diff options
Diffstat (limited to 'target-cris/cpu.c')
-rw-r--r-- | target-cris/cpu.c | 153 |
1 files changed, 152 insertions, 1 deletions
diff --git a/target-cris/cpu.c b/target-cris/cpu.c index fedf64191d..80089884e9 100644 --- a/target-cris/cpu.c +++ b/target-cris/cpu.c @@ -55,6 +55,84 @@ static void cris_cpu_reset(CPUState *s) #endif } +static ObjectClass *cris_cpu_class_by_name(const char *cpu_model) +{ + ObjectClass *oc; + char *typename; + + if (cpu_model == NULL) { + return NULL; + } + + typename = g_strdup_printf("%s-" TYPE_CRIS_CPU, cpu_model); + oc = object_class_by_name(typename); + g_free(typename); + if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_CRIS_CPU) || + object_class_is_abstract(oc))) { + oc = NULL; + } + return oc; +} + +CRISCPU *cpu_cris_init(const char *cpu_model) +{ + CRISCPU *cpu; + ObjectClass *oc; + + oc = cris_cpu_class_by_name(cpu_model); + if (oc == NULL) { + return NULL; + } + cpu = CRIS_CPU(object_new(object_class_get_name(oc))); + + object_property_set_bool(OBJECT(cpu), true, "realized", NULL); + + return cpu; +} + +/* Sort alphabetically by VR. */ +static gint cris_cpu_list_compare(gconstpointer a, gconstpointer b) +{ + CRISCPUClass *ccc_a = CRIS_CPU_CLASS(a); + CRISCPUClass *ccc_b = CRIS_CPU_CLASS(b); + + /* */ + if (ccc_a->vr > ccc_b->vr) { + return 1; + } else if (ccc_a->vr < ccc_b->vr) { + return -1; + } else { + return 0; + } +} + +static void cris_cpu_list_entry(gpointer data, gpointer user_data) +{ + ObjectClass *oc = data; + CPUListState *s = user_data; + const char *typename = object_class_get_name(oc); + char *name; + + name = g_strndup(typename, strlen(typename) - strlen("-" TYPE_CRIS_CPU)); + (*s->cpu_fprintf)(s->file, " %s\n", name); + g_free(name); +} + +void cris_cpu_list(FILE *f, fprintf_function cpu_fprintf) +{ + CPUListState s = { + .file = f, + .cpu_fprintf = cpu_fprintf, + }; + GSList *list; + + list = object_class_get_list(TYPE_CRIS_CPU, false); + list = g_slist_sort(list, cris_cpu_list_compare); + (*cpu_fprintf)(f, "Available CPUs:\n"); + g_slist_foreach(list, cris_cpu_list_entry, &s); + g_slist_free(list); +} + static void cris_cpu_realizefn(DeviceState *dev, Error **errp) { CRISCPU *cpu = CRIS_CPU(dev); @@ -69,11 +147,14 @@ static void cris_cpu_realizefn(DeviceState *dev, Error **errp) static void cris_cpu_initfn(Object *obj) { CRISCPU *cpu = CRIS_CPU(obj); + CRISCPUClass *ccc = CRIS_CPU_GET_CLASS(obj); CPUCRISState *env = &cpu->env; static bool tcg_initialized; cpu_exec_init(env); + env->pregs[PR_VR] = ccc->vr; + if (tcg_enabled() && !tcg_initialized) { tcg_initialized = true; if (env->pregs[PR_VR] < 32) { @@ -84,6 +165,69 @@ static void cris_cpu_initfn(Object *obj) } } +static void crisv8_cpu_class_init(ObjectClass *oc, void *data) +{ + CRISCPUClass *ccc = CRIS_CPU_CLASS(oc); + + ccc->vr = 8; +} + +static void crisv9_cpu_class_init(ObjectClass *oc, void *data) +{ + CRISCPUClass *ccc = CRIS_CPU_CLASS(oc); + + ccc->vr = 9; +} + +static void crisv10_cpu_class_init(ObjectClass *oc, void *data) +{ + CRISCPUClass *ccc = CRIS_CPU_CLASS(oc); + + ccc->vr = 10; +} + +static void crisv11_cpu_class_init(ObjectClass *oc, void *data) +{ + CRISCPUClass *ccc = CRIS_CPU_CLASS(oc); + + ccc->vr = 11; +} + +static void crisv32_cpu_class_init(ObjectClass *oc, void *data) +{ + CRISCPUClass *ccc = CRIS_CPU_CLASS(oc); + + ccc->vr = 32; +} + +#define TYPE(model) model "-" TYPE_CRIS_CPU + +static const TypeInfo cris_cpu_model_type_infos[] = { + { + .name = TYPE("crisv8"), + .parent = TYPE_CRIS_CPU, + .class_init = crisv8_cpu_class_init, + }, { + .name = TYPE("crisv9"), + .parent = TYPE_CRIS_CPU, + .class_init = crisv9_cpu_class_init, + }, { + .name = TYPE("crisv10"), + .parent = TYPE_CRIS_CPU, + .class_init = crisv10_cpu_class_init, + }, { + .name = TYPE("crisv11"), + .parent = TYPE_CRIS_CPU, + .class_init = crisv11_cpu_class_init, + }, { + .name = TYPE("crisv32"), + .parent = TYPE_CRIS_CPU, + .class_init = crisv32_cpu_class_init, + } +}; + +#undef TYPE + static void cris_cpu_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); @@ -95,6 +239,8 @@ static void cris_cpu_class_init(ObjectClass *oc, void *data) ccc->parent_reset = cc->reset; cc->reset = cris_cpu_reset; + + cc->class_by_name = cris_cpu_class_by_name; } static const TypeInfo cris_cpu_type_info = { @@ -102,14 +248,19 @@ static const TypeInfo cris_cpu_type_info = { .parent = TYPE_CPU, .instance_size = sizeof(CRISCPU), .instance_init = cris_cpu_initfn, - .abstract = false, + .abstract = true, .class_size = sizeof(CRISCPUClass), .class_init = cris_cpu_class_init, }; static void cris_cpu_register_types(void) { + int i; + type_register_static(&cris_cpu_type_info); + for (i = 0; i < ARRAY_SIZE(cris_cpu_model_type_infos); i++) { + type_register_static(&cris_cpu_model_type_infos[i]); + } } type_init(cris_cpu_register_types) |