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-rw-r--r--accel/accel.c1
-rw-r--r--hw/core/qdev.c48
-rw-r--r--include/hw/qdev-core.h2
-rw-r--r--vl.c1
4 files changed, 41 insertions, 11 deletions
diff --git a/accel/accel.c b/accel/accel.c
index 0d5b370..8deb475b 100644
--- a/accel/accel.c
+++ b/accel/accel.c
@@ -66,6 +66,7 @@ static int accel_init_machine(AccelClass *acc, MachineState *ms)
*(acc->allowed) = false;
object_unref(OBJECT(accel));
}
+ object_set_accelerator_compat_props(acc->compat_props);
return ret;
}
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 512ce7c..4f3200d 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -978,25 +978,51 @@ static void device_initfn(Object *obj)
QLIST_INIT(&dev->gpios);
}
-void object_apply_compat_props(Object *obj)
+/*
+ * Global property defaults
+ * Slot 0: accelerator's global property defaults
+ * Slot 1: machine's global property defaults
+ * Each is a GPtrArray of of GlobalProperty.
+ * Applied in order, later entries override earlier ones.
+ */
+static GPtrArray *object_compat_props[2];
+
+/*
+ * Set machine's global property defaults to @compat_props.
+ * May be called at most once.
+ */
+void object_set_machine_compat_props(GPtrArray *compat_props)
+{
+ assert(!object_compat_props[1]);
+ object_compat_props[1] = compat_props;
+}
+
+/*
+ * Set accelerator's global property defaults to @compat_props.
+ * May be called at most once.
+ */
+void object_set_accelerator_compat_props(GPtrArray *compat_props)
{
- if (object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) {
- MachineState *m = MACHINE(qdev_get_machine());
- MachineClass *mc = MACHINE_GET_CLASS(m);
+ assert(!object_compat_props[0]);
+ object_compat_props[0] = compat_props;
+}
- if (m->accelerator) {
- AccelClass *ac = ACCEL_GET_CLASS(m->accelerator);
+void object_apply_compat_props(Object *obj)
+{
+ int i;
- if (ac->compat_props) {
- object_apply_global_props(obj, ac->compat_props, &error_abort);
- }
- }
- object_apply_global_props(obj, mc->compat_props, &error_abort);
+ for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) {
+ object_apply_global_props(obj, object_compat_props[i],
+ &error_abort);
}
}
static void device_post_init(Object *obj)
{
+ /*
+ * Note: ordered so that the user's global properties take
+ * precedence.
+ */
object_apply_compat_props(obj);
qdev_prop_set_globals(DEVICE(obj));
}
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 17f09aa..aa8a3ea 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -431,6 +431,8 @@ const char *qdev_fw_name(DeviceState *dev);
Object *qdev_get_machine(void);
+void object_set_machine_compat_props(GPtrArray *compat_props);
+void object_set_accelerator_compat_props(GPtrArray *compat_props);
void object_apply_compat_props(Object *obj);
/* FIXME: make this a link<> */
diff --git a/vl.c b/vl.c
index f46f8d7..5278bea 100644
--- a/vl.c
+++ b/vl.c
@@ -3953,6 +3953,7 @@ int main(int argc, char **argv, char **envp)
configure_rtc(qemu_find_opts_singleton("rtc"));
machine_class = select_machine();
+ object_set_machine_compat_props(machine_class->compat_props);
set_memory_options(&ram_slots, &maxram_size, machine_class);