6aace6ea7c
git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@58 6ac86273-5f31-0410-b378-82cca8765d1b
125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/****************************************************************/
|
|
/* */
|
|
/* mcb.h */
|
|
/* */
|
|
/* Memory Control Block data structures and declarations */
|
|
/* */
|
|
/* November 23, 1991 */
|
|
/* */
|
|
/* Copyright (c) 1995 */
|
|
/* Pasquale J. Villani */
|
|
/* All Rights Reserved */
|
|
/* */
|
|
/* This file is part of DOS-C. */
|
|
/* */
|
|
/* DOS-C is free software; you can redistribute it and/or */
|
|
/* modify it under the terms of the GNU General Public License */
|
|
/* as published by the Free Software Foundation; either version */
|
|
/* 2, or (at your option) any later version. */
|
|
/* */
|
|
/* DOS-C 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 General Public License for more details. */
|
|
/* */
|
|
/* You should have received a copy of the GNU General Public */
|
|
/* License along with DOS-C; see the file COPYING. If not, */
|
|
/* write to the Free Software Foundation, 675 Mass Ave, */
|
|
/* Cambridge, MA 02139, USA. */
|
|
/****************************************************************/
|
|
|
|
#ifdef MAIN
|
|
#ifdef VERSION_STRINGS
|
|
static BYTE *mcb_hRcsId = "$Id$";
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* $Log$
|
|
* Revision 1.6 2000/08/06 04:27:07 jimtabor
|
|
* See history.txt
|
|
*
|
|
* Revision 1.5 2000/08/06 04:18:21 jimtabor
|
|
* See history.txt
|
|
*
|
|
* Revision 1.4 2000/06/21 18:16:46 jimtabor
|
|
* Add UMB code, patch, and code fixes
|
|
*
|
|
* Revision 1.3 2000/05/25 20:56:19 jimtabor
|
|
* Fixed project history
|
|
*
|
|
* Revision 1.2 2000/05/08 04:28:22 jimtabor
|
|
* Update CVS to 2020
|
|
*
|
|
* Revision 1.1.1.1 2000/05/06 19:34:53 jhall1
|
|
* The FreeDOS Kernel. A DOS kernel that aims to be 100% compatible with
|
|
* MS-DOS. Distributed under the GNU GPL.
|
|
*
|
|
* Revision 1.2 2000/03/09 06:06:38 kernel
|
|
* 2017f updates by James Tabor
|
|
*
|
|
* Revision 1.1.1.1 1999/03/29 15:39:31 jprice
|
|
* New version without IPL.SYS
|
|
*
|
|
* Revision 1.3 1999/02/01 01:40:06 jprice
|
|
* Clean up
|
|
*
|
|
* Revision 1.2 1999/01/22 04:17:40 jprice
|
|
* Formating
|
|
*
|
|
* Revision 1.1.1.1 1999/01/20 05:51:01 jprice
|
|
* Imported sources
|
|
*
|
|
*
|
|
* Rev 1.5 04 Jan 1998 23:14:18 patv
|
|
* Changed Log for strip utility
|
|
*
|
|
* Rev 1.4 29 May 1996 21:25:16 patv
|
|
* bug fixes for v0.91a
|
|
*
|
|
* Rev 1.3 19 Feb 1996 3:15:32 patv
|
|
* Added NLS, int2f and config.sys processing
|
|
*
|
|
* Rev 1.2 01 Sep 1995 17:35:42 patv
|
|
* First GPL release.
|
|
*
|
|
* Rev 1.1 30 Jul 1995 20:43:50 patv
|
|
* Eliminated version strings in ipl
|
|
*
|
|
* Rev 1.0 02 Jul 1995 10:39:46 patv
|
|
* Initial revision.
|
|
*/
|
|
|
|
#define LARGEST -1
|
|
#define FIRST_FIT 0
|
|
#define BEST_FIT 1
|
|
#define LAST_FIT 2
|
|
#define FIRST_FIT_UO 0x40
|
|
#define BEST_FIT_UO 0x41
|
|
#define LAST_FIT_UO 0x42
|
|
#define FIRST_FIT_U 0x80
|
|
#define BEST_FIT_U 0x81
|
|
#define LAST_FIT_U 0x82
|
|
|
|
#define MCB_NORMAL 0x4d
|
|
#define MCB_LAST 0x5a
|
|
|
|
#define DOS_PSP 0x0050 /* 0x0008 What? seg 8 =0:0080 */
|
|
#define FREE_PSP 0
|
|
|
|
#define MCB_SIZE(x) ((((LONG)(x))<<4)+sizeof(mcb))
|
|
|
|
typedef UWORD seg;
|
|
typedef UWORD offset;
|
|
|
|
typedef struct
|
|
{
|
|
BYTE m_type; /* mcb type - chain or end */
|
|
UWORD m_psp; /* owner id via psp segment */
|
|
UWORD m_size; /* size of segment in paragraphs */
|
|
BYTE m_fill[3];
|
|
BYTE m_name[8]; /* owner name limited to 8 bytes */
|
|
}
|
|
mcb;
|
|
|