#include "cpu.h"
#include "qemu-common.h"
+#include "migration/vmstate.h"
+static void m68k_cpu_set_pc(CPUState *cs, vaddr value)
+{
+ M68kCPU *cpu = M68K_CPU(cs);
+
+ cpu->env.pc = value;
+}
+
+static void m68k_set_feature(CPUM68KState *env, int feature)
+{
+ env->features |= (1u << feature);
+}
+
/* CPUClass::reset() */
static void m68k_cpu_reset(CPUState *s)
{
M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
CPUM68KState *env = &cpu->env;
- if (qemu_loglevel_mask(CPU_LOG_RESET)) {
- qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
- log_cpu_state(env, 0);
- }
-
mcc->parent_reset(s);
memset(env, 0, offsetof(CPUM68KState, breakpoints));
tlb_flush(env, 1);
}
+/* CPU models */
+
+static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model)
+{
+ ObjectClass *oc;
+ char *typename;
+
+ if (cpu_model == NULL) {
+ return NULL;
+ }
+
+ typename = g_strdup_printf("%s-" TYPE_M68K_CPU, cpu_model);
+ oc = object_class_by_name(typename);
+ g_free(typename);
+ if (oc != NULL && (object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL ||
+ object_class_is_abstract(oc))) {
+ return NULL;
+ }
+ return oc;
+}
+
+static void m5206_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
+}
+
+static void m5208_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_APLUSC);
+ m68k_set_feature(env, M68K_FEATURE_BRAL);
+ m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
+ m68k_set_feature(env, M68K_FEATURE_USP);
+}
+
+static void cfv4e_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
+ m68k_set_feature(env, M68K_FEATURE_BRAL);
+ m68k_set_feature(env, M68K_FEATURE_CF_FPU);
+ m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
+ m68k_set_feature(env, M68K_FEATURE_USP);
+}
+
+static void any_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
+ m68k_set_feature(env, M68K_FEATURE_CF_ISA_APLUSC);
+ m68k_set_feature(env, M68K_FEATURE_BRAL);
+ m68k_set_feature(env, M68K_FEATURE_CF_FPU);
+ /* MAC and EMAC are mututally exclusive, so pick EMAC.
+ It's mostly backwards compatible. */
+ m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
+ m68k_set_feature(env, M68K_FEATURE_CF_EMAC_B);
+ m68k_set_feature(env, M68K_FEATURE_USP);
+ m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
+ m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
+}
+
+typedef struct M68kCPUInfo {
+ const char *name;
+ void (*instance_init)(Object *obj);
+} M68kCPUInfo;
+
+static const M68kCPUInfo m68k_cpus[] = {
+ { .name = "m5206", .instance_init = m5206_cpu_initfn },
+ { .name = "m5208", .instance_init = m5208_cpu_initfn },
+ { .name = "cfv4e", .instance_init = cfv4e_cpu_initfn },
+ { .name = "any", .instance_init = any_cpu_initfn },
+};
+
+static void m68k_cpu_realizefn(DeviceState *dev, Error **errp)
+{
+ M68kCPU *cpu = M68K_CPU(dev);
+ M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
+
+ m68k_cpu_init_gdb(cpu);
+
+ cpu_reset(CPU(cpu));
+
+ mcc->parent_realize(dev, errp);
+}
+
static void m68k_cpu_initfn(Object *obj)
{
+ CPUState *cs = CPU(obj);
M68kCPU *cpu = M68K_CPU(obj);
CPUM68KState *env = &cpu->env;
+ static bool inited;
+ cs->env_ptr = env;
cpu_exec_init(env);
+
+ if (tcg_enabled() && !inited) {
+ inited = true;
+ m68k_tcg_init();
+ }
}
+static const VMStateDescription vmstate_m68k_cpu = {
+ .name = "cpu",
+ .unmigratable = 1,
+};
+
static void m68k_cpu_class_init(ObjectClass *c, void *data)
{
M68kCPUClass *mcc = M68K_CPU_CLASS(c);
CPUClass *cc = CPU_CLASS(c);
+ DeviceClass *dc = DEVICE_CLASS(c);
+
+ mcc->parent_realize = dc->realize;
+ dc->realize = m68k_cpu_realizefn;
mcc->parent_reset = cc->reset;
cc->reset = m68k_cpu_reset;
+
+ cc->class_by_name = m68k_cpu_class_by_name;
+ cc->do_interrupt = m68k_cpu_do_interrupt;
+ cc->dump_state = m68k_cpu_dump_state;
+ cc->set_pc = m68k_cpu_set_pc;
+ cc->gdb_read_register = m68k_cpu_gdb_read_register;
+ cc->gdb_write_register = m68k_cpu_gdb_write_register;
+#ifndef CONFIG_USER_ONLY
+ cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
+#endif
+ dc->vmsd = &vmstate_m68k_cpu;
+ cc->gdb_num_core_regs = 18;
+}
+
+static void register_cpu_type(const M68kCPUInfo *info)
+{
+ TypeInfo type_info = {
+ .parent = TYPE_M68K_CPU,
+ .instance_init = info->instance_init,
+ };
+
+ type_info.name = g_strdup_printf("%s-" TYPE_M68K_CPU, info->name);
+ type_register(&type_info);
+ g_free((void *)type_info.name);
}
static const TypeInfo m68k_cpu_type_info = {
.parent = TYPE_CPU,
.instance_size = sizeof(M68kCPU),
.instance_init = m68k_cpu_initfn,
- .abstract = false,
+ .abstract = true,
.class_size = sizeof(M68kCPUClass),
.class_init = m68k_cpu_class_init,
};
static void m68k_cpu_register_types(void)
{
+ int i;
+
type_register_static(&m68k_cpu_type_info);
+ for (i = 0; i < ARRAY_SIZE(m68k_cpus); i++) {
+ register_cpu_type(&m68k_cpus[i]);
+ }
}
type_init(m68k_cpu_register_types)
projects / qemu.git / blobdiff