Archipelago » qemu

/*

 *  PowerPC emulation definitions for qemu.

 *

 *  Copyright (c) 2003-2007 Jocelyn Mayer

 *

 * 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 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/>.

 */

#if !defined (__PPC_H__)

#define __PPC_H__

#include "config.h"

#include "dyngen-exec.h"

#include "cpu.h"

#include "exec-all.h"

/* Precise emulation is needed to correctly emulate exception flags */

#define USE_PRECISE_EMULATION 1

register struct CPUPPCState *env asm(AREG0);

#if !defined(CONFIG_USER_ONLY)

#include "softmmu_exec.h"

#endif /* !defined(CONFIG_USER_ONLY) */

static inline int cpu_has_work(CPUState *env)

{

    return (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD));

}

static inline int cpu_halted(CPUState *env)

{

    if (!env->halted)

        return 0;

    if (cpu_has_work(env)) {

        env->halted = 0;

        return 0;

    }

    return EXCP_HALTED;

}

static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)

{

    env->nip = tb->pc;

}

#endif /* !defined (__PPC_H__) */