| Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 1 | /* 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 */ |