target/m68k/cpu.c - qemu - Git at Google

 /*
  * QEMU Motorola 68k CPU
  *
  * Copyright (c) 2012 SUSE LINUX Products GmbH
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see
  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  */

 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "cpu.h"
 #include "migration/vmstate.h"
 #include "fpu/softfloat.h"

 static void m68k_cpu_set_pc(CPUState *cs, vaddr value)
 {
     M68kCPU *cpu = M68K_CPU(cs);

     cpu->env.pc = value;
 }

 static bool m68k_cpu_has_work(CPUState *cs)
 {
     return cs->interrupt_request & CPU_INTERRUPT_HARD;
 }

 static void m68k_set_feature(CPUM68KState *env, int feature)
 {
     env->features |= (1u << feature);
 }

 static void m68k_cpu_reset(DeviceState *dev)
 {
     CPUState *s = CPU(dev);
     M68kCPU *cpu = M68K_CPU(s);
     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
     CPUM68KState *env = &cpu->env;
     floatx80 nan = floatx80_default_nan(NULL);
     int i;

     mcc->parent_reset(dev);

     memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
 #ifdef CONFIG_SOFTMMU
     cpu_m68k_set_sr(env, SR_S | SR_I);
 #else
     cpu_m68k_set_sr(env, 0);
 #endif
     for (i = 0; i < 8; i++) {
         env->fregs[i].d = nan;
     }
     cpu_m68k_set_fpcr(env, 0);
     env->fpsr = 0;

     /* TODO: We should set PC from the interrupt vector.  */
     env->pc = 0;
 }

 static void m68k_cpu_disas_set_info(CPUState *s, disassemble_info *info)
 {
     M68kCPU *cpu = M68K_CPU(s);
     CPUM68KState *env = &cpu->env;
     info->print_insn = print_insn_m68k;
     if (m68k_feature(env, M68K_FEATURE_M68000)) {
         info->mach = bfd_mach_m68040;
     }
 }

 /* CPU models */

 static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model)
 {
     ObjectClass *oc;
     char *typename;

     typename = g_strdup_printf(M68K_CPU_TYPE_NAME("%s"), 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 m68000_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);
     CPUM68KState *env = &cpu->env;

     m68k_set_feature(env, M68K_FEATURE_M68000);
     m68k_set_feature(env, M68K_FEATURE_USP);
     m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
     m68k_set_feature(env, M68K_FEATURE_MOVEP);
 }

 /* common features for 68020, 68030 and 68040 */
 static void m680x0_cpu_common(CPUM68KState *env)
 {
     m68k_set_feature(env, M68K_FEATURE_M68000);
     m68k_set_feature(env, M68K_FEATURE_USP);
     m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
     m68k_set_feature(env, M68K_FEATURE_QUAD_MULDIV);
     m68k_set_feature(env, M68K_FEATURE_BRAL);
     m68k_set_feature(env, M68K_FEATURE_BCCL);
     m68k_set_feature(env, M68K_FEATURE_BITFIELD);
     m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
     m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
     m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
     m68k_set_feature(env, M68K_FEATURE_FPU);
     m68k_set_feature(env, M68K_FEATURE_CAS);
     m68k_set_feature(env, M68K_FEATURE_BKPT);
     m68k_set_feature(env, M68K_FEATURE_RTD);
     m68k_set_feature(env, M68K_FEATURE_CHK2);
     m68k_set_feature(env, M68K_FEATURE_MOVEP);
 }

 static void m68020_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);
     CPUM68KState *env = &cpu->env;

     m680x0_cpu_common(env);
     m68k_set_feature(env, M68K_FEATURE_M68020);
 }

 static void m68030_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);
     CPUM68KState *env = &cpu->env;

     m680x0_cpu_common(env);
     m68k_set_feature(env, M68K_FEATURE_M68030);
 }

 static void m68040_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);
     CPUM68KState *env = &cpu->env;

     m680x0_cpu_common(env);
     m68k_set_feature(env, M68K_FEATURE_M68040);
 }

 static void m68060_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);
     CPUM68KState *env = &cpu->env;

     m68k_set_feature(env, M68K_FEATURE_M68000);
     m68k_set_feature(env, M68K_FEATURE_USP);
     m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
     m68k_set_feature(env, M68K_FEATURE_BRAL);
     m68k_set_feature(env, M68K_FEATURE_BCCL);
     m68k_set_feature(env, M68K_FEATURE_BITFIELD);
     m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
     m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
     m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
     m68k_set_feature(env, M68K_FEATURE_FPU);
     m68k_set_feature(env, M68K_FEATURE_CAS);
     m68k_set_feature(env, M68K_FEATURE_BKPT);
     m68k_set_feature(env, M68K_FEATURE_RTD);
     m68k_set_feature(env, M68K_FEATURE_CHK2);
     m68k_set_feature(env, M68K_FEATURE_M68060);
 }

