qemu/target-alpha/cpu-qom.h
Andreas Färber fadf982584 cpu: Introduce ENV_OFFSET macros
Introduce ENV_OFFSET macros which can be used in non-target-specific
code that needs to generate TCG instructions which reference CPUState
fields given the cpu_env register that TCG targets set up with a
pointer to the CPUArchState struct.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-03-03 14:28:28 +00:00

78 lines
2.0 KiB
C

/*
* QEMU Alpha 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_ALPHA_CPU_QOM_H
#define QEMU_ALPHA_CPU_QOM_H
#include "qom/cpu.h"
#include "cpu.h"
#define TYPE_ALPHA_CPU "alpha-cpu"
#define ALPHA_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(AlphaCPUClass, (klass), TYPE_ALPHA_CPU)
#define ALPHA_CPU(obj) \
OBJECT_CHECK(AlphaCPU, (obj), TYPE_ALPHA_CPU)
#define ALPHA_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(AlphaCPUClass, (obj), TYPE_ALPHA_CPU)
/**
* AlphaCPUClass:
* @parent_realize: The parent class' realize handler.
* @parent_reset: The parent class' reset handler.
*
* An Alpha CPU model.
*/
typedef struct AlphaCPUClass {
/*< private >*/
CPUClass parent_class;
/*< public >*/
DeviceRealize parent_realize;
void (*parent_reset)(CPUState *cpu);
} AlphaCPUClass;
/**
* AlphaCPU:
* @env: #CPUAlphaState
*
* An Alpha CPU.
*/
typedef struct AlphaCPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUAlphaState env;
/* This alarm doesn't exist in real hardware; we wish it did. */
struct QEMUTimer *alarm_timer;
} AlphaCPU;
static inline AlphaCPU *alpha_env_get_cpu(CPUAlphaState *env)
{
return ALPHA_CPU(container_of(env, AlphaCPU, env));
}
#define ENV_GET_CPU(e) CPU(alpha_env_get_cpu(e))
#define ENV_OFFSET offsetof(AlphaCPU, env)
#endif