diff options
Diffstat (limited to 'arch/arm/include/asm/page-nommu.h')
-rw-r--r-- | arch/arm/include/asm/page-nommu.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/include/asm/page-nommu.h b/arch/arm/include/asm/page-nommu.h new file mode 100644 index 000000000000..3574c0deb37f --- /dev/null +++ b/arch/arm/include/asm/page-nommu.h | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * arch/arm/include/asm/page-nommu.h | ||
3 | * | ||
4 | * Copyright (C) 2004 Hyok S. Choi | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef _ASMARM_PAGE_NOMMU_H | ||
12 | #define _ASMARM_PAGE_NOMMU_H | ||
13 | |||
14 | #if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13 | ||
15 | #define KTHREAD_SIZE (8192) | ||
16 | #else | ||
17 | #define KTHREAD_SIZE PAGE_SIZE | ||
18 | #endif | ||
19 | |||
20 | #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) | ||
21 | #define free_user_page(page, addr) free_page(addr) | ||
22 | |||
23 | #define clear_page(page) memset((page), 0, PAGE_SIZE) | ||
24 | #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) | ||
25 | |||
26 | #define clear_user_page(page, vaddr, pg) clear_page(page) | ||
27 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | ||
28 | |||
29 | /* | ||
30 | * These are used to make use of C type-checking.. | ||
31 | */ | ||
32 | typedef unsigned long pte_t; | ||
33 | typedef unsigned long pmd_t; | ||
34 | typedef unsigned long pgd_t[2]; | ||
35 | typedef unsigned long pgprot_t; | ||
36 | |||
37 | #define pte_val(x) (x) | ||
38 | #define pmd_val(x) (x) | ||
39 | #define pgd_val(x) ((x)[0]) | ||
40 | #define pgprot_val(x) (x) | ||
41 | |||
42 | #define __pte(x) (x) | ||
43 | #define __pmd(x) (x) | ||
44 | #define __pgprot(x) (x) | ||
45 | |||
46 | extern unsigned long memory_start; | ||
47 | extern unsigned long memory_end; | ||
48 | |||
49 | #endif | ||