#include "qemu/osdep.h"
#include "cpu.h"
-#include "gen-features.h"
+#include "internal.h"
+#include "kvm_s390x.h"
+#include "sysemu/kvm.h"
#include "qapi/error.h"
#include "qapi/visitor.h"
#include "qemu/error-report.h"
#include "qapi/qmp/qerror.h"
#include "qapi/qobject-input-visitor.h"
-#include "qapi/qmp/qbool.h"
+#include "qapi/qmp/qdict.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu/arch_init.h"
+#include "hw/pci/pci.h"
#endif
#define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U, "z13", "IBM z13 GA1"),
CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U, "z13.2", "IBM z13 GA2"),
CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"),
+ CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U, "z14", "IBM z14 GA1"),
};
+#define QEMU_MAX_CPU_TYPE 0x2827
+#define QEMU_MAX_CPU_GEN 12
+#define QEMU_MAX_CPU_EC_GA 2
+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 */
+S390FeatBitmap ignored_base_feat;
+
void s390_cpudef_featoff(uint8_t gen, uint8_t ec_ga, S390Feat feat)
{
const S390CPUDef *def;
}
}
#endif
+ if (feat == S390_FEAT_ZPCI) {
+ return true;
+ }
return 0;
}
return test_bit(feat, cpu->model->features);
if (features) {
/* see if the model satisfies the minimum features */
bitmap_andnot(missing, def->base_feat, features, S390_FEAT_MAX);
+ /*
+ * Ignore certain features that are in the base model, but not
+ * relevant for the search (esp. MSA subfunctions).
+ */
+ bitmap_andnot(missing, missing, ignored_base_feat, S390_FEAT_MAX);
if (!bitmap_empty(missing, S390_FEAT_MAX)) {
break;
}
return last_compatible;
}
-struct S390PrintCpuListInfo {
- FILE *f;
- fprintf_function print;
-};
-
-static void print_cpu_model_list(ObjectClass *klass, void *opaque)
+static void s390_print_cpu_model_list_entry(gpointer data, gpointer user_data)
{
- struct S390PrintCpuListInfo *info = opaque;
- S390CPUClass *scc = S390_CPU_CLASS(klass);
- char *name = g_strdup(object_class_get_name(klass));
+ CPUListState *s = user_data;
+ const S390CPUClass *scc = S390_CPU_CLASS((ObjectClass *)data);
+ char *name = g_strdup(object_class_get_name((ObjectClass *)data));
const char *details = "";
if (scc->is_static) {
details = "(migration-safe)";
}
- /* strip off the -s390-cpu */
+ /* strip off the -s390x-cpu */
g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0;
- (*info->print)(info->f, "s390 %-15s %-35s %s\n", name, scc->desc,
- details);
+ (*s->cpu_fprintf)(s->file, "s390 %-15s %-35s %s\n", name, scc->desc,
+ details);
g_free(name);
}
+static gint s390_cpu_list_compare(gconstpointer a, gconstpointer b)
+{
+ const S390CPUClass *cc_a = S390_CPU_CLASS((ObjectClass *)a);
+ const S390CPUClass *cc_b = S390_CPU_CLASS((ObjectClass *)b);
+ const char *name_a = object_class_get_name((ObjectClass *)a);
+ const char *name_b = object_class_get_name((ObjectClass *)b);
+
+ /* move qemu and host to the top of the list, qemu first, host second */
+ if (name_a[0] == 'q') {
+ return -1;
+ } else if (name_b[0] == 'q') {
+ return 1;
+ } else if (name_a[0] == 'h') {
+ return -1;
+ } else if (name_b[0] == 'h') {
+ return 1;
+ }
+
+ /* keep the same order we have in our table (sorted by release date) */
+ if (cc_a->cpu_def != cc_b->cpu_def) {
+ return cc_a->cpu_def - cc_b->cpu_def;
+ }
+
