[PATCH 4/5] hw/arm: Restrict CPU clusters to the expected type

[Philippe Mathieu-Daudé]

ARM SSE expects v7-M cores; the ZynqMP SoC expects Cortex-A53/R5F.

Do not allow any other CPU type by setting the cluster 'cpu-type'
property.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/arm/armsse.c      | 1 +
 hw/arm/xlnx-zynqmp.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/hw/arm/armsse.c b/hw/arm/armsse.c
index 0202bad787..1132fdcbe2 100644
--- a/hw/arm/armsse.c
+++ b/hw/arm/armsse.c
@@ -715,6 +715,7 @@ static void armsse_init(Object *obj)
         name = g_strdup_printf("cluster%d", i);
         object_initialize_child(obj, name, &s->cluster[i], TYPE_CPU_CLUSTER);
         qdev_prop_set_uint32(DEVICE(&s->cluster[i]), "cluster-id", i);
+        qdev_prop_set_string(DEVICE(&s->cluster[i]), "cpu-type", TYPE_ARMV7M);
         g_free(name);
 
         name = g_strdup_printf("armv7m%d", i);
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 335cfc417d..e45cf88625 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -224,6 +224,8 @@ static void xlnx_zynqmp_create_rpu(MachineState *ms, 
XlnxZynqMPState *s,
     object_initialize_child(OBJECT(s), "rpu-cluster", &s->rpu_cluster,
                             TYPE_CPU_CLUSTER);
     qdev_prop_set_uint32(DEVICE(&s->rpu_cluster), "cluster-id", 1);
+    qdev_prop_set_string(DEVICE(&s->rpu_cluster), "cpu-type",
+                         ARM_CPU_TYPE_NAME("cortex-r5f"));
 
     for (i = 0; i < num_rpus; i++) {
         const char *name;
@@ -381,6 +383,8 @@ static void xlnx_zynqmp_init(Object *obj)
     object_initialize_child(obj, "apu-cluster", &s->apu_cluster,
                             TYPE_CPU_CLUSTER);
     qdev_prop_set_uint32(DEVICE(&s->apu_cluster), "cluster-id", 0);
+    qdev_prop_set_string(DEVICE(&s->apu_cluster), "cpu-type",
+                         ARM_CPU_TYPE_NAME("cortex-a53"));
 
     for (i = 0; i < num_apus; i++) {
         object_initialize_child(OBJECT(&s->apu_cluster), "apu-cpu[*]",
-- 
2.38.1