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Diffstat (limited to 'hw/i386/pc.c')
-rw-r--r--hw/i386/pc.c61
1 files changed, 16 insertions, 45 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index ef5f30e..05985d4 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1107,7 +1107,6 @@ static void pc_new_cpu(const char *typename, int64_t apic_id, Error **errp)
void pc_hot_add_cpu(const int64_t id, Error **errp)
{
- ObjectClass *oc;
MachineState *ms = MACHINE(qdev_get_machine());
int64_t apic_id = x86_cpu_apic_id_from_index(id);
Error *local_err = NULL;
@@ -1124,9 +1123,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp)
return;
}
- assert(ms->possible_cpus->cpus[0].cpu); /* BSP is always present */
- oc = OBJECT_CLASS(CPU_GET_CLASS(ms->possible_cpus->cpus[0].cpu));
- pc_new_cpu(object_class_get_name(oc), apic_id, &local_err);
+ pc_new_cpu(ms->cpu_type, apic_id, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
@@ -1136,39 +1133,10 @@ void pc_hot_add_cpu(const int64_t id, Error **errp)
void pc_cpus_init(PCMachineState *pcms)
{
int i;
- CPUClass *cc;
- ObjectClass *oc;
- const char *typename;
- gchar **model_pieces;
const CPUArchIdList *possible_cpus;
- MachineState *machine = MACHINE(pcms);
+ MachineState *ms = MACHINE(pcms);
MachineClass *mc = MACHINE_GET_CLASS(pcms);
- /* init CPUs */
- if (machine->cpu_model == NULL) {
-#ifdef TARGET_X86_64
- machine->cpu_model = "qemu64";
-#else
- machine->cpu_model = "qemu32";
-#endif
- }
-
- model_pieces = g_strsplit(machine->cpu_model, ",", 2);
- if (!model_pieces[0]) {
- error_report("Invalid/empty CPU model name");
- exit(1);
- }
-
- oc = cpu_class_by_name(TYPE_X86_CPU, model_pieces[0]);
- if (oc == NULL) {
- error_report("Unable to find CPU definition: %s", model_pieces[0]);
- exit(1);
- }
- typename = object_class_get_name(oc);
- cc = CPU_CLASS(oc);
- cc->parse_features(typename, model_pieces[1], &error_fatal);
- g_strfreev(model_pieces);
-
/* Calculates the limit to CPU APIC ID values
*
* Limit for the APIC ID value, so that all
@@ -1177,9 +1145,9 @@ void pc_cpus_init(PCMachineState *pcms)
* This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init().
*/
pcms->apic_id_limit = x86_cpu_apic_id_from_index(max_cpus - 1) + 1;
- possible_cpus = mc->possible_cpu_arch_ids(machine);
+ possible_cpus = mc->possible_cpu_arch_ids(ms);
for (i = 0; i < smp_cpus; i++) {
- pc_new_cpu(typename, possible_cpus->cpus[i].arch_id, &error_fatal);
+ pc_new_cpu(ms->cpu_type, possible_cpus->cpus[i].arch_id, &error_fatal);
}
}
@@ -2265,6 +2233,16 @@ pc_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
return possible_cpus->cpus[cpu_index].props;
}
+static int64_t pc_get_default_cpu_node_id(const MachineState *ms, int idx)
+{
+ X86CPUTopoInfo topo;
+
+ assert(idx < ms->possible_cpus->len);
+ x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
+ smp_cores, smp_threads, &topo);
+ return topo.pkg_id % nb_numa_nodes;
+}
+
static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
{
int i;
@@ -2294,15 +2272,6 @@ static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
ms->possible_cpus->cpus[i].props.core_id = topo.core_id;
ms->possible_cpus->cpus[i].props.has_thread_id = true;
ms->possible_cpus->cpus[i].props.thread_id = topo.smt_id;
-
- /* default distribution of CPUs over NUMA nodes */
- if (nb_numa_nodes) {
- /* preset values but do not enable them i.e. 'has_node_id = false',
- * numa init code will enable them later if manual mapping wasn't
- * present on CLI */
- ms->possible_cpus->cpus[i].props.node_id =
- topo.pkg_id % nb_numa_nodes;
- }
}
return ms->possible_cpus;
}
@@ -2347,6 +2316,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
pcmc->linuxboot_dma_enabled = true;
mc->get_hotplug_handler = pc_get_hotpug_handler;
mc->cpu_index_to_instance_props = pc_cpu_index_to_props;
+ mc->get_default_cpu_node_id = pc_get_default_cpu_node_id;
mc->possible_cpu_arch_ids = pc_possible_cpu_arch_ids;
mc->has_hotpluggable_cpus = true;
mc->default_boot_order = "cad";
@@ -2359,6 +2329,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
hc->unplug_request = pc_machine_device_unplug_request_cb;
hc->unplug = pc_machine_device_unplug_cb;
nc->nmi_monitor_handler = x86_nmi;
+ mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
object_class_property_add(oc, PC_MACHINE_MEMHP_REGION_SIZE, "int",
pc_machine_get_hotplug_memory_region_size, NULL,