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/*
* QEMU LatticeMico32 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 lm32_cpu_reset(CPUState *s)
{
LM32CPU *cpu = LM32_CPU(s);
LM32CPUClass *lcc = LM32_CPU_GET_CLASS(cpu);
CPULM32State *env = &cpu->env;
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
qemu_log("CPU Reset (CPU %d)\n", s->cpu_index);
log_cpu_state(env, 0);
}
lcc->parent_reset(s);
/* reset cpu state */
memset(env, 0, offsetof(CPULM32State, breakpoints));
tlb_flush(env, 1);
}
static void lm32_cpu_realizefn(DeviceState *dev, Error **errp)
{
LM32CPU *cpu = LM32_CPU(dev);
LM32CPUClass *lcc = LM32_CPU_GET_CLASS(dev);
cpu_reset(CPU(cpu));
qemu_init_vcpu(&cpu->env);
lcc->parent_realize(dev, errp);
}
static void lm32_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
LM32CPU *cpu = LM32_CPU(obj);
CPULM32State *env = &cpu->env;
static bool tcg_initialized;
cs->env_ptr = env;
cpu_exec_init(env);
env->flags = 0;
if (tcg_enabled() && !tcg_initialized) {
tcg_initialized = true;
lm32_translate_init();
}
}
static void lm32_cpu_class_init(ObjectClass *oc, void *data)
{
LM32CPUClass *lcc = LM32_CPU_CLASS(oc);
CPUClass *cc = CPU_CLASS(oc);
DeviceClass *dc = DEVICE_CLASS(oc);
lcc->parent_realize = dc->realize;
dc->realize = lm32_cpu_realizefn;
lcc->parent_reset = cc->reset;
cc->reset = lm32_cpu_reset;
cc->do_interrupt = lm32_cpu_do_interrupt;
cpu_class_set_vmsd(cc, &vmstate_lm32_cpu);
}
static const TypeInfo lm32_cpu_type_info = {
.name = TYPE_LM32_CPU,
.parent = TYPE_CPU,
.instance_size = sizeof(LM32CPU),
.instance_init = lm32_cpu_initfn,
.abstract = false,
.class_size = sizeof(LM32CPUClass),
.class_init = lm32_cpu_class_init,
};
static void lm32_cpu_register_types(void)
{
type_register_static(&lm32_cpu_type_info);
}
type_init(lm32_cpu_register_types)
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