types.h

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00001 /*
00002  * Copyright (C) 2001-2005 by egnite Software GmbH. All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the copyright holders nor the names of
00014  *    contributors may be used to endorse or promote products derived
00015  *    from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00018  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00019  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00020  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00021  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00022  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00023  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00024  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00025  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00026  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00027  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00028  * SUCH DAMAGE.
00029  *
00030  * For additional information see http://www.ethernut.de/
00031  *
00032  * -
00033  * Portions Copyright (C) 2000 David J. Hudson <dave@humbug.demon.co.uk>
00034  *
00035  * This file is distributed in the hope that it will be useful, but WITHOUT
00036  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00037  * FITNESS FOR A PARTICULAR PURPOSE.
00038  *
00039  * You can redistribute this file and/or modify it under the terms of the GNU
00040  * General Public License (GPL) as published by the Free Software Foundation;
00041  * either version 2 of the License, or (at your discretion) any later version.
00042  * See the accompanying file "copying-gpl.txt" for more details.
00043  *
00044  * As a special exception to the GPL, permission is granted for additional
00045  * uses of the text contained in this file.  See the accompanying file
00046  * "copying-liquorice.txt" for details.
00047  * -
00048  * Portions Copyright (c) 1983, 1993 by
00049  *  The Regents of the University of California.  All rights reserved.
00050  *
00051  * Redistribution and use in source and binary forms, with or without
00052  * modification, are permitted provided that the following conditions
00053  * are met:
00054  * 1. Redistributions of source code must retain the above copyright
00055  *    notice, this list of conditions and the following disclaimer.
00056  * 2. Redistributions in binary form must reproduce the above copyright
00057  *    notice, this list of conditions and the following disclaimer in the
00058  *    documentation and/or other materials provided with the distribution.
00059  * 3. Neither the name of the University nor the names of its contributors
00060  *    may be used to endorse or promote products derived from this software
00061  *    without specific prior written permission.
00062  *
00063  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00064  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00065  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00066  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00067  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00068  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00069  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00070  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00071  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00072  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00073  * SUCH DAMAGE.
00074  */
00075 
00076 /*
00077  * $Log: types.h,v $
00078  * Revision 1.13  2008/08/11 07:00:28  haraldkipp
00079  * BSD types replaced by stdint types (feature request #1282721).
00080  *
00081  * Revision 1.12  2006/10/08 16:48:22  haraldkipp
00082  * Documentation fixed
00083  *
00084  * Revision 1.11  2006/03/27 09:34:05  freckle
00085  * added u_longlong and longlong for emulation
00086  *
00087  * Revision 1.10  2006/03/02 20:04:11  haraldkipp
00088  * ICCARM doesn't know __PTRDIFF_TYPE__.
00089  *
00090  * Revision 1.9  2005/07/26 15:49:59  haraldkipp
00091  * Cygwin support added.
00092  *
00093  * Revision 1.8  2005/04/08 12:46:46  freckle
00094  * removed htons, htonl, ntohs, ntohs, ntohl,  from unix emulation as
00095  * provided by system headers somewhere
00096  *
00097  * Revision 1.7  2005/02/10 07:06:48  hwmaier
00098  * Changes to incorporate support for AT90CAN128 CPU
00099  *
00100  * Revision 1.6  2004/06/08 15:04:24  freckle
00101  * changed #include "types_orig.h" to <sys/types_orig.h>
00102  * to allow this file to be in $MODDIR. Relevant only for *nix emulation
00103  *
00104  * Revision 1.5  2004/04/20 07:58:32  drsung
00105  * Use __GNUC__ instead of __GCC__
00106  *
00107  * Revision 1.4  2004/04/07 12:13:57  haraldkipp
00108  * Matthias Ringwald's *nix emulation added
00109  *
00110  * Revision 1.3  2004/03/18 15:40:55  haraldkipp
00111  * ICCAVR failed to compile
00112  *
00113  * Revision 1.2  2004/03/16 16:48:44  haraldkipp
00114  * Added Jan Dubiec's H8/300 port.