+ /* exact same definition - list base model first */
+ return cc_a->is_static ? -1 : 1;
+}
+
void s390_cpu_list(FILE *f, fprintf_function print)
{
- struct S390PrintCpuListInfo info = {
- .f = f,
- .print = print,
+ CPUListState s = {
+ .file = f,
+ .cpu_fprintf = print,
};
S390FeatGroup group;
S390Feat feat;
+ GSList *list;
- object_class_foreach(print_cpu_model_list, TYPE_S390_CPU, false, &info);
+ list = object_class_get_list(TYPE_S390_CPU, false);
+ list = g_slist_sort(list, s390_cpu_list_compare);
+ g_slist_foreach(list, s390_print_cpu_model_list_entry, &s);
+ g_slist_free(list);
(*print)(f, "\nRecognized feature flags:\n");
for (feat = 0; feat < S390_FEAT_MAX; feat++) {
char *name = g_strdup(object_class_get_name(klass));
S390CPUClass *scc = S390_CPU_CLASS(klass);
- /* strip off the -s390-cpu */
+ /* strip off the -s390x-cpu */
g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0;
- info = g_malloc0(sizeof(*info));
+ info = g_new0(CpuDefinitionInfo, 1);
info->name = name;
info->has_migration_safe = true;
info->migration_safe = scc->is_migration_safe;
object_unref(obj);
}
- entry = g_malloc0(sizeof(*entry));
+ entry = g_new0(CpuDefinitionInfoList, 1);
entry->value = info;
entry->next = *cpu_list;
*cpu_list = entry;
Object *obj;
if (info->props) {
- qdict = qobject_to_qdict(info->props);
+ qdict = qobject_to(QDict, info->props);
if (!qdict) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
return;
}
if (!qdict_size(qdict)) {
- QDECREF(qdict);
+ qobject_unref(qdict);
} else {
info->props = QOBJECT(qdict);
info->has_props = true;
}
/* convert it back to a static representation */
- expansion_info = g_malloc0(sizeof(*expansion_info));
+ expansion_info = g_new0(CpuModelExpansionInfo, 1);
expansion_info->model = g_malloc0(sizeof(*expansion_info->model));
cpu_info_from_model(expansion_info->model, &s390_model, delta_changes);
return expansion_info;
strList **last = (strList **) opaque;
strList *entry;
- entry = g_malloc0(sizeof(*entry));
+ entry = g_new0(strList, 1);
entry->value = g_strdup(name);
entry->next = *last;
*last = entry;
if (*errp) {
return NULL;
}
- compare_info = g_malloc0(sizeof(*compare_info));
+ compare_info = g_new0(CpuModelCompareInfo, 1);
/* check the cpu generation and ga level */
if (modela.def->gen == modelb.def->gen) {
bitmap_and(model.features, model.features, model.def->full_feat,
S390_FEAT_MAX);
- baseline_info = g_malloc0(sizeof(*baseline_info));
+ baseline_info = g_new0(CpuModelBaselineInfo, 1);
baseline_info->model = g_malloc0(sizeof(*baseline_info->model));
cpu_info_from_model(baseline_info->model, &model, true);
return baseline_info;
{ S390_FEAT_SIE_CMMA, S390_FEAT_CMM },
{ S390_FEAT_SIE_CMMA, S390_FEAT_SIE_GSLS },
{ S390_FEAT_SIE_PFMFI, S390_FEAT_EDAT },
+ { S390_FEAT_MSA_EXT_8, S390_FEAT_MSA_EXT_3 },
+ { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
+ { S390_FEAT_VECTOR_PACKED_DECIMAL, S390_FEAT_VECTOR },
+ { S390_FEAT_VECTOR_ENH, S390_FEAT_VECTOR },
+ { S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
+ { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_ESOP },
+ { S390_FEAT_CMM_NT, S390_FEAT_CMM },
+ { S390_FEAT_GUARDED_STORAGE, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
+ { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_STORE_CLOCK_FAST },
+ { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
+ { S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_STFLE_49 },
+ { S390_FEAT_KIMD_SHA3_224, S390_FEAT_MSA },
+ { S390_FEAT_KIMD_SHA3_256, S390_FEAT_MSA },
+ { S390_FEAT_KIMD_SHA3_384, S390_FEAT_MSA },
+ { S390_FEAT_KIMD_SHA3_512, S390_FEAT_MSA },
+ { S390_FEAT_KIMD_SHAKE_128, S390_FEAT_MSA },
+ { S390_FEAT_KIMD_SHAKE_256, S390_FEAT_MSA },
+ { S390_FEAT_KLMD_SHA3_224, S390_FEAT_MSA },
+ { S390_FEAT_KLMD_SHA3_256, S390_FEAT_MSA },
+ { S390_FEAT_KLMD_SHA3_384, S390_FEAT_MSA },
+ { S390_FEAT_KLMD_SHA3_512, S390_FEAT_MSA },
+ { S390_FEAT_KLMD_SHAKE_128, S390_FEAT_MSA },
+ { S390_FEAT_KLMD_SHAKE_256, S390_FEAT_MSA },
+ { S390_FEAT_PRNO_TRNG_QRTCR, S390_FEAT_MSA_EXT_5 },
+ { S390_FEAT_PRNO_TRNG, S390_FEAT_MSA_EXT_5 },
+ { S390_FEAT_SIE_KSS, S390_FEAT_SIE_F2 },
};
int i;
for (i = 0; i < ARRAY_SIZE(dep); i++) {
if (test_bit(dep[i][0], model->features) &&
!test_bit(dep[i][1], model->features)) {
- error_report("Warning: \'%s\' requires \'%s\'.",
- s390_feat_def(dep[i][0])->name,
- s390_feat_def(dep[i][1])->name);
+ warn_report("\'%s\' requires \'%s\'.",
+ s390_feat_def(dep[i][0])->name,
+ s390_feat_def(dep[i][1])->name);
}
}
}
"available in the configuration: ");
}
-/**
- * The base TCG CPU model "qemu" is based on the z900. However, we already
- * can also emulate some additional features of later CPU generations, so
- * we add these additional feature bits here.
- */
-static void add_qemu_cpu_model_features(S390FeatBitmap fbm)
-{
- static const int feats[] = {
- S390_FEAT_DAT_ENH,
- S390_FEAT_STFLE,
- S390_FEAT_EXTENDED_IMMEDIATE,
- S390_FEAT_EXTENDED_TRANSLATION_2,
- S390_FEAT_LONG_DISPLACEMENT,
- S390_FEAT_LONG_DISPLACEMENT_FAST,
- S390_FEAT_ETF2_ENH,
- S390_FEAT_STORE_CLOCK_FAST,
- S390_FEAT_MOVE_WITH_OPTIONAL_SPEC,
- S390_FEAT_GENERAL_INSTRUCTIONS_EXT,
- S390_FEAT_EXECUTE_EXT,
- S390_FEAT_FLOATING_POINT_SUPPPORT_ENH,
- S390_FEAT_STFLE_45,
- S390_FEAT_STFLE_49,
- S390_FEAT_LOCAL_TLB_CLEARING,
- S390_FEAT_STFLE_53,
- };
- int i;
-
- for (i = 0; i < ARRAY_SIZE(feats); i++) {
- set_bit(feats[i], fbm);
- }
-}
-
static S390CPUModel *get_max_cpu_model(Error **errp)
{
static S390CPUModel max_model;
if (kvm_enabled()) {
kvm_s390_get_host_cpu_model(&max_model, errp);
} else {
- /* TCG emulates a z900 (with some optional additional features) */
- max_model.def = &s390_cpu_defs[0];
- bitmap_copy(max_model.features, max_model.def->default_feat,
- S390_FEAT_MAX);
- add_qemu_cpu_model_features(max_model.features);
- }
+ max_model.def = s390_find_cpu_def(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN,
+ QEMU_MAX_CPU_EC_GA, NULL);
+ bitmap_copy(max_model.features, qemu_max_cpu_feat, S390_FEAT_MAX);
+ }
if (!*errp) {
cached = true;
return &max_model;
apply_cpu_model(cpu->model, errp);
+#if !defined(CONFIG_USER_ONLY)
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);
+ cpu->env.cpuid = deposit64(cpu->env.cpuid, 54, 4, cpu->env.core_id);
}
+#endif
}
static void get_feature(Object *obj, Visitor *v, const char *name,
}
#endif
+static S390CPUDef s390_qemu_cpu_def;
+static S390CPUModel s390_qemu_cpu_model;
+
+/* Set the qemu CPU model (on machine initialization). Must not be called
+ * once CPUs have been created.
