Archipelago » qemu

/*

 *  S/390 execution defines

 *

 *  Copyright (c) 2009 Ulrich Hecht

 *

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA

 */

#include "dyngen-exec.h"

register struct CPUS390XState *env asm(AREG0);

#include "cpu.h"

#include "exec-all.h"

static inline int cpu_has_work(CPUState *env)

{

    return env->interrupt_request & CPU_INTERRUPT_HARD; // guess

}

static inline void regs_to_env(void)

{

}

static inline void env_to_regs(void)

{

}

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;

}