projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3be80aae VG |
1 | /* |
| 2 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef __ASM_ARC_PAGE_H | |
| 10 | #define __ASM_ARC_PAGE_H | |
| 11 | ||
| 12 | /* PAGE_SHIFT determines the page size */ | |
| 13 | #if defined(CONFIG_ARC_PAGE_SIZE_16K) | |
| 14 | #define PAGE_SHIFT 14 | |
| 15 | #elif defined(CONFIG_ARC_PAGE_SIZE_4K) | |
| 16 | #define PAGE_SHIFT 12 | |
| 17 | #else | |
| 18 | /* | |
| 19 | * Default 8k | |
| 20 | * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc | |
| 21 | * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o | |
| 22 | * using the correct uClibc header and in their build our autoconf.h is | |
| 23 | * not available | |
| 24 | */ | |
| 25 | #define PAGE_SHIFT 13 | |
| 26 | #endif | |
| 27 | ||
| 28 | #ifdef __ASSEMBLY__ | |
| 29 | #define PAGE_SIZE (1 << PAGE_SHIFT) | |
| 30 | #define PAGE_OFFSET (0x80000000) | |
| 31 | #else | |
| 32 | #define PAGE_SIZE (1UL << PAGE_SHIFT) /* Default 8K */ | |
| 33 | #define PAGE_OFFSET (0x80000000UL) /* Kernel starts at 2G onwards */ | |
| 34 | #endif | |
| 35 | ||
| 36 | #define PAGE_MASK (~(PAGE_SIZE-1)) | |
| 37 | ||
| 38 | #endif /* !__ASSEMBLY__ */ | |
| 39 | ||
| 40 | #endif /* __KERNEL__ */ | |
| 41 | ||
| 42 | #endif |