LXR qemu/hw/cpu/core.c

   1/*
   2 * CPU core abstract device
   3 *
   4 * Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7 * See the COPYING file in the top-level directory.
   8 */
   9#include "hw/cpu/core.h"
  10#include "qapi/visitor.h"
  11#include "qapi/error.h"
  12#include "sysemu/cpus.h"
  13
  14static void core_prop_get_core_id(Object *obj, Visitor *v, const char *name,
  15                                  void *opaque, Error **errp)
  16{
  17    CPUCore *core = CPU_CORE(obj);
  18    int64_t value = core->core_id;
  19
  20    visit_type_int(v, name, &value, errp);
  21}
  22
  23static void core_prop_set_core_id(Object *obj, Visitor *v, const char *name,
  24                                  void *opaque, Error **errp)
  25{
  26    CPUCore *core = CPU_CORE(obj);
  27    Error *local_err = NULL;
  28    int64_t value;
  29
  30    visit_type_int(v, name, &value, &local_err);
  31    if (local_err) {
  32        error_propagate(errp, local_err);
  33        return;
  34    }
  35
  36    core->core_id = value;
  37}
  38
  39static void core_prop_get_nr_threads(Object *obj, Visitor *v, const char *name,
  40                                     void *opaque, Error **errp)
  41{
  42    CPUCore *core = CPU_CORE(obj);
  43    int64_t value = core->nr_threads;
  44
  45    visit_type_int(v, name, &value, errp);
  46}
  47
  48static void core_prop_set_nr_threads(Object *obj, Visitor *v, const char *name,
  49                                     void *opaque, Error **errp)
  50{
  51    CPUCore *core = CPU_CORE(obj);
  52    Error *local_err = NULL;
  53    int64_t value;
  54
  55    visit_type_int(v, name, &value, &local_err);
  56    if (local_err) {
  57        error_propagate(errp, local_err);
  58        return;
  59    }
  60
  61    core->nr_threads = value;
  62}
  63
  64static void cpu_core_instance_init(Object *obj)
  65{
  66    CPUCore *core = CPU_CORE(obj);
  67
  68    object_property_add(obj, "core-id", "int", core_prop_get_core_id,
  69                        core_prop_set_core_id, NULL, NULL, NULL);
  70    object_property_add(obj, "nr-threads", "int", core_prop_get_nr_threads,
  71                        core_prop_set_nr_threads, NULL, NULL, NULL);
  72    core->nr_threads = smp_threads;
  73}
  74
  75static const TypeInfo cpu_core_type_info = {
  76    .name = TYPE_CPU_CORE,
  77    .parent = TYPE_DEVICE,
  78    .abstract = true,
  79    .instance_size = sizeof(CPUCore),
  80    .instance_init = cpu_core_instance_init,
  81};
  82
  83static void cpu_core_register_types(void)
  84{
  85    type_register_static(&cpu_core_type_info);
  86}
  87
  88type_init(cpu_core_register_types)
  89