diff mbox series

[v3,4/9] hw/arm/bcm2836: Only provide "enabled-cpus" property to multicore SoCs

Message ID 20201018203358.1530378-5-f4bug@amsat.org
State Accepted
Commit 96c741d7ce94741234e4ccad0d08c0055dd48c7e
Headers show
Series hw/arm: Add raspi Zero, 1A+ and 3A+ machines | expand

Commit Message

Philippe Mathieu-Daudé Oct. 18, 2020, 8:33 p.m. UTC 
It makes no sense to set enabled-cpus=0 on single core SoCs.

Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/arm/bcm2836.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/hw/arm/bcm2836.c b/hw/arm/bcm2836.c
index c5d46a8e805..fcb2c9c3e73 100644
--- a/hw/arm/bcm2836.c
+++ b/hw/arm/bcm2836.c
@@ -34,6 +34,9 @@  typedef struct BCM283XClass {
 #define BCM283X_GET_CLASS(obj) \
     OBJECT_GET_CLASS(BCM283XClass, (obj), TYPE_BCM283X)
 
+static Property bcm2836_enabled_cores_property =
+    DEFINE_PROP_UINT32("enabled-cpus", BCM283XState, enabled_cpus, 0);
+
 static void bcm2836_init(Object *obj)
 {
     BCM283XState *s = BCM283X(obj);
@@ -44,6 +47,10 @@  static void bcm2836_init(Object *obj)
         object_initialize_child(obj, "cpu[*]", &s->cpu[n].core,
                                 bc->cpu_type);
     }
+    if (bc->core_count > 1) {
+        qdev_property_add_static(DEVICE(obj), &bcm2836_enabled_cores_property);
+        qdev_prop_set_uint32(DEVICE(obj), "enabled-cpus", bc->core_count);
+    }
 
     object_initialize_child(obj, "control", &s->control, TYPE_BCM2836_CONTROL);
 
@@ -130,12 +137,6 @@  static void bcm2836_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static Property bcm2836_props[] = {
-    DEFINE_PROP_UINT32("enabled-cpus", BCM283XState, enabled_cpus,
-                       BCM283X_NCPUS),
-    DEFINE_PROP_END_OF_LIST()
-};
-
 static void bcm283x_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -155,7 +156,6 @@  static void bcm2836_class_init(ObjectClass *oc, void *data)
     bc->ctrl_base = 0x40000000;
     bc->clusterid = 0xf;
     dc->realize = bcm2836_realize;
-    device_class_set_props(dc, bcm2836_props);
 };
 
 #ifdef TARGET_AARCH64
@@ -170,7 +170,6 @@  static void bcm2837_class_init(ObjectClass *oc, void *data)
     bc->ctrl_base = 0x40000000;
     bc->clusterid = 0x0;
     dc->realize = bcm2836_realize;
-    device_class_set_props(dc, bcm2836_props);
 };
 #endif