target-microblaze/exec.h

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