void s390_cpu_list(FILE *f, fprintf_function print) { struct S390PrintCpuListInfo info = { .f = f, .print = print, }; S390FeatGroup group; S390Feat feat; object_class_foreach(print_cpu_model_list, TYPE_S390_CPU, false, &info); (*print)(f, "\nRecognized feature flags:\n"); for (feat = 0; feat < S390_FEAT_MAX; feat++) { const S390FeatDef *def = s390_feat_def(feat); (*print)(f, "%-20s %-50s\n", def->name, def->desc); } (*print)(f, "\nRecognized feature groups:\n"); for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { const S390FeatGroupDef *def = s390_feat_group_def(group); (*print)(f, "%-20s %-50s\n", def->name, def->desc); } }
void s390_feat_bitmap_to_ascii(const S390FeatBitmap features, void *opaque, void (*fn)(const char *name, void *opaque)) { S390FeatBitmap bitmap, tmp; S390FeatGroup group; S390Feat feat; bitmap_copy(bitmap, features, S390_FEAT_MAX); /* process whole groups first */ for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { const S390FeatGroupDef *def = s390_feat_group_def(group); bitmap_and(tmp, bitmap, def->feat, S390_FEAT_MAX); if (bitmap_equal(tmp, def->feat, S390_FEAT_MAX)) { bitmap_andnot(bitmap, bitmap, def->feat, S390_FEAT_MAX); fn(def->name, opaque); } } /* report leftovers as separate features */ feat = find_first_bit(bitmap, S390_FEAT_MAX); while (feat < S390_FEAT_MAX) { fn(s390_feat_def(feat)->name, opaque); feat = find_next_bit(bitmap, S390_FEAT_MAX, feat + 1); }; }
void s390_cpu_model_register_props(Object *obj) { S390FeatGroup group; S390Feat feat; for (feat = 0; feat < S390_FEAT_MAX; feat++) { const S390FeatDef *def = s390_feat_def(feat); object_property_add(obj, def->name, "bool", get_feature, set_feature, NULL, (void *) feat, NULL); object_property_set_description(obj, def->name, def->desc , NULL); } for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { const S390FeatGroupDef *def = s390_feat_group_def(group); object_property_add(obj, def->name, "bool", get_feature_group, set_feature_group, NULL, (void *) group, NULL); object_property_set_description(obj, def->name, def->desc , NULL); } }
static void get_feature_group(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { S390FeatGroup group = (S390FeatGroup) opaque; const S390FeatGroupDef *def = s390_feat_group_def(group); S390CPU *cpu = S390_CPU(obj); S390FeatBitmap tmp; bool value; if (!cpu->model) { error_setg(errp, "Details about the host CPU model are not available, " "features cannot be queried."); return; } /* a group is enabled if all features are enabled */ bitmap_and(tmp, cpu->model->features, def->feat, S390_FEAT_MAX); value = bitmap_equal(tmp, def->feat, S390_FEAT_MAX); visit_type_bool(v, name, &value, errp); }
static void set_feature_group(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { S390FeatGroup group = (S390FeatGroup) opaque; const S390FeatGroupDef *def = s390_feat_group_def(group); DeviceState *dev = DEVICE(obj); S390CPU *cpu = S390_CPU(obj); bool value; if (dev->realized) { error_setg(errp, "Attempt to set property '%s' on '%s' after " "it was realized", name, object_get_typename(obj)); return; } else if (!cpu->model) { error_setg(errp, "Details about the host CPU model are not available, " "features cannot be changed."); return; } visit_type_bool(v, name, &value, errp); if (*errp) { return; } if (value) { /* groups are added in one shot, so an intersect is sufficient */ if (!bitmap_intersects(def->feat, cpu->model->def->full_feat, S390_FEAT_MAX)) { error_setg(errp, "Group '%s' is not available for CPU model '%s'," " it was introduced with later models.", name, cpu->model->def->name); return; } bitmap_or(cpu->model->features, cpu->model->features, def->feat, S390_FEAT_MAX); } else { bitmap_andnot(cpu->model->features, cpu->model->features, def->feat, S390_FEAT_MAX); } }