| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 2 | /* |
| 3 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation. |
| 8 | */ |
| 9 | |
| 10 | #ifndef __ASM_ARC_PAGE_H |
| 11 | #define __ASM_ARC_PAGE_H |
| 12 | |
| 13 | #include <linux/const.h> |
| 14 | |
| 15 | /* PAGE_SHIFT determines the page size */ |
| 16 | /* |
| 17 | * Default 8k |
| 18 | * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc |
| 19 | * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o |
| 20 | * using the correct uClibc header and in their build our autoconf.h is |
| 21 | * not available |
| 22 | */ |
| 23 | #define PAGE_SHIFT 13 |
| 24 | #define PAGE_SIZE	_BITUL(PAGE_SHIFT)	/* Default 8K */ |
| 25 | #define PAGE_MASK	(~(PAGE_SIZE-1)) |
| 26 | |
| 27 | #define PAGE_OFFSET	_AC(0x80000000, UL)	/* Kernel starts at 2G onwrds */ |
| 28 | |
| 29 | #endif /* __ASM_ARC_PAGE_H */ |