4 files changed, 25 insertions, 30 deletions
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 566a5cad13..3e9a92c055 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -9,37 +9,17 @@
 #include "hw/qdev.h"
 #include "qom/object.h"
 
-
-typedef void QEMUMachineInitFunc(MachineState *ms);
-
-typedef void QEMUMachineResetFunc(void);
-
-typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp);
-
-typedef int QEMUMachineGetKvmtypeFunc(const char *arg);
-
-struct QEMUMachine {
-    const char *name;
-    const char *desc;
-    QEMUMachineInitFunc *init;
-    QEMUMachineGetKvmtypeFunc *kvm_type;
-    BlockInterfaceType block_default_type;
-    int max_cpus;
-    unsigned int
-        no_sdcard:1,
-        has_dynamic_sysbus:1;
-    int is_default;
-    const char *default_machine_opts;
-    const char *default_boot_order;
-};
-
 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
                                           const char *name,
                                           uint64_t ram_size);
 
-int qemu_register_machine(QEMUMachine *m);
-
 #define TYPE_MACHINE_SUFFIX "-machine"
+
+/* Machine class name that needs to be used for class-name-based machine
+ * type lookup to work.
+ */
+#define MACHINE_TYPE_NAME(machinename) (machinename TYPE_MACHINE_SUFFIX)
+
 #define TYPE_MACHINE "machine"
 #undef MACHINE  /* BSD defines it and QEMU does not use it */
 #define MACHINE(obj) \
@@ -63,7 +43,6 @@ bool machine_mem_merge(MachineState *machine);
 
 /**
  * MachineClass:
- * @qemu_machine: #QEMUMachine
  * @get_hotplug_handler: this function is called during bus-less
  *    device hotplug. If defined it returns pointer to an instance
  *    of HotplugHandler object, which handles hotplug operation
@@ -153,4 +132,21 @@ struct MachineState {
     AccelState *accelerator;
 };
 
+#define DEFINE_MACHINE(namestr, machine_initfn) \
+    static void machine_initfn##_class_init(ObjectClass *oc, void *data) \
+    { \
+        MachineClass *mc = MACHINE_CLASS(oc); \
+        machine_initfn(mc); \
+    } \
+    static const TypeInfo machine_initfn##_typeinfo = { \
+        .name       = MACHINE_TYPE_NAME(namestr), \
+        .parent     = TYPE_MACHINE, \
+        .class_init = machine_initfn##_class_init, \
+    }; \
+    static void machine_initfn##_register_types(void) \
+    { \
+        type_register_static(&machine_initfn##_typeinfo); \
+    } \
+    machine_init(machine_initfn##_register_types)
+
 #endif
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index 97ac727476..ce82c642b5 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -67,7 +67,6 @@ typedef struct Property Property;
 typedef struct QEMUBH QEMUBH;
 typedef struct QemuConsole QemuConsole;
 typedef struct QEMUFile QEMUFile;
-typedef struct QEMUMachine QEMUMachine;
 typedef struct QEMUSGList QEMUSGList;
 typedef struct QEMUSizedBuffer QEMUSizedBuffer;
 typedef struct QEMUTimerListGroup QEMUTimerListGroup;
diff --git a/include/sysemu/blockdev.h b/include/sysemu/blockdev.h
index 310415025c..a00be94895 100644
--- a/include/sysemu/blockdev.h
+++ b/include/sysemu/blockdev.h
@@ -20,7 +20,7 @@ void blockdev_auto_del(BlockBackend *blk);
 typedef enum {
     IF_DEFAULT = -1,            /* for use with drive_add() only */
     /*
-     * IF_IDE must be zero, because we want QEMUMachine member
+     * IF_IDE must be zero, because we want MachineClass member
      * block_default_type to default-initialize to IF_IDE
      */
     IF_IDE = 0,
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 1f6ff8f948..c439975139 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -195,7 +195,7 @@ void device_add_bootindex_property(Object *obj, int32_t *bootindex,
 void restore_boot_order(void *opaque);
 void validate_bootdevices(const char *devices, Error **errp);
 
-/* handler to set the boot_device order for a specific type of QEMUMachine */
+/* handler to set the boot_device order for a specific type of MachineClass */
 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
                                 Error **errp);
 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);