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 "qemu-common.h"
 #include "migration/vmstate.h"
 #include "exec/exec-all.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);
 }

 /* CPUClass::reset() */
 static void m68k_cpu_reset(CPUState *s)
 {
     M68kCPU *cpu = M68K_CPU(s);
     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
     CPUM68KState *env = &cpu->env;

     mcc->parent_reset(s);

     memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
 #if !defined(CONFIG_USER_ONLY)
     env->sr = 0x2700;
 #endif
     m68k_switch_sp(env);
     /* ??? FP regs should be initialized to NaN.  */
     cpu_m68k_set_ccr(env, 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;

     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 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);
 }

 static void m68020_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_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);
 }
 #define m68030_cpu_initfn m68020_cpu_initfn
 #define m68040_cpu_initfn m68020_cpu_initfn

 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);
 }

 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 = "m68000", .instance_init = m68000_cpu_initfn },
     { .name = "m68020", .instance_init = m68020_cpu_initfn },
     { .name = "m68030", .instance_init = m68030_cpu_initfn },
     { .name = "m68040", .instance_init = m68040_cpu_initfn },
     { .name = "m68060", .instance_init = m68060_cpu_initfn },
     { .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)
 {
     CPUState *cs = CPU(dev);
     M68kCPU *cpu = M68K_CPU(dev);
     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
     Error *local_err = NULL;

     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)
 {
     CPUState *cs = CPU(obj);
     M68kCPU *cpu = M68K_CPU(obj);
     CPUM68KState *env = &cpu->env;
     static bool inited;

     cs->env_ptr = 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->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;
 #ifdef CONFIG_USER_ONLY
     cc->handle_mmu_fault = m68k_cpu_handle_mmu_fault;
 #else
     cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
 #endif
     cc->disas_set_info = m68k_cpu_disas_set_info;

     cc->gdb_num_core_regs = 18;
     cc->gdb_core_xml_file = "cf-core.xml";

     dc->vmsd = &vmstate_m68k_cpu;
 }

 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 = {
     .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,
 };

 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)
	/*
	* 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 "qemu-common.h"
	#include "migration/vmstate.h"
	#include "exec/exec-all.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);
	}

	/* CPUClass::reset() */
	static void m68k_cpu_reset(CPUState *s)
	{
	M68kCPU *cpu = M68K_CPU(s);
	M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
	CPUM68KState *env = &cpu->env;

	mcc->parent_reset(s);

	memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
	#if !defined(CONFIG_USER_ONLY)
	env->sr = 0x2700;
	#endif
	m68k_switch_sp(env);
	/* ??? FP regs should be initialized to NaN. */
	cpu_m68k_set_ccr(env, 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;

	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 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);
	}

	static void m68020_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_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);
	}
	#define m68030_cpu_initfn m68020_cpu_initfn
	#define m68040_cpu_initfn m68020_cpu_initfn

	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);
	}

	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 = "m68000", .instance_init = m68000_cpu_initfn },
	{ .name = "m68020", .instance_init = m68020_cpu_initfn },
	{ .name = "m68030", .instance_init = m68030_cpu_initfn },
	{ .name = "m68040", .instance_init = m68040_cpu_initfn },
	{ .name = "m68060", .instance_init = m68060_cpu_initfn },
	{ .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)
	{
	CPUState *cs = CPU(dev);
	M68kCPU *cpu = M68K_CPU(dev);
	M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
	Error *local_err = NULL;

	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)
	{
	CPUState *cs = CPU(obj);
	M68kCPU *cpu = M68K_CPU(obj);
	CPUM68KState *env = &cpu->env;
	static bool inited;

	cs->env_ptr = 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->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;
	#ifdef CONFIG_USER_ONLY
	cc->handle_mmu_fault = m68k_cpu_handle_mmu_fault;
	#else
	cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
	#endif
	cc->disas_set_info = m68k_cpu_disas_set_info;

	cc->gdb_num_core_regs = 18;
	cc->gdb_core_xml_file = "cf-core.xml";

	dc->vmsd = &vmstate_m68k_cpu;
	}

	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 = {
	.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,
	};

	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)