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Diffstat (limited to 'target/arm/cpu.c')
-rw-r--r--target/arm/cpu.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 99f0dbebb9..a941f6611b 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -31,7 +31,7 @@
 #endif
 #include "hw/arm/arm.h"
 #include "sysemu/sysemu.h"
-#include "sysemu/kvm.h"
+#include "sysemu/hw_accel.h"
 #include "kvm_arm.h"
 
 static void arm_cpu_set_pc(CPUState *cs, vaddr value)
@@ -122,7 +122,8 @@ static void arm_cpu_reset(CPUState *s)
 
     acc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUARMState, features));
+    memset(env, 0, offsetof(CPUARMState, end_reset_fields));
+
     g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu);
     g_hash_table_foreach(cpu->cp_regs, cp_reg_check_reset, cpu);
 
@@ -226,8 +227,6 @@ static void arm_cpu_reset(CPUState *s)
                               &env->vfp.fp_status);
     set_float_detect_tininess(float_tininess_before_rounding,
                               &env->vfp.standard_fp_status);
-    tlb_flush(s, 1);
-
 #ifndef CONFIG_USER_ONLY
     if (kvm_enabled()) {
         kvm_arm_reset_vcpu(cpu);
@@ -466,6 +465,9 @@ static void arm_cpu_initfn(Object *obj)
                                                 arm_gt_stimer_cb, cpu);
     qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs,
                        ARRAY_SIZE(cpu->gt_timer_outputs));
+
+    qdev_init_gpio_out_named(DEVICE(cpu), &cpu->gicv3_maintenance_interrupt,
+                             "gicv3-maintenance-interrupt", 1);
 #endif
 
     /* DTB consumers generally don't in fact care what the 'compatible'
@@ -494,6 +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);
 
@@ -544,6 +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);
@@ -597,6 +607,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         } else {
             set_feature(env, ARM_FEATURE_V6);
         }
+
+        /* Always define VBAR for V7 CPUs even if it doesn't exist in
+         * non-EL3 configs. This is needed by some legacy boards.
+         */
+        set_feature(env, ARM_FEATURE_VBAR);
     }
     if (arm_feature(env, ARM_FEATURE_V6K)) {
         set_feature(env, ARM_FEATURE_V6);
@@ -687,6 +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);
@@ -721,6 +740,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         }
     }
 
+    if (arm_feature(env, ARM_FEATURE_EL3)) {
+        set_feature(env, ARM_FEATURE_VBAR);
+    }
+
     register_cp_regs_for_features(cpu);
     arm_cpu_register_gdb_regs_for_features(cpu);
 
@@ -1055,7 +1078,7 @@ static void cortex_a8_initfn(Object *obj)
     cpu->midr = 0x410fc080;
     cpu->reset_fpsid = 0x410330c0;
     cpu->mvfr0 = 0x11110222;
-    cpu->mvfr1 = 0x00011100;
+    cpu->mvfr1 = 0x00011111;
     cpu->ctr = 0x82048004;
     cpu->reset_sctlr = 0x00c50078;
     cpu->id_pfr0 = 0x1031;