text: #ifndef _TOS_CPU_DEF_H_
  #define  _TOS_CPU_DEF_H_
  
  enum CPU_WORD_SIZE {
      CPU_WORD_SIZE_08,
      CPU_WORD_SIZE_16,
      CPU_WORD_SIZE_32,
      CPU_WORD_SIZE_64,
  };
  
  enum CPU_STK_GROWTH {
      CPU_STK_GROWTH_ASCENDING,
      CPU_STK_GROWTH_DESCENDING,
  };
  
  #endif /* _TOS_CPU_DEF_H_ */
  
  