File:  [Qemu by Fabrice Bellard] / qemu / target-lm32 / cpu.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 19:52:17 2018 UTC (3 years, 7 months ago) by root
Branches: qemu, MAIN
CVS tags: qemu1101, HEAD
qemu 1.1.1

    1: /*
    2:  * QEMU LatticeMico32 CPU
    3:  *
    4:  * Copyright (c) 2012 SUSE LINUX Products GmbH
    5:  *
    6:  * This library is free software; you can redistribute it and/or
    7:  * modify it under the terms of the GNU Lesser General Public
    8:  * License as published by the Free Software Foundation; either
    9:  * version 2.1 of the License, or (at your option) any later version.
   10:  *
   11:  * This library is distributed in the hope that it will be useful,
   12:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:  * Lesser General Public License for more details.
   15:  *
   16:  * You should have received a copy of the GNU Lesser General Public
   17:  * License along with this library; if not, see
   18:  * <http://www.gnu.org/licenses/lgpl-2.1.html>
   19:  */
   20: 
   21: #include "cpu-qom.h"
   22: #include "qemu-common.h"
   23: 
   24: 
   25: /* CPUClass::reset() */
   26: static void lm32_cpu_reset(CPUState *s)
   27: {
   28:     LM32CPU *cpu = LM32_CPU(s);
   29:     LM32CPUClass *lcc = LM32_CPU_GET_CLASS(cpu);
   30:     CPULM32State *env = &cpu->env;
   31: 
   32:     if (qemu_loglevel_mask(CPU_LOG_RESET)) {
   33:         qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
   34:         log_cpu_state(env, 0);
   35:     }
   36: 
   37:     lcc->parent_reset(s);
   38: 
   39:     tlb_flush(env, 1);
   40: 
   41:     /* reset cpu state */
   42:     memset(env, 0, offsetof(CPULM32State, breakpoints));
   43: }
   44: 
   45: static void lm32_cpu_initfn(Object *obj)
   46: {
   47:     LM32CPU *cpu = LM32_CPU(obj);
   48:     CPULM32State *env = &cpu->env;
   49: 
   50:     cpu_exec_init(env);
   51: 
   52:     env->flags = 0;
   53: 
   54:     cpu_reset(CPU(cpu));
   55: }
   56: 
   57: static void lm32_cpu_class_init(ObjectClass *oc, void *data)
   58: {
   59:     LM32CPUClass *lcc = LM32_CPU_CLASS(oc);
   60:     CPUClass *cc = CPU_CLASS(oc);
   61: 
   62:     lcc->parent_reset = cc->reset;
   63:     cc->reset = lm32_cpu_reset;
   64: }
   65: 
   66: static const TypeInfo lm32_cpu_type_info = {
   67:     .name = TYPE_LM32_CPU,
   68:     .parent = TYPE_CPU,
   69:     .instance_size = sizeof(LM32CPU),
   70:     .instance_init = lm32_cpu_initfn,
   71:     .abstract = false,
   72:     .class_size = sizeof(LM32CPUClass),
   73:     .class_init = lm32_cpu_class_init,
   74: };
   75: 
   76: static void lm32_cpu_register_types(void)
   77: {
   78:     type_register_static(&lm32_cpu_type_info);
   79: }
   80: 
   81: type_init(lm32_cpu_register_types)

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