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, see <http://www.gnu.org/licenses/>.
  19  */
  20 #include "dyngen-exec.h"
  21
  22 register struct CPUM68KState *env asm(AREG0);
  23 /* This is only used for tb lookup.  */
  24 register uint32_t T0 asm(AREG1);
  25 /* ??? We don't use T1, but common code expects it to exist  */
  26 #define T1 env->t1
  27
  28 #include "cpu.h"
  29 #include "exec-all.h"
  30
  31 static inline void env_to_regs(void)
  32 {
  33 }
  34
  35 static inline void regs_to_env(void)
  36 {
  37 }
  38
  39 #if !defined(CONFIG_USER_ONLY)
  40 #include "softmmu_exec.h"
  41 #endif
  42
  43 static inline int cpu_has_work(CPUState *env)
  44 {
  45     return (env->interrupt_request & (CPU_INTERRUPT_HARD));
  46 }
  47
  48 static inline int cpu_halted(CPUState *env) {
  49     if (!env->halted)
  50         return 0;
  51     if (cpu_has_work(env)) {
  52         env->halted = 0;
  53         return 0;
  54     }
  55     return EXCP_HALTED;
  56 }