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20#include "qemu/osdep.h"
21#include "qapi/error.h"
22#include "cpu.h"
23#include "qemu-common.h"
24#include "migration/vmstate.h"
25#include "machine.h"
26
27static void moxie_cpu_set_pc(CPUState *cs, vaddr value)
28{
29 MoxieCPU *cpu = MOXIE_CPU(cs);
30
31 cpu->env.pc = value;
32}
33
34static bool moxie_cpu_has_work(CPUState *cs)
35{
36 return cs->interrupt_request & CPU_INTERRUPT_HARD;
37}
38
39static void moxie_cpu_reset(CPUState *s)
40{
41 MoxieCPU *cpu = MOXIE_CPU(s);
42 MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(cpu);
43 CPUMoxieState *env = &cpu->env;
44
45 mcc->parent_reset(s);
46
47 memset(env, 0, offsetof(CPUMoxieState, end_reset_fields));
48 env->pc = 0x1000;
49}
50
51static void moxie_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
52{
53 info->mach = bfd_arch_moxie;
54 info->print_insn = print_insn_moxie;
55}
56
57static void moxie_cpu_realizefn(DeviceState *dev, Error **errp)
58{
59 CPUState *cs = CPU(dev);
60 MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(dev);
61 Error *local_err = NULL;
62
63 cpu_exec_realizefn(cs, &local_err);
64 if (local_err != NULL) {
65 error_propagate(errp, local_err);
66 return;
67 }
68
69 qemu_init_vcpu(cs);
70 cpu_reset(cs);
71
72 mcc->parent_realize(dev, errp);
73}
74
75static void moxie_cpu_initfn(Object *obj)
76{
77 CPUState *cs = CPU(obj);
78 MoxieCPU *cpu = MOXIE_CPU(obj);
79
80 cs->env_ptr = &cpu->env;
81}
82
83static ObjectClass *moxie_cpu_class_by_name(const char *cpu_model)
84{
85 ObjectClass *oc;
86 char *typename;
87
88 typename = g_strdup_printf(MOXIE_CPU_TYPE_NAME("%s"), cpu_model);
89 oc = object_class_by_name(typename);
90 g_free(typename);
91 if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_MOXIE_CPU) ||
92 object_class_is_abstract(oc))) {
93 return NULL;
94 }
95 return oc;
96}
97
98static void moxie_cpu_class_init(ObjectClass *oc, void *data)
99{
100 DeviceClass *dc = DEVICE_CLASS(oc);
101 CPUClass *cc = CPU_CLASS(oc);
102 MoxieCPUClass *mcc = MOXIE_CPU_CLASS(oc);
103
104 device_class_set_parent_realize(dc, moxie_cpu_realizefn,
105 &mcc->parent_realize);
106 mcc->parent_reset = cc->reset;
107 cc->reset = moxie_cpu_reset;
108
109 cc->class_by_name = moxie_cpu_class_by_name;
110
111 cc->has_work = moxie_cpu_has_work;
112 cc->do_interrupt = moxie_cpu_do_interrupt;
113 cc->dump_state = moxie_cpu_dump_state;
114 cc->set_pc = moxie_cpu_set_pc;
115#ifdef CONFIG_USER_ONLY
116 cc->handle_mmu_fault = moxie_cpu_handle_mmu_fault;
117#else
118 cc->get_phys_page_debug = moxie_cpu_get_phys_page_debug;
119 cc->vmsd = &vmstate_moxie_cpu;
120#endif
121 cc->disas_set_info = moxie_cpu_disas_set_info;
122 cc->tcg_initialize = moxie_translate_init;
123}
124
125static void moxielite_initfn(Object *obj)
126{
127
128}
129
130static void moxie_any_initfn(Object *obj)
131{
132
133}
134
135#define DEFINE_MOXIE_CPU_TYPE(cpu_model, initfn) \
136 { \
137 .parent = TYPE_MOXIE_CPU, \
138 .instance_init = initfn, \
139 .name = MOXIE_CPU_TYPE_NAME(cpu_model), \
140 }
141
142static const TypeInfo moxie_cpus_type_infos[] = {
143 {
144 .name = TYPE_MOXIE_CPU,
145 .parent = TYPE_CPU,
146 .instance_size = sizeof(MoxieCPU),
147 .instance_init = moxie_cpu_initfn,
148 .class_size = sizeof(MoxieCPUClass),
149 .class_init = moxie_cpu_class_init,
150 },
151 DEFINE_MOXIE_CPU_TYPE("MoxieLite", moxielite_initfn),
152 DEFINE_MOXIE_CPU_TYPE("any", moxie_any_initfn),
153};
154
155DEFINE_TYPES(moxie_cpus_type_infos)
156