Current cpu_exec_realize() body only contains system-mode
related code. Move that method out of cpu-common.c to
cpu-system.c, removing the system / machine mentions in
this common file. Add an empty stub for user-mode.

Signed-off-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
---
 hw/core/cpu-internal.h |  1 +
 hw/core/cpu-common.c   | 24 ------------------------
 hw/core/cpu-system.c   | 26 ++++++++++++++++++++++++++
 hw/core/cpu-user.c     |  5 +++++
 4 files changed, 32 insertions(+), 24 deletions(-)

diff --git a/hw/core/cpu-internal.h b/hw/core/cpu-internal.h
index ae6a31bca2d..44715b44329 100644
--- a/hw/core/cpu-internal.h
+++ b/hw/core/cpu-internal.h
@@ -15,6 +15,7 @@ void cpu_class_init_props(DeviceClass *dc);
 void cpu_exec_class_post_init(CPUClass *cc);
 
 void cpu_exec_init(CPUState *cpu);
+void cpu_exec_realize(CPUState *cpu, Error **errp);
 
 void cpu_vmstate_register(CPUState *cpu);
 void cpu_vmstate_unregister(CPUState *cpu);
diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c
index cd7c8763cf5..4f4c87f33a0 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -33,7 +33,6 @@
 #include "exec/log.h"
 #include "exec/gdbstub.h"
 #include "system/tcg.h"
-#include "hw/core/boards.h"
 #include "hw/core/qdev-properties.h"
 #include "trace.h"
 #ifdef CONFIG_PLUGIN
@@ -246,29 +245,6 @@ bool cpu_common_realize(CPUState *cpu, Error **errp)
     return true;
 }
 
-static void cpu_exec_realize(CPUState *cpu, Error **errp)
-{
-    Object *machine = qdev_get_machine();
-
-    /* qdev_get_machine() can return something that's not TYPE_MACHINE
-     * if this is one of the user-only emulators; in that case there's
-     * no need to check the ignore_memory_transaction_failures board flag.
-     */
-    if (object_dynamic_cast(machine, TYPE_MACHINE)) {
-        MachineClass *mc = MACHINE_GET_CLASS(machine);
-
-        if (mc) {
-            cpu->ignore_memory_transaction_failures =
-                mc->ignore_memory_transaction_failures;
-        }
-    }
-
-    if (DEVICE(cpu)->hotplugged) {
-        cpu_synchronize_post_init(cpu);
-        cpu_resume(cpu);
-    }
-}
-
 static void cpu_common_realizefn(DeviceState *dev, Error **errp)
 {
     cpu_exec_realize(CPU(dev), errp);
diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c
index 8a9f2fcea84..feadfb5af00 100644
--- a/hw/core/cpu-system.c
+++ b/hw/core/cpu-system.c
@@ -25,10 +25,12 @@
 #include "exec/target_page.h"
 #include "system/memory.h"
 #include "qemu/target-info.h"
+#include "hw/core/boards.h"
 #include "hw/core/qdev.h"
 #include "hw/core/qdev-properties.h"
 #include "hw/core/sysemu-cpu-ops.h"
 #include "migration/vmstate.h"
+#include "system/hw_accel.h"
 #include "system/tcg.h"
 #include "cpu-internal.h"
 
@@ -221,6 +223,30 @@ static int cpu_common_pre_load(void *opaque)
     return 0;
 }
 
+void cpu_exec_realize(CPUState *cpu, Error **errp)
+{
+    Object *machine = qdev_get_machine();
+
+    /* qdev_get_machine() can return something that's not TYPE_MACHINE
+     * if this is one of the user-only emulators; in that case there's
+     * no need to check the ignore_memory_transaction_failures board flag.
+     */
+    if (object_dynamic_cast(machine, TYPE_MACHINE)) {
+        MachineClass *mc = MACHINE_GET_CLASS(machine);
+
+        if (mc) {
+            cpu->ignore_memory_transaction_failures =
+                mc->ignore_memory_transaction_failures;
+        }
+    }
+
+    if (DEVICE(cpu)->hotplugged) {
+        cpu_synchronize_post_init(cpu);
+        cpu_resume(cpu);
+    }
+
+}
+
 static bool cpu_common_exception_index_needed(void *opaque)
 {
     CPUState *cpu = opaque;
diff --git a/hw/core/cpu-user.c b/hw/core/cpu-user.c
index c2cb00a85d3..1e38c88f9bd 100644
--- a/hw/core/cpu-user.c
+++ b/hw/core/cpu-user.c
@@ -38,6 +38,11 @@ void cpu_exec_init(CPUState *cpu)
     /* nothing to do */
 }
 
+void cpu_exec_realize(CPUState *cpu, Error **errp)
+{
+    /* nothing to do */
+}
+
 void cpu_vmstate_register(CPUState *cpu)
 {
     assert(qdev_get_vmsd(DEVICE(cpu)) == NULL ||
-- 
2.53.0