048c87bbac
git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@305 6ac86273-5f31-0410-b378-82cca8765d1b
300 lines
9.6 KiB
C
300 lines
9.6 KiB
C
/****************************************************************/
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/* */
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/* portab.h */
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/* */
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/* DOS-C portability typedefs, etc. */
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/* */
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/* May 1, 1995 */
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/* */
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/* Copyright (c) 1995 */
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/* Pasquale J. Villani */
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/* All Rights Reserved */
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/* */
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/* This file is part of DOS-C. */
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/* */
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/* DOS-C is free software; you can redistribute it and/or */
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/* modify it under the terms of the GNU General Public License */
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/* as published by the Free Software Foundation; either version */
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/* 2, or (at your option) any later version. */
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/* */
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/* DOS-C is distributed in the hope that it will be useful, but */
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/* WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
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/* the GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public */
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/* License along with DOS-C; see the file COPYING. If not, */
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/* write to the Free Software Foundation, 675 Mass Ave, */
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/* Cambridge, MA 02139, USA. */
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/****************************************************************/
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#ifdef MAIN
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#ifdef VERSION_STRINGS
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static char *portab_hRcsId = "$Id$";
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#endif
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#endif
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/*
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* $Log$
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* Revision 1.10 2001/09/23 20:39:44 bartoldeman
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* FAT32 support, misc fixes, INT2F/AH=12 support, drive B: handling
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*
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* Revision 1.9 2001/06/03 14:16:17 bartoldeman
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* BUFFERS tuning and misc bug fixes/cleanups (2024c).
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*
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* Revision 1.8 2001/04/15 03:21:50 bartoldeman
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* See history.txt for the list of fixes.
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*
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* Revision 1.7 2001/03/21 02:56:25 bartoldeman
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* See history.txt for changes. Bug fixes and HMA support are the main ones.
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*
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* Revision 1.5 2001/03/08 21:15:00 bartoldeman
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* Fixes for MK_FP and friends from Tom Ehlert; reduces kernel by 1.5k.
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*
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* Revision 1.4 2000/08/06 04:18:21 jimtabor
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* See history.txt
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*
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* Revision 1.3 2000/05/25 20:56:19 jimtabor
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* Fixed project history
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*
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* Revision 1.2 2000/05/08 04:28:22 jimtabor
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* Update CVS to 2020
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*
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* Revision 1.1.1.1 2000/05/06 19:34:53 jhall1
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* The FreeDOS Kernel. A DOS kernel that aims to be 100% compatible with
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* MS-DOS. Distributed under the GNU GPL.
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*
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* Revision 1.2 1999/08/25 03:17:11 jprice
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* ror4 patches to allow TC 2.01 compile.
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*
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* Revision 1.1.1.1 1999/03/29 15:39:33 jprice
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* New version without IPL.SYS
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*
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* Revision 1.3 1999/02/01 01:40:06 jprice
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* Clean up
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*
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* Revision 1.2 1999/01/22 04:17:40 jprice
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* Formating
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*
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* Revision 1.1.1.1 1999/01/20 05:51:01 jprice
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* Imported sources
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*
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*
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* Rev 1.5 04 Jan 1998 23:14:16 patv
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* Changed Log for strip utility
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*
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* Rev 1.4 29 May 1996 21:25:16 patv
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* bug fixes for v0.91a
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*
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* Rev 1.3 19 Feb 1996 3:15:32 patv
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* Added NLS, int2f and config.sys processing
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*
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* Rev 1.2 01 Sep 1995 17:35:44 patv
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* First GPL release.
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*
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* Rev 1.1 30 Jul 1995 20:43:50 patv
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* Eliminated version strings in ipl
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*
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* Rev 1.0 02 Jul 1995 10:39:50 patv
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* Initial revision.
