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Diffstat (limited to 'hw/i386/x86.c')
-rw-r--r--hw/i386/x86.c51
1 files changed, 32 insertions, 19 deletions
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 08246523f2..87b73fe33c 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -57,6 +57,17 @@
/* Physical Address of PVH entry point read from kernel ELF NOTE */
static size_t pvh_start_addr;
+inline void init_topo_info(X86CPUTopoInfo *topo_info,
+ const X86MachineState *x86ms)
+{
+ MachineState *ms = MACHINE(x86ms);
+
+ topo_info->nodes_per_pkg = ms->numa_state->num_nodes / ms->smp.sockets;
+ topo_info->dies_per_pkg = x86ms->smp_dies;
+ topo_info->cores_per_die = ms->smp.cores;
+ topo_info->threads_per_core = ms->smp.threads;
+}
+
/*
* Calculates initial APIC ID for a specific CPU index
*
@@ -68,13 +79,14 @@ static size_t pvh_start_addr;
uint32_t x86_cpu_apic_id_from_index(X86MachineState *x86ms,
unsigned int cpu_index)
{
- MachineState *ms = MACHINE(x86ms);
X86MachineClass *x86mc = X86_MACHINE_GET_CLASS(x86ms);
+ X86CPUTopoInfo topo_info;
uint32_t correct_id;
static bool warned;
- correct_id = x86_apicid_from_cpu_idx(x86ms->smp_dies, ms->smp.cores,
- ms->smp.threads, cpu_index);
+ init_topo_info(&topo_info, x86ms);
+
+ correct_id = x86_apicid_from_cpu_idx(&topo_info, cpu_index);
if (x86mc->compat_apic_id_mode) {
if (cpu_index != correct_id && !warned && !qtest_enabled()) {
error_report("APIC IDs set in compatibility mode, "
@@ -92,13 +104,9 @@ void x86_cpu_new(X86MachineState *x86ms, int64_t apic_id, Error **errp)
{
Object *cpu = NULL;
Error *local_err = NULL;
- CPUX86State *env = NULL;
cpu = object_new(MACHINE(x86ms)->cpu_type);
- env = &X86_CPU(cpu)->env;
- env->nr_dies = x86ms->smp_dies;
-
object_property_set_uint(cpu, apic_id, "apic-id", &local_err);
object_property_set_bool(cpu, true, "realized", &local_err);
@@ -143,21 +151,24 @@ x86_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx)
{
- X86CPUTopoInfo topo;
+ X86CPUTopoIDs topo_ids;
X86MachineState *x86ms = X86_MACHINE(ms);
+ X86CPUTopoInfo topo_info;
+
+ init_topo_info(&topo_info, x86ms);
assert(idx < ms->possible_cpus->len);
x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
- x86ms->smp_dies, ms->smp.cores,
- ms->smp.threads, &topo);
- return topo.pkg_id % ms->numa_state->num_nodes;
+ &topo_info, &topo_ids);
+ return topo_ids.pkg_id % ms->numa_state->num_nodes;
}
const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
{
X86MachineState *x86ms = X86_MACHINE(ms);
- int i;
unsigned int max_cpus = ms->smp.max_cpus;
+ X86CPUTopoInfo topo_info;
+ int i;
if (ms->possible_cpus) {
/*
@@ -171,26 +182,28 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
sizeof(CPUArchId) * max_cpus);
ms->possible_cpus->len = max_cpus;
+
+ init_topo_info(&topo_info, x86ms);
+
for (i = 0; i < ms->possible_cpus->len; i++) {
- X86CPUTopoInfo topo;
+ X86CPUTopoIDs topo_ids;
ms->possible_cpus->cpus[i].type = ms->cpu_type;
ms->possible_cpus->cpus[i].vcpus_count = 1;
ms->possible_cpus->cpus[i].arch_id =
x86_cpu_apic_id_from_index(x86ms, i);
x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
- x86ms->smp_dies, ms->smp.cores,
- ms->smp.threads, &topo);
+ &topo_info, &topo_ids);
ms->possible_cpus->cpus[i].props.has_socket_id = true;
- ms->possible_cpus->cpus[i].props.socket_id = topo.pkg_id;
+ ms->possible_cpus->cpus[i].props.socket_id = topo_ids.pkg_id;
if (x86ms->smp_dies > 1) {
ms->possible_cpus->cpus[i].props.has_die_id = true;
- ms->possible_cpus->cpus[i].props.die_id = topo.die_id;
+ ms->possible_cpus->cpus[i].props.die_id = topo_ids.die_id;
}
ms->possible_cpus->cpus[i].props.has_core_id = true;
- ms->possible_cpus->cpus[i].props.core_id = topo.core_id;
+ ms->possible_cpus->cpus[i].props.core_id = topo_ids.core_id;
ms->possible_cpus->cpus[i].props.has_thread_id = true;
- ms->possible_cpus->cpus[i].props.thread_id = topo.smt_id;
+ ms->possible_cpus->cpus[i].props.thread_id = topo_ids.smt_id;
}
return ms->possible_cpus;
}