00115  *
00116  * Revision 1.1.1.1  2003/05/09 14:41:23  haraldkipp
00117  * Initial using 3.2.1
00118  *
00119  * Revision 1.8  2003/02/04 18:00:54  harald
00120  * Version 3 released
00121  *
00122  * Revision 1.7  2002/08/08 17:25:12  harald
00123  * *** empty log message ***
00124  *
00125  * Revision 1.6  2002/06/26 17:29:30  harald
00126  * First pre-release with 2.4 stack
00127  *
00128  */
00129 
00130 #ifndef _SYS_TYPES_H_
00131 
00132 #ifndef _SYS_VIRTUAL_TYPES_H_
00133 #define _SYS_VIRTUAL_TYPES_H_
00134 
00135 
00136 #if defined(__linux__) || defined(__APPLE__) || defined(__CYGWIN__)
00137 //  on an emulation platform, we need to have both
00138 //              a) the native types headers and libs and
00139 #include <sys/types_orig.h>
00140 //              b) the additional nut os header and implementation
00141 
00143 typedef unsigned long long u_longlong;
00144 typedef long long longlong;
00145 
00146 #endif
00147 
00148 #ifndef _SYS_TYPES_H
00149 #define _SYS_TYPES_H_
00150 #endif
00151 
00157 #ifdef __cplusplus
00158 extern "C" {
00159 #endif
00160 
00161 #include <compiler.h>
00162 
00163 
00168 
00169 #if !defined(__linux__) && !defined(__APPLE__) && !defined(__CYGWIN__)
00170 
00176     typedef unsigned char u_char;
00177 
00179     typedef unsigned short u_short;
00180 
00182 /* Warning: size is highly architecture/compiler dependant! */
00183     typedef unsigned int u_int;
00184 
00186     typedef unsigned long u_long;
00187 
00189     typedef unsigned long long u_longlong;
00190 
00191 #endif                          /* unix emulation */
00192 
00194     typedef void *HANDLE;
00195 
00206 #if defined(__AVR__)
00207     typedef unsigned char ureg_t;
00208 #elif defined(__arm__)
00209     typedef unsigned short ureg_t;
00210 #elif defined(__H8300__) || defined(__H8300H__) || defined(__H8300S__)
00211     typedef unsigned short ureg_t;
00212 #elif defined(__linux__) || defined(__APPLE__) || defined(__CYGWIN__)
00213     typedef unsigned short ureg_t;
00214 #elif defined(__m68k__)
00215     typedef unsigned short ureg_t;
00216 #endif
00217 
00223 #if defined(__AVR__)
00224     typedef unsigned char reg_t;
00225 #elif defined(__arm__)
00226     typedef unsigned short reg_t;
00227 #elif defined(__H8300__) || defined(__H8300H__) || defined(__H8300S__)
00228     typedef unsigned short reg_t;
00229 #elif defined(__linux__) || defined(__APPLE__) || defined(__CYGWIN__)
00230     typedef unsigned short reg_t;
00231 #elif defined(__m68k__)
00232     typedef unsigned short reg_t;
00233 #endif
00234 
00241 #if defined(__AVR__)
00242     typedef unsigned short uptr_t;
00243 #elif defined(__GNUC__)
00244 /*
00245  * For remaining MCUs GCC is assumed where __PTRDIFF_TYPE__ macro is defined
00246  */
00247     typedef unsigned __PTRDIFF_TYPE__ uptr_t;
00248 #else
00249     typedef unsigned int uptr_t;
00250 #endif
00251 
00252 #define __byte_swap2(val)           \
00253     ((((val) & 0xff) << 8) |        \
00254      (((val) & 0xff00) >> 8))
00255 
00256 #define __byte_swap4(val)           \
00257     ((((val) & 0xff) << 24) |       \
00258      (((val) & 0xff00) << 8) |      \
00259      (((val) & 0xff0000) >> 8) |    \
00260      (((val) & 0xff000000) >> 24))
00261 
00262 #if defined(__GNUC__) && defined(__AVR__)
00263 /*
00264  * Conversion of 16 bit value to network order.
00265  */
00266 #undef __byte_swap2
00267     static inline uint16_t __byte_swap2(uint16_t val) {
00268         asm volatile ("mov __tmp_reg__, %A0\n\t" "mov %A0, %B0\n\t" "mov %B0, __tmp_reg__\n\t":"=r" (val)
00269                       :"0"(val)
00270             );
00271          return val;
00272     }
00273 /*
00274  * Conversion of 32 bit value to network order.
00275  */
00276 #undef __byte_swap4
00277     static inline uint32_t __byte_swap4(uint32_t val) {
00278         asm volatile ("mov __tmp_reg__, %A0\n\t"
00279                       "mov %A0, %D0\n\t"
00280                       "mov %D0, __tmp_reg__\n\t" "mov __tmp_reg__, %B0\n\t" "mov %B0, %C0\n\t" "mov %C0, __tmp_reg__\n\t":"=r" (val)
00281                       :"0"(val)
00282             );
00283         return val;
00284     }
00285 #endif                          /* #if defined(__GCC__) && defined(__AVR__) */
00286 
00287 
00288 #if !defined(__linux__) && !defined(__APPLE__) && !defined(__CYGWIN__) /* provided by system libraries */
00289 
00293 #ifndef __BIG_ENDIAN__
00294 #define htons(x) __byte_swap2(x)
00295 #else
00296 #define htons(x) (x)
00297 #endif
00298     
00302 #ifndef __BIG_ENDIAN__
00303 #define htonl(x) __byte_swap4(x)
00304 #else
00305 #define htonl(x) (x)
00306 #endif
00307 
00311 #ifndef __BIG_ENDIAN__
00312 #define ntohs(x) __byte_swap2(x)
00313 #else
00314 #define ntohs(x) (x)
00315 #endif
00316 
00320 #ifndef __BIG_ENDIAN__
00321 #define ntohl(x) __byte_swap4(x)
00322 #else
00323 #define ntohl(x) (x)
00324 #endif
00325 
00326 #endif /* network to host byte conversion */
00327 
00330 #ifdef __cplusplus
00331 }
00332 #endif
00333 
00334 #endif                          /* #ifndef _SYS_VIRTUAL_TYPES_H_ */
00335 
00336 #endif                          /* #ifndef _SYS_TYPES_H_ */

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