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 <bhar...@linux.vnet.ibm.com> --- hw/cpu/Makefile.objs | 1 + hw/cpu/core.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ include/hw/cpu/core.h | 30 ++++++++++++++++++++++++++++++ 3 files changed, 75 insertions(+) create mode 100644 hw/cpu/core.c create mode 100644 include/hw/cpu/core.h 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..d8caf37 --- /dev/null +++ b/hw/cpu/core.c @@ -0,0 +1,44 @@ +/* + * CPU core abstract device + * + * Copyright (C) 2016 Bharata B Rao <bhar...@linux.vnet.ibm.com> + * + * 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 char *core_prop_get_slot(Object *obj, Error **errp) +{ + CPUCore *core = CPU_CORE(obj); + + return g_strdup(core->slot); +} + +static void core_prop_set_slot(Object *obj, const char *val, Error **errp) +{ + CPUCore *core = CPU_CORE(obj); + + core->slot = g_strdup(val); +} + +static void cpu_core_instance_init(Object *obj) +{ + object_property_add_str(obj, "slot", core_prop_get_slot, core_prop_set_slot, + NULL); +} + +static const TypeInfo cpu_core_type_info = { + .name = TYPE_CPU_CORE, + .parent = TYPE_DEVICE, + .abstract = true, + .instance_size = sizeof(CPUCore), + .instance_init = cpu_core_instance_init, +}; + +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..2daa724 --- /dev/null +++ b/include/hw/cpu/core.h @@ -0,0 +1,30 @@ +/* + * CPU core abstract device + * + * Copyright (C) 2016 Bharata B Rao <bhar...@linux.vnet.ibm.com> + * + * 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" + +#define CPU_CORE(obj) \ + OBJECT_CHECK(CPUCore, (obj), TYPE_CPU_CORE) + +typedef struct CPUCore { + /*< private >*/ + DeviceState parent_obj; + + /*< public >*/ + char *slot; +} CPUCore; + +#define CPU_CORE_SLOT_PROP "slot" + +#endif -- 2.1.0