target-arm/exec.h

   1 /*
   2  *  ARM execution defines
   3  *
   4  *  Copyright (c) 2003 Fabrice Bellard
   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., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  19  */
  20 #include "config.h"
  21 #include "dyngen-exec.h"
  22
  23 register struct CPUARMState *env asm(AREG0);
  24 register uint32_t T0 asm(AREG1);
  25 register uint32_t T1 asm(AREG2);
  26
  27 #define M0   env->iwmmxt.val
  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 static inline int cpu_has_work(CPUState *env)
  41 {
  42     return (env->interrupt_request &
  43             (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB));
  44 }
  45
  46 static inline int cpu_halted(CPUState *env) {
  47     if (!env->halted)
  48         return 0;
  49     /* An interrupt wakes the CPU even if the I and F CPSR bits are
  50        set.  We use EXITTB to silently wake CPU without causing an
  51        actual interrupt.  */
  52     if (cpu_has_work(env)) {
  53         env->halted = 0;
  54         return 0;
  55     }
  56     return EXCP_HALTED;
  57 }
  58
  59 #if !defined(CONFIG_USER_ONLY)
  60 #include "softmmu_exec.h"
  61 #endif
  62
  63 void raise_exception(int);