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pc: apic_common: Extend APIC ID property to 32bit

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ACPI ID is 32 bit wide on CPUs with x2APIC support.
Extend 'id' property to support it.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2016-10-19 14:05:35 +02:00 • committed by Eduardo Habkost
parent 6a91cf04a1
commit 33d7a28829
4 changed files with 49 additions and 3 deletions
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46
hw/intc/apic_common.c
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@ -22,6 +22,7 @@
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "qapi/visitor.h"
#include "hw/i386/apic.h"
#include "hw/i386/apic_internal.h"
#include "trace.h"
@ -428,7 +429,6 @@ static const VMStateDescription vmstate_apic_common = {
};
static Property apic_properties_common[] = {
DEFINE_PROP_UINT8("id", APICCommonState, id, -1),
DEFINE_PROP_UINT8("version", APICCommonState, version, 0x14),
DEFINE_PROP_BIT("vapic", APICCommonState, vapic_control, VAPIC_ENABLE_BIT,
true),
@ -437,6 +437,49 @@ static Property apic_properties_common[] = {
DEFINE_PROP_END_OF_LIST(),
};
static void apic_common_get_id(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
APICCommonState *s = APIC_COMMON(obj);
int64_t value;
value = s->apicbase & MSR_IA32_APICBASE_EXTD ? s->initial_apic_id : s->id;
visit_type_int(v, name, &value, errp);
}
static void apic_common_set_id(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
APICCommonState *s = APIC_COMMON(obj);
DeviceState *dev = DEVICE(obj);
Error *local_err = NULL;
int64_t value;
if (dev->realized) {
qdev_prop_set_after_realize(dev, name, errp);
return;
}
visit_type_int(v, name, &value, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
s->initial_apic_id = value;
s->id = (uint8_t)value;
}
static void apic_common_initfn(Object *obj)
{
APICCommonState *s = APIC_COMMON(obj);
s->id = s->initial_apic_id = -1;
object_property_add(obj, "id", "int",
apic_common_get_id,
apic_common_set_id, NULL, NULL, NULL);
}
static void apic_common_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@ -456,6 +499,7 @@ static const TypeInfo apic_common_type = {
.name = TYPE_APIC_COMMON,
.parent = TYPE_DEVICE,
.instance_size = sizeof(APICCommonState),
.instance_init = apic_common_initfn,
.class_size = sizeof(APICCommonClass),
.class_init = apic_common_class_init,
.abstract = true,