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, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #ifndef _EXEC_SH4_H
  21 #define _EXEC_SH4_H
  22
  23 #include "config.h"
  24 #include "dyngen-exec.h"
  25
  26 register struct CPUSH4State *env asm(AREG0);
  27
  28 #include "cpu.h"
  29 #include "exec-all.h"
  30
  31 static inline int cpu_halted(CPUState *env) {
  32     if (!env->halted)
  33         return 0;
  34     if (env->interrupt_request & CPU_INTERRUPT_HARD) {
  35         env->halted = 0;
  36         env->intr_at_halt = 1;
  37         return 0;
  38     }
  39     return EXCP_HALTED;
  40 }
  41
  42 #ifndef CONFIG_USER_ONLY
  43 #include "softmmu_exec.h"
  44 #endif
  45
  46 #define RETURN() __asm__ __volatile__("")
  47
  48 static inline void regs_to_env(void)
  49 {
  50     /* XXXXX */
  51 }
  52
  53 static inline void env_to_regs(void)
  54 {
  55     /* XXXXX */
  56 }
  57
  58 int cpu_sh4_handle_mmu_fault(CPUState * env, target_ulong address, int rw,
  59                              int mmu_idx, int is_softmmu);
  60 void cpu_load_tlb(CPUState * env);
  61
  62 int find_itlb_entry(CPUState * env, target_ulong address,
  63                     int use_asid, int update);
  64 int find_utlb_entry(CPUState * env, target_ulong address, int use_asid);
  65
  66 void do_interrupt(CPUState * env);
  67
  68 void cpu_loop_exit(void);
  69
  70 #endif                          /* _EXEC_SH4_H */