| /* |
| * 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 "cpu.h" |
| #include "qemu-common.h" |
| |
| |
| /* 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; |
| |
| 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)); |
| #if !defined(CONFIG_USER_ONLY) |
| env->sr = 0x2700; |
| #endif |
| m68k_switch_sp(env); |
| /* ??? FP regs should be initialized to NaN. */ |
| env->cc_op = CC_OP_FLAGS; |
| /* TODO: We should set PC from the interrupt vector. */ |
| env->pc = 0; |
| tlb_flush(env, 1); |
| } |
| |
| static void m68k_cpu_class_init(ObjectClass *c, void *data) |
| { |
| M68kCPUClass *mcc = M68K_CPU_CLASS(c); |
| CPUClass *cc = CPU_CLASS(c); |
| |
| mcc->parent_reset = cc->reset; |
| cc->reset = m68k_cpu_reset; |
| } |
| |
| static const TypeInfo m68k_cpu_type_info = { |
| .name = TYPE_M68K_CPU, |
| .parent = TYPE_CPU, |
| .instance_size = sizeof(M68kCPU), |
| .abstract = false, |
| .class_size = sizeof(M68kCPUClass), |
| .class_init = m68k_cpu_class_init, |
| }; |
| |
| static void m68k_cpu_register_types(void) |
| { |
| type_register_static(&m68k_cpu_type_info); |
| } |
| |
| type_init(m68k_cpu_register_types) |