summary refs log tree commit diff stats
diff options
context:
space:
mode:
-rw-r--r--hw/arm/virt.c4
-rw-r--r--hw/arm/xlnx-zynqmp.c2
-rw-r--r--target/arm/cpu.c12
-rw-r--r--target/arm/cpu.h2
-rw-r--r--target/arm/cpu64.c2
5 files changed, 22 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 3a6f895686..769afa0600 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1328,6 +1328,10 @@ static void machvirt_init(MachineState *machine)
             object_property_set_bool(cpuobj, false, "has_el3", NULL);
         }
 
+        if (object_property_find(cpuobj, "has_el2", NULL)) {
+            object_property_set_bool(cpuobj, false, "has_el2", NULL);
+        }
+
         if (vms->psci_conduit != QEMU_PSCI_CONDUIT_DISABLED) {
             object_property_set_int(cpuobj, vms->psci_conduit,
                                     "psci-conduit", NULL);
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 0d86ba35ae..bc4e66b862 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -258,6 +258,8 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
 
         object_property_set_bool(OBJECT(&s->apu_cpu[i]),
                                  s->secure, "has_el3", NULL);
+        object_property_set_bool(OBJECT(&s->apu_cpu[i]),
+                                 false, "has_el2", NULL);
         object_property_set_int(OBJECT(&s->apu_cpu[i]), GIC_BASE_ADDR,
                                 "reset-cbar", &error_abort);
         object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "realized",
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 93ebbc92af..3f2cdb65bf 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -496,6 +496,9 @@ static Property arm_cpu_reset_hivecs_property =
 static Property arm_cpu_rvbar_property =
             DEFINE_PROP_UINT64("rvbar", ARMCPU, rvbar, 0);
 
+static Property arm_cpu_has_el2_property =
+            DEFINE_PROP_BOOL("has_el2", ARMCPU, has_el2, true);
+
 static Property arm_cpu_has_el3_property =
             DEFINE_PROP_BOOL("has_el3", ARMCPU, has_el3, true);
 
@@ -546,6 +549,11 @@ static void arm_cpu_post_init(Object *obj)
 #endif
     }
 
+    if (arm_feature(&cpu->env, ARM_FEATURE_EL2)) {
+        qdev_property_add_static(DEVICE(obj), &arm_cpu_has_el2_property,
+                                 &error_abort);
+    }
+
     if (arm_feature(&cpu->env, ARM_FEATURE_PMU)) {
         qdev_property_add_static(DEVICE(obj), &arm_cpu_has_pmu_property,
                                  &error_abort);
@@ -694,6 +702,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         cpu->id_aa64pfr0 &= ~0xf000;
     }
 
+    if (!cpu->has_el2) {
+        unset_feature(env, ARM_FEATURE_EL2);
+    }
+
     if (!cpu->has_pmu || !kvm_enabled()) {
         cpu->has_pmu = false;
         unset_feature(env, ARM_FEATURE_PMU);
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 16c7c10bfb..151a5d754e 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -577,6 +577,8 @@ struct ARMCPU {
     bool start_powered_off;
     /* CPU currently in PSCI powered-off state */
     bool powered_off;
+    /* CPU has virtualization extension */
+    bool has_el2;
     /* CPU has security extension */
     bool has_el3;
     /* CPU has PMU (Performance Monitor Unit) */
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 73c7f318ec..670c07ab6e 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -110,6 +110,7 @@ static void aarch64_a57_initfn(Object *obj)
     set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
     set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
     set_feature(&cpu->env, ARM_FEATURE_CRC);
+    set_feature(&cpu->env, ARM_FEATURE_EL2);
     set_feature(&cpu->env, ARM_FEATURE_EL3);
     set_feature(&cpu->env, ARM_FEATURE_PMU);
     cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A57;
@@ -169,6 +170,7 @@ static void aarch64_a53_initfn(Object *obj)
     set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
     set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
     set_feature(&cpu->env, ARM_FEATURE_CRC);
+    set_feature(&cpu->env, ARM_FEATURE_EL2);
     set_feature(&cpu->env, ARM_FEATURE_EL3);
     set_feature(&cpu->env, ARM_FEATURE_PMU);
     cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A53;