diff options
Diffstat (limited to 'target/s390x/cpu_models.c')
| -rw-r--r-- | target/s390x/cpu_models.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index 6d71428056..1a562d2801 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -89,7 +89,6 @@ static S390CPUDef s390_cpu_defs[] = { #define QEMU_MAX_CPU_TYPE 0x8561 #define QEMU_MAX_CPU_GEN 15 #define QEMU_MAX_CPU_EC_GA 1 -static const S390FeatInit qemu_max_cpu_feat_init = { S390_FEAT_LIST_QEMU_MAX }; static S390FeatBitmap qemu_max_cpu_feat; /* features part of a base model but not relevant for finding a base model */ @@ -728,7 +727,6 @@ static void s390_cpu_model_initfn(Object *obj) } } -static S390CPUDef s390_qemu_cpu_def; static S390CPUModel s390_qemu_cpu_model; /* Set the qemu CPU model (on machine initialization). Must not be called @@ -742,17 +740,8 @@ void s390_set_qemu_cpu_model(uint16_t type, uint8_t gen, uint8_t ec_ga, g_assert(def); g_assert(QTAILQ_EMPTY_RCU(&cpus)); - /* TCG emulates some features that can usually not be enabled with - * the emulated machine generation. Make sure they can be enabled - * when using the QEMU model by adding them to full_feat. We have - * to copy the definition to do that. - */ - memcpy(&s390_qemu_cpu_def, def, sizeof(s390_qemu_cpu_def)); - bitmap_or(s390_qemu_cpu_def.full_feat, s390_qemu_cpu_def.full_feat, - qemu_max_cpu_feat, S390_FEAT_MAX); - /* build the CPU model */ - s390_qemu_cpu_model.def = &s390_qemu_cpu_def; + s390_qemu_cpu_model.def = def; bitmap_zero(s390_qemu_cpu_model.features, S390_FEAT_MAX); s390_init_feat_bitmap(feat_init, s390_qemu_cpu_model.features); } @@ -885,9 +874,8 @@ static void s390_max_cpu_model_class_init(ObjectClass *oc, void *data) /* * The "max" model is neither static nor migration safe. Under KVM - * it represents the "host" model. Under TCG it represents some kind of - * "qemu" CPU model without compat handling and maybe with some additional - * CPU features that are not yet unlocked in the "qemu" model. + * it represents the "host" model. Under TCG it represents the "qemu" CPU + * model of the latest QEMU machine. */ xcc->desc = "Enables all features supported by the accelerator in the current host"; @@ -966,13 +954,13 @@ static void init_ignored_base_feat(void) static void register_types(void) { - static const S390FeatInit qemu_latest_init = { S390_FEAT_LIST_QEMU_LATEST }; + static const S390FeatInit qemu_max_init = { S390_FEAT_LIST_QEMU_MAX }; int i; init_ignored_base_feat(); /* init all bitmaps from gnerated data initially */ - s390_init_feat_bitmap(qemu_max_cpu_feat_init, qemu_max_cpu_feat); + s390_init_feat_bitmap(qemu_max_init, qemu_max_cpu_feat); for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { s390_init_feat_bitmap(s390_cpu_defs[i].base_init, s390_cpu_defs[i].base_feat); @@ -982,9 +970,9 @@ static void register_types(void) s390_cpu_defs[i].full_feat); } - /* initialize the qemu model with latest definition */ + /* initialize the qemu model with the maximum definition ("max" model) */ s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN, - QEMU_MAX_CPU_EC_GA, qemu_latest_init); + QEMU_MAX_CPU_EC_GA, qemu_max_init); for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { char *base_name = s390_base_cpu_type_name(s390_cpu_defs[i].name); |