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, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include "config.h"
  20 #include "dyngen-exec.h"
  21
  22 register struct CPUARMState *env asm(AREG0);
  23
  24 #define M0   env->iwmmxt.val
  25
  26 #include "cpu.h"
  27 #include "exec-all.h"
  28
  29 static inline int cpu_has_work(CPUState *env)
  30 {
  31     return (env->interrupt_request &
  32             (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB));
  33 }
  34
  35 static inline int cpu_halted(CPUState *env) {
  36     if (!env->halted)
  37         return 0;
  38     /* An interrupt wakes the CPU even if the I and F CPSR bits are
  39        set.  We use EXITTB to silently wake CPU without causing an
  40        actual interrupt.  */
  41     if (cpu_has_work(env)) {
  42         env->halted = 0;
  43         return 0;
  44     }
  45     return EXCP_HALTED;
  46 }
  47
  48 #if !defined(CONFIG_USER_ONLY)
  49 #include "softmmu_exec.h"
  50 #endif
  51
  52 void raise_exception(int);