+ */
+void s390_set_qemu_cpu_model(uint16_t type, uint8_t gen, uint8_t ec_ga,
+ const S390FeatInit feat_init)
+{
+ const S390CPUDef *def = s390_find_cpu_def(type, gen, ec_ga, NULL);
+
+ g_assert(def);
+ g_assert(QTAILQ_EMPTY(&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;
+ bitmap_zero(s390_qemu_cpu_model.features, S390_FEAT_MAX);
+ s390_init_feat_bitmap(feat_init, s390_qemu_cpu_model.features);
+}
+
static void s390_qemu_cpu_model_initfn(Object *obj)
{
- static S390CPUDef s390_qemu_cpu_defs;
S390CPU *cpu = S390_CPU(obj);
cpu->model = g_malloc0(sizeof(*cpu->model));
- /* TCG emulates a z900 (with some optional additional features) */
- memcpy(&s390_qemu_cpu_defs, &s390_cpu_defs[0], sizeof(s390_qemu_cpu_defs));
- add_qemu_cpu_model_features(s390_qemu_cpu_defs.full_feat);
- cpu->model->def = &s390_qemu_cpu_defs;
- bitmap_copy(cpu->model->features, cpu->model->def->default_feat,
- S390_FEAT_MAX);
+ /* copy the CPU model so we can modify it */
+ memcpy(cpu->model, &s390_qemu_cpu_model, sizeof(*cpu->model));
}
static void s390_cpu_model_finalize(Object *obj)
qemu_hw_version());
}
-#define S390_CPU_TYPE_SUFFIX "-" TYPE_S390_CPU
-#define S390_CPU_TYPE_NAME(name) (name S390_CPU_TYPE_SUFFIX)
-
/* Generate type name for a cpu model. Caller has to free the string. */
static char *s390_cpu_type_name(const char *model_name)
{
};
#endif
+static void init_ignored_base_feat(void)
+{
+ static const int feats[] = {
+ /* MSA subfunctions that could not be available on certain machines */
+ S390_FEAT_KMAC_DEA,
+ S390_FEAT_KMAC_TDEA_128,
+ S390_FEAT_KMAC_TDEA_192,
+ S390_FEAT_KMC_DEA,
+ S390_FEAT_KMC_TDEA_128,
+ S390_FEAT_KMC_TDEA_192,
+ S390_FEAT_KM_DEA,
+ S390_FEAT_KM_TDEA_128,
+ S390_FEAT_KM_TDEA_192,
+ S390_FEAT_KIMD_SHA_1,
+ S390_FEAT_KLMD_SHA_1,
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(feats); i++) {
+ set_bit(feats[i], ignored_base_feat);
+ }
+}
+
static void register_types(void)
{
+ static const S390FeatInit qemu_latest_init = { S390_FEAT_LIST_QEMU_LATEST };
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);
+#ifndef CONFIG_USER_ONLY
+ if (!pci_available) {
+ clear_bit(S390_FEAT_ZPCI, qemu_max_cpu_feat);
+ }
+#endif
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);
s390_cpu_defs[i].full_feat);
}
+ /* initialize the qemu model with latest definition */
+ s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN,
+ QEMU_MAX_CPU_EC_GA, qemu_latest_init);
+
for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
char *base_name = s390_base_cpu_type_name(s390_cpu_defs[i].name);
TypeInfo ti_base = {
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