1 #ifndef __ASM_MIPS_MM_H
2 #define __ASM_MIPS_MM_H
3
4 #if defined (__KERNEL__)
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9
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14
15
16 #define PAGE_PRESENT (1<<0)
17 #define PAGE_COW (1<<1)
18 #define PAGE_DIRTY (1<<2)
19 #define PAGE_USER (1<<3)
20 #define PAGE_UNUSED1 (1<<4)
21 #define PAGE_UNUSED2 (1<<5)
22 #define PAGE_GLOBAL (1<<6)
23 #define PAGE_ACCESSED (1<<7)
24 #define PAGE_RW (1<<8)
25 #define CACHE_CACHABLE_NO_WA (0<<9)
26 #define CACHE_CACHABLE_WA (1<<9)
27 #define CACHE_UNCACHED (2<<9)
28 #define CACHE_CACHABLE_NONCOHERENT (3<<9)
29 #define CACHE_CACHABLE_CE (4<<9)
30 #define CACHE_CACHABLE_COW (5<<9)
31 #define CACHE_CACHABLE_CUW (6<<9)
32 #define CACHE_MASK (7<<9)
33
34 #define PAGE_PRIVATE (PAGE_PRESENT | PAGE_ACCESSED | PAGE_DIRTY | PAGE_RW | \
35 PAGE_COW | CACHE_CACHABLE_NO_WA)
36 #define PAGE_SHARED (PAGE_PRESENT | PAGE_ACCESSED | PAGE_DIRTY | PAGE_RW | \
37 CACHE_CACHABLE_NO_WA)
38 #define PAGE_COPY (PAGE_PRESENT | PAGE_ACCESSED | PAGE_COW | \
39 CACHE_CACHABLE_NO_WA)
40 #define PAGE_READONLY (PAGE_PRESENT | PAGE_ACCESSED | CACHE_CACHABLE_NO_WA)
41 #define PAGE_TABLE (PAGE_PRESENT | PAGE_ACCESSED | PAGE_DIRTY | PAGE_RW | \
42 CACHE_CACHABLE_NO_WA)
43
44 #ifndef __ASSEMBLY__
45
46 #include <asm/system.h>
47
48 extern unsigned long invalid_pg_table[1024];
49
50
51
52
53 extern void mem_init(unsigned long start_mem, unsigned long end_mem);
54 #endif
55
56 #endif
57
58 #endif