[RFC,v0,1/6] cpu: Abstract CPU core type

Commit Message

Bharata B Rao Feb. 25, 2016, 4:22 p.m. UTC

Add an abstract CPU core type that could be used by machines that want
to define and hotplug CPUs in core granularity.

Signed-off-by: Bharata B Rao <[e-mail]>
---
 hw/cpu/Makefile.objs  |  1 +
 hw/cpu/core.c         | 22 ++++++++++++++++++++++
 include/hw/cpu/core.h | 17 +++++++++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 hw/cpu/core.c
 create mode 100644 include/hw/cpu/core.h

Patch

diff --git a/hw/cpu/Makefile.objs b/hw/cpu/Makefile.objs
index 0954a18..942a4bb 100644
--- a/hw/cpu/Makefile.objs
+++ b/hw/cpu/Makefile.objs
@@ -2,4 +2,5 @@  obj-$(CONFIG_ARM11MPCORE) += arm11mpcore.o
 obj-$(CONFIG_REALVIEW) += realview_mpcore.o
 obj-$(CONFIG_A9MPCORE) += a9mpcore.o
 obj-$(CONFIG_A15MPCORE) += a15mpcore.o
+obj-y += core.o
 
diff --git a/hw/cpu/core.c b/hw/cpu/core.c
new file mode 100644
index 0000000..3c42236
--- /dev/null
+++ b/hw/cpu/core.c
@@ -0,0 +1,22 @@ 
+/*
+ * CPU core abstract device
+ *
+ * Copyright (C) 2016 Bharata B Rao <[e-mail]>
+ *
+ * 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/cpu/core.h"
+
+static const TypeInfo cpu_core_type_info = {
+    .name = TYPE_CPU_CORE,
+    .parent = TYPE_DEVICE,
+    .abstract = true,
+};
+
+static void cpu_core_register_types(void)
+{
+    type_register_static(&cpu_core_type_info);
+}
+
+type_init(cpu_core_register_types)
diff --git a/include/hw/cpu/core.h b/include/hw/cpu/core.h
new file mode 100644
index 0000000..71d4724
--- /dev/null
+++ b/include/hw/cpu/core.h
@@ -0,0 +1,17 @@ 
+/*
+ * CPU core abstract device
+ *
+ * Copyright (C) 2016 Bharata B Rao <[e-mail]>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef HW_CPU_CORE_H
+#define HW_CPU_CORE_H
+
+#include "qemu/osdep.h"
+#include "hw/qdev.h"
+
+#define TYPE_CPU_CORE "cpu-core"
+
+#endif