LXR qemu/target-arm/cpu64.c

   1/*
   2 * QEMU AArch64 CPU
   3 *
   4 * Copyright (c) 2013 Linaro Ltd
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * as published by the Free Software Foundation; either version 2
   9 * of the License, or (at your option) any later version.
  10 *
  11 * This program 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
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, see
  18 * <http://www.gnu.org/licenses/gpl-2.0.html>
  19 */
  20
  21#include "cpu.h"
  22#include "qemu-common.h"
  23#if !defined(CONFIG_USER_ONLY)
  24#include "hw/loader.h"
  25#endif
  26#include "hw/arm/arm.h"
  27#include "sysemu/sysemu.h"
  28#include "sysemu/kvm.h"
  29
  30static inline void set_feature(CPUARMState *env, int feature)
  31{
  32    env->features |= 1ULL << feature;
  33}
  34
  35#ifdef CONFIG_USER_ONLY
  36static void aarch64_any_initfn(Object *obj)
  37{
  38    ARMCPU *cpu = ARM_CPU(obj);
  39
  40    set_feature(&cpu->env, ARM_FEATURE_V8);
  41    set_feature(&cpu->env, ARM_FEATURE_VFP4);
  42    set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
  43    set_feature(&cpu->env, ARM_FEATURE_NEON);
  44    set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
  45    set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
  46    set_feature(&cpu->env, ARM_FEATURE_V7MP);
  47    set_feature(&cpu->env, ARM_FEATURE_AARCH64);
  48}
  49#endif
  50
  51typedef struct ARMCPUInfo {
  52    const char *name;
  53    void (*initfn)(Object *obj);
  54    void (*class_init)(ObjectClass *oc, void *data);
  55} ARMCPUInfo;
  56
  57static const ARMCPUInfo aarch64_cpus[] = {
  58#ifdef CONFIG_USER_ONLY
  59    { .name = "any",         .initfn = aarch64_any_initfn },
  60#endif
  61};
  62
  63static void aarch64_cpu_initfn(Object *obj)
  64{
  65}
  66
  67static void aarch64_cpu_finalizefn(Object *obj)
  68{
  69}
  70
  71static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
  72{
  73    CPUClass *cc = CPU_CLASS(oc);
  74
  75    cc->dump_state = aarch64_cpu_dump_state;
  76    cc->gdb_read_register = aarch64_cpu_gdb_read_register;
  77    cc->gdb_write_register = aarch64_cpu_gdb_write_register;
  78    cc->gdb_num_core_regs = 34;
  79    cc->gdb_core_xml_file = "aarch64-core.xml";
  80}
  81
  82static void aarch64_cpu_register(const ARMCPUInfo *info)
  83{
  84    TypeInfo type_info = {
  85        .parent = TYPE_AARCH64_CPU,
  86        .instance_size = sizeof(ARMCPU),
  87        .instance_init = info->initfn,
  88        .class_size = sizeof(ARMCPUClass),
  89        .class_init = info->class_init,
  90    };
  91
  92    type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
  93    type_register(&type_info);
  94    g_free((void *)type_info.name);
  95}
  96
  97static const TypeInfo aarch64_cpu_type_info = {
  98    .name = TYPE_AARCH64_CPU,
  99    .parent = TYPE_ARM_CPU,
 100    .instance_size = sizeof(ARMCPU),
 101    .instance_init = aarch64_cpu_initfn,
 102    .instance_finalize = aarch64_cpu_finalizefn,
 103    .abstract = true,
 104    .class_size = sizeof(AArch64CPUClass),
 105    .class_init = aarch64_cpu_class_init,
 106};
 107
 108static void aarch64_cpu_register_types(void)
 109{
 110    int i;
 111
 112    type_register_static(&aarch64_cpu_type_info);
 113    for (i = 0; i < ARRAY_SIZE(aarch64_cpus); i++) {
 114        aarch64_cpu_register(&aarch64_cpus[i]);
 115    }
 116}
 117
 118type_init(aarch64_cpu_register_types)
 119