drivers/staging/ced1401/machine.h

   1 /*****************************************************************************
   2 **
   3 ** machine.h
   4 **
   5 ** Copyright (c) Cambridge Electronic Design Limited 1991,1992,2010
   6 **
   7 ** This program is free software; you can redistribute it and/or
   8 ** modify it under the terms of the GNU General Public License
   9 ** as published by the Free Software Foundation; either version 2
  10 ** of the License, or (at your option) any later version.
  11 **
  12 ** This program is distributed in the hope that it will be useful,
  13 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ** GNU General Public License for more details.
  16 **
  17 ** You should have received a copy of the GNU General Public License
  18 ** along with this program; if not, write to the Free Software
  19 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 **
  21 ** Contact CED: Cambridge Electronic Design Limited, Science Park, Milton Road
  22 **              Cambridge, CB6 0FE.
  23 **              www.ced.co.uk
  24 **              greg@ced.co.uk
  25 **
  26 ** This file is included at the start of 'C' or 'C++' source file to define
  27 ** things for cross-platform/compiler interoperability. This used to deal with
  28 ** MSDOS/16-bit stuff, but this was all removed in Decemeber 2010. There are
  29 ** three things to consider: Windows, LINUX, mac OSX (BSD Unix) and 32 vs 64
  30 ** bit. At the time of writing (DEC 2010) there is a consensus on the following
  31 ** and their unsigned equivalents:
  32 **
  33 ** type       bits
  34 ** char         8
  35 ** short       16
  36 ** int         32
  37 ** long long   64
  38 **
  39 ** long is a problem as it is always 64 bits on linux/unix and is always 32 bits
  40 ** on windows.
  41 ** On windows, we define _IS_WINDOWS_ and one of WIN32 or WIN64.
  42 ** On linux we define LINUX
  43 ** On Max OSX we define MACOSX
  44 **
  45 */
  46
  47 #ifndef __MACHINE_H__
  48 #define __MACHINE_H__
  49 #ifndef __KERNEL__
  50 #include <float.h>
  51 #include <limits.h>
  52 #endif
  53
  54 /*
  55 ** The initial section is to identify the operating system
  56 */
  57 #if (defined(__linux__) || defined(_linux) || defined(__linux)) && !defined(LINUX)
  58 #define LINUX 1
  59 #endif
  60
  61 #if (defined(__WIN32__) || defined(_WIN32)) && !defined(WIN32)
  62 #define WIN32 1
  63 #endif
  64
  65 #if defined(__APPLE__)
  66 #define MACOSX
  67 #endif
  68
  69 #if defined(_WIN64)
  70 #undef WIN32
  71 #undef WIN64
  72 #define WIN64 1
  73 #endif
  74
  75 #if defined(WIN32) || defined(WIN64)
  76 #define _IS_WINDOWS_ 1
  77 #endif
  78
  79 #if defined(LINUX) || defined(MAXOSX)
  80         #define FAR
  81
  82         typedef int BOOL;       /*  To match Windows */
  83         typedef unsigned char  BYTE;
  84         #define __packed __attribute__((packed))
  85         #define HIWORD(x) (unsigned short)(((x)>>16) & 0xffff)
  86         #define LOWORD(x) (unsigned short)((x) & 0xffff)
  87 #endif
  88
  89 #ifdef _IS_WINDOWS_
  90 #include <windows.h>
  91 #define __packed
  92 #endif
  93
  94 /*
  95 ** Sort out the DllExport and DllImport macros. The GCC compiler has its own
  96 ** syntax for this, though it also supports the MS specific __declspec() as
  97 ** a synonym.
  98 */
  99 #ifdef GNUC
 100         #define DllExport __attribute__((dllexport))
 101         #define DllImport __attribute__((dllimport))
 102 #endif
 103
 104 #ifndef DllExport
 105 #ifdef _IS_WINDOWS_
 106         #define DllExport __declspec(dllexport)
 107         #define DllImport __declspec(dllimport)
 108 #else
 109         #define DllExport
 110         #define DllImport
 111 #endif
 112 #endif /* _IS_WINDOWS_ */
 113
 114 #ifndef TRUE
 115    #define TRUE 1
 116    #define FALSE 0
 117 #endif
 118
 119 #endif