blob: 484953a86dc0776e0cdd02363719960cbc6d82d0 [file] [log] [blame]
Daniel Hellstromc2f02da2008-03-28 09:47:00 +01001/* page.h: Various defines and such for MMU operations on the Sparc for
2 * the Linux kernel.
3 *
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
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 as
9 * published by the Free Software Foundation; either version 2 of
10 * 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., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 *
22 */
23
24#ifndef _SPARC_PAGE_H
25#define _SPARC_PAGE_H
26
27#include <linux/config.h>
28#ifdef CONFIG_SUN4
29#define PAGE_SHIFT 13
30#else
31#define PAGE_SHIFT 12
32#endif
33
34#ifndef __ASSEMBLY__
35/* I have my suspicions... -DaveM */
36#define PAGE_SIZE (1UL << PAGE_SHIFT)
37#else
38#define PAGE_SIZE (1 << PAGE_SHIFT)
39#endif
40
41#define PAGE_MASK (~(PAGE_SIZE-1))
42
43#endif /* _SPARC_PAGE_H */