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[Qemu-devel] [PATCH v3 1/3] hw/core: introduced qemu machine as QOM obje


From: Marcel Apfelbaum
Subject: [Qemu-devel] [PATCH v3 1/3] hw/core: introduced qemu machine as QOM object
Date: Wed, 5 Mar 2014 19:30:45 +0200

The main functionality change is to convert QEMUMachine into MachineClass
and QEMUMachineInitArgs into MachineState, instance of MachineClass.

As a first step, in order to make possible an incremental development,
both QEMUMachine and QEMUMachineInitArgs are being embedded into the
new types.

Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
 hw/core/Makefile.objs |  2 +-
 hw/core/machine.c     | 28 +++++++++++++++++++++++++++
 include/hw/boards.h   | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 hw/core/machine.c

diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs
index 9e324be..981593c 100644
--- a/hw/core/Makefile.objs
+++ b/hw/core/Makefile.objs
@@ -8,7 +8,7 @@ common-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o
 common-obj-$(CONFIG_XILINX_AXI) += stream.o
 common-obj-$(CONFIG_PTIMER) += ptimer.o
 common-obj-$(CONFIG_SOFTMMU) += sysbus.o
+common-obj-$(CONFIG_SOFTMMU) += machine.o
 common-obj-$(CONFIG_SOFTMMU) += null-machine.o
 common-obj-$(CONFIG_SOFTMMU) += loader.o
 common-obj-$(CONFIG_SOFTMMU) += qdev-properties-system.o
-
diff --git a/hw/core/machine.c b/hw/core/machine.c
new file mode 100644
index 0000000..d3ffef7
--- /dev/null
+++ b/hw/core/machine.c
@@ -0,0 +1,28 @@
+/*
+ * QEMU Machine
+ *
+ * Copyright (C) 2014 Red Hat Inc
+ *
+ * Authors:
+ *   Marcel Apfelbaum <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "hw/boards.h"
+
+static const TypeInfo machine_info = {
+    .name = TYPE_MACHINE,
+    .parent = TYPE_OBJECT,
+    .abstract = true,
+    .class_size = sizeof(MachineClass),
+    .instance_size = sizeof(MachineState),
+};
+
+static void machine_register_types(void)
+{
+    type_register_static(&machine_info);
+}
+
+type_init(machine_register_types)
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 2151460..15df78e 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -5,6 +5,7 @@
 
 #include "sysemu/blockdev.h"
 #include "hw/qdev.h"
+#include "qom/object.h"
 
 typedef struct QEMUMachine QEMUMachine;
 
@@ -53,4 +54,56 @@ QEMUMachine *find_default_machine(void);
 
 extern QEMUMachine *current_machine;
 
+#define TYPE_MACHINE "machine"
+#define MACHINE(obj) \
+    OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
+#define MACHINE_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
+#define MACHINE_CLASS(klass) \
+    OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
+
+typedef struct MachineState MachineState;
+typedef struct MachineClass MachineClass;
+
+/**
+ * @MachineClass
+ *
+ * @parent_class: opaque parent class container
+ */
+struct MachineClass {
+    /*< private >*/
+    ObjectClass parent_class;
+    /*< public >*/
+
+    QEMUMachine *qemu_machine;
+};
+
+/**
+ * @MachineState
+ *
+ * @parent_obj: opaque parent object container
+ */
+struct MachineState {
+    /*< private >*/
+    Object parent_obj;
+    /*< public >*/
+
+    char *accel;
+    bool kernel_irqchip;
+    int kvm_shadow_mem;
+    char *kernel;
+    char *initrd;
+    char *append;
+    char *dtb;
+    char *dumpdtb;
+    int phandle_start;
+    char *dt_compatible;
+    bool dump_guest_core;
+    bool mem_merge;
+    bool usb;
+    char *firmware;
+
+    QEMUMachineInitArgs init_args;
+};
+
 #endif
-- 
1.8.3.1




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