target/arm: Add cortex-a35

[qemu.git] / hw / arm / virt.c

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 097238faa7a61e321fc1a12f5f96b65bc55961b8..0961e053e5d0b5a43aeb66e3705ab8f7e4a9e41b 100644 (file)
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -199,6 +199,7 @@ static const int a15irqmap[] = {
 static const char *valid_cpus[] = {
     ARM_CPU_TYPE_NAME("cortex-a7"),
     ARM_CPU_TYPE_NAME("cortex-a15"),
+    ARM_CPU_TYPE_NAME("cortex-a35"),
     ARM_CPU_TYPE_NAME("cortex-a53"),
     ARM_CPU_TYPE_NAME("cortex-a57"),
     ARM_CPU_TYPE_NAME("cortex-a72"),
@@ -221,14 +222,18 @@ static bool cpu_type_valid(const char *cpu)
     return false;
 }
 
-static void create_kaslr_seed(MachineState *ms, const char *node)
+static void create_randomness(MachineState *ms, const char *node)
 {
-    uint64_t seed;
+    struct {
+        uint64_t kaslr;
+        uint8_t rng[32];
+    } seed;
 
     if (qemu_guest_getrandom(&seed, sizeof(seed), NULL)) {
         return;
     }
-    qemu_fdt_setprop_u64(ms->fdt, node, "kaslr-seed", seed);
+    qemu_fdt_setprop_u64(ms->fdt, node, "kaslr-seed", seed.kaslr);
+    qemu_fdt_setprop(ms->fdt, node, "rng-seed", seed.rng, sizeof(seed.rng));
 }
 
 static void create_fdt(VirtMachineState *vms)
@@ -251,14 +256,14 @@ static void create_fdt(VirtMachineState *vms)
 
     /* /chosen must exist for load_dtb to fill in necessary properties later */
     qemu_fdt_add_subnode(fdt, "/chosen");
-    if (vms->dtb_kaslr_seed) {
-        create_kaslr_seed(ms, "/chosen");
+    if (vms->dtb_randomness) {
+        create_randomness(ms, "/chosen");
     }
 
     if (vms->secure) {
         qemu_fdt_add_subnode(fdt, "/secure-chosen");
-        if (vms->dtb_kaslr_seed) {
-            create_kaslr_seed(ms, "/secure-chosen");
+        if (vms->dtb_randomness) {
+            create_randomness(ms, "/secure-chosen");
         }
     }
 
@@ -2010,15 +2015,7 @@ static void machvirt_init(MachineState *machine)
         cpuobj = object_new(possible_cpus->cpus[0].type);
         armcpu = ARM_CPU(cpuobj);
 
-        if (object_property_get_bool(cpuobj, "aarch64", NULL)) {
-            pa_bits = arm_pamax(armcpu);
-        } else if (arm_feature(&armcpu->env, ARM_FEATURE_LPAE)) {
-            /* v7 with LPAE */
-            pa_bits = 40;
-        } else {
-            /* Anything else */
-            pa_bits = 32;
-        }
+        pa_bits = arm_pamax(armcpu);
 
         object_unref(cpuobj);
 
@@ -2348,18 +2345,18 @@ static void virt_set_its(Object *obj, bool value, Error **errp)
     vms->its = value;
 }
 
-static bool virt_get_dtb_kaslr_seed(Object *obj, Error **errp)
+static bool virt_get_dtb_randomness(Object *obj, Error **errp)
 {
     VirtMachineState *vms = VIRT_MACHINE(obj);
 
-    return vms->dtb_kaslr_seed;
+    return vms->dtb_randomness;
 }
 
-static void virt_set_dtb_kaslr_seed(Object *obj, bool value, Error **errp)
+static void virt_set_dtb_randomness(Object *obj, bool value, Error **errp)
 {
     VirtMachineState *vms = VIRT_MACHINE(obj);
 
-    vms->dtb_kaslr_seed = value;
+    vms->dtb_randomness = value;
 }
 
 static char *virt_get_oem_id(Object *obj, Error **errp)
@@ -2988,12 +2985,18 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
                                           "Set on/off to enable/disable "
                                           "ITS instantiation");
 
+    object_class_property_add_bool(oc, "dtb-randomness",
+                                   virt_get_dtb_randomness,
+                                   virt_set_dtb_randomness);
+    object_class_property_set_description(oc, "dtb-randomness",
+                                          "Set off to disable passing random or "
+                                          "non-deterministic dtb nodes to guest");
+
     object_class_property_add_bool(oc, "dtb-kaslr-seed",
-                                   virt_get_dtb_kaslr_seed,
-                                   virt_set_dtb_kaslr_seed);
+                                   virt_get_dtb_randomness,
+                                   virt_set_dtb_randomness);
     object_class_property_set_description(oc, "dtb-kaslr-seed",
-                                          "Set off to disable passing of kaslr-seed "
-                                          "dtb node to guest");
+                                          "Deprecated synonym of dtb-randomness");
 
     object_class_property_add_str(oc, "x-oem-id",
                                   virt_get_oem_id,
@@ -3061,8 +3064,8 @@ static void virt_instance_init(Object *obj)
     /* MTE is disabled by default.  */
     vms->mte = false;
 
-    /* Supply a kaslr-seed by default */
-    vms->dtb_kaslr_seed = true;
+    /* Supply kaslr-seed and rng-seed by default */
+    vms->dtb_randomness = true;
 
     vms->irqmap = a15irqmap;
 
@@ -3092,10 +3095,17 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
+static void virt_machine_7_2_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(7, 2)
+
 static void virt_machine_7_1_options(MachineClass *mc)
 {
+    virt_machine_7_2_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_7_1, hw_compat_7_1_len);
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(7, 1)
+DEFINE_VIRT_MACHINE(7, 1)
 
 static void virt_machine_7_0_options(MachineClass *mc)
 {