target-m68k/exec.h

   1 /*
   2  *  m68k execution defines
   3  *
   4  *  Copyright (c) 2005-2006 CodeSourcery
   5  *  Written by Paul Brook
   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, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  20  */
  21 #include "dyngen-exec.h"
  22
  23 register struct CPUM68KState *env asm(AREG0);
  24 /* This is only used for tb lookup.  */
  25 register uint32_t T0 asm(AREG1);
  26 /* ??? We don't use T1, but common code expects it to exist  */
  27 #define T1 env->t1
  28
  29 #include "cpu.h"
  30 #include "exec-all.h"
  31
  32 static inline void env_to_regs(void)
  33 {
  34 }
  35
  36 static inline void regs_to_env(void)
  37 {
  38 }
  39
  40 #if !defined(CONFIG_USER_ONLY)
  41 #include "softmmu_exec.h"
  42 #endif
  43
  44 static inline int cpu_has_work(CPUState *env)
  45 {
  46     return (env->interrupt_request & (CPU_INTERRUPT_HARD));
  47 }
  48
  49 static inline int cpu_halted(CPUState *env) {
  50     if (!env->halted)
  51         return 0;
  52     if (cpu_has_work(env)) {
  53         env->halted = 0;
  54         return 0;
  55     }
  56     return EXCP_HALTED;
  57 }