diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-02 05:55:55 -0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-02 16:32:35 -0400 |
commit | 4baa9922430662431231ac637adedddbb0cfb2d7 (patch) | |
tree | e8fb765ce3e41c01f33de34a0bc9494f0ae19818 /arch/arm/include/asm/pgtable-nommu.h | |
parent | ff4db0a043a5dee7180bdffd178e61cd02812c68 (diff) |
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/pgtable-nommu.h')
-rw-r--r-- | arch/arm/include/asm/pgtable-nommu.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h new file mode 100644 index 000000000000..b011f2e939aa --- /dev/null +++ b/arch/arm/include/asm/pgtable-nommu.h | |||
@@ -0,0 +1,118 @@ | |||
1 | /* | ||
2 | * arch/arm/include/asm/pgtable-nommu.h | ||
3 | * | ||
4 | * Copyright (C) 1995-2002 Russell King | ||
5 | * Copyright (C) 2004 Hyok S. Choi | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | #ifndef _ASMARM_PGTABLE_NOMMU_H | ||
12 | #define _ASMARM_PGTABLE_NOMMU_H | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | |||
16 | #include <linux/slab.h> | ||
17 | #include <asm/processor.h> | ||
18 | #include <asm/page.h> | ||
19 | |||
20 | /* | ||
21 | * Trivial page table functions. | ||
22 | */ | ||
23 | #define pgd_present(pgd) (1) | ||
24 | #define pgd_none(pgd) (0) | ||
25 | #define pgd_bad(pgd) (0) | ||
26 | #define pgd_clear(pgdp) | ||
27 | #define kern_addr_valid(addr) (1) | ||
28 | #define pmd_offset(a, b) ((void *)0) | ||
29 | /* FIXME */ | ||
30 | /* | ||
31 | * PMD_SHIFT determines the size of the area a second-level page table can map | ||
32 | * PGDIR_SHIFT determines what a third-level page table entry can map | ||
33 | */ | ||
34 | #define PGDIR_SHIFT 21 | ||
35 | |||
36 | #define PGDIR_SIZE (1UL << PGDIR_SHIFT) | ||
37 | #define PGDIR_MASK (~(PGDIR_SIZE-1)) | ||
38 | /* FIXME */ | ||
39 | |||
40 | #define PAGE_NONE __pgprot(0) | ||
41 | #define PAGE_SHARED __pgprot(0) | ||
42 | #define PAGE_COPY __pgprot(0) | ||
43 | #define PAGE_READONLY __pgprot(0) | ||
44 | #define PAGE_KERNEL __pgprot(0) | ||
45 | |||
46 | #define swapper_pg_dir ((pgd_t *) 0) | ||
47 | |||
48 | #define __swp_type(x) (0) | ||
49 | #define __swp_offset(x) (0) | ||
50 | #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) | ||
51 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | ||
52 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
53 | |||
54 | |||
55 | typedef pte_t *pte_addr_t; | ||
56 | |||
57 | static inline int pte_file(pte_t pte) { return 0; } | ||
58 | |||
59 | /* | ||
60 | * ZERO_PAGE is a global shared page that is always zero: used | ||
61 | * for zero-mapped memory areas etc.. | ||
62 | */ | ||
63 | #define ZERO_PAGE(vaddr) (virt_to_page(0)) | ||
64 | |||
65 | /* | ||
66 | * Mark the prot value as uncacheable and unbufferable. | ||
67 | */ | ||
68 | #define pgprot_noncached(prot) __pgprot(0) | ||
69 | #define pgprot_writecombine(prot) __pgprot(0) | ||
70 | |||
71 | |||
72 | /* | ||
73 | * These would be in other places but having them here reduces the diffs. | ||
74 | */ | ||
75 | extern unsigned int kobjsize(const void *objp); | ||
76 | |||
77 | /* | ||
78 | * No page table caches to initialise. | ||
79 | */ | ||
80 | #define pgtable_cache_init() do { } while (0) | ||
81 | #define io_remap_page_range remap_page_range | ||
82 | #define io_remap_pfn_range remap_pfn_range | ||
83 | |||
84 | |||
85 | /* | ||
86 | * All 32bit addresses are effectively valid for vmalloc... | ||
87 | * Sort of meaningless for non-VM targets. | ||
88 | */ | ||
89 | #define VMALLOC_START 0 | ||
90 | #define VMALLOC_END 0xffffffff | ||
91 | |||
92 | #define FIRST_USER_ADDRESS (0) | ||
93 | |||
94 | #include <asm-generic/pgtable.h> | ||
95 | |||
96 | #else | ||
97 | |||
98 | /* | ||
99 | * dummy tlb and user structures. | ||
100 | */ | ||
101 | #define v3_tlb_fns (0) | ||
102 | #define v4_tlb_fns (0) | ||
103 | #define v4wb_tlb_fns (0) | ||
104 | #define v4wbi_tlb_fns (0) | ||
105 | #define v6wbi_tlb_fns (0) | ||
106 | #define v7wbi_tlb_fns (0) | ||
107 | |||
108 | #define v3_user_fns (0) | ||
109 | #define v4_user_fns (0) | ||
110 | #define v4_mc_user_fns (0) | ||
111 | #define v4wb_user_fns (0) | ||
112 | #define v4wt_user_fns (0) | ||
113 | #define v6_user_fns (0) | ||
114 | #define xscale_mc_user_fns (0) | ||
115 | |||
116 | #endif /*__ASSEMBLY__*/ | ||
117 | |||
118 | #endif /* _ASMARM_PGTABLE_H */ | ||