fadf982584
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>
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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* QEMU Motorola 68k CPU
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*
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* Copyright (c) 2012 SUSE LINUX Products GmbH
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see
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* <http://www.gnu.org/licenses/lgpl-2.1.html>
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*/
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#ifndef QEMU_M68K_CPU_QOM_H
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#define QEMU_M68K_CPU_QOM_H
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#include "qom/cpu.h"
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#define TYPE_M68K_CPU "m68k-cpu"
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#define M68K_CPU_CLASS(klass) \
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OBJECT_CLASS_CHECK(M68kCPUClass, (klass), TYPE_M68K_CPU)
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#define M68K_CPU(obj) \
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OBJECT_CHECK(M68kCPU, (obj), TYPE_M68K_CPU)
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#define M68K_CPU_GET_CLASS(obj) \
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OBJECT_GET_CLASS(M68kCPUClass, (obj), TYPE_M68K_CPU)
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/**
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* M68kCPUClass:
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* @parent_realize: The parent class' realize handler.
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* @parent_reset: The parent class' reset handler.
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*
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* A Motorola 68k CPU model.
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*/
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typedef struct M68kCPUClass {
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/*< private >*/
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CPUClass parent_class;
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/*< public >*/
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DeviceRealize parent_realize;
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void (*parent_reset)(CPUState *cpu);
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} M68kCPUClass;
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/**
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* M68kCPU:
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* @env: #CPUM68KState
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*
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* A Motorola 68k CPU.
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*/
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typedef struct M68kCPU {
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/*< private >*/
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CPUState parent_obj;
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/*< public >*/
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CPUM68KState env;
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} M68kCPU;
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static inline M68kCPU *m68k_env_get_cpu(CPUM68KState *env)
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{
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return M68K_CPU(container_of(env, M68kCPU, env));
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}
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#define ENV_GET_CPU(e) CPU(m68k_env_get_cpu(e))
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#define ENV_OFFSET offsetof(M68kCPU, env)
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#endif
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