cpus: Have cpu_class_init_props() per user / system emulation

Rather than maintaining a mix of system / user code for CPU
class properties, move system properties to cpu-system.c
and user ones to the new cpu-user.c unit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-18-philmd@linaro.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c
index 6e307c8959..1310b4203f 100644
--- a/hw/core/cpu-system.c
+++ b/hw/core/cpu-system.c
@@ -20,7 +20,10 @@
 
 #include "qemu/osdep.h"
 #include "qapi/error.h"
+#include "exec/memory.h"
 #include "exec/tswap.h"
+#include "hw/qdev-core.h"
+#include "hw/qdev-properties.h"
 #include "hw/core/sysemu-cpu-ops.h"
 
 bool cpu_paging_enabled(const CPUState *cpu)
@@ -147,3 +150,40 @@ GuestPanicInformation *cpu_get_crash_info(CPUState *cpu)
     }
     return res;
 }
+
+static const Property cpu_system_props[] = {
+    /*
+     * Create a memory property for system CPU object, so users can
+     * wire up its memory.  The default if no link is set up is to use
+     * the system address space.
+     */
+    DEFINE_PROP_LINK("memory", CPUState, memory, TYPE_MEMORY_REGION,
+                     MemoryRegion *),
+};
+
+static bool cpu_get_start_powered_off(Object *obj, Error **errp)
+{
+    CPUState *cpu = CPU(obj);
+    return cpu->start_powered_off;
+}
+
+static void cpu_set_start_powered_off(Object *obj, bool value, Error **errp)
+{
+    CPUState *cpu = CPU(obj);
+    cpu->start_powered_off = value;
+}
+
+void cpu_class_init_props(DeviceClass *dc)
+{
+    ObjectClass *oc = OBJECT_CLASS(dc);
+
+    /*
+     * We can't use DEFINE_PROP_BOOL in the Property array for this
+     * property, because we want this to be settable after realize.
+     */
+    object_class_property_add_bool(oc, "start-powered-off",
+                                   cpu_get_start_powered_off,
+                                   cpu_set_start_powered_off);
+
+    device_class_set_props(dc, cpu_system_props);
+}