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117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
/*
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* QEMU LoongArch CPU (monitor definitions)
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*
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* SPDX-FileCopyrightText: 2021 Loongson Technology Corporation Limited
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qapi/qapi-commands-machine-target.h"
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#include "cpu.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qobject-input-visitor.h"
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#include "qom/qom-qobject.h"
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static void loongarch_cpu_add_definition(gpointer data, gpointer user_data)
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{
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ObjectClass *oc = data;
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CpuDefinitionInfoList **cpu_list = user_data;
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CpuDefinitionInfo *info = g_new0(CpuDefinitionInfo, 1);
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const char *typename = object_class_get_name(oc);
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info->name = cpu_model_from_type(typename);
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info->q_typename = g_strdup(typename);
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QAPI_LIST_PREPEND(*cpu_list, info);
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}
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CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
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{
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CpuDefinitionInfoList *cpu_list = NULL;
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GSList *list;
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list = object_class_get_list(TYPE_LOONGARCH_CPU, false);
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g_slist_foreach(list, loongarch_cpu_add_definition, &cpu_list);
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g_slist_free(list);
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return cpu_list;
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}
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static const char *cpu_model_advertised_features[] = {
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"lsx", "lasx", "lbt", "pmu", NULL
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};
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CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type,
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CpuModelInfo *model,
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Error **errp)
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{
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Visitor *visitor;
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bool ok;
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CpuModelExpansionInfo *expansion_info;
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QDict *qdict_out;
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ObjectClass *oc;
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Object *obj;
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const char *name;
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int i;
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if (type != CPU_MODEL_EXPANSION_TYPE_STATIC) {
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error_setg(errp, "The requested expansion type is not supported");
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return NULL;
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}
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if (model->props) {
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visitor = qobject_input_visitor_new(model->props);
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if (!visit_start_struct(visitor, "model.props", NULL, 0, errp)) {
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visit_free(visitor);
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return NULL;
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}
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ok = visit_check_struct(visitor, errp);
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visit_end_struct(visitor, NULL);
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visit_free(visitor);
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if (!ok) {
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return NULL;
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}
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}
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oc = cpu_class_by_name(TYPE_LOONGARCH_CPU, model->name);
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if (!oc) {
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error_setg(errp, "The CPU type '%s' is not a recognized LoongArch CPU type",
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model->name);
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return NULL;
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}
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obj = object_new(object_class_get_name(oc));
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expansion_info = g_new0(CpuModelExpansionInfo, 1);
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expansion_info->model = g_malloc0(sizeof(*expansion_info->model));
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expansion_info->model->name = g_strdup(model->name);
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qdict_out = qdict_new();
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i = 0;
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while ((name = cpu_model_advertised_features[i++]) != NULL) {
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ObjectProperty *prop = object_property_find(obj, name);
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if (prop) {
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QObject *value;
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assert(prop->get);
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value = object_property_get_qobject(obj, name, &error_abort);
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qdict_put_obj(qdict_out, name, value);
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}
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}
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if (!qdict_size(qdict_out)) {
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qobject_unref(qdict_out);
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} else {
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expansion_info->model->props = QOBJECT(qdict_out);
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}
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object_unref(obj);
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return expansion_info;
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}
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