| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ARM_MMU_H |
| 2 | #define __ARM_MMU_H | ||||
| 3 | |||||
| Russell King | 002547b | 2006-06-20 20:46:52 +0100 | [diff] [blame] | 4 | #ifdef CONFIG_MMU |
| 5 | |||||
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | typedef struct { |
| Russell King | 516793c | 2007-05-17 10:19:23 +0100 | [diff] [blame] | 7 | #ifdef CONFIG_CPU_HAS_ASID |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | unsigned int id; |
| Catalin Marinas | 11805bc | 2010-01-26 19:09:42 +0100 | [diff] [blame] | 9 | spinlock_t id_lock; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #endif |
| Russell King | ff0daca | 2006-06-29 20:17:15 +0100 | [diff] [blame] | 11 | unsigned int kvm_seq; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | } mm_context_t; |
| 13 | |||||
| Russell King | 516793c | 2007-05-17 10:19:23 +0100 | [diff] [blame] | 14 | #ifdef CONFIG_CPU_HAS_ASID |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #define ASID(mm) ((mm)->context.id & 255) |
| 16 | #else | ||||
| 17 | #define ASID(mm) (0) | ||||
| 18 | #endif | ||||
| 19 | |||||
| Russell King | 002547b | 2006-06-20 20:46:52 +0100 | [diff] [blame] | 20 | #else |
| 21 | |||||
| 22 | /* | ||||
| 23 | * From nommu.h: | ||||
| 24 | * Copyright (C) 2002, David McCullough <davidm@snapgear.com> | ||||
| 25 | * modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com> | ||||
| 26 | */ | ||||
| 27 | typedef struct { | ||||
| Russell King | 002547b | 2006-06-20 20:46:52 +0100 | [diff] [blame] | 28 | unsigned long end_brk; |
| 29 | } mm_context_t; | ||||
| 30 | |||||
| 31 | #endif | ||||
| 32 | |||||
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #endif |