target-sh4/exec.h

   1 /*
   2  *  SH4 emulation
   3  *
   4  *  Copyright (c) 2005 Samuel Tardieu
   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  * Lesser 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, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef _EXEC_SH4_H
  20 #define _EXEC_SH4_H
  21
  22 #include "config.h"
  23 #include "dyngen-exec.h"
  24
  25 register struct CPUSH4State *env asm(AREG0);
  26
  27 #include "cpu.h"
  28 #include "exec-all.h"
  29
  30 static inline int cpu_has_work(CPUState *env)
  31 {
  32     return (env->interrupt_request & CPU_INTERRUPT_HARD);
  33 }
  34
  35 static inline int cpu_halted(CPUState *env) {
  36     if (!env->halted)
  37         return 0;
  38     if (cpu_has_work(env)) {
  39         env->halted = 0;
  40         env->intr_at_halt = 1;
  41         return 0;
  42     }
  43     return EXCP_HALTED;
  44 }
  45
  46 #ifndef CONFIG_USER_ONLY
  47 #include "softmmu_exec.h"
  48 #endif
  49
  50 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
  51 {
  52     env->pc = tb->pc;
  53     env->flags = tb->flags;
  54 }
  55
  56 #endif                          /* _EXEC_SH4_H */