Return to real.h CVS log

Up to [GnuMach] / Gnu-Mach / i386 / pc

Annotation of Gnu-Mach/i386/pc/real.h, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * Copyright (c) 1995-1994 The University of Utah and
                      3:  * the Computer Systems Laboratory at the University of Utah (CSL).
                      4:  * All rights reserved.
                      5:  *
                      6:  * Permission to use, copy, modify and distribute this software is hereby
                      7:  * granted provided that (1) source code retains these copyright, permission,
                      8:  * and disclaimer notices, and (2) redistributions including binaries
                      9:  * reproduce the notices in supporting documentation, and (3) all advertising
                     10:  * materials mentioning features or use of this software display the following
                     11:  * acknowledgement: ``This product includes software developed by the
                     12:  * Computer Systems Laboratory at the University of Utah.''
                     13:  *
                     14:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
                     15:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
                     16:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     17:  *
                     18:  * CSL requests users of this software to return to [email protected] any
                     19:  * improvements that they make and grant CSL redistribution rights.
                     20:  *
                     21:  *      Author: Bryan Ford, University of Utah CSL
                     22:  */
                     23: #ifndef _I386_PC_REAL_CALL_H_
                     24: #define _I386_PC_REAL_CALL_H_
                     25: 
                     26: /* This structure happens to correspond to the DPMI real-call structure.  */
                     27: struct real_call_data
                     28: {
                     29:        unsigned edi;
                     30:        unsigned esi;
                     31:        unsigned ebp;
                     32:        unsigned reserved;
                     33:        unsigned ebx;
                     34:        unsigned edx;
                     35:        unsigned ecx;
                     36:        unsigned eax;
                     37:        unsigned short flags;
                     38:        unsigned short es;
                     39:        unsigned short ds;
                     40:        unsigned short fs;
                     41:        unsigned short gs;
                     42:        unsigned short ip;
                     43:        unsigned short cs;
                     44:        unsigned short sp;
                     45:        unsigned short ss;
                     46: };
                     47: 
                     48: /* Code segment we originally had when we started in real mode.  */
                     49: extern unsigned short real_cs;
                     50: 
                     51: extern void (*real_int)(int intnum, struct real_call_data *rcd);
                     52: extern void (*real_exit)(int rc);
                     53: 
                     54: #define real_call_data_init(rcd)       \
                     55:        ({ (rcd)->flags = 0;            \
                     56:           (rcd)->ss = 0;               \
                     57:           (rcd)->sp = 0;               \
                     58:        })
                     59: 
                     60: #endif /* _I386_PC_REAL_CALL_H_ */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.