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-rw-r--r--arch/arm/include/asm/page-nommu.h49
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 */
32typedef unsigned long pte_t;
33typedef unsigned long pmd_t;
34typedef unsigned long pgd_t[2];
35typedef 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
46extern unsigned long memory_start;
47extern unsigned long memory_end;
48
49#endif