target-openrisc/exec.h

   1 /*
   2  * OpenRISC execution defines
   3  *
   4  *  Copyright (c) 2009 Stuart Brady <stuart.brady@gmail.com>
   5  *  Copyright (c) 2009 Laurent Desnogues
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  20  */
  21 #include "config.h"
  22 #include "dyngen-exec.h"
  23
  24 register struct CPUOpenRISCState *env asm(AREG0);
  25
  26 #include "cpu.h"
  27 #include "exec-all.h"
  28
  29 /* XXX: tempo */
  30 static inline void env_to_regs(void)
  31 {
  32 }
  33
  34 /* XXX: tempo */
  35 static inline void regs_to_env(void)
  36 {
  37 }
  38
  39 static inline int cpu_has_work(CPUState *env)
  40 {
  41     return env->interrupt_request & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_TIMER);
  42 }
  43
  44 static inline int cpu_halted(CPUState *env)
  45 {
  46     if (!env->halted) {
  47         return 0;
  48     }
  49     if (cpu_has_work(env)) {
  50         env->halted = 0;
  51         return 0;
  52     }
  53     return EXCP_HALTED;
  54 }
  55
  56 #if !defined(CONFIG_USER_ONLY)
  57 #include "softmmu_exec.h"
  58 #endif