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*/
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/****************************************************************/
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/* */
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/* Machine dependant portable types. Note that this section is */
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/* used primarily for segmented architectures. Common types and */
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/* types used relating to segmented operations are found here. */
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/* */
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/* Be aware that segmented architectures impose on linear */
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/* architectures because they require special types to be used */
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/* throught the code that must be reduced to empty preprocessor */
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/* replacements in the linear machine. */
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/* */
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/* #ifdef <segmeted machine> */
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/* # define FAR far */
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/* # define NEAR near */
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/* #endif */
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/* */
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/* #ifdef <linear machine> */
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/* # define FAR */
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/* # define NEAR */
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/* #endif */
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/* */
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/****************************************************************/
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/* commandline overflow - removing -DI86 TE*/
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#if defined(__TURBOC__)
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#define I86
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#define CDECL cdecl
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void __int__(int);
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#elif defined (_MSC_VER)
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#define I86
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#define CDECL _cdecl
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#define __int__(intno) asm int intno;
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#if defined(M_I286) /* /G3 doesn't set M_I386, but sets M_I286 TE*/
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#define I386
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#endif
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#elif defined(__WATCOMC__) /* don't know a better way */
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#define I86
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#define __int__(intno) asm int intno;
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#define asm __asm
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#define far __far
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#define CDECL __cdecl
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#if _M_IX86 >= 300
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#define I386
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#endif
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#elif defined (_MYMC68K_COMILER_)
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#define MC68K
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#else
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anyone knows a _portable_ way to create nice errors??
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at least this causes the compiler not to compile :-)
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#endif
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/* functions, that are shared between C and ASM _must_
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have a certain calling standard. These are declared
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as 'ASMCFUNC', and is (and will be ?-) cdecl */
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#define ASMCFUNC cdecl
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#ifdef MC68K
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#define far /* No far type */
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#define interrupt /* No interrupt type */
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#define VOID void
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#define FAR /* linear architecture */
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#define NEAR /* " " */
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#define INRPT interrupt
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#define CONST
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#define REG register
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#define API int /* linear architecture */
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#define NONNATIVE
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#define PARASIZE 4096 /* "paragraph" size */
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#endif
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#ifdef I86
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#define VOID void
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#define FAR far /* segment architecture */
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#define NEAR near /* " " */
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#define INRPT interrupt
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#define CONST const
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#define REG register
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#define API int far pascal /* segment architecture */
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#define NATIVE
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#define PARASIZE 16 /* "paragraph" size */
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#endif
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/* */
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/* Boolean type & definitions of TRUE and FALSE boolean values */
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/* */
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typedef int BOOL;
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#define FALSE (1==0)
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#define TRUE (1==1)
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/* */
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/* Common pointer types */
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/* */
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#ifndef NULL
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#define NULL 0
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#endif
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/* */
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/* Convienence defines */
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/* */
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#define FOREVER while(TRUE)
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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/* */
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/* Common byte, 16 bit and 32 bit types */
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/* */
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typedef char BYTE;
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typedef short WORD;
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typedef long DWORD;
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typedef unsigned char UBYTE;
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typedef unsigned short UWORD;
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typedef unsigned long UDWORD;
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typedef short SHORT;
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typedef unsigned int BITS; /* for use in bit fields(!) */
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typedef int COUNT;
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typedef unsigned int UCOUNT;
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typedef unsigned long ULONG;
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#ifdef WITHFAT32
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typedef unsigned long CLUSTER;
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#else
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typedef unsigned short CLUSTER;
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#endif
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typedef unsigned short UNICODE;
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#define STATIC /* local calls inside module */
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#ifdef UNIX
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typedef char FAR *ADDRESS;
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#else
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typedef void FAR *ADDRESS;
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#endif
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#ifdef STRICT
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typedef signed long LONG;
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#else
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#define LONG long
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#endif
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/* General far pointer macros */
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#ifdef I86
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#ifndef MK_FP
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#define MK_FP(seg,ofs) ((VOID far *)(((ULONG)(seg)<<16)|(UWORD)(ofs)))
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#define FP_SEG(fp) ((UWORD)((ULONG)(VOID FAR *)(fp)>>16))
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#define FP_OFF(fp) ((UWORD)(fp))
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#endif
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#endif
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#ifdef MC68K
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#define MK_FP(seg,ofs) ((VOID *)(&(((BYTE *)(seg))[(ofs)])))
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#define FP_SEG(fp) (0)
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#define FP_OFF(fp) (fp)
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#endif
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/*
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this suppresses the warning
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unreferenced parameter 'x'
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and (hopefully) generates no code
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*/
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#if defined(__TURBOC__)
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#define UNREFERENCED_PARAMETER(x) if (x);
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#else
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#define UNREFERENCED_PARAMETER(x) x;
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#endif
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#ifdef I86 /* commandline overflow - removing /DPROTO TE*/
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#define PROTO
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#endif
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