mirror of https://github.com/proxmox/mirror_qemu
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
|
|
* QEMU S/390 CPU
|
|
*
|
|
* Copyright (c) 2009 Ulrich Hecht
|
|
* Copyright (c) 2011 Alexander Graf
|
|
* 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"
|
|
#include "qemu/timer.h"
|
|
|
|
|
|
/* CPUClass::reset() */
|
|
static void s390_cpu_reset(CPUState *s)
|
|
{
|
|
S390CPU *cpu = S390_CPU(s);
|
|
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
|
|
CPUS390XState *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);
|
|
}
|
|
|
|
scc->parent_reset(s);
|
|
|
|
memset(env, 0, offsetof(CPUS390XState, breakpoints));
|
|
/* FIXME: reset vector? */
|
|
tlb_flush(env, 1);
|
|
s390_add_running_cpu(env);
|
|
}
|
|
|
|
static void s390_cpu_initfn(Object *obj)
|
|
{
|
|
S390CPU *cpu = S390_CPU(obj);
|
|
CPUS390XState *env = &cpu->env;
|
|
static int cpu_num = 0;
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
struct tm tm;
|
|
#endif
|
|
|
|
cpu_exec_init(env);
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
qemu_get_timedate(&tm, 0);
|
|
env->tod_offset = TOD_UNIX_EPOCH +
|
|
(time2tod(mktimegm(&tm)) * 1000000000ULL);
|
|
env->tod_basetime = 0;
|
|
env->tod_timer = qemu_new_timer_ns(vm_clock, s390x_tod_timer, cpu);
|
|
env->cpu_timer = qemu_new_timer_ns(vm_clock, s390x_cpu_timer, cpu);
|
|
#endif
|
|
env->cpu_num = cpu_num++;
|
|
env->ext_index = -1;
|
|
|
|
cpu_reset(CPU(cpu));
|
|
}
|
|
|
|
static void s390_cpu_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
S390CPUClass *scc = S390_CPU_CLASS(oc);
|
|
CPUClass *cc = CPU_CLASS(scc);
|
|
|
|
scc->parent_reset = cc->reset;
|
|
cc->reset = s390_cpu_reset;
|
|
}
|
|
|
|
static const TypeInfo s390_cpu_type_info = {
|
|
.name = TYPE_S390_CPU,
|
|
.parent = TYPE_CPU,
|
|
.instance_size = sizeof(S390CPU),
|
|
.instance_init = s390_cpu_initfn,
|
|
.abstract = false,
|
|
.class_size = sizeof(S390CPUClass),
|
|
.class_init = s390_cpu_class_init,
|
|
};
|
|
|
|
static void s390_cpu_register_types(void)
|
|
{
|
|
type_register_static(&s390_cpu_type_info);
|
|
}
|
|
|
|
type_init(s390_cpu_register_types)
|