CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) { struct CpuDefinitionInfoListData list_data = { .list = NULL, }; list_data.model = get_max_cpu_model(errp); if (*errp) { error_free(*errp); *errp = NULL; } object_class_foreach(create_cpu_model_list, TYPE_S390_CPU, false, &list_data); return list_data.list; }
void s390_realize_cpu_model(CPUState *cs, Error **errp) { S390CPUClass *xcc = S390_CPU_GET_CLASS(cs); S390CPU *cpu = S390_CPU(cs); const S390CPUModel *max_model; if (xcc->kvm_required && !kvm_enabled()) { error_setg(errp, "CPU definition requires KVM"); return; } if (!cpu->model) { /* no host model support -> perform compatibility stuff */ apply_cpu_model(NULL, errp); return; } max_model = get_max_cpu_model(errp); if (*errp) { error_prepend(errp, "CPU models are not available: "); return; } /* copy over properties that can vary */ cpu->model->lowest_ibc = max_model->lowest_ibc; cpu->model->cpu_id = max_model->cpu_id; cpu->model->cpu_id_format = max_model->cpu_id_format; cpu->model->cpu_ver = max_model->cpu_ver; check_consistency(cpu->model); check_compatibility(max_model, cpu->model, errp); if (*errp) { return; } apply_cpu_model(cpu->model, errp); cpu->env.cpuid = s390_cpuid_from_cpu_model(cpu->model); if (tcg_enabled()) { /* basic mode, write the cpu address into the first 4 bit of the ID */ cpu->env.cpuid = deposit64(cpu->env.cpuid, 54, 4, cpu->env.cpu_num); } }
void s390_realize_cpu_model(CPUState *cs, Error **errp) { S390CPUClass *xcc = S390_CPU_GET_CLASS(cs); S390CPU *cpu = S390_CPU(cs); const S390CPUModel *max_model; if (xcc->kvm_required && !kvm_enabled()) { error_setg(errp, "CPU definition requires KVM"); return; } if (!cpu->model) { /* no host model support -> perform compatibility stuff */ apply_cpu_model(NULL, errp); return; } max_model = get_max_cpu_model(errp); if (*errp) { error_prepend(errp, "CPU models are not available: "); return; } /* copy over properties that can vary */ cpu->model->lowest_ibc = max_model->lowest_ibc; cpu->model->cpu_id = max_model->cpu_id; cpu->model->cpu_ver = max_model->cpu_ver; check_consistency(cpu->model); check_compatibility(max_model, cpu->model, errp); if (*errp) { return; } apply_cpu_model(cpu->model, errp); }