 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);
 }

 static void m68k_cpu_realizefn(DeviceState *dev, Error **errp)
 {
     CPUState *cs = CPU(dev);
     M68kCPU *cpu = M68K_CPU(dev);
     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
     Error *local_err = NULL;

     register_m68k_insns(&cpu->env);

     cpu_exec_realizefn(cs, &local_err);
     if (local_err != NULL) {
         error_propagate(errp, local_err);
         return;
     }

     m68k_cpu_init_gdb(cpu);

     cpu_reset(cs);
     qemu_init_vcpu(cs);

     mcc->parent_realize(dev, errp);
 }

 static void m68k_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);

     cpu_set_cpustate_pointers(cpu);
 }

 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);

     device_class_set_parent_realize(dc, m68k_cpu_realizefn,
                                     &mcc->parent_realize);
     device_class_set_parent_reset(dc, m68k_cpu_reset, &mcc->parent_reset);

     cc->class_by_name = m68k_cpu_class_by_name;
     cc->has_work = m68k_cpu_has_work;
     cc->do_interrupt = m68k_cpu_do_interrupt;
     cc->cpu_exec_interrupt = m68k_cpu_exec_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;
     cc->tlb_fill = m68k_cpu_tlb_fill;
 #if defined(CONFIG_SOFTMMU)
     cc->do_transaction_failed = m68k_cpu_transaction_failed;
     cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
 #endif
     cc->disas_set_info = m68k_cpu_disas_set_info;
     cc->tcg_initialize = m68k_tcg_init;

     cc->gdb_num_core_regs = 18;

     dc->vmsd = &vmstate_m68k_cpu;
 }

 static void m68k_cpu_class_init_cf_core(ObjectClass *c, void *data)
 {
     CPUClass *cc = CPU_CLASS(c);

     cc->gdb_core_xml_file = "cf-core.xml";
 }

 #define DEFINE_M68K_CPU_TYPE_CF(model)               \
     {                                                \
         .name = M68K_CPU_TYPE_NAME(#model),          \
         .instance_init = model##_cpu_initfn,         \
         .parent = TYPE_M68K_CPU,                     \
         .class_init = m68k_cpu_class_init_cf_core    \
     }

 static void m68k_cpu_class_init_m68k_core(ObjectClass *c, void *data)
 {
     CPUClass *cc = CPU_CLASS(c);

     cc->gdb_core_xml_file = "m68k-core.xml";
 }

 #define DEFINE_M68K_CPU_TYPE_M68K(model)             \
     {                                                \
         .name = M68K_CPU_TYPE_NAME(#model),          \
         .instance_init = model##_cpu_initfn,         \
         .parent = TYPE_M68K_CPU,                     \
         .class_init = m68k_cpu_class_init_m68k_core  \
     }

 static const TypeInfo m68k_cpus_type_infos[] = {
     { /* base class should be registered first */
         .name = TYPE_M68K_CPU,
         .parent = TYPE_CPU,
         .instance_size = sizeof(M68kCPU),
         .instance_init = m68k_cpu_initfn,
         .abstract = true,
         .class_size = sizeof(M68kCPUClass),
         .class_init = m68k_cpu_class_init,
     },
     DEFINE_M68K_CPU_TYPE_M68K(m68000),
     DEFINE_M68K_CPU_TYPE_M68K(m68020),
     DEFINE_M68K_CPU_TYPE_M68K(m68030),
     DEFINE_M68K_CPU_TYPE_M68K(m68040),
     DEFINE_M68K_CPU_TYPE_M68K(m68060),
     DEFINE_M68K_CPU_TYPE_CF(m5206),
     DEFINE_M68K_CPU_TYPE_CF(m5208),
     DEFINE_M68K_CPU_TYPE_CF(cfv4e),
     DEFINE_M68K_CPU_TYPE_CF(any),
 };

 DEFINE_TYPES(m68k_cpus_type_infos)
	/*
	* QEMU Motorola 68k CPU
	*
	* Copyright (c) 2012 SUSE LINUX Products GmbH
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, see
	* <http://www.gnu.org/licenses/lgpl-2.1.html>
	*/

