target-alpha/exec.h

   1 /*
   2  *  Alpha emulation cpu run-time definitions for qemu.
   3  *
   4  *  Copyright (c) 2007 Jocelyn Mayer
   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
  20 #if !defined (__ALPHA_EXEC_H__)
  21 #define __ALPHA_EXEC_H__
  22
  23 #include "config.h"
  24
  25 #include "dyngen-exec.h"
  26
  27 #define TARGET_LONG_BITS 64
  28
  29 register struct CPUAlphaState *env asm(AREG0);
  30
  31 #define PARAM(n) ((uint64_t)PARAM##n)
  32 #define SPARAM(n) ((int32_t)PARAM##n)
  33 #define FP_STATUS (env->fp_status)
  34
  35 #include "cpu.h"
  36 #include "exec-all.h"
  37
  38 #if !defined(CONFIG_USER_ONLY)
  39 #include "softmmu_exec.h"
  40 #endif /* !defined(CONFIG_USER_ONLY) */
  41
  42 static always_inline int cpu_has_work(CPUState *env)
  43 {
  44     return (env->interrupt_request & CPU_INTERRUPT_HARD);
  45 }
  46
  47 static always_inline int cpu_halted(CPUState *env) {
  48     if (!env->halted)
  49         return 0;
  50     if (cpu_has_work(env)) {
  51         env->halted = 0;
  52         return 0;
  53     }
  54     return EXCP_HALTED;
  55 }
  56
  57 #endif /* !defined (__ALPHA_EXEC_H__) */