Subversion Repositories openrisc_2011-10-31

/* This file is part of psim (model of the PowerPC(tm) architecture)

   Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>

   This library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Library General Public License

   as published by the Free Software Foundation; either version 2 of

   the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful, but

   WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public

   License along with this library; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

   --

   PowerPC is a trademark of International Business Machines Corporation. */

/* Basic type sizes for the PowerPC */

#ifndef _WORDS_H_

#define _WORDS_H_

/* TYPES:

     natural*   sign determined by host

     signed*    signed type of the given size

     unsigned*  The corresponding insigned type

   SIZES

     *NN        Size based on the number of bits

     *_NN       Size according to the number of bytes

     *_word     Size based on the target architecture's word

                word size (32/64 bits)

     *_cell     Size based on the target architecture's

                IEEE 1275 cell size (almost always 32 bits)

*/

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

/* bit based */

typedef char natural8;

typedef short natural16;

typedef int natural32;

typedef signed char signed8;

typedef signed short signed16;

typedef signed int signed32;

typedef unsigned char unsigned8;

typedef unsigned short unsigned16;

typedef unsigned int unsigned32;

#ifdef __GNUC__

typedef long long natural64;

typedef signed long long signed64;

typedef unsigned long long unsigned64;

#endif

#ifdef _MSC_VER

typedef __int64 natural64;

typedef signed __int64 signed64;

typedef unsigned __int64 unsigned64;

#endif 

/* byte based */

typedef natural8 natural_1;

typedef natural16 natural_2;

typedef natural32 natural_4;

typedef natural64 natural_8;

typedef signed8 signed_1;

typedef signed16 signed_2;

typedef signed32 signed_4;

typedef signed64 signed_8;

typedef unsigned8 unsigned_1;

typedef unsigned16 unsigned_2;

typedef unsigned32 unsigned_4;

typedef unsigned64 unsigned_8;

/* for general work, the following are defined */

/* unsigned: >= 32 bits */

/* signed:   >= 32 bits */

/* long:     >= 32 bits, sign undefined */

/* int:      small indicator */

/* target architecture based */

#if (WITH_TARGET_WORD_BITSIZE == 64)

typedef natural64 natural_word;

typedef unsigned64 unsigned_word;

typedef signed64 signed_word;

#else

typedef natural32 natural_word;

typedef unsigned32 unsigned_word;

typedef signed32 signed_word;

#endif

/* Other instructions */

typedef unsigned32 instruction_word;

/* IEEE 1275 cell size - only support 32bit mode at present */

typedef natural32 natural_cell;

typedef unsigned32 unsigned_cell;

typedef signed32 signed_cell;

#endif /* _WORDS_H_ */