	#include "qemu/osdep.h"
	#include "qapi/error.h"
	#include "cpu.h"
	#include "migration/vmstate.h"
	#include "fpu/softfloat.h"

	static void m68k_cpu_set_pc(CPUState *cs, vaddr value)
	{
	M68kCPU *cpu = M68K_CPU(cs);

	cpu->env.pc = value;
	}

	static bool m68k_cpu_has_work(CPUState *cs)
	{
	return cs->interrupt_request & CPU_INTERRUPT_HARD;
	}

	static void m68k_set_feature(CPUM68KState *env, int feature)
	{
	env->features \|= (1u << feature);
	}

	static void m68k_cpu_reset(DeviceState *dev)
	{
	CPUState *s = CPU(dev);
	M68kCPU *cpu = M68K_CPU(s);
	M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
	CPUM68KState *env = &cpu->env;
	floatx80 nan = floatx80_default_nan(NULL);
	int i;

	mcc->parent_reset(dev);

	memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
	#ifdef CONFIG_SOFTMMU
	cpu_m68k_set_sr(env, SR_S \| SR_I);
	#else
	cpu_m68k_set_sr(env, 0);
	#endif
	for (i = 0; i < 8; i++) {
	env->fregs[i].d = nan;
	}
	cpu_m68k_set_fpcr(env, 0);
	env->fpsr = 0;

	/* TODO: We should set PC from the interrupt vector. */
	env->pc = 0;
	}

	static void m68k_cpu_disas_set_info(CPUState s, disassemble_info info)
	{
	M68kCPU *cpu = M68K_CPU(s);
	CPUM68KState *env = &cpu->env;
	info->print_insn = print_insn_m68k;
	if (m68k_feature(env, M68K_FEATURE_M68000)) {
	info->mach = bfd_mach_m68040;
	}
	}

	/* CPU models */

	static ObjectClass m68k_cpu_class_by_name(const char cpu_model)
	{
	ObjectClass *oc;
	char *typename;

	typename = g_strdup_printf(M68K_CPU_TYPE_NAME("%s"), 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 m68000_cpu_initfn(Object *obj)
	{
	M68kCPU *cpu = M68K_CPU(obj);
	CPUM68KState *env = &cpu->env;

	m68k_set_feature(env, M68K_FEATURE_M68000);
	m68k_set_feature(env, M68K_FEATURE_USP);
	m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
	m68k_set_feature(env, M68K_FEATURE_MOVEP);
	}

	/* common features for 68020, 68030 and 68040 */
	static void m680x0_cpu_common(CPUM68KState *env)
	{
	m68k_set_feature(env, M68K_FEATURE_M68000);
	m68k_set_feature(env, M68K_FEATURE_USP);
	m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
	m68k_set_feature(env, M68K_FEATURE_QUAD_MULDIV);
	m68k_set_feature(env, M68K_FEATURE_BRAL);
	m68k_set_feature(env, M68K_FEATURE_BCCL);
	m68k_set_feature(env, M68K_FEATURE_BITFIELD);
	m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
	m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
	m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
	m68k_set_feature(env, M68K_FEATURE_FPU);
	m68k_set_feature(env, M68K_FEATURE_CAS);
	m68k_set_feature(env, M68K_FEATURE_BKPT);
	m68k_set_feature(env, M68K_FEATURE_RTD);
	m68k_set_feature(env, M68K_FEATURE_CHK2);
	m68k_set_feature(env, M68K_FEATURE_MOVEP);
	}

	static void m68020_cpu_initfn(Object *obj)
	{
	M68kCPU *cpu = M68K_CPU(obj);
	CPUM68KState *env = &cpu->env;

	m680x0_cpu_common(env);
	m68k_set_feature(env, M68K_FEATURE_M68020);
	}

	static void m68030_cpu_initfn(Object *obj)
	{
	M68kCPU *cpu = M68K_CPU(obj);
	CPUM68KState *env = &cpu->env;

	m680x0_cpu_common(env);
	m68k_set_feature(env, M68K_FEATURE_M68030);
	}

	static void m68040_cpu_initfn(Object *obj)
	{
	M68kCPU *cpu = M68K_CPU(obj);
	CPUM68KState *env = &cpu->env;

	m680x0_cpu_common(env);
	m68k_set_feature(env, M68K_FEATURE_M68040);
	}

	static void m68060_cpu_initfn(Object *obj)
	{
	M68kCPU *cpu = M68K_CPU(obj);
	CPUM68KState *env = &cpu->env;

	m68k_set_feature(env, M68K_FEATURE_M68000);
	m68k_set_feature(env, M68K_FEATURE_USP);
	m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
	m68k_set_feature(env, M68K_FEATURE_BRAL);
	m68k_set_feature(env, M68K_FEATURE_BCCL);
	m68k_set_feature(env, M68K_FEATURE_BITFIELD);
	m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
	m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
	m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
	m68k_set_feature(env, M68K_FEATURE_FPU);
	m68k_set_feature(env, M68K_FEATURE_CAS);
	m68k_set_feature(env, M68K_FEATURE_BKPT);
	m68k_set_feature(env, M68K_FEATURE_RTD);
	m68k_set_feature(env, M68K_FEATURE_CHK2);
	m68k_set_feature(env, M68K_FEATURE_M68060);
	}

	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);
	}

	static void m68k_cpu_realizefn(DeviceState dev, Error *errp)
	{
	CPUState *cs = CPU(dev);
	M68kCPU *cpu = M68K_CPU(dev);
	M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
	Error *local_err = NULL;

	register_m68k_insns(&cpu->env);

	cpu_exec_realizefn(cs, &local_err);
	if (local_err != NULL) {
	error_propagate(errp, local_err);
	return;
	}

	m68k_cpu_init_gdb(cpu);

	cpu_reset(cs);
	qemu_init_vcpu(cs);

	mcc->parent_realize(dev, errp);
	}

	static void m68k_cpu_initfn(Object *obj)
	{
	M68kCPU *cpu = M68K_CPU(obj);

	cpu_set_cpustate_pointers(cpu);
	}

	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);

	device_class_set_parent_realize(dc, m68k_cpu_realizefn,
	&mcc->parent_realize);
	device_class_set_parent_reset(dc, m68k_cpu_reset, &mcc->parent_reset);

	cc->class_by_name = m68k_cpu_class_by_name;
	cc->has_work = m68k_cpu_has_work;
	cc->do_interrupt = m68k_cpu_do_interrupt;
	cc->cpu_exec_interrupt = m68k_cpu_exec_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;
	cc->tlb_fill = m68k_cpu_tlb_fill;
	#if defined(CONFIG_SOFTMMU)
	cc->do_transaction_failed = m68k_cpu_transaction_failed;
	cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
	#endif
	cc->disas_set_info = m68k_cpu_disas_set_info;
	cc->tcg_initialize = m68k_tcg_init;

	cc->gdb_num_core_regs = 18;

	dc->vmsd = &vmstate_m68k_cpu;
	}

	static void m68k_cpu_class_init_cf_core(ObjectClass c, void data)
	{
	CPUClass *cc = CPU_CLASS(c);

	cc->gdb_core_xml_file = "cf-core.xml";
	}

	#define DEFINE_M68K_CPU_TYPE_CF(model) \
	{ \
	.name = M68K_CPU_TYPE_NAME(#model), \
	.instance_init = model##_cpu_initfn, \
	.parent = TYPE_M68K_CPU, \
	.class_init = m68k_cpu_class_init_cf_core \
	}

	static void m68k_cpu_class_init_m68k_core(ObjectClass c, void data)
	{
	CPUClass *cc = CPU_CLASS(c);

	cc->gdb_core_xml_file = "m68k-core.xml";
	}

	#define DEFINE_M68K_CPU_TYPE_M68K(model) \
	{ \
	.name = M68K_CPU_TYPE_NAME(#model), \
	.instance_init = model##_cpu_initfn, \
	.parent = TYPE_M68K_CPU, \
	.class_init = m68k_cpu_class_init_m68k_core \
	}

	static const TypeInfo m68k_cpus_type_infos[] = {
	{ /* base class should be registered first */
	.name = TYPE_M68K_CPU,
	.parent = TYPE_CPU,
	.instance_size = sizeof(M68kCPU),
	.instance_init = m68k_cpu_initfn,
	.abstract = true,
	.class_size = sizeof(M68kCPUClass),
	.class_init = m68k_cpu_class_init,
	},
	DEFINE_M68K_CPU_TYPE_M68K(m68000),
	DEFINE_M68K_CPU_TYPE_M68K(m68020),
	DEFINE_M68K_CPU_TYPE_M68K(m68030),
	DEFINE_M68K_CPU_TYPE_M68K(m68040),
	DEFINE_M68K_CPU_TYPE_M68K(m68060),
	DEFINE_M68K_CPU_TYPE_CF(m5206),
	DEFINE_M68K_CPU_TYPE_CF(m5208),
	DEFINE_M68K_CPU_TYPE_CF(cfv4e),
	DEFINE_M68K_CPU_TYPE_CF(any),
	};

	DEFINE_TYPES(m68k_cpus_type_infos)