PCIBus *bus, PIIX4PMState *s) { @@ -570,6 +587,11 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent, s->use_acpi_pci_hotplug); + s->cpu_hotplug_legacy = true; + object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy", + piix4_get_cpu_hotplug_legacy, + piix4_set_cpu_hotplug_legacy, + NULL); legacy_acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu, PIIX4_CPU_HOTPLUG_IO_BASE); |