diff options
Diffstat (limited to 'target/riscv/riscv-qmp-cmds.c')
| -rw-r--r-- | target/riscv/riscv-qmp-cmds.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/target/riscv/riscv-qmp-cmds.c b/target/riscv/riscv-qmp-cmds.c index 5ecff1afb3..2f2dbae7c8 100644 --- a/target/riscv/riscv-qmp-cmds.c +++ b/target/riscv/riscv-qmp-cmds.c @@ -24,8 +24,17 @@ #include "qemu/osdep.h" +#include "qapi/error.h" #include "qapi/qapi-commands-machine-target.h" +#include "qapi/qmp/qdict.h" +#include "qapi/qmp/qerror.h" +#include "qapi/qobject-input-visitor.h" +#include "qapi/visitor.h" +#include "qom/qom-qobject.h" +#include "sysemu/kvm.h" +#include "sysemu/tcg.h" #include "cpu-qom.h" +#include "cpu.h" static void riscv_cpu_add_definition(gpointer data, gpointer user_data) { @@ -55,3 +64,154 @@ CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp) return cpu_list; } + +static void riscv_check_if_cpu_available(RISCVCPU *cpu, Error **errp) +{ + if (!riscv_cpu_accelerator_compatible(cpu)) { + g_autofree char *name = riscv_cpu_get_name(cpu); + const char *accel = kvm_enabled() ? "kvm" : "tcg"; + + error_setg(errp, "'%s' CPU not available with %s", name, accel); + return; + } +} + +static void riscv_obj_add_qdict_prop(Object *obj, QDict *qdict_out, + const char *name) +{ + ObjectProperty *prop = object_property_find(obj, name); + + if (prop) { + QObject *value; + + assert(prop->get); + value = object_property_get_qobject(obj, name, &error_abort); + + qdict_put_obj(qdict_out, name, value); + } +} + +static void riscv_obj_add_multiext_props(Object *obj, QDict *qdict_out, + const RISCVCPUMultiExtConfig *arr) +{ + for (int i = 0; arr[i].name != NULL; i++) { + riscv_obj_add_qdict_prop(obj, qdict_out, arr[i].name); + } +} + +static void riscv_cpuobj_validate_qdict_in(Object *obj, QObject *props, + const QDict *qdict_in, + Error **errp) +{ + const QDictEntry *qe; + Visitor *visitor; + Error *local_err = NULL; + + visitor = qobject_input_visitor_new(props); + if (!visit_start_struct(visitor, NULL, NULL, 0, &local_err)) { + goto err; + } + + for (qe = qdict_first(qdict_in); qe; qe = qdict_next(qdict_in, qe)) { + object_property_find_err(obj, qe->key, &local_err); + if (local_err) { + goto err; + } + + object_property_set(obj, qe->key, visitor, &local_err); + if (local_err) { + goto err; + } + } + + visit_check_struct(visitor, &local_err); + if (local_err) { + goto err; + } + + riscv_cpu_finalize_features(RISCV_CPU(obj), &local_err); + if (local_err) { + goto err; + } + + visit_end_struct(visitor, NULL); + +err: + error_propagate(errp, local_err); + visit_free(visitor); +} + +CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type, + CpuModelInfo *model, + Error **errp) +{ + CpuModelExpansionInfo *expansion_info; + const QDict *qdict_in = NULL; + QDict *qdict_out; + ObjectClass *oc; + Object *obj; + Error *local_err = NULL; + + if (type != CPU_MODEL_EXPANSION_TYPE_FULL) { + error_setg(errp, "The requested expansion type is not supported"); + return NULL; + } + + oc = cpu_class_by_name(TYPE_RISCV_CPU, model->name); + if (!oc) { + error_setg(errp, "The CPU type '%s' is not a known RISC-V CPU type", + model->name); + return NULL; + } + + if (model->props) { + qdict_in = qobject_to(QDict, model->props); + if (!qdict_in) { + error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict"); + return NULL; + } + } + + obj = object_new(object_class_get_name(oc)); + + riscv_check_if_cpu_available(RISCV_CPU(obj), &local_err); + if (local_err != NULL) { + error_propagate(errp, local_err); + object_unref(obj); + return NULL; + } + + if (qdict_in) { + riscv_cpuobj_validate_qdict_in(obj, model->props, qdict_in, + &local_err); + if (local_err) { + error_propagate(errp, local_err); + object_unref(obj); + return NULL; + } + } + + expansion_info = g_new0(CpuModelExpansionInfo, 1); + expansion_info->model = g_malloc0(sizeof(*expansion_info->model)); + expansion_info->model->name = g_strdup(model->name); + + qdict_out = qdict_new(); + + riscv_obj_add_multiext_props(obj, qdict_out, riscv_cpu_extensions); + riscv_obj_add_multiext_props(obj, qdict_out, riscv_cpu_experimental_exts); + riscv_obj_add_multiext_props(obj, qdict_out, riscv_cpu_vendor_exts); + + /* Add our CPU boolean options too */ + riscv_obj_add_qdict_prop(obj, qdict_out, "mmu"); + riscv_obj_add_qdict_prop(obj, qdict_out, "pmp"); + + if (!qdict_size(qdict_out)) { + qobject_unref(qdict_out); + } else { + expansion_info->model->props = QOBJECT(qdict_out); + } + + object_unref(obj); + + return expansion_info; +} |