aboutsummaryrefslogtreecommitdiff
path: root/target-arm
diff options
context:
space:
mode:
Diffstat (limited to 'target-arm')
-rw-r--r--target-arm/cpu-qom.h2
-rw-r--r--target-arm/cpu.c45
2 files changed, 22 insertions, 25 deletions
diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
index 3991173d47..a42495bac9 100644
--- a/target-arm/cpu-qom.h
+++ b/target-arm/cpu-qom.h
@@ -80,9 +80,11 @@ void arm_gt_stimer_cb(void *opaque);
#define ARM_AFF2_MASK (0xFFULL << ARM_AFF2_SHIFT)
#define ARM_AFF3_SHIFT 32
#define ARM_AFF3_MASK (0xFFULL << ARM_AFF3_SHIFT)
+#define ARM_DEFAULT_CPUS_PER_CLUSTER 8
#define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
#define ARM64_AFFINITY_MASK \
(ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
+#define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
#endif
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 1b9540e085..fb272a86c1 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -434,29 +434,16 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
}
}
-#define ARM_CPUS_PER_CLUSTER 8
-
static void arm_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
ARMCPU *cpu = ARM_CPU(obj);
static bool inited;
- uint32_t Aff1, Aff0;
cs->env_ptr = &cpu->env;
- cpu_exec_init(cs, &error_abort);
cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal,
g_free, g_free);
- /* This cpu-id-to-MPIDR affinity is used only for TCG; KVM will override it.
- * We don't support setting cluster ID ([16..23]) (known as Aff2
- * in later ARM ARM versions), or any of the higher affinity level fields,
- * so these bits always RAZ.
- */
- Aff1 = cs->cpu_index / ARM_CPUS_PER_CLUSTER;
- Aff0 = cs->cpu_index % ARM_CPUS_PER_CLUSTER;
- cpu->mp_affinity = (Aff1 << ARM_AFF1_SHIFT) | Aff0;
-
#ifndef CONFIG_USER_ONLY
/* Our inbound IRQ and FIQ lines */
if (kvm_enabled()) {
@@ -576,6 +563,13 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
ARMCPU *cpu = ARM_CPU(dev);
ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
CPUARMState *env = &cpu->env;
+ Error *local_err = NULL;
+
+ cpu_exec_realizefn(cs, &local_err);
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return;
+ }
/* Some features automatically imply others: */
if (arm_feature(env, ARM_FEATURE_V8)) {
@@ -631,6 +625,17 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
set_feature(env, ARM_FEATURE_THUMB_DSP);
}
+ /* This cpu-id-to-MPIDR affinity is used only for TCG; KVM will override it.
+ * We don't support setting cluster ID ([16..23]) (known as Aff2
+ * in later ARM ARM versions), or any of the higher affinity level fields,
+ * so these bits always RAZ.
+ */
+ if (cpu->mp_affinity == ARM64_AFFINITY_INVALID) {
+ uint32_t Aff1 = cs->cpu_index / ARM_DEFAULT_CPUS_PER_CLUSTER;
+ uint32_t Aff0 = cs->cpu_index % ARM_DEFAULT_CPUS_PER_CLUSTER;
+ cpu->mp_affinity = (Aff1 << ARM_AFF1_SHIFT) | Aff0;
+ }
+
if (cpu->reset_hivecs) {
cpu->reset_sctlr |= (1 << 13);
}
@@ -1461,7 +1466,8 @@ static Property arm_cpu_properties[] = {
DEFINE_PROP_BOOL("start-powered-off", ARMCPU, start_powered_off, false),
DEFINE_PROP_UINT32("psci-conduit", ARMCPU, psci_conduit, 0),
DEFINE_PROP_UINT32("midr", ARMCPU, midr, 0),
- DEFINE_PROP_UINT64("mp-affinity", ARMCPU, mp_affinity, 0),
+ DEFINE_PROP_UINT64("mp-affinity", ARMCPU,
+ mp_affinity, ARM64_AFFINITY_INVALID),
DEFINE_PROP_END_OF_LIST()
};
@@ -1533,17 +1539,6 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
cc->debug_check_watchpoint = arm_debug_check_watchpoint;
cc->disas_set_info = arm_disas_set_info;
-
- /*
- * Reason: arm_cpu_initfn() calls cpu_exec_init(), which saves
- * the object in cpus -> dangling pointer after final
- * object_unref().
- *
- * Once this is fixed, the devices that create ARM CPUs should be
- * updated not to set cannot_destroy_with_object_finalize_yet,
- * unless they still screw up something else.
- */
- dc->cannot_destroy_with_object_finalize_yet = true;
}
static void cpu_register(const ARMCPUInfo *info)