target-cris/exec.h

   1 /*
   2  *  CRIS execution defines
   3  *
   4  *  Copyright (c) 2007 AXIS Communications AB
   5  *  Written by Edgar E. Iglesias
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser 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  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20 #include "dyngen-exec.h"
  21
  22 register struct CPUCRISState *env asm(AREG0);
  23
  24 #include "cpu.h"
  25 #include "exec-all.h"
  26
  27 #if !defined(CONFIG_USER_ONLY)
  28 #include "softmmu_exec.h"
  29 #endif
  30
  31 static inline int cpu_has_work(CPUState *env)
  32 {
  33     return (env->interrupt_request & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_NMI));
  34 }
  35
  36 static inline int cpu_halted(CPUState *env) {
  37         if (!env->halted)
  38                 return 0;
  39
  40         /* IRQ, NMI and GURU execeptions wakes us up.  */
  41         if (env->interrupt_request
  42             & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_NMI)) {
  43                 env->halted = 0;
  44                 return 0;
  45         }
  46         return EXCP_HALTED;
  47 }
  48
  49 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
  50 {
  51     env->pc = tb->pc;
  52 }
  53