Unix/Darwin/pagezero.c

/*
 *  pagezero.c - test to see if low memory globals can be accessed
 *
 *  Copyright (c) 2003 Michael Z. Sliczniak
 *
 *  Basilisk II (C) 1997-2003 Christian Bauer
 *
 *  This program 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 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

int
main(int argc, const char *argv[])
{
        volatile char *pagezero = (void *)0;

        pagezero[0x1234] = pagezero[0x123];

        return (0);
}
Revision:	1.1
Committed:	2003-10-12T22:39:59Z (20 years, 11 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
CVS Tags:	nigel-build-19, nigel-build-17, HEAD
Log Message:	Merge in __PAGEZERO hack from Michael Z. Sliczniak so that REAL_ADDRESSING mode can work under Darwin.
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* pagezero.c - test to see if low memory globals can be accessed
3			*
4			* Copyright (c) 2003 Michael Z. Sliczniak
5			*
6			* Basilisk II (C) 1997-2003 Christian Bauer
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation; either version 2 of the License, or
11			* (at your option) any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17			*
18			* You should have received a copy of the GNU General Public License
19			* along with this program; if not, write to the Free Software
20			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21			*/
22
23			int
24			main(int argc, const char *argv[])
25			{
26			volatile char pagezero = (void )0;
27
28			pagezero[0x1234] = pagezero[0x123];
29
30			return (0);
31			}