Commit 8f8d364f authored by Blue Swirl's avatar Blue Swirl
Browse files

Merge branch 's390-for-upstream' of git://repo.or.cz/qemu/agraf

* 's390-for-upstream' of git://repo.or.cz/qemu/agraf:
  target-s390x: Update s390x_{tod,cpu}_timer() to use S390CPU
  target-s390x: QOM'ify CPU init
  target-s390x: QOM'ify CPU reset
  target-s390x: QOM'ify CPU
parents a7be9bad b8ba6799
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+1 −0
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@@ -93,6 +93,7 @@ libobj-$(TARGET_SPARC64) += vis_helper.o
libobj-$(CONFIG_NEED_MMU) += mmu.o
libobj-$(TARGET_ARM) += neon_helper.o iwmmxt_helper.o
libobj-$(TARGET_ARM) += cpu.o
libobj-$(TARGET_S390X) += cpu.o
ifeq ($(TARGET_BASE_ARCH), sparc)
libobj-y += fop_helper.o cc_helper.o win_helper.o mmu_helper.o ldst_helper.o
libobj-y += cpu_init.o

target-s390x/cpu-qom.h

0 → 100644
+71 −0
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/*
 * QEMU S/390 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>
 */
#ifndef QEMU_S390_CPU_QOM_H
#define QEMU_S390_CPU_QOM_H

#include "qemu/cpu.h"
#include "cpu.h"

#define TYPE_S390_CPU "s390-cpu"

#define S390_CPU_CLASS(klass) \
    OBJECT_CLASS_CHECK(S390CPUClass, (klass), TYPE_S390_CPU)
#define S390_CPU(obj) \
    OBJECT_CHECK(S390CPU, (obj), TYPE_S390_CPU)
#define S390_CPU_GET_CLASS(obj) \
    OBJECT_GET_CLASS(S390CPUClass, (obj), TYPE_S390_CPU)

/**
 * S390CPUClass:
 * @parent_reset: The parent class' reset handler.
 *
 * An S/390 CPU model.
 */
typedef struct S390CPUClass {
    /*< private >*/
    CPUClass parent_class;
    /*< public >*/

    void (*parent_reset)(CPUState *cpu);
} S390CPUClass;

/**
 * S390CPU:
 * @env: #CPUS390XState.
 *
 * An S/390 CPU.
 */
typedef struct S390CPU {
    /*< private >*/
    CPUState parent_obj;
    /*< public >*/

    CPUS390XState env;
} S390CPU;

static inline S390CPU *s390_env_get_cpu(CPUS390XState *env)
{
    return S390_CPU(container_of(env, S390CPU, env));
}

#define ENV_GET_CPU(e) CPU(s390_env_get_cpu(e))


#endif

target-s390x/cpu.c

0 → 100644
+96 −0
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/*
 * 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-qom.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)
+5 −0
Original line number Diff line number Diff line
@@ -288,6 +288,9 @@ int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw


#ifndef CONFIG_USER_ONLY
void s390x_tod_timer(void *opaque);
void s390x_cpu_timer(void *opaque);

int s390_virtio_hypercall(CPUS390XState *env, uint64_t mem, uint64_t hypercall);

#ifdef CONFIG_KVM
@@ -991,4 +994,6 @@ static inline void cpu_pc_from_tb(CPUS390XState *env, TranslationBlock* tb)
    env->psw.addr = tb->pc;
}

#include "cpu-qom.h"

#endif
+11 −30
Original line number Diff line number Diff line
@@ -51,17 +51,19 @@
#endif

#ifndef CONFIG_USER_ONLY
static void s390x_tod_timer(void *opaque)
void s390x_tod_timer(void *opaque)
{
    CPUS390XState *env = opaque;
    S390CPU *cpu = opaque;
    CPUS390XState *env = &cpu->env;

    env->pending_int |= INTERRUPT_TOD;
    cpu_interrupt(env, CPU_INTERRUPT_HARD);
}

static void s390x_cpu_timer(void *opaque)
void s390x_cpu_timer(void *opaque)
{
    CPUS390XState *env = opaque;
    S390CPU *cpu = opaque;
    CPUS390XState *env = &cpu->env;

    env->pending_int |= INTERRUPT_CPUTIMER;
    cpu_interrupt(env, CPU_INTERRUPT_HARD);
@@ -70,32 +72,19 @@ static void s390x_cpu_timer(void *opaque)

CPUS390XState *cpu_s390x_init(const char *cpu_model)
{
    S390CPU *cpu;
    CPUS390XState *env;
#if !defined (CONFIG_USER_ONLY)
    struct tm tm;
#endif
    static int inited = 0;
    static int cpu_num = 0;

    env = g_malloc0(sizeof(CPUS390XState));
    cpu_exec_init(env);
    cpu = S390_CPU(object_new(TYPE_S390_CPU));
    env = &cpu->env;

    if (tcg_enabled() && !inited) {
        inited = 1;
        s390x_translate_init();
    }

#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, env);
    env->cpu_timer = qemu_new_timer_ns(vm_clock, s390x_cpu_timer, env);
#endif
    env->cpu_model_str = cpu_model;
    env->cpu_num = cpu_num++;
    env->ext_index = -1;
    cpu_state_reset(env);
    qemu_init_vcpu(env);
    return env;
}
@@ -121,15 +110,7 @@ int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw

void cpu_state_reset(CPUS390XState *env)
{
    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
        qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
        log_cpu_state(env, 0);
    }

    memset(env, 0, offsetof(CPUS390XState, breakpoints));
    /* FIXME: reset vector? */
    tlb_flush(env, 1);
    s390_add_running_cpu(env);
    cpu_reset(ENV_GET_CPU(env));
}

#ifndef CONFIG_USER_ONLY