Commit d14d42f1 authored by Peter Maydell's avatar Peter Maydell

target-arm: Add new AArch64CPUInfo base class and subclasses

Create a new AArch64CPU class; all 64-bit capable ARM
CPUs are subclasses of this. (Currently we only support
one, the "any" CPU used by linux-user.)
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Message-id: 1378235544-22290-8-git-send-email-peter.maydell@linaro.org
parent eaed129d
......@@ -5,3 +5,4 @@ obj-$(CONFIG_NO_KVM) += kvm-stub.o
obj-y += translate.o op_helper.o helper.o cpu.o
obj-y += neon_helper.o iwmmxt_helper.o
obj-y += gdbstub.o
obj-$(TARGET_AARCH64) += cpu64.o
......@@ -130,6 +130,18 @@ typedef struct ARMCPU {
uint32_t reset_auxcr;
} ARMCPU;
#define TYPE_AARCH64_CPU "aarch64-cpu"
#define AARCH64_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(AArch64CPUClass, (klass), TYPE_AARCH64_CPU)
#define AARCH64_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(AArch64CPUClass, (obj), TYPE_AArch64_CPU)
typedef struct AArch64CPUClass {
/*< private >*/
ARMCPUClass parent_class;
/*< public >*/
} AArch64CPUClass;
static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
{
return container_of(env, ARMCPU, env);
......
/*
* QEMU AArch64 CPU
*
* Copyright (c) 2013 Linaro Ltd
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>
*/
#include "cpu.h"
#include "qemu-common.h"
#if !defined(CONFIG_USER_ONLY)
#include "hw/loader.h"
#endif
#include "hw/arm/arm.h"
#include "sysemu/sysemu.h"
#include "sysemu/kvm.h"
static inline void set_feature(CPUARMState *env, int feature)
{
env->features |= 1ULL << feature;
}
#ifdef CONFIG_USER_ONLY
static void aarch64_any_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
set_feature(&cpu->env, ARM_FEATURE_V7MP);
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
}
#endif
typedef struct ARMCPUInfo {
const char *name;
void (*initfn)(Object *obj);
void (*class_init)(ObjectClass *oc, void *data);
} ARMCPUInfo;
static const ARMCPUInfo aarch64_cpus[] = {
#ifdef CONFIG_USER_ONLY
{ .name = "any", .initfn = aarch64_any_initfn },
#endif
};
static void aarch64_cpu_initfn(Object *obj)
{
}
static void aarch64_cpu_finalizefn(Object *obj)
{
}
static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
{
}
static void aarch64_cpu_register(const ARMCPUInfo *info)
{
TypeInfo type_info = {
.parent = TYPE_AARCH64_CPU,
.instance_size = sizeof(ARMCPU),
.instance_init = info->initfn,
.class_size = sizeof(ARMCPUClass),
.class_init = info->class_init,
};
type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
type_register(&type_info);
g_free((void *)type_info.name);
}
static const TypeInfo aarch64_cpu_type_info = {
.name = TYPE_AARCH64_CPU,
.parent = TYPE_ARM_CPU,
.instance_size = sizeof(ARMCPU),
.instance_init = aarch64_cpu_initfn,
.instance_finalize = aarch64_cpu_finalizefn,
.abstract = true,
.class_size = sizeof(AArch64CPUClass),
.class_init = aarch64_cpu_class_init,
};
static void aarch64_cpu_register_types(void)
{
int i;
type_register_static(&aarch64_cpu_type_info);
for (i = 0; i < ARRAY_SIZE(aarch64_cpus); i++) {
aarch64_cpu_register(&aarch64_cpus[i]);
}
}
type_init(aarch64_cpu_register_types)
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment