4 * Copyright (c) 2013 Anthony Green
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "qemu-common.h"
22 #include "migration/vmstate.h"
25 static void moxie_cpu_set_pc(CPUState *cs, vaddr value)
27 MoxieCPU *cpu = MOXIE_CPU(cs);
32 static void moxie_cpu_reset(CPUState *s)
34 MoxieCPU *cpu = MOXIE_CPU(s);
35 MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(cpu);
36 CPUMoxieState *env = &cpu->env;
40 memset(env, 0, offsetof(CPUMoxieState, breakpoints));
46 static void moxie_cpu_realizefn(DeviceState *dev, Error **errp)
48 MoxieCPU *cpu = MOXIE_CPU(dev);
49 MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(dev);
53 mcc->parent_realize(dev, errp);
56 static void moxie_cpu_initfn(Object *obj)
58 CPUState *cs = CPU(obj);
59 MoxieCPU *cpu = MOXIE_CPU(obj);
62 cs->env_ptr = &cpu->env;
63 cpu_exec_init(&cpu->env);
65 if (tcg_enabled() && !inited) {
67 moxie_translate_init();
71 static ObjectClass *moxie_cpu_class_by_name(const char *cpu_model)
75 if (cpu_model == NULL) {
79 oc = object_class_by_name(cpu_model);
80 if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_MOXIE_CPU) ||
81 object_class_is_abstract(oc))) {
87 static void moxie_cpu_class_init(ObjectClass *oc, void *data)
89 DeviceClass *dc = DEVICE_CLASS(oc);
90 CPUClass *cc = CPU_CLASS(oc);
91 MoxieCPUClass *mcc = MOXIE_CPU_CLASS(oc);
93 mcc->parent_realize = dc->realize;
94 dc->realize = moxie_cpu_realizefn;
96 mcc->parent_reset = cc->reset;
97 cc->reset = moxie_cpu_reset;
99 cc->class_by_name = moxie_cpu_class_by_name;
101 cc->do_interrupt = moxie_cpu_do_interrupt;
102 cc->dump_state = moxie_cpu_dump_state;
103 cc->set_pc = moxie_cpu_set_pc;
104 #ifndef CONFIG_USER_ONLY
105 cc->get_phys_page_debug = moxie_cpu_get_phys_page_debug;
106 cc->vmsd = &vmstate_moxie_cpu;
110 static void moxielite_initfn(Object *obj)
112 /* Set cpu feature flags */
115 static void moxie_any_initfn(Object *obj)
117 /* Set cpu feature flags */
120 typedef struct MoxieCPUInfo {
122 void (*initfn)(Object *obj);
125 static const MoxieCPUInfo moxie_cpus[] = {
126 { .name = "MoxieLite", .initfn = moxielite_initfn },
127 { .name = "any", .initfn = moxie_any_initfn },
130 MoxieCPU *cpu_moxie_init(const char *cpu_model)
135 oc = moxie_cpu_class_by_name(cpu_model);
139 cpu = MOXIE_CPU(object_new(object_class_get_name(oc)));
140 cpu->env.cpu_model_str = cpu_model;
142 object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
147 static void cpu_register(const MoxieCPUInfo *info)
149 TypeInfo type_info = {
150 .parent = TYPE_MOXIE_CPU,
151 .instance_size = sizeof(MoxieCPU),
152 .instance_init = info->initfn,
153 .class_size = sizeof(MoxieCPUClass),
156 type_info.name = g_strdup_printf("%s-" TYPE_MOXIE_CPU, info->name);
157 type_register(&type_info);
158 g_free((void *)type_info.name);
161 static const TypeInfo moxie_cpu_type_info = {
162 .name = TYPE_MOXIE_CPU,
164 .instance_size = sizeof(MoxieCPU),
165 .instance_init = moxie_cpu_initfn,
166 .class_size = sizeof(MoxieCPUClass),
167 .class_init = moxie_cpu_class_init,
170 static void moxie_cpu_register_types(void)
173 type_register_static(&moxie_cpu_type_info);
174 for (i = 0; i < ARRAY_SIZE(moxie_cpus); i++) {
175 cpu_register(&moxie_cpus[i]);
179 type_init(moxie_cpu